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Unified Diff: third_party/libxslt/libxslt/xsltutils.c

Issue 2865973002: Check in the libxslt roll script. (Closed)
Patch Set: Consistent quotes. Created 3 years, 7 months ago
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Index: third_party/libxslt/libxslt/xsltutils.c
diff --git a/third_party/libxslt/libxslt/xsltutils.c b/third_party/libxslt/libxslt/xsltutils.c
deleted file mode 100644
index c250ccfabb8f34eaff5ed5ce18f509f3062404e8..0000000000000000000000000000000000000000
--- a/third_party/libxslt/libxslt/xsltutils.c
+++ /dev/null
@@ -1,2483 +0,0 @@
-/*
- * xsltutils.c: Utilities for the XSL Transformation 1.0 engine
- *
- * Reference:
- * http://www.w3.org/TR/1999/REC-xslt-19991116
- *
- * See Copyright for the status of this software.
- *
- * daniel@veillard.com
- */
-
-#define IN_LIBXSLT
-#include "libxslt.h"
-
-#ifndef XSLT_NEED_TRIO
-#include <stdio.h>
-#else
-#include <trio.h>
-#endif
-
-#include <string.h>
-#include <time.h>
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#include <stdarg.h>
-
-#include <libxml/xmlmemory.h>
-#include <libxml/tree.h>
-#include <libxml/HTMLtree.h>
-#include <libxml/xmlerror.h>
-#include <libxml/xmlIO.h>
-#include "xsltutils.h"
-#include "templates.h"
-#include "xsltInternals.h"
-#include "imports.h"
-#include "transform.h"
-
-/* gettimeofday on Windows ??? */
-#if defined(WIN32) && !defined(__CYGWIN__)
-#ifdef _MSC_VER
-#include <winsock2.h>
-#pragma comment(lib, "ws2_32.lib")
-#define gettimeofday(p1,p2)
-#define HAVE_GETTIMEOFDAY
-#define XSLT_WIN32_PERFORMANCE_COUNTER
-#endif /* _MS_VER */
-#endif /* WIN32 */
-
-/************************************************************************
- * *
- * Convenience function *
- * *
- ************************************************************************/
-
-/**
- * xsltGetCNsProp:
- * @style: the stylesheet
- * @node: the node
- * @name: the attribute name
- * @nameSpace: the URI of the namespace
- *
- * Similar to xmlGetNsProp() but with a slightly different semantic
- *
- * Search and get the value of an attribute associated to a node
- * This attribute has to be anchored in the namespace specified,
- * or has no namespace and the element is in that namespace.
- *
- * This does the entity substitution.
- * This function looks in DTD attribute declaration for #FIXED or
- * default declaration values unless DTD use has been turned off.
- *
- * Returns the attribute value or NULL if not found. The string is allocated
- * in the stylesheet dictionary.
- */
-const xmlChar *
-xsltGetCNsProp(xsltStylesheetPtr style, xmlNodePtr node,
- const xmlChar *name, const xmlChar *nameSpace) {
- xmlAttrPtr prop;
- xmlDocPtr doc;
- xmlNsPtr ns;
- xmlChar *tmp;
- const xmlChar *ret;
-
- if ((node == NULL) || (style == NULL) || (style->dict == NULL))
- return(NULL);
-
- if (nameSpace == NULL)
- return xmlGetProp(node, name);
-
- if (node->type == XML_NAMESPACE_DECL)
- return(NULL);
- if (node->type == XML_ELEMENT_NODE)
- prop = node->properties;
- else
- prop = NULL;
- while (prop != NULL) {
- /*
- * One need to have
- * - same attribute names
- * - and the attribute carrying that namespace
- */
- if ((xmlStrEqual(prop->name, name)) &&
- (((prop->ns == NULL) && (node->ns != NULL) &&
- (xmlStrEqual(node->ns->href, nameSpace))) ||
- ((prop->ns != NULL) &&
- (xmlStrEqual(prop->ns->href, nameSpace))))) {
-
- tmp = xmlNodeListGetString(node->doc, prop->children, 1);
- if (tmp == NULL)
- ret = xmlDictLookup(style->dict, BAD_CAST "", 0);
- else {
- ret = xmlDictLookup(style->dict, tmp, -1);
- xmlFree(tmp);
- }
- return ret;
- }
- prop = prop->next;
- }
- tmp = NULL;
- /*
- * Check if there is a default declaration in the internal
- * or external subsets
- */
- doc = node->doc;
- if (doc != NULL) {
- if (doc->intSubset != NULL) {
- xmlAttributePtr attrDecl;
-
- attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name);
- if ((attrDecl == NULL) && (doc->extSubset != NULL))
- attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name);
-
- if ((attrDecl != NULL) && (attrDecl->prefix != NULL)) {
- /*
- * The DTD declaration only allows a prefix search
- */
- ns = xmlSearchNs(doc, node, attrDecl->prefix);
- if ((ns != NULL) && (xmlStrEqual(ns->href, nameSpace)))
- return(xmlDictLookup(style->dict,
- attrDecl->defaultValue, -1));
- }
- }
- }
- return(NULL);
-}
-/**
- * xsltGetNsProp:
- * @node: the node
- * @name: the attribute name
- * @nameSpace: the URI of the namespace
- *
- * Similar to xmlGetNsProp() but with a slightly different semantic
- *
- * Search and get the value of an attribute associated to a node
- * This attribute has to be anchored in the namespace specified,
- * or has no namespace and the element is in that namespace.
- *
- * This does the entity substitution.
- * This function looks in DTD attribute declaration for #FIXED or
- * default declaration values unless DTD use has been turned off.
- *
- * Returns the attribute value or NULL if not found.
- * It's up to the caller to free the memory.
- */
-xmlChar *
-xsltGetNsProp(xmlNodePtr node, const xmlChar *name, const xmlChar *nameSpace) {
- xmlAttrPtr prop;
- xmlDocPtr doc;
- xmlNsPtr ns;
-
- if (node == NULL)
- return(NULL);
-
- if (nameSpace == NULL)
- return xmlGetProp(node, name);
-
- if (node->type == XML_NAMESPACE_DECL)
- return(NULL);
- if (node->type == XML_ELEMENT_NODE)
- prop = node->properties;
- else
- prop = NULL;
- /*
- * TODO: Substitute xmlGetProp() for xmlGetNsProp(), since the former
- * is not namespace-aware and will return an attribute with equal
- * name regardless of its namespace.
- * Example:
- * <xsl:element foo:name="myName"/>
- * So this would return "myName" even if an attribute @name
- * in the XSLT was requested.
- */
- while (prop != NULL) {
- /*
- * One need to have
- * - same attribute names
- * - and the attribute carrying that namespace
- */
- if ((xmlStrEqual(prop->name, name)) &&
- (((prop->ns == NULL) && (node->ns != NULL) &&
- (xmlStrEqual(node->ns->href, nameSpace))) ||
- ((prop->ns != NULL) &&
- (xmlStrEqual(prop->ns->href, nameSpace))))) {
- xmlChar *ret;
-
- ret = xmlNodeListGetString(node->doc, prop->children, 1);
- if (ret == NULL) return(xmlStrdup((xmlChar *)""));
- return(ret);
- }
- prop = prop->next;
- }
-
- /*
- * Check if there is a default declaration in the internal
- * or external subsets
- */
- doc = node->doc;
- if (doc != NULL) {
- if (doc->intSubset != NULL) {
- xmlAttributePtr attrDecl;
-
- attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name);
- if ((attrDecl == NULL) && (doc->extSubset != NULL))
- attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name);
-
- if ((attrDecl != NULL) && (attrDecl->prefix != NULL)) {
- /*
- * The DTD declaration only allows a prefix search
- */
- ns = xmlSearchNs(doc, node, attrDecl->prefix);
- if ((ns != NULL) && (xmlStrEqual(ns->href, nameSpace)))
- return(xmlStrdup(attrDecl->defaultValue));
- }
- }
- }
- return(NULL);
-}
-
-/**
- * xsltGetUTF8Char:
- * @utf: a sequence of UTF-8 encoded bytes
- * @len: a pointer to @bytes len
- *
- * Read one UTF8 Char from @utf
- * Function copied from libxml2 xmlGetUTF8Char() ... to discard ultimately
- * and use the original API
- *
- * Returns the char value or -1 in case of error and update @len with the
- * number of bytes used
- */
-int
-xsltGetUTF8Char(const unsigned char *utf, int *len) {
- unsigned int c;
-
- if (utf == NULL)
- goto error;
- if (len == NULL)
- goto error;
- if (*len < 1)
- goto error;
-
- c = utf[0];
- if (c & 0x80) {
- if (*len < 2)
- goto error;
- if ((utf[1] & 0xc0) != 0x80)
- goto error;
- if ((c & 0xe0) == 0xe0) {
- if (*len < 3)
- goto error;
- if ((utf[2] & 0xc0) != 0x80)
- goto error;
- if ((c & 0xf0) == 0xf0) {
- if (*len < 4)
- goto error;
- if ((c & 0xf8) != 0xf0 || (utf[3] & 0xc0) != 0x80)
- goto error;
- *len = 4;
- /* 4-byte code */
- c = (utf[0] & 0x7) << 18;
- c |= (utf[1] & 0x3f) << 12;
- c |= (utf[2] & 0x3f) << 6;
- c |= utf[3] & 0x3f;
- } else {
- /* 3-byte code */
- *len = 3;
- c = (utf[0] & 0xf) << 12;
- c |= (utf[1] & 0x3f) << 6;
- c |= utf[2] & 0x3f;
- }
- } else {
- /* 2-byte code */
- *len = 2;
- c = (utf[0] & 0x1f) << 6;
- c |= utf[1] & 0x3f;
- }
- } else {
- /* 1-byte code */
- *len = 1;
- }
- return(c);
-
-error:
- if (len != NULL)
- *len = 0;
- return(-1);
-}
-
-#ifdef XSLT_REFACTORED
-
-/**
- * xsltPointerListAddSize:
- * @list: the pointer list structure
- * @item: the item to be stored
- * @initialSize: the initial size of the list
- *
- * Adds an item to the list.
