From ea48a53fe407f3162fbe9b37046459b265b69d4b Mon Sep 17 00:00:00 2001 From: Adam Dickmeiss Date: Mon, 3 Jul 2006 21:21:04 +0000 Subject: [PATCH] Record filter files moved to index directory --- recctrl/Makefile.am | 64 -- recctrl/alvis.c | 769 ------------------- recctrl/inline.c | 133 ---- recctrl/inline.h | 45 -- recctrl/marcomp.c | 413 ----------- recctrl/marcomp.h | 117 --- recctrl/marcread.c | 899 ----------------------- recctrl/recctrl.c | 284 -------- recctrl/recgrs.c | 1450 ------------------------------------ recctrl/rectext.c | 265 ------- recctrl/regxread.c | 2028 --------------------------------------------------- recctrl/safari.c | 279 ------- recctrl/sgmlread.c | 145 ---- recctrl/xmlread.c | 549 -------------- 14 files changed, 7440 deletions(-) delete mode 100644 recctrl/Makefile.am delete mode 100644 recctrl/alvis.c delete mode 100644 recctrl/inline.c delete mode 100644 recctrl/inline.h delete mode 100644 recctrl/marcomp.c delete mode 100644 recctrl/marcomp.h delete mode 100644 recctrl/marcread.c delete mode 100644 recctrl/recctrl.c delete mode 100644 recctrl/recgrs.c delete mode 100644 recctrl/rectext.c delete mode 100644 recctrl/regxread.c delete mode 100644 recctrl/safari.c delete mode 100644 recctrl/sgmlread.c delete mode 100644 recctrl/xmlread.c diff --git a/recctrl/Makefile.am b/recctrl/Makefile.am deleted file mode 100644 index 4a76272..0000000 --- a/recctrl/Makefile.am +++ /dev/null @@ -1,64 +0,0 @@ -## $Id: Makefile.am,v 1.26 2006-06-29 13:48:04 adam Exp $ - -modlibdir=$(libdir)/$(PACKAGE)$(PACKAGE_SUFFIX)/modules - -common_libs = libidzebra-recctrl.la \ - ../data1/libidzebra-data1.la \ - ../dfa/libidzebra-dfa.la \ - ../util/libidzebra-util.la \ - $(YAZLALIB) - -# The shared modules -mod_grs_regx_la_SOURCES = regxread.c -mod_grs_regx_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version -mod_grs_regx_la_LADD = $(TCL_LIB) -mod_grs_regx_la_LIBADD = $(common_libs) $(mod_grs_regx_la_LADD) - -mod_grs_xml_la_SOURCES = xmlread.c -mod_grs_xml_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version -mod_grs_xml_la_LADD = $(EXPAT_LIBS) -mod_grs_xml_la_LIBADD = $(common_libs) $(mod_grs_xml_la_LADD) - -mod_grs_marc_la_SOURCES = marcread.c marcomp.c marcomp.h inline.c inline.h -mod_grs_marc_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version -mod_grs_marc_la_LADD = -mod_grs_marc_la_LIBADD = $(common_libs) $(mod_grs_marc_la_LADD) - -mod_safari_la_SOURCES = safari.c -mod_safari_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version -mod_safari_la_LADD = -mod_safari_la_LIBADD = $(common_libs) $(mod_safari_la_LADD) - -mod_alvis_la_SOURCES = alvis.c -mod_alvis_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version -mod_alvis_la_LADD = $(XSLT_LIBS) -mod_alvis_la_LIBADD = $(common_libs) $(mod_alvis_la_LADD) - -modlib_LTLIBRARIES = $(SHARED_MODULE_LA) -EXTRA_LTLIBRARIES = \ - mod-grs-regx.la \ - mod-grs-xml.la \ - mod-grs-marc.la \ - mod-safari.la \ - mod-alvis.la - -# The common library -lib_LTLIBRARIES = libidzebra-recctrl.la -libidzebra_recctrl_la_SOURCES = recctrl.c recgrs.c sgmlread.c rectext.c -libidzebra_recctrl_la_LDFLAGS = -export-dynamic -version-info $(ZEBRALIBS_VERSION) -libidzebra_recctrl_la_LIBADD = $(STATIC_MODULE_OBJ) \ - ../data1/libidzebra-data1.la \ - ../dfa/libidzebra-dfa.la \ - ../util/libidzebra-util.la \ - $(STATIC_MODULE_LADD) - -libidzebra_recctrl_la_DEPENDENCIES = $(STATIC_MODULE_OBJ) - -EXTRA_libidzebra_recctrl_la_SOURCES = \ - $(mod_grs_regx_la_SOURCES) \ - $(mod_grs_xml_la_SOURCES) \ - $(mod_grs_marc_la_SOURCES) \ - $(mod_safari_la_SOURCES) \ - $(mod_alvis_la_SOURCES) - -AM_CPPFLAGS = -I$(srcdir)/../include $(YAZINC) $(XSLT_CFLAGS) $(TCL_INCLUDE) diff --git a/recctrl/alvis.c b/recctrl/alvis.c deleted file mode 100644 index 194ae19..0000000 --- a/recctrl/alvis.c +++ /dev/null @@ -1,769 +0,0 @@ -/* $Id: alvis.c,v 1.17 2006-05-31 16:11:58 marc Exp $ - Copyright (C) 1995-2005 - Index Data ApS - -This file is part of the Zebra server. - -Zebra is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -Zebra is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with Zebra; see the file LICENSE.zebra. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. -*/ - -#include -#include -#include - -#include -#include - -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -struct filter_schema { - const char *name; - const char *identifier; - const char *stylesheet; - struct filter_schema *next; - const char *default_schema; - /* char default_schema; */ - const char *include_snippet; - xsltStylesheetPtr stylesheet_xsp; -}; - -struct filter_info { - xmlDocPtr doc; - char *fname; - char *full_name; - const char *profile_path; - const char *split_level; - const char *split_path; - ODR odr; - struct filter_schema *schemas; - xmlTextReaderPtr reader; -}; - -#define ZEBRA_SCHEMA_XSLT_NS "http://indexdata.dk/zebra/xslt/1" - -#define XML_STRCMP(a,b) strcmp((char*)a, b) -#define XML_STRLEN(a) strlen((char*)a) - -static const char *zebra_xslt_ns = ZEBRA_SCHEMA_XSLT_NS; - -static void set_param_xml(const char **params, const char *name, - const char *value, ODR odr) -{ - while (*params) - params++; - params[0] = name; - params[1] = value; - params[2] = 0; -} - -static void set_param_str(const char **params, const char *name, - const char *value, ODR odr) -{ - char *quoted = odr_malloc(odr, 3 + strlen(value)); - sprintf(quoted, "'%s'", value); - while (*params) - params++; - params[0] = name; - params[1] = quoted; - params[2] = 0; -} - -static void set_param_int(const char **params, const char *name, - zint value, ODR odr) -{ - char *quoted = odr_malloc(odr, 30); /* 25 digits enough for 2^64 */ - while (*params) - params++; - sprintf(quoted, "'" ZINT_FORMAT "'", value); - params[0] = name; - params[1] = quoted; - params[2] = 0; -} - -#define ENABLE_INPUT_CALLBACK 0 - -#if ENABLE_INPUT_CALLBACK -static int zebra_xmlInputMatchCallback (char const *filename) -{ - yaz_log(YLOG_LOG, "match %s", filename); - return 0; -} - -static void * zebra_xmlInputOpenCallback (char const *filename) -{ - return 0; -} - -static int zebra_xmlInputReadCallback (void * context, char * buffer, int len) -{ - return 0; -} - -static int zebra_xmlInputCloseCallback (void * context) -{ - return 0; -} -#endif - -static void *filter_init(Res res, RecType recType) -{ - struct filter_info *tinfo = (struct filter_info *) xmalloc(sizeof(*tinfo)); - tinfo->reader = 0; - tinfo->fname = 0; - tinfo->full_name = 0; - tinfo->profile_path = 0; - tinfo->split_level = 0; - tinfo->split_path = 0; - tinfo->odr = odr_createmem(ODR_ENCODE); - tinfo->doc = 0; - tinfo->schemas = 0; - -#if ENABLE_INPUT_CALLBACK - xmlRegisterDefaultInputCallbacks(); - xmlRegisterInputCallbacks(zebra_xmlInputMatchCallback, - zebra_xmlInputOpenCallback, - zebra_xmlInputReadCallback, - zebra_xmlInputCloseCallback); -#endif - return tinfo; -} - -static int attr_content(struct _xmlAttr *attr, const char *name, - const char **dst_content) -{ - if (!XML_STRCMP(attr->name, name) && attr->children && - attr->children->type == XML_TEXT_NODE) - { - *dst_content = (const char *)(attr->children->content); - return 1; - } - return 0; -} - -static void destroy_schemas(struct filter_info *tinfo) -{ - struct filter_schema *schema = tinfo->schemas; - while (schema) - { - struct filter_schema *schema_next = schema->next; - if (schema->stylesheet_xsp) - xsltFreeStylesheet(schema->stylesheet_xsp); - xfree(schema); - schema = schema_next; - } - tinfo->schemas = 0; - xfree(tinfo->fname); - if (tinfo->doc) - xmlFreeDoc(tinfo->doc); - tinfo->doc = 0; -} - -static ZEBRA_RES create_schemas(struct filter_info *tinfo, const char *fname) -{ - char tmp_full_name[1024]; - xmlNodePtr ptr; - tinfo->fname = xstrdup(fname); - - if (yaz_filepath_resolve(tinfo->fname, tinfo->profile_path, - NULL, tmp_full_name)) - tinfo->full_name = xstrdup(tmp_full_name); - else - tinfo->full_name = xstrdup(tinfo->fname); - - yaz_log(YLOG_LOG, "alvis filter: loading config file %s", tinfo->full_name); - - tinfo->doc = xmlParseFile(tinfo->full_name); - - if (!tinfo->doc){ - yaz_log(YLOG_WARN, "alvis filter: could not parse config file %s", - tinfo->full_name); - - return ZEBRA_FAIL; - } - - ptr = xmlDocGetRootElement(tinfo->doc); - if (!ptr || ptr->type != XML_ELEMENT_NODE || - XML_STRCMP(ptr->name, "schemaInfo")){ - yaz_log(YLOG_WARN, - "alvis filter: config file %s :" - " expected root element ", - tinfo->full_name); - return ZEBRA_FAIL; - } - - for (ptr = ptr->children; ptr; ptr = ptr->next) - { - if (ptr->type != XML_ELEMENT_NODE) - continue; - if (!XML_STRCMP(ptr->name, "schema")) - { - char tmp_xslt_full_name[1024]; - struct _xmlAttr *attr; - struct filter_schema *schema = xmalloc(sizeof(*schema)); - schema->name = 0; - schema->identifier = 0; - schema->stylesheet = 0; - schema->default_schema = 0; - schema->next = tinfo->schemas; - schema->stylesheet_xsp = 0; - schema->include_snippet = 0; - tinfo->schemas = schema; - for (attr = ptr->properties; attr; attr = attr->next) - { - attr_content(attr, "identifier", &schema->identifier); - attr_content(attr, "name", &schema->name); - attr_content(attr, "stylesheet", &schema->stylesheet); - attr_content(attr, "default", &schema->default_schema); - attr_content(attr, "snippet", &schema->include_snippet); - } - /*yaz_log(YLOG_LOG, "XSLT add %s %s %s", - schema->name, schema->identifier, schema->stylesheet); */ - - /* find requested schema */ - - if (schema->stylesheet){ - yaz_filepath_resolve(schema->stylesheet, tinfo->profile_path, - NULL, tmp_xslt_full_name); - schema->stylesheet_xsp - = xsltParseStylesheetFile((const xmlChar*) tmp_xslt_full_name); - if (!schema->stylesheet_xsp) - yaz_log(YLOG_WARN, - "alvis filter: could not parse xslt stylesheet %s", - tmp_xslt_full_name); - } - - - } - else if (!XML_STRCMP(ptr->name, "split")) - { - struct _xmlAttr *attr; - for (attr = ptr->properties; attr; attr = attr->next) - { - attr_content(attr, "level", &tinfo->split_level); - attr_content(attr, "path", &tinfo->split_path); - } - } - else - { - yaz_log(YLOG_WARN, "Bad element %s in %s", ptr->name, fname); - return ZEBRA_FAIL; - } - } - return ZEBRA_OK; -} - -static struct filter_schema *lookup_schema(struct filter_info *tinfo, - const char *est) -{ - struct filter_schema *schema; - - for (schema = tinfo->schemas; schema; schema = schema->next) - { - /* find requested schema */ - if (est) - { - if (schema->identifier && !strcmp(schema->identifier, est)) - return schema; - - if (schema->name && !strcmp(schema->name, est)) - return schema; - } - /* or return default schema if defined */ - else if (schema->default_schema) - return schema; - } - - /* return first schema if no default schema defined */ - if (tinfo->schemas) - return tinfo->schemas; - - return 0; -} - -static ZEBRA_RES filter_config(void *clientData, Res res, const char *args) -{ - struct filter_info *tinfo = clientData; - if (!args || !*args){ - yaz_log(YLOG_WARN, "alvis filter: need config file"); - return ZEBRA_FAIL; - } - - if (tinfo->fname && !strcmp(args, tinfo->fname)) - return ZEBRA_OK; - - tinfo->profile_path - /* = res_get_def(res, "profilePath", DEFAULT_PROFILE_PATH); */ - = res_get(res, "profilePath"); - yaz_log(YLOG_LOG, "alvis filter: profilePath %s", tinfo->profile_path); - - destroy_schemas(tinfo); - create_schemas(tinfo, args); - return ZEBRA_OK; -} - -static void filter_destroy(void *clientData) -{ - struct filter_info *tinfo = clientData; - destroy_schemas(tinfo); - if (tinfo->reader) - xmlFreeTextReader(tinfo->reader); - odr_destroy(tinfo->odr); - xfree(tinfo); -} - -static int ioread_ex(void *context, char *buffer, int len) -{ - struct recExtractCtrl *p = context; - return (*p->readf)(p->fh, buffer, len); -} - -static int ioclose_ex(void *context) -{ - return 0; -} - -static void index_cdata(struct filter_info *tinfo, struct recExtractCtrl *ctrl, - xmlNodePtr ptr, RecWord *recWord) -{ - for(; ptr; ptr = ptr->next) - { - index_cdata(tinfo, ctrl, ptr->children, recWord); - if (ptr->type != XML_TEXT_NODE) - continue; - recWord->term_buf = (const char *)ptr->content; - recWord->term_len = XML_STRLEN(ptr->content); - (*ctrl->tokenAdd)(recWord); - } -} - -static void index_node(struct filter_info *tinfo, struct recExtractCtrl *ctrl, - xmlNodePtr ptr, RecWord *recWord) -{ - for(; ptr; ptr = ptr->next) - { - index_node(tinfo, ctrl, ptr->children, recWord); - if (ptr->type != XML_ELEMENT_NODE || !ptr->ns || - XML_STRCMP(ptr->ns->href, zebra_xslt_ns)) - continue; - if (!XML_STRCMP(ptr->name, "index")) - { - const char *name_str = 0; - const char *type_str = 0; - const char *xpath_str = 0; - struct _xmlAttr *attr; - for (attr = ptr->properties; attr; attr = attr->next) - { - attr_content(attr, "name", &name_str); - attr_content(attr, "xpath", &xpath_str); - attr_content(attr, "type", &type_str); - } - if (name_str) - { - int prev_type = recWord->index_type; /* save default type */ - - if (type_str && *type_str) - recWord->index_type = *type_str; /* type was given */ - recWord->index_name = name_str; - index_cdata(tinfo, ctrl, ptr->children, recWord); - - recWord->index_type = prev_type; /* restore it again */ - } - } - } -} - -static void index_record(struct filter_info *tinfo,struct recExtractCtrl *ctrl, - xmlNodePtr ptr, RecWord *recWord) -{ - const char *type_str = "update"; - - if (ptr && ptr->type == XML_ELEMENT_NODE && ptr->ns && - !XML_STRCMP(ptr->ns->href, zebra_xslt_ns) - && !XML_STRCMP(ptr->name, "record")) - { - const char *id_str = 0; - const char *rank_str = 0; - struct _xmlAttr *attr; - for (attr = ptr->properties; attr; attr = attr->next) - { - attr_content(attr, "type", &type_str); - attr_content(attr, "id", &id_str); - attr_content(attr, "rank", &rank_str); - } - if (id_str) - sscanf(id_str, "%255s", ctrl->match_criteria); - - if (rank_str) - ctrl->staticrank = atoi(rank_str); - - ptr = ptr->children; - } - - if (!strcmp("update", type_str)) - index_node(tinfo, ctrl, ptr, recWord); - else if (!strcmp("delete", type_str)) - yaz_log(YLOG_WARN, "alvis filter delete: to be implemented"); - else - yaz_log(YLOG_WARN, "alvis filter: unknown record type '%s'", - type_str); -} - -static int extract_doc(struct filter_info *tinfo, struct recExtractCtrl *p, - xmlDocPtr doc) -{ - RecWord recWord; - const char *params[10]; - xmlChar *buf_out; - int len_out; - - struct filter_schema *schema = lookup_schema(tinfo, zebra_xslt_ns); - - params[0] = 0; - set_param_str(params, "schema", zebra_xslt_ns, tinfo->odr); - - (*p->init)(p, &recWord); - - if (schema && schema->stylesheet_xsp) - { - xmlNodePtr root_ptr; - xmlDocPtr resDoc = - xsltApplyStylesheet(schema->stylesheet_xsp, - doc, params); - if (p->flagShowRecords) - { - xmlDocDumpMemory(resDoc, &buf_out, &len_out); - fwrite(buf_out, len_out, 1, stdout); - xmlFree(buf_out); - } - root_ptr = xmlDocGetRootElement(resDoc); - if (root_ptr) - index_record(tinfo, p, root_ptr, &recWord); - else - { - yaz_log(YLOG_WARN, "No root for index XML record." - " split_level=%s stylesheet=%s", - tinfo->split_level, schema->stylesheet); - } - xmlFreeDoc(resDoc); - } - xmlDocDumpMemory(doc, &buf_out, &len_out); - if (p->flagShowRecords) - fwrite(buf_out, len_out, 1, stdout); - (*p->setStoreData)(p, buf_out, len_out); - xmlFree(buf_out); - - xmlFreeDoc(doc); - return RECCTRL_EXTRACT_OK; -} - -static int extract_split(struct filter_info *tinfo, struct recExtractCtrl *p) -{ - int ret; - int split_depth = 0; - if (p->first_record) - { - if (tinfo->reader) - xmlFreeTextReader(tinfo->reader); - tinfo->reader = xmlReaderForIO(ioread_ex, ioclose_ex, - p /* I/O handler */, - 0 /* URL */, - 0 /* encoding */, - XML_PARSE_XINCLUDE); - } - if (!tinfo->reader) - return RECCTRL_EXTRACT_ERROR_GENERIC; - - if (tinfo->split_level) - split_depth = atoi(tinfo->split_level); - ret = xmlTextReaderRead(tinfo->reader); - while (ret == 1) { - int type = xmlTextReaderNodeType(tinfo->reader); - int depth = xmlTextReaderDepth(tinfo->reader); - if (split_depth == 0 || - (split_depth > 0 && - type == XML_READER_TYPE_ELEMENT && split_depth == depth)) - { - xmlNodePtr ptr = xmlTextReaderExpand(tinfo->reader); - xmlNodePtr ptr2 = xmlCopyNode(ptr, 1); - xmlDocPtr doc = xmlNewDoc((const xmlChar*) "1.0"); - - xmlDocSetRootElement(doc, ptr2); - - return extract_doc(tinfo, p, doc); - } - ret = xmlTextReaderRead(tinfo->reader); - } - xmlFreeTextReader(tinfo->reader); - tinfo->reader = 0; - return RECCTRL_EXTRACT_EOF; -} - -static int extract_full(struct filter_info *tinfo, struct recExtractCtrl *p) -{ - if (p->first_record) /* only one record per stream */ - { - xmlDocPtr doc = xmlReadIO(ioread_ex, ioclose_ex, p /* I/O handler */, - 0 /* URL */, - 0 /* encoding */, - XML_PARSE_XINCLUDE); - if (!doc) - { - return RECCTRL_EXTRACT_ERROR_GENERIC; - } - return extract_doc(tinfo, p, doc); - } - else - return RECCTRL_EXTRACT_EOF; -} - -static int filter_extract(void *clientData, struct recExtractCtrl *p) -{ - struct filter_info *tinfo = clientData; - - odr_reset(tinfo->odr); - - if (tinfo->split_level == 0 && tinfo->split_path == 0) - return extract_full(tinfo, p); - else - { - return extract_split(tinfo, p); - } -} - -static int ioread_ret(void *context, char *buffer, int len) -{ - struct recRetrieveCtrl *p = context; - return (*p->readf)(p->fh, buffer, len); -} - -static int ioclose_ret(void *context) -{ - return 0; -} - - -static const char *snippet_doc(struct recRetrieveCtrl *p, int text_mode, - int window_size) -{ - const char *xml_doc_str; - int ord = 0; - WRBUF wrbuf = wrbuf_alloc(); - zebra_snippets *res = - zebra_snippets_window(p->doc_snippet, p->hit_snippet, window_size); - zebra_snippet_word *w = zebra_snippets_list(res); - - if (text_mode) - wrbuf_printf(wrbuf, "\'"); - else - wrbuf_printf(wrbuf, "\n", zebra_xslt_ns); - for (; w; w = w->next) - { - if (ord == 0) - ord = w->ord; - else if (ord != w->ord) - - break; - if (text_mode) - wrbuf_printf(wrbuf, "%s%s%s ", - w->match ? "*" : "", - w->term, - w->match ? "*" : ""); - else - { - wrbuf_printf(wrbuf, " ", - w->ord, w->seqno, - (w->match ? "match='1'" : "")); - wrbuf_xmlputs(wrbuf, w->term); - wrbuf_printf(wrbuf, "\n"); - } - } - if (text_mode) - wrbuf_printf(wrbuf, "\'"); - else - wrbuf_printf(wrbuf, "\n"); - - xml_doc_str = odr_strdup(p->odr, wrbuf_buf(wrbuf)); - - zebra_snippets_destroy(res); - wrbuf_free(wrbuf, 1); - return xml_doc_str; -} - -static int filter_retrieve (void *clientData, struct recRetrieveCtrl *p) -{ - /* const char *esn = zebra_xslt_ns; */ - const char *esn = 0; - const char *params[32]; - struct filter_info *tinfo = clientData; - xmlDocPtr resDoc; - xmlDocPtr doc; - struct filter_schema *schema; - int window_size = -1; - - if (p->comp) - { - if (p->comp->which == Z_RecordComp_simple - && p->comp->u.simple->which == Z_ElementSetNames_generic) - { - esn = p->comp->u.simple->u.generic; - } - else if (p->comp->which == Z_RecordComp_complex - && p->comp->u.complex->generic->elementSpec - && p->comp->u.complex->generic->elementSpec->which == - Z_ElementSpec_elementSetName) - { - esn = p->comp->u.complex->generic->elementSpec->u.elementSetName; - } - } - schema = lookup_schema(tinfo, esn); - if (!schema) - { - p->diagnostic = - YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_; - return 0; - } - - if (schema->include_snippet) - window_size = atoi(schema->include_snippet); - - params[0] = 0; - set_param_int(params, "id", p->localno, p->odr); - if (p->fname) - set_param_str(params, "filename", p->fname, p->odr); - if (p->staticrank >= 0) - set_param_int(params, "rank", p->staticrank, p->odr); - - if (esn) - set_param_str(params, "schema", esn, p->odr); - else - if (schema->name) - set_param_str(params, "schema", schema->name, p->odr); - else if (schema->identifier) - set_param_str(params, "schema", schema->identifier, p->odr); - else - set_param_str(params, "schema", "", p->odr); - - if (p->score >= 0) - set_param_int(params, "score", p->score, p->odr); - set_param_int(params, "size", p->recordSize, p->odr); - - if (window_size >= 0) - set_param_xml(params, "snippet", snippet_doc(p, 1, window_size), - p->odr); - doc = xmlReadIO(ioread_ret, ioclose_ret, p /* I/O handler */, - 0 /* URL */, - 0 /* encoding */, - XML_PARSE_XINCLUDE); - if (!doc) - { - p->diagnostic = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; - return 0; - } - - if (window_size >= 0) - { - xmlNodePtr node = xmlDocGetRootElement(doc); - const char *snippet_str = snippet_doc(p, 0, window_size); - xmlDocPtr snippet_doc = xmlParseMemory(snippet_str, strlen(snippet_str)); - xmlAddChild(node, xmlDocGetRootElement(snippet_doc)); - } - if (!schema->stylesheet_xsp) - resDoc = doc; - else - { - resDoc = xsltApplyStylesheet(schema->stylesheet_xsp, - doc, params); - xmlFreeDoc(doc); - } - if (!resDoc) - { - p->diagnostic = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; - } - else if (p->input_format == VAL_NONE || p->input_format == VAL_TEXT_XML) - { - xmlChar *buf_out; - int len_out; - - xsltSaveResultToString(&buf_out, &len_out, resDoc, - schema->stylesheet_xsp); - - p->output_format = VAL_TEXT_XML; - p->rec_len = len_out; - p->rec_buf = odr_malloc(p->odr, p->rec_len); - memcpy(p->rec_buf, buf_out, p->rec_len); - xmlFree(buf_out); - } - else if (p->output_format == VAL_SUTRS) - { - xmlChar *buf_out; - int len_out; - - xsltSaveResultToString(&buf_out, &len_out, resDoc, - schema->stylesheet_xsp); - - p->output_format = VAL_SUTRS; - p->rec_len = len_out; - p->rec_buf = odr_malloc(p->odr, p->rec_len); - memcpy(p->rec_buf, buf_out, p->rec_len); - - xmlFree(buf_out); - } - else - { - p->diagnostic = YAZ_BIB1_RECORD_SYNTAX_UNSUPP; - } - xmlFreeDoc(resDoc); - return 0; -} - -static struct recType filter_type = { - 0, - "alvis", - filter_init, - filter_config, - filter_destroy, - filter_extract, - filter_retrieve -}; - -RecType -#ifdef IDZEBRA_STATIC_ALVIS -idzebra_filter_alvis -#else -idzebra_filter -#endif - -[] = { - &filter_type, - 0, -}; -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/inline.c b/recctrl/inline.c deleted file mode 100644 index 30c04d9..0000000 --- a/recctrl/inline.