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Unified Diff: third_party/libxslt/libxslt/namespaces.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/namespaces.c
diff --git a/third_party/libxslt/libxslt/namespaces.c b/third_party/libxslt/libxslt/namespaces.c
deleted file mode 100644
index 07a7705b368a9940e6224fe7050f330fa66fabba..0000000000000000000000000000000000000000
--- a/third_party/libxslt/libxslt/namespaces.c
+++ /dev/null
@@ -1,853 +0,0 @@
-/*
- * namespaces.c: Implementation of the XSLT namespaces handling
- *
- * 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"
-
-#include <string.h>
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_MATH_H
-#include <math.h>
-#endif
-#ifdef HAVE_FLOAT_H
-#include <float.h>
-#endif
-#ifdef HAVE_IEEEFP_H
-#include <ieeefp.h>
-#endif
-#ifdef HAVE_NAN_H
-#include <nan.h>
-#endif
-#ifdef HAVE_CTYPE_H
-#include <ctype.h>
-#endif
-#ifndef XSLT_NEED_TRIO
-#include <stdio.h>
-#else
-#include <trio.h>
-#endif
-
-#include <libxml/xmlmemory.h>
-#include <libxml/tree.h>
-#include <libxml/hash.h>
-#include <libxml/xmlerror.h>
-#include <libxml/uri.h>
-#include "xslt.h"
-#include "xsltInternals.h"
-#include "xsltutils.h"
-#include "namespaces.h"
-#include "imports.h"
-
-/************************************************************************
- * *
- * Module interfaces *
- * *
- ************************************************************************/
-
-#ifdef XSLT_REFACTORED
-static xsltNsAliasPtr
-xsltNewNsAlias(xsltCompilerCtxtPtr cctxt)
-{
- xsltNsAliasPtr ret;
-
- if (cctxt == NULL)
- return(NULL);
-
- ret = (xsltNsAliasPtr) xmlMalloc(sizeof(xsltNsAlias));
- if (ret == NULL) {
- xsltTransformError(NULL, cctxt->style, NULL,
- "Internal error in xsltNewNsAlias(): Memory allocation failed.\n");
- cctxt->style->errors++;
- return(NULL);
- }
- memset(ret, 0, sizeof(xsltNsAlias));
- /*
- * TODO: Store the item at current stylesheet-level.
- */
- ret->next = cctxt->nsAliases;
- cctxt->nsAliases = ret;
-
- return(ret);
-}
-#endif /* XSLT_REFACTORED */
-/**
- * xsltNamespaceAlias:
- * @style: the XSLT stylesheet
- * @node: the xsl:namespace-alias node
- *
- * Read the stylesheet-prefix and result-prefix attributes, register
- * them as well as the corresponding namespace.
- */
-void
-xsltNamespaceAlias(xsltStylesheetPtr style, xmlNodePtr node)
-{
- xmlChar *resultPrefix = NULL;
- xmlChar *stylePrefix = NULL;
- xmlNsPtr literalNs = NULL;
- xmlNsPtr targetNs = NULL;
-
-#ifdef XSLT_REFACTORED
- xsltNsAliasPtr alias;
-
- if ((style == NULL) || (node == NULL))
- return;
-
- /*
- * SPEC XSLT 1.0:
- * "If a namespace URI is declared to be an alias for multiple
- * different namespace URIs, then the declaration with the highest
- * import precedence is used. It is an error if there is more than
- * one such declaration. An XSLT processor may signal the error;
- * if it does not signal the error, it must recover by choosing,
- * from amongst the declarations with the highest import precedence,
- * the one that occurs last in the stylesheet."
- *
- * SPEC TODO: Check for the errors mentioned above.
- */
- /*
- * NOTE that the XSLT 2.0 also *does* use the NULL namespace if
- * "#default" is used and there's no default namespace is scope.
- * I.e., this is *not* an error.
- * Most XSLT 1.0 implementations work this way.
- * The XSLT 1.0 spec has nothing to say on the subject.
- */
- /*
- * Attribute "stylesheet-prefix".
