--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/symbian/Libxml2/Libxml2_xinclude.c Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,2403 @@
+/*
+ * xinclude.c : Code to implement XInclude processing
+ *
+ * World Wide Web Consortium W3C Last Call Working Draft 10 November 2003
+ * http://www.w3.org/TR/2003/WD-xinclude-20031110
+ *
+ * See Copyright for the status of this software.
+ *
+ * daniel@veillard.com
+ */
+
+#define IN_LIBXML
+#include "XmlEnglibxml.h"
+
+#include <string.h>
+#include "Libxml2_xmlmemory.h"
+#include "Libxml2_tree.h"
+#include "Libxml2_parser.h"
+#include "Libxml2_uri.h"
+#include "Libxml2_xpointer.h"
+#include "Libxml2_parserInternals.h"
+#include "Libxml2_xmlerror.h"
+#include "Libxml2_encoding.h"
+#include "Libxml2_globals.h"
+
+#ifdef LIBXML_XINCLUDE_ENABLED
+#include "Libxml2_xinclude.h"
+
+
+#define XINCLUDE_MAX_DEPTH 40
+
+/* #define DEBUG_XINCLUDE */
+#ifdef DEBUG_XINCLUDE
+#ifdef LIBXML_DEBUG_ENABLED
+#include <debugXML.h>
+#endif
+#endif
+
+/************************************************************************
+ * *
+ * XInclude context handling *
+ * *
+ ************************************************************************/
+
+/*
+ * An XInclude context
+ */
+typedef xmlChar *xmlURL;
+
+typedef struct _xmlXIncludeRef xmlXIncludeRef;
+typedef xmlXIncludeRef *xmlXIncludeRefPtr;
+struct _xmlXIncludeRef {
+ xmlChar *URI; /* the fully resolved resource URL */
+ xmlChar *fragment; /* the fragment in the URI */
+ xmlDocPtr doc; /* the parsed document */
+ xmlNodePtr ref; /* the node making the reference in the source */
+ xmlNodePtr inc; /* the included copy */
+ int xml; /* xml or txt */
+ int count; /* how many refs use that specific doc */
+ xmlXPathObjectPtr xptr; /* the xpointer if needed */
+ int emptyFb; /* flag to show fallback empty */
+};
+
+struct _xmlXIncludeCtxt {
+ xmlDocPtr doc; /* the source document */
+ int incBase; /* the first include for this document */
+ int incNr; /* number of includes */
+ int incMax; /* size of includes tab */
+ xmlXIncludeRefPtr *incTab; /* array of included references */
+
+ int txtNr; /* number of unparsed documents */
+ int txtMax; /* size of unparsed documents tab */
+ xmlNodePtr *txtTab; /* array of unparsed text nodes */
+ xmlURL *txturlTab; /* array of unparsed text URLs */
+
+ xmlChar * url; /* the current URL processed */
+ int urlNr; /* number of URLs stacked */
+ int urlMax; /* size of URL stack */
+ xmlChar * *urlTab; /* URL stack */
+
+ int nbErrors; /* the number of errors detected */
+ int legacy; /* using XINCLUDE_OLD_NS */
+ int parseFlags; /* the flags used for parsing XML documents */
+};
+
+static int
+xmlXIncludeDoProcess(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc, xmlNodePtr tree);
+
+
+/************************************************************************
+ * *
+ * XInclude error handler *
+ * *
+ ************************************************************************/
+
+/**
+ * xmlXIncludeErrMemory:
+ * @extra: extra information
+ *
+ * Handle an out of memory condition
+ */
+static void
+xmlXIncludeErrMemory(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node,
+ const char *extra)
+{
+ if (ctxt != NULL)
+ ctxt->nbErrors++;
+ __xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
+ XML_ERR_NO_MEMORY, XML_ERR_ERROR, NULL, 0,
+ extra, NULL, NULL, 0, 0,
+ "Memory allocation failed : %s\n", extra);
+}
+
+/**
+ * xmlXIncludeErr:
+ * @ctxt: the XInclude context
+ * @node: the context node
+ * @msg: the error message
+ * @extra: extra information
+ *
+ * Handle an XInclude error
+ */
+static void
+xmlXIncludeErr(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, int error,
+ const char *msg, const xmlChar *extra)
+{
+ if (ctxt != NULL)
+ ctxt->nbErrors++;
+ __xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
+ error, XML_ERR_ERROR, NULL, 0,
+ (const char *) extra, NULL, NULL, 0, 0,
+ msg, (const char *) extra);
+}
+
+#if 0
+/**
+ * xmlXIncludeWarn:
+ * @ctxt: the XInclude context
+ * @node: the context node
+ * @msg: the error message
+ * @extra: extra information
+ *
+ * Emit an XInclude warning.
+ */
+static void
+xmlXIncludeWarn(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, int error,
+ const char *msg, const xmlChar *extra)
+{
+ __xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
+ error, XML_ERR_WARNING, NULL, 0,
+ (const char *) extra, NULL, NULL, 0, 0,
+ msg, (const char *) extra);
+}
+#endif
+
+/**
+ * xmlXIncludeGetProp:
+ * @ctxt: the XInclude context
+ * @cur: the node
+ * @name: the attribute name
+ *
+ * Get an XInclude attribute
+ *
+ * Returns the value (to be freed) or NULL if not found
+ */
+static xmlChar *
+xmlXIncludeGetProp(xmlXIncludeCtxtPtr ctxt, xmlNodePtr cur,
+ const xmlChar *name) {
+ xmlChar *ret;
+
+ ret = xmlGetNsProp(cur, XINCLUDE_NS, name);
+ if (ret != NULL)
+ return(ret);
+ if (ctxt->legacy != 0) {
+ ret = xmlGetNsProp(cur, XINCLUDE_OLD_NS, name);
+ if (ret != NULL)
+ return(ret);
+ }
+ ret = xmlGetProp(cur, name);
+ return(ret);
+}
+/**
+ * xmlXIncludeFreeRef:
+ * @ref: the XInclude reference
+ *
+ * Free an XInclude reference
+ */
+static void
+xmlXIncludeFreeRef(xmlXIncludeRefPtr ref) {
+ if (ref == NULL)
+ return;
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "Freeing ref\n");
+#endif
+ if (ref->doc != NULL) {
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "Freeing doc %s\n", ref->URI);
+#endif
+ xmlFreeDoc(ref->doc);
+ }
+ if (ref->URI != NULL)
+ xmlFree(ref->URI);
+ if (ref->fragment != NULL)
+ xmlFree(ref->fragment);
+ if (ref->xptr != NULL)
+ xmlXPathFreeObject(ref->xptr);
+ xmlFree(ref);
+}
+
+/**
+ * xmlXIncludeNewRef:
+ * @ctxt: the XInclude context
+ * @URI: the resource URI
+ *
+ * Creates a new reference within an XInclude context
+ *
+ * Returns the new set
+ */
+static xmlXIncludeRefPtr
+xmlXIncludeNewRef(xmlXIncludeCtxtPtr ctxt, const xmlChar* URI, xmlNodePtr ref)
+{
+ xmlXIncludeRefPtr ret;
+
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "New ref %s\n", URI);
+#endif
+ ret = (xmlXIncludeRefPtr) xmlMalloc(sizeof(xmlXIncludeRef));
+ if (!ret)
+ goto OOM_exit;
+
+ memset(ret, 0, sizeof(xmlXIncludeRef));
+
+ ret->URI = URI ? xmlStrdup(URI) : (xmlChar*) /* NULL */ URI;
+ // DONE: remove unnecessary initialization to NULL
+ //ret->fragment = NULL;
+ ret->ref = ref;
+ //ret->doc = 0;
+ //ret->count = 0;
+ //ret->xml = 0;
+ //ret->inc = NULL;
+ if (ctxt->incMax == 0) {
+ xmlXIncludeRefPtr* tmp;
+ // TODO: use some constant instead of 4's below
+ tmp = (xmlXIncludeRefPtr*) xmlMalloc(4 * sizeof(ctxt->incTab[0]));
+ if (!tmp)
+ goto OOM;
+ ctxt->incTab = tmp;
+ ctxt->incMax = 4;
+ }
+ if (ctxt->incNr >= ctxt->incMax) {
+ xmlXIncludeRefPtr* tmp;
+ ctxt->incMax *= 2;
+ tmp = (xmlXIncludeRefPtr*) xmlRealloc(ctxt->incTab, // DONE: Fix xmlRealloc
+ ctxt->incMax * sizeof(ctxt->incTab[0]));
+ if (!tmp) {
+ ctxt->incMax /= 2;
+OOM:
+ xmlXIncludeFreeRef(ret);
+OOM_exit:
+ xmlXIncludeErrMemory(ctxt, ref, "growing XInclude context");
+ return(NULL);
+ }
+ ctxt->incTab = tmp;
+ }
+ ctxt->incTab[ctxt->incNr++] = ret;
+ return(ret);
+}
+
+/**
+ * xmlXIncludeNewContext:
+ * @doc: an XML Document
+ *
+ * Creates a new XInclude context
+ *
+ * Returns the new set
+ */
+xmlXIncludeCtxtPtr
+xmlXIncludeNewContext(xmlDocPtr doc) {
+ xmlXIncludeCtxtPtr ret;
+
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "New context\n");
+#endif
+ if (doc == NULL)
+ return(NULL);
+ ret = (xmlXIncludeCtxtPtr) xmlMalloc(sizeof(xmlXIncludeCtxt));
+ if (ret == NULL) {
+ xmlXIncludeErrMemory(NULL, (xmlNodePtr) doc,
+ "creating XInclude context");
+ return(NULL);
+ }
+ memset(ret, 0, sizeof(xmlXIncludeCtxt));
+ ret->doc = doc;
+ ret->incNr = 0;
+ ret->incBase = 0;
+ ret->incMax = 0;
+ ret->incTab = NULL;
+ ret->nbErrors = 0;
+ return(ret);
+}
+
+/**
+ * xmlXIncludeURLPush:
