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Enhanced handling of xml:base for included elements, fixing bugs 169209

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* xinclude.c: Enhanced handling of xml:base for included
  elements, fixing bugs 169209 and 302353.
This commit is contained in:
William M. Brack 2005-06-01 03:37:59 +00:00
parent bd6c3f7df8
commit 0b13a091e8
2 changed files with 73 additions and 19 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Tue May 31 20:35:27 PDT 2005 William Brack <wbrack@mmm.com.hk>
* xinclude.c: Enhanced handling of xml:base for included
elements, fixing bugs 169209 and 302353.
Wed May 25 18:59:53 CEST 2005 Kasimier Buchcik <libxml2-cvs@cazic.net>
* xmlschemas.c: Fixed facet errors to be channelled back for

87
xinclude.c
View File

@ -1663,32 +1663,81 @@ loaded:
*/
if ((doc != NULL) && (URL != NULL) && (xmlStrchr(URL, (xmlChar) '/'))) {
xmlNodePtr node;
xmlChar *relURI;
xmlChar *base;
xmlChar *curBase;
/*
* The base is only adjusted if necessary for the existing base
* The base is only adjusted if "necessary", i.e. if the xinclude node
* has a base specified, or the URL is relative
*/
relURI = xmlBuildRelativeURI(URL, ctxt->base);
if (relURI == NULL) { /* Error return */
xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
base = xmlGetNsProp(ctxt->incTab[nr]->ref, BAD_CAST "base",
XML_XML_NAMESPACE);
if (base == NULL) {
/*
* No xml:base on the xinclude node, so we check whether the
* URI base is different than (relative to) the context base
*/
curBase = xmlBuildRelativeURI(URL, ctxt->base);
if (curBase == NULL) { /* Error return */
xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
XML_XINCLUDE_HREF_URI,
"trying to build relative URI from %s\n", URL);
} else {
if (xmlStrchr(relURI, (xmlChar) '/')) {
node = ctxt->incTab[nr]->inc;
while (node != NULL) {
if (node->type == XML_ELEMENT_NODE) {
curBase = xmlNodeGetBase(node->doc, node);
if ((curBase == NULL) || xmlStrEqual(curBase, node->doc->URL))
xmlNodeSetBase(node, relURI);
if (curBase != NULL)
xmlFree(curBase);
}
node = node->next;
}
} else {
/* If the URI doesn't contain a slash, it's not relative */
if (!xmlStrchr(curBase, (xmlChar) '/'))
xmlFree(curBase);
else
base = curBase;
}
xmlFree(relURI);
}
if (base != NULL) { /* Adjustment may be needed */
node = ctxt->incTab[nr]->inc;
while (node != NULL) {
/* Only work on element nodes */
if (node->type == XML_ELEMENT_NODE) {
curBase = xmlNodeGetBase(node->doc, node);
/* If no current base, set it */
if (curBase == NULL) {
xmlNodeSetBase(node, base);
} else {
/*
* If the current base is the same as the
* URL of the document, then reset it to be
* the specified xml:base or the relative URI
*/
if (xmlStrEqual(curBase, node->doc->URL)) {
xmlNodeSetBase(node, base);
} else {
/*
* If the element already has an xml:base
* set, then relativise it if necessary
*/
xmlChar *xmlBase;
xmlBase = xmlGetNsProp(node,
BAD_CAST "base",
XML_XML_NAMESPACE);
if (xmlBase != NULL) {
xmlChar *relBase;
relBase = xmlBuildURI(xmlBase, base);
if (relBase == NULL) { /* error */
xmlXIncludeErr(ctxt,
ctxt->incTab[nr]->ref,
XML_XINCLUDE_HREF_URI,
"trying to rebuild base from %s\n",
xmlBase);
} else {
xmlNodeSetBase(node, relBase);
xmlFree(relBase);
}
xmlFree(xmlBase);
}
}
xmlFree(curBase);
}
}
node = node->next;
}
xmlFree(base);
}
}
if ((nr < ctxt->incNr) && (ctxt->incTab[nr]->doc != NULL) &&