X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Frecord_conv.c;h=212e96b7a901e40ed13bb1edb8e4cf1e3819a2d5;hp=e392e61fd492d3a062a96710c53706286f6ec663;hb=b1c1ccaac399ee2eff5f993654accb5d17844c9e;hpb=e70cbdfde382dd605d58fc112cc2458cfce37382 diff --git a/src/record_conv.c b/src/record_conv.c index e392e61..212e96b 100644 --- a/src/record_conv.c +++ b/src/record_conv.c @@ -1,8 +1,6 @@ -/* - * Copyright (C) 2005-2006, Index Data ApS +/* This file is part of the YAZ toolkit. + * Copyright (C) 1995-2012 Index Data * See the file LICENSE for details. - * - * $Id: record_conv.c,v 1.2 2006-05-03 13:04:46 adam Exp $ */ /** * \file record_conv.c @@ -21,71 +19,62 @@ #include #include #include +#include -#if HAVE_XSLT +#if YAZ_HAVE_XML2 #include #include #include +#if YAZ_HAVE_XSLT #include #include +#endif +#if YAZ_HAVE_EXSLT +#include +#endif /** \brief The internal structure for yaz_record_conv_t */ struct yaz_record_conv_struct { - /** memory for configuration */ + /** \brief memory for configuration */ NMEM nmem; - /** conversion rules (allocated using NMEM) */ + /** \brief conversion rules (allocated using NMEM) */ struct yaz_record_conv_rule *rules; - /** pointer to last conversion rule pointer in chain */ + /** \brief pointer to last conversion rule pointer in chain */ struct yaz_record_conv_rule **rules_p; - /** string buffer for error messages */ + /** \brief string buffer for error messages */ WRBUF wr_error; - /** path for opening files */ + /** \brief path for opening files */ char *path; }; -/** \brief tranformation types (rule types) */ -enum YAZ_RECORD_CONV_RULE -{ - YAZ_RECORD_CONV_RULE_XSLT, - YAZ_RECORD_CONV_RULE_MARC +struct marc_info { + NMEM nmem; + const char *input_charset; + const char *output_charset; + int input_format_mode; + int output_format_mode; + const char *leader_spec; }; /** \brief tranformation info (rule info) */ struct yaz_record_conv_rule { - enum YAZ_RECORD_CONV_RULE which; - union { - struct { - xsltStylesheetPtr xsp; - int dummy; - } xslt; - struct { - yaz_iconv_t iconv_t; - int input_format; - int output_format; - } marc; - } u; + struct yaz_record_conv_type *type; + void *info; struct yaz_record_conv_rule *next; }; -/** reset rules+configuration */ +/** \brief reset rules+configuration */ static void yaz_record_conv_reset(yaz_record_conv_t p) { + struct yaz_record_conv_rule *r; for (r = p->rules; r; r = r->next) { - if (r->which == YAZ_RECORD_CONV_RULE_MARC) - { - if (r->u.marc.iconv_t) - yaz_iconv_close(r->u.marc.iconv_t); - } - else if (r->which == YAZ_RECORD_CONV_RULE_XSLT) - { - xsltFreeStylesheet(r->u.xslt.xsp); - } + r->type->destroy(r->info); } wrbuf_rewind(p->wr_error); nmem_reset(p->nmem); @@ -95,46 +84,29 @@ static void yaz_record_conv_reset(yaz_record_conv_t p) p->rules_p = &p->rules; } -yaz_record_conv_t yaz_record_conv_create() -{ - yaz_record_conv_t p = xmalloc(sizeof(*p)); - p->nmem = nmem_create(); - p->wr_error = wrbuf_alloc(); - p->rules = 0; - p->path = 0; - - yaz_record_conv_reset(p); - return p; -} - void yaz_record_conv_destroy(yaz_record_conv_t p) { if (p) { yaz_record_conv_reset(p); nmem_destroy(p->nmem); - wrbuf_free(p->wr_error, 1); + wrbuf_destroy(p->wr_error); + xfree(p->path); xfree(p); } } -static struct yaz_record_conv_rule *add_rule(yaz_record_conv_t p, - enum YAZ_RECORD_CONV_RULE type) -{ - struct yaz_record_conv_rule *r = nmem_malloc(p->nmem, sizeof(*r)); - r->which = type; - r->next = 0; - *p->rules_p = r; - p->rules_p = &r->next; - return r; -} - -static int conv_xslt(yaz_record_conv_t p, const xmlNode *ptr) +#if YAZ_HAVE_XSLT +static void *construct_xslt(const xmlNode *ptr, + const char *path, WRBUF wr_error) { struct _xmlAttr *attr; const char *stylesheet = 0; + if (strcmp((const char *) ptr->name, "xslt")) + return 0; + for (attr = ptr->properties; attr; attr = attr->next) { if (!xmlStrcmp(attr->name, BAD_CAST "stylesheet") && @@ -142,329 +114,518 @@ static int conv_xslt(yaz_record_conv_t p, const xmlNode *ptr) stylesheet = (const char *) attr->children->content; else { - wrbuf_printf(p->wr_error, "Bad attribute '%s'." + wrbuf_printf(wr_error, "Bad attribute '%s'" "Expected stylesheet.", attr->name); - return -1; + return 0; } } if (!stylesheet) { - wrbuf_printf(p->wr_error, "Missing attribute 'stylesheet'"); - return -1; + wrbuf_printf(wr_error, "Element : " + "attribute 'stylesheet' expected"); + return 0; } else { char fullpath[1024]; xsltStylesheetPtr xsp; - if (!yaz_filepath_resolve(stylesheet, p->path, 0, fullpath)) + xmlDocPtr xsp_doc; + if (!yaz_filepath_resolve(stylesheet, path, 0, fullpath)) { - wrbuf_printf(p->wr_error, "could not locate '%s'. Path=%s", - stylesheet, p->path); - return -1; + wrbuf_printf(wr_error, "Element :" + " could not locate stylesheet '%s'", + stylesheet, stylesheet); + if (path) + wrbuf_printf(wr_error, " with path '%s'", path); + + return 0; } - xsp = xsltParseStylesheetFile((xmlChar*) fullpath); + xsp_doc = xmlParseFile(fullpath); + if (!xsp_doc) + { + wrbuf_printf(wr_error, "Element: :" + " xml parse failed: %s", stylesheet, fullpath); + if (path) + wrbuf_printf(wr_error, " with path '%s'", path); + return 0; + } + /* need to copy this before passing it to the processor. It will + be encapsulated in the xsp and destroyed by xsltFreeStylesheet */ + xsp = xsltParseStylesheetDoc(xmlCopyDoc(xsp_doc, 1)); if (!xsp) { - wrbuf_printf(p->wr_error, "xsltParseStylesheetFile failed'"); - return -1; + wrbuf_printf(wr_error, "Element: :" + " xslt parse failed: %s", stylesheet, fullpath); + if (path) + wrbuf_printf(wr_error, " with path '%s'", path); + wrbuf_printf(wr_error, " (" +#if YAZ_HAVE_EXSLT + + "EXSLT enabled" +#else + "EXSLT not supported" +#endif + ")"); + xmlFreeDoc(xsp_doc); + return 0; } else { - struct yaz_record_conv_rule *r = - add_rule(p, YAZ_RECORD_CONV_RULE_XSLT); - r->u.xslt.xsp = xsp; + xsltFreeStylesheet(xsp); + return xsp_doc; } } return 0; } -static int conv_marc(yaz_record_conv_t p, const xmlNode *ptr) +static int convert_xslt(void *info, WRBUF record, WRBUF wr_error) { + int ret = 0; + xmlDocPtr doc = xmlParseMemory(wrbuf_buf(record), + wrbuf_len(record)); + if (!doc) + { + wrbuf_printf(wr_error, "xmlParseMemory failed"); + ret = -1; + } + else + { + xmlDocPtr xsp_doc = xmlCopyDoc((xmlDocPtr) info, 1); + xsltStylesheetPtr xsp = xsltParseStylesheetDoc(xsp_doc); + xmlDocPtr res = xsltApplyStylesheet(xsp, doc, 0); + if (res) + { + xmlChar *out_buf = 0; + int out_len; + +#if HAVE_XSLTSAVERESULTTOSTRING + xsltSaveResultToString(&out_buf, &out_len, res, xsp); +#else + xmlDocDumpFormatMemory (res, &out_buf, &out_len, 1); +#endif + if (!out_buf) + { + wrbuf_printf(wr_error, + "xsltSaveResultToString failed"); + ret = -1; + } + else + { + wrbuf_rewind(record); + wrbuf_write(record, (const char *) out_buf, out_len); + + xmlFree(out_buf); + } + xmlFreeDoc(res); + } + else + { + wrbuf_printf(wr_error, "xsltApplyStylesheet failed"); + ret = -1; + } + xmlFreeDoc(doc); + xsltFreeStylesheet(xsp); /* frees xsp_doc too */ + } + return ret; +} + +static void destroy_xslt(void *info) +{ + if (info) + { + xmlDocPtr xsp_doc = info; + xmlFreeDoc(xsp_doc); + } +} + +/* YAZ_HAVE_XSLT */ +#endif + + +static void *construct_marc(const