+ * @ctxt: the parser context
+ * @value: the url
+ *
+ * Pushes a new url on top of the url stack
+ *
+ * Returns -1 in case of error, the index in the stack otherwise
+ */
+static int
+xmlXIncludeURLPush(xmlXIncludeCtxtPtr ctxt, const xmlChar* value)
+{
+ xmlChar* vcopy;
+ if (ctxt->urlNr > XINCLUDE_MAX_DEPTH) {
+ xmlXIncludeErr(ctxt, NULL, XML_XINCLUDE_RECURSION,
+ "detected a recursion in %s\n", value);
+ return(-1);
+ }
+ if (ctxt->urlTab == NULL) {
+ ctxt->urlMax = 0;
+ ctxt->urlNr = 0;
+ // TODO: use some constant instead of 4's below
+ ctxt->urlTab = (xmlChar**) xmlMalloc(4 * sizeof(ctxt->urlTab[0]));
+ if (!ctxt->urlTab)
+ goto OOM_exit;
+ ctxt->urlMax = 4;
+ }
+ if (ctxt->urlNr >= ctxt->urlMax) {
+ xmlChar** tmp;
+ ctxt->urlMax *= 2;
+ tmp = (xmlChar**) xmlRealloc(ctxt->urlTab, // DONE: Fix xmlRealloc
+ ctxt->urlMax *
+ sizeof(ctxt->urlTab[0]));
+ if (!tmp) {
+ ctxt->urlMax /= 2;
+OOM_exit:
+ xmlXIncludeErrMemory(ctxt, NULL, "adding URL");
+ return (-1);
+ }
+ ctxt->urlTab = tmp;
+ }
+ vcopy = value ? xmlStrdup(value) : (xmlChar*) value /* NULL */;
+ if(vcopy || !value)
+ {
+ ctxt->url = ctxt->urlTab[ctxt->urlNr] = vcopy;
+ return (ctxt->urlNr++);
+ }
+ else // OOM!
+ goto OOM_exit;
+}
+
+/**
+ * xmlXIncludeURLPop:
+ * @ctxt: the parser context
+ *
+ * Pops the top URL from the URL stack
+ */
+static void
+xmlXIncludeURLPop(xmlXIncludeCtxtPtr ctxt)
+{
+ xmlChar * ret;
+
+ if (ctxt->urlNr <= 0)
+ return;
+ ctxt->urlNr--;
+ if (ctxt->urlNr > 0)
+ ctxt->url = ctxt->urlTab[ctxt->urlNr - 1];
+ else
+ ctxt->url = NULL;
+ ret = ctxt->urlTab[ctxt->urlNr];
+ ctxt->urlTab[ctxt->urlNr] = 0;
+ if (ret != NULL)
+ xmlFree(ret);
+}
+
+/**
+ * xmlXIncludeFreeContext:
+ * @ctxt: the XInclude context
+ *
+ * Free an XInclude context
+ */
+void
+xmlXIncludeFreeContext(xmlXIncludeCtxtPtr ctxt) {
+ int i;
+
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "Freeing context\n");
+#endif
+ if (ctxt == NULL)
+ return;
+ while (ctxt->urlNr > 0)
+ xmlXIncludeURLPop(ctxt);
+ if (ctxt->urlTab != NULL)
+ xmlFree(ctxt->urlTab);
+ for (i = 0;i < ctxt->incNr;i++) {
+ if (ctxt->incTab[i] != NULL)
+ xmlXIncludeFreeRef(ctxt->incTab[i]);
+ }
+ for (i = 0;i < ctxt->txtNr;i++) {
+ if (ctxt->txturlTab[i] != NULL)
+ xmlFree(ctxt->txturlTab[i]);
+ }
+ if (ctxt->incTab != NULL)
+ xmlFree(ctxt->incTab);
+ if (ctxt->txtTab != NULL)
+ xmlFree(ctxt->txtTab);
+ if (ctxt->txturlTab != NULL)
+ xmlFree(ctxt->txturlTab);
+ xmlFree(ctxt);
+}
+
+/**
+ * xmlXIncludeParseFile:
+ * @ctxt: the XInclude context
+ * @URL: the URL or file path
+ *
+ * parse a document for XInclude
+ */
+static xmlDocPtr
+xmlXIncludeParseFile(xmlXIncludeCtxtPtr ctxt, const char *URL) {
+ xmlDocPtr ret;
+ xmlParserCtxtPtr pctxt;
+ char *directory = NULL;
+ xmlParserInputPtr inputStream;
+
+ xmlInitParser();
+
+ pctxt = xmlNewParserCtxt();
+ if (pctxt == NULL) {
+ xmlXIncludeErrMemory(ctxt, NULL, "cannot allocate parser context");
+ return(NULL);
+ }
+ /*
+ * try to ensure that new documents included are actually
+ * built with the same dictionary as the including document.
+ */
+ if ((ctxt->doc != NULL) && (ctxt->doc->dict != NULL) &&
+ (pctxt->dict != NULL)) {
+ xmlDictFree(pctxt->dict);
+ pctxt->dict = ctxt->doc->dict;
+ xmlDictReference(pctxt->dict);
+ }
+
+ xmlCtxtUseOptions(pctxt, ctxt->parseFlags | XML_PARSE_DTDLOAD);
+
+ inputStream = xmlLoadExternalEntity(URL, NULL, pctxt);
+ if (inputStream == NULL) {
+ xmlFreeParserCtxt(pctxt);
+ return(NULL);
+ }
+
+ inputPush(pctxt, inputStream);
+
+ if ((pctxt->directory == NULL) && (directory == NULL))
+ directory = xmlParserGetDirectory(URL);
+ if ((pctxt->directory == NULL) && (directory != NULL))
+ pctxt->directory = (char *) xmlStrdup((xmlChar *) directory);
+
+ pctxt->loadsubset = XML_DETECT_IDS;
+
+ xmlParseDocument(pctxt);
+
+ if (pctxt->wellFormed) {
+ ret = pctxt->myDoc;
+ }
+ else {
+ ret = NULL;
+ if (pctxt->myDoc != NULL)
+ xmlFreeDoc(pctxt->myDoc);
+ pctxt->myDoc = NULL;
+ }
+ xmlFreeParserCtxt(pctxt);
+
+ return(ret);
+}
+
+/**
+ * xmlXIncludeAddNode:
+ * @ctxt: the XInclude context
+ * @cur: the new node
+ *
+ * Add a new node to process to an XInclude context
+ */
+static int
+xmlXIncludeAddNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr cur) {
+ xmlXIncludeRefPtr ref;
+ xmlURIPtr uri;
+ xmlChar *URL;
+ xmlChar *fragment = NULL;
+ xmlChar *href;
+ xmlChar *parse;
+ xmlChar *base;
+ xmlChar *URI;
+ int xml = 1, i; /* default Issue 64 */
+ int local = 0;
+
+
+ if (ctxt == NULL)
+ return(-1);
+ if (cur == NULL)
+ return(-1);
+
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "Add node\n");
+#endif
+ /*
+ * read the attributes
+ */
+ href = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_HREF);
+ if (href == NULL) {
+ href = xmlStrdup(BAD_CAST ""); /* @@@@ href is now optional */
+ if (href == NULL)
+ return(-1);
+ local = 1;
+ }
+ if (href[0] == '#')
+ local = 1;
+ parse = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_PARSE);
+ if (parse != NULL) {
+ if (xmlStrEqual(parse, XINCLUDE_PARSE_XML))
+ xml = 1;
+ else if (xmlStrEqual(parse, XINCLUDE_PARSE_TEXT))
+ xml = 0;
+ else {
+ xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_PARSE_VALUE,
+ "invalid value %s for 'parse'\n", parse);
+ if (href != NULL)
+ xmlFree(href);
+ if (parse != NULL)
+ xmlFree(parse);
+ return(-1);
+ }
+ }
+
+ /*
+ * compute the URI
+ */
+ base = xmlNodeGetBase(ctxt->doc, cur);
+ if (base == NULL) {
+ URI = xmlBuildURI(href, ctxt->doc->URL);
+ } else {
+ URI = xmlBuildURI(href, base);
+ }
+ if (URI == NULL) {
+ xmlChar *escbase;
+ xmlChar *eschref;
+ /*
+ * Some escaping may be needed
+ */
+ escbase = xmlURIEscape(base);
+ eschref = xmlURIEscape(href);
+ URI = xmlBuildURI(eschref, escbase);
+ if (escbase != NULL)
+ xmlFree(escbase);
+ if (eschref != NULL)
+ xmlFree(eschref);
+ }
+ if (parse != NULL)
+ xmlFree(parse);
+ if (href != NULL)
+ xmlFree(href);
+ if (base != NULL)
+ xmlFree(base);
+ if (URI == NULL) {
+ xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI,
+ "failed build URL\n", NULL);
+ return(-1);
+ }
+ fragment = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_PARSE_XPOINTER);
+
+ /*
+ * Check the URL and remove any fragment identifier
+ */
+ uri = xmlParseURI((const char *)URI);
+ if (uri == NULL) {
+ xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI,
+ "invalid value URI %s\n", URI);
+ if (fragment != NULL)
+ xmlFree(fragment);
+ xmlFree(URI);
+ return(-1);
+ }
+
+ if (uri->fragment != NULL) {
+ if (ctxt->legacy != 0) {
+ if (fragment == NULL) {
+ fragment = (xmlChar *) uri->fragment;
+ } else {
+ xmlFree(uri->fragment);
+ }
+ } else {
+ xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_FRAGMENT_ID,
+ "Invalid fragment identifier in URI %s use the xpointer attribute\n",
+ URI);
+ if (fragment != NULL)
+ xmlFree(fragment);
+ xmlFreeURI(uri);
+ xmlFree(URI);
+ return(-1);
+ }
+ uri->fragment = NULL;
+ }
+ URL = xmlSaveUri(uri);
+ xmlFreeURI(uri);
+ xmlFree(URI);
+ if (URL == NULL) {
+ xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI,
+ "invalid value URI %s\n", URI);
+ if (fragment != NULL)
+ xmlFree(fragment);
+ return(-1);
+ }
+
+ /*
+ * Check the URL against the stack for recursions
+ */
+ if (!local) {
+ for (i = 0;i < ctxt->urlNr;i++) {
+ if (xmlStrEqual(URL, ctxt->urlTab[i])) {
+ xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_RECURSION,
+ "detected a recursion in %s\n", URL);
+ return(-1);
+ }
+ }
+ }
+
+ ref = xmlXIncludeNewRef(ctxt, URL, cur);
+ if (ref == NULL) {
+ return(-1);
+ }
+ ref->fragment = fragment;
+ ref->doc = NULL;
+ ref->xml = xml;
+ ref->count = 1;
+ xmlFree(URL);
+ return(0);
+}
+
+/**
+ * xmlXIncludeRecurseDoc:
+ * @ctxt: the XInclude context
+ * @doc: the new document
+ * @url: the associated URL
+ *
+ * The XInclude recursive nature is handled at this point.