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - $Id: inline.c,v 1.6 2006-05-10 08:13:28 adam Exp $ -*/ -#include -#include -#include -#include -#include "inline.h" - -static void inline_destroy_subfield_recursive(inline_subfield *p); - -inline_field *inline_mk_field(void) -{ - inline_field *p = (inline_field *) xmalloc(sizeof(*p)); - - if (p) - { - memset(p, 0, sizeof(*p)); - p->name = (char *) xmalloc(SZ_FNAME+1); - *(p->name) = '\0'; - p->ind1 = (char *) xmalloc(SZ_IND+1); - *(p->ind1) = '\0'; - p->ind2 = (char *) xmalloc(SZ_IND+1); - *(p->ind2) = '\0'; - } - return p; -} -void inline_destroy_field(inline_field *p) -{ - if (p) - { - if (p->name) xfree(p->name); - if (p->ind1) xfree(p->ind1); - if (p->ind2) xfree(p->ind2); - if (p->list) - inline_destroy_subfield_recursive(p->list); - xfree(p); - } -} -static inline_subfield *inline_mk_subfield(inline_subfield *parent) -{ - inline_subfield *p = (inline_subfield *)xmalloc(sizeof(*p)); - - if (p) - { - memset(p, 0, sizeof(*p)); - p->name = (char *) xmalloc(SZ_SFNAME+1); - *(p->name) = '\0'; - p->parent = parent; - } - return p; -} - -#if 0 -static void inline_destroy_subfield(inline_subfield *p) -{ - if (p) - { - if (p->name) xfree(p->name); - if (p->data) xfree(p->data); - if (p->parent) p->parent->next = p->next; - xfree(p); - } -} -#endif - -static void inline_destroy_subfield_recursive(inline_subfield *p) -{ - if (p) - { - inline_destroy_subfield_recursive(p->next); - if (p->name) xfree(p->name); - if (p->data) xfree(p->data); - if (p->parent) - p->parent->next = 0; - xfree(p); - } -} -int inline_parse(inline_field *pif, const char *tag, const char *s) -{ - inline_field *pf = pif; - char *p = (char *)s; - - if (!pf) - return -1; - - if (pf->name[0] == '\0') - { - if ((sscanf(p, "%3s", pf->name)) != 1) - return -2; - - p += SZ_FNAME; - - if (!memcmp(pf->name, "00", 2)) - { - pf->list = inline_mk_subfield(0); - pf->list->data = xstrdup(p); - } - else - { - if ((sscanf(p, "%c%c", pf->ind1, pf->ind2)) != 2) - return -3; - } - } - else - { - inline_subfield *psf = inline_mk_subfield(0); - - sscanf(tag, "%1s", psf->name); - psf->data = xstrdup(p); - - if (!pf->list) - { - pf->list = psf; - } - else - { - inline_subfield *last = pf->list; - while (last->next) - last = last->next; - last->next = psf; - } - } - return 0; -} -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/inline.h b/recctrl/inline.h deleted file mode 100644 index a9ea93e..0000000 --- a/recctrl/inline.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - $Id: inline.h,v 1.4 2006-05-10 08:13:28 adam Exp $ -*/ -#ifndef INLINE_H -#define INLINE_H - -#include "marcomp.h" - -#ifdef __cplusplus -extern "C" { -#endif - - -typedef struct inline_field -{ - char *name; - char *ind1; - char *ind2; - struct inline_subfield *list; -} inline_field; -typedef struct inline_subfield -{ - char *name; - char *data; - struct inline_subfield *next; - struct inline_subfield *parent; -} inline_subfield; - -inline_field *inline_mk_field(void); -int inline_parse(inline_field *pf, const char *tag, const char *s); -void inline_destroy_field(inline_field *p); - -#ifdef __cplusplus -} -#endif - -#endif -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/marcomp.c b/recctrl/marcomp.c deleted file mode 100644 index 276bfdc..0000000 --- a/recctrl/marcomp.c +++ /dev/null @@ -1,413 +0,0 @@ -/* - $Id: marcomp.c,v 1.6 2006-05-10 08:13:28 adam Exp $ - - marcomp.c - compiler of MARC statements. -*/ - -#include -#include -#include -#include - -#include - -#include "marcomp.h" - -static mc_token mc_gettoken(mc_context *c); -static void mc_ungettoken(mc_context *c); -static int mc_getval(mc_context *c); -static int mc_getdata(mc_context *c, char *s, int sz); -static void mc_getinterval(mc_context *c, int *start, int *end); - -static mc_subfield *mc_mk_subfield(mc_subfield *parent); -static mc_field *mc_mk_field(void); - -static struct mc_errmsg -{ - mc_errcode code; - const char *msg; -} mc_errmsg[] = { -{EMCOK, "OK"}, -{EMCNOMEM, "NO mem"}, -{EMCF, "not complete field"}, -{EMCSF, "not complete subfield"}, -{EMCSFGROUP, "not closed GROUP"}, -{EMCSFVAR, "not closed VARIANT"}, -{EMCSFINLINE, "not closed IN-LINE"}, -{EMCEND, "not correct errno"} -}; -mc_errcode mc_errno(mc_context *c) -{ - return c->errcode; -} -const char *mc_error(mc_errcode no) -{ - if (no >= EMCOK && noerrcode = EMCOK; - p->data = s; - p->len = strlen(s); - p->crrtok = NOP; - } - - return p; -} -void mc_destroy_context(mc_context *c) -{ - if (c) xfree(c); -} -mc_token mc_gettoken(mc_context *c) -{ - if (c->offset >= c->len) - return NOP; - - switch (*(c->data+c->offset)) - { - case '{': c->crrtok = LVARIANT; break; - case '}': c->crrtok = RVARIANT; break; - case '(': c->crrtok = LGROUP; break; - case ')': c->crrtok = RGROUP; break; - case '<': c->crrtok = LINLINE; break; - case '>': c->crrtok = RINLINE; break; - case '$': c->crrtok = SUBFIELD; break; - case '[': c->crrtok = LINTERVAL; break; - case ']': c->crrtok = RINTERVAL; break; - default: - if (isspace(*(unsigned char *) (c->data+c->offset)) - || *(c->data+c->offset) == '\n') - { - c->crrtok = NOP; - } - else - { - c->crrtok = REGULAR; - c->crrval = *(c->data+c->offset); - } - } -#ifdef DEBUG - fprintf(stderr, "gettoken(): offset: %d", c->offset); - if (c->crrtok == REGULAR) - fprintf(stderr, "<%c>", c->crrval); - fprintf(stderr, "\n"); -#endif - c->offset++; - return c->crrtok; -} -void mc_ungettoken(mc_context *c) -{ - if (c->offset > 0) - c->offset--; -} -int mc_getval(mc_context *c) -{ - return c->crrval; -} -int mc_getdata(mc_context *c, char *s, int sz) -{ - int i; - - for (i=0; iname = (char *)xmalloc(SZ_FNAME+1); - *p->name = '\0'; - p->ind1 = (char *)xmalloc(SZ_IND+1); - *p->ind1 = '\0'; - p->ind2 = (char *)xmalloc(SZ_IND+1); - *p->ind2 = '\0'; - p->interval.start = p->interval.end = -1; - } - return p; -} -void mc_destroy_field(mc_field *p) -{ - if (!p) - return; - if (p->name) xfree(p->name); - if (p->ind1) xfree(p->ind1); - if (p->ind2) xfree(p->ind2); - if (p->list) mc_destroy_subfields_recursive(p->list); - xfree(p); -} -mc_field *mc_getfield(mc_context *c) -{ - mc_field *pf; - - pf = mc_mk_field(); - - if (!pf) - { - c->errcode = EMCNOMEM; - return 0; - } - - if (mc_getdata(c, pf->name, SZ_FNAME) == SZ_FNAME) - { - mc_token nexttok = mc_gettoken(c); - - mc_ungettoken(c); - - if (nexttok == LINTERVAL) - { - mc_getinterval(c, &pf->interval.start, &pf->interval.end); -#ifdef DEBUG - fprintf(stderr, "ineterval (%d)-(%d)\n", pf->interval.start, - pf->interval.end); -#endif - } - - if ((mc_getdata(c, pf->ind1, SZ_IND) == SZ_IND) && - (mc_getdata(c, pf->ind2, SZ_IND) == SZ_IND)) - { - pf->list = mc_getsubfields(c, 0); - } - } - else - { - c->errcode = EMCF; - mc_destroy_field(pf); - return 0; - } - - return pf; -} -mc_subfield *mc_mk_subfield(mc_subfield *parent) -{ - mc_subfield *p = (mc_subfield*)xmalloc(sizeof(*p)); - - if (p) - { - memset(p, 0, sizeof(*p)); - p->which = MC_SF; - p->name = (char *)xmalloc(SZ_SFNAME+1); - *p->name = '\0'; - p->prefix = (char *)xmalloc(SZ_PREFIX+1); - *p->prefix = '\0'; - p->suffix = (char *)xmalloc(SZ_SUFFIX+1); - *p->suffix = '\0'; - p->parent = parent; - p->interval.start = p->interval.end = -1; - } - return p; -} -void mc_destroy_subfield(mc_subfield *p) -{ - if (!p) - return; - - if (p->which == MC_SFGROUP || p->which == MC_SFVARIANT) - { - if (p->u.child) - mc_destroy_subfields_recursive(p->u.child); - } - else if (p->which == MC_SF) - { - if (p->u.in_line) - mc_destroy_field(p->u.in_line); - } - if (p->name) xfree(p->name); - if (p->prefix) xfree(p->prefix); - if (p->suffix) xfree(p->suffix); - if (p->parent) p->parent->next = p->next; - xfree(p); -} -void mc_destroy_subfields_recursive(mc_subfield *p) -{ - if (!p) - return; - - mc_destroy_subfields_recursive(p->next); - - if (p->which == MC_SFGROUP || p->which == MC_SFVARIANT) - { - if (p->u.child) - mc_destroy_subfields_recursive(p->u.child); - } - else if (p->which == MC_SF) - { - if (p->u.in_line) - mc_destroy_field(p->u.in_line); - } - - if (p->name) xfree(p->name); - if (p->prefix) xfree(p->prefix); - if (p->suffix) xfree(p->suffix); - if (p->parent) p->parent->next = 0; - xfree(p); -} -mc_subfield *mc_getsubfields(mc_context *c, mc_subfield *parent) -{ - mc_subfield *psf=0; - mc_token tok = mc_gettoken(c); - - if (tok == NOP) - return 0; - - if (tok == LGROUP) - { - if (!(psf = mc_mk_subfield(parent))) - { - c->errcode = EMCNOMEM; - return 0; - } - - psf->which = MC_SFGROUP; - psf->u.child = mc_getsubfields(c, psf); - - if (mc_gettoken(c) == RGROUP) - psf->next = mc_getsubfields(c, psf); - else - { - c->errcode = EMCSFGROUP; - mc_destroy_subfield(psf); - return 0; - } - } - else if (tok == LVARIANT) - { - if (!(psf = mc_mk_subfield(parent))) - { - c->errcode = EMCNOMEM; - return 0; - } - - psf->which = MC_SFVARIANT; - psf->u.child = mc_getsubfields(c, psf); - - if (mc_gettoken(c) == RVARIANT) - psf->next = mc_getsubfields(c, psf); - else - { - c->errcode = EMCSFVAR; - mc_destroy_subfield(psf); - return 0; - } - } - else if (tok == RGROUP || tok == RVARIANT || tok == RINLINE) - { - mc_ungettoken(c); - return 0; - } - else if (tok == REGULAR) - { - if (!(psf = mc_mk_subfield(parent))) - { - c->errcode = EMCNOMEM; - return 0; - } - - mc_ungettoken(c); - - if((mc_getdata(c, psf->prefix, SZ_PREFIX) == SZ_PREFIX) && - (mc_gettoken(c) == SUBFIELD) && - (mc_getdata(c, psf->name, SZ_SFNAME) == SZ_SFNAME)) - { - mc_token tok = mc_gettoken(c); - - mc_ungettoken(c); - - if (tok == LINTERVAL) - { - mc_getinterval(c, &psf->interval.start, &psf->interval.end); - } - else if (tok == LINLINE) - { - mc_gettoken(c); - psf->u.in_line = mc_getfield(c); - if (mc_gettoken(c) != RINLINE) - { - c->errcode = EMCSFINLINE; - mc_destroy_subfield(psf); - return 0; - } - } - - if (mc_getdata(c, psf->suffix, SZ_SUFFIX) == SZ_SUFFIX) - { - psf->which = MC_SF; - psf->next = mc_getsubfields(c, psf); - } - else - { - c->errcode = EMCSF; - mc_destroy_subfield(psf); - return 0; - } - } - } - return psf; -} -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/marcomp.h b/recctrl/marcomp.h deleted file mode 100644 index 4c34023..0000000 --- a/recctrl/marcomp.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - $Id: marcomp.h,v 1.2 2006-05-10 08:13:28 adam Exp $ -*/ -#ifndef MARCOMP_H -#define MARCOMP_H - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct mc_subfield -{ - char *name; - char *prefix; - char *suffix; - struct { - int start; - int end; - } interval; - int which; - union { -#define MC_SF 1 -#define MC_SFGROUP 2 -#define MC_SFVARIANT 3 - struct mc_field *in_line; - struct mc_subfield *child; - } u; - struct mc_subfield *next; - struct mc_subfield *parent; -} mc_subfield; - -#define SZ_FNAME 3 -#define SZ_IND 1 -#define SZ_SFNAME 1 -#define SZ_PREFIX 1 -#define SZ_SUFFIX 1 - -typedef struct mc_field -{ - char *name; - char *ind1; - char *ind2; - struct { - int start; - int end; - } interval; - struct mc_subfield *list; -} mc_field; - -typedef enum -{ - NOP, - REGULAR, - LVARIANT, - RVARIANT, - LGROUP, - RGROUP, - LINLINE, - RINLINE, - SUBFIELD, - LINTERVAL, - RINTERVAL, -} mc_token; - -typedef enum -{ - EMCOK = 0, /* first always, mondatory */ - EMCNOMEM, - EMCF, - EMCSF, - EMCSFGROUP, - EMCSFVAR, - EMCSFINLINE, - EMCEND /* last always, mondatory */ -} mc_errcode; - -typedef struct mc_context -{ - int offset; - - int crrval; - mc_token crrtok; - - mc_errcode errcode; - - int len; - const char *data; -} mc_context; - -mc_context *mc_mk_context(const char *s); -void mc_destroy_context(mc_context *c); - -mc_field *mc_getfield(mc_context *c); -void mc_destroy_field(mc_field *p); -void mc_pr_field(mc_field *p, int offset); - -mc_subfield *mc_getsubfields(mc_context *c, mc_subfield *parent); -void mc_destroy_subfield(mc_subfield *p); -void mc_destroy_subfields_recursive(mc_subfield *p); -void mc_pr_subfields(mc_subfield *p, int offset); - -mc_errcode mc_errno(mc_context *c); -const char *mc_error(mc_errcode no); - -#ifdef __cplusplus -} -#endif - -#endif -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/marcread.c b/recctrl/marcread.c deleted file mode 100644 index 5d74c35..0000000 --- a/recctrl/marcread.c +++ /dev/null @@ -1,899 +0,0 @@ -/* $Id: marcread.c,v 1.34 2006-05-10 08:13:28 adam Exp $ - Copyright (C) 1995-2005 - Index Data ApS - -This file is part of the Zebra server. - -Zebra is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -Zebra is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with Zebra; see the file LICENSE.zebra. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. -*/ - -#include -#include -#include - -#include -#include -#include -#include "marcomp.h" -#include "inline.h" - -#define MARC_DEBUG 0 -#define MARCOMP_DEBUG 0 - -struct marc_info { - char type[256]; -}; - -static data1_node *grs_read_iso2709 (struct grs_read_info *p, int marc_xml) -{ - struct marc_info *mi = (struct marc_info*) p->clientData; - char buf[100000]; - int entry_p; - int record_length; - int indicator_length; - int identifier_length; - int base_address; - int end_of_directory; - int length_data_entry; - int length_starting; - int length_implementation; - int read_bytes; -#if MARC_DEBUG - FILE *outf = stdout; -#endif - data1_node *res_root, *res_top; - char *absynName; - data1_marctab *marctab; - - if ((*p->readf)(p->fh, buf, 5) != 5) - return NULL; - while (*buf < '0' || *buf > '9') - { - int i; - - yaz_log(YLOG_WARN, "MARC: Skipping bad byte %d (0x%02X)", - *buf & 0xff, *buf & 0xff); - for (i = 0; i<4; i++) - buf[i] = buf[i+1]; - - if ((*p->readf)(p->fh, buf+4, 1) != 1) - return NULL; - } - record_length = atoi_n (buf, 5); - if (record_length < 25) - { - yaz_log (YLOG_WARN, "MARC record length < 25, is %d", record_length); - return NULL; - } - /* read remaining part - attempt to read one byte furhter... */ - read_bytes = (*p->readf)(p->fh, buf+5, record_length-4); - if (read_bytes < record_length-5) - { - yaz_log (YLOG_WARN, "Couldn't read whole MARC record"); - return NULL; - } - if (read_bytes == record_length - 4) - { - off_t cur_offset = (*p->tellf)(p->fh); - if (cur_offset <= 27) - return NULL; - if (p->endf) - (*p->endf)(p->fh, cur_offset - 1); - } - absynName = mi->type; - res_root = data1_mk_root (p->dh, p->mem, absynName); - if (!res_root) - { - yaz_log (YLOG_WARN, "cannot read MARC without an abstract syntax"); - return 0; - } - if (marc_xml) - { - data1_node *lead; - const char *attr[] = { "xmlns", "http://www.loc.gov/MARC21/slim", 0}; - - res_top = data1_mk_tag (p->dh, p->mem, "record", attr, res_root); - - lead = data1_mk_tag(p->dh, p->mem, "leader", 0, res_top); - data1_mk_text_n(p->dh, p->mem, buf, 24, lead); - } - else - res_top = data1_mk_tag (p->dh, p->mem, absynName, 0, res_root); - - if ((marctab = data1_absyn_getmarctab(p->dh, res_root->u.root.absyn))) - { - memcpy(marctab->leader, buf, 24); - memcpy(marctab->implementation_codes, buf+6, 4); - marctab->implementation_codes[4] = '\0'; - memcpy(marctab->user_systems, buf+17, 3); - marctab->user_systems[3] = '\0'; - } - - if (marctab && marctab->force_indicator_length >= 0) - indicator_length = marctab->force_indicator_length; - else - indicator_length = atoi_n (buf+10, 1); - if (marctab && marctab->force_identifier_length >= 0) - identifier_length = marctab->force_identifier_length; - else - identifier_length = atoi_n (buf+11, 1); - base_address = atoi_n (buf+12, 5); - - length_data_entry = atoi_n (buf+20, 1); - length_starting = atoi_n (buf+21, 1); - length_implementation = atoi_n (buf+22, 1); - - for (entry_p = 24; buf[entry_p] != ISO2709_FS; ) - { - int l = 3 + length_data_entry + length_starting; - if (entry_p + l >= record_length) - { - yaz_log(YLOG_WARN, "MARC: Directory offset %d: end of record.", - entry_p); - return 0; - } - /* check for digits in length info */ - while (--l >= 3) - if (!isdigit(*(const unsigned char *) (buf + entry_p+l))) - break; - if (l >= 3) - { - /* not all digits, so stop directory scan */ - yaz_log(YLOG_LOG, "MARC: Bad directory"); - break; - } - entry_p += 3 + length_data_entry + length_starting; - } - end_of_directory = entry_p; - if (base_address != entry_p+1) - { - yaz_log(YLOG_WARN, "MARC: Base address does not follow directory"); - } - for (entry_p = 24; entry_p != end_of_directory; ) - { - int data_length; - int data_offset; - int end_offset; - int i, i0; - char tag[4]; - data1_node *res; - data1_node *parent = res_top; - - memcpy (tag, buf+entry_p, 3); - entry_p += 3; - tag[3] = '\0'; - - if (marc_xml) - res = parent; - else - res = data1_mk_tag_n (p->dh, p->mem, tag, 3, 0 /* attr */, parent); - -#if MARC_DEBUG - fprintf (outf, "%s ", tag); -#endif - data_length = atoi_n (buf+entry_p, length_data_entry); - entry_p += length_data_entry; - data_offset = atoi_n (buf+entry_p, length_starting); - entry_p += length_starting; - i = data_offset + base_address; - end_offset = i+data_length-1; - - if (data_length <= 0 || data_offset < 0 || end_offset >= record_length) - { - yaz_log(YLOG_WARN, "MARC: Bad offsets in data. Skipping rest"); - break; - } - - if (memcmp (tag, "00", 2) && indicator_length) - { - /* generate indicator node */ - if (marc_xml) - { - const char *attr[10]; - int j; - - attr[0] = "tag"; - attr[1] = tag; - attr[2] = 0; - - res = data1_mk_tag(p->dh, p->mem, "datafield", attr, res); - - for (j = 0; jdh, p->mem, res, attr); - } - } - else - { -#if MARC_DEBUG - int j; -#endif - res = data1_mk_tag_n (p->dh, p->mem, - buf+i, indicator_length, 0 /* attr */, res); -#if MARC_DEBUG - for (j = 0; jdh, p->mem, "controlfield", attr, res); - } - } - parent = res; - /* traverse sub fields */ - i0 = i; - while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS && i < end_offset) - { - if (memcmp (tag, "00", 2) && identifier_length) - { - data1_node *res; - if (marc_xml) - { - int j; - const char *attr[3]; - char code[10]; - - for (j = 1; jdh, p->mem, "subfield", - attr, parent); - } - else - { - res = data1_mk_tag_n (p->dh, p->mem, - buf+i+1, identifier_length-1, - 0 /* attr */, parent); - } -#if MARC_DEBUG - fprintf (outf, " $"); - for (j = 1; jdh, p->mem, buf + i0, i - i0, res); - i0 = i; - } - else - { -#if MARC_DEBUG - fprintf (outf, "%c", buf[i]); -#endif - i++; - } - } - if (i > i0) - { - data1_mk_text_n (p->dh, p->mem, buf + i0, i - i0, parent); - } -#if MARC_DEBUG - fprintf (outf, "\n"); - if (i < end_offset) - fprintf (outf, "-- separator but not at end of field\n"); - if (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS) - fprintf (outf, "-- no separator at end of field\n"); -#endif - } - return res_root; -} - -/* - * Locate some data under this node. This routine should handle variants - * prettily. - */ -static char *get_data(data1_node *n, int *len) -{ - char *r; - - while (n) - { - if (n->which == DATA1N_data) - { - int i; - *len = n->u.data.len; - - for (i = 0; i<*len; i++) - if (!d1_isspace(n->u.data.data[i])) - break; - while (*len && d1_isspace(n->u.data.data[*len - 1])) - (*len)--; - *len = *len - i; - if (*len > 0) - return n->u.data.data + i; - } - if (n->which == DATA1N_tag) - n = n->child; - else if (n->which == DATA1N_data) - n = n->next; - else - break; - } - r = ""; - *len = strlen(r); - return r; -} - -static data1_node *lookup_subfield(data1_node *node, const char *name) -{ - data1_node *p; - - for (p=node; p; p=p->next) - { - if (!yaz_matchstr(p->u.tag.tag, name)) - return p; - } - return 0; -} - -static inline_subfield *lookup_inline_subfield(inline_subfield *pisf, - const char *name) -{ - inline_subfield *p; - - for (p=pisf; p; p=p->next) - { - if (!yaz_matchstr(p->name, name)) - return p; - } - return 0; -} - -static inline_subfield *cat_inline_subfield(mc_subfield *psf, WRBUF buf, - inline_subfield *pisf) -{ - mc_subfield *p; - - for (p = psf; p && pisf; p = p->next) - { - if (p->which == MC_SF) - { - inline_subfield *found = lookup_inline_subfield(pisf, p->name); - - if (found) - { - if (strcmp(p->prefix, "_")) - { - wrbuf_puts(buf, " "); - wrbuf_puts(buf, p->prefix); - } - if (p->interval.start == -1) - { - wrbuf_puts(buf, found->data); - } - else - { - wrbuf_write(buf, found->data+p->interval.start, - p->interval.end-p->interval.start); - wrbuf_puts(buf, ""); - } - if (strcmp(p->suffix, "_")) - { - wrbuf_puts(buf, p->suffix); - wrbuf_puts(buf, " "); - } -#if MARCOMP_DEBUG - yaz_log(YLOG_LOG, "cat_inline_subfield(): add subfield $%s", found->name); -#endif - pisf = found->next; - } - } - else if (p->which == MC_SFVARIANT) - { - inline_subfield *next; - - do { - next = cat_inline_subfield(p->u.child, buf, pisf); - if (next == pisf) - break; - pisf = next; - } while (pisf); - } - else if (p->which == MC_SFGROUP) - { - mc_subfield *pp; - int found; - - for (pp = p->u.child, found = 0; pp; pp = pp->next) - { - if (!yaz_matchstr(pisf->name, p->name)) - { - found = 1; - break; - } - } - if (found) - { - wrbuf_puts(buf, " ("); - pisf = cat_inline_subfield(p->u.child, buf, pisf); - wrbuf_puts(buf, ") "); - } - } - } - return pisf; -} - -static void cat_inline_field(mc_field *pf, WRBUF buf, data1_node *subfield) -{ - if (!pf || !subfield) - return; - - for (;subfield;) - { - int len; - inline_field *pif=NULL; - data1_node *psubf; - - if (yaz_matchstr(subfield->u.tag.tag, "1")) - { - subfield = subfield->next; - continue; - } - - psubf = subfield; - pif = inline_mk_field(); - do - { - int i; - if ((i=inline_parse(pif, psubf->u.tag.tag, get_data(psubf, &len)))<0) - { - yaz_log(YLOG_WARN, "inline subfield ($%s): parse error", - psubf->u.tag.tag); - inline_destroy_field(pif); - return; - } - psubf = psubf->next; - } while (psubf && yaz_matchstr(psubf->u.tag.tag, "1")); - - subfield = psubf; - - if (pif && !yaz_matchstr(pif->name, pf->name)) - { - if (!pf->list && pif->list) - { - wrbuf_puts(buf, pif->list->data); - } - else - { - int ind1, ind2; - - /* - check indicators - */ - - ind1 = (pif->ind1[0] == ' ') ? '_':pif->ind1[0]; - ind2 = (pif->ind2[0] == ' ') ? '_':pif->ind2[0]; - - if (((pf->ind1[0] == '.') || (ind1 == pf->ind1[0])) && - ((pf->ind2[0] == '.') || (ind2 == pf->ind2[0]))) - { - cat_inline_subfield(pf->list, buf, pif->list); - - /* - add separator for inline fields - */ - if (wrbuf_len(buf)) - { - wrbuf_puts(buf, "\n"); - } - } - else - { - yaz_log(YLOG_WARN, "In-line field %s missed -- indicators do not match", pif->name); - } - } - } - inline_destroy_field(pif); - } -#if MARCOMP_DEBUG - yaz_log(YLOG_LOG, "cat_inline_field(): got buffer {%s}", buf); -#endif -} - -static data1_node *cat_subfield(mc_subfield *psf, WRBUF buf, - data1_node *subfield) -{ - mc_subfield *p; - - for (p = psf; p && subfield; p = p->next) - { - if (p->which == MC_SF) - { - data1_node *found = lookup_subfield(subfield, p->name); - - if (found) - { - int len; - - if (strcmp(p->prefix, "_")) - { - wrbuf_puts(buf, " "); - wrbuf_puts(buf, p->prefix); - } - - if (p->u.in_line) - { - cat_inline_field(p->u.in_line, buf, found); - } - else if (p->interval.start == -1) - { - wrbuf_puts(buf, get_data(found, &len)); - } - else - { - wrbuf_write(buf, get_data(found, &len)+p->interval.start, - p->interval.end-p->interval.start); - wrbuf_puts(buf, ""); - } - if (strcmp(p->suffix, "_")) - { - wrbuf_puts(buf, p->suffix); - wrbuf_puts(buf, " "); - } -#if MARCOMP_DEBUG - yaz_log(YLOG_LOG, "cat_subfield(): add subfield $%s", found->u.tag.tag); -#endif - subfield = found->next; - } - } - else if (p->which == MC_SFVARIANT) - { - data1_node *next; - do { - next = cat_subfield(p->u.child, buf, subfield); - if (next == subfield) - break; - subfield = next; - } while (subfield); - } - else if (p->which == MC_SFGROUP) - { - mc_subfield *pp; - int found; - - for (pp = p->u.child, found = 0; pp; pp = pp->next) - { - if (!yaz_matchstr(subfield->u.tag.tag, pp->name)) - { - found = 1; - break; - } - } - if (found) - { - wrbuf_puts(buf, " ("); - subfield = cat_subfield(p->u.child, buf, subfield); - wrbuf_puts(buf, ") "); - } - } - } - return subfield; -} - -static data1_node *cat_field(struct grs_read_info *p, mc_field *pf, - WRBUF buf, data1_node *field) -{ - data1_node *subfield; - int ind1, ind2; - - if (!pf || !field) - return 0; - - - if (yaz_matchstr(field->u.tag.tag, pf->name)) - return field->next; - - subfield = field->child; - - if (!subfield) - return field->next; - - /* - check subfield without indicators - */ - - if (!pf->list && subfield->which == DATA1N_data) - { - int len; - - if (pf->interval.start == -1) - { - wrbuf_puts(buf, get_data(field, &len)); - } - else - { - wrbuf_write(buf, get_data(field, &len)+pf->interval.start, - pf->interval.end-pf->interval.start); - wrbuf_puts(buf, ""); - } -#if MARCOMP_DEBUG - yaz_log(YLOG_LOG, "cat_field(): got buffer {%s}", buf); -#endif - return field->next; - } - - /* - check indicators - */ - - ind1 = (subfield->u.tag.tag[0] == ' ') ? '_':subfield->u.tag.tag[0]; - ind2 = (subfield->u.tag.tag[1] == ' ') ? '_':subfield->u.tag.tag[1]; - - if (!( - ((pf->ind1[0] == '.') || (ind1 == pf->ind1[0])) && - ((pf->ind2[0] == '.') || (ind2 == pf->ind2[0])) - )) - { -#if MARCOMP_DEBUG - yaz_log(YLOG_WARN, "Field %s missed -- does not match indicators", field->u.tag.tag); -#endif - return field->next; - } - - subfield = subfield->child; - - if (!subfield) - return field->next; - - cat_subfield(pf->list, buf, subfield); - -#if MARCOMP_DEBUG - yaz_log(YLOG_LOG, "cat_field(): got buffer {%s}", buf); -#endif - - return field->next; -} - -static int is_empty(char *s) -{ - char *p = s; - - for (p = s; *p; p++) - { - if (!isspace(*(unsigned char *)p)) - return 0; - } - return 1; -} - -static void parse_data1_tree(struct grs_read_info *p, const char *mc_stmnt, - data1_node *root) -{ - data1_marctab *marctab = data1_absyn_getmarctab(p->dh, root->u.root.absyn); - data1_node *top = root->child; - data1_node *field; - mc_context *c; - mc_field *pf; - WRBUF buf; - - c = mc_mk_context(mc_stmnt+3); - - if (!c) - return; - - pf = mc_getfield(c); - - if (!pf) - { - mc_destroy_context(c); - return; - } - buf = wrbuf_alloc(); -#if MARCOMP_DEBUG - yaz_log(YLOG_LOG, "parse_data1_tree(): statement -{%s}", mc_stmnt); -#endif - if (!yaz_matchstr(pf->name, "ldr")) - { - data1_node *new; -#if MARCOMP_DEBUG - yaz_log(YLOG_LOG,"parse_data1_tree(): try LEADER from {%d} to {%d} positions", - pf->interval.start, pf->interval.end); -#endif - new = data1_mk_tag_n(p->dh, p->mem, mc_stmnt, strlen(mc_stmnt), 0, top); - data1_mk_text_n(p->dh, p->mem, marctab->leader+pf->interval.start, - pf->interval.end-pf->interval.start+1, new); - } - else - { - field=top->child; - - while(field) - { - if (!yaz_matchstr(field->u.tag.tag, pf->name)) - { - data1_node *new; - char *pb; -#if MARCOMP_DEBUG - yaz_log(YLOG_LOG, "parse_data1_tree(): try field {%s}", field->u.tag.tag); -#endif - wrbuf_rewind(buf); - wrbuf_puts(buf, ""); - - field = cat_field(p, pf, buf, field); - - pb = wrbuf_buf(buf); - for (pb = strtok(pb, "\n"); pb; pb = strtok(NULL, "\n")) - { - if (!is_empty(pb)) - { - new = data1_mk_tag_n(p->dh, p->mem, mc_stmnt, strlen(mc_stmnt), 0, top); - data1_mk_text_n(p->dh, p->mem, pb, strlen(pb), new); - } - } - } - else - { - field = field->next; - } - } - } - mc_destroy_field(pf); - mc_destroy_context(c); - wrbuf_free(buf, 1); -} - -data1_node *grs_read_marcxml(struct grs_read_info *p) -{ - data1_node *root = grs_read_iso2709(p, 1); - data1_element *e; - - if (!root) - return 0; - - for (e = data1_absyn_getelements(p->dh, root->u.root.absyn); e; e=e->next) - { - data1_tag *tag = e->tag; - - if (tag && tag->which == DATA1T_string && - !yaz_matchstr(tag->value.string, "mc?")) - parse_data1_tree(p, tag->value.string, root); - } - return root; -} - -data1_node *grs_read_marc(struct grs_read_info *p) -{ - data1_node *root = grs_read_iso2709(p, 0); - data1_element *e; - - if (!root) - return 0; - - for (e = data1_absyn_getelements(p->dh, root->u.root.absyn); e; e=e->next) - { - data1_tag *tag = e->tag; - - if (tag && tag->which == DATA1T_string && - !yaz_matchstr(tag->value.string, "mc?")) - parse_data1_tree(p, tag->value.string, root); - } - return root; -} - -static void *init_marc(Res res, RecType rt) -{ - struct marc_info *p = xmalloc(sizeof(*p)); - strcpy(p->type, ""); - return p; -} - -static ZEBRA_RES config_marc(void *clientData, Res res, const char *args) -{ - struct marc_info *p = (struct marc_info*) clientData; - if (strlen(args) < sizeof(p->type)) - strcpy(p->type, args); - return ZEBRA_OK; -} - -static void destroy_marc(void *clientData) -{ - struct marc_info *p = (struct marc_info*) clientData; - xfree (p); -} - - -static int extract_marc(void *clientData, struct recExtractCtrl *ctrl) -{ - return zebra_grs_extract(clientData, ctrl, grs_read_marc); -} - -static int retrieve_marc(void *clientData, struct recRetrieveCtrl *ctrl) -{ - return zebra_grs_retrieve(clientData, ctrl, grs_read_marc); -} - -static struct recType marc_type = { - 0, - "grs.marc", - init_marc, - config_marc, - destroy_marc, - extract_marc, - retrieve_marc, -}; - -static int extract_marcxml(void *clientData, struct recExtractCtrl *ctrl) -{ - return zebra_grs_extract(clientData, ctrl, grs_read_marcxml); -} - -static int retrieve_marcxml(void *clientData, struct recRetrieveCtrl *ctrl) -{ - return zebra_grs_retrieve(clientData, ctrl, grs_read_marcxml); -} - -static struct recType marcxml_type = { - 0, - "grs.marcxml", - init_marc, - config_marc, - destroy_marc, - extract_marcxml, - retrieve_marcxml, -}; - -RecType -#ifdef IDZEBRA_STATIC_GRS_MARC -idzebra_filter_grs_marc -#else -idzebra_filter -#endif - -[] = { - &marc_type, - &marcxml_type, - 0, -}; - -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/recctrl.c b/recctrl/recctrl.c deleted file mode 100644 index 1bdc60d..0000000 --- a/recctrl/recctrl.c +++ /dev/null @@ -1,284 +0,0 @@ -/* $Id: recctrl.c,v 1.27 2006-06-02 13:55:55 marc Exp $ - Copyright (C) 1995-2006 - Index Data ApS - -This file is part of the Zebra server. - -Zebra is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -Zebra is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with Zebra; see the file LICENSE.zebra. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. -*/ - - -#include -#include -#include -#if HAVE_DLFCN_H -#include -#endif - -#include -#include -#include - -struct recTypeClass { - RecType recType; - struct recTypeClass *next; - void *module_handle; -}; - -struct recTypeInstance { - RecType recType; - struct recTypeInstance *next; - int init_flag; - void *clientData; -}; - -struct recTypes { - data1_handle dh; - struct recTypeInstance *entries; -}; - -static void recTypeClass_add (struct recTypeClass **rts, RecType *rt, - NMEM nmem, void *module_handle); - - -RecTypeClass recTypeClass_create (Res res, NMEM nmem) -{ - struct recTypeClass *rts = 0; - -#ifdef IDZEBRA_STATIC_GRS_SGML - if (1) - { - extern RecType idzebra_filter_grs_sgml[]; - recTypeClass_add (&rts, idzebra_filter_grs_sgml, nmem, 0); - } -#endif - -#ifdef IDZEBRA_STATIC_TEXT - if (1) - { - extern RecType idzebra_filter_text[]; - recTypeClass_add (&rts, idzebra_filter_text, nmem, 0); - } -#endif - -#ifdef IDZEBRA_STATIC_GRS_XML -#if HAVE_EXPAT_H - if (1) - { - extern RecType idzebra_filter_grs_xml[]; - recTypeClass_add (&rts, idzebra_filter_grs_xml, nmem, 0); - } -#endif -#endif - -#ifdef IDZEBRA_STATIC_GRS_REGX - if (1) - { - extern RecType idzebra_filter_grs_regx[]; - recTypeClass_add (&rts, idzebra_filter_grs_regx, nmem, 0); - } -#endif - -#ifdef IDZEBRA_STATIC_GRS_MARC - if (1) - { - extern RecType idzebra_filter_grs_marc[]; - recTypeClass_add (&rts, idzebra_filter_grs_marc, nmem, 0); - } -#endif - -#ifdef IDZEBRA_STATIC_SAFARI - if (1) - { - extern RecType idzebra_filter_safari[]; - recTypeClass_add (&rts, idzebra_filter_safari, nmem, 0); - } -#endif - -#ifdef IDZEBRA_STATIC_ALVIS -#if HAVE_XSLT - if (1) - { - extern RecType idzebra_filter_alvis[]; - recTypeClass_add (&rts, idzebra_filter_alvis, nmem, 0); - } -#endif -#endif - - return rts; -} - -void recTypeClass_load_modules(RecTypeClass *rts, NMEM nmem, - const char *module_path) -{ -#if HAVE_DLFCN_H - if (module_path) - { - DIR *dir = opendir(module_path); - yaz_log(YLOG_LOG, "searching filters in %s", module_path); - if (dir) - { - struct dirent *de; - - while ((de = readdir(dir))) - { - size_t dlen = strlen(de->d_name); - if (dlen >= 5 && - !memcmp(de->d_name, "mod-", 4) && - !strcmp(de->d_name + dlen - 3, ".so")) - { - void *mod_p, *fl; - char fname[FILENAME_MAX*2+1]; - sprintf(fname, "%.*s/%.*s", - FILENAME_MAX, module_path, - FILENAME_MAX, de->d_name); - mod_p = dlopen(fname, RTLD_NOW|RTLD_GLOBAL); - if (mod_p && (fl = dlsym(mod_p, "idzebra_filter"))) - { - yaz_log(YLOG_LOG, "Loaded filter module %s", fname); - recTypeClass_add(rts, fl, nmem, mod_p); - } - else if (mod_p) - { - const char *err = dlerror(); - yaz_log(YLOG_WARN, "dlsym failed %s %s", - fname, err ? err : "none"); - dlclose(mod_p); - } - else - { - const char *err = dlerror(); - yaz_log(YLOG_WARN, "dlopen failed %s %s", - fname, err ? err : "none"); - - } - } - } - closedir(dir); - } - } -#endif -} - -static void recTypeClass_add(struct recTypeClass **rts, RecType *rt, - NMEM nmem, void *module_handle) -{ - while (*rt) - { - struct recTypeClass *r = (struct recTypeClass *) - nmem_malloc (nmem, sizeof(*r)); - - r->next = *rts; - *rts = r; - - yaz_log(YLOG_LOG, "Adding filter %s", (*rt)->name); - r->module_handle = module_handle; - module_handle = 0; /* so that we only store module_handle once */ - r->recType = *rt; - - rt++; - } -} - -void recTypeClass_info(RecTypeClass rtc, void *cd, - void (*cb)(void *cd, const char *s)) -{ - for (; rtc; rtc = rtc->next) - (*cb)(cd, rtc->recType->name); -} - -void recTypeClass_destroy(RecTypeClass rtc) -{ - for (; rtc; rtc = rtc->next) - { -#if HAVE_DLFCN_H - if (rtc->module_handle) - dlclose(rtc->module_handle); -#endif - } -} - -RecTypes recTypes_init(RecTypeClass rtc, data1_handle dh) -{ - RecTypes rts = (RecTypes) nmem_malloc(data1_nmem_get(dh), sizeof(*rts)); - - struct recTypeInstance **rti = &rts->entries; - - rts->dh = dh; - - for (; rtc; rtc = rtc->next) - { - *rti = nmem_malloc(data1_nmem_get(dh), sizeof(**rti)); - (*rti)->recType = rtc->recType; - (*rti)->init_flag = 0; - rti = &(*rti)->next; - } - *rti = 0; - return rts; -} - -void recTypes_destroy (RecTypes rts) -{ - struct recTypeInstance *rti; - - for (rti = rts->entries; rti; rti = rti->next) - { - if (rti->init_flag) - (*(rti->recType)->destroy)(rti->clientData); - } -} - -RecType recType_byName (RecTypes rts, Res res, const char *name, - void **clientDataP) -{ - struct recTypeInstance *rti; - - for (rti = rts->entries; rti; rti = rti->next) - { - size_t slen = strlen(rti->recType->name); - if (!strncmp (rti->recType->name, name, slen) - && (name[slen] == '\0' || name[slen] == '.')) - { - if (!rti->init_flag) - { - rti->init_flag = 1; - rti->clientData = - (*(rti->recType)->init)(res, rti->recType); - } - *clientDataP = rti->clientData; - if (name[slen]) - slen++; /* skip . */ - - if (rti->recType->config) - { - if ((*(rti->recType)->config) - (rti->clientData, res, name+slen) != ZEBRA_OK) - return 0; - } - return rti->recType; - } - } - return 0; -} - -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/recgrs.c b/recctrl/recgrs.c deleted file mode 100644 index bc77d38..0000000 --- a/recctrl/recgrs.c +++ /dev/null @@ -1,1450 +0,0 @@ -/* $Id: recgrs.c,v 1.112 2006-06-13 20:04:15 adam Exp $ - Copyright (C) 1995-2006 - Index Data ApS - -This file is part of the Zebra server. - -Zebra is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -Zebra is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with Zebra; see the file LICENSE.zebra. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. -*/ - -#include -#include -#include -#include - -#include -#include - -#include -#include - -#define GRS_MAX_WORD 512 - -struct source_parser { - int len; - const char *tok; - const char *src; - int lookahead; - NMEM nmem; -}; - -static int sp_lex(struct source_parser *sp) -{ - while (*sp->src == ' ') - (sp->src)++; - sp->tok = sp->src; - sp->len = 0; - while (*sp->src && !strchr("<>();,-: ", *sp->src)) - { - sp->src++; - sp->len++; - } - if (sp->len) - sp->lookahead = 't'; - else - { - sp->lookahead = *sp->src; - if (*sp->src) - sp->src++; - } - return sp->lookahead; -} - -static int sp_expr(struct source_parser *sp, data1_node *n, RecWord *wrd); - -static int sp_range(struct source_parser *sp, data1_node *n, RecWord *wrd) -{ - int start, len; - RecWord tmp_w; - - /* ( */ - sp_lex(sp); - if (sp->lookahead != '(') - return 0; - sp_lex(sp); /* skip ( */ - - /* 1st arg: string */ - if (!sp_expr(sp, n, wrd)) - return 0; - - if (sp->lookahead != ',') - return 0; - sp_lex(sp); /* skip , */ - - /* 2nd arg: start */ - if (!sp_expr(sp, n, &tmp_w)) - return 0; - start = atoi_n(tmp_w.term_buf, tmp_w.term_len); - - if (sp->lookahead == ',') - { - sp_lex(sp); /* skip , */ - - /* 3rd arg: length */ - if (!sp_expr(sp, n, &tmp_w)) - return 0; - len = atoi_n(tmp_w.term_buf, tmp_w.term_len); - } - else - len = wrd->term_len; - - /* ) */ - if (sp->lookahead != ')') - return 0; - sp_lex(sp); - - if (wrd->term_buf && wrd->term_len) - { - wrd->term_buf += start; - wrd->term_len -= start; - if (wrd->term_len > len) - wrd->term_len = len; - } - return 1; -} - -static int sp_first(struct source_parser *sp, data1_node *n, RecWord *wrd) -{ - char num_str[20]; - int min_pos = -1; - sp_lex(sp); - if (sp->lookahead != '(') - return 0; - sp_lex(sp); /* skip ( */ - if (!sp_expr(sp, n, wrd)) - return 0; - while (sp->lookahead == ',') - { - RecWord search_w; - int i; - sp_lex(sp); /* skip , */ - - if (!sp_expr(sp, n, &search_w)) - return 0; - for (i = 0; iterm_len; i++) - { - int j; - for (j = 0; jterm_len; j++) - if (wrd->term_buf[i+j] != search_w.term_buf[j]) - break; - if (j == search_w.term_len) /* match ? */ - { - if (min_pos == -1 || i < min_pos) - min_pos = i; - break; - } - } - } - if (sp->lookahead != ')') - return 0; - sp_lex(sp); - if (min_pos == -1) - min_pos = 0; /* the default if not found */ - sprintf(num_str, "%d", min_pos); - wrd->term_buf = nmem_strdup(sp->nmem, num_str); - wrd->term_len = strlen(wrd->term_buf); - return 1; -} - -static int sp_expr(struct source_parser *sp, data1_node *n, RecWord *wrd) -{ - if (sp->lookahead != 't') - return 0; - if (sp->len == 4 && !memcmp(sp->tok, "data", sp->len)) - { - if (n->which == DATA1N_data) - { - wrd->term_buf = n->u.data.data; - wrd->term_len = n->u.data.len; - } - sp_lex(sp); - } - else if (sp->len == 3 && !memcmp(sp->tok, "tag", sp->len)) - { - if (n->which == DATA1N_tag) - { - wrd->term_buf = n->u.tag.tag; - wrd->term_len = strlen(n->u.tag.tag); - } - sp_lex(sp); - } - else if (sp->len == 4 && !memcmp(sp->tok, "attr", sp->len)) - { - RecWord tmp_w; - sp_lex(sp); - if (sp->lookahead != '(') - return 0; - sp_lex(sp); - - if (!sp_expr(sp, n, &tmp_w)) - return 0; - - wrd->term_buf = ""; - wrd->term_len = 0; - if (n->which == DATA1N_tag) - { - data1_xattr *p = n->u.tag.attributes; - while (p && strlen(p->name) != tmp_w.term_len && - memcmp (p->name, tmp_w.term_buf, tmp_w.term_len)) - p = p->next; - if (p) - { - wrd->term_buf = p->value; - wrd->term_len = strlen(p->value); - } - } - if (sp->lookahead != ')') - return 0; - sp_lex(sp); - } - else if (sp->len == 5 && !memcmp(sp->tok, "first", sp->len)) - { - return sp_first(sp, n, wrd); - } - else if (sp->len == 5 && !memcmp(sp->tok, "range", sp->len)) - { - return sp_range(sp, n, wrd); - } - else if (sp->len > 0 && isdigit(*(unsigned char *)sp->tok)) - { - char *b; - wrd->term_len = sp->len; - b = nmem_malloc(sp->nmem, sp->len); - memcpy(b, sp->tok, sp->len); - wrd->term_buf = b; - sp_lex(sp); - } - else if (sp->len > 2 && sp->tok[0] == '\'' && sp->tok[sp->len-1] == '\'') - { - char *b; - wrd->term_len = sp->len - 2; - b = nmem_malloc(sp->nmem, wrd->term_len); - memcpy(b, sp->tok+1, wrd->term_len); - wrd->term_buf = b; - sp_lex(sp); - } - else - { - wrd->term_buf = ""; - wrd->term_len = 0; - sp_lex(sp); - } - return 1; -} - -static struct source_parser *source_parser_create() -{ - struct source_parser *sp = xmalloc(sizeof(*sp)); - - sp->nmem = nmem_create(); - return sp; -} - -static void source_parser_destroy(struct source_parser *sp) -{ - if (!sp) - return; - nmem_destroy(sp->nmem); - xfree(sp); -} - -static int sp_parse(struct source_parser *sp, - data1_node *n, RecWord *wrd, const char *src) -{ - sp->len = 0; - sp->tok = 0; - sp->src = src; - sp->lookahead = 0; - nmem_reset(sp->nmem); - - sp_lex(sp); - return sp_expr(sp, n, wrd); -} - -int d1_check_xpath_predicate(data1_node *n, struct xpath_predicate *p) -{ - int res = 1; - char *attname; - data1_xattr *attr; - - if (!p) { - return 1; - } else { - if (p->which == XPATH_PREDICATE_RELATION) { - if (p->u.relation.name[0]) { - if (*p->u.relation.name != '@') { - yaz_log(YLOG_WARN, - " Only attributes (@) are supported in xelm xpath predicates"); - yaz_log(YLOG_WARN, "predicate %s ignored", p->u.relation.name); - return 1; - } - attname = p->u.relation.name + 1; - res = 0; - /* looking for the attribute with a specified name */ - for (attr = n->u.tag.attributes; attr; attr = attr->next) { - yaz_log(YLOG_DEBUG," - attribute %s <-> %s", attname, attr->name ); - - if (!strcmp(attr->name, attname)) { - if (p->u.relation.op[0]) { - if (*p->u.relation.op != '=') { - yaz_log(YLOG_WARN, - "Only '=' relation is supported (%s)",p->u.relation.op); - yaz_log(YLOG_WARN, "predicate %s ignored", p->u.relation.name); - res = 1; break; - } else { - yaz_log(YLOG_DEBUG," - value %s <-> %s", - p->u.relation.value, attr->value ); - if (!strcmp(attr->value, p->u.relation.value)) { - res = 1; break; - } - } - } else { - /* attribute exists, no value specified */ - res = 1; break; - } - } - } - yaz_log(YLOG_DEBUG, "return %d", res); - return res; - } else { - return 1; - } - } - else if (p->which == XPATH_PREDICATE_BOOLEAN) { - if (!strcmp(p->u.boolean.op,"and")) { - return d1_check_xpath_predicate(n, p->u.boolean.left) - && d1_check_xpath_predicate(n, p->u.boolean.right); - } - else if (!strcmp(p->u.boolean.op,"or")) { - return (d1_check_xpath_predicate(n, p->u.boolean.left) - || d1_check_xpath_predicate(n, p->u.boolean.right)); - } else { - yaz_log(YLOG_WARN, "Unknown boolean relation %s, ignored",p->u.boolean.op); - return 1; - } - } - } - return 0; -} - - -static int dfa_match_first(struct DFA_state **dfaar, const char *text) -{ - struct DFA_state *s = dfaar[0]; /* start state */ - struct DFA_tran *t; - int i; - const char *p = text; - unsigned char c; - - for (c = *p++, t = s->trans, i = s->tran_no; --i >= 0; t++) - { - if (c >= t->ch[0] && c <= t->ch[1]) - { - while (i >= 0) - { - /* move to next state and return if we get a match */ - s = dfaar[t->to]; - if (s->rule_no) - return 1; - /* next char */ - if (!c) - return 0; - c = *p++; - for (t = s->trans, i = s->tran_no; --i >= 0; t++) - if (c >= t->ch[0] && c <= t->ch[1]) - break; - } - } - } - return 0; -} - -/* *ostrich* - -New function, looking for xpath "element" definitions in abs, by -tagpath, using a kind of ugly regxp search.The DFA was built while -parsing abs, so here we just go trough them and try to match -against the given tagpath. The first matching entry is returned. - -pop, 2002-12-13 - -Added support for enhanced xelm. Now [] predicates are considered -as well, when selecting indexing rules... (why the hell it's called -termlist???) - -pop, 2003-01-17 - -*/ - -data1_termlist *xpath_termlist_by_tagpath(char *tagpath, data1_node *n) -{ - data1_absyn *abs = n->root->u.root.absyn; - data1_xpelement *xpe = abs->xp_elements; - data1_node *nn; -#ifdef ENHANCED_XELM - struct xpath_location_step *xp; -#endif - char *pexpr = xmalloc(strlen(tagpath)+5); - int ok = 0; - - sprintf (pexpr, "/%s\n", tagpath); - for (; xpe; xpe = xpe->next) - { - int i; - ok = dfa_match_first(xpe->dfa->states, pexpr); - - if (ok) { -#ifdef ENHANCED_XELM - /* we have to check the perdicates up to the root node */ - xp = xpe->xpath; - - /* find the first tag up in the node structure */ - for (nn = n; nn && nn->which != DATA1N_tag; nn = nn->parent) - ; - - /* go from inside out in the node structure, while going - backwards trough xpath location steps ... */ - for (i = xpe->xpath_len - 1; i>0; i--) - { - yaz_log(YLOG_DEBUG, "Checking step %d: %s on tag %s", - i, xp[i].part, nn->u.tag.tag); - - if (!d1_check_xpath_predicate(nn, xp[i].predicate)) - { - yaz_log(YLOG_DEBUG, " Predicates didn't match"); - ok = 0; - break; - } - - if (nn->which == DATA1N_tag) - nn = nn->parent; - } -#endif - if (ok) - break; - } - } - - xfree(pexpr); - - if (ok) { - yaz_log(YLOG_DEBUG, "Got it"); - return xpe->termlists; - } else { - return NULL; - } -} - -/* use - 1 start element (tag) - 2 end element - 3 start attr (and attr-exact) - 4 end attr - - 1016 cdata - 1015 attr data - - *ostrich* - - Now, if there is a matching xelm described in abs, for the - indexed element or the attribute, then the data is handled according - to those definitions... - - modified by pop, 2002-12-13 -*/ - -/* add xpath index for an attribute */ -static void index_xpath_attr (char *tag_path, char *name, char *value, - char *structure, struct recExtractCtrl *p, - RecWord *wrd) -{ - wrd->index_name = ZEBRA_XPATH_ELM_BEGIN; - wrd->index_type = '0'; - wrd->term_buf = tag_path; - wrd->term_len = strlen(tag_path); - (*p->tokenAdd)(wrd); - - if (value) { - wrd->index_name = ZEBRA_XPATH_ATTR_CDATA; - wrd->index_type = 'w'; - wrd->term_buf = value; - wrd->term_len = strlen(value); - (*p->tokenAdd)(wrd); - } - wrd->index_name = ZEBRA_XPATH_ELM_END; - wrd->index_type = '0'; - wrd->term_buf = tag_path; - wrd->term_len = strlen(tag_path); - (*p->tokenAdd)(wrd); -} - - -static void mk_tag_path_full(char *tag_path_full, size_t max, data1_node *n) -{ - size_t flen = 0; - data1_node *nn; - - /* we have to fetch the whole path to the data tag */ - for (nn = n; nn; nn = nn->parent) - { - if (nn->which == DATA1N_tag) - { - size_t tlen = strlen(nn->u.tag.tag); - if (tlen + flen > (max - 2)) - break; - memcpy (tag_path_full + flen, nn->u.tag.tag, tlen); - flen += tlen; - tag_path_full[flen++] = '/'; - } - else - if (nn->which == DATA1N_root) - break; - } - tag_path_full[flen] = 0; -} - - -static void index_xpath(struct source_parser *sp, data1_node *n, - struct recExtractCtrl *p, - int level, RecWord *wrd, - char *xpath_index, - int xpath_is_start - ) -{ - int i; - char tag_path_full[1024]; - int termlist_only = 1; - data1_termlist *tl; - int xpdone = 0; - if ((!n->root->u.root.absyn) || - (n->root->u.root.absyn->xpath_indexing == DATA1_XPATH_INDEXING_ENABLE)) { - termlist_only = 0; - } - - switch (n->which) - { - case DATA1N_data: - wrd->term_buf = n->u.data.data; - wrd->term_len = n->u.data.len; - xpdone = 0; - - mk_tag_path_full(tag_path_full, sizeof(tag_path_full), n); - - /* If we have a matching termlist... */ - if (n->root->u.root.absyn && - (tl = xpath_termlist_by_tagpath(tag_path_full, n))) - { - for (; tl; tl = tl->next) - { - /* need to copy recword because it may be changed */ - RecWord wrd_tl; - wrd->index_type = *tl->structure; - memcpy (&wrd_tl, wrd, sizeof(*wrd)); - if (tl->source) - sp_parse(sp, n, &wrd_tl, tl->source); - if (!tl->index_name) - { - /* this is the ! case, so structure is for the xpath index */ - wrd_tl.index_name = xpath_index; - if (p->flagShowRecords) - { - int i; - printf("%*sXPath index", (level + 1) * 4, ""); - printf (" XData:\""); - for (i = 0; i 40) - printf (" ..."); - fputc ('\n', stdout); - } - else - (*p->tokenAdd)(&wrd_tl); - xpdone = 1; - } else { - /* this is just the old fashioned attribute based index */ - wrd_tl.index_name = tl->index_name; - if (p->flagShowRecords) - { - int i; - printf("%*sIdx: [%s]", (level + 1) * 4, "", - tl->structure); - printf("%s %s", tl->index_name, tl->source); - printf (" XData:\""); - for (i = 0; i 40) - printf (" ..."); - fputc ('\n', stdout); - } - else - (*p->tokenAdd)(&wrd_tl); - } - } - } - /* xpath indexing is done, if there was no termlist given, - or no ! in the termlist, and default indexing is enabled... */ - if (!p->flagShowRecords && !xpdone && !termlist_only) - { - wrd->index_name = xpath_index; - wrd->index_type = 'w'; - (*p->tokenAdd)(wrd); - } - break; - case DATA1N_tag: - mk_tag_path_full(tag_path_full, sizeof(tag_path_full), n); - - wrd->index_type = '0'; - wrd->term_buf = tag_path_full; - wrd->term_len = strlen(tag_path_full); - wrd->index_name = xpath_index; - if (p->flagShowRecords) - { - printf("%*s tag=", (level + 1) * 4, ""); - for (i = 0; iterm_len && i < 40; i++) - fputc (wrd->term_buf[i], stdout); - if (i == 40) - printf (" .."); - printf("\n"); - } - else - { - data1_xattr *xp; - data1_termlist *tl; - int do_xpindex; - - /* Add tag start/end xpath index, only when there is a ! in - the apropriate xelm directive, or default xpath indexing - is enabled - */ - if (!(do_xpindex = 1 - termlist_only)) - { - if ((tl = xpath_termlist_by_tagpath(tag_path_full, n))) - { - for (; tl; tl = tl->next) - { - if (!tl->index_name) - do_xpindex = 1; - } - } - } - if (do_xpindex) { - (*p->tokenAdd)(wrd); /* index element pag (AKA tag path) */ - } - - if (xpath_is_start == 1) /* only for the starting tag... */ - { -#define MAX_ATTR_COUNT 50 - data1_termlist *tll[MAX_ATTR_COUNT]; - - int i = 0; - - /* get termlists for attributes, and find out, if we have to do xpath indexing */ - for (xp = n->u.tag.attributes; xp; xp = xp->next) { - i++; - } - - i = 0; - for (xp = n->u.tag.attributes; xp; xp = xp->next) { - char comb[512]; - int do_xpindex = 1 - termlist_only; - data1_termlist *tl; - char attr_tag_path_full[1024]; - - /* this could be cached as well */ - sprintf (attr_tag_path_full, "@%s/%s", - xp->name, tag_path_full); - - tll[i] = xpath_termlist_by_tagpath(attr_tag_path_full,n); - - /* if there is a ! in the xelm termlist, or default indexing is on, - proceed with xpath idx */ - if ((tl = tll[i])) - { - for (; tl; tl = tl->next) - { - if (!tl->index_name) - do_xpindex = 1; - } - } - - if (do_xpindex) { - - /* attribute (no value) */ - wrd->index_type = '0'; - wrd->index_name = ZEBRA_XPATH_ATTR_NAME; - wrd->term_buf = xp->name; - wrd->term_len = strlen(xp->name); - - wrd->seqno--; - (*p->tokenAdd)(wrd); - - if (xp->value && - strlen(xp->name) + strlen(xp->value) < sizeof(comb)-2) { - - /* attribute value exact */ - strcpy (comb, xp->name); - strcat (comb, "="); - strcat (comb, xp->value); - - wrd->index_name = ZEBRA_XPATH_ATTR_NAME; - wrd->index_type = '0'; - wrd->term_buf = comb; - wrd->term_len = strlen(comb); - wrd->seqno--; - - (*p->tokenAdd)(wrd); - } - } - i++; - } - - i = 0; - for (xp = n->u.tag.attributes; xp; xp = xp->next) { - data1_termlist *tl; - char attr_tag_path_full[1024]; - int xpdone = 0; - - sprintf (attr_tag_path_full, "@%s/%s", - xp->name, tag_path_full); - - if ((tl = tll[i])) - { - /* If there is a termlist given (=xelm directive) */ - for (; tl; tl = tl->next) - { - if (!tl->index_name) - { - /* add xpath index for the attribute */ - index_xpath_attr (attr_tag_path_full, xp->name, - xp->value, tl->structure, - p, wrd); - xpdone = 1; - } else { - /* index attribute value (only path/@attr) */ - if (xp->value) - { - wrd->index_name = tl->index_name; - wrd->index_type = *tl->structure; - wrd->term_buf = xp->value; - wrd->term_len = strlen(xp->value); - (*p->tokenAdd)(wrd); - } - } - } - } - /* if there was no termlist for the given path, - or the termlist didn't have a ! element, index - the attribute as "w" */ - if ((!xpdone) && (!termlist_only)) - { - index_xpath_attr (attr_tag_path_full, xp->name, - xp->value, "w", p, wrd); - } - i++; - } - } - } - } -} - -static void index_termlist (struct source_parser *sp, data1_node *par, - data1_node *n, - struct recExtractCtrl *p, int level, RecWord *wrd) -{ - data1_termlist *tlist = 0; - data1_datatype dtype = DATA1K_string; - - /* - * cycle up towards the root until we find a tag with an att.. - * this has the effect of indexing locally defined tags with - * the attribute of their ancestor in the record. - */ - - while (!par->u.tag.element) - if (!par->parent || !(par=get_parent_tag(p->dh, par->parent))) - break; - if (!par || !(tlist = par->u.tag.element->termlists)) - return; - if (par->u.tag.element->tag) - dtype = par->u.tag.element->tag->kind; - - for (; tlist; tlist = tlist->next) - { - /* consider source */ - wrd->term_buf = 0; - assert(tlist->source); - sp_parse(sp, n, wrd, tlist->source); - - if (wrd->term_buf && wrd->term_len) - { - if (p->flagShowRecords) - { - int i; - printf("%*sIdx: [%s]", (level + 1) * 4, "", - tlist->structure); - printf("%s %s", tlist->index_name, tlist->source); - printf (" XData:\""); - for (i = 0; iterm_len && i < 40; i++) - fputc (wrd->term_buf[i], stdout); - fputc ('"', stdout); - if (wrd->term_len > 40) - printf (" ..."); - fputc ('\n', stdout); - } - else - { - wrd->index_type = *tlist->structure; - wrd->index_name = tlist->index_name; - (*p->tokenAdd)(wrd); - } - } - } -} - -static int dumpkeys_r(struct source_parser *sp, - data1_node *n, struct recExtractCtrl *p, int level, - RecWord *wrd) -{ - for (; n; n = n->next) - { - if (p->flagShowRecords) /* display element description to user */ - { - if (n->which == DATA1N_root) - { - printf("%*s", level * 4, ""); - printf("Record type: '%s'\n", n->u.root.type); - } - else if (n->which == DATA1N_tag) - { - data1_element *e; - - printf("%*s", level * 4, ""); - if (!(e = n->u.tag.element)) - printf("Local tag: '%s'\n", n->u.tag.tag); - else - { - printf("Elm: '%s' ", e->name); - if (e->tag) - { - data1_tag *t = e->tag; - - printf("TagNam: '%s' ", t->names->name); - printf("("); - if (t->tagset) - printf("%s[%d],", t->tagset->name, t->tagset->type); - else - printf("?,"); - if (t->which == DATA1T_numeric) - printf("%d)", t->value.numeric); - else - printf("'%s')", t->value.string); - } - printf("\n"); - } - } - } - - if (n->which == DATA1N_tag) - { - index_termlist(sp, n, n, p, level, wrd); - /* index start tag */ - if (n->root->u.root.absyn) - index_xpath(sp, n, p, level, wrd, ZEBRA_XPATH_ELM_BEGIN, - 1 /* is start */); - } - - if (n->child) - if (dumpkeys_r(sp, n->child, p, level + 1, wrd) < 0) - return -1; - - - if (n->which == DATA1N_data) - { - data1_node *par = get_parent_tag(p->dh, n); - - if (p->flagShowRecords) - { - printf("%*s", level * 4, ""); - printf("Data: "); - if (n->u.data.len > 256) - printf("'%.170s ... %.70s'\n", n->u.data.data, - n->u.data.data + n->u.data.len-70); - else if (n->u.data.len > 0) - printf("'%.*s'\n", n->u.data.len, n->u.data.data); - else - printf("NULL\n"); - } - - if (par) - index_termlist(sp, par, n, p, level, wrd); - - index_xpath(sp, n, p, level, wrd, ZEBRA_XPATH_CDATA, - 0 /* is start */); - } - - if (n->which == DATA1N_tag) - { - /* index end tag */ - index_xpath(sp, n, p, level, wrd, ZEBRA_XPATH_ELM_END, - 0 /* is start */); - } - - if (p->flagShowRecords && n->which == DATA1N_root) - { - printf("%*s-------------\n\n", level * 4, ""); - } - } - return 0; -} - -static int dumpkeys(data1_node *n, struct recExtractCtrl *p, RecWord *wrd) -{ - struct source_parser *sp = source_parser_create(); - int r = dumpkeys_r(sp, n, p, 0, wrd); - source_parser_destroy(sp); - return r; -} - -int grs_extract_tree(struct recExtractCtrl *p, data1_node *n) -{ - oident oe; - int oidtmp[OID_SIZE]; - RecWord wrd; - - oe.proto = PROTO_Z3950; - oe.oclass = CLASS_SCHEMA; - if (n->u.root.absyn) - { - oe.value = n->u.root.absyn->reference; - - if ((oid_ent_to_oid (&oe, oidtmp))) - (*p->schemaAdd)(p, oidtmp); - } - (*p->init)(p, &wrd); - - return dumpkeys(n, p, &wrd); -} - -static int grs_extract_sub(void *clientData, struct recExtractCtrl *p, - NMEM mem, - data1_node *(*grs_read)(struct grs_read_info *)) -{ - data1_node *n; - struct grs_read_info gri; - oident oe; - int oidtmp[OID_SIZE]; - RecWord wrd; - - gri.readf = p->readf; - gri.seekf = p->seekf; - gri.tellf = p->tellf; - gri.endf = p->endf; - gri.fh = p->fh; - gri.offset = p->offset; - gri.mem = mem; - gri.dh = p->dh; - gri.clientData = clientData; - - n = (*grs_read)(&gri); - if (!n) - return RECCTRL_EXTRACT_EOF; - oe.proto = PROTO_Z3950; - oe.oclass = CLASS_SCHEMA; -#if 0 - if (!n->u.root.absyn) - return RECCTRL_EXTRACT_ERROR; -#endif - if (n->u.root.absyn) - { - oe.value = n->u.root.absyn->reference; - if ((oid_ent_to_oid (&oe, oidtmp))) - (*p->schemaAdd)(p, oidtmp); - } - data1_concat_text(p->dh, mem, n); - - /* ensure our data1 tree is UTF-8 */ - data1_iconv (p->dh, mem, n, "UTF-8", data1_get_encoding(p->dh, n)); - -#if 0 - data1_pr_tree (p->dh, n, stdout); -#endif - - (*p->init)(p, &wrd); - if (dumpkeys(n, p, &wrd) < 0) - { - data1_free_tree(p->dh, n); - return RECCTRL_EXTRACT_ERROR_GENERIC; - } - data1_free_tree(p->dh, n); - return RECCTRL_EXTRACT_OK; -} - -int zebra_grs_extract(void *clientData, struct recExtractCtrl *p, - data1_node *(*grs_read)(struct grs_read_info *)) -{ - int ret; - NMEM mem = nmem_create (); - ret = grs_extract_sub(clientData, p, mem, grs_read); - nmem_destroy(mem); - return ret; -} - -/* - * Return: -1: Nothing done. 0: Ok. >0: Bib-1 diagnostic. - */ -static int process_comp(data1_handle dh, data1_node *n, Z_RecordComposition *c, - char **addinfo, ODR o) -{ - data1_esetname *eset; - Z_Espec1 *espec = 0; - Z_ElementSpec *p; - - switch (c->which) - { - case Z_RecordComp_simple: - if (c->u.simple->which != Z_ElementSetNames_generic) - return 26; /* only generic form supported. Fix this later */ - if (!