-/* $Id: xslt.c,v 1.8 2005-06-07 11:36:38 adam Exp $
+/* $Id: xslt.c,v 1.17 2005-08-24 08:30:37 adam Exp $
Copyright (C) 1995-2005
Index Data ApS
#include <libxml/xmlversion.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
+#include <libxml/xmlIO.h>
#include <libxml/xmlreader.h>
#include <libxslt/transform.h>
const char *stylesheet;
struct filter_schema *next;
const char *default_schema;
+ const char *include_snippet;
xsltStylesheetPtr stylesheet_xsp;
};
xmlTextReaderPtr reader;
};
-#define ZEBRA_INDEX_NS "http://indexdata.dk/zebra/indexing/1"
-#define ZEBRA_SCHEMA_IDENTITY_NS "http://indexdata.dk/zebra/identity/1"
-static const char *zebra_index_ns = ZEBRA_INDEX_NS;
+#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)
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 void *filter_init_xslt(Res res, RecType recType)
+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->odr = odr_createmem(ODR_ENCODE);
tinfo->doc = 0;
tinfo->schemas = 0;
- return tinfo;
-}
-static void *filter_init_xslt1(Res res, RecType recType)
-{
- struct filter_info *tinfo = (struct filter_info *)
- filter_init_xslt(res, recType);
- tinfo->split_level = "1";
+#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 (!strcmp(attr->name, name) && attr->children &&
+ if (!XML_STRCMP(attr->name, name) && attr->children &&
attr->children->type == XML_TEXT_NODE)
{
- *dst_content = attr->children->content;
+ *dst_content = (const char *)(attr->children->content);
return 1;
}
return 0;
return ZEBRA_FAIL;
ptr = xmlDocGetRootElement(tinfo->doc);
if (!ptr || ptr->type != XML_ELEMENT_NODE ||
- strcmp(ptr->name, "schemaInfo"))
+ XML_STRCMP(ptr->name, "schemaInfo"))
return ZEBRA_FAIL;
for (ptr = ptr->children; ptr; ptr = ptr->next)
{
if (ptr->type != XML_ELEMENT_NODE)
continue;
- if (!strcmp(ptr->name, "schema"))
+ if (!XML_STRCMP(ptr->name, "schema"))
{
struct _xmlAttr *attr;
struct filter_schema *schema = xmalloc(sizeof(*schema));
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, "name", &schema->name);
attr_content(attr, "stylesheet", &schema->stylesheet);
attr_content(attr, "default", &schema->default_schema);
+ attr_content(attr, "snippet", &schema->include_snippet);
}
if (schema->stylesheet)
schema->stylesheet_xsp =
xsltParseStylesheetFile(
(const xmlChar*) schema->stylesheet);
}
- else if (!strcmp(ptr->name, "split"))
+ else if (!XML_STRCMP(ptr->name, "split"))
{
struct _xmlAttr *attr;
for (attr = ptr->properties; attr; attr = attr->next)
return 0;
}
-static void index_field(struct filter_info *tinfo, struct recExtractCtrl *ctrl,
+static void index_cdata(struct filter_info *tinfo, struct recExtractCtrl *ctrl,
xmlNodePtr ptr, RecWord *recWord)
{
for(; ptr; ptr = ptr->next)
{
- index_field(tinfo, ctrl, ptr->children, recWord);
+ index_cdata(tinfo, ctrl, ptr->children, recWord);
if (ptr->type != XML_TEXT_NODE)
continue;
- recWord->term_buf = ptr->content;
- recWord->term_len = strlen(ptr->content);
+ recWord->term_buf = (const char *)ptr->content;
+ recWord->term_len = XML_STRLEN(ptr->content);
(*ctrl->tokenAdd)(recWord);
}
}
{
index_node(tinfo, ctrl, ptr->children, recWord);
if (ptr->type != XML_ELEMENT_NODE || !ptr->ns ||
- strcmp(ptr->ns->href, zebra_index_ns))
+ XML_STRCMP(ptr->ns->href, zebra_xslt_ns))
continue;
- if (!strcmp(ptr->name, "index"))
+ if (!XML_STRCMP(ptr->name, "index"))
{
- char *field_str = 0;
+ 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)
{
- if (!strcmp(attr->name, "field")
- && attr->children && attr->children->type == XML_TEXT_NODE)
- field_str = attr->children->content;
- if (!strcmp(attr->name, "xpath")
- && attr->children && attr->children->type == XML_TEXT_NODE)
- xpath_str = attr->children->content;
+ attr_content(attr, "name", &name_str);
+ attr_content(attr, "xpath", &xpath_str);
+ attr_content(attr, "type", &type_str);
}
- if (field_str)
+ if (name_str)
{
- recWord->attrStr = field_str;
- index_field(tinfo, ctrl, ptr->children, recWord);
+ 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)
+{
+ if (ptr && ptr->type == XML_ELEMENT_NODE && ptr->ns &&
+ !XML_STRCMP(ptr->ns->href, zebra_xslt_ns)
+ && !XML_STRCMP(ptr->name, "record"))
+ {
+ const char *type_str = "update";
+ 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);
+ yaz_log(YLOG_LOG, "rank=%d",ctrl->staticrank);
+ }
+ else