+ */
+static void
+xmlXIncludeRecurseDoc(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc,
+ const xmlURL url ATTRIBUTE_UNUSED) {
+ xmlXIncludeCtxtPtr newctxt;
+ int i;
+
+ /*
+ * Avoid recursion in already substitued resources
+ for (i = 0;i < ctxt->urlNr;i++) {
+ if (xmlStrEqual(doc->URL, ctxt->urlTab[i]))
+ return;
+ }
+ */
+
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "Recursing in doc %s\n", doc->URL);
+#endif
+ /*
+ * Handle recursion here.
+ */
+
+ newctxt = xmlXIncludeNewContext(doc);
+ if (newctxt != NULL) {
+ /*
+ * Copy the existing document set
+ */
+ newctxt->incMax = ctxt->incMax;
+ newctxt->incNr = ctxt->incNr;
+ newctxt->incTab = (xmlXIncludeRefPtr *) xmlMalloc(newctxt->incMax *
+ sizeof(newctxt->incTab[0]));
+ if (newctxt->incTab == NULL) {
+ xmlXIncludeErrMemory(ctxt, (xmlNodePtr) doc, "processing doc");
+ xmlFree(newctxt);
+ return;
+ }
+ /*
+ * copy the urlTab
+ */
+ newctxt->urlMax = ctxt->urlMax;
+ newctxt->urlNr = ctxt->urlNr;
+ newctxt->urlTab = ctxt->urlTab;
+
+ /*
+ * Inherit the documents already in use by other includes
+ */
+ newctxt->incBase = ctxt->incNr;
+ for (i = 0;i < ctxt->incNr;i++) {
+ newctxt->incTab[i] = ctxt->incTab[i];
+ newctxt->incTab[i]->count++; /* prevent the recursion from
+ freeing it */
+ }
+ /*
+ * The new context should also inherit the Parse Flags
+ * (bug 132597)
+ */
+ newctxt->parseFlags = ctxt->parseFlags;
+ xmlXIncludeDoProcess(newctxt, doc, xmlDocGetRootElement(doc));
+ for (i = 0;i < ctxt->incNr;i++) {
+ newctxt->incTab[i]->count--;
+ newctxt->incTab[i] = NULL;
+ }
+
+ /* urlTab may have been reallocated */
+ ctxt->urlTab = newctxt->urlTab;
+ ctxt->urlMax = newctxt->urlMax;
+
+ newctxt->urlMax = 0;
+ newctxt->urlNr = 0;
+ newctxt->urlTab = NULL;
+
+ xmlXIncludeFreeContext(newctxt);
+ }
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "Done recursing in doc %s\n", url);
+#endif
+}
+
+/**
+ * xmlXIncludeAddTxt:
+ * @ctxt: the XInclude context
+ * @txt: the new text node
+ * @url: the associated URL
+ *
+ * Add a new txtument to the list
+ */
+static void
+xmlXIncludeAddTxt(xmlXIncludeCtxtPtr ctxt, xmlNodePtr txt, const xmlURL url)
+{
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "Adding text %s\n", url);
+#endif
+ if (ctxt->txtMax == 0) {
+ // TODO: use some constant for 4's below
+ ctxt->txtMax = 0;
+ ctxt->txtTab = (xmlNodePtr*) xmlMalloc(4 * sizeof(ctxt->txtTab[0]));
+ if (ctxt->txtTab)
+ goto OOM_exit;
+ ctxt->txturlTab = (xmlURL *) xmlMalloc(4 * sizeof(ctxt->txturlTab[0]));
+ if (!ctxt->txturlTab) {
+ if(ctxt->txtTab)
+ xmlFree(ctxt->txtTab);
+OOM_exit:
+ xmlXIncludeErrMemory(ctxt, NULL, "processing text");
+ return;
+ }
+ ctxt->txtMax = 4; // both arrays were allocated
+ }
+ if (ctxt->txtNr >= ctxt->txtMax) {
+ xmlNodePtr* tmpNodes;
+ xmlURL* tmpURL;
+ ctxt->txtMax *= 2; // TODO: problem in OOM: should we make complete recovery?
+ tmpNodes = (xmlNodePtr*) xmlRealloc(ctxt->txtTab, // DONE: Fix xmlRealloc
+ ctxt->txtMax * sizeof(ctxt->txtTab[0]));
+ if (!tmpNodes)
+ goto OOM_exit;
+ ctxt->txtTab = tmpNodes;
+
+ tmpURL = (xmlURL*) xmlRealloc(ctxt->txturlTab, // DONE: Fix xmlRealloc
+ ctxt->txtMax * sizeof(ctxt->txturlTab[0]));
+ if (!tmpURL)
+ goto OOM_exit;
+ ctxt->txturlTab = tmpURL;
+ }
+ ctxt->txtTab[ctxt->txtNr] = txt;
+ ctxt->txturlTab[ctxt->txtNr] = xmlStrdup(url);
+ ctxt->txtNr++;
+}
+
+/************************************************************************
+ * *
+ * Node copy with specific semantic *
+ * *
+ ************************************************************************/
+
+/**
+ * xmlXIncludeCopyNode:
+ * @ctxt: the XInclude context
+ * @target: the document target
+ * @source: the document source
+ * @elem: the element
+ *
+ * Make a copy of the node while preserving the XInclude semantic
+ * of the Infoset copy
+ */
+static xmlNodePtr
+xmlXIncludeCopyNode(xmlXIncludeCtxtPtr ctxt, xmlDocPtr target,
+ xmlDocPtr source, xmlNodePtr elem) {
+ xmlNodePtr result = NULL;
+
+ if ((ctxt == NULL) || (target == NULL) || (source == NULL) ||
+ (elem == NULL))
+ return(NULL);
+ if (elem->type == XML_DTD_NODE)
+ return(NULL);
+ result = xmlDocCopyNode(elem, target, 1);
+ return(result);
+}
+
+/**
+ * xmlXIncludeCopyNodeList:
+ * @ctxt: the XInclude context
+ * @target: the document target
+ * @source: the document source
+ * @elem: the element list
+ *
+ * Make a copy of the node list while preserving the XInclude semantic
+ * of the Infoset copy
+ */
+static xmlNodePtr
+xmlXIncludeCopyNodeList(xmlXIncludeCtxtPtr ctxt, xmlDocPtr target,
+ xmlDocPtr source, xmlNodePtr elem) {
+ xmlNodePtr cur, res, result = NULL, last = NULL;
+
+ if ((ctxt == NULL) || (target == NULL) || (source == NULL) ||
+ (elem == NULL))
+ return(NULL);
+ cur = elem;
+ while (cur != NULL) {
+ res = xmlXIncludeCopyNode(ctxt, target, source, cur);
+ if (res != NULL) {
+ if (result == NULL) {
+ result = last = res;
+ } else {
+ last->next = res;
+ res->prev = last;
+ last = res;
+ }
+ }
+ cur = cur->next;
+ }
+ return(result);
+}
+
+/**
+ * xmlXIncludeGetNthChild:
+ * @cur: the node
+ * @no: the child number
+ *
+ * Returns the @n'th element child of @cur or NULL
+ */
+static xmlNodePtr
+xmlXIncludeGetNthChild(xmlNodePtr cur, int no) {
+ int i;
+ if (cur == NULL)
+ return(cur);
+ cur = cur->children;
+ for (i = 0;i <= no;cur = cur->next) {
+ if (cur == NULL)
+ return(cur);
+ if ((cur->type == XML_ELEMENT_NODE) ||
+ (cur->type == XML_DOCUMENT_NODE) ||
+ (cur->type == XML_HTML_DOCUMENT_NODE)) {
+ i++;
+ if (i == no)
+ break;
+ }
+ }
+ return(cur);
+}
+
+xmlNodePtr xmlXPtrAdvanceNode(xmlNodePtr cur, int *level); /* in xpointer.c */
+/**
+ * xmlXIncludeCopyRange:
+ * @ctxt: the XInclude context
+ * @target: the document target
+ * @source: the document source
+ * @obj: the XPointer result from the evaluation.