- */
- stylePrefix = xmlGetNsProp(node, (const xmlChar *)"stylesheet-prefix", NULL);
- if (stylePrefix == NULL) {
- xsltTransformError(NULL, style, node,
- "The attribute 'stylesheet-prefix' is missing.\n");
- return;
- }
- if (xmlStrEqual(stylePrefix, (const xmlChar *)"#default"))
- literalNs = xmlSearchNs(node->doc, node, NULL);
- else {
- literalNs = xmlSearchNs(node->doc, node, stylePrefix);
- if (literalNs == NULL) {
- xsltTransformError(NULL, style, node,
- "Attribute 'stylesheet-prefix': There's no namespace "
- "declaration in scope for the prefix '%s'.\n",
- stylePrefix);
- goto error;
- }
- }
- /*
- * Attribute "result-prefix".
- */
- resultPrefix = xmlGetNsProp(node, (const xmlChar *)"result-prefix", NULL);
- if (resultPrefix == NULL) {
- xsltTransformError(NULL, style, node,
- "The attribute 'result-prefix' is missing.\n");
- goto error;
- }
- if (xmlStrEqual(resultPrefix, (const xmlChar *)"#default"))
- targetNs = xmlSearchNs(node->doc, node, NULL);
- else {
- targetNs = xmlSearchNs(node->doc, node, resultPrefix);
-
- if (targetNs == NULL) {
- xsltTransformError(NULL, style, node,
- "Attribute 'result-prefix': There's no namespace "
- "declaration in scope for the prefix '%s'.\n",
- stylePrefix);
- goto error;
- }
- }
- /*
- *
- * Same alias for multiple different target namespace URIs:
- * TODO: The one with the highest import precedence is used.
- * Example:
- * <xsl:namespace-alias stylesheet-prefix="foo"
- * result-prefix="bar"/>
- *
- * <xsl:namespace-alias stylesheet-prefix="foo"
- * result-prefix="zar"/>
- *
- * Same target namespace URI for multiple different aliases:
- * All alias-definitions will be used.
- * Example:
- * <xsl:namespace-alias stylesheet-prefix="bar"
- * result-prefix="foo"/>
- *
- * <xsl:namespace-alias stylesheet-prefix="zar"
- * result-prefix="foo"/>
- * Cases using #default:
- * <xsl:namespace-alias stylesheet-prefix="#default"
- * result-prefix="#default"/>
- * TODO: Has this an effect at all?
- *
- * <xsl:namespace-alias stylesheet-prefix="foo"
- * result-prefix="#default"/>
- * From namespace to no namespace.
- *
- * <xsl:namespace-alias stylesheet-prefix="#default"
- * result-prefix="foo"/>
- * From no namespace to namespace.
- */
-
-
- /*
- * Store the ns-node in the alias-object.
- */
- alias = xsltNewNsAlias(XSLT_CCTXT(style));
- if (alias == NULL)
- return;
- alias->literalNs = literalNs;
- alias->targetNs = targetNs;
- XSLT_CCTXT(style)->hasNsAliases = 1;
-
-
-#else /* XSLT_REFACTORED */
- const xmlChar *literalNsName;
- const xmlChar *targetNsName;
-
-
- if ((style == NULL) || (node == NULL))
- return;
-
- stylePrefix = xmlGetNsProp(node, (const xmlChar *)"stylesheet-prefix", NULL);
- if (stylePrefix == NULL) {
- xsltTransformError(NULL, style, node,
- "namespace-alias: stylesheet-prefix attribute missing\n");
- return;
- }
- resultPrefix = xmlGetNsProp(node, (const xmlChar *)"result-prefix", NULL);
- if (resultPrefix == NULL) {
- xsltTransformError(NULL, style, node,
- "namespace-alias: result-prefix attribute missing\n");
- goto error;
- }
-
- if (xmlStrEqual(stylePrefix, (const xmlChar *)"#default")) {
- literalNs = xmlSearchNs(node->doc, node, NULL);
- if (literalNs == NULL) {
- literalNsName = NULL;
- } else
- literalNsName = literalNs->href; /* Yes - set for nsAlias table */
- } else {
- literalNs = xmlSearchNs(node->doc, node, stylePrefix);
-
- if ((literalNs == NULL) || (literalNs->href == NULL)) {
- xsltTransformError(NULL, style, node,