- *
- * Returns the position of the added item in the list or
- * -1 in case of an error.
- */
-int
-xsltPointerListAddSize(xsltPointerListPtr list,
- void *item,
- int initialSize)
-{
- if (list->items == NULL) {
- if (initialSize <= 0)
- initialSize = 1;
- list->items = (void **) xmlMalloc(
- initialSize * sizeof(void *));
- if (list->items == NULL) {
- xsltGenericError(xsltGenericErrorContext,
- "xsltPointerListAddSize: memory allocation failure.\n");
- return(-1);
- }
- list->number = 0;
- list->size = initialSize;
- } else if (list->size <= list->number) {
- list->size *= 2;
- list->items = (void **) xmlRealloc(list->items,
- list->size * sizeof(void *));
- if (list->items == NULL) {
- xsltGenericError(xsltGenericErrorContext,
- "xsltPointerListAddSize: memory re-allocation failure.\n");
- list->size = 0;
- return(-1);
- }
- }
- list->items[list->number++] = item;
- return(0);
-}
-
-/**
- * xsltPointerListCreate:
- * @initialSize: the initial size for the list
- *
- * Creates an xsltPointerList structure.
- *
- * Returns a xsltPointerList structure or NULL in case of an error.
- */
-xsltPointerListPtr
-xsltPointerListCreate(int initialSize)
-{
- xsltPointerListPtr ret;
-
- ret = xmlMalloc(sizeof(xsltPointerList));
- if (ret == NULL) {
- xsltGenericError(xsltGenericErrorContext,
- "xsltPointerListCreate: memory allocation failure.\n");
- return (NULL);
- }
- memset(ret, 0, sizeof(xsltPointerList));
- if (initialSize > 0) {
- xsltPointerListAddSize(ret, NULL, initialSize);
- ret->number = 0;
- }
- return (ret);
-}
-
-/**
- * xsltPointerListFree:
- * @list: pointer to the list to be freed
- *
- * Frees the xsltPointerList structure. This does not free
- * the content of the list.
- */
-void
-xsltPointerListFree(xsltPointerListPtr list)
-{
- if (list == NULL)
- return;
- if (list->items != NULL)
- xmlFree(list->items);
- xmlFree(list);
-}
-
-/**
- * xsltPointerListClear:
- * @list: pointer to the list to be cleared
- *
- * Resets the list, but does not free the allocated array
- * and does not free the content of the list.
- */
-void
-xsltPointerListClear(xsltPointerListPtr list)
-{
- if (list->items != NULL) {
- xmlFree(list->items);
- list->items = NULL;
- }
- list->number = 0;
- list->size = 0;
-}
-
-#endif /* XSLT_REFACTORED */
-
-/************************************************************************
- * *
- * Handling of XSLT stylesheets messages *
- * *
- ************************************************************************/
-
-/**
- * xsltMessage:
- * @ctxt: an XSLT processing context
- * @node: The current node
- * @inst: The node containing the message instruction
- *
- * Process and xsl:message construct
- */
-void
-xsltMessage(xsltTransformContextPtr ctxt, xmlNodePtr node, xmlNodePtr inst) {
- xmlGenericErrorFunc error = xsltGenericError;
- void *errctx = xsltGenericErrorContext;
- xmlChar *prop, *message;
- int terminate = 0;
-
- if ((ctxt == NULL) || (inst == NULL))
- return;
-
- if (ctxt->error != NULL) {
- error = ctxt->error;
- errctx = ctxt->errctx;
- }
-
- prop = xmlGetNsProp(inst, (const xmlChar *)"terminate", NULL);
- if (prop != NULL) {
- if (xmlStrEqual(prop, (const xmlChar *)"yes")) {
- terminate = 1;
- } else if (xmlStrEqual(prop, (const xmlChar *)"no")) {
- terminate = 0;
- } else {
- xsltTransformError(ctxt, NULL, inst,
- "xsl:message : terminate expecting 'yes' or 'no'\n");
- }
- xmlFree(prop);
- }
- message = xsltEvalTemplateString(ctxt, node, inst);
- if (message != NULL) {
- int len = xmlStrlen(message);
-
- error(errctx, "%s", (const char *)message);
- if ((len > 0) && (message[len - 1] != '\n'))
- error(errctx, "\n");
- xmlFree(message);
- }
- if (terminate)
- ctxt->state = XSLT_STATE_STOPPED;
-}
-
-/************************************************************************
- * *
- * Handling of out of context errors *
- * *
- ************************************************************************/
-
-#define XSLT_GET_VAR_STR(msg, str) { \
- int size; \
- int chars; \
- char *larger; \
- va_list ap; \
- \
- str = (char *) xmlMalloc(150); \
- if (str == NULL) \
- return; \
- \
- size = 150; \
- \
- while (size < 64000) { \
- va_start(ap, msg); \
- chars = vsnprintf(str, size, msg, ap); \
- va_end(ap); \
- if ((chars > -1) && (chars < size)) \
- break; \
- if (chars > -1) \
- size += chars + 1; \
- else \
- size += 100; \
- if ((larger = (char *) xmlRealloc(str, size)) == NULL) {\
- xmlFree(str); \
- return; \
- } \
- str = larger; \
- } \
-}
-/**
- * xsltGenericErrorDefaultFunc:
- * @ctx: an error context
- * @msg: the message to display/transmit
- * @...: extra parameters for the message display
- *
- * Default handler for out of context error messages.
- */
-static void LIBXSLT_ATTR_FORMAT(2,3)
-xsltGenericErrorDefaultFunc(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...) {
- va_list args;
-
- if (xsltGenericErrorContext == NULL)
- xsltGenericErrorContext = (void *) stderr;
-
- va_start(args, msg);
- vfprintf((FILE *)xsltGenericErrorContext, msg, args);
- va_end(args);
-}
-
-xmlGenericErrorFunc xsltGenericError = xsltGenericErrorDefaultFunc;
-void *xsltGenericErrorContext = NULL;
-
-
-/**
- * xsltSetGenericErrorFunc:
- * @ctx: the new error handling context
- * @handler: the new handler function
- *
- * Function to reset the handler and the error context for out of
- * context error messages.
- * This simply means that @handler will be called for subsequent
- * error messages while not parsing nor validating. And @ctx will
- * be passed as first argument to @handler
- * One can simply force messages to be emitted to another FILE * than
- * stderr by setting @ctx to this file handle and @handler to NULL.
- */
-void
-xsltSetGenericErrorFunc(void *ctx, xmlGenericErrorFunc handler) {
- xsltGenericErrorContext = ctx;
- if (handler != NULL)
- xsltGenericError = handler;
- else
- xsltGenericError = xsltGenericErrorDefaultFunc;
-}
-
-/**
- * xsltGenericDebugDefaultFunc:
- * @ctx: an error context
- * @msg: the message to display/transmit
- * @...: extra parameters for the message display
- *
- * Default handler for out of context error messages.
- */
-static void LIBXSLT_ATTR_FORMAT(2,3)
-xsltGenericDebugDefaultFunc(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...) {
- va_list args;
-
- if (xsltGenericDebugContext == NULL)
- return;
-
- va_start(args, msg);
- vfprintf((FILE *)xsltGenericDebugContext, msg, args);
- va_end(args);
-}
-
-xmlGenericErrorFunc xsltGenericDebug = xsltGenericDebugDefaultFunc;
-void *xsltGenericDebugContext = NULL;
-
-
-/**
- * xsltSetGenericDebugFunc:
- * @ctx: the new error handling context
- * @handler: the new handler function
- *
- * Function to reset the handler and the error context for out of
- * context error messages.
- * This simply means that @handler will be called for subsequent
- * error messages while not parsing or validating. And @ctx will
- * be passed as first argument to @handler
- * One can simply force messages to be emitted to another FILE * than
- * stderr by setting @ctx to this file handle and @handler to NULL.
- */
-void
-xsltSetGenericDebugFunc(void *ctx, xmlGenericErrorFunc handler) {
- xsltGenericDebugContext = ctx;
- if (handler != NULL)
- xsltGenericDebug = handler;
- else
- xsltGenericDebug = xsltGenericDebugDefaultFunc;
-}
-
-/**
- * xsltPrintErrorContext:
- * @ctxt: the transformation context
- * @style: the stylesheet
- * @node: the current node being processed
- *
- * Display the context of an error.
- */
-void
-xsltPrintErrorContext(xsltTransformContextPtr ctxt,
- xsltStylesheetPtr style, xmlNodePtr node) {
- int line = 0;
- const xmlChar *file = NULL;
- const xmlChar *name = NULL;
- const char *type = "error";
- xmlGenericErrorFunc error = xsltGenericError;
- void *errctx = xsltGenericErrorContext;
-
- if (ctxt != NULL) {
- if (ctxt->state == XSLT_STATE_OK)
- ctxt->state = XSLT_STATE_ERROR;
- if (ctxt->error != NULL) {
- error = ctxt->error;
- errctx = ctxt->errctx;
- }
- }
- if ((node == NULL) && (ctxt != NULL))
- node = ctxt->inst;
-
- if (node != NULL) {
- if ((node->type == XML_DOCUMENT_NODE) ||
- (node->type == XML_HTML_DOCUMENT_NODE)) {
- xmlDocPtr doc = (xmlDocPtr) node;
-
- file = doc->URL;
- } else {
- line = xmlGetLineNo(node);
- if ((node->doc != NULL) && (node->doc->URL != NULL))
- file = node->doc->URL;
- if (node->name != NULL)
- name = node->name;
- }
- }
-
- if (ctxt != NULL)
- type = "runtime error";
- else if (style != NULL) {
-#ifdef XSLT_REFACTORED
- if (XSLT_CCTXT(style)->errSeverity == XSLT_ERROR_SEVERITY_WARNING)
- type = "compilation warning";
- else
- type = "compilation error";
-#else
- type = "compilation error";
-#endif
- }
-
- if ((file != NULL) && (line != 0) && (name != NULL))
- error(errctx, "%s: file %s line %d element %s\n",
- type, file, line, name);
- else if ((file != NULL) && (name != NULL))
- error(errctx, "%s: file %s element %s\n", type, file, name);
- else if ((file != NULL) && (line != 0))
- error(errctx, "%s: file %s line %d\n", type, file, line);
- else if (file != NULL)
- error(errctx, "%s: file %s\n", type, file);
- else if (name != NULL)
- error(errctx, "%s: element %s\n", type, name);
- else
- error(errctx, "%s\n", type);
-}
-
-/**
- * xsltSetTransformErrorFunc:
- * @ctxt: the XSLT transformation context
- * @ctx: the new error handling context
- * @handler: the new handler function
- *
- * Function to reset the handler and the error context for out of
- * context error messages specific to a given XSLT transromation.