+ *
+ * Build a node list tree copy of the XPointer result.
+ *
+ * Returns an xmlNodePtr list or NULL.
+ * The caller has to free the node tree.
+ */
+static xmlNodePtr
+xmlXIncludeCopyRange(xmlXIncludeCtxtPtr ctxt, xmlDocPtr target,
+ xmlDocPtr source, xmlXPathObjectPtr range) {
+ /* pointers to generated nodes */
+ xmlNodePtr list = NULL, last = NULL, listParent = NULL;
+ xmlNodePtr tmp, tmp2;
+ /* pointers to traversal nodes */
+ xmlNodePtr start, cur, end;
+ int index1, index2;
+ int level = 0, lastLevel = 0, endLevel = 0, endFlag = 0;
+
+ if ((ctxt == NULL) || (target == NULL) || (source == NULL) ||
+ (range == NULL))
+ return(NULL);
+ if (range->type != XPATH_RANGE)
+ return(NULL);
+ start = (xmlNodePtr) range->user;
+
+ if (start == NULL)
+ return(NULL);
+ end = range->user2;
+ if (end == NULL)
+ return(xmlDocCopyNode(start, target, 1));
+
+ cur = start;
+ index1 = range->index;
+ index2 = range->index2;
+ /*
+ * level is depth of the current node under consideration
+ * list is the pointer to the root of the output tree
+ * listParent is a pointer to the parent of output tree (within
+ the included file) in case we need to add another level
+ * last is a pointer to the last node added to the output tree
+ * lastLevel is the depth of last (relative to the root)
+ */
+ while (cur != NULL) {
+ /*
+ * Check if our output tree needs a parent
+ */
+ if (level < 0) {
+ while (level < 0) {
+ /* copy must include namespaces and properties */
+ tmp2 = xmlDocCopyNode(listParent, target, 2);
+ xmlAddChild(tmp2, list);
+ list = tmp2;
+ listParent = listParent->parent;
+ level++;
+ }
+ last = list;
+ lastLevel = 0;
+ }
+ /*
+ * Check whether we need to change our insertion point
+ */
+ while (level < lastLevel) {
+ last = last->parent;
+ lastLevel --;
+ }
+ if (cur == end) { /* Are we at the end of the range? */
+ if (cur->type == XML_TEXT_NODE) {
+ const xmlChar *content = cur->content;
+ int len;
+
+ if (content == NULL) {
+ tmp = xmlNewTextLen(NULL, 0);
+ } else {
+ len = index2;
+ if ((cur == start) && (index1 > 1)) {
+ content += (index1 - 1);
+ len -= (index1 - 1);
+ index1 = 0;
+ } else {
+ len = index2;
+ }
+ tmp = xmlNewTextLen(content, len);
+ }
+ /* single sub text node selection */
+ if (list == NULL)
+ return(tmp);
+ /* prune and return full set */
+ if (level == lastLevel)
+ xmlAddNextSibling(last, tmp);
+ else
+ xmlAddChild(last, tmp);
+ return(list);
+ } else { /* ending node not a text node */
+ endLevel = level; /* remember the level of the end node */
+ endFlag = 1;
+ /* last node - need to take care of properties + namespaces */
+ tmp = xmlDocCopyNode(cur, target, 2);
+ if (list == NULL) {
+ list = tmp;
+ listParent = cur->parent;
+ } else {
+ if (level == lastLevel)
+ xmlAddNextSibling(last, tmp);
+ else {
+ xmlAddChild(last, tmp);
+ lastLevel = level;
+ }
+ }
+ last = tmp;
+
+ if (index2 > 1) {
+ end = xmlXIncludeGetNthChild(cur, index2 - 1);
+ index2 = 0;
+ }
+ if ((cur == start) && (index1 > 1)) {
+ cur = xmlXIncludeGetNthChild(cur, index1 - 1);
+ index1 = 0;
+ } else {
+ cur = cur->children;
+ }
+ level++; /* increment level to show change */
+ /*
+ * Now gather the remaining nodes from cur to end
+ */
+ continue; /* while */
+ }
+ } else if (cur == start) { /* Not at the end, are we at start? */
+ if ((cur->type == XML_TEXT_NODE) ||
+ (cur->type == XML_CDATA_SECTION_NODE)) {
+ const xmlChar *content = cur->content;
+
+ if (content == NULL) {
+ tmp = xmlNewTextLen(NULL, 0);
+ } else {
+ if (index1 > 1) {
+ content += (index1 - 1);
+ index1 = 0;
+ }
+ tmp = xmlNewText(content);
+ }
+ last = list = tmp;
+ listParent = cur->parent;
+ } else { /* Not text node */
+ /*
+ * start of the range - need to take care of
+ * properties and namespaces
+ */
+ tmp = xmlDocCopyNode(cur, target, 2);
+ list = last = tmp;
+ listParent = cur->parent;
+ if (index1 > 1) { /* Do we need to position? */
+ cur = xmlXIncludeGetNthChild(cur, index1 - 1);
+ level = lastLevel = 1;
+ index1 = 0;
+ /*
+ * Now gather the remaining nodes from cur to end
+ */
+ continue; /* while */
+ }
+ }
+ } else {
+ tmp = NULL;
+ switch (cur->type) {
+ case XML_DTD_NODE:
+ case XML_ELEMENT_DECL:
+ case XML_ATTRIBUTE_DECL:
+ case XML_ENTITY_NODE:
+ /* Do not copy DTD informations */
+ break;
+ case XML_ENTITY_DECL:
+ /* handle crossing entities -> stack needed */
+ break;
+ case XML_XINCLUDE_START:
+ case XML_XINCLUDE_END:
+ /* don't consider it part of the tree content */
+ break;
+ case XML_ATTRIBUTE_NODE:
+ /* Humm, should not happen ! */
+ break;
+ default:
+ /*
+ * Middle of the range - need to take care of
+ * properties and namespaces
+ */
+ tmp = xmlDocCopyNode(cur, target, 2);
+ break;
+ }
+ if (tmp != NULL) {
+ if (level == lastLevel)
+ xmlAddNextSibling(last, tmp);
+ else {
+ xmlAddChild(last, tmp);
+ lastLevel = level;
+ }
+ last = tmp;
+ }
+ }
+ /*
+ * Skip to next node in document order
+ */
+ cur = xmlXPtrAdvanceNode(cur, &level);
+ if (endFlag && (level >= endLevel))
+ break;
+ }
+ return(list);
+}
+
+/**
+ * xmlXIncludeBuildNodeList:
+ * @ctxt: the XInclude context
+ * @target: the document target
+ * @source: the document source
+ * @obj: the XPointer result from the evaluation.
+ *
+ * Build a node list tree copy of the XPointer result.
+ * This will drop Attributes and Namespace declarations.
+ *
+ * Returns an xmlNodePtr list or NULL.
+ * the caller has to free the node tree.