(eset = data1_getesetbyname(dh, n->u.root.absyn, - c->u.simple->u.generic))) - { - yaz_log(YLOG_LOG, "Unknown esetname '%s'", c->u.simple->u.generic); - *addinfo = odr_strdup(o, c->u.simple->u.generic); - return 25; /* invalid esetname */ - } - yaz_log(YLOG_DEBUG, "Esetname '%s' in simple compspec", - c->u.simple->u.generic); - espec = eset->spec; - break; - case Z_RecordComp_complex: - if (c->u.complex->generic) - { - /* insert check for schema */ - if ((p = c->u.complex->generic->elementSpec)) - { - switch (p->which) - { - case Z_ElementSpec_elementSetName: - if (!(eset = - data1_getesetbyname(dh, n->u.root.absyn, - p->u.elementSetName))) - { - yaz_log(YLOG_DEBUG, "Unknown esetname '%s'", - p->u.elementSetName); - *addinfo = odr_strdup(o, p->u.elementSetName); - return 25; /* invalid esetname */ - } - yaz_log(YLOG_DEBUG, "Esetname '%s' in complex compspec", - p->u.elementSetName); - espec = eset->spec; - break; - case Z_ElementSpec_externalSpec: - if (p->u.externalSpec->which == Z_External_espec1) - { - yaz_log(YLOG_DEBUG, "Got Espec-1"); - espec = p->u.externalSpec-> u.espec1; - } - else - { - yaz_log(YLOG_LOG, "Unknown external espec."); - return 25; /* bad. what is proper diagnostic? */ - } - break; - } - } - } - else - return 26; /* fix */ - } - if (espec) - { - yaz_log(YLOG_DEBUG, "Element: Espec-1 match"); - return data1_doespec1(dh, n, espec); - } - else - { - yaz_log(YLOG_DEBUG, "Element: all match"); - return -1; - } -} - -/* Add Zebra info in separate namespace ... - - 359 - 447 - records/genera.xml - - -*/ - -static void zebra_xml_metadata (struct recRetrieveCtrl *p, data1_node *top, - NMEM mem) -{ - const char *idzebra_ns[3]; - const char *i2 = "\n "; - const char *i4 = "\n "; - data1_node *n; - - idzebra_ns[0] = "xmlns"; - idzebra_ns[1] = "http://www.indexdata.dk/zebra/"; - idzebra_ns[2] = 0; - - data1_mk_text (p->dh, mem, i2, top); - - n = data1_mk_tag (p->dh, mem, "idzebra", idzebra_ns, top); - - data1_mk_text (p->dh, mem, "\n", top); - - data1_mk_text (p->dh, mem, i4, n); - - data1_mk_tag_data_int (p->dh, n, "size", p->recordSize, mem); - - if (p->score != -1) - { - data1_mk_text (p->dh, mem, i4, n); - data1_mk_tag_data_int (p->dh, n, "score", p->score, mem); - } - data1_mk_text (p->dh, mem, i4, n); - data1_mk_tag_data_zint (p->dh, n, "localnumber", p->localno, mem); - if (p->fname) - { - data1_mk_text (p->dh, mem, i4, n); - data1_mk_tag_data_text(p->dh, n, "filename", p->fname, mem); - } - data1_mk_text (p->dh, mem, i2, n); -} - -int zebra_grs_retrieve(void *clientData, struct recRetrieveCtrl *p, - data1_node *(*grs_read)(struct grs_read_info *)) -{ - data1_node *node = 0, *onode = 0, *top; - data1_node *dnew; - data1_maptab *map; - int res, selected = 0; - NMEM mem; - struct grs_read_info gri; - const char *tagname; - - int requested_schema = VAL_NONE; - data1_marctab *marctab; - int dummy; - - mem = nmem_create(); - gri.readf = p->readf; - gri.seekf = p->seekf; - gri.tellf = p->tellf; - gri.endf = NULL; - gri.fh = p->fh; - gri.offset = 0; - gri.mem = mem; - gri.dh = p->dh; - gri.clientData = clientData; - - yaz_log(YLOG_DEBUG, "grs_retrieve"); - node = (*grs_read)(&gri); - if (!node) - { - p->diagnostic = 14; - nmem_destroy (mem); - return 0; - } - data1_concat_text(p->dh, mem, node); - -#if 0 - data1_pr_tree (p->dh, node, stdout); -#endif - top = data1_get_root_tag (p->dh, node); - - yaz_log(YLOG_DEBUG, "grs_retrieve: size"); - tagname = data1_systag_lookup(node->u.root.absyn, "size", "size"); - if (tagname && - (dnew = data1_mk_tag_data_wd(p->dh, top, tagname, mem))) - { - dnew->u.data.what = DATA1I_text; - dnew->u.data.data = dnew->lbuf; - sprintf(dnew->u.data.data, "%d", p->recordSize); - dnew->u.data.len = strlen(dnew->u.data.data); - } - - tagname = data1_systag_lookup(node->u.root.absyn, "rank", "rank"); - if (tagname && p->score >= 0 && - (dnew = data1_mk_tag_data_wd(p->dh, top, tagname, mem))) - { - yaz_log(YLOG_DEBUG, "grs_retrieve: %s", tagname); - dnew->u.data.what = DATA1I_num; - dnew->u.data.data = dnew->lbuf; - sprintf(dnew->u.data.data, "%d", p->score); - dnew->u.data.len = strlen(dnew->u.data.data); - } - - tagname = data1_systag_lookup(node->u.root.absyn, "sysno", - "localControlNumber"); - if (tagname && p->localno > 0 && - (dnew = data1_mk_tag_data_wd(p->dh, top, tagname, mem))) - { - yaz_log(YLOG_DEBUG, "grs_retrieve: %s", tagname); - dnew->u.data.what = DATA1I_text; - dnew->u.data.data = dnew->lbuf; - - sprintf(dnew->u.data.data, ZINT_FORMAT, p->localno); - dnew->u.data.len = strlen(dnew->u.data.data); - } - - if (p->input_format == VAL_TEXT_XML) - zebra_xml_metadata (p, top, mem); - -#if 0 - data1_pr_tree (p->dh, node, stdout); -#endif - if (p->comp && p->comp->which == Z_RecordComp_complex && - p->comp->u.complex->generic && - p->comp->u.complex->generic->which == Z_Schema_oid && - p->comp->u.complex->generic->schema.oid) - { - oident *oe = oid_getentbyoid (p->comp->u.complex->generic->schema.oid); - if (oe) - requested_schema = oe->value; - } - /* If schema has been specified, map if possible, then check that - * we got the right one - */ - if (requested_schema != VAL_NONE) - { - yaz_log(YLOG_DEBUG, "grs_retrieve: schema mapping"); - for (map = node->u.root.absyn->maptabs; map; map = map->next) - { - if (map->target_absyn_ref == requested_schema) - { - onode = node; - if (!(node = data1_map_record(p->dh, onode, map, mem))) - { - p->diagnostic = 14; - nmem_destroy (mem); - return 0; - } - break; - } - } - if (node->u.root.absyn && - requested_schema != node->u.root.absyn->reference) - { - p->diagnostic = 238; - nmem_destroy (mem); - return 0; - } - } - /* - * Does the requested format match a known syntax-mapping? (this reflects - * the overlap of schema and formatting which is inherent in the MARC - * family) - */ - yaz_log(YLOG_DEBUG, "grs_retrieve: syntax mapping"); - if (node->u.root.absyn) - for (map = node->u.root.absyn->maptabs; map; map = map->next) - { - if (map->target_absyn_ref == p->input_format) - { - onode = node; - if (!(node = data1_map_record(p->dh, onode, map, mem))) - { - p->diagnostic = 14; - nmem_destroy (mem); - return 0; - } - break; - } - } - yaz_log(YLOG_DEBUG, "grs_retrieve: schemaIdentifier"); - if (node->u.root.absyn && - node->u.root.absyn->reference != VAL_NONE && - p->input_format == VAL_GRS1) - { - oident oe; - Odr_oid *oid; - int oidtmp[OID_SIZE]; - - oe.proto = PROTO_Z3950; - oe.oclass = CLASS_SCHEMA; - oe.value = node->u.root.absyn->reference; - - if ((oid = oid_ent_to_oid (&oe, oidtmp))) - { - char tmp[128]; - data1_handle dh = p->dh; - char *p = tmp; - int *ii; - - for (ii = oid; *ii >= 0; ii++) - { - if (p != tmp) - *(p++) = '.'; - sprintf(p, "%d", *ii); - p += strlen(p); - } - if ((dnew = data1_mk_tag_data_wd(dh, top, - "schemaIdentifier", mem))) - { - dnew->u.data.what = DATA1I_oid; - dnew->u.data.data = (char *) nmem_malloc(mem, p - tmp); - memcpy(dnew->u.data.data, tmp, p - tmp); - dnew->u.data.len = p - tmp; - } - } - } - - yaz_log(YLOG_DEBUG, "grs_retrieve: element spec"); - if (p->comp && (res = process_comp(p->dh, node, p->comp, &p->addinfo, - p->odr)) > 0) - { - p->diagnostic = res; - if (onode) - data1_free_tree(p->dh, onode); - data1_free_tree(p->dh, node); - nmem_destroy(mem); - return 0; - } - else if (p->comp && !res) - selected = 1; - -#if 0 - data1_pr_tree (p->dh, node, stdout); -#endif - yaz_log(YLOG_DEBUG, "grs_retrieve: transfer syntax mapping"); - switch (p->output_format = (p->input_format != VAL_NONE ? - p->input_format : VAL_SUTRS)) - { - case VAL_TEXT_XML: -#if 0 - data1_pr_tree (p->dh, node, stdout); -#endif - /* default output encoding for XML is UTF-8 */ - data1_iconv (p->dh, mem, node, - p->encoding ? p->encoding : "UTF-8", - data1_get_encoding(p->dh, node)); - - if (!(p->rec_buf = data1_nodetoidsgml(p->dh, node, selected, - &p->rec_len))) - p->diagnostic = 238; - else - { - char *new_buf = (char*) odr_malloc (p->odr, p->rec_len); - memcpy (new_buf, p->rec_buf, p->rec_len); - p->rec_buf = new_buf; - } - break; - case VAL_GRS1: - data1_iconv (p->dh, mem, node, "UTF-8", data1_get_encoding(p->dh, node)); - dummy = 0; - if (!(p->rec_buf = data1_nodetogr(p->dh, node, selected, - p->odr, &dummy))) - p->diagnostic = 238; /* not available in requested syntax */ - else - p->rec_len = -1; - break; - case VAL_EXPLAIN: - /* ensure our data1 tree is UTF-8 */ - data1_iconv (p->dh, mem, node, "UTF-8", data1_get_encoding(p->dh, node)); - - if (!(p->rec_buf = data1_nodetoexplain(p->dh, node, selected, - p->odr))) - p->diagnostic = 238; - else - p->rec_len = -1; - break; - case VAL_SUMMARY: - /* ensure our data1 tree is UTF-8 */ - data1_iconv (p->dh, mem, node, "UTF-8", data1_get_encoding(p->dh, node)); - if (!(p->rec_buf = data1_nodetosummary(p->dh, node, selected, - p->odr))) - p->diagnostic = 238; - else - p->rec_len = -1; - break; - case VAL_SUTRS: - if (p->encoding) - data1_iconv (p->dh, mem, node, p->encoding, - data1_get_encoding(p->dh, node)); - if (!(p->rec_buf = data1_nodetobuf(p->dh, node, selected, - &p->rec_len))) - p->diagnostic = 238; - else - { - char *new_buf = (char*) odr_malloc (p->odr, p->rec_len); - memcpy (new_buf, p->rec_buf, p->rec_len); - p->rec_buf = new_buf; - } - break; - case VAL_SOIF: - if (p->encoding) - data1_iconv (p->dh, mem, node, p->encoding, - data1_get_encoding(p->dh, node)); - if (!(p->rec_buf = data1_nodetosoif(p->dh, node, selected, - &p->rec_len))) - p->diagnostic = 238; - else - { - char *new_buf = (char*) odr_malloc (p->odr, p->rec_len); - memcpy (new_buf, p->rec_buf, p->rec_len); - p->rec_buf = new_buf; - } - break; - default: - if (!node->u.root.absyn) - { - p->diagnostic = 238; - break; - } - for (marctab = node->u.root.absyn->marc; marctab; - marctab = marctab->next) - if (marctab->reference == p->input_format) - break; - if (!marctab) - { - p->diagnostic = 238; - break; - } - if (p->encoding) - data1_iconv (p->dh, mem, node, p->encoding, - data1_get_encoding(p->dh, node)); - if (!(p->rec_buf = data1_nodetomarc(p->dh, marctab, node, - selected, &p->rec_len))) - p->diagnostic = 238; - else - { - char *new_buf = (char*) odr_malloc (p->odr, p->rec_len); - memcpy (new_buf, p->rec_buf, p->rec_len); - p->rec_buf = new_buf; - } - } - if (node) - data1_free_tree(p->dh, node); - if (onode) - data1_free_tree(p->dh, onode); - nmem_destroy(mem); - return 0; -} - -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/rectext.c b/recctrl/rectext.c deleted file mode 100644 index ba618d6..0000000 --- a/recctrl/rectext.c +++ /dev/null @@ -1,265 +0,0 @@ -/* $Id: rectext.c,v 1.31 2006-05-10 08:13:30 adam Exp $ - Copyright (C) 1995-2005 - Index Data ApS - -This file is part of the Zebra server. - -Zebra is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -Zebra is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with Zebra; see the file LICENSE.zebra. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. -*/ - - -#include -#include -#include - -#include -#include - -struct filter_info { - char *sep; -}; - -static void *filter_init (Res res, RecType recType) -{ - struct filter_info *tinfo = (struct filter_info *) xmalloc(sizeof(*tinfo)); - tinfo->sep = 0; - return tinfo; -} - -static ZEBRA_RES filter_config(void *clientData, Res res, const char *args) -{ - struct filter_info *tinfo = (struct filter_info*) clientData; - xfree(tinfo->sep); - tinfo->sep = 0; - if (args && *args) - tinfo->sep = xstrdup(args); - return ZEBRA_OK; -} - -static void filter_destroy (void *clientData) -{ - struct filter_info *tinfo = clientData; - xfree (tinfo->sep); - xfree (tinfo); -} - -struct buf_info { - struct recExtractCtrl *p; - char *buf; - int offset; - int max; -}; - -static struct buf_info *buf_open (struct recExtractCtrl *p) -{ - struct buf_info *fi = (struct buf_info *) xmalloc (sizeof(*fi)); - - fi->p = p; - fi->buf = (char *) xmalloc (4096); - fi->offset = 1; - fi->max = 1; - return fi; -} - -static int buf_getchar (struct filter_info *tinfo, struct buf_info *fi, char *dst) -{ - if (fi->offset >= fi->max) - { - if (fi->max <= 0) - return 0; - fi->max = (*fi->p->readf)(fi->p->fh, fi->buf, 4096); - fi->offset = 0; - if (fi->max <= 0) - return 0; - } - *dst = fi->buf[(fi->offset)++]; - if (tinfo->sep && *dst == *tinfo->sep) - { - off_t off = (*fi->p->tellf)(fi->p->fh); - (*fi->p->endf)(fi->p->fh, off - (fi->max - fi->offset)); - return 0; - } - return 1; -} - -static void buf_close (struct buf_info *fi) -{ - xfree (fi->buf); - xfree (fi); -} - -static int filter_extract (void *clientData, struct recExtractCtrl *p) -{ - struct filter_info *tinfo = clientData; - char w[512]; - RecWord recWord; - int r; - struct buf_info *fi = buf_open (p); - int no_read = 0; - -#if 0 - yaz_log(YLOG_LOG, "filter_extract off=%ld", - (long) (*fi->p->tellf)(fi->p->fh)); -#endif - (*p->init)(p, &recWord); - do - { - int i = 0; - - r = buf_getchar (tinfo, fi, w); - while (r > 0 && i < 511 && w[i] != '\n' && w[i] != '\r') - { - i++; - r = buf_getchar (tinfo, fi, w + i); - } - if (i) - { - no_read += i; - recWord.term_buf = w; - recWord.term_len = i; - (*p->tokenAdd)(&recWord); - } - } while (r > 0); - buf_close (fi); - if (no_read == 0) - return RECCTRL_EXTRACT_EOF; - return RECCTRL_EXTRACT_OK; -} - -static int filter_retrieve (void *clientData, struct recRetrieveCtrl *p) -{ - int r, filter_ptr = 0; - static char *filter_buf = NULL; - static int filter_size = 0; - int make_header = 1; - int make_body = 1; - const char *elementSetName = NULL; - int no_lines = 0; - - if (p->comp && p->comp->which == Z_RecordComp_simple && - p->comp->u.simple->which == Z_ElementSetNames_generic) - elementSetName = p->comp->u.simple->u.generic; - - if (elementSetName) - { - /* don't make header for the R(aw) element set name */ - if (!strcmp(elementSetName, "R")) - { - make_header = 0; - make_body = 1; - } - /* only make header for the H(eader) element set name */ - else if (!strcmp(elementSetName, "H")) - { - make_header = 1; - make_body = 0; - } - } - while (1) - { - if (filter_ptr + 4096 >= filter_size) - { - char *nb; - - filter_size = 2*filter_size + 8192; - nb = (char *) xmalloc (filter_size); - if (filter_buf) - { - memcpy (nb, filter_buf, filter_ptr); - xfree (filter_buf); - } - filter_buf = nb; - } - if (make_header && filter_ptr == 0) - { - if (p->score >= 0) - { - sprintf (filter_buf, "Rank: %d\n", p->score); - filter_ptr = strlen(filter_buf); - } - sprintf (filter_buf + filter_ptr, "Local Number: " ZINT_FORMAT "\n", - p->localno); - filter_ptr = strlen(filter_buf); - if (p->fname) - { - sprintf (filter_buf + filter_ptr, "Filename: %s\n", p->fname); - filter_ptr = strlen(filter_buf); - } - strcpy(filter_buf+filter_ptr++, "\n"); - } - if (!make_body) - break; - r = (*p->readf)(p->fh, filter_buf + filter_ptr, 4096); - if (r <= 0) - break; - filter_ptr += r; - } - filter_buf[filter_ptr] = '\0'; - if (elementSetName) - { - if (!strcmp (elementSetName, "B")) - no_lines = 4; - if (!strcmp (elementSetName, "M")) - no_lines = 20; - } - if (no_lines) - { - char *p = filter_buf; - int i = 0; - - while (++i <= no_lines && (p = strchr (p, '\n'))) - p++; - if (p) - { - p[1] = '\0'; - filter_ptr = p-filter_buf; - } - } - p->output_format = VAL_SUTRS; - p->rec_buf = filter_buf; - p->rec_len = filter_ptr; - return 0; -} - -static struct recType filter_type = { - 0, - "text", - filter_init, - filter_config, - filter_destroy, - filter_extract, - filter_retrieve -}; - -RecType -#ifdef IDZEBRA_STATIC_TEXT -idzebra_filter_text -#else -idzebra_filter -#endif - -[] = { - &filter_type, - 0, -}; -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/regxread.c b/recctrl/regxread.c deleted file mode 100644 index c54e12a..0000000 --- a/recctrl/regxread.c +++ /dev/null @@ -1,2028 +0,0 @@ -/* $Id: regxread.c,v 1.62 2006-06-13 19:45:14 adam Exp $ - Copyright (C) 1995-2005 - Index Data ApS - -This file is part of the Zebra server. - -Zebra is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -Zebra is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with Zebra; see the file LICENSE.zebra. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. -*/ - -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#if HAVE_TCL_H -#include - -#if MAJOR_VERSION >= 8 -#define HAVE_TCL_OBJECTS -#endif -#endif - -#define REGX_DEBUG 0 - -#define F_WIN_EOF 2000000000 -#define F_WIN_READ 1 - -#define REGX_EOF 0 -#define REGX_PATTERN 1 -#define REGX_BODY 2 -#define REGX_BEGIN 3 -#define REGX_END 4 -#define REGX_CODE 5 -#define REGX_CONTEXT 6 -#define REGX_INIT 7 - -struct regxCode { - char *str; -#if HAVE_TCL_OBJECTS - Tcl_Obj *tcl_obj; -#endif -}; - -struct lexRuleAction { - int which; - union { - struct { - struct DFA *dfa; /* REGX_PATTERN */ - int body; - } pattern; - struct regxCode *code; /* REGX_CODE */ - } u; - struct lexRuleAction *next; -}; - -struct lexRuleInfo { - int no; - struct lexRuleAction *actionList; -}; - -struct lexRule { - struct lexRuleInfo info; - struct lexRule *next; -}; - -struct lexContext { - char *name; - struct DFA *dfa; - struct lexRule *rules; - struct lexRuleInfo **fastRule; - int ruleNo; - int initFlag; - - struct lexRuleAction *beginActionList; - struct lexRuleAction *endActionList; - struct lexRuleAction *initActionList; - struct lexContext *next; -}; - -struct lexConcatBuf { - int max; - char *buf; -}; - -struct lexSpec { - char *name; - struct lexContext *context; - - struct lexContext **context_stack; - int context_stack_size; - int context_stack_top; - - int lineNo; - NMEM m; - data1_handle dh; -#if HAVE_TCL_H - Tcl_Interp *tcl_interp; -#endif - void *f_win_fh; - void (*f_win_ef)(void *, off_t); - - int f_win_start; /* first byte of buffer is this file offset */ - int f_win_end; /* last byte of buffer is this offset - 1 */ - int f_win_size; /* size of buffer */ - char *f_win_buf; /* buffer itself */ - int (*f_win_rf)(void *, char *, size_t); - off_t (*f_win_sf)(void *, off_t); - - struct lexConcatBuf *concatBuf; - int maxLevel; - data1_node **d1_stack; - int d1_level; - int stop_flag; - - int *arg_start; - int *arg_end; - int arg_no; - int ptr; -}; - -struct lexSpecs { - struct lexSpec *spec; - char type[256]; -}; - -static char *f_win_get (struct lexSpec *spec, off_t start_pos, off_t end_pos, - int *size) -{ - int i, r, off = start_pos - spec->f_win_start; - - if (off >= 0 && end_pos <= spec->f_win_end) - { - *size = end_pos - start_pos; - return spec->f_win_buf + off; - } - if (off < 0 || start_pos >= spec->f_win_end) - { - (*spec->f_win_sf)(spec->f_win_fh, start_pos); - spec->f_win_start = start_pos; - - if (!spec->f_win_buf) - spec->f_win_buf = (char *) xmalloc (spec->f_win_size); - *size = (*spec->f_win_rf)(spec->f_win_fh, spec->f_win_buf, - spec->f_win_size); - spec->f_win_end = spec->f_win_start + *size; - - if (*size > end_pos - start_pos) - *size = end_pos - start_pos; - return spec->f_win_buf; - } - for (i = 0; if_win_end - start_pos; i++) - spec->f_win_buf[i] = spec->f_win_buf[i + off]; - r = (*spec->f_win_rf)(spec->f_win_fh, - spec->f_win_buf + i, - spec->f_win_size - i); - spec->f_win_start = start_pos; - spec->f_win_end += r; - *size = i + r; - if (*size > end_pos - start_pos) - *size = end_pos - start_pos; - return spec->f_win_buf; -} - -static int f_win_advance (struct lexSpec *spec, int *pos) -{ - int size; - char *buf; - - if (*pos >= spec->f_win_start && *pos < spec->f_win_end) - return spec->f_win_buf[(*pos)++ - spec->f_win_start]; - if (*pos == F_WIN_EOF) - return 0; - buf = f_win_get (spec, *pos, *pos+1, &size); - if (size == 1) - { - (*pos)++; - return *buf; - } - *pos = F_WIN_EOF; - return 0; -} - -static void regxCodeDel (struct regxCode **pp) -{ - struct regxCode *p = *pp; - if (p) - { -#if HAVE_TCL_OBJECTS - if (p->tcl_obj) - Tcl_DecrRefCount (p->tcl_obj); -#endif - xfree (p->str); - xfree (p); - *pp = NULL; - } -} - -static void regxCodeMk (struct regxCode **pp, const char *buf, int len) -{ - struct regxCode *p; - - p = (struct regxCode *) xmalloc (sizeof(*p)); - p->str = (char *) xmalloc (len+1); - memcpy (p->str, buf, len); - p->str[len] = '\0'; -#if HAVE_TCL_OBJECTS - p->tcl_obj = Tcl_NewStringObj ((char *) buf, len); - if (p->tcl_obj) - Tcl_IncrRefCount (p->tcl_obj); -#endif - *pp = p; -} - -static struct DFA *lexSpecDFA (void) -{ - struct DFA *dfa; - - dfa = dfa_init (); - dfa_parse_cmap_del (dfa, ' '); - dfa_parse_cmap_del (dfa, '\t'); - dfa_parse_cmap_add (dfa, '/', 0); - return dfa; -} - -static void actionListDel (struct lexRuleAction **rap) -{ - struct lexRuleAction *ra1, *ra; - - for (ra = *rap; ra; ra = ra1) - { - ra1 = ra->next; - switch (ra->which) - { - case REGX_PATTERN: - dfa_delete (&ra->u.pattern.dfa); - break; - case REGX_CODE: - regxCodeDel (&ra->u.code); - break; - } - xfree (ra); - } - *rap = NULL; -} - -static struct lexContext *lexContextCreate (const char *name) -{ - struct lexContext *p = (struct lexContext *) xmalloc (sizeof(*p)); - - p->name = xstrdup (name); - p->ruleNo = 1; - p->initFlag = 0; - p->dfa = lexSpecDFA (); - p->rules = NULL; - p->fastRule = NULL; - p->beginActionList = NULL; - p->endActionList = NULL; - p->initActionList = NULL; - p->next = NULL; - return p; -} - -static void lexContextDestroy (struct lexContext *p) -{ - struct lexRule *rp, *rp1; - - dfa_delete (&p->dfa); - xfree (p->fastRule); - for (rp = p->rules; rp; rp = rp1) - { - rp1 = rp->next; - actionListDel (&rp->info.actionList); - xfree (rp); - } - actionListDel (&p->beginActionList); - actionListDel (&p->endActionList); - actionListDel (&p->initActionList); - xfree (p->name); - xfree (p); -} - -static struct lexSpec *lexSpecCreate (const char *name, data1_handle dh) -{ - struct lexSpec *p; - int i; - - p = (struct lexSpec *) xmalloc (sizeof(*p)); - p->name = (char *) xmalloc (strlen(name)+1); - strcpy (p->name, name); - -#if HAVE_TCL_H - p->tcl_interp = 0; -#endif - p->dh = dh; - p->context = NULL; - p->context_stack_size = 100; - p->context_stack = (struct lexContext **) - xmalloc (sizeof(*p->context_stack) * p->context_stack_size); - p->f_win_buf = NULL; - - p->maxLevel = 128; - p->concatBuf = (struct lexConcatBuf *) - xmalloc (sizeof(*p->concatBuf) * p->maxLevel); - for (i = 0; i < p->maxLevel; i++) - { - p->concatBuf[i].max = 0; - p->concatBuf[i].buf = 0; - } - p->d1_stack = (data1_node **) xmalloc (sizeof(*p->d1_stack) * p->maxLevel); - p->d1_level = 0; - return p; -} - -static void lexSpecDestroy (struct lexSpec **pp) -{ - struct lexSpec *p; - struct lexContext *lt; - int i; - - assert (pp); - p = *pp; - if (!p) - return ; - - for (i = 0; i < p->maxLevel; i++) - xfree (p->concatBuf[i].buf); - xfree (p->concatBuf); - - lt = p->context; - while (lt) - { - struct lexContext *lt_next = lt->next; - lexContextDestroy (lt); - lt = lt_next; - } -#if HAVE_TCL_OBJECTS - if (p->tcl_interp) - Tcl_DeleteInterp (p->tcl_interp); -#endif - xfree (p->name); - xfree (p->f_win_buf); - xfree (p->context_stack); - xfree (p->d1_stack); - xfree (p); - *pp = NULL; -} - -static int readParseToken (const char **cpp, int *len) -{ - const char *cp = *cpp; - char cmd[32]; - int i, level; - - while (*cp == ' ' || *cp == '\t' || *cp == '\n' || *cp == '\r') - cp++; - switch (*cp) - { - case '\0': - return 0; - case '/': - *cpp = cp+1; - return REGX_PATTERN; - case '{': - *cpp = cp+1; - level = 1; - while (*++cp) - { - if (*cp == '{') - level++; - else if (*cp == '}') - { - level--; - if (level == 0) - break; - } - } - *len = cp - *cpp; - return REGX_CODE; - default: - i = 0; - while (1) - { - if (*cp >= 'a' && *cp <= 'z') - cmd[i] = *cp; - else if (*cp >= 'A' && *cp <= 'Z') - cmd[i] = *cp + 'a' - 'A'; - else - break; - if (i < (int) sizeof(cmd)-2) - i++; - cp++; - } - cmd[i] = '\0'; - if (i == 0) - { - yaz_log (YLOG_WARN, "bad character %d %c", *cp, *cp); - cp++; - while (*cp && *cp != ' ' && *cp != '\t' && - *cp != '\n' && *cp != '\r') - cp++; - *cpp = cp; - return 0; - } - *cpp = cp; - if (!strcmp (cmd, "begin")) - return REGX_BEGIN; - else if (!strcmp (cmd, "end")) - return REGX_END; - else if (!strcmp (cmd, "body")) - return REGX_BODY; - else if (!strcmp (cmd, "context")) - return REGX_CONTEXT; - else if (!strcmp (cmd, "init")) - return REGX_INIT; - else - { - yaz_log (YLOG_WARN, "bad command %s", cmd); - return 0; - } - } -} - -static int actionListMk (struct lexSpec *spec, const char *s, - struct lexRuleAction **ap) -{ - int r, tok, len; - int bodyMark = 0; - const char *s0; - - while ((tok = readParseToken (&s, &len))) - { - switch (tok) - { - case REGX_BODY: - bodyMark = 1; - continue; - case REGX_CODE: - *ap = (struct lexRuleAction *) xmalloc (sizeof(**ap)); - (*ap)->which = tok; - regxCodeMk (&(*ap)->u.code, s, len); - s += len+1; - break; - case REGX_PATTERN: - *ap = (struct lexRuleAction *) xmalloc (sizeof(**ap)); - (*ap)->which = tok; - (*ap)->u.pattern.body = bodyMark; - bodyMark = 0; - (*ap)->u.pattern.dfa = lexSpecDFA (); - s0 = s; - r = dfa_parse ((*ap)->u.pattern.dfa, &s); - if (r || *s != '/') - { - int pos = s - s0; - xfree (*ap); - *ap = NULL; - yaz_log(YLOG_WARN, "regular expression error '%.*s'", pos, s0); - return -1; - } - else - { - int pos = s - s0; - if (debug_dfa_tran) - printf("pattern: %.*s\n", pos, s0); - dfa_mkstate((*ap)->u.pattern.dfa); - s++; - } - break; - case REGX_BEGIN: - yaz_log (YLOG_WARN, "cannot use BEGIN here"); - continue; - case REGX_INIT: - yaz_log (YLOG_WARN, "cannot use INIT here"); - continue; - case REGX_END: - *ap = (struct lexRuleAction *) xmalloc (sizeof(**ap)); - (*ap)->which = tok; - break; - } - ap = &(*ap)->next; - } - *ap = NULL; - return 0; -} - -int readOneSpec (struct lexSpec *spec, const char *s) -{ - int len, r, tok; - struct lexRule *rp; - struct lexContext *lc; - - tok = readParseToken (&s, &len); - if (tok == REGX_CONTEXT) - { - char context_name[32]; - tok = readParseToken (&s, &len); - if (tok != REGX_CODE) - { - yaz_log (YLOG_WARN, "missing name after CONTEXT keyword"); - return 0; - } - if (len > 31) - len = 31; - memcpy (context_name, s, len); - context_name[len] = '\0'; - lc = lexContextCreate (context_name); - lc->next = spec->context; - spec->context = lc; - return 0; - } - if (!spec->context) - spec->context = lexContextCreate ("main"); - - switch (tok) - { - case REGX_BEGIN: - actionListDel (&spec->context->beginActionList); - actionListMk (spec, s, &spec->context->beginActionList); - break; - case REGX_END: - actionListDel (&spec->context->endActionList); - actionListMk (spec, s, &spec->context->endActionList); - break; - case REGX_INIT: - actionListDel (&spec->context->initActionList); - actionListMk (spec, s, &spec->context->initActionList); - break; - case REGX_PATTERN: -#if REGX_DEBUG - yaz_log (YLOG_LOG, "rule %d %s", spec->context->ruleNo, s); -#endif - r = dfa_parse (spec->context->dfa, &s); - if (r) - { - yaz_log (YLOG_WARN, "regular expression error. r=%d", r); - return -1; - } - if (*s != '/') - { - yaz_log (YLOG_WARN, "expects / at end of pattern. got %c", *s); - return -1; - } - s++; - rp = (struct lexRule *) xmalloc (sizeof(*rp)); - rp->info.no = spec->context->ruleNo++; - rp->next = spec->context->rules; - spec->context->rules = rp; - actionListMk (spec, s, &rp->info.actionList); - } - return 0; -} - -int readFileSpec (struct lexSpec *spec) -{ - struct lexContext *lc; - int c, i, errors = 0; - FILE *spec_inf = 0; - WRBUF lineBuf; - char fname[256]; - -#if HAVE_TCL_H - if (spec->tcl_interp) - { - sprintf (fname, "%s.tflt", spec->name); - spec_inf = data1_path_fopen (spec->dh, fname, "r"); - } -#endif - if (!spec_inf) - { - sprintf (fname, "%s.flt", spec->name); - spec_inf = data1_path_fopen (spec->dh, fname, "r"); - } - if (!spec_inf) - { - yaz_log (YLOG_ERRNO|YLOG_WARN, "cannot read spec file %s", spec->name); - return -1; - } - yaz_log (YLOG_LOG, "reading regx filter %s", fname); -#if HAVE_TCL_H - if (spec->tcl_interp) - yaz_log (YLOG_LOG, "Tcl enabled"); -#endif - -#if 0 - debug_dfa_trav = 0; - debug_dfa_tran = 1; - debug_dfa_followpos = 0; - dfa_verbose = 1; -#endif - - lineBuf = wrbuf_alloc(); - spec->lineNo = 0; - c = getc (spec_inf); - while (c != EOF) - { - wrbuf_rewind (lineBuf); - if (c == '#' || c == '\n' || c == ' ' || c == '\t' || c == '\r') - { - while (c != '\n' && c != EOF) - c = getc (spec_inf); - spec->lineNo++; - if (c == '\n') - c = getc (spec_inf); - } - else - { - int addLine = 0; - - while (1) - { - int c1 = c; - wrbuf_putc(lineBuf, c); - c = getc (spec_inf); - while (c == '\r') - c = getc (spec_inf); - if (c == EOF) - break; - if (c1 == '\n') - { - if (c != ' ' && c != '\t') - break; - addLine++; - } - } - wrbuf_putc(lineBuf, '\0'); - readOneSpec (spec, wrbuf_buf(lineBuf)); - spec->lineNo += addLine; - } - } - fclose (spec_inf); - wrbuf_free(lineBuf, 1); - - for (lc = spec->context; lc; lc = lc->next) - { - struct lexRule *rp; - lc->fastRule = (struct lexRuleInfo **) - xmalloc (sizeof(*lc->fastRule) * lc->ruleNo); - for (i = 0; i < lc->ruleNo; i++) - lc->fastRule[i] = NULL; - for (rp = lc->rules; rp; rp = rp->next) - lc->fastRule[rp->info.no] = &rp->info; - dfa_mkstate (lc->dfa); - } - if (errors) - return -1; - - return 0; -} - -#if 0 -static struct lexSpec *curLexSpec = NULL; -#endif - -static void execData (struct lexSpec *spec, - const char *ebuf, int elen, int formatted_text, - const char *attribute_str, int attribute_len) -{ - struct data1_node *res, *parent; - int org_len; - - if (elen == 0) /* shouldn't happen, but it does! */ - return ; -#if REGX_DEBUG - if (elen > 80) - yaz_log (YLOG_LOG, "data(%d bytes) %.40s ... %.*s", elen, - ebuf, 40, ebuf + elen-40); - else if (elen == 1 && ebuf[0] == '\n') - { - yaz_log (YLOG_LOG, "data(new line)"); - } - else if (elen > 0) - yaz_log (YLOG_LOG, "data(%d bytes) %.*s", elen, elen, ebuf); - else - yaz_log (YLOG_LOG, "data(%d bytes)", elen); -#endif - - if (spec->d1_level <= 1) - return; - - parent = spec->d1_stack[spec->d1_level -1]; - assert (parent); - - if (attribute_str) - { - data1_xattr **ap; - res = parent; - if (res->which != DATA1N_tag) - return; - /* sweep through exising attributes.. */ - for (ap = &res->u.tag.attributes; *ap; ap = &(*ap)->next) - if (strlen((*ap)->name) == attribute_len && - !memcmp((*ap)->name, attribute_str, attribute_len)) - break; - if (!*ap) - { - /* new attribute. Create it with name + value */ - *ap = nmem_malloc(spec->m, sizeof(**ap)); - - (*ap)->name = nmem_malloc(spec->m, attribute_len+1); - memcpy((*ap)->name, attribute_str, attribute_len); - (*ap)->name[attribute_len] = '\0'; - - (*ap)->value = nmem_malloc(spec->m, elen+1); - memcpy((*ap)->value, ebuf, elen); - (*ap)->value[elen] = '\0'; - (*ap)->next = 0; - } - else - { - /* append to value if attribute already exists */ - char *nv = nmem_malloc(spec->m, elen + 1 + strlen((*ap)->value)); - strcpy(nv, (*ap)->value); - memcpy (nv + strlen(nv), ebuf, elen); - nv[strlen(nv)+elen] = '\0'; - (*ap)->value = nv; - } - } - else - { - if ((res = spec->d1_stack[spec->d1_level]) && - res->which == DATA1N_data) - org_len = res->u.data.len; - else - { - org_len = 0; - - res = data1_mk_node2 (spec->dh, spec->m, DATA1N_data, parent); - res->u.data.what = DATA1I_text; - res->u.data.len = 0; - res->u.data.formatted_text = formatted_text; - res->u.data.data = 0; - - if (spec->d1_stack[spec->d1_level]) - spec->d1_stack[spec->d1_level]->next = res; - spec->d1_stack[spec->d1_level] = res; - } - if (org_len + elen >= spec->concatBuf[spec->d1_level].max) - { - char *old_buf, *new_buf; - - spec->concatBuf[spec->d1_level].max = org_len + elen + 256; - new_buf = (char *) xmalloc (spec->concatBuf[spec->d1_level].max); - if ((old_buf = spec->concatBuf[spec->d1_level].buf)) - { - memcpy (new_buf, old_buf, org_len); - xfree (old_buf); - } - spec->concatBuf[spec->d1_level].buf = new_buf; - } - memcpy (spec->concatBuf[spec->d1_level].buf + org_len, ebuf, elen); - res->u.data.len += elen; - } -} - -static void execDataP (struct lexSpec *spec, - const char *ebuf, int elen, int formatted_text) -{ - execData (spec, ebuf, elen, formatted_text, 0, 0); -} - -static void tagDataRelease (struct lexSpec *spec) -{ - data1_node *res; - - if ((res = spec->d1_stack[spec->d1_level]) && - res->which == DATA1N_data && - res->u.data.what == DATA1I_text) - { - assert (!res->u.data.data); - assert (res->u.data.len > 0); - if (res->u.data.len > DATA1_LOCALDATA) - res->u.data.data = (char *) nmem_malloc (spec->m, res->u.data.len); - else - res->u.data.data = res->lbuf; - memcpy (res->u.data.data, spec->concatBuf[spec->d1_level].buf, - res->u.data.len); - } -} - -static void variantBegin (struct lexSpec *spec, - const char *class_str, int class_len, - const char *type_str, int type_len, - const char *value_str, int value_len) -{ - struct data1_node *parent = spec->d1_stack[spec->d1_level -1]; - char tclass[DATA1_MAX_SYMBOL], ttype[DATA1_MAX_SYMBOL]; - data1_vartype *tp; - int i; - data1_node *res; - - if (spec->d1_level == 0) - { - yaz_log (YLOG_WARN, "in variant begin. No record type defined"); - return ; - } - if (class_len >= DATA1_MAX_SYMBOL) - class_len = DATA1_MAX_SYMBOL-1; - memcpy (tclass, class_str, class_len); - tclass[class_len] = '\0'; - - if (type_len >= DATA1_MAX_SYMBOL) - type_len = DATA1_MAX_SYMBOL-1; - memcpy (ttype, type_str, type_len); - ttype[type_len] = '\0'; - -#if REGX_DEBUG - yaz_log (YLOG_LOG, "variant begin(%s,%s,%d)", tclass, ttype, - spec->d1_level); -#endif - - if (!(tp = - data1_getvartypeby_absyn(spec->dh, parent->root->u.root.absyn, - tclass, ttype))) - return; - - if (parent->which != DATA1N_variant) - { - res = data1_mk_node2 (spec->dh, spec->m, DATA1N_variant, parent); - if (spec->d1_stack[spec->d1_level]) - tagDataRelease (spec); - spec->d1_stack[spec->d1_level] = res; - spec->d1_stack[++(spec->d1_level)] = NULL; - } - for (i = spec->d1_level-1; spec->d1_stack[i]->which == DATA1N_variant; i--) - if (spec->d1_stack[i]->u.variant.type == tp) - { - spec->d1_level = i; - break; - } - -#if REGX_DEBUG - yaz_log (YLOG_LOG, "variant node(%d)", spec->d1_level); -#endif - parent = spec->d1_stack[spec->d1_level-1]; - res = data1_mk_node2 (spec->dh, spec->m, DATA1N_variant, parent); - res->u.variant.type = tp; - - if (value_len >= DATA1_LOCALDATA) - value_len =DATA1_LOCALDATA-1; - memcpy (res->lbuf, value_str, value_len); - res->lbuf[value_len] = '\0'; - - res->u.variant.value = res->lbuf; - - if (spec->d1_stack[spec->d1_level]) - tagDataRelease (spec); - spec->d1_stack[spec->d1_level] = res; - spec->d1_stack[++(spec->d1_level)] = NULL; -} - -static void tagStrip (const char **tag, int *len) -{ - int i; - - for (i = *len; i > 0 && isspace((*tag)[i-1]); --i) - ; - *len = i; - for (i = 0; i < *len && isspace((*tag)[i]); i++) - ; - *tag += i; - *len -= i; -} - -static void tagBegin (struct lexSpec *spec, - const char *tag, int len) -{ - if (spec->d1_level == 0) - { - yaz_log (YLOG_WARN, "in element begin. No record type defined"); - return ; - } - tagStrip (&tag, &len); - if (spec->d1_stack[spec->d1_level]) - tagDataRelease (spec); - -#if REGX_DEBUG - yaz_log (YLOG_LOG, "begin tag(%.*s, %d)", len, tag, spec->d1_level); -#endif - - spec->d1_stack[spec->d1_level] = data1_mk_tag_n ( - spec->dh, spec->m, tag, len, 0, spec->d1_stack[spec->d1_level -1]); - spec->d1_stack[++(spec->d1_level)] = NULL; -} - -static void tagEnd (struct lexSpec *spec, int min_level, - const char *tag, int len) -{ - tagStrip (&tag, &len); - while (spec->d1_level > min_level) - { - tagDataRelease (spec); - (spec->d1_level)--; - if (spec->d1_level == 0) - break; - if ((spec->d1_stack[spec->d1_level]->which == DATA1N_tag) && - (!tag || - (strlen(spec->d1_stack[spec->d1_level]->u.tag.tag) == - (size_t) len && - !memcmp (spec->d1_stack[spec->d1_level]->u.tag.tag, tag, len)))) - break; - } -#if REGX_DEBUG - yaz_log (YLOG_LOG, "end tag(%d)", spec->d1_level); -#endif -} - - -static int tryMatch (struct lexSpec *spec, int *pptr, int *mptr, - struct DFA *dfa, int greedy) -{ - struct DFA_state *state = dfa->states[0]; - struct DFA_tran *t; - unsigned char c = 0; - unsigned char c_prev = 0; - int ptr = *pptr; /* current pointer */ - int start_ptr = *pptr; /* first char of match */ - int last_ptr = 0; /* last char of match */ - int last_rule = 0; /* rule number of current match */ - int restore_ptr = 0; - int i; - - if (ptr) - { - --ptr; - c = f_win_advance (spec, &ptr); - } - while (1) - { - if (dfa->states[0] == state) - { - c_prev = c; - restore_ptr = ptr; - } - c = f_win_advance (spec, &ptr); - - if (ptr == F_WIN_EOF) - { - if (last_rule) - { - *mptr = start_ptr; - *pptr = last_ptr; - return 1; - } - break; - } - - t = state->trans; - i = state->tran_no; - while (1) - if (--i < 0) /* no transition for character c */ - { - if (last_rule) - { - *mptr = start_ptr; /* match starts here */ - *pptr = last_ptr; /* match end here (+1) */ - return 1; - } - state = dfa->states[0]; - - ptr = restore_ptr; - c = f_win_advance (spec, &ptr); - - start_ptr = ptr; - - break; - } - else if (c >= t->ch[0] && c <= t->ch[1]) - { - state = dfa->states[t->to]; - if (state->rule_no && c_prev == '\n') - { - last_rule = state->rule_no; - last_ptr = ptr; - } - else if (state->rule_nno) - { - last_rule = state->rule_nno; - last_ptr = ptr; - } - break; - } - else - t++; - } - return 0; -} - -static int execTok (struct lexSpec *spec, const char **src, - const char **tokBuf, int *tokLen) -{ - const char *s = *src; - - while (*s == ' ' || *s == '\t') - s++; - if (!