- *
- * This simply means that @handler will be called for subsequent
- * error messages while running the transformation.
- */
-void
-xsltSetTransformErrorFunc(xsltTransformContextPtr ctxt,
- void *ctx, xmlGenericErrorFunc handler)
-{
- ctxt->error = handler;
- ctxt->errctx = ctx;
-}
-
-/**
- * xsltTransformError:
- * @ctxt: an XSLT transformation context
- * @style: the XSLT stylesheet used
- * @node: the current node in the stylesheet
- * @msg: the message to display/transmit
- * @...: extra parameters for the message display
- *
- * Display and format an error messages, gives file, line, position and
- * extra parameters, will use the specific transformation context if available
- */
-void
-xsltTransformError(xsltTransformContextPtr ctxt,
- xsltStylesheetPtr style,
- xmlNodePtr node,
- const char *msg, ...) {
- xmlGenericErrorFunc error = xsltGenericError;
- void *errctx = xsltGenericErrorContext;
- char * str;
-
- if (ctxt != NULL) {
- if (ctxt->state == XSLT_STATE_OK)
- ctxt->state = XSLT_STATE_ERROR;
- if (ctxt->error != NULL) {
- error = ctxt->error;
- errctx = ctxt->errctx;
- }
- }
- if ((node == NULL) && (ctxt != NULL))
- node = ctxt->inst;
- xsltPrintErrorContext(ctxt, style, node);
- XSLT_GET_VAR_STR(msg, str);
- error(errctx, "%s", str);
- if (str != NULL)
- xmlFree(str);
-}
-
-/************************************************************************
- * *
- * QNames *
- * *
- ************************************************************************/
-
-/**
- * xsltSplitQName:
- * @dict: a dictionary
- * @name: the full QName
- * @prefix: the return value
- *
- * Split QNames into prefix and local names, both allocated from a dictionary.
- *
- * Returns: the localname or NULL in case of error.
- */
-const xmlChar *
-xsltSplitQName(xmlDictPtr dict, const xmlChar *name, const xmlChar **prefix) {
- int len = 0;
- const xmlChar *ret = NULL;
-
- *prefix = NULL;
- if ((name == NULL) || (dict == NULL)) return(NULL);
- if (name[0] == ':')
- return(xmlDictLookup(dict, name, -1));
- while ((name[len] != 0) && (name[len] != ':')) len++;
- if (name[len] == 0) return(xmlDictLookup(dict, name, -1));
- *prefix = xmlDictLookup(dict, name, len);
- ret = xmlDictLookup(dict, &name[len + 1], -1);
- return(ret);
-}
-
-/**
- * xsltGetQNameURI:
- * @node: the node holding the QName
- * @name: pointer to the initial QName value
- *
- * This function analyzes @name, if the name contains a prefix,
- * the function seaches the associated namespace in scope for it.
- * It will also replace @name value with the NCName, the old value being
- * freed.
- * Errors in the prefix lookup are signalled by setting @name to NULL.
- *
- * NOTE: the namespace returned is a pointer to the place where it is
- * defined and hence has the same lifespan as the document holding it.
- *
- * Returns the namespace URI if there is a prefix, or NULL if @name is
- * not prefixed.
- */
-const xmlChar *
-xsltGetQNameURI(xmlNodePtr node, xmlChar ** name)
-{
- int len = 0;
- xmlChar *qname;
- xmlNsPtr ns;
-
- if (name == NULL)
- return(NULL);
- qname = *name;
- if ((qname == NULL) || (*qname == 0))
- return(NULL);
- if (node == NULL) {
- xsltGenericError(xsltGenericErrorContext,
- "QName: no element for namespace lookup %s\n",
- qname);
- xmlFree(qname);
- *name = NULL;
- return(NULL);
- }
-
- /* nasty but valid */
- if (qname[0] == ':')
- return(NULL);
-
- /*
- * we are not trying to validate but just to cut, and yes it will
- * work even if this is a set of UTF-8 encoded chars
- */
- while ((qname[len] != 0) && (qname[len] != ':'))
- len++;
-
- if (qname[len] == 0)
- return(NULL);
-
- /*
- * handle xml: separately, this one is magical
- */
- if ((qname[0] == 'x') && (qname[1] == 'm') &&
- (qname[2] == 'l') && (qname[3] == ':')) {
- if (qname[4] == 0)
- return(NULL);
- *name = xmlStrdup(&qname[4]);
- xmlFree(qname);
- return(XML_XML_NAMESPACE);
- }
-
- qname[len] = 0;
- ns = xmlSearchNs(node->doc, node, qname);
- if (ns == NULL) {
- xsltGenericError(xsltGenericErrorContext,
- "%s:%s : no namespace bound to prefix %s\n",
- qname, &qname[len + 1], qname);
- *name = NULL;
- xmlFree(qname);
- return(NULL);
- }
- *name = xmlStrdup(&qname[len + 1]);
- xmlFree(qname);
- return(ns->href);
-}
-
-/**
- * xsltGetQNameURI2:
- * @style: stylesheet pointer
- * @node: the node holding the QName
- * @name: pointer to the initial QName value
- *
- * This function is similar to xsltGetQNameURI, but is used when
- * @name is a dictionary entry.
- *
- * Returns the namespace URI if there is a prefix, or NULL if @name is
- * not prefixed.
- */
-const xmlChar *
-xsltGetQNameURI2(xsltStylesheetPtr style, xmlNodePtr node,
- const xmlChar **name) {
- int len = 0;
- xmlChar *qname;
- xmlNsPtr ns;
-
- if (name == NULL)
- return(NULL);
- qname = (xmlChar *)*name;
- if ((qname == NULL) || (*qname == 0))
- return(NULL);
- if (node == NULL) {
- xsltGenericError(xsltGenericErrorContext,
- "QName: no element for namespace lookup %s\n",
- qname);
- *name = NULL;
- return(NULL);
- }
-
- /*
- * we are not trying to validate but just to cut, and yes it will
- * work even if this is a set of UTF-8 encoded chars
- */
- while ((qname[len] != 0) && (qname[len] != ':'))
- len++;
-
- if (qname[len] == 0)
- return(NULL);
-
- /*
- * handle xml: separately, this one is magical
- */
- if ((qname[0] == 'x') && (qname[1] == 'm') &&
- (qname[2] == 'l') && (qname[3] == ':')) {
- if (qname[4] == 0)
- return(NULL);
- *name = xmlDictLookup(style->dict, &qname[4], -1);
- return(XML_XML_NAMESPACE);
- }
-
- qname = xmlStrndup(*name, len);
- ns = xmlSearchNs(node->doc, node, qname);
- if (ns == NULL) {
- if (style) {
- xsltTransformError(NULL, style, node,
- "No namespace bound to prefix '%s'.\n",
- qname);
- style->errors++;
- } else {
- xsltGenericError(xsltGenericErrorContext,
- "%s : no namespace bound to prefix %s\n",
- *name, qname);
- }
- *name = NULL;
- xmlFree(qname);
- return(NULL);
- }
- *name = xmlDictLookup(style->dict, (*name)+len+1, -1);
- xmlFree(qname);
- return(ns->href);
-}
-
-/************************************************************************
- * *
- * Sorting *
- * *
- ************************************************************************/
-
-/**
- * xsltDocumentSortFunction:
- * @list: the node set
- *
- * reorder the current node list @list accordingly to the document order
- * This function is slow, obsolete and should not be used anymore.
- */
-void
-xsltDocumentSortFunction(xmlNodeSetPtr list) {
- int i, j;
- int len, tst;
- xmlNodePtr node;
-
- if (list == NULL)
- return;
- len = list->nodeNr;
- if (len <= 1)
- return;
- /* TODO: sort is really not optimized, does it needs to ? */
- for (i = 0;i < len -1;i++) {
- for (j = i + 1; j < len; j++) {
- tst = xmlXPathCmpNodes(list->nodeTab[i], list->nodeTab[j]);
- if (tst == -1) {
- node = list->nodeTab[i];
- list->nodeTab[i] = list->nodeTab[j];
- list->nodeTab[j] = node;
- }
- }
- }
-}
-
-/**
- * xsltComputeSortResult:
- * @ctxt: a XSLT process context
- * @sort: node list
- *
- * reorder the current node list accordingly to the set of sorting
- * requirement provided by the array of nodes.
- *
- * Returns a ordered XPath nodeset or NULL in case of error.