+ */
+static xmlNodePtr
+xmlXIncludeCopyXPointer(xmlXIncludeCtxtPtr ctxt, xmlDocPtr target,
+ xmlDocPtr source, xmlXPathObjectPtr obj) {
+ xmlNodePtr list = NULL, last = NULL;
+ int i;
+
+ if (source == NULL)
+ source = ctxt->doc;
+ if ((ctxt == NULL) || (target == NULL) || (source == NULL) ||
+ (obj == NULL))
+ return(NULL);
+ switch (obj->type) {
+ case XPATH_NODESET: {
+ xmlNodeSetPtr set = obj->nodesetval;
+ if (set == NULL)
+ return(NULL);
+ for (i = 0;i < set->nodeNr;i++) {
+ if (set->nodeTab[i] == NULL)
+ continue;
+ switch (set->nodeTab[i]->type) {
+ case XML_TEXT_NODE:
+ case XML_CDATA_SECTION_NODE:
+ case XML_ELEMENT_NODE:
+ case XML_ENTITY_REF_NODE:
+ case XML_ENTITY_NODE:
+ case XML_PI_NODE:
+ case XML_COMMENT_NODE:
+ case XML_DOCUMENT_NODE:
+ case XML_HTML_DOCUMENT_NODE:
+#ifdef LIBXML_DOCB_ENABLED
+ case XML_DOCB_DOCUMENT_NODE:
+#endif
+ case XML_XINCLUDE_END:
+ break;
+ case XML_XINCLUDE_START: {
+ xmlNodePtr tmp, cur = set->nodeTab[i];
+
+ cur = cur->next;
+ while (cur != NULL) {
+ switch(cur->type) {
+ case XML_TEXT_NODE:
+ case XML_CDATA_SECTION_NODE:
+ case XML_ELEMENT_NODE:
+ case XML_ENTITY_REF_NODE:
+ case XML_ENTITY_NODE:
+ case XML_PI_NODE:
+ case XML_COMMENT_NODE:
+ tmp = xmlXIncludeCopyNode(ctxt, target,
+ source, cur);
+ if (last == NULL) {
+ list = last = tmp;
+ } else {
+ xmlAddNextSibling(last, tmp);
+ last = tmp;
+ }
+ cur = cur->next;
+ continue;
+ default:
+ break;
+ }
+ break;
+ }
+ continue;
+ }
+ case XML_ATTRIBUTE_NODE:
+ case XML_NAMESPACE_DECL:
+ case XML_DOCUMENT_TYPE_NODE:
+ case XML_DOCUMENT_FRAG_NODE:
+ case XML_NOTATION_NODE:
+ case XML_DTD_NODE:
+ case XML_ELEMENT_DECL:
+ case XML_ATTRIBUTE_DECL:
+ case XML_ENTITY_DECL:
+ continue; /* for */
+ }
+ if (last == NULL)
+ list = last = xmlXIncludeCopyNode(ctxt, target, source,
+ set->nodeTab[i]);
+ else {
+ xmlAddNextSibling(last,
+ xmlXIncludeCopyNode(ctxt, target, source,
+ set->nodeTab[i]));
+ if (last->next != NULL)
+ last = last->next;
+ }
+ }
+ break;
+ }
+ case XPATH_LOCATIONSET: {
+ xmlLocationSetPtr set = (xmlLocationSetPtr) obj->user;
+ if (set == NULL)
+ return(NULL);
+ for (i = 0;i < set->locNr;i++) {
+ if (last == NULL)
+ list = last = xmlXIncludeCopyXPointer(ctxt, target, source,
+ set->locTab[i]);
+ else
+ xmlAddNextSibling(last,
+ xmlXIncludeCopyXPointer(ctxt, target, source,
+ set->locTab[i]));
+ if (last != NULL) {
+ while (last->next != NULL)
+ last = last->next;
+ }
+ }
+ break;
+ }
+#ifdef LIBXML_XPTR_ENABLED
+ case XPATH_RANGE:
+ return(xmlXIncludeCopyRange(ctxt, target, source, obj));
+#endif
+ case XPATH_POINT:
+ /* points are ignored in XInclude */
+ break;
+ default:
+ break;
+ }
+ return(list);
+}
+/************************************************************************
+ * *
+ * XInclude I/O handling *
+ * *
+ ************************************************************************/
+
+typedef struct _xmlXIncludeMergeData xmlXIncludeMergeData;
+typedef xmlXIncludeMergeData *xmlXIncludeMergeDataPtr;
+struct _xmlXIncludeMergeData {
+ xmlDocPtr doc;
+ xmlXIncludeCtxtPtr ctxt;
+};
+
+/**
+ * xmlXIncludeMergeOneEntity:
+ * @ent: the entity
+ * @doc: the including doc
+ * @nr: the entity name
+ *
+ * Inplements the merge of one entity
+ */
+static void
+xmlXIncludeMergeEntity(xmlEntityPtr ent, xmlXIncludeMergeDataPtr data,
+ xmlChar *name ATTRIBUTE_UNUSED) {
+ xmlEntityPtr ret, prev;
+ xmlDocPtr doc;
+ xmlXIncludeCtxtPtr ctxt;
+
+ if ((ent == NULL) || (data == NULL))
+ return;
+ ctxt = data->ctxt;
+ doc = data->doc;
+ if ((ctxt == NULL) || (doc == NULL))
+ return;
+ switch (ent->etype) {
+ case XML_INTERNAL_PARAMETER_ENTITY:
+ case XML_EXTERNAL_PARAMETER_ENTITY:
+ case XML_INTERNAL_PREDEFINED_ENTITY:
+ return;
+ case XML_INTERNAL_GENERAL_ENTITY:
+ case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
+ case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
+ break;
+ }
+ ret = xmlAddDocEntity(doc, ent->name, ent->etype, ent->ExternalID,
+ ent->SystemID, ent->content);
+ if (ret != NULL) {
+ if (ent->URI != NULL)
+ ret->URI = xmlStrdup(ent->URI);
+ } else {
+ prev = xmlGetDocEntity(doc, ent->name);
+ if (prev != NULL) {
+ if (ent->etype != prev->etype)
+ goto error;
+
+ if ((ent->SystemID != NULL) && (prev->SystemID != NULL)) {
+ if (!xmlStrEqual(ent->SystemID, prev->SystemID))
+ goto error;
+ } else if ((ent->ExternalID != NULL) &&
+ (prev->ExternalID != NULL)) {
+ if (!xmlStrEqual(ent->ExternalID, prev->ExternalID))
+ goto error;
+ } else if ((ent->content != NULL) && (prev->content != NULL)) {
+ if (!xmlStrEqual(ent->content, prev->content))
+ goto error;
+ } else {
+ goto error;
+ }
+
+ }
+ }
+ return;
+error:
+ switch (ent->etype) {
+ case XML_INTERNAL_PARAMETER_ENTITY:
+ case XML_EXTERNAL_PARAMETER_ENTITY:
+ case XML_INTERNAL_PREDEFINED_ENTITY:
+ case XML_INTERNAL_GENERAL_ENTITY:
+ case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
+ return;
+ case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
+ break;
+ }
+ xmlXIncludeErr(ctxt, (xmlNodePtr) ent, XML_XINCLUDE_ENTITY_DEF_MISMATCH,
+ "mismatch in redefinition of entity %s\n",
+ ent->name);
+}
+
+/**
+ * xmlXIncludeMergeEntities:
+ * @ctxt: an XInclude context
+ * @doc: the including doc
+ * @from: the included doc
+ *
+ * Inplements the entity merge
+ *
+ * Returns 0 if merge succeeded, -1 if some processing failed
+ */
+static int
+xmlXIncludeMergeEntities(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc,
+ xmlDocPtr from) {
+ xmlNodePtr cur;
+ xmlDtdPtr target, source;
+
+ if (ctxt == NULL)
+ return(-1);
+
+ if ((from == NULL) || (from->intSubset == NULL))
+ return(0);
+
+ target = doc->intSubset;
+ if (target == NULL) {
+ cur = xmlDocGetRootElement(doc);
+ if (cur == NULL)
+ return(-1);
+ target = xmlCreateIntSubset(doc, cur->name, NULL, NULL);
+ if (target == NULL)
+ return(-1);
+ }
+
+ source = from->intSubset;
+ if ((source != NULL) && (source->entities != NULL)) {
+ xmlXIncludeMergeData data;
+
+ data.ctxt = ctxt;
+ data.doc = doc;
+
+ xmlHashScan((xmlHashTablePtr) source->entities,
+ (xmlHashScanner) xmlXIncludeMergeEntity, &data);
+ }
+ source = from->extSubset;
+ if ((source != NULL) && (source->entities != NULL)) {
+ xmlXIncludeMergeData data;
+
+ data.ctxt = ctxt;
+ data.doc = doc;
+
+ /*
+ * don't duplicate existing stuff when external subsets are the same
+ */
+ if ((!xmlStrEqual(target->ExternalID, source->ExternalID)) &&
+ (!xmlStrEqual(target->SystemID, source->SystemID))) {
+ xmlHashScan((xmlHashTablePtr) source->entities,
+ (xmlHashScanner) xmlXIncludeMergeEntity, &data);
+ }
+ }
+ return(0);
+}
+
+/**
+ * xmlXIncludeLoadDoc:
+ * @ctxt: the XInclude context
+ * @url: the associated URL
+ * @nr: the xinclude node number
+ *
+ * Load the document, and store the result in the XInclude context
+ *
+ * Returns 0 in case of success, -1 in case of failure
+ */
+static int
+xmlXIncludeLoadDoc(xmlXIncludeCtxtPtr ctxt, const xmlChar *url, int nr) {
+ xmlDocPtr doc;
+ xmlURIPtr uri;
+ xmlChar *URL;
+ xmlChar *fragment = NULL;
+ int i = 0;
+#ifdef LIBXML_XPTR_ENABLED
+ int saveFlags;
+#endif
+
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "Loading doc %s:%d\n", url, nr);
+#endif
+ /*
+ * Check the URL and remove any fragment identifier
+ */
+ uri = xmlParseURI((const char *)url);
+ if (uri == NULL) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_HREF_URI,
+ "invalid value URI %s\n", url);
+ return(-1);
+ }
+ if (uri->fragment != NULL) {
+ fragment = (xmlChar *) uri->fragment;
+ uri->fragment = NULL;
+ }
+ if ((ctxt->incTab != NULL) && (ctxt->incTab[nr] != NULL) &&
+ (ctxt->incTab[nr]->fragment != NULL)) {
+ if (fragment != NULL) xmlFree(fragment);
+ fragment = xmlStrdup(ctxt->incTab[nr]->fragment);
+ }
+ URL = xmlSaveUri(uri);
+ xmlFreeURI(uri);
+ if (URL == NULL) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_HREF_URI,
+ "invalid value URI %s\n", url);
+ if (fragment != NULL)
+ xmlFree(fragment);
+ return(-1);
+ }
+
+ /*
+ * Handling of references to the local document are done
+ * directly through ctxt->doc.