*s) - return 0; - if (*s == '$' && s[1] >= '0' && s[1] <= '9') - { - int n = 0; - s++; - while (*s >= '0' && *s <= '9') - n = n*10 + (*s++ -'0'); - if (spec->arg_no == 0) - { - *tokBuf = ""; - *tokLen = 0; - } - else - { - if (n >= spec->arg_no) - n = spec->arg_no-1; - *tokBuf = f_win_get (spec, spec->arg_start[n], spec->arg_end[n], - tokLen); - } - } - else if (*s == '\"') - { - *tokBuf = ++s; - while (*s && *s != '\"') - s++; - *tokLen = s - *tokBuf; - if (*s) - s++; - *src = s; - } - else if (*s == '\n' || *s == ';') - { - *src = s+1; - return 1; - } - else if (*s == '-') - { - *tokBuf = s++; - while (*s && *s != ' ' && *s != '\t' && *s != '\n' && *s != '\r' && - *s != ';') - s++; - *tokLen = s - *tokBuf; - *src = s; - return 3; - } - else - { - *tokBuf = s++; - while (*s && *s != ' ' && *s != '\t' && *s != '\n' && *s != '\r' && - *s != ';') - s++; - *tokLen = s - *tokBuf; - } - *src = s; - return 2; -} - -static char *regxStrz (const char *src, int len, char *str) -{ - if (len > 63) - len = 63; - memcpy (str, src, len); - str[len] = '\0'; - return str; -} - -#if HAVE_TCL_H -static int cmd_tcl_begin (ClientData clientData, Tcl_Interp *interp, - int argc, const char **argv) -{ - struct lexSpec *spec = (struct lexSpec *) clientData; - if (argc < 2) - return TCL_ERROR; - if (!strcmp(argv[1], "record") && argc == 3) - { - const char *absynName = argv[2]; - data1_node *res; - -#if REGX_DEBUG - yaz_log (YLOG_LOG, "begin record %s", absynName); -#endif - res = data1_mk_root (spec->dh, spec->m, absynName); - - spec->d1_level = 0; - - spec->d1_stack[spec->d1_level++] = res; - - res = data1_mk_tag (spec->dh, spec->m, absynName, 0, res); - - spec->d1_stack[spec->d1_level++] = res; - - spec->d1_stack[spec->d1_level] = NULL; - } - else if (!strcmp(argv[1], "element") && argc == 3) - { - tagBegin (spec, argv[2], strlen(argv[2])); - } - else if (!strcmp (argv[1], "variant") && argc == 5) - { - variantBegin (spec, argv[2], strlen(argv[2]), - argv[3], strlen(argv[3]), - argv[4], strlen(argv[4])); - } - else if (!strcmp (argv[1], "context") && argc == 3) - { - struct lexContext *lc = spec->context; -#if REGX_DEBUG - yaz_log (YLOG_LOG, "begin context %s",argv[2]); -#endif - while (lc && strcmp (argv[2], lc->name)) - lc = lc->next; - if (lc) - { - spec->context_stack[++(spec->context_stack_top)] = lc; - } - else - yaz_log (YLOG_WARN, "unknown context %s", argv[2]); - } - else - return TCL_ERROR; - return TCL_OK; -} - -static int cmd_tcl_end (ClientData clientData, Tcl_Interp *interp, - int argc, const char **argv) -{ - struct lexSpec *spec = (struct lexSpec *) clientData; - if (argc < 2) - return TCL_ERROR; - - if (!strcmp (argv[1], "record")) - { - while (spec->d1_level) - { - tagDataRelease (spec); - (spec->d1_level)--; - } -#if REGX_DEBUG - yaz_log (YLOG_LOG, "end record"); -#endif - spec->stop_flag = 1; - } - else if (!strcmp (argv[1], "element")) - { - int min_level = 2; - const char *element = 0; - if (argc >= 3 && !strcmp(argv[2], "-record")) - { - min_level = 0; - if (argc == 4) - element = argv[3]; - } - else - if (argc == 3) - element = argv[2]; - tagEnd (spec, min_level, element, (element ? strlen(element) : 0)); - if (spec->d1_level <= 1) - { -#if REGX_DEBUG - yaz_log (YLOG_LOG, "end element end records"); -#endif - spec->stop_flag = 1; - } - } - else if (!strcmp (argv[1], "context")) - { -#if REGX_DEBUG - yaz_log (YLOG_LOG, "end context"); -#endif - if (spec->context_stack_top) - (spec->context_stack_top)--; - } - else - return TCL_ERROR; - return TCL_OK; -} - -static int cmd_tcl_data (ClientData clientData, Tcl_Interp *interp, - int argc, const char **argv) -{ - int argi = 1; - int textFlag = 0; - const char *element = 0; - const char *attribute = 0; - struct lexSpec *spec = (struct lexSpec *) clientData; - - while (argi < argc) - { - if (!strcmp("-text", argv[argi])) - { - textFlag = 1; - argi++; - } - else if (!strcmp("-element", argv[argi])) - { - argi++; - if (argi < argc) - element = argv[argi++]; - } - else if (!strcmp("-attribute", argv[argi])) - { - argi++; - if (argi < argc) - attribute = argv[argi++]; - } - else - break; - } - if (element) - tagBegin (spec, element, strlen(element)); - - while (argi < argc) - { -#if TCL_MAJOR_VERSION > 8 || (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION > 0) - Tcl_DString ds; - char *native = Tcl_UtfToExternalDString(0, argv[argi], -1, &ds); - execData (spec, native, strlen(native), textFlag, attribute, - attribute ? strlen(attribute) : 0); - Tcl_DStringFree (&ds); -#else - execData (spec, argv[argi], strlen(argv[argi]), textFlag, attribute, - attribute ? strlen(attribute) : 0); -#endif - argi++; - } - if (element) - tagEnd (spec, 2, NULL, 0); - return TCL_OK; -} - -static int cmd_tcl_unread (ClientData clientData, Tcl_Interp *interp, - int argc, const char **argv) -{ - struct lexSpec *spec = (struct lexSpec *) clientData; - int argi = 1; - int offset = 0; - int no; - - while (argi < argc) - { - if (!strcmp("-offset", argv[argi])) - { - argi++; - if (argi < argc) - { - offset = atoi(argv[argi]); - argi++; - } - } - else - break; - } - if (argi != argc-1) - return TCL_ERROR; - no = atoi(argv[argi]); - if (no >= spec->arg_no) - no = spec->arg_no - 1; - spec->ptr = spec->arg_start[no] + offset; - return TCL_OK; -} - -static void execTcl (struct lexSpec *spec, struct regxCode *code) -{ - int i; - int ret; - for (i = 0; i < spec->arg_no; i++) - { - char var_name[10], *var_buf; - int var_len, ch; - - sprintf (var_name, "%d", i); - var_buf = f_win_get (spec, spec->arg_start[i], spec->arg_end[i], - &var_len); - if (var_buf) - { - ch = var_buf[var_len]; - var_buf[var_len] = '\0'; - Tcl_SetVar (spec->tcl_interp, var_name, var_buf, 0); - var_buf[var_len] = ch; - } - } -#if HAVE_TCL_OBJECTS - ret = Tcl_GlobalEvalObj(spec->tcl_interp, code->tcl_obj); -#else - ret = Tcl_GlobalEval (spec->tcl_interp, code->str); -#endif - if (ret != TCL_OK) - { - const char *err = Tcl_GetVar(spec->tcl_interp, "errorInfo", 0); - yaz_log(YLOG_FATAL, "Tcl error, line=%d, \"%s\"\n%s", - spec->tcl_interp->errorLine, - spec->tcl_interp->result, - err ? err : "[NO ERRORINFO]"); - } -} -/* HAVE_TCL_H */ -#endif - -static void execCode (struct lexSpec *spec, struct regxCode *code) -{ - const char *s = code->str; - int cmd_len, r; - const char *cmd_str; - - r = execTok (spec, &s, &cmd_str, &cmd_len); - while (r) - { - char *p, ptmp[64]; - - if (r == 1) - { - r = execTok (spec, &s, &cmd_str, &cmd_len); - continue; - } - p = regxStrz (cmd_str, cmd_len, ptmp); - if (!strcmp (p, "begin")) - { - r = execTok (spec, &s, &cmd_str, &cmd_len); - if (r < 2) - { - yaz_log (YLOG_WARN, "missing keyword after 'begin'"); - continue; - } - p = regxStrz (cmd_str, cmd_len, ptmp); - if (!strcmp (p, "record")) - { - r = execTok (spec, &s, &cmd_str, &cmd_len); - if (r < 2) - continue; - if (spec->d1_level <= 1) - { - static char absynName[64]; - data1_node *res; - - if (cmd_len > 63) - cmd_len = 63; - memcpy (absynName, cmd_str, cmd_len); - absynName[cmd_len] = '\0'; -#if REGX_DEBUG - yaz_log (YLOG_LOG, "begin record %s", absynName); -#endif - res = data1_mk_root (spec->dh, spec->m, absynName); - - spec->d1_level = 0; - - spec->d1_stack[spec->d1_level++] = res; - - res = data1_mk_tag (spec->dh, spec->m, absynName, 0, res); - - spec->d1_stack[spec->d1_level++] = res; - - spec->d1_stack[spec->d1_level] = NULL; - } - r = execTok (spec, &s, &cmd_str, &cmd_len); - } - else if (!strcmp (p, "element")) - { - r = execTok (spec, &s, &cmd_str, &cmd_len); - if (r < 2) - continue; - tagBegin (spec, cmd_str, cmd_len); - r = execTok (spec, &s, &cmd_str, &cmd_len); - } - else if (!strcmp (p, "variant")) - { - int class_len; - const char *class_str = NULL; - int type_len; - const char *type_str = NULL; - int value_len; - const char *value_str = NULL; - r = execTok (spec, &s, &cmd_str, &cmd_len); - if (r < 2) - continue; - class_str = cmd_str; - class_len = cmd_len; - r = execTok (spec, &s, &cmd_str, &cmd_len); - if (r < 2) - continue; - type_str = cmd_str; - type_len = cmd_len; - - r = execTok (spec, &s, &cmd_str, &cmd_len); - if (r < 2) - continue; - value_str = cmd_str; - value_len = cmd_len; - - variantBegin (spec, class_str, class_len, - type_str, type_len, value_str, value_len); - - - r = execTok (spec, &s, &cmd_str, &cmd_len); - } - else if (!strcmp (p, "context")) - { - if (r > 1) - { - struct lexContext *lc = spec->context; - r = execTok (spec, &s, &cmd_str, &cmd_len); - p = regxStrz (cmd_str, cmd_len, ptmp); -#if REGX_DEBUG - yaz_log (YLOG_LOG, "begin context %s", p); -#endif - while (lc && strcmp (p, lc->name)) - lc = lc->next; - if (lc) - spec->context_stack[++(spec->context_stack_top)] = lc; - else - yaz_log (YLOG_WARN, "unknown context %s", p); - - } - r = execTok (spec, &s, &cmd_str, &cmd_len); - } - else - { - yaz_log (YLOG_WARN, "bad keyword '%s' after begin", p); - } - } - else if (!strcmp (p, "end")) - { - r = execTok (spec, &s, &cmd_str, &cmd_len); - if (r < 2) - { - yaz_log (YLOG_WARN, "missing keyword after 'end'"); - continue; - } - p = regxStrz (cmd_str, cmd_len, ptmp); - if (!strcmp (p, "record")) - { - while (spec->d1_level) - { - tagDataRelease (spec); - (spec->d1_level)--; - } - r = execTok (spec, &s, &cmd_str, &cmd_len); -#if REGX_DEBUG - yaz_log (YLOG_LOG, "end record"); -#endif - spec->stop_flag = 1; - } - else if (!strcmp (p, "element")) - { - int min_level = 2; - while ((r = execTok (spec, &s, &cmd_str, &cmd_len)) == 3) - { - if (cmd_len==7 && !memcmp ("-record", cmd_str, cmd_len)) - min_level = 0; - } - if (r > 2) - { - tagEnd (spec, min_level, cmd_str, cmd_len); - r = execTok (spec, &s, &cmd_str, &cmd_len); - } - else - tagEnd (spec, min_level, NULL, 0); - if (spec->d1_level <= 1) - { -#if REGX_DEBUG - yaz_log (YLOG_LOG, "end element end records"); -#endif - spec->stop_flag = 1; - } - - } - else if (!strcmp (p, "context")) - { -#if REGX_DEBUG - yaz_log (YLOG_LOG, "end context"); -#endif - if (spec->context_stack_top) - (spec->context_stack_top)--; - r = execTok (spec, &s, &cmd_str, &cmd_len); - } - else - yaz_log (YLOG_WARN, "bad keyword '%s' after end", p); - } - else if (!strcmp (p, "data")) - { - int textFlag = 0; - int element_len; - const char *element_str = NULL; - int attribute_len; - const char *attribute_str = NULL; - - while ((r = execTok (spec, &s, &cmd_str, &cmd_len)) == 3) - { - if (cmd_len==5 && !memcmp ("-text", cmd_str, cmd_len)) - textFlag = 1; - else if (cmd_len==8 && !memcmp ("-element", cmd_str, cmd_len)) - { - r = execTok (spec, &s, &element_str, &element_len); - if (r < 2) - break; - } - else if (cmd_len==10 && !memcmp ("-attribute", cmd_str, - cmd_len)) - { - r = execTok (spec, &s, &attribute_str, &attribute_len); - if (r < 2) - break; - } - else - yaz_log (YLOG_WARN, "bad data option: %.*s", - cmd_len, cmd_str); - } - if (r != 2) - { - yaz_log (YLOG_WARN, "missing data item after data"); - continue; - } - if (element_str) - tagBegin (spec, element_str, element_len); - do - { - execData (spec, cmd_str, cmd_len, textFlag, - attribute_str, attribute_len); - r = execTok (spec, &s, &cmd_str, &cmd_len); - } while (r > 1); - if (element_str) - tagEnd (spec, 2, NULL, 0); - } - else if (!strcmp (p, "unread")) - { - int no, offset; - r = execTok (spec, &s, &cmd_str, &cmd_len); - if (r==3 && cmd_len == 7 && !memcmp ("-offset", cmd_str, cmd_len)) - { - r = execTok (spec, &s, &cmd_str, &cmd_len); - if (r < 2) - { - yaz_log (YLOG_WARN, "missing number after -offset"); - continue; - } - p = regxStrz (cmd_str, cmd_len, ptmp); - offset = atoi (p); - r = execTok (spec, &s, &cmd_str, &cmd_len); - } - else - offset = 0; - if (r < 2) - { - yaz_log (YLOG_WARN, "missing index after unread command"); - continue; - } - if (cmd_len != 1 || *cmd_str < '0' || *cmd_str > '9') - { - yaz_log (YLOG_WARN, "bad index after unread command"); - continue; - } - else - { - no = *cmd_str - '0'; - if (no >= spec->arg_no) - no = spec->arg_no - 1; - spec->ptr = spec->arg_start[no] + offset; - } - r = execTok (spec, &s, &cmd_str, &cmd_len); - } - else if (!strcmp (p, "context")) - { - if (r > 1) - { - struct lexContext *lc = spec->context; - r = execTok (spec, &s, &cmd_str, &cmd_len); - p = regxStrz (cmd_str, cmd_len, ptmp); - - while (lc && strcmp (p, lc->name)) - lc = lc->next; - if (lc) - spec->context_stack[spec->context_stack_top] = lc; - else - yaz_log (YLOG_WARN, "unknown context %s", p); - - } - r = execTok (spec, &s, &cmd_str, &cmd_len); - } - else - { - yaz_log (YLOG_WARN, "unknown code command '%.*s'", cmd_len, cmd_str); - r = execTok (spec, &s, &cmd_str, &cmd_len); - continue; - } - if (r > 1) - { - yaz_log (YLOG_WARN, "ignoring token %.*s", cmd_len, cmd_str); - do { - r = execTok (spec, &s, &cmd_str, &cmd_len); - } while (r > 1); - } - } -} - - -static int execAction (struct lexSpec *spec, struct lexRuleAction *ap, - int start_ptr, int *pptr) -{ - int sptr; - int arg_start[20]; - int arg_end[20]; - int arg_no = 1; - - if (!ap) - return 1; - arg_start[0] = start_ptr; - arg_end[0] = *pptr; - spec->arg_start = arg_start; - spec->arg_end = arg_end; - - while (ap) - { - switch (ap->which) - { - case REGX_PATTERN: - if (ap->u.pattern.body) - { - arg_start[arg_no] = *pptr; - if (!tryMatch (spec, pptr, &sptr, ap->u.pattern.dfa, 0)) - { - arg_end[arg_no] = F_WIN_EOF; - arg_no++; - arg_start[arg_no] = F_WIN_EOF; - arg_end[arg_no] = F_WIN_EOF; - yaz_log(YLOG_DEBUG, "Pattern match rest of record"); - *pptr = F_WIN_EOF; - } - else - { - arg_end[arg_no] = sptr; - arg_no++; - arg_start[arg_no] = sptr; - arg_end[arg_no] = *pptr; - } - } - else - { - arg_start[arg_no] = *pptr; - if (!tryMatch (spec, pptr, &sptr, ap->u.pattern.dfa, 1)) - return 1; - if (sptr != arg_start[arg_no]) - return 1; - arg_end[arg_no] = *pptr; - } - arg_no++; - break; - case REGX_CODE: - spec->arg_no = arg_no; - spec->ptr = *pptr; -#if HAVE_TCL_H - if (spec->tcl_interp) - execTcl(spec, ap->u.code); - else - execCode (spec, ap->u.code); -#else - execCode (spec, ap->u.code); -#endif - *pptr = spec->ptr; - if (spec->stop_flag) - return 0; - break; - case REGX_END: - arg_start[arg_no] = *pptr; - arg_end[arg_no] = F_WIN_EOF; - arg_no++; - *pptr = F_WIN_EOF; - } - ap = ap->next; - } - return 1; -} - -static int execRule (struct lexSpec *spec, struct lexContext *context, - int ruleNo, int start_ptr, int *pptr) -{ -#if REGX_DEBUG - yaz_log (YLOG_LOG, "exec rule %d", ruleNo); -#endif - return execAction (spec, context->fastRule[ruleNo]->actionList, - start_ptr, pptr); -} - -data1_node *lexNode (struct lexSpec *spec, int *ptr) -{ - struct lexContext *context = spec->context_stack[spec->context_stack_top]; - struct DFA_state *state = context->dfa->states[0]; - struct DFA_tran *t; - unsigned char c; - unsigned char c_prev = '\n'; - int i; - int last_rule = 0; /* rule number of current match */ - int last_ptr = *ptr; /* last char of match */ - int start_ptr = *ptr; /* first char of match */ - int skip_ptr = *ptr; /* first char of run */ - - while (1) - { - c = f_win_advance (spec, ptr); - if (*ptr == F_WIN_EOF) - { - /* end of file met */ - if (last_rule) - { - /* there was a match */ - if (skip_ptr < start_ptr) - { - /* deal with chars that didn't match */ - int size; - char *buf; - buf = f_win_get (spec, skip_ptr, start_ptr, &size); - execDataP (spec, buf, size, 0); - } - /* restore pointer */ - *ptr = last_ptr; - /* execute rule */ - if (!execRule (spec, context, last_rule, start_ptr, ptr)) - break; - /* restore skip pointer */ - skip_ptr = *ptr; - last_rule = 0; - } - else if (skip_ptr < *ptr) - { - /* deal with chars that didn't match */ - int size; - char *buf; - buf = f_win_get (spec, skip_ptr, *ptr, &size); - execDataP (spec, buf, size, 0); - } - if (*ptr == F_WIN_EOF) - break; - } - t = state->trans; - i = state->tran_no; - while (1) - if (--i < 0) - { /* no transition for character c ... */ - if (last_rule) - { - if (skip_ptr < start_ptr) - { - /* deal with chars that didn't match */ - int size; - char *buf; - buf = f_win_get (spec, skip_ptr, start_ptr, &size); - execDataP (spec, buf, size, 0); - } - /* restore pointer */ - *ptr = last_ptr; - if (!execRule (spec, context, last_rule, start_ptr, ptr)) - { - if (spec->f_win_ef && *ptr != F_WIN_EOF) - { -#if REGX_DEBUG - yaz_log (YLOG_LOG, "regx: endf ptr=%d", *ptr); -#endif - (*spec->f_win_ef)(spec->f_win_fh, *ptr); - } - return NULL; - } - context = spec->context_stack[spec->context_stack_top]; - skip_ptr = *ptr; - last_rule = 0; - last_ptr = start_ptr = *ptr; - if (start_ptr > 0) - { - --start_ptr; - c_prev = f_win_advance (spec, &start_ptr); - } - } - else - { - c_prev = f_win_advance (spec, &start_ptr); - *ptr = start_ptr; - } - state = context->dfa->states[0]; - break; - } - else if (c >= t->ch[0] && c <= t->ch[1]) - { /* transition ... */ - state = context->dfa->states[t->to]; - if (state->rule_no) - { - if (c_prev == '\n') - { - last_rule = state->rule_no; - last_ptr = *ptr; - } - else if (state->rule_nno) - { - last_rule = state->rule_nno; - last_ptr = *ptr; - } - } - break; - } - else - t++; - } - return NULL; -} - -static data1_node *lexRoot (struct lexSpec *spec, off_t offset, - const char *context_name) -{ - struct lexContext *lt = spec->context; - int ptr = offset; - - spec->stop_flag = 0; - spec->d1_level = 0; - spec->context_stack_top = 0; - while (lt) - { - if (!strcmp (lt->name, context_name)) - break; - lt = lt->next; - } - if (!lt) - { - yaz_log (YLOG_WARN, "cannot find context %s", context_name); - return NULL; - } - spec->context_stack[spec->context_stack_top] = lt; - spec->d1_stack[spec->d1_level] = NULL; -#if 1 - if (!lt->initFlag) - { - lt->initFlag = 1; - execAction (spec, lt->initActionList, ptr, &ptr); - } -#endif - execAction (spec, lt->beginActionList, ptr, &ptr); - lexNode (spec, &ptr); - while (spec->d1_level) - { - tagDataRelease (spec); - (spec->d1_level)--; - } - execAction (spec, lt->endActionList, ptr, &ptr); - return spec->d1_stack[0]; -} - -void grs_destroy(void *clientData) -{ - struct lexSpecs *specs = (struct lexSpecs *) clientData; - if (specs->spec) - { - lexSpecDestroy(&specs->spec); - } - xfree (specs); -} - -void *grs_init(Res res, RecType recType) -{ - struct lexSpecs *specs = (struct lexSpecs *) xmalloc (sizeof(*specs)); - specs->spec = 0; - strcpy(specs->type, ""); - return specs; -} - - -ZEBRA_RES grs_config(void *clientData, Res res, const char *args) -{ - struct lexSpecs *specs = (struct lexSpecs *) clientData; - if (strlen(args) < sizeof(specs->type)) - strcpy(specs->type, args); - return ZEBRA_OK; -} - -data1_node *grs_read_regx (struct grs_read_info *p) -{ - int res; - struct lexSpecs *specs = (struct lexSpecs *) p->clientData; - struct lexSpec **curLexSpec = &specs->spec; - -#if REGX_DEBUG - yaz_log (YLOG_LOG, "grs_read_regx"); -#endif - if (!*curLexSpec || strcmp ((*curLexSpec)->name, specs->type)) - { - if (*curLexSpec) - lexSpecDestroy (curLexSpec); - *curLexSpec = lexSpecCreate (specs->type, p->dh); - res = readFileSpec (*curLexSpec); - if (res) - { - lexSpecDestroy (curLexSpec); - return NULL; - } - } - (*curLexSpec)->dh = p->dh; - if (!p->offset) - { - (*curLexSpec)->f_win_start = 0; - (*curLexSpec)->f_win_end = 0; - (*curLexSpec)->f_win_rf = p->readf; - (*curLexSpec)->f_win_sf = p->seekf; - (*curLexSpec)->f_win_fh = p->fh; - (*curLexSpec)->f_win_ef = p->endf; - (*curLexSpec)->f_win_size = 500000; - } - (*curLexSpec)->m = p->mem; - return lexRoot (*curLexSpec, p->offset, "main"); -} - -static int extract_regx(void *clientData, struct recExtractCtrl *ctrl) -{ - return zebra_grs_extract(clientData, ctrl, grs_read_regx); -} - -static int retrieve_regx(void *clientData, struct recRetrieveCtrl *ctrl) -{ - return zebra_grs_retrieve(clientData, ctrl, grs_read_regx); -} - -static struct recType regx_type = { - 0, - "grs.regx", - grs_init, - grs_config, - grs_destroy, - extract_regx, - retrieve_regx, -}; - - -#if HAVE_TCL_H -data1_node *grs_read_tcl (struct grs_read_info *p) -{ - int res; - struct lexSpecs *specs = (struct lexSpecs *) p->clientData; - struct lexSpec **curLexSpec = &specs->spec; - -#if REGX_DEBUG - yaz_log (YLOG_LOG, "grs_read_tcl"); -#endif - if (!*curLexSpec || strcmp ((*curLexSpec)->name, specs->type)) - { - Tcl_Interp *tcl_interp; - if (*curLexSpec) - lexSpecDestroy (curLexSpec); - *curLexSpec = lexSpecCreate (specs->type, p->dh); - Tcl_FindExecutable(""); - tcl_interp = (*curLexSpec)->tcl_interp = Tcl_CreateInterp(); - Tcl_Init(tcl_interp); - Tcl_CreateCommand (tcl_interp, "begin", cmd_tcl_begin, *curLexSpec, 0); - Tcl_CreateCommand (tcl_interp, "end", cmd_tcl_end, *curLexSpec, 0); - Tcl_CreateCommand (tcl_interp, "data", cmd_tcl_data, *curLexSpec, 0); - Tcl_CreateCommand (tcl_interp, "unread", cmd_tcl_unread, - *curLexSpec, 0); - res = readFileSpec (*curLexSpec); - if (res) - { - lexSpecDestroy (curLexSpec); - return NULL; - } - } - (*curLexSpec)->dh = p->dh; - if (!p->offset) - { - (*curLexSpec)->f_win_start = 0; - (*curLexSpec)->f_win_end = 0; - (*curLexSpec)->f_win_rf = p->readf; - (*curLexSpec)->f_win_sf = p->seekf; - (*curLexSpec)->f_win_fh = p->fh; - (*curLexSpec)->f_win_ef = p->endf; - (*curLexSpec)->f_win_size = 500000; - } - (*curLexSpec)->m = p->mem; - return lexRoot (*curLexSpec, p->offset, "main"); -} - -static int extract_tcl(void *clientData, struct recExtractCtrl *ctrl) -{ - return zebra_grs_extract(clientData, ctrl, grs_read_tcl); -} - -static int retrieve_tcl(void *clientData, struct recRetrieveCtrl *ctrl) -{ - return zebra_grs_retrieve(clientData, ctrl, grs_read_tcl); -} - -static struct recType tcl_type = { - 0, - "grs.tcl", - grs_init, - grs_config, - grs_destroy, - extract_tcl, - retrieve_tcl, -}; - -#endif - -RecType -#ifdef IDZEBRA_STATIC_GRS_REGX -idzebra_filter_grs_regx -#else -idzebra_filter -#endif - -[] = { - ®x_type, -#if HAVE_TCL_H - &tcl_type, -#endif - 0, -}; -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/safari.c b/recctrl/safari.c deleted file mode 100644 index 432b2dc..0000000 --- a/recctrl/safari.c +++ /dev/null @@ -1,279 +0,0 @@ -/* $Id: safari.c,v 1.12 2006-05-10 08:13:31 adam Exp $ - Copyright (C) 1995-2005 - Index Data ApS - -This file is part of the Zebra server. - -Zebra is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -Zebra is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with Zebra; see the file LICENSE.zebra. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. -*/ - - -#include -#include -#include - -#include -#include - -struct filter_info { - char *sep; -}; - -static void *filter_init (Res res, RecType recType) -{ - struct filter_info *tinfo = (struct filter_info *) xmalloc(sizeof(*tinfo)); - tinfo->sep = 0; - return tinfo; -} - -static ZEBRA_RES filter_config(void *clientData, Res res, const char *args) -{ - return ZEBRA_OK; -} - -static void filter_destroy(void *clientData) -{ - struct filter_info *tinfo = clientData; - xfree (tinfo->sep); - xfree (tinfo); -} - -struct fi_info { - struct recExtractCtrl *p; - char *buf; - int offset; - int max; -}; - -static struct fi_info *fi_open(struct recExtractCtrl *p) -{ - struct fi_info *fi = (struct fi_info *) xmalloc (sizeof(*fi)); - - fi->p = p; - fi->buf = (char *) xmalloc (4096); - fi->offset = 1; - fi->max = 1; - return fi; -} - -static int fi_getchar(struct fi_info *fi, char *dst) -{ - if (fi->offset >= fi->max) - { - if (fi->max <= 0) - return 0; - fi->max = (*fi->p->readf)(fi->p->fh, fi->buf, 4096); - fi->offset = 0; - if (fi->max <= 0) - return 0; - } - *dst = fi->buf[(fi->offset)++]; - return 1; -} - -static int fi_gets(struct fi_info *fi, char *dst, int max) -{ - int l = 0; - while(1) - { - char dstbyte; - if (!fi_getchar(fi, &dstbyte)) - return 0; - if (dstbyte == '\n') - break; - if (l < max) - dst[l++] = dstbyte; - } - dst[l] = '\0'; - return 1; -} - -static void fi_close (struct fi_info *fi) -{ - xfree (fi->buf); - xfree (fi); -} - -static int filter_extract(void *clientData, struct recExtractCtrl *p) -{ - struct filter_info *tinfo = clientData; - char line[512]; - RecWord recWord; - struct fi_info *fi = fi_open(p); - -#if 0 - yaz_log(YLOG_LOG, "filter_extract off=%ld", - (long) (*fi->p->tellf)(fi->p->fh)); -#endif - xfree(tinfo->sep); - tinfo->sep = 0; - (*p->init)(p, &recWord); - - if (!fi_gets(fi, line, sizeof(line)-1)) - return RECCTRL_EXTRACT_ERROR_GENERIC; - sscanf(line, "%255s", p->match_criteria); - - recWord.index_type = '0'; - while (fi_gets(fi, line, sizeof(line)-1)) - { - int nor = 0; - char field[40]; - char *cp; -#if 0 - yaz_log(YLOG_LOG, "safari line: %s", line); -#endif - if (sscanf(line, ZINT_FORMAT " " ZINT_FORMAT " " ZINT_FORMAT " %39s %n", - &recWord.record_id, &recWord.section_id, &recWord.seqno, - field, &nor) < 4) - { - yaz_log(YLOG_WARN, "Bad safari record line: %s", line); - return RECCTRL_EXTRACT_ERROR_GENERIC; - } - for (cp = line + nor; *cp == ' '; cp++) - ; - recWord.index_name = field; - recWord.term_buf = cp; - recWord.term_len = strlen(cp); - (*p->tokenAdd)(&recWord); - } - fi_close(fi); - return RECCTRL_EXTRACT_OK; -} - -static int filter_retrieve (void *clientData, struct recRetrieveCtrl *p) -{ - int r, filter_ptr = 0; - static char *filter_buf = NULL; - static int filter_size = 0; - int make_header = 1; - int make_body = 1; - const char *elementSetName = NULL; - int no_lines = 0; - - if (p->comp && p->comp->which == Z_RecordComp_simple && - p->comp->u.simple->which == Z_ElementSetNames_generic) - elementSetName = p->comp->u.simple->u.generic; - - if (elementSetName) - { - /* don't make header for the R(aw) element set name */ - if (!strcmp(elementSetName, "R")) - { - make_header = 0; - make_body = 1; - } - /* only make header for the H(eader) element set name */ - else if (!strcmp(elementSetName, "H")) - { - make_header = 1; - make_body = 0; - } - } - while (1) - { - if (filter_ptr + 4096 >= filter_size) - { - char *nb; - - filter_size = 2*filter_size + 8192; - nb = (char *) xmalloc (filter_size); - if (filter_buf) - { - memcpy (nb, filter_buf, filter_ptr); - xfree (filter_buf); - } - filter_buf = nb; - } - if (make_header && filter_ptr == 0) - { - if (p->score >= 0) - { - sprintf (filter_buf, "Rank: %d\n", p->score); - filter_ptr = strlen(filter_buf); - } - sprintf (filter_buf + filter_ptr, "Local Number: " ZINT_FORMAT "\n", - p->localno); - filter_ptr = strlen(filter_buf); - if (p->fname) - { - sprintf (filter_buf + filter_ptr, "Filename: %s\n", p->fname); - filter_ptr = strlen(filter_buf); - } - strcpy(filter_buf+filter_ptr++, "\n"); - } - if (!make_body) - break; - r = (*p->readf)(p->fh, filter_buf + filter_ptr, 4096); - if (r <= 0) - break; - filter_ptr += r; - } - filter_buf[filter_ptr] = '\0'; - if (elementSetName) - { - if (!strcmp (elementSetName, "B")) - no_lines = 4; - if (!strcmp (elementSetName, "M")) - no_lines = 20; - } - if (no_lines) - { - char *p = filter_buf; - int i = 0; - - while (++i <= no_lines && (p = strchr (p, '\n'))) - p++; - if (p) - { - p[1] = '\0'; - filter_ptr = p-filter_buf; - } - } - p->output_format = VAL_SUTRS; - p->rec_buf = filter_buf; - p->rec_len = filter_ptr; - return 0; -} - -static struct recType filter_type = { - 0, - "safari", - filter_init, - filter_config, - filter_destroy, - filter_extract, - filter_retrieve -}; - -RecType -#ifdef IDZEBRA_STATIC_SAFARI -idzebra_filter_safari -#else -idzebra_filter -#endif - -[] = { - &filter_type, - 0, -}; -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/sgmlread.c b/recctrl/sgmlread.c deleted file mode 100644 index dd9167e..0000000 --- a/recctrl/sgmlread.c +++ /dev/null @@ -1,145 +0,0 @@ -/* $Id: sgmlread.c,v 1.20 2006-05-10 08:13:31 adam Exp $ - Copyright (C) 1995-2005 - Index Data ApS - -This file is part of the Zebra server. - -Zebra is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -Zebra is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with Zebra; see the file LICENSE.zebra. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. -*/ - - -#include -#include - -#include - -struct sgml_getc_info { - char *buf; - int buf_size; - int size; - int off; - off_t moffset; - void *fh; - int (*readf)(void *, char *, size_t); - WRBUF wrbuf; -}; - -int sgml_getc (void *clientData) -{ - struct sgml_getc_info *p = (struct sgml_getc_info *) clientData; - int res; - - if (p->off < p->size) - return p->buf[(p->off)++]; - if (p->size < p->buf_size) - return 0; - p->moffset += p->off; - p->off = 0; - p->size = 0; - res = (*p->readf)(p->fh, p->buf, p->buf_size); - if (res > 0) - { - p->size += res; - return p->buf[(p->off)++]; - } - return 0; -} - -static data1_node *grs_read_sgml (struct grs_read_info *p) -{ - struct sgml_getc_info *sgi = (struct sgml_getc_info *) p->clientData; - data1_node *node; - int res; - - sgi->moffset = p->offset; - sgi->fh = p->fh; - sgi->readf = p->readf; - sgi->off = 0; - sgi->size = 0; - res = (*sgi->readf)(sgi->fh, sgi->buf, sgi->buf_size); - if (res > 0) - sgi->size += res; - else - return 0; - node = data1_read_nodex (p->dh, p->mem, sgml_getc, sgi, sgi->wrbuf); - if (node && p->endf) - (*p->endf)(sgi->fh, sgi->moffset + sgi->off); - return node; -} - -static void *grs_init_sgml(Res res, RecType recType) -{ - struct sgml_getc_info *p = (struct sgml_getc_info *) xmalloc (sizeof(*p)); - p->buf_size = 512; - p->buf = xmalloc (p->buf_size); - p->wrbuf = wrbuf_alloc(); - return p; -} - -static ZEBRA_RES grs_config_sgml(void *clientData, Res res, const char *args) -{ - return ZEBRA_OK; -} - -static void grs_destroy_sgml(void *clientData) -{ - struct sgml_getc_info *p = (struct sgml_getc_info *) clientData; - - wrbuf_free(p->wrbuf, 1); - xfree (p->buf); - xfree (p); -} - -static int grs_extract_sgml(void *clientData, struct recExtractCtrl *ctrl) -{ - return zebra_grs_extract(clientData, ctrl, grs_read_sgml); -} - -static int grs_retrieve_sgml(void *clientData, struct recRetrieveCtrl *ctrl) -{ - return zebra_grs_retrieve(clientData, ctrl, grs_read_sgml); -} - -static struct recType grs_type_sgml = -{ - 0, - "grs.sgml", - grs_init_sgml, - grs_config_sgml, - grs_destroy_sgml, - grs_extract_sgml, - grs_retrieve_sgml -}; - -RecType -#ifdef IDZEBRA_STATIC_GRS_SGML -idzebra_filter_grs_sgml -#else -idzebra_filter -#endif - -[] = { - &grs_type_sgml, - 0, -}; -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - diff --git a/recctrl/xmlread.c b/recctrl/xmlread.c deleted file mode 100644 index 6311668..0000000 --- a/recctrl/xmlread.c +++ /dev/null @@ -1,549 +0,0 @@ -/* $Id: xmlread.c,v 1.21 2006-05-10 08:13:31 adam Exp $ - Copyright (C) 1995-2005 - Index Data ApS - -This file is part of the Zebra server. - -Zebra is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -Zebra is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with Zebra; see the file LICENSE.zebra. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. -*/ - -#if HAVE_EXPAT_H - -#include -#include -#include -#if HAVE_ICONV_H -#include -#include -#endif - -#include - -#include - -#include -#include - -#include - -#define XML_CHUNK 1024 - -struct user_info { - data1_node *d1_stack[256]; - int level; - data1_handle dh; - NMEM nmem; - int loglevel; -}; - -static void cb_start (void *user, const char *el, const char **attr) -{ - struct user_info *ui = (struct user_info*) user; - if (ui->level == 1) - data1_set_root (ui->dh, ui->d1_stack[0], ui->nmem, el); - ui->d1_stack[ui->level] = data1_mk_tag (ui->dh, ui->nmem, el, attr, - ui->d1_stack[ui->level-1]); - ui->level++; - yaz_log (ui->loglevel, "cb_start %s", el); -} - -static void cb_end (void *user, const char *el) -{ - struct user_info *ui = (struct user_info*) user; - - ui->level--; - yaz_log (ui->loglevel, "cb_end %s", el); -} - -static void cb_chardata (void *user, const char *s, int len) -{ - struct user_info *ui = (struct user_info*) user; -#if 0 - yaz_log (ui->loglevel, "cb_chardata %.*s", len, s); -#endif - ui->d1_stack[ui->level] = data1_mk_text_n (ui->dh, ui->nmem, s, len, - ui->d1_stack[ui->level -1]); -} - -static void cb_decl (void *user, const char *version, const char *encoding, - int standalone) -{ - struct user_info *ui = (struct user_info*) user; - const char *attr_list[7]; - - attr_list[0] = "version"; - attr_list[1] = version; - - attr_list[2] = "encoding"; - attr_list[3] = "UTF-8"; /* internally it's always UTF-8 */ - - attr_list[4] = "standalone"; - attr_list[5] = standalone ? "yes" : "no"; - - attr_list[6] = 0; - - data1_mk_preprocess (ui->dh, ui->nmem, "xml", attr_list, - ui->d1_stack[ui->level-1]); -#if 0 - yaz_log (YLOG_LOG, "decl version=%s encoding=%s", - version ? version : "null", - encoding ? encoding : "null"); -#endif -} - -static void cb_processing (void *user, const char *target, - const char *data) -{ - struct user_info *ui = (struct user_info*) user; - data1_node *res = - data1_mk_preprocess (ui->dh, ui->nmem, target, 0, - ui->d1_stack[ui->level-1]); - data1_mk_text_nf (ui->dh, ui->nmem, data, strlen(data), res); - - yaz_log (ui->loglevel, "decl processing target=%s data=%s", - target ? target : "null", - data ? data : "null"); -} - -static void cb_comment (void *user, const char *data) -{ - struct user_info *ui = (struct user_info*) user; - yaz_log (ui->loglevel, "decl comment data=%s", data ? data : "null"); - data1_mk_comment (ui->dh, ui->nmem, data, ui->d1_stack[ui->level-1]); -} - -static void cb_doctype_start (void *userData, const char *doctypeName, - const char *sysid, const char *pubid, - int has_internal_subset) -{ - struct user_info *ui = (struct user_info*) userData; - yaz_log (ui->loglevel, "doctype start doctype=%s sysid=%s pubid=%s", - doctypeName, sysid, pubid); -} - -static void cb_doctype_end (void *userData) -{ - struct user_info *ui = (struct user_info*) userData; - yaz_log (ui->loglevel, "doctype end"); -} - - -static void cb_entity_decl (void *userData, const char *entityName, - int is_parameter_entity, - const char *value, int value_length, - const char *base, const char *systemId, - const char *publicId, const char *notationName) -{ - struct user_info *ui = (struct user_info*) userData; - yaz_log (ui->loglevel, - "entity decl %s is_para_entry=%d value=%.*s base=%s systemId=%s" - " publicId=%s notationName=%s", - entityName, is_parameter_entity, value_length, value, - base, systemId, publicId, notationName); - -} - -static int cb_external_entity (XML_Parser pparser, - const char *context, - const char *base, - const char *systemId, - const char *publicId) -{ - struct user_info *ui = (struct user_info*) XML_GetUserData(pparser); - FILE *inf; - int done = 0; - XML_Parser parser; - - yaz_log (ui->loglevel, - "external entity context=%s base=%s systemid=%s publicid=%s", - context, base, systemId, publicId); - if (!systemId) - return 1; - - if (!(inf = fopen (systemId, "rb"))) - { - yaz_log (YLOG_WARN|YLOG_ERRNO, "fopen %s", systemId); - return 0; - } - - parser = XML_ExternalEntityParserCreate (pparser, "", 0); - while (!done) - { - int r; - void *buf = XML_GetBuffer (parser, XML_CHUNK); - if (!buf) - { - yaz_log (YLOG_WARN, "XML_GetBuffer fail"); - break; - } - r = fread (buf, 1, XML_CHUNK, inf); - if (r == 0) - { - if (ferror(inf)) - { - yaz_log (YLOG_WARN|YLOG_ERRNO, "fread %s", systemId); - break; - } - done = 1; - } - if (!XML_ParseBuffer (parser, r, done)) - { - done = 1; - yaz_log (YLOG_WARN, "%s:%d:%d:XML error: %s", - systemId, - XML_GetCurrentLineNumber(parser), - XML_GetCurrentColumnNumber(parser), - XML_ErrorString(XML_GetErrorCode(parser))); - } - } - fclose (inf); - XML_ParserFree (parser); - return done; -} - - -#if HAVE_ICONV_H -static int cb_encoding_convert (void *data, const char *s) -{ - iconv_t t = (iconv_t) data; - size_t ret; - size_t outleft = 2; - char outbuf_[2], *outbuf = outbuf_; - size_t inleft = 4; - char *inbuf = (char *) s; - unsigned short code; - -#if 1 - yaz_log(YLOG_LOG, "------------------------- cb_encoding_convert --- "); -#endif - ret = iconv (t, &inbuf, &inleft, &outbuf, &outleft); - if (ret == (size_t) (-1) && errno != E2BIG) - { - iconv (t, 0, 0, 0, 0); - return -1; - } - if (outleft != 0) - return -1; - memcpy (&code, outbuf_, sizeof(short)); - return code; -} - -static void cb_encoding_release (void *data) -{ - iconv_t t = (iconv_t) data; - iconv_close (t); -} - -static int cb_encoding_handler (void *userData, const char *name, - XML_Encoding *info) -{ - int i = 0; - int no_ok = 0; - struct user_info *ui = (struct user_info*) userData; - - iconv_t t = iconv_open ("UNICODE", name); - if (t == (iconv_t) (-1)) - return 0; - - info->data = 0; /* signal that multibyte is not in use */ - yaz_log (ui->loglevel, "Encoding handler of %s", name); - for (i = 0; i<256; i++) - { - size_t ret; - char outbuf_[5]; - char inbuf_[5]; - char *inbuf = inbuf_; - char *outbuf = outbuf_; - size_t inleft = 1; - size_t outleft = 2; - inbuf_[0] = i; - - iconv (t, 0, 0, 0, 0); /* reset iconv */ - - ret = iconv(t, &inbuf, &inleft, &outbuf, &outleft); - if (ret == (size_t) (-1)) - { - if (errno == EILSEQ) - { - yaz_log (ui->loglevel, "Encoding %d: invalid sequence", i); - info->map[i] = -1; /* invalid sequence */ - } - if (errno == EINVAL) - { /* multi byte input */ - int len = 2; - int j = 0; - info->map[i] = -1; - - while (len <= 4) - { - char sbuf[80]; - int k; - inbuf = inbuf_; - inleft = len; - outbuf = outbuf_; - outleft = 2; - - inbuf_[len-1] = j; - iconv (t, 0,0,0,0); - - assert (i >= 0 && i<255); - - *sbuf = 0; - for (k = 0; k 255) - break; - } - else if (errno == EINVAL) - { - len++; - j = 7; - } - } - else if (outleft == 0) - { - info->map[i] = -len; - info->data = t; /* signal that multibyte is in use */ - break; - } - else - { - break; - } - } - if (info->map[i] < -1) - yaz_log (ui->loglevel, "Encoding %d: multibyte input %d", - i, -info->map[i]); - else - yaz_log (ui->loglevel, "Encoding %d: multibyte input failed", - i); - } - if (errno == E2BIG) - { - info->map[i] = -1; /* no room for output */ - if (i != 0) - yaz_log (YLOG_WARN, "Encoding %d: no room for output", - i); - } - } - else if (outleft == 0) - { - unsigned short code; - memcpy (&code, outbuf_, sizeof(short)); - info->map[i] = code; - no_ok++; - } - else - { /* should never happen */ - info->map[i] = -1; - yaz_log (YLOG_DEBUG, "Encoding %d: bad state", i); - } - } - if (info->data) - { /* at least one multi byte */ - info->convert = cb_encoding_convert; - info->release = cb_encoding_release; - } - else - { - /* no multi byte - we no longer need iconv handler */ - iconv_close(t); - info->convert = 0; - info->release = 0; - } - if (!no_ok) - return 0; - return 1; -} -/* HAVE_ICONV_H */ -#endif - -static void cb_ns_start(void *userData, const char *prefix, const char *uri) -{ - struct user_info *ui = (struct user_info*) userData; - if (prefix && uri) - yaz_log(ui->loglevel, "cb_ns_start %s %s", prefix, uri); -} - -static void cb_ns_end(void *userData, const char *prefix) -{ - struct user_info *ui = (struct user_info*) userData; - if (prefix) - yaz_log(ui->loglevel, "cb_ns_end %s", prefix); -} -data1_node *zebra_read_xml (data1_handle dh, - int (*rf)(void *, char *, size_t), void *fh, - NMEM m) -{ - XML_Parser parser; - struct user_info uinfo; - int done = 0; - data1_node *first_node; - int no_read = 0; - - uinfo.loglevel = YLOG_DEBUG; - uinfo.level = 1; - uinfo.dh = dh; - uinfo.nmem = m; - uinfo.d1_stack[0] = data1_mk_node2 (dh, m, DATA1N_root, 0); - uinfo.d1_stack[1] = 0; /* indicate no children (see end of routine) */ - - parser = XML_ParserCreate (0 /* encoding */); - - XML_SetElementHandler (parser, cb_start, cb_end); - XML_SetCharacterDataHandler (parser, cb_chardata); - XML_SetXmlDeclHandler (parser, cb_decl); - XML_SetProcessingInstructionHandler (parser, cb_processing); - XML_SetUserData (parser, &uinfo); - XML_SetCommentHandler (parser, cb_comment); - XML_SetDoctypeDeclHandler (parser, cb_doctype_start, cb_doctype_end); - XML_SetEntityDeclHandler (parser, cb_entity_decl); - XML_SetExternalEntityRefHandler (parser, cb_external_entity); - XML_SetNamespaceDeclHandler(parser, cb_ns_start, cb_ns_end); -#if HAVE_ICONV_H - XML_SetUnknownEncodingHandler (parser, cb_encoding_handler, &uinfo); -#endif - while (!done) - { - int r; - void *buf = XML_GetBuffer (parser, XML_CHUNK); - if (!buf) - { - /* error */ - yaz_log (YLOG_WARN, "XML_GetBuffer fail"); - break; - } - r = (*rf)(fh, buf, XML_CHUNK); - if (r < 0) - { - /* error */ - yaz_log (YLOG_WARN, "XML read fail"); - break; - } - else if (r == 0) - done = 1; - else - no_read += r; - if (no_read && !XML_ParseBuffer (parser, r, done)) - { - done = 1; - yaz_log (YLOG_WARN, "%d:%d:XML error: %s", - XML_GetCurrentLineNumber(parser), - XML_GetCurrentColumnNumber(parser), - XML_ErrorString(XML_GetErrorCode(parser))); - } - } - XML_ParserFree (parser); - if (no_read == 0) - return 0; - if (!uinfo.d1_stack[1] || !done) - return 0; - /* insert XML header if not present .. */ - first_node = uinfo.d1_stack[0]->child; - if (first_node->which != DATA1N_preprocess || - strcmp(first_node->u.preprocess.target, "xml")) - { - const char *attr_list[5]; - - attr_list[0] = "version"; - attr_list[1] = "1.0"; - - attr_list[2] = "encoding"; - attr_list[3] = "UTF-8"; /* encoding */ - - attr_list[4] = 0; - - data1_insert_preprocess (uinfo.dh, uinfo.nmem, "xml", attr_list, - uinfo.d1_stack[0]); - } - return uinfo.d1_stack[0]; -} - -struct xml_info { - XML_Expat_Version expat_version; -}; - -static data1_node *grs_read_xml (struct grs_read_info *p) -{ - return zebra_read_xml (p->dh, p->readf, p->fh, p->mem); -} - -static void *filter_init(Res res, RecType recType) -{ - struct xml_info *p = (struct xml_info *) xmalloc (sizeof(*p)); - - p->expat_version = XML_ExpatVersionInfo(); - - return p; -} - -static void filter_destroy(void *clientData) -{ - struct xml_info *p = (struct xml_info *) clientData; - - xfree (p); -} - -static int filter_extract(void *clientData, struct recExtractCtrl *ctrl) -{ - return zebra_grs_extract(clientData, ctrl, grs_read_xml); -} - -static int filter_retrieve(void *clientData, struct recRetrieveCtrl *ctrl) -{ - return zebra_grs_retrieve(clientData, ctrl, grs_read_xml); -} - -static struct recType filter_type = { - 0, - "grs.xml", - filter_init, - 0, - filter_destroy, - filter_extract, - filter_retrieve, -}; - -RecType -#ifdef IDZEBRA_STATIC_GRS_XML -idzebra_filter_grs_xml -#else -idzebra_filter -#endif - -[] = { - &filter_type, - 0, -}; - -#endif - -/* - * Local variables: - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * vim: shiftwidth=4 tabstop=8 expandtab - */ - -- 1.7.10.4