- "namespace-alias: prefix %s not bound to any namespace\n",
- stylePrefix);
- goto error;
- } else
- literalNsName = literalNs->href;
- }
-
- /*
- * When "#default" is used for result, if a default namespace has not
- * been explicitly declared the special value UNDEFINED_DEFAULT_NS is
- * put into the nsAliases table
- */
- if (xmlStrEqual(resultPrefix, (const xmlChar *)"#default")) {
- targetNs = xmlSearchNs(node->doc, node, NULL);
- if (targetNs == NULL) {
- targetNsName = UNDEFINED_DEFAULT_NS;
- } else
- targetNsName = targetNs->href;
- } else {
- targetNs = xmlSearchNs(node->doc, node, resultPrefix);
-
- if ((targetNs == NULL) || (targetNs->href == NULL)) {
- xsltTransformError(NULL, style, node,
- "namespace-alias: prefix %s not bound to any namespace\n",
- resultPrefix);
- goto error;
- } else
- targetNsName = targetNs->href;
- }
- /*
- * Special case: if #default is used for
- * the stylesheet-prefix (literal namespace) and there's no default
- * namespace in scope, we'll use style->defaultAlias for this.
- */
- if (literalNsName == NULL) {
- if (targetNs != NULL) {
- /*
- * BUG TODO: Is it not sufficient to have only 1 field for
- * this, since subsequently alias declarations will
- * overwrite this.
- * Example:
- * <xsl:namespace-alias result-prefix="foo"
- * stylesheet-prefix="#default"/>
- * <xsl:namespace-alias result-prefix="bar"
- * stylesheet-prefix="#default"/>
- * The mapping for "foo" won't be visible anymore.
- */
- style->defaultAlias = targetNs->href;
- }
- } else {
- if (style->nsAliases == NULL)
- style->nsAliases = xmlHashCreate(10);
- if (style->nsAliases == NULL) {
- xsltTransformError(NULL, style, node,
- "namespace-alias: cannot create hash table\n");
- goto error;
- }
- xmlHashAddEntry((xmlHashTablePtr) style->nsAliases,
- literalNsName, (void *) targetNsName);
- }
-#endif /* else of XSLT_REFACTORED */
-
-error:
- if (stylePrefix != NULL)
- xmlFree(stylePrefix);
- if (resultPrefix != NULL)
- xmlFree(resultPrefix);
-}
-
-/**
- * xsltGetSpecialNamespace:
- * @ctxt: the transformation context
- * @invocNode: the invoking node; e.g. a literal result element/attr;
- * only used for error reports
- * @nsName: the namespace name (or NULL)
- * @nsPrefix: the suggested namespace prefix (or NULL)
- * @target: the result element on which to anchor a namespace
- *
- * Find a matching (prefix and ns-name) ns-declaration
- * for the requested @nsName and @nsPrefix in the result tree.
- * If none is found then a new ns-declaration will be
- * added to @resultElem. If, in this case, the given prefix is
- * already in use, then a ns-declaration with a modified ns-prefix
- * be we created. Note that this function's priority is to
- * preserve ns-prefixes; it will only change a prefix if there's
- * a namespace clash.
- * If both @nsName and @nsPrefix are NULL, then this will try to
- * "undeclare" a default namespace by declaring an xmlns="".
- *
- * Returns a namespace declaration or NULL.
- */
-xmlNsPtr
-xsltGetSpecialNamespace(xsltTransformContextPtr ctxt, xmlNodePtr invocNode,
- const xmlChar *nsName, const xmlChar *nsPrefix,
- xmlNodePtr target)
-{
- xmlNsPtr ns;
- int prefixOccupied = 0;
-
- if ((ctxt == NULL) || (target == NULL) ||
- (target->type != XML_ELEMENT_NODE))
- return(NULL);
-
- /*
- * NOTE: Namespace exclusion and ns-aliasing is performed at
- * compilation-time in the refactored code; so this need not be done
- * here (it was in the old code).