+ */
+ if ((URL[0] == 0) || (URL[0] == '#') ||
+ ((ctxt->doc != NULL) && (xmlStrEqual(URL, ctxt->doc->URL)))) {
+ doc = NULL;
+ goto loaded;
+ }
+
+ /*
+ * Prevent reloading twice the document.
+ */
+ for (i = 0; i < ctxt->incNr; i++) {
+ if ((xmlStrEqual(URL, ctxt->incTab[i]->URI)) &&
+ (ctxt->incTab[i]->doc != NULL)) {
+ doc = ctxt->incTab[i]->doc;
+#ifdef DEBUG_XINCLUDE
+ printf("Already loaded %s\n", URL);
+#endif
+ goto loaded;
+ }
+ }
+
+ /*
+ * Load it.
+ */
+#ifdef DEBUG_XINCLUDE
+ printf("loading %s\n", URL);
+#endif
+#ifdef LIBXML_XPTR_ENABLED
+ /*
+ * If this is an XPointer evaluation, we want to assure that
+ * all entities have been resolved prior to processing the
+ * referenced document
+ */
+ saveFlags = ctxt->parseFlags;
+ if (fragment != NULL) { /* if this is an XPointer eval */
+ ctxt->parseFlags |= XML_PARSE_NOENT;
+ }
+#endif
+
+ doc = xmlXIncludeParseFile(ctxt, (const char *)URL);
+#ifdef LIBXML_XPTR_ENABLED
+ ctxt->parseFlags = saveFlags;
+#endif
+ if (doc == NULL) {
+ xmlFree(URL);
+ if (fragment != NULL)
+ xmlFree(fragment);
+ return(-1);
+ }
+ ctxt->incTab[nr]->doc = doc;
+ for (i = nr + 1; i < ctxt->incNr; i++) {
+ if (xmlStrEqual(URL, ctxt->incTab[i]->URI)) {
+ ctxt->incTab[nr]->count++;
+#ifdef DEBUG_XINCLUDE
+ printf("Increasing %s count since reused\n", URL);
+#endif
+ break;
+ }
+ }
+
+ /*
+ * Make sure we have all entities fixed up
+ */
+ xmlXIncludeMergeEntities(ctxt, ctxt->doc, doc);
+
+ /*
+ * We don't need the DTD anymore, free up space
+ if (doc->intSubset != NULL) {
+ xmlUnlinkNode((xmlNodePtr) doc->intSubset);
+ xmlFreeNode((xmlNodePtr) doc->intSubset);
+ doc->intSubset = NULL;
+ }
+ if (doc->extSubset != NULL) {
+ xmlUnlinkNode((xmlNodePtr) doc->extSubset);
+ xmlFreeNode((xmlNodePtr) doc->extSubset);
+ doc->extSubset = NULL;
+ }
+ */
+ xmlXIncludeRecurseDoc(ctxt, doc, URL);
+
+loaded:
+ if (fragment == NULL) {
+ /*
+ * Add the top children list as the replacement copy.
+ */
+ if (doc == NULL)
+ {
+ /* Hopefully a DTD declaration won't be copied from
+ * the same document */
+ ctxt->incTab[nr]->inc = xmlCopyNodeList(ctxt->doc->children);
+ } else {
+ ctxt->incTab[nr]->inc = xmlXIncludeCopyNodeList(ctxt, ctxt->doc,
+ doc, doc->children);
+ }
+ }
+#ifdef LIBXML_XPTR_ENABLED
+ else {
+ /*
+ * Computes the XPointer expression and make a copy used
+ * as the replacement copy.
+ */
+ xmlXPathObjectPtr xptr;
+ xmlXPathContextPtr xptrctxt;
+ xmlNodeSetPtr set;
+
+ if (doc == NULL) {
+ xptrctxt = xmlXPtrNewContext(ctxt->doc, ctxt->incTab[nr]->ref,
+ NULL);
+ } else {
+ xptrctxt = xmlXPtrNewContext(doc, NULL, NULL);
+ }
+ if (xptrctxt == NULL) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_XPTR_FAILED,
+ "could not create XPointer context\n", NULL);
+ xmlFree(URL);
+ xmlFree(fragment);
+ return(-1);
+ }
+ xptr = xmlXPtrEval(fragment, xptrctxt);
+ if (xptr == NULL) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_XPTR_FAILED,
+ "XPointer evaluation failed: #%s\n",
+ fragment);
+ xmlXPathFreeContext(xptrctxt);
+ xmlFree(URL);
+ xmlFree(fragment);
+ return(-1);
+ }
+ switch (xptr->type) {
+ case XPATH_UNDEFINED:
+ case XPATH_BOOLEAN:
+ case XPATH_NUMBER:
+ case XPATH_STRING:
+ case XPATH_POINT:
+ case XPATH_USERS:
+ case XPATH_XSLT_TREE:
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_XPTR_RESULT,
+ "XPointer is not a range: #%s\n",
+ fragment);
+ xmlXPathFreeContext(xptrctxt);
+ xmlFree(URL);
+ xmlFree(fragment);
+ return(-1);
+ case XPATH_NODESET:
+ if ((xptr->nodesetval == NULL) ||
+ (xptr->nodesetval->nodeNr <= 0)) {
+ xmlXPathFreeContext(xptrctxt);
+ xmlFree(URL);
+ xmlFree(fragment);
+ return(-1);
+ }
+ case XPATH_RANGE:
+ case XPATH_LOCATIONSET:
+ break;
+ }
+ set = xptr->nodesetval;
+ if (set != NULL) {
+ for (i = 0;i < set->nodeNr;i++) {
+ if (set->nodeTab[i] == NULL)
+ continue;
+ switch (set->nodeTab[i]->type) {
+ case XML_TEXT_NODE:
+ case XML_CDATA_SECTION_NODE:
+ case XML_ELEMENT_NODE:
+ case XML_ENTITY_REF_NODE:
+ case XML_ENTITY_NODE:
+ case XML_PI_NODE:
+ case XML_COMMENT_NODE:
+ case XML_DOCUMENT_NODE:
+ case XML_HTML_DOCUMENT_NODE:
+#ifdef LIBXML_DOCB_ENABLED
+ case XML_DOCB_DOCUMENT_NODE:
+#endif
+ continue;
+ case XML_ATTRIBUTE_NODE:
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_XPTR_RESULT,
+ "XPointer selects an attribute: #%s\n",
+ fragment);
+ set->nodeTab[i] = NULL;
+ continue;
+ case XML_NAMESPACE_DECL:
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_XPTR_RESULT,
+ "XPointer selects a namespace: #%s\n",
+ fragment);
+ set->nodeTab[i] = NULL;
+ continue;
+ case XML_DOCUMENT_TYPE_NODE:
+ case XML_DOCUMENT_FRAG_NODE:
+ case XML_NOTATION_NODE:
+ case XML_DTD_NODE:
+ case XML_ELEMENT_DECL:
+ case XML_ATTRIBUTE_DECL:
+ case XML_ENTITY_DECL:
+ case XML_XINCLUDE_START:
+ case XML_XINCLUDE_END:
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_XPTR_RESULT,
+ "XPointer selects unexpected nodes: #%s\n",
+ fragment);
+ set->nodeTab[i] = NULL;
+ set->nodeTab[i] = NULL;
+ continue; /* for */
+ }
+ }
+ }
+ if (doc == NULL) {
+ ctxt->incTab[nr]->xptr = xptr;
+ ctxt->incTab[nr]->inc = NULL;
+ } else {
+ ctxt->incTab[nr]->inc =
+ xmlXIncludeCopyXPointer(ctxt, ctxt->doc, doc, xptr);
+ xmlXPathFreeObject(xptr);
+ }
+ xmlXPathFreeContext(xptrctxt);
+ xmlFree(fragment);
+ }
+#endif
+
+ /*
+ * Do the xml:base fixup if needed
+ */
+ if ((doc != NULL) && (URL != NULL) && (xmlStrchr(URL, (xmlChar) '/'))) {
+ xmlNodePtr node;
+
+ node = ctxt->incTab[nr]->inc;
+ while (node != NULL) {
+ if (node->type == XML_ELEMENT_NODE)
+ xmlNodeSetBase(node, URL);
+ node = node->next;
+ }
+ }
+ if ((nr < ctxt->incNr) && (ctxt->incTab[nr]->doc != NULL) &&
+ (ctxt->incTab[nr]->count <= 1)) {
+#ifdef DEBUG_XINCLUDE
+ printf("freeing %s\n", ctxt->incTab[nr]->doc->URL);
+#endif
+ xmlFreeDoc(ctxt->incTab[nr]->doc);
+ ctxt->incTab[nr]->doc = NULL;
+ }
+ xmlFree(URL);
+ return(0);
+}
+
+/**
+ * xmlXIncludeLoadTxt:
+ * @ctxt: the XInclude context
+ * @url: the associated URL
+ * @nr: the xinclude node number
+ *
+ * Load the content, and store the result in the XInclude context
+ *
+ * Returns 0 in case of success, -1 in case of failure
+ */
+static int
+xmlXIncludeLoadTxt(xmlXIncludeCtxtPtr ctxt, const xmlChar *url, int nr) {
+ xmlParserInputBufferPtr buf;
+ xmlNodePtr node;
+ xmlURIPtr uri;
+ xmlChar *URL;
+ int i;
+ xmlChar *encoding = NULL;
+ xmlCharEncoding enc = (xmlCharEncoding) 0;
+
+ /*
+ * Check the URL and remove any fragment identifier
+ */
+ uri = xmlParseURI((const char *)url);
+ if (uri == NULL) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, XML_XINCLUDE_HREF_URI,
+ "invalid value URI %s\n", url);
+ return(-1);
+ }
+ if (uri->fragment != NULL) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, XML_XINCLUDE_TEXT_FRAGMENT,
+ "fragment identifier forbidden for text: %s\n",
+ (const xmlChar *) uri->fragment);
+ xmlFreeURI(uri);
+ return(-1);
+ }
+ URL = xmlSaveUri(uri);
+ xmlFreeURI(uri);
+ if (URL == NULL) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, XML_XINCLUDE_HREF_URI,
+ "invalid value URI %s\n", url);
+ return(-1);
+ }
+
+ /*
+ * Handling of references to the local document are done
+ * directly through ctxt->doc.