- */
-xmlXPathObjectPtr *
-xsltComputeSortResult(xsltTransformContextPtr ctxt, xmlNodePtr sort) {
-#ifdef XSLT_REFACTORED
- xsltStyleItemSortPtr comp;
-#else
- xsltStylePreCompPtr comp;
-#endif
- xmlXPathObjectPtr *results = NULL;
- xmlNodeSetPtr list = NULL;
- xmlXPathObjectPtr res;
- int len = 0;
- int i;
- xmlNodePtr oldNode;
- xmlNodePtr oldInst;
- int oldPos, oldSize ;
- int oldNsNr;
- xmlNsPtr *oldNamespaces;
-
- comp = sort->psvi;
- if (comp == NULL) {
- xsltGenericError(xsltGenericErrorContext,
- "xsl:sort : compilation failed\n");
- return(NULL);
- }
-
- if ((comp->select == NULL) || (comp->comp == NULL))
- return(NULL);
-
- list = ctxt->nodeList;
- if ((list == NULL) || (list->nodeNr <= 1))
- return(NULL);
-
- len = list->nodeNr;
-
- /* TODO: xsl:sort lang attribute */
- /* TODO: xsl:sort case-order attribute */
-
-
- results = xmlMalloc(len * sizeof(xmlXPathObjectPtr));
- if (results == NULL) {
- xsltGenericError(xsltGenericErrorContext,
- "xsltComputeSortResult: memory allocation failure\n");
- return(NULL);
- }
-
- oldNode = ctxt->node;
- oldInst = ctxt->inst;
- oldPos = ctxt->xpathCtxt->proximityPosition;
- oldSize = ctxt->xpathCtxt->contextSize;
- oldNsNr = ctxt->xpathCtxt->nsNr;
- oldNamespaces = ctxt->xpathCtxt->namespaces;
- for (i = 0;i < len;i++) {
- ctxt->inst = sort;
- ctxt->xpathCtxt->contextSize = len;
- ctxt->xpathCtxt->proximityPosition = i + 1;
- ctxt->node = list->nodeTab[i];
- ctxt->xpathCtxt->node = ctxt->node;
-#ifdef XSLT_REFACTORED
- if (comp->inScopeNs != NULL) {
- ctxt->xpathCtxt->namespaces = comp->inScopeNs->list;
- ctxt->xpathCtxt->nsNr = comp->inScopeNs->xpathNumber;
- } else {
- ctxt->xpathCtxt->namespaces = NULL;
- ctxt->xpathCtxt->nsNr = 0;
- }
-#else
- ctxt->xpathCtxt->namespaces = comp->nsList;
- ctxt->xpathCtxt->nsNr = comp->nsNr;
-#endif
- res = xmlXPathCompiledEval(comp->comp, ctxt->xpathCtxt);
- if (res != NULL) {
- if (res->type != XPATH_STRING)
- res = xmlXPathConvertString(res);
- if (comp->number)
- res = xmlXPathConvertNumber(res);
- res->index = i; /* Save original pos for dupl resolv */
- if (comp->number) {
- if (res->type == XPATH_NUMBER) {
- results[i] = res;
- } else {
-#ifdef WITH_XSLT_DEBUG_PROCESS
- xsltGenericDebug(xsltGenericDebugContext,
- "xsltComputeSortResult: select didn't evaluate to a number\n");
-#endif
- results[i] = NULL;
- }
- } else {
- if (res->type == XPATH_STRING) {
- if (comp->locale != (xsltLocale)0) {
- xmlChar *str = res->stringval;
- res->stringval = (xmlChar *) xsltStrxfrm(comp->locale, str);
- xmlFree(str);
- }
-
- results[i] = res;
- } else {
-#ifdef WITH_XSLT_DEBUG_PROCESS
- xsltGenericDebug(xsltGenericDebugContext,
- "xsltComputeSortResult: select didn't evaluate to a string\n");
-#endif
- results[i] = NULL;
- }
- }
- } else {
- ctxt->state = XSLT_STATE_STOPPED;
- results[i] = NULL;
- }
- }
- ctxt->node = oldNode;
- ctxt->inst = oldInst;
- ctxt->xpathCtxt->contextSize = oldSize;
- ctxt->xpathCtxt->proximityPosition = oldPos;
- ctxt->xpathCtxt->nsNr = oldNsNr;
- ctxt->xpathCtxt->namespaces = oldNamespaces;
-
- return(results);
-}
-
-/**
- * xsltDefaultSortFunction:
- * @ctxt: a XSLT process context
- * @sorts: array of sort nodes
- * @nbsorts: the number of sorts in the array
- *
- * reorder the current node list accordingly to the set of sorting
- * requirement provided by the arry of nodes.
- */
-void
-xsltDefaultSortFunction(xsltTransformContextPtr ctxt, xmlNodePtr *sorts,
- int nbsorts) {
-#ifdef XSLT_REFACTORED
- xsltStyleItemSortPtr comp;
-#else
- xsltStylePreCompPtr comp;
-#endif
- xmlXPathObjectPtr *resultsTab[XSLT_MAX_SORT];
- xmlXPathObjectPtr *results = NULL, *res;
- xmlNodeSetPtr list = NULL;
- int descending, number, desc, numb;
- int len = 0;
- int i, j, incr;
- int tst;
- int depth;
- xmlNodePtr node;
- xmlXPathObjectPtr tmp;
- int tempstype[XSLT_MAX_SORT], temporder[XSLT_MAX_SORT];
-
- if ((ctxt == NULL) || (sorts == NULL) || (nbsorts <= 0) ||
- (nbsorts >= XSLT_MAX_SORT))
- return;
- if (sorts[0] == NULL)
- return;
- comp = sorts[0]->psvi;
- if (comp == NULL)
- return;
-
- list = ctxt->nodeList;
- if ((list == NULL) || (list->nodeNr <= 1))
- return; /* nothing to do */
-
- for (j = 0; j < nbsorts; j++) {
- comp = sorts[j]->psvi;
- tempstype[j] = 0;
- if ((comp->stype == NULL) && (comp->has_stype != 0)) {
- comp->stype =
- xsltEvalAttrValueTemplate(ctxt, sorts[j],
- (const xmlChar *) "data-type",
- XSLT_NAMESPACE);
- if (comp->stype != NULL) {
- tempstype[j] = 1;
- if (xmlStrEqual(comp->stype, (const xmlChar *) "text"))
- comp->number = 0;
- else if (xmlStrEqual(comp->stype, (const xmlChar *) "number"))
- comp->number = 1;
- else {
- xsltTransformError(ctxt, NULL, sorts[j],
- "xsltDoSortFunction: no support for data-type = %s\n",
- comp->stype);
- comp->number = 0; /* use default */
- }
- }
- }
- temporder[j] = 0;
- if ((comp->order == NULL) && (comp->has_order != 0)) {
- comp->order = xsltEvalAttrValueTemplate(ctxt, sorts[j],
- (const xmlChar *) "order",
- XSLT_NAMESPACE);
- if (comp->order != NULL) {
- temporder[j] = 1;
- if (xmlStrEqual(comp->order, (const xmlChar *) "ascending"))
- comp->descending = 0;
- else if (xmlStrEqual(comp->order,
- (const xmlChar *) "descending"))
- comp->descending = 1;
- else {
- xsltTransformError(ctxt, NULL, sorts[j],
- "xsltDoSortFunction: invalid value %s for order\n",
- comp->order);
- comp->descending = 0; /* use default */
- }
- }
- }
- }
-
- len = list->nodeNr;
-
- resultsTab[0] = xsltComputeSortResult(ctxt, sorts[0]);
- for (i = 1;i < XSLT_MAX_SORT;i++)
- resultsTab[i] = NULL;
-
- results = resultsTab[0];
-
- comp = sorts[0]->psvi;
- descending = comp->descending;
- number = comp->number;
- if (results == NULL)
- return;
-
- /* Shell's sort of node-set */
- for (incr = len / 2; incr > 0; incr /= 2) {
- for (i = incr; i < len; i++) {
- j = i - incr;
- if (results[i] == NULL)
- continue;
-
- while (j >= 0) {
- if (results[j] == NULL)
- tst = 1;
- else {
- if (number) {
- /* We make NaN smaller than number in accordance
- with XSLT spec */
- if (xmlXPathIsNaN(results[j]->floatval)) {
- if (xmlXPathIsNaN(results[j + incr]->floatval))
- tst = 0;
- else
- tst = -1;
- } else if (xmlXPathIsNaN(results[j + incr]->floatval))
- tst = 1;
- else if (results[j]->floatval ==
- results[j + incr]->floatval)
- tst = 0;
- else if (results[j]->floatval >
- results[j + incr]->floatval)
- tst = 1;
- else tst = -1;
- } else if(comp->locale != (xsltLocale)0) {
- tst = xsltLocaleStrcmp(
- comp->locale,
- (xsltLocaleChar *) results[j]->stringval,
- (xsltLocaleChar *) results[j + incr]->stringval);
- } else {
- tst = xmlStrcmp(results[j]->stringval,
- results[j + incr]->stringval);
- }
- if (descending)
- tst = -tst;
- }
- if (tst == 0) {
- /*
- * Okay we need to use multi level sorts
- */
- depth = 1;
- while (depth < nbsorts) {
- if (sorts[depth] == NULL)
- break;
- comp = sorts[depth]->psvi;
- if (comp == NULL)
- break;
- desc = comp->descending;
- numb = comp->number;
-
- /*
- * Compute the result of the next level for the
- * full set, this might be optimized ... or not
- */
- if (resultsTab[depth] == NULL)
- resultsTab[depth] = xsltComputeSortResult(ctxt,
- sorts[depth]);
- res = resultsTab[depth];
- if (res == NULL)
- break;
- if (res[j] == NULL) {
- if (res[j+incr] != NULL)
- tst = 1;
- } else {
- if (numb) {
- /* We make NaN smaller than number in
- accordance with XSLT spec */
- if (xmlXPathIsNaN(res[j]->floatval)) {
- if (xmlXPathIsNaN(res[j +
- incr]->floatval))
- tst = 0;
- else
- tst = -1;
- } else if (xmlXPathIsNaN(res[j + incr]->
- floatval))
- tst = 1;
- else if (res[j]->floatval == res[j + incr]->
- floatval)
- tst = 0;
- else if (res[j]->floatval >
- res[j + incr]->floatval)
- tst = 1;
- else tst = -1;
- } else if(comp->locale != (xsltLocale)0) {
- tst = xsltLocaleStrcmp(
- comp->locale,
- (xsltLocaleChar *) res[j]->stringval,
- (xsltLocaleChar *) res[j + incr]->stringval);
- } else {
- tst = xmlStrcmp(res[j]->stringval,
- res[j + incr]->stringval);
- }
- if (desc)
- tst = -tst;
- }
-
- /*
- * if we still can't differenciate at this level
- * try one level deeper.