- * NOTE: @invocNode was named @cur in the old code and was documented to
- * be an input node; since it was only used to anchor an error report
- * somewhere, we can safely change this to @invocNode, which now
- * will be the XSLT instruction (also a literal result element/attribute),
- * which was responsible for this call.
- */
- /*
- * OPTIMIZE TODO: This all could be optimized by keeping track of
- * the ns-decls currently in-scope via a specialized context.
- */
- if ((nsPrefix == NULL) && ((nsName == NULL) || (nsName[0] == 0))) {
- /*
- * NOTE: the "undeclaration" of the default namespace was
- * part of the logic of the old xsltGetSpecialNamespace() code,
- * so we'll keep that mechanism.
- * Related to the old code: bug #302020:
- */
- /*
- * OPTIMIZE TODO: This all could be optimized by keeping track of
- * the ns-decls currently in-scope via a specialized context.
- */
- /*
- * Search on the result element itself.
- */
- if (target->nsDef != NULL) {
- ns = target->nsDef;
- do {
- if (ns->prefix == NULL) {
- if ((ns->href != NULL) && (ns->href[0] != 0)) {
- /*
- * Raise a namespace normalization error.
- */
- xsltTransformError(ctxt, NULL, invocNode,
- "Namespace normalization error: Cannot undeclare "
- "the default namespace, since the default namespace "
- "'%s' is already declared on the result element "
- "'%s'.\n", ns->href, target->name);
- return(NULL);
- } else {
- /*
- * The default namespace was undeclared on the
- * result element.
- */
- return(NULL);
- }
- break;
- }
- ns = ns->next;
- } while (ns != NULL);
- }
- if ((target->parent != NULL) &&
- (target->parent->type == XML_ELEMENT_NODE))
- {
- /*
- * The parent element is in no namespace, so assume
- * that there is no default namespace in scope.
- */
- if (target->parent->ns == NULL)
- return(NULL);
-
- ns = xmlSearchNs(target->doc, target->parent,
- NULL);
- /*
- * Fine if there's no default ns is scope, or if the
- * default ns was undeclared.
- */
- if ((ns == NULL) || (ns->href == NULL) || (ns->href[0] == 0))
- return(NULL);
-
- /*
- * Undeclare the default namespace.
- */
- xmlNewNs(target, BAD_CAST "", NULL);
- /* TODO: Check result */
- return(NULL);
- }
- return(NULL);
- }
- /*
- * Handle the XML namespace.
- * QUESTION: Is this faster than using xmlStrEqual() anyway?
- */
- if ((nsPrefix != NULL) &&
- (nsPrefix[0] == 'x') && (nsPrefix[1] == 'm') &&
- (nsPrefix[2] == 'l') && (nsPrefix[3] == 0))
- {
- return(xmlSearchNs(target->doc, target, nsPrefix));
- }
- /*
- * First: search on the result element itself.
- */
- if (target->nsDef != NULL) {
- ns = target->nsDef;
- do {
- if ((ns->prefix == NULL) == (nsPrefix == NULL)) {
- if (ns->prefix == nsPrefix) {
- if (xmlStrEqual(ns->href, nsName))
- return(ns);
- prefixOccupied = 1;
- break;
- } else if (xmlStrEqual(ns->prefix, nsPrefix)) {
- if (xmlStrEqual(ns->href, nsName))
- return(ns);
- prefixOccupied = 1;
- break;
- }
- }
- ns = ns->next;
- } while (ns != NULL);
- }
- if (prefixOccupied) {
- /*
- * If the ns-prefix is occupied by an other ns-decl on the
- * result element, then this means:
- * 1) The desired prefix is shadowed
- * 2) There's no way around changing the prefix
- *
- * Try a desperate search for an in-scope ns-decl
- * with a matching ns-name before we use the last option,
- * which is to recreate the ns-decl with a modified prefix.