+ yaz_log(YLOG_LOG, "no rank");
+
+ ptr = ptr->children;
+ }
+ index_node(tinfo, ctrl, ptr, recWord);
+}
+
static int extract_doc(struct filter_info *tinfo, struct recExtractCtrl *p,
xmlDocPtr doc)
{
xmlChar *buf_out;
int len_out;
- struct filter_schema *schema = lookup_schema(tinfo, ZEBRA_INDEX_NS);
+ struct filter_schema *schema = lookup_schema(tinfo, zebra_xslt_ns);
params[0] = 0;
- set_param_str(params, "schema", ZEBRA_INDEX_NS, tinfo->odr);
+ set_param_str(params, "schema", zebra_xslt_ns, tinfo->odr);
(*p->init)(p, &recWord);
- recWord.reg_type = 'w';
if (schema && schema->stylesheet_xsp)
{
+ xmlNodePtr root_ptr;
xmlDocPtr resDoc =
xsltApplyStylesheet(schema->stylesheet_xsp,
doc, params);
fwrite(buf_out, len_out, 1, stdout);
xmlFree(buf_out);
}
- index_node(tinfo, p, xmlDocGetRootElement(resDoc), &recWord);
+ 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);
{
xmlNodePtr ptr = xmlTextReaderExpand(tinfo->reader);
xmlNodePtr ptr2 = xmlCopyNode(ptr, 1);
- xmlDocPtr doc = xmlNewDoc("1.0");
+ xmlDocPtr doc = xmlNewDoc((const xmlChar*) "1.0");
xmlDocSetRootElement(doc, ptr2);
- return extract_doc(tinfo, p, doc);
- }
+ return extract_doc(tinfo, p, doc);
+ }
ret = xmlTextReaderRead(tinfo->reader);
}
xmlFreeTextReader(tinfo->reader);
}
-static const char *snippet_doc(struct recRetrieveCtrl *p)
+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, 10);
+ zebra_snippets_window(p->doc_snippet, p->hit_snippet, window_size);
zebra_snippet_word *w = zebra_snippets_list(res);
-#if 1
- wrbuf_printf(wrbuf, "\'");
-#else
- wrbuf_printf(wrbuf, "<snippet>\n");
-#endif
+ if (text_mode)
+ wrbuf_printf(wrbuf, "\'");
+ else
+ wrbuf_printf(wrbuf, "<snippet xmlns='%s'>\n", zebra_xslt_ns);
for (; w; w = w->next)
{
if (ord == 0)
ord = w->ord;
else if (ord != w->ord)
+
break;
-#if 1
- wrbuf_printf(wrbuf, "%s%s%s ",
- w->match ? "*" : "",
- w->term,
- w->match ? "*" : "");
-#else
- wrbuf_printf(wrbuf, " <term %s ord='%d' seqno='%d'>",
- (w->match ? "match='1'" : ""),
- w->ord, w->seqno);
- wrbuf_xmlputs(wrbuf, w->term);
- wrbuf_printf(wrbuf, "</term>\n");
-#endif
+ if (text_mode)
+ wrbuf_printf(wrbuf, "%s%s%s ",
+ w->match ? "*" : "",
+ w->term,
+ w->match ? "*" : "");
+ else
+ {
+ wrbuf_printf(wrbuf, " <term ord='%d' seqno='" ZINT_FORMAT "' %s>",
+ w->ord, w->seqno,
+ (w->match ? "match='1'" : ""));
+ wrbuf_xmlputs(wrbuf, w->term);
+ wrbuf_printf(wrbuf, "</term>\n");
+ }
}
-#if 1
- wrbuf_printf(wrbuf, "\'");
-#else
- wrbuf_printf(wrbuf, "</snippet>\n");
-#endif
+ if (text_mode)
+ wrbuf_printf(wrbuf, "\'");
+ else
+ wrbuf_printf(wrbuf, "</snippet>\n");
+
xml_doc_str = odr_strdup(p->odr, wrbuf_buf(wrbuf));
zebra_snippets_destroy(res);
static int filter_retrieve (void *clientData, struct recRetrieveCtrl *p)
{
- const char *esn = ZEBRA_SCHEMA_IDENTITY_NS;
- const char *params[10];
+ const char *esn = zebra_xslt_ns;
+ const char *params[20];
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)
+ if (p->comp->which == Z_RecordComp_simple
+ && p->comp->u.simple->which == Z_ElementSetNames_generic)
{
- p->diagnostic = YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP;
- return 0;
+ 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;
}
- esn = p->comp->u.simple->u.generic;
}
schema = lookup_schema(tinfo, esn);
if (!schema)
return 0;
}
+ if (schema->include_snippet)
+ window_size = atoi(schema->include_snippet);
+
params[0] = 0;
set_param_str(params, "schema", esn, p->odr);
if (p->fname)
if (p->score >= 0)
set_param_int(params, "score", p->score, p->odr);
set_param_int(params, "size", p->recordSize, p->odr);
-
- set_param_xml(params, "snippet", snippet_doc(p), p->odr);
+ set_param_int(params, "id", p->localno, 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 */,
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
return 0;
}
-static struct recType filter_type_xslt = {
+static struct recType filter_type = {
0,
"xslt",
- filter_init_xslt,
- filter_config,
- filter_destroy,
- filter_extract,
- filter_retrieve
-};
-
-static struct recType filter_type_xslt1 = {
- 0,
- "xslt1",
- filter_init_xslt1,
+ filter_init,
filter_config,
filter_destroy,
filter_extract,
#endif
[] = {
- &filter_type_xslt,
-#ifdef LIBXML_READER_ENABLED
- &filter_type_xslt1,
-#endif
+ &filter_type,
0,
};
projects / idzebra-moved-to-github.git / blobdiff