- */
- if (tst != 0)
- break;
- depth++;
- }
- }
- if (tst == 0) {
- tst = results[j]->index > results[j + incr]->index;
- }
- if (tst > 0) {
- tmp = results[j];
- results[j] = results[j + incr];
- results[j + incr] = tmp;
- node = list->nodeTab[j];
- list->nodeTab[j] = list->nodeTab[j + incr];
- list->nodeTab[j + incr] = node;
- depth = 1;
- while (depth < nbsorts) {
- if (sorts[depth] == NULL)
- break;
- if (resultsTab[depth] == NULL)
- break;
- res = resultsTab[depth];
- tmp = res[j];
- res[j] = res[j + incr];
- res[j + incr] = tmp;
- depth++;
- }
- j -= incr;
- } else
- break;
- }
- }
- }
-
- for (j = 0; j < nbsorts; j++) {
- comp = sorts[j]->psvi;
- if (tempstype[j] == 1) {
- /* The data-type needs to be recomputed each time */
- xmlFree((void *)(comp->stype));
- comp->stype = NULL;
- }
- if (temporder[j] == 1) {
- /* The order needs to be recomputed each time */
- xmlFree((void *)(comp->order));
- comp->order = NULL;
- }
- if (resultsTab[j] != NULL) {
- for (i = 0;i < len;i++)
- xmlXPathFreeObject(resultsTab[j][i]);
- xmlFree(resultsTab[j]);
- }
- }
-}
-
-
-static xsltSortFunc xsltSortFunction = xsltDefaultSortFunction;
-
-/**
- * xsltDoSortFunction:
- * @ctxt: a XSLT process context
- * @sorts: array of sort nodes
- * @nbsorts: the number of sorts in the array
- *
- * reorder the current node list accordingly to the set of sorting
- * requirement provided by the arry of nodes.
- * This is a wrapper function, the actual function used is specified
- * using xsltSetCtxtSortFunc() to set the context specific sort function,
- * or xsltSetSortFunc() to set the global sort function.
- * If a sort function is set on the context, this will get called.
- * Otherwise the global sort function is called.
- */
-void
-xsltDoSortFunction(xsltTransformContextPtr ctxt, xmlNodePtr * sorts,
- int nbsorts)
-{
- if (ctxt->sortfunc != NULL)
- (ctxt->sortfunc)(ctxt, sorts, nbsorts);
- else if (xsltSortFunction != NULL)
- xsltSortFunction(ctxt, sorts, nbsorts);
-}
-
-/**
- * xsltSetSortFunc:
- * @handler: the new handler function
- *
- * Function to reset the global handler for XSLT sorting.
- * If the handler is NULL, the default sort function will be used.
- */
-void
-xsltSetSortFunc(xsltSortFunc handler) {
- if (handler != NULL)
- xsltSortFunction = handler;
- else
- xsltSortFunction = xsltDefaultSortFunction;
-}
-
-/**
- * xsltSetCtxtSortFunc:
- * @ctxt: a XSLT process context
- * @handler: the new handler function
- *
- * Function to set the handler for XSLT sorting
- * for the specified context.
- * If the handler is NULL, then the global
- * sort function will be called
- */
-void
-xsltSetCtxtSortFunc(xsltTransformContextPtr ctxt, xsltSortFunc handler) {
- ctxt->sortfunc = handler;
-}
-
-/************************************************************************
- * *
- * Parsing options *
- * *
- ************************************************************************/
-
-/**
- * xsltSetCtxtParseOptions:
- * @ctxt: a XSLT process context
- * @options: a combination of libxml2 xmlParserOption
- *
- * Change the default parser option passed by the XSLT engine to the
- * parser when using document() loading.
- *
- * Returns the previous options or -1 in case of error
- */
-int
-xsltSetCtxtParseOptions(xsltTransformContextPtr ctxt, int options)
-{
- int oldopts;
-
- if (ctxt == NULL)
- return(-1);
- oldopts = ctxt->parserOptions;
- if (ctxt->xinclude)
- oldopts |= XML_PARSE_XINCLUDE;
- ctxt->parserOptions = options;
- if (options & XML_PARSE_XINCLUDE)
- ctxt->xinclude = 1;
- else
- ctxt->xinclude = 0;
- return(oldopts);
-}
-
-/************************************************************************
- * *
- * Output *
- * *
- ************************************************************************/
-
-/**
- * xsltSaveResultTo:
- * @buf: an output buffer
- * @result: the result xmlDocPtr
- * @style: the stylesheet
- *
- * Save the result @result obtained by applying the @style stylesheet
- * to an I/O output channel @buf
- *
- * Returns the number of byte written or -1 in case of failure.
- */
-int
-xsltSaveResultTo(xmlOutputBufferPtr buf, xmlDocPtr result,
- xsltStylesheetPtr style) {
- const xmlChar *encoding;
- int base;
- const xmlChar *method;
- int indent;
-
- if ((buf == NULL) || (result == NULL) || (style == NULL))
- return(-1);
- if ((result->children == NULL) ||
- ((result->children->type == XML_DTD_NODE) &&
- (result->children->next == NULL)))
- return(0);
-
- if ((style->methodURI != NULL) &&
- ((style->method == NULL) ||
- (!xmlStrEqual(style->method, (const xmlChar *) "xhtml")))) {
- xsltGenericError(xsltGenericErrorContext,
- "xsltSaveResultTo : unknown ouput method\n");
- return(-1);
- }
-
- base = buf->written;
-
- XSLT_GET_IMPORT_PTR(method, style, method)
- XSLT_GET_IMPORT_PTR(encoding, style, encoding)
- XSLT_GET_IMPORT_INT(indent, style, indent);
-
- if ((method == NULL) && (result->type == XML_HTML_DOCUMENT_NODE))
- method = (const xmlChar *) "html";
-
- if ((method != NULL) &&
- (xmlStrEqual(method, (const xmlChar *) "html"))) {
- if (encoding != NULL) {
- htmlSetMetaEncoding(result, (const xmlChar *) encoding);
- } else {
- htmlSetMetaEncoding(result, (const xmlChar *) "UTF-8");
- }
- if (indent == -1)
- indent = 1;
- htmlDocContentDumpFormatOutput(buf, result, (const char *) encoding,
- indent);
- xmlOutputBufferFlush(buf);
- } else if ((method != NULL) &&
- (xmlStrEqual(method, (const xmlChar *) "xhtml"))) {
- if (encoding != NULL) {
- htmlSetMetaEncoding(result, (const xmlChar *) encoding);
- } else {
- htmlSetMetaEncoding(result, (const xmlChar *) "UTF-8");
- }
- htmlDocContentDumpOutput(buf, result, (const char *) encoding);
- xmlOutputBufferFlush(buf);
- } else if ((method != NULL) &&
- (xmlStrEqual(method, (const xmlChar *) "text"))) {
- xmlNodePtr cur;
-
- cur = result->children;
- while (cur != NULL) {
- if (cur->type == XML_TEXT_NODE)
- xmlOutputBufferWriteString(buf, (const char *) cur->content);
-
- /*
- * Skip to next node
- */
- if (cur->children != NULL) {
- if ((cur->children->type != XML_ENTITY_DECL) &&
- (cur->children->type != XML_ENTITY_REF_NODE) &&
- (cur->children->type != XML_ENTITY_NODE)) {
- cur = cur->children;
- continue;
- }
- }
- if (cur->next != NULL) {
- cur = cur->next;
- continue;
- }
-
- do {
- cur = cur->parent;
- if (cur == NULL)
- break;
- if (cur == (xmlNodePtr) style->doc) {
- cur = NULL;
- break;
- }
- if (cur->next != NULL) {
- cur = cur->next;
- break;
- }
- } while (cur != NULL);
- }
- xmlOutputBufferFlush(buf);
- } else {
- int omitXmlDecl;
- int standalone;
-
- XSLT_GET_IMPORT_INT(omitXmlDecl, style, omitXmlDeclaration);
- XSLT_GET_IMPORT_INT(standalone, style, standalone);
-
- if (omitXmlDecl != 1) {
- xmlOutputBufferWriteString(buf, "<?xml version=");
- if (result->version != NULL) {
- xmlOutputBufferWriteString(buf, "\"");
- xmlOutputBufferWriteString(buf, (const char *)result->version);
- xmlOutputBufferWriteString(buf, "\"");
- } else
- xmlOutputBufferWriteString(buf, "\"1.0\"");
- if (encoding == NULL) {
- if (result->encoding != NULL)
- encoding = result->encoding;
- else if (result->charset != XML_CHAR_ENCODING_UTF8)
- encoding = (const xmlChar *)
- xmlGetCharEncodingName((xmlCharEncoding)
- result->charset);
- }
- if (encoding != NULL) {
- xmlOutputBufferWriteString(buf, " encoding=");
- xmlOutputBufferWriteString(buf, "\"");
- xmlOutputBufferWriteString(buf, (const char *) encoding);
- xmlOutputBufferWriteString(buf, "\"");
- }
- switch (standalone) {
- case 0:
- xmlOutputBufferWriteString(buf, " standalone=\"no\"");
- break;
- case 1:
- xmlOutputBufferWriteString(buf, " standalone=\"yes\"");
- break;
- default:
- break;
- }
- xmlOutputBufferWriteString(buf, "?>\n");
- }
- if (result->children != NULL) {
- xmlNodePtr child = result->children;
-
- while (child != NULL) {
- xmlNodeDumpOutput(buf, result, child, 0, (indent == 1),
- (const char *) encoding);
- if (indent && ((child->type == XML_DTD_NODE) ||
- ((child->type == XML_COMMENT_NODE) &&
- (child->next != NULL))))
- xmlOutputBufferWriteString(buf, "\n");
- child = child->next;
- }
- if (indent)
- xmlOutputBufferWriteString(buf, "\n");
- }
- xmlOutputBufferFlush(buf);
- }
- return(buf->written - base);
-}
-
-/**
- * xsltSaveResultToFilename:
- * @URL: a filename or URL
- * @result: the result xmlDocPtr
- * @style: the stylesheet
- * @compression: the compression factor (0 - 9 included)
- *
- * Save the result @result obtained by applying the @style stylesheet
- * to a file or @URL
- *
- * Returns the number of byte written or -1 in case of failure.
- */
-int
-xsltSaveResultToFilename(const char *URL, xmlDocPtr result,
- xsltStylesheetPtr style, int compression) {
- xmlOutputBufferPtr buf;
- const xmlChar *encoding;
- int ret;
-
- if ((URL == NULL) || (result == NULL) || (style == NULL))
- return(-1);
- if (result->children == NULL)
- return(0);
-
- XSLT_GET_IMPORT_PTR(encoding, style, encoding)
- if (encoding != NULL) {
- xmlCharEncodingHandlerPtr encoder;
-
- encoder = xmlFindCharEncodingHandler((char *)encoding);
- if ((encoder != NULL) &&
- (xmlStrEqual((const xmlChar *)encoder->name,
- (const xmlChar *) "UTF-8")))
- encoder = NULL;
- buf = xmlOutputBufferCreateFilename(URL, encoder, compression);
- } else {
- buf = xmlOutputBufferCreateFilename(URL, NULL, compression);
- }
- if (buf == NULL)
- return(-1);
- xsltSaveResultTo(buf, result, style);
- ret = xmlOutputBufferClose(buf);
- return(ret);
-}
-
-/**
- * xsltSaveResultToFile:
- * @file: a FILE * I/O
- * @result: the result xmlDocPtr
- * @style: the stylesheet
- *
- * Save the result @result obtained by applying the @style stylesheet
- * to an open FILE * I/O.
- * This does not close the FILE @file
- *
- * Returns the number of bytes written or -1 in case of failure.
- */
-int
-xsltSaveResultToFile(FILE *file, xmlDocPtr result, xsltStylesheetPtr style) {
- xmlOutputBufferPtr buf;
- const xmlChar *encoding;
- int ret;
-
- if ((file == NULL) || (result == NULL) || (style == NULL))
- return(-1);
- if (result->children == NULL)
- return(0);
-
- XSLT_GET_IMPORT_PTR(encoding, style, encoding)
- if (encoding != NULL) {
- xmlCharEncodingHandlerPtr encoder;
-
- encoder = xmlFindCharEncodingHandler((char *)encoding);
- if ((encoder != NULL) &&
- (xmlStrEqual((const xmlChar *)encoder->name,
- (const xmlChar *) "UTF-8")))
- encoder = NULL;
- buf = xmlOutputBufferCreateFile(file, encoder);
- } else {
- buf = xmlOutputBufferCreateFile(file, NULL);
- }
-
- if (buf == NULL)
- return(-1);
- xsltSaveResultTo(buf, result, style);
- ret = xmlOutputBufferClose(buf);
- return(ret);
-}
-
-/**
- * xsltSaveResultToFd:
- * @fd: a file descriptor
- * @result: the result xmlDocPtr
- * @style: the stylesheet
- *
- * Save the result @result obtained by applying the @style stylesheet
- * to an open file descriptor
- * This does not close the descriptor.
- *
- * Returns the number of bytes written or -1 in case of failure.
- */
-int
-xsltSaveResultToFd(int fd, xmlDocPtr result, xsltStylesheetPtr style) {
- xmlOutputBufferPtr buf;
- const xmlChar *encoding;
- int ret;
-
- if ((fd < 0) || (result == NULL) || (style == NULL))
- return(-1);
- if (result->children == NULL)
- return(0);
-
- XSLT_GET_IMPORT_PTR(encoding, style, encoding)
- if (encoding != NULL) {
- xmlCharEncodingHandlerPtr encoder;
-
- encoder = xmlFindCharEncodingHandler((char *)encoding);
- if ((encoder != NULL) &&
- (xmlStrEqual((const xmlChar *)encoder->name,
- (const xmlChar *) "UTF-8")))
- encoder = NULL;
- buf = xmlOutputBufferCreateFd(fd, encoder);
- } else {
- buf = xmlOutputBufferCreateFd(fd, NULL);
- }
- if (buf == NULL)
- return(-1);
- xsltSaveResultTo(buf, result, style);
- ret = xmlOutputBufferClose(buf);
- return(ret);
-}
-
-/**
- * xsltSaveResultToString:
- * @doc_txt_ptr: Memory pointer for allocated XML text
- * @doc_txt_len: Length of the generated XML text
- * @result: the result xmlDocPtr
- * @style: the stylesheet
- *
- * Save the result @result obtained by applying the @style stylesheet
- * to a new allocated string.
- *
- * Returns 0 in case of success and -1 in case of error
- */
-int
-xsltSaveResultToString(xmlChar **doc_txt_ptr, int * doc_txt_len,
- xmlDocPtr result, xsltStylesheetPtr style) {
- xmlOutputBufferPtr buf;
- const xmlChar *encoding;
-
- *doc_txt_ptr = NULL;
- *doc_txt_len = 0;
- if (result->children == NULL)
- return(0);
-
- XSLT_GET_IMPORT_PTR(encoding, style, encoding)
- if (encoding != NULL) {
- xmlCharEncodingHandlerPtr encoder;
-
- encoder = xmlFindCharEncodingHandler((char *)encoding);
- if ((encoder != NULL) &&
- (xmlStrEqual((const xmlChar *)encoder->name,
- (const xmlChar *) "UTF-8")))
- encoder = NULL;
- buf = xmlAllocOutputBuffer(encoder);
- } else {
- buf = xmlAllocOutputBuffer(NULL);
- }
- if (buf == NULL)
- return(-1);
- xsltSaveResultTo(buf, result, style);
-#ifdef LIBXML2_NEW_BUFFER
- if (buf->conv != NULL) {
- *doc_txt_len = xmlBufUse(buf->conv);
- *doc_txt_ptr = xmlStrndup(xmlBufContent(buf->conv), *doc_txt_len);
- } else {
- *doc_txt_len = xmlBufUse(buf->buffer);
- *doc_txt_ptr = xmlStrndup(xmlBufContent(buf->buffer), *doc_txt_len);
- }
-#else
- if (buf->conv != NULL) {
- *doc_txt_len = buf->conv->use;
- *doc_txt_ptr = xmlStrndup(buf->conv->content, *doc_txt_len);
- } else {
- *doc_txt_len = buf->buffer->use;
- *doc_txt_ptr = xmlStrndup(buf->buffer->content, *doc_txt_len);
- }
-#endif
- (void)xmlOutputBufferClose(buf);
- return 0;
-}
-
-/************************************************************************
- * *
- * Generating profiling informations *
- * *
- ************************************************************************/
-
-static long calibration = -1;
-
-/**
- * xsltCalibrateTimestamps:
- *
- * Used for to calibrate the xsltTimestamp() function
- * Should work if launched at startup and we don't loose our quantum :-)
- *
- * Returns the number of milliseconds used by xsltTimestamp()
- */
-static long
-xsltCalibrateTimestamps(void) {
- register int i;
-
- for (i = 0;i < 999;i++)
- xsltTimestamp();
- return(xsltTimestamp() / 1000);
-}
-
-/**
- * xsltCalibrateAdjust:
- * @delta: a negative dealy value found
- *
- * Used for to correct the calibration for xsltTimestamp()
- */
-void
-xsltCalibrateAdjust(long delta) {
- calibration += delta;
-}
-
-/**
- * xsltTimestamp:
- *
- * Used for gathering profiling data
- *
- * Returns the number of tenth of milliseconds since the beginning of the
- * profiling
- */
-long
-xsltTimestamp(void)
-{
-#ifdef XSLT_WIN32_PERFORMANCE_COUNTER
- BOOL ok;
- LARGE_INTEGER performanceCount;
- LARGE_INTEGER performanceFrequency;
- LONGLONG quadCount;
- double seconds;
- static LONGLONG startupQuadCount = 0;
- static LONGLONG startupQuadFreq = 0;
-
- ok = QueryPerformanceCounter(&performanceCount);
- if (!ok)
- return 0;
- quadCount = performanceCount.QuadPart;
- if (calibration < 0) {
- calibration = 0;
- ok = QueryPerformanceFrequency(&performanceFrequency);
- if (!ok)
- return 0;
- startupQuadFreq = performanceFrequency.QuadPart;
- startupQuadCount = quadCount;
- return (0);
- }
- if (startupQuadFreq == 0)
- return 0;
- seconds = (quadCount - startupQuadCount) / (double) startupQuadFreq;
- return (long) (seconds * XSLT_TIMESTAMP_TICS_PER_SEC);
-
-#else /* XSLT_WIN32_PERFORMANCE_COUNTER */
-#ifdef HAVE_CLOCK_GETTIME
-# if defined(CLOCK_MONOTONIC)
-# define XSLT_CLOCK CLOCK_MONOTONIC
-# elif defined(CLOCK_HIGHRES)
-# define XSLT_CLOCK CLOCK_HIGHRES
-# else
-# define XSLT_CLOCK CLOCK_REALTIME
-# endif
- static struct timespec startup;
- struct timespec cur;
- long tics;
-
- if (calibration < 0) {
- clock_gettime(XSLT_CLOCK, &startup);
- calibration = 0;
- calibration = xsltCalibrateTimestamps();
- clock_gettime(XSLT_CLOCK, &startup);
- return (0);
- }
-
- clock_gettime(XSLT_CLOCK, &cur);
- tics = (cur.tv_sec - startup.tv_sec) * XSLT_TIMESTAMP_TICS_PER_SEC;
- tics += (cur.tv_nsec - startup.tv_nsec) /