- */
- ns = xmlSearchNsByHref(target->doc, target, nsName);
- if (ns != NULL)
- return(ns);
-
- /*
- * Fallback to changing the prefix.
- */
- } else if ((target->parent != NULL) &&
- (target->parent->type == XML_ELEMENT_NODE))
- {
- /*
- * Try to find a matching ns-decl in the ancestor-axis.
- *
- * Check the common case: The parent element of the current
- * result element is in the same namespace (with an equal ns-prefix).
- */
- if ((target->parent->ns != NULL) &&
- ((target->parent->ns->prefix != NULL) == (nsPrefix != NULL)))
- {
- ns = target->parent->ns;
-
- if (nsPrefix == NULL) {
- if (xmlStrEqual(ns->href, nsName))
- return(ns);
- } else if (xmlStrEqual(ns->prefix, nsPrefix) &&
- xmlStrEqual(ns->href, nsName))
- {
- return(ns);
- }
- }
- /*
- * Lookup the remaining in-scope namespaces.
- */
- ns = xmlSearchNs(target->doc, target->parent, nsPrefix);
- if (ns != NULL) {
- if (xmlStrEqual(ns->href, nsName))
- return(ns);
- /*
- * Now check for a nasty case: We need to ensure that the new
- * ns-decl won't shadow a prefix in-use by an existing attribute.
- * <foo xmlns:a="urn:test:a">
- * <bar a:a="val-a">
- * <xsl:attribute xmlns:a="urn:test:b" name="a:b">
- * val-b</xsl:attribute>
- * </bar>
- * </foo>
- */
- if (target->properties) {
- xmlAttrPtr attr = target->properties;
- do {
- if ((attr->ns) &&
- xmlStrEqual(attr->ns->prefix, nsPrefix))
- {
- /*
- * Bad, this prefix is already in use.
- * Since we'll change the prefix anyway, try
- * a search for a matching ns-decl based on the
- * namespace name.
- */
- ns = xmlSearchNsByHref(target->doc, target, nsName);
- if (ns != NULL)
- return(ns);
- goto declare_new_prefix;
- }
- attr = attr->next;
- } while (attr != NULL);
- }
- } else {
- /*
- * Either no matching ns-prefix was found or the namespace is
- * shadowed.
- * Create a new ns-decl on the current result element.
- *
- * Hmm, we could also try to reuse an in-scope
- * namespace with a matching ns-name but a different
- * ns-prefix.
- * What has higher priority?
- * 1) If keeping the prefix: create a new ns-decl.
- * 2) If reusal: first lookup ns-names; then fallback
- * to creation of a new ns-decl.
- * REVISIT: this currently uses case 1) although
- * the old way was use xmlSearchNsByHref() and to let change
- * the prefix.
- */
-#if 0
- ns = xmlSearchNsByHref(target->doc, target, nsName);
- if (ns != NULL)
- return(ns);
-#endif
- }
- /*
- * Create the ns-decl on the current result element.
- */
- ns = xmlNewNs(target, nsName, nsPrefix);
- /* TODO: check errors */
- return(ns);
- } else {
- /*
- * This is either the root of the tree or something weird is going on.
- */
- ns = xmlNewNs(target, nsName, nsPrefix);
- /* TODO: Check result */
- return(ns);
- }
-
-declare_new_prefix:
- /*
- * Fallback: we need to generate a new prefix and declare the namespace
- * on the result element.
- */
- {
- xmlChar pref[30];
- int counter = 1;
-
- if (nsPrefix == NULL) {
- nsPrefix = BAD_CAST "ns";
- }
-
- do {
- snprintf((char *) pref, 30, "%s_%d", nsPrefix, counter++);
- ns = xmlSearchNs(target->doc, target, BAD_CAST pref);
- if (counter > 1000) {
- xsltTransformError(ctxt, NULL, invocNode,
- "Internal error in xsltAcquireResultInScopeNs(): "
- "Failed to compute a unique ns-prefix for the "
- "generated element");
- return(NULL);
- }
- } while (ns != NULL);
- ns = xmlNewNs(target, nsName, BAD_CAST pref);
- /* TODO: Check result */
- return(ns);
- }
- return(NULL);
-}
-
-/**
- * xsltGetNamespace:
- * @ctxt: a transformation context
- * @cur: the input node
- * @ns: the namespace
- * @out: the output node (or its parent)
- *
- * Find a matching (prefix and ns-name) ns-declaration
- * for the requested @ns->prefix and @ns->href in the result tree.