+ */
+ if (URL[0] == 0) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_TEXT_DOCUMENT,
+ "text serialization of document not available\n", NULL);
+ xmlFree(URL);
+ return(-1);
+ }
+
+ /*
+ * Prevent reloading twice the document.
+ */
+ for (i = 0; i < ctxt->txtNr; i++) {
+ if (xmlStrEqual(URL, ctxt->txturlTab[i])) {
+ node = xmlCopyNode(ctxt->txtTab[i], 1);
+ goto loaded;
+ }
+ }
+ /*
+ * Try to get the encoding if available
+ */
+ if ((ctxt->incTab[nr] != NULL) && (ctxt->incTab[nr]->ref != NULL)) {
+ encoding = xmlGetProp(ctxt->incTab[nr]->ref, XINCLUDE_PARSE_ENCODING);
+ }
+ if (encoding != NULL) {
+ /*
+ * TODO: we should not have to remap to the xmlCharEncoding
+ * predefined set, a better interface than
+ * xmlParserInputBufferCreateFilename should allow any
+ * encoding supported by iconv
+ */
+ enc = xmlParseCharEncoding((const char *) encoding);
+ if (enc == XML_CHAR_ENCODING_ERROR) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_UNKNOWN_ENCODING,
+ "encoding %s not supported\n", encoding);
+ xmlFree(encoding);
+ xmlFree(URL);
+ return(-1);
+ }
+ xmlFree(encoding);
+ }
+
+ /*
+ * Load it.
+ */
+ buf = xmlParserInputBufferCreateFilename((const char *)URL, enc);
+ if (buf == NULL) {
+ xmlFree(URL);
+ return(-1);
+ }
+ node = xmlNewText(NULL);
+
+ /*
+ * Scan all chars from the resource and add the to the node
+ */
+ while (xmlParserInputBufferRead(buf, 128) > 0) {
+ int len;
+ const xmlChar *content;
+
+ content = xmlBufferContent(buf->buffer);
+ len = xmlBufferLength(buf->buffer);
+ for (i = 0;i < len;) {
+ int cur;
+ int l;
+
+ cur = xmlStringCurrentChar(NULL, &content[i], &l);
+ if (!IS_CHAR(cur)) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_INVALID_CHAR,
+ "%s contains invalid char\n", URL);
+ } else {
+ xmlNodeAddContentLen(node, &content[i], l);
+ }
+ i += l;
+ }
+ xmlBufferShrink(buf->buffer, len);
+ }
+ xmlFreeParserInputBuffer(buf);
+ xmlXIncludeAddTxt(ctxt, node, URL);
+
+loaded:
+ /*
+ * Add the element as the replacement copy.
+ */
+ ctxt->incTab[nr]->inc = node;
+ xmlFree(URL);
+ return(0);
+}
+
+/**
+ * xmlXIncludeLoadFallback:
+ * @ctxt: the XInclude context
+ * @fallback: the fallback node
+ * @nr: the xinclude node number
+ *
+ * Load the content of the fallback node, and store the result
+ * in the XInclude context
+ *
+ * Returns 0 in case of success, -1 in case of failure
+ */
+static int
+xmlXIncludeLoadFallback(xmlXIncludeCtxtPtr ctxt, xmlNodePtr fallback, int nr) {
+ xmlXIncludeCtxtPtr newctxt;
+ int ret = 0;
+
+ if ((fallback == NULL) || (ctxt == NULL))
+ return(-1);
+ if (fallback->children != NULL) {
+ /*
+ * It's possible that the fallback also has 'includes'
+ * (Bug 129969), so we re-process the fallback just in case
+ */
+ newctxt = xmlXIncludeNewContext(ctxt->doc);
+ if (newctxt == NULL)
+ return (-1);
+ xmlXIncludeSetFlags(newctxt, ctxt->parseFlags);
+ ret = xmlXIncludeDoProcess(newctxt, ctxt->doc, fallback->children);
+ if (ctxt->nbErrors > 0)
+ ret = -1;
+ else if (ret > 0)
+ ret = 0; /* xmlXIncludeDoProcess can return +ve number */
+ xmlXIncludeFreeContext(newctxt);
+
+ ctxt->incTab[nr]->inc = xmlCopyNodeList(fallback->children);
+ } else {
+ ctxt->incTab[nr]->inc = NULL;
+ ctxt->incTab[nr]->emptyFb = 1; /* flag empty callback */
+ }
+ return(ret);
+}
+
+/************************************************************************
+ * *
+ * XInclude Processing *
+ * *
+ ************************************************************************/
+
+/**
+ * xmlXIncludePreProcessNode:
+ * @ctxt: an XInclude context
+ * @node: an XInclude node
+ *
+ * Implement the XInclude preprocessing, currently just adding the element
+ * for further processing.
+ *
+ * Returns the result list or NULL in case of error
+ */
+static xmlNodePtr
+xmlXIncludePreProcessNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node) {
+ xmlXIncludeAddNode(ctxt, node);
+ return(0);
+}
+
+/**
+ * xmlXIncludeLoadNode:
+ * @ctxt: an XInclude context
+ * @nr: the node number
+ *
+ * Find and load the infoset replacement for the given node.