- (1000000000l / XSLT_TIMESTAMP_TICS_PER_SEC);
-
- tics -= calibration;
- return(tics);
-
-#elif HAVE_GETTIMEOFDAY
- static struct timeval startup;
- struct timeval cur;
- long tics;
-
- if (calibration < 0) {
- gettimeofday(&startup, NULL);
- calibration = 0;
- calibration = xsltCalibrateTimestamps();
- gettimeofday(&startup, NULL);
- return (0);
- }
-
- gettimeofday(&cur, NULL);
- tics = (cur.tv_sec - startup.tv_sec) * XSLT_TIMESTAMP_TICS_PER_SEC;
- tics += (cur.tv_usec - startup.tv_usec) /
- (1000000l / XSLT_TIMESTAMP_TICS_PER_SEC);
-
- tics -= calibration;
- return(tics);
-#else
-
- /* Neither gettimeofday() nor Win32 performance counter available */
-
- return (0);
-
-#endif /* HAVE_GETTIMEOFDAY */
-#endif /* XSLT_WIN32_PERFORMANCE_COUNTER */
-}
-
-static char *
-pretty_templ_match(xsltTemplatePtr templ) {
- static char dst[1001];
- char *src = (char *)templ->match;
- int i=0,j;
-
- /* strip white spaces */
- for (j=0; i<1000 && src[j]; i++,j++) {
- for(;src[j]==' ';j++);
- dst[i]=src[j];
- }
- if(i<998 && templ->mode) {
- /* append [mode] */
- dst[i++]='[';
- src=(char *)templ->mode;
- for (j=0; i<999 && src[j]; i++,j++) {
- dst[i]=src[j];
- }
- dst[i++]=']';
- }
- dst[i]='\0';
- return dst;
-}
-
-#define MAX_TEMPLATES 10000
-
-/**
- * xsltSaveProfiling:
- * @ctxt: an XSLT context
- * @output: a FILE * for saving the informations
- *
- * Save the profiling informations on @output
- */
-void
-xsltSaveProfiling(xsltTransformContextPtr ctxt, FILE *output) {
- int nb, i,j,k,l;
- int max;
- int total;
- unsigned long totalt;
- xsltTemplatePtr *templates;
- xsltStylesheetPtr style;
- xsltTemplatePtr templ1,templ2;
- int *childt;
-
- if ((output == NULL) || (ctxt == NULL))
- return;
- if (ctxt->profile == 0)
- return;
-
- nb = 0;
- max = MAX_TEMPLATES;
- templates = xmlMalloc(max * sizeof(xsltTemplatePtr));
- if (templates == NULL)
- return;
-
- style = ctxt->style;
- while (style != NULL) {
- templ1 = style->templates;
- while (templ1 != NULL) {
- if (nb >= max)
- break;
-
- if (templ1->nbCalls > 0)
- templates[nb++] = templ1;
- templ1 = templ1->next;
- }
-
- style = xsltNextImport(style);
- }
-
- for (i = 0;i < nb -1;i++) {
- for (j = i + 1; j < nb; j++) {
- if ((templates[i]->time <= templates[j]->time) ||
- ((templates[i]->time == templates[j]->time) &&
- (templates[i]->nbCalls <= templates[j]->nbCalls))) {
- templ1 = templates[j];
- templates[j] = templates[i];
- templates[i] = templ1;
- }
- }
- }
-
-
- /* print flat profile */
-
- fprintf(output, "%6s%20s%20s%10s Calls Tot 100us Avg\n\n",
- "number", "match", "name", "mode");
- total = 0;
- totalt = 0;
- for (i = 0;i < nb;i++) {
- templ1 = templates[i];
- fprintf(output, "%5d ", i);
- if (templ1->match != NULL) {
- if (xmlStrlen(templ1->match) > 20)
- fprintf(output, "%s\n%26s", templ1->match, "");
- else
- fprintf(output, "%20s", templ1->match);
- } else {
- fprintf(output, "%20s", "");
- }
- if (templ1->name != NULL) {
- if (xmlStrlen(templ1->name) > 20)
- fprintf(output, "%s\n%46s", templ1->name, "");
- else
- fprintf(output, "%20s", templ1->name);
- } else {
- fprintf(output, "%20s", "");
- }
- if (templ1->mode != NULL) {
- if (xmlStrlen(templ1->mode) > 10)
- fprintf(output, "%s\n%56s", templ1->mode, "");
- else
- fprintf(output, "%10s", templ1->mode);
- } else {
- fprintf(output, "%10s", "");
- }
- fprintf(output, " %6d", templ1->nbCalls);
- fprintf(output, " %6ld %6ld\n", templ1->time,
- templ1->time / templ1->nbCalls);
- total += templ1->nbCalls;
- totalt += templ1->time;
- }
- fprintf(output, "\n%30s%26s %6d %6ld\n", "Total", "", total, totalt);
-
-
- /* print call graph */
-
- childt = xmlMalloc((nb + 1) * sizeof(int));
- if (childt == NULL)
- return;
-
- /* precalculate children times */
- for (i = 0; i < nb; i++) {
- templ1 = templates[i];
-
- childt[i] = 0;
- for (k = 0; k < nb; k++) {
- templ2 = templates[k];
- for (l = 0; l < templ2->templNr; l++) {
- if (templ2->templCalledTab[l] == templ1) {
- childt[i] +=templ2->time;
- }
- }
- }
- }
- childt[i] = 0;
-
- fprintf(output, "\nindex %% time self children called name\n");
-
- for (i = 0; i < nb; i++) {
- char ix_str[20], timep_str[20], times_str[20], timec_str[20], called_str[20];
- unsigned long t;
-
- templ1 = templates[i];
- /* callers */
- for (j = 0; j < templ1->templNr; j++) {
- templ2 = templ1->templCalledTab[j];
- for (k = 0; k < nb; k++) {
- if (templates[k] == templ2)
- break;
- }
- t=templ2?templ2->time:totalt;
- snprintf(times_str,sizeof(times_str),"%8.3f",(float)t/XSLT_TIMESTAMP_TICS_PER_SEC);
- snprintf(timec_str,sizeof(timec_str),"%8.3f",(float)childt[k]/XSLT_TIMESTAMP_TICS_PER_SEC);
- snprintf(called_str,sizeof(called_str),"%6d/%d",
- templ1->templCountTab[j], /* number of times caller calls 'this' */
- templ1->nbCalls); /* total number of calls to 'this' */
-
- fprintf(output, " %-8s %-8s %-12s %s [%d]\n",
- times_str,timec_str,called_str,
- (templ2?(templ2->name?(char *)templ2->name:pretty_templ_match(templ2)):"-"),k);
- }
- /* this */
- snprintf(ix_str,sizeof(ix_str),"[%d]",i);
- snprintf(timep_str,sizeof(timep_str),"%6.2f",(float)templ1->time*100.0/totalt);
- snprintf(times_str,sizeof(times_str),"%8.3f",(float)templ1->time/XSLT_TIMESTAMP_TICS_PER_SEC);
- snprintf(timec_str,sizeof(timec_str),"%8.3f",(float)childt[i]/XSLT_TIMESTAMP_TICS_PER_SEC);
- fprintf(output, "%-5s %-6s %-8s %-8s %6d %s [%d]\n",
- ix_str, timep_str,times_str,timec_str,
- templ1->nbCalls,
- templ1->name?(char *)templ1->name:pretty_templ_match(templ1),i);
- /* callees
- * - go over templates[0..nb] and their templCalledTab[]
- * - print those where we in the the call-stack
- */
- total = 0;
- for (k = 0; k < nb; k++) {
- templ2 = templates[k];
- for (l = 0; l < templ2->templNr; l++) {
- if (templ2->templCalledTab[l] == templ1) {
- total+=templ2->templCountTab[l];
- }
- }
- }
- for (k = 0; k < nb; k++) {
- templ2 = templates[k];
- for (l = 0; l < templ2->templNr; l++) {
- if (templ2->templCalledTab[l] == templ1) {
- snprintf(times_str,sizeof(times_str),"%8.3f",(float)templ2->time/XSLT_TIMESTAMP_TICS_PER_SEC);
- snprintf(timec_str,sizeof(timec_str),"%8.3f",(float)childt[k]/XSLT_TIMESTAMP_TICS_PER_SEC);
- snprintf(called_str,sizeof(called_str),"%6d/%d",
- templ2->templCountTab[l], /* number of times 'this' calls callee */
- total); /* total number of calls from 'this' */
- fprintf(output, " %-8s %-8s %-12s %s [%d]\n",
- times_str,timec_str,called_str,
- templ2->name?(char *)templ2->name:pretty_templ_match(templ2),k);
- }
- }
- }
- fprintf(output, "-----------------------------------------------\n");
- }
-
- fprintf(output, "\f\nIndex by function name\n");
- for (i = 0; i < nb; i++) {
- templ1 = templates[i];
- fprintf(output, "[%d] %s (%s:%d)\n",
- i, templ1->name?(char *)templ1->name:pretty_templ_match(templ1),
- templ1->style->doc->URL,templ1->elem->line);
- }
-
- fprintf(output, "\f\n");
- xmlFree(childt);
-
- xmlFree(templates);
-}
-
-/************************************************************************
- * *
- * Fetching profiling informations *
- * *
- ************************************************************************/
-
-/**
- * xsltGetProfileInformation:
- * @ctxt: a transformation context
- *
- * This function should be called after the transformation completed
- * to extract template processing profiling informations if availble.