- * If none is found then a new ns-declaration will be
- * added to @resultElem. If, in this case, the given prefix is
- * already in use, then a ns-declaration with a modified ns-prefix
- * be we created.
- *
- * Called by:
- * - xsltCopyPropList() (*not* anymore)
- * - xsltShallowCopyElement()
- * - xsltCopyTreeInternal() (*not* anymore)
- * - xsltApplySequenceConstructor() (*not* in the refactored code),
- * - xsltElement() (*not* anymore)
- *
- * Returns a namespace declaration or NULL in case of
- * namespace fixup failures or API or internal errors.
- */
-xmlNsPtr
-xsltGetNamespace(xsltTransformContextPtr ctxt, xmlNodePtr cur, xmlNsPtr ns,
- xmlNodePtr out)
-{
-
- if (ns == NULL)
- return(NULL);
-
-#ifdef XSLT_REFACTORED
- /*
- * Namespace exclusion and ns-aliasing is performed at
- * compilation-time in the refactored code.
- * Additionally, aliasing is not intended for non Literal
- * Result Elements.
- */
- return(xsltGetSpecialNamespace(ctxt, cur, ns->href, ns->prefix, out));
-#else
- {
- xsltStylesheetPtr style;
- const xmlChar *URI = NULL; /* the replacement URI */
-
- if ((ctxt == NULL) || (cur == NULL) || (out == NULL))
- return(NULL);
-
- style = ctxt->style;
- while (style != NULL) {
- if (style->nsAliases != NULL)
- URI = (const xmlChar *)
- xmlHashLookup(style->nsAliases, ns->href);
- if (URI != NULL)
- break;
-
- style = xsltNextImport(style);
- }
-
-
- if (URI == UNDEFINED_DEFAULT_NS) {
- return(xsltGetSpecialNamespace(ctxt, cur, NULL, NULL, out));
-#if 0
- /*
- * TODO: Removed, since wrong. If there was no default
- * namespace in the stylesheet then this must resolve to
- * the NULL namespace.
- */
- xmlNsPtr dflt;
- dflt = xmlSearchNs(cur->doc, cur, NULL);
- if (dflt != NULL)
- URI = dflt->href;
- else
- return NULL;
-#endif
- } else if (URI == NULL)
- URI = ns->href;
-
- return(xsltGetSpecialNamespace(ctxt, cur, URI, ns->prefix, out));
- }
-#endif
-}
-
-/**
- * xsltGetPlainNamespace:
- * @ctxt: a transformation context
- * @cur: the input node
- * @ns: the namespace
- * @out: the result element
- *
- * Obsolete.
- * *Not* called by any Libxslt/Libexslt function.
- * Exaclty the same as xsltGetNamespace().
- *
- * Returns a namespace declaration or NULL in case of
- * namespace fixup failures or API or internal errors.
- */
-xmlNsPtr
-xsltGetPlainNamespace(xsltTransformContextPtr ctxt, xmlNodePtr cur,
- xmlNsPtr ns, xmlNodePtr out)
-{
- return(xsltGetNamespace(ctxt, cur, ns, out));
-}
-
-/**
- * xsltCopyNamespaceList:
- * @ctxt: a transformation context
- * @node: the target node
- * @cur: the first namespace
- *
- * Do a copy of an namespace list. If @node is non-NULL the
- * new namespaces are added automatically. This handles namespaces
- * aliases.
- * This function is intended only for *internal* use at
- * transformation-time for copying ns-declarations of Literal
- * Result Elements.