xmlNode *ptr, + const char *path, WRBUF wr_error) +{ + NMEM nmem = nmem_create(); + struct marc_info *info = nmem_malloc(nmem, sizeof(*info)); struct _xmlAttr *attr; - const char *input_charset = 0; - const char *output_charset = 0; const char *input_format = 0; const char *output_format = 0; - int input_format_mode = 0; - int output_format_mode = 0; - struct yaz_record_conv_rule *r; - yaz_iconv_t cd = 0; + + if (strcmp((const char *) ptr->name, "marc")) + { + nmem_destroy(nmem); + return 0; + } + + info->nmem = nmem; + info->input_charset = 0; + info->output_charset = 0; + info->input_format_mode = 0; + info->output_format_mode = 0; + info->leader_spec = 0; for (attr = ptr->properties; attr; attr = attr->next) { if (!xmlStrcmp(attr->name, BAD_CAST "inputcharset") && attr->children && attr->children->type == XML_TEXT_NODE) - input_charset = (const char *) attr->children->content; + info->input_charset = (const char *) attr->children->content; else if (!xmlStrcmp(attr->name, BAD_CAST "outputcharset") && attr->children && attr->children->type == XML_TEXT_NODE) - output_charset = (const char *) attr->children->content; + info->output_charset = (const char *) attr->children->content; else if (!xmlStrcmp(attr->name, BAD_CAST "inputformat") && attr->children && attr->children->type == XML_TEXT_NODE) input_format = (const char *) attr->children->content; else if (!xmlStrcmp(attr->name, BAD_CAST "outputformat") && attr->children && attr->children->type == XML_TEXT_NODE) output_format = (const char *) attr->children->content; + else if (!xmlStrcmp(attr->name, BAD_CAST "leaderspec") && + attr->children && attr->children->type == XML_TEXT_NODE) + info->leader_spec = + nmem_strdup(info->nmem,(const char *) attr->children->content); else { - wrbuf_printf(p->wr_error, "Bad attribute '%s'.", attr->name); - return -1; + wrbuf_printf(wr_error, "Element : expected attributes" + "'inputformat', 'inputcharset', 'outputformat' or" + " 'outputcharset', got attribute '%s'", + attr->name); + nmem_destroy(info->nmem); + return 0; } } if (!input_format) { - wrbuf_printf(p->wr_error, "Attribute 'inputformat' required"); - return -1; + wrbuf_printf(wr_error, "Element : " + "attribute 'inputformat' required"); + nmem_destroy(info->nmem); + return 0; } else if (!strcmp(input_format, "marc")) { - input_format_mode = YAZ_MARC_ISO2709; + info->input_format_mode = YAZ_MARC_ISO2709; } else if (!strcmp(input_format, "xml")) { - input_format_mode = YAZ_MARC_MARCXML; + info->input_format_mode = YAZ_MARC_MARCXML; /** Libxml2 generates UTF-8 encoding by default . So we convert from UTF-8 to outputcharset (if defined) */ - if (!input_charset && output_charset) - input_charset = "utf-8"; + if (!info->input_charset && info->output_charset) + info->input_charset = "utf-8"; } else { - wrbuf_printf(p->wr_error, "Bad inputformat: '%s'", input_format); - return -1; + wrbuf_printf(wr_error, "Element : " + " Unsupported input format" + " defined by attribute value", + input_format); + nmem_destroy(info->nmem); + return 0; } if (!output_format) { - wrbuf_printf(p->wr_error, "Attribute 'outputformat' required"); - return -1; + wrbuf_printf(wr_error, + "Element : attribute 'outputformat' required"); + nmem_destroy(info->nmem); + return 0; } else if (!strcmp(output_format, "line")) { - output_format_mode = YAZ_MARC_LINE; + info->output_format_mode = YAZ_MARC_LINE; } else if (!strcmp(output_format, "marcxml")) { - output_format_mode = YAZ_MARC_MARCXML; - if (input_charset && !output_charset) - output_charset = "utf-8"; + info->output_format_mode = YAZ_MARC_MARCXML; + if (info->input_charset && !info->output_charset) + info->output_charset = "utf-8"; + } + else if (!strcmp(output_format, "turbomarc")) + { + info->output_format_mode = YAZ_MARC_TURBOMARC; + if (info->input_charset && !info->output_charset) + info->output_charset = "utf-8"; } else if (!strcmp(output_format, "marc")) { - output_format_mode = YAZ_MARC_ISO2709; + info->output_format_mode = YAZ_MARC_ISO2709; } else if (!strcmp(output_format, "marcxchange")) { - output_format_mode = YAZ_MARC_XCHANGE; - if (input_charset && !output_charset) - output_charset = "utf-8"; + info->output_format_mode = YAZ_MARC_XCHANGE; + if (info->input_charset && !info->output_charset) + info->output_charset = "utf-8"; } else { - wrbuf_printf(p->wr_error, "Bad outputformat: '%s'", input_format); - return -1; + wrbuf_printf(wr_error, "Element : " + " Unsupported output format" + " defined by attribute value", + output_format); + nmem_destroy(info->nmem); + return 0; } - if (input_charset && output_charset) + if (info->input_charset && info->output_charset) { - cd = yaz_iconv_open(output_charset, input_charset); + yaz_iconv_t cd = yaz_iconv_open(info->output_charset, + info->input_charset); if (!cd) { - wrbuf_printf(p->wr_error, "Unsupported character set mamping" - " inputcharset=%s outputcharset=%s", - input_charset, output_charset); - return -1; + wrbuf_printf(wr_error, + "Element :" + " Unsupported character set mapping" + " defined by attribute values", + info->input_charset, info->output_charset); + nmem_destroy(info->nmem); + return 0; } + yaz_iconv_close(cd); } - else if (input_charset) + else if (!info->output_charset) { - wrbuf_printf(p->wr_error, "Attribute 'outputcharset' missing"); - return -1; + wrbuf_printf(wr_error, "Element : " + "attribute 'outputcharset' missing"); + nmem_destroy(info->nmem); + return 0; } - else if (output_charset) + else if (!info->input_charset) { - wrbuf_printf(p->wr_error, "Attribute 'inputcharset' missing"); - return -1; + wrbuf_printf(wr_error, "Element : " + "attribute 'inputcharset' missing"); + nmem_destroy(info->nmem); + return 0; } - r = add_rule(p, YAZ_RECORD_CONV_RULE_MARC); - r->u.marc.iconv_t = cd; + info->input_charset = nmem_strdup(info->nmem, info->input_charset); + info->output_charset = nmem_strdup(info->nmem, info->output_charset); + return info; +} - r->u.marc.input_format = input_format_mode; - r->u.marc.output_format = output_format_mode; - return 0; +static int convert_marc(void *info, WRBUF record, WRBUF wr_error) +{ + struct marc_info *mi = info; + int ret = 0; + + yaz_iconv_t cd = yaz_iconv_open(mi->output_charset, mi->input_charset); + yaz_marc_t mt = yaz_marc_create(); + + yaz_marc_xml(mt, mi->output_format_mode); + if (mi->leader_spec) + yaz_marc_leader_spec(mt, mi->leader_spec); + + if (cd) + yaz_marc_iconv(mt, cd); + if (mi->input_format_mode == YAZ_MARC_ISO2709) + { + int sz = yaz_marc_read_iso2709(mt, wrbuf_buf(record), + wrbuf_len(record)); + if (sz > 0) + ret = 0; + else + ret = -1; + } + else if (mi->input_format_mode == YAZ_MARC_MARCXML || + mi->input_format_mode == YAZ_MARC_TURBOMARC) + { + xmlDocPtr doc = xmlParseMemory(wrbuf_buf(record), + wrbuf_len(record)); + if (!doc) + { + wrbuf_printf(wr_error, "xmlParseMemory failed"); + ret = -1; + } + else + { + ret = yaz_marc_read_xml(mt, xmlDocGetRootElement(doc)); + if (ret) + wrbuf_printf(wr_error, "yaz_marc_read_xml failed"); + } + xmlFreeDoc(doc); + } + else + { + wrbuf_printf(wr_error, "unsupported input format"); + ret = -1; + } + if (ret == 0) + { + wrbuf_rewind(record); + ret = yaz_marc_write_mode(mt, record); + if (ret) + wrbuf_printf(wr_error, "yaz_marc_write_mode failed"); + } + if (cd) + yaz_iconv_close(cd); + yaz_marc_destroy(mt); + return ret; } -int yaz_record_conv_configure(yaz_record_conv_t p, const void *ptr_v) +static void destroy_marc(void *info) { - const xmlNode *ptr = ptr_v; + struct marc_info *mi = info; + + nmem_destroy(mi->nmem); +} +int yaz_record_conv_configure_t(yaz_record_conv_t p, const xmlNode *ptr, + struct yaz_record_conv_type *types) +{ + struct yaz_record_conv_type bt[2]; + + /* register marc */ + bt[0].construct = construct_marc; + bt[0].convert = convert_marc; + bt[0].destroy = destroy_marc; + +#if YAZ_HAVE_XSLT + /* register xslt */ + bt[0].next = &bt[1]; + bt[1].next = types; + bt[1].construct = construct_xslt; + bt[1].convert = convert_xslt; + bt[1].destroy = destroy_xslt; +#else + bt[0].next = types; +#endif + yaz_record_conv_reset(p); - if (ptr && ptr->type == XML_ELEMENT_NODE && - !strcmp((const char *) ptr->name, "convert")) + /* parsing element children */ + for (ptr = ptr->children; ptr; ptr = ptr->next) { - for (ptr = ptr->children; ptr; ptr = ptr->next) + struct yaz_record_conv_type *t; + struct yaz_record_conv_rule *r; + void *info = 0; + if (ptr->type != XML_ELEMENT_NODE) + continue; + for (t = &bt[0]; t; t = t->next) { - if (ptr->type != XML_ELEMENT_NODE) - continue; - if (!strcmp((const char *) ptr->name, "xslt")) - { - if (conv_xslt(p, ptr)) - return -1; - } - else if (!strcmp((const char *) ptr->name, "marc")) - { - if (conv_marc(p, ptr)) - return -1; - } - else - { - wrbuf_printf(p->wr_error, "Bad element '%s'." - "Expected marc, xslt, ..", ptr->name); - return -1; - } + wrbuf_rewind(p->wr_error); + info = t->construct(ptr, p->path, p->wr_error); + + if (info || wrbuf_len(p->wr_error)) + break; + /* info== 0 and no error reported , ie not handled by it */ } - } - else - { - wrbuf_printf(p->wr_error, "Missing 'convert' element"); - return -1; + if (!info) + { + if (wrbuf_len(p->wr_error) == 0) + wrbuf_printf(p->wr_error, "Element : expected " + " or element, got <%s>" + , ptr->name); + return -1; + } + r = (struct yaz_record_conv_rule *) nmem_malloc(p->nmem, sizeof(*r)); + r->next = 0; + r->info = info; + r->type = nmem_malloc(p->nmem, sizeof(*t)); + memcpy(r->type, t, sizeof(*t)); + *p->rules_p = r; + p->rules_p = &r->next; } return 0; } -int yaz_record_conv_record(yaz_record_conv_t p, const char *input_record, - WRBUF output_record) +int yaz_record_conv_configure(yaz_record_conv_t p, const xmlNode *ptr) +{ + return yaz_record_conv_configure_t(p, ptr, 0); +} + +static int yaz_record_conv_record_rule(yaz_record_conv_t p, + struct yaz_record_conv_rule *r, + const char *input_record_buf, + size_t input_record_len, + WRBUF output_record) { int ret = 0; WRBUF record = output_record; /* pointer transfer */ - struct yaz_record_conv_rule *r = p->rules; wrbuf_rewind(p->wr_error); - wrbuf_puts(record, input_record); + wrbuf_write(record, input_record_buf, input_record_len); for (; ret == 0 && r; r = r->next) + ret = r->type->convert(r->info, record, p->wr_error); + return ret; +} + +int yaz_record_conv_opac_record(yaz_record_conv_t p, + Z_OPACRecord *input_record, + WRBUF output_record) +{ + int ret = 0; + struct yaz_record_conv_rule *r = p->rules; + if (!r || r->type->construct != construct_marc) + ret = -1; /* no marc rule so we can't do OPAC */ + else { - if (r->which == YAZ_RECORD_CONV_RULE_XSLT) - { - xmlDocPtr doc = xmlParseMemory(wrbuf_buf(record), - wrbuf_len(record)); - if (!doc) - { - wrbuf_printf(p->wr_error, "xmlParseMemory failed"); - ret = -1; - } - else - { - xmlDocPtr res = xsltApplyStylesheet(r->u.xslt.xsp, doc, 0); - if (res) - { - xmlChar *out_buf; - int out_len; - xmlDocDumpFormatMemory (res, &out_buf, &out_len, 1); - - wrbuf_rewind(record); - wrbuf_write(record, (const char *) out_buf, out_len); - - xmlFree(out_buf); - xmlFreeDoc(res); - } - else - { - wrbuf_printf(p->wr_error, "xsltApplyStylesheet faailed"); - ret = -1; - } - xmlFreeDoc(doc); - } - } - else if (r->which == YAZ_RECORD_CONV_RULE_MARC) + struct marc_info *mi = r->info; + + WRBUF res = wrbuf_alloc(); + yaz_marc_t mt = yaz_marc_create(); + yaz_iconv_t cd = yaz_iconv_open(mi->output_charset, + mi->input_charset); + + wrbuf_rewind(p->wr_error); + yaz_marc_xml(mt, mi->output_format_mode); + + yaz_marc_iconv(mt, cd); + + yaz_opac_decode_wrbuf(mt, input_record, res); + if (ret != -1) { - yaz_marc_t mt = yaz_marc_create(); - - yaz_marc_xml(mt, r->u.marc.output_format); - - if (r->u.marc.iconv_t) - yaz_marc_iconv(mt, r->u.marc.iconv_t); - if (r->u.marc.input_format == YAZ_MARC_ISO2709) - { - int sz = yaz_marc_read_iso2709(mt, wrbuf_buf(record), - wrbuf_len(record)); - if (sz > 0) - ret = 0; - else - ret = -1; - } - else if (r->u.marc.input_format == YAZ_MARC_MARCXML) - { - xmlDocPtr doc = xmlParseMemory(wrbuf_buf(record), - wrbuf_len(record)); - if (!doc) - { - wrbuf_printf(p->wr_error, "xmlParseMemory failed"); - ret = -1; - } - else - { - ret = yaz_marc_read_xml(mt, xmlDocGetRootElement(doc)); - if (ret) - wrbuf_printf(p->wr_error, "yaz_marc_read_xml failed"); - } - xmlFreeDoc(doc); - } - else - { - wrbuf_printf(p->wr_error, "unsupported input format"); - ret = -1; - } - if (ret == 0) - { - wrbuf_rewind(record); - ret = yaz_marc_write_mode(mt, record); - if (ret) - wrbuf_printf(p->wr_error, "yaz_marc_write_mode failed"); - } - yaz_marc_destroy(mt); + ret = yaz_record_conv_record_rule(p, + r->next, + wrbuf_buf(res), wrbuf_len(res), + output_record); } + yaz_marc_destroy(mt); + if (cd) + yaz_iconv_close(cd); + wrbuf_destroy(res); } return ret; } -#else -/* !HAVE_XSLT */ -int yaz_record_conv_configure(yaz_record_conv_t p, const void *ptr_v) +int yaz_record_conv_record(yaz_record_conv_t p, + const char *input_record_buf, + size_t input_record_len, + WRBUF output_record) { - wrbuf_rewind(p->wr_error); - wrbuf_printf(p->wr_error, "No XML support: yaz_record_conv_configure"); - return -1; + return yaz_record_conv_record_rule(p, p->rules, + input_record_buf, + input_record_len, output_record); } -int yaz_record_conv_record(yaz_record_conv_t p, const char *input_record, - WRBUF output_record); +const char *yaz_record_conv_get_error(yaz_record_conv_t p) { - wrbuf_rewind(p->wr_error); - wrbuf_printf(p->wr_error, "No XML support: yaz_record_conv_record"); - return -1; + return wrbuf_cstr(p->wr_error); } -#endif - -const char *yaz_record_conv_get_error(yaz_record_conv_t p) +void yaz_record_conv_set_path(yaz_record_conv_t p, const char *path) { - return wrbuf_buf(p->wr_error); + xfree(p->path); + p->path = 0; + if (path) + p->path = xstrdup(path); } -void yaz_record_conv_set_path(yaz_record_conv_t p, const char *path) +yaz_record_conv_t yaz_record_conv_create() { - if (p) - { - xfree(p->path); - p->path = 0; - if (path) - p->path = xstrdup(path); - } + yaz_record_conv_t p = (yaz_record_conv_t) xmalloc(sizeof(*p)); + p->nmem = nmem_create(); + p->wr_error = wrbuf_alloc(); + p->rules = 0; + p->path = 0; +#if YAZ_HAVE_EXSLT + exsltRegisterAll(); +#endif + return p; } +/* YAZ_HAVE_XML2 */ +#endif + /* * Local variables: * c-basic-offset: 4 + * c-file-style: "Stroustrup" * indent-tabs-mode: nil * End: * vim: shiftwidth=4 tabstop=8 expandtab