- * The informations are returned as an XML document tree like
- * <?xml version="1.0"?>
- * <profile>
- * <template rank="1" match="*" name=""
- * mode="" calls="6" time="48" average="8"/>
- * <template rank="2" match="item2|item3" name=""
- * mode="" calls="10" time="30" average="3"/>
- * <template rank="3" match="item1" name=""
- * mode="" calls="5" time="17" average="3"/>
- * </profile>
- * The caller will need to free up the returned tree with xmlFreeDoc()
- *
- * Returns the xmlDocPtr corresponding to the result or NULL if not available.
- */
-
-xmlDocPtr
-xsltGetProfileInformation(xsltTransformContextPtr ctxt)
-{
- xmlDocPtr ret = NULL;
- xmlNodePtr root, child;
- char buf[100];
-
- xsltStylesheetPtr style;
- xsltTemplatePtr *templates;
- xsltTemplatePtr templ;
- int nb = 0, max = 0, i, j;
-
- if (!ctxt)
- return NULL;
-
- if (!ctxt->profile)
- return NULL;
-
- nb = 0;
- max = 10000;
- templates =
- (xsltTemplatePtr *) xmlMalloc(max * sizeof(xsltTemplatePtr));
- if (templates == NULL)
- return NULL;
-
- /*
- * collect all the templates in an array
- */
- style = ctxt->style;
- while (style != NULL) {
- templ = style->templates;
- while (templ != NULL) {
- if (nb >= max)
- break;
-
- if (templ->nbCalls > 0)
- templates[nb++] = templ;
- templ = templ->next;
- }
-
- style = (xsltStylesheetPtr) xsltNextImport(style);
- }
-
- /*
- * Sort the array by time spent
- */
- for (i = 0; i < nb - 1; i++) {
- for (j = i + 1; j < nb; j++) {
- if ((templates[i]->time <= templates[j]->time) ||
- ((templates[i]->time == templates[j]->time) &&
- (templates[i]->nbCalls <= templates[j]->nbCalls))) {
- templ = templates[j];
- templates[j] = templates[i];
- templates[i] = templ;
- }
- }
- }
-
- /*
- * Generate a document corresponding to the results.
- */
- ret = xmlNewDoc(BAD_CAST "1.0");
- root = xmlNewDocNode(ret, NULL, BAD_CAST "profile", NULL);
- xmlDocSetRootElement(ret, root);
-
- for (i = 0; i < nb; i++) {
- child = xmlNewChild(root, NULL, BAD_CAST "template", NULL);
- snprintf(buf, sizeof(buf), "%d", i + 1);
- xmlSetProp(child, BAD_CAST "rank", BAD_CAST buf);
- xmlSetProp(child, BAD_CAST "match", BAD_CAST templates[i]->match);
- xmlSetProp(child, BAD_CAST "name", BAD_CAST templates[i]->name);
- xmlSetProp(child, BAD_CAST "mode", BAD_CAST templates[i]->mode);
-
- snprintf(buf, sizeof(buf), "%d", templates[i]->nbCalls);
- xmlSetProp(child, BAD_CAST "calls", BAD_CAST buf);
-
- snprintf(buf, sizeof(buf), "%ld", templates[i]->time);
- xmlSetProp(child, BAD_CAST "time", BAD_CAST buf);
-
- snprintf(buf, sizeof(buf), "%ld", templates[i]->time / templates[i]->nbCalls);
- xmlSetProp(child, BAD_CAST "average", BAD_CAST buf);
- };
-
- xmlFree(templates);
-
- return ret;
-}
-
-/************************************************************************
- * *
- * Hooks for libxml2 XPath *
- * *
- ************************************************************************/
-
-/**
- * xsltXPathCompileFlags:
- * @style: the stylesheet
- * @str: the XPath expression
- * @flags: extra compilation flags to pass down to libxml2 XPath
- *
- * Compile an XPath expression
- *
- * Returns the xmlXPathCompExprPtr resulting from the compilation or NULL.
- * the caller has to free the object.
- */
-xmlXPathCompExprPtr
-xsltXPathCompileFlags(xsltStylesheetPtr style, const xmlChar *str, int flags) {
- xmlXPathContextPtr xpathCtxt;
- xmlXPathCompExprPtr ret;
-
- if (style != NULL) {
-#ifdef XSLT_REFACTORED_XPATHCOMP
- if (XSLT_CCTXT(style)) {
- /*
- * Proposed by Jerome Pesenti
- * --------------------------
- * For better efficiency we'll reuse the compilation
- * context's XPath context. For the common stylesheet using
- * XPath expressions this will reduce compilation time to
- * about 50%.
- *
- * See http://mail.gnome.org/archives/xslt/2006-April/msg00037.html
- */
- xpathCtxt = XSLT_CCTXT(style)->xpathCtxt;
- xpathCtxt->doc = style->doc;
- } else
- xpathCtxt = xmlXPathNewContext(style->doc);
-#else
- xpathCtxt = xmlXPathNewContext(style->doc);
-#endif
- if (xpathCtxt == NULL)
- return NULL;
- xpathCtxt->dict = style->dict;
- } else {
- xpathCtxt = xmlXPathNewContext(NULL);
- if (xpathCtxt == NULL)
- return NULL;
- }
- xpathCtxt->flags = flags;
-
- /*
- * Compile the expression.
- */
- ret = xmlXPathCtxtCompile(xpathCtxt, str);
-
-#ifdef XSLT_REFACTORED_XPATHCOMP
- if ((style == NULL) || (! XSLT_CCTXT(style))) {
- xmlXPathFreeContext(xpathCtxt);
- }
-#else
- xmlXPathFreeContext(xpathCtxt);
-#endif
- /*
- * TODO: there is a lot of optimizations which should be possible
- * like variable slot precomputations, function precomputations, etc.
- */
-
- return(ret);
-}
-
-/**
- * xsltXPathCompile:
- * @style: the stylesheet
- * @str: the XPath expression
- *
- * Compile an XPath expression
- *
- * Returns the xmlXPathCompExprPtr resulting from the compilation or NULL.
- * the caller has to free the object.
- */
-xmlXPathCompExprPtr
-xsltXPathCompile(xsltStylesheetPtr style, const xmlChar *str) {
- return(xsltXPathCompileFlags(style, str, 0));
-}
-
-/************************************************************************
- * *
- * Hooks for the debugger *
- * *
- ************************************************************************/
-
-/*
- * There is currently only 3 debugging callback defined
- * Debugger callbacks are disabled by default
- */
-#define XSLT_CALLBACK_NUMBER 3
-
-typedef struct _xsltDebuggerCallbacks xsltDebuggerCallbacks;
-typedef xsltDebuggerCallbacks *xsltDebuggerCallbacksPtr;
-struct _xsltDebuggerCallbacks {
- xsltHandleDebuggerCallback handler;
- xsltAddCallCallback add;
- xsltDropCallCallback drop;
-};
-
-static xsltDebuggerCallbacks xsltDebuggerCurrentCallbacks = {
- NULL, /* handler */
- NULL, /* add */
- NULL /* drop */
-};
-
-int xslDebugStatus;
-
-/**
- * xsltSetDebuggerStatus:
- * @value : the value to be set
- *
- * This function sets the value of xslDebugStatus.
- */
-void
-xsltSetDebuggerStatus(int value)
-{
- xslDebugStatus = value;
-}
-
-/**
- * xsltGetDebuggerStatus:
- *
- * Get xslDebugStatus.
- *
- * Returns the value of xslDebugStatus.
- */
-int
-xsltGetDebuggerStatus(void)
-{
- return(xslDebugStatus);
-}
-
-/**
- * xsltSetDebuggerCallbacks:
- * @no : number of callbacks
- * @block : the block of callbacks
- *
- * This function allow to plug a debugger into the XSLT library
- * @block points to a block of memory containing the address of @no
- * callback routines.
- *
- * Returns 0 in case of success and -1 in case of error
- */
-int
-xsltSetDebuggerCallbacks(int no, void *block)
-{
- xsltDebuggerCallbacksPtr callbacks;
-
- if ((block == NULL) || (no != XSLT_CALLBACK_NUMBER))
- return(-1);
-
- callbacks = (xsltDebuggerCallbacksPtr) block;
- xsltDebuggerCurrentCallbacks.handler = callbacks->handler;
- xsltDebuggerCurrentCallbacks.add = callbacks->add;
- xsltDebuggerCurrentCallbacks.drop = callbacks->drop;
- return(0);
-}
-
-/**
- * xslHandleDebugger:
- * @cur : source node being executed
- * @node : data node being processed
- * @templ : temlate that applies to node
- * @ctxt : the xslt transform context
- *
- * If either cur or node are a breakpoint, or xslDebugStatus in state
- * where debugging must occcur at this time then transfer control
- * to the xslDebugBreak function
- */
-void
-xslHandleDebugger(xmlNodePtr cur, xmlNodePtr node, xsltTemplatePtr templ,
- xsltTransformContextPtr ctxt)
-{
- if (xsltDebuggerCurrentCallbacks.handler != NULL)
- xsltDebuggerCurrentCallbacks.handler(cur, node, templ, ctxt);
-}
-
-/**
- * xslAddCall:
- * @templ : current template being applied
- * @source : the source node being processed
- *
- * Add template "call" to call stack
- * Returns : 1 on sucess 0 otherwise an error may be printed if
- * WITH_XSLT_DEBUG_BREAKPOINTS is defined
- */
-int
-xslAddCall(xsltTemplatePtr templ, xmlNodePtr source)
-{
- if (xsltDebuggerCurrentCallbacks.add != NULL)
- return(xsltDebuggerCurrentCallbacks.add(templ, source));
- return(0);
-}
-
-/**
- * xslDropCall:
- *
- * Drop the topmost item off the call stack
- */
-void
-xslDropCall(void)
-{
- if (xsltDebuggerCurrentCallbacks.drop != NULL)
- xsltDebuggerCurrentCallbacks.drop();
-}
-
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