- *
- * Called by:
- * xsltCopyTreeInternal() (transform.c)
- * xsltShallowCopyElem() (transform.c)
- *
- * REVISIT: This function won't be used in the refactored code.
- *
- * Returns: a new xmlNsPtr, or NULL in case of error.
- */
-xmlNsPtr
-xsltCopyNamespaceList(xsltTransformContextPtr ctxt, xmlNodePtr node,
- xmlNsPtr cur) {
- xmlNsPtr ret = NULL, tmp;
- xmlNsPtr p = NULL,q;
-
- if (cur == NULL)
- return(NULL);
- if (cur->type != XML_NAMESPACE_DECL)
- return(NULL);
-
- /*
- * One can add namespaces only on element nodes
- */
- if ((node != NULL) && (node->type != XML_ELEMENT_NODE))
- node = NULL;
-
- while (cur != NULL) {
- if (cur->type != XML_NAMESPACE_DECL)
- break;
-
- /*
- * Avoid duplicating namespace declarations in the tree if
- * a matching declaration is in scope.
- */
- if (node != NULL) {
- if ((node->ns != NULL) &&
- (xmlStrEqual(node->ns->prefix, cur->prefix)) &&
- (xmlStrEqual(node->ns->href, cur->href))) {
- cur = cur->next;
- continue;
- }
- tmp = xmlSearchNs(node->doc, node, cur->prefix);
- if ((tmp != NULL) && (xmlStrEqual(tmp->href, cur->href))) {
- cur = cur->next;
- continue;
- }
- }
-#ifdef XSLT_REFACTORED
- /*
- * Namespace exclusion and ns-aliasing is performed at
- * compilation-time in the refactored code.
- */
- q = xmlNewNs(node, cur->href, cur->prefix);
- if (p == NULL) {
- ret = p = q;
- } else {
- p->next = q;
- p = q;
- }
-#else
- /*
- * TODO: Remove this if the refactored code gets enabled.
- */
- if (!xmlStrEqual(cur->href, XSLT_NAMESPACE)) {
- const xmlChar *URI;
- /* TODO apply cascading */
- URI = (const xmlChar *) xmlHashLookup(ctxt->style->nsAliases,
- cur->href);
- if (URI == UNDEFINED_DEFAULT_NS) {
- cur = cur->next;
- continue;
- }
- if (URI != NULL) {
- q = xmlNewNs(node, URI, cur->prefix);
- } else {
- q = xmlNewNs(node, cur->href, cur->prefix);
- }
- if (p == NULL) {
- ret = p = q;
- } else {
- p->next = q;
- p = q;
- }
- }
-#endif
- cur = cur->next;
- }
- return(ret);
-}
-
-/**
- * xsltCopyNamespace:
- * @ctxt: a transformation context
- * @elem: the target element node
- * @ns: the namespace node
- *
- * Copies a namespace node (declaration). If @elem is not NULL,
- * then the new namespace will be declared on @elem.
- *
- * Returns: a new xmlNsPtr, or NULL in case of an error.
- */
-xmlNsPtr
-xsltCopyNamespace(xsltTransformContextPtr ctxt ATTRIBUTE_UNUSED,
- xmlNodePtr elem, xmlNsPtr ns)
-{
- if ((ns == NULL) || (ns->type != XML_NAMESPACE_DECL))
- return(NULL);
- /*
- * One can add namespaces only on element nodes
- */
- if ((elem != NULL) && (elem->type != XML_ELEMENT_NODE))
- return(xmlNewNs(NULL, ns->href, ns->prefix));
- else
- return(xmlNewNs(elem, ns->href, ns->prefix));
-}
-
-
-/**
- * xsltFreeNamespaceAliasHashes:
- * @style: an XSLT stylesheet
- *
- * Free up the memory used by namespaces aliases
- */
-void
-xsltFreeNamespaceAliasHashes(xsltStylesheetPtr style) {
- if (style->nsAliases != NULL)
- xmlHashFree((xmlHashTablePtr) style->nsAliases, NULL);
- style->nsAliases = NULL;
-}
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