+ *
+ * Returns 0 if substitution succeeded, -1 if some processing failed
+ */
+static int
+xmlXIncludeLoadNode(xmlXIncludeCtxtPtr ctxt, int nr) {
+ xmlNodePtr cur;
+ xmlChar *href;
+ xmlChar *parse;
+ xmlChar *base;
+ xmlChar *URI;
+ int xml = 1; /* default Issue 64 */
+ int ret;
+
+ if (ctxt == NULL)
+ return(-1);
+ if ((nr < 0) || (nr >= ctxt->incNr))
+ return(-1);
+ cur = ctxt->incTab[nr]->ref;
+ if (cur == NULL)
+ return(-1);
+
+ /*
+ * read the attributes
+ */
+ href = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_HREF);
+ if (href == NULL) {
+ href = xmlStrdup(BAD_CAST ""); /* @@@@ href is now optional */
+ if (href == NULL)
+ return(-1);
+ }
+ parse = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_PARSE);
+ if (parse != NULL) {
+ if (xmlStrEqual(parse, XINCLUDE_PARSE_XML))
+ xml = 1;
+ else if (xmlStrEqual(parse, XINCLUDE_PARSE_TEXT))
+ xml = 0;
+ else {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_PARSE_VALUE,
+ "invalid value %s for 'parse'\n", parse);
+ if (href != NULL)
+ xmlFree(href);
+ if (parse != NULL)
+ xmlFree(parse);
+ return(-1);
+ }
+ }
+
+ /*
+ * compute the URI
+ */
+ base = xmlNodeGetBase(ctxt->doc, cur);
+ if (base == NULL) {
+ URI = xmlBuildURI(href, ctxt->doc->URL);
+ } else {
+ URI = xmlBuildURI(href, base);
+ }
+ if (URI == NULL) {
+ xmlChar *escbase;
+ xmlChar *eschref;
+ /*
+ * Some escaping may be needed
+ */
+ escbase = xmlURIEscape(base);
+ eschref = xmlURIEscape(href);
+ URI = xmlBuildURI(eschref, escbase);
+ if (escbase != NULL)
+ xmlFree(escbase);
+ if (eschref != NULL)
+ xmlFree(eschref);
+ }
+ if (URI == NULL) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_HREF_URI, "failed build URL\n", NULL);
+ if (parse != NULL)
+ xmlFree(parse);
+ if (href != NULL)
+ xmlFree(href);
+ if (base != NULL)
+ xmlFree(base);
+ return(-1);
+ }
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "parse: %s\n",
+ xml ? "xml": "text");
+ xmlGenericError(xmlGenericErrorContext, "URI: %s\n", URI);
+#endif
+
+ /*
+ * Cleanup
+ */
+ if (xml) {
+ ret = xmlXIncludeLoadDoc(ctxt, URI, nr);
+ /* xmlXIncludeGetFragment(ctxt, cur, URI); */
+ } else {
+ ret = xmlXIncludeLoadTxt(ctxt, URI, nr);
+ }
+ if (ret < 0) {
+ xmlNodePtr children;
+
+ /*
+ * Time to try a fallback if availble
+ */
+#ifdef DEBUG_XINCLUDE
+ xmlGenericError(xmlGenericErrorContext, "error looking for fallback\n");
+#endif
+ children = cur->children;
+ while (children != NULL) {
+ if ((children->type == XML_ELEMENT_NODE) &&
+ (children->ns != NULL) &&
+ (xmlStrEqual(children->name, XINCLUDE_FALLBACK)) &&
+ ((xmlStrEqual(children->ns->href, XINCLUDE_NS)) ||
+ (xmlStrEqual(children->ns->href, XINCLUDE_OLD_NS)))) {
+ ret = xmlXIncludeLoadFallback(ctxt, children, nr);
+ if (ret == 0)
+ break;
+ }
+ children = children->next;
+ }
+ }
+ if (ret < 0) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_NO_FALLBACK,
+ "could not load %s, and no fallback was found\n",
+ URI);
+ }
+
+ /*
+ * Cleanup
+ */
+ if (URI != NULL)
+ xmlFree(URI);
+ if (parse != NULL)
+ xmlFree(parse);
+ if (href != NULL)
+ xmlFree(href);
+ if (base != NULL)
+ xmlFree(base);
+ return(0);
+}
+
+/**
+ * xmlXIncludeIncludeNode:
+ * @ctxt: an XInclude context
+ * @nr: the node number
+ *
+ * Inplement the infoset replacement for the given node
+ *
+ * Returns 0 if substitution succeeded, -1 if some processing failed
+ */
+static int
+xmlXIncludeIncludeNode(xmlXIncludeCtxtPtr ctxt, int nr) {
+ xmlNodePtr cur, end, list, tmp;
+
+ if (ctxt == NULL)
+ return(-1);
+ if ((nr < 0) || (nr >= ctxt->incNr))
+ return(-1);
+ cur = ctxt->incTab[nr]->ref;
+ if (cur == NULL)
+ return(-1);
+
+ /*
+ * If we stored an XPointer a late computation may be needed
+ */
+ if ((ctxt->incTab[nr]->inc == NULL) &&
+ (ctxt->incTab[nr]->xptr != NULL)) {
+ ctxt->incTab[nr]->inc =
+ xmlXIncludeCopyXPointer(ctxt, ctxt->doc, ctxt->doc,
+ ctxt->incTab[nr]->xptr);
+ xmlXPathFreeObject(ctxt->incTab[nr]->xptr);
+ ctxt->incTab[nr]->xptr = NULL;
+ }
+ list = ctxt->incTab[nr]->inc;
+ ctxt->incTab[nr]->inc = NULL;
+
+ /*
+ * Check against the risk of generating a multi-rooted document
+ */
+ if ((cur->parent != NULL) &&
+ (cur->parent->type != XML_ELEMENT_NODE)) {
+ int nb_elem = 0;
+
+ tmp = list;
+ while (tmp != NULL) {
+ if (tmp->type == XML_ELEMENT_NODE)
+ nb_elem++;
+ tmp = tmp->next;
+ }
+ if (nb_elem > 1) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref,
+ XML_XINCLUDE_MULTIPLE_ROOT,
+ "XInclude error: would result in multiple root nodes\n",
+ NULL);
+ return(-1);
+ }
+ }
+
+ /*
+ * Change the current node as an XInclude start one, and add an
+ * entity end one
+ */
+ cur->type = XML_XINCLUDE_START;
+ end = xmlNewNode(cur->ns, cur->name);
+ if (end == NULL) {
+ xmlXIncludeErr(ctxt, ctxt->incTab[nr]->ref, XML_XINCLUDE_BUILD_FAILED,
+ "failed to build node\n", NULL);
+ return(-1);
+ }
+ end->type = XML_XINCLUDE_END;
+ xmlAddNextSibling(cur, end);
+
+ /*
+ * Add the list of nodes
+ */
+ while (list != NULL) {
+ cur = list;
+ list = list->next;
+
+ xmlAddPrevSibling(end, cur);
+ }
+
+
+ return(0);
+}
+
+/**
+ * xmlXIncludeTestNode:
+ * @ctxt: the XInclude processing context
+ * @node: an XInclude node
+ *
+ * test if the node is an XInclude node
+ *
+ * Returns 1 true, 0 otherwise
+ */
+static int
+xmlXIncludeTestNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node) {
+ if (node == NULL)
+ return(0);
+ if (node->type != XML_ELEMENT_NODE)
+ return(0);
+ if (node->ns == NULL)
+ return(0);
+ if ((xmlStrEqual(node->ns->href, XINCLUDE_NS)) ||
+ (xmlStrEqual(node->ns->href, XINCLUDE_OLD_NS))) {
+ if (xmlStrEqual(node->ns->href, XINCLUDE_OLD_NS)) {
+ if (ctxt->legacy == 0) {
+#if 0 /* wait for the XML Core Working Group to get something stable ! */
+ xmlXIncludeWarn(ctxt, node, XML_XINCLUDE_DEPRECATED_NS,
+ "Deprecated XInclude namespace found, use %s",
+ XINCLUDE_NS);
+#endif
+ ctxt->legacy = 1;
+ }
+ }
+ if (xmlStrEqual(node->name, XINCLUDE_NODE)) {
+ xmlNodePtr child = node->children;
+ int nb_fallback = 0;
+
+ while (child != NULL) {
+ if ((child->type == XML_ELEMENT_NODE) &&
+ (child->ns != NULL) &&
+ ((xmlStrEqual(child->ns->href, XINCLUDE_NS)) ||
+ (xmlStrEqual(child->ns->href, XINCLUDE_OLD_NS)))) {
+ if (xmlStrEqual(child->name, XINCLUDE_NODE)) {
+ xmlXIncludeErr(ctxt, node,
+ XML_XINCLUDE_INCLUDE_IN_INCLUDE,
+ "%s has an 'include' child\n",
+ XINCLUDE_NODE);
+ return(0);
+ }
+ if (xmlStrEqual(child->name, XINCLUDE_FALLBACK)) {
+ nb_fallback++;
+ }
+ }
+ child = child->next;
+ }
+ if (nb_fallback > 1) {
+ xmlXIncludeErr(ctxt, node, XML_XINCLUDE_FALLBACKS_IN_INCLUDE,
+ "%s has multiple fallback children\n",
+ XINCLUDE_NODE);
+ return(0);
+ }
+ return(1);
+ }
+ if (xmlStrEqual(node->name, XINCLUDE_FALLBACK)) {
+ if ((node->parent == NULL) ||
+ (node->parent->type != XML_ELEMENT_NODE) ||
+ (node->parent->ns == NULL) ||
+ ((!xmlStrEqual(node->parent->ns->href, XINCLUDE_NS)) &&
+ (!xmlStrEqual(node->parent->ns->href, XINCLUDE_OLD_NS))) ||
+ (!xmlStrEqual(node->parent->name, XINCLUDE_NODE))) {
+ xmlXIncludeErr(ctxt, node,
+ XML_XINCLUDE_FALLBACK_NOT_IN_INCLUDE,
+ "%s is not the child of an 'include'\n",
+ XINCLUDE_FALLBACK);
+ }
+ }
+ }
+ return(0);
+}
+
+/**
+ * xmlXIncludeDoProcess:
+ * @ctxt: the XInclude processing context
+ * @doc: an XML document
+ * @tree: the top of the tree to process
+ *
+ * Implement the XInclude substitution on the XML document @doc
+ *
+ * Returns 0 if no substitution were done, -1 if some processing failed
+ * or the number of substitutions done.
+ */
+static int
+xmlXIncludeDoProcess(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc, xmlNodePtr tree) {
+ xmlNodePtr cur;
+ int ret = 0;
+ int i;
+
+ if ((doc == NULL) || (tree == NULL))
+ return(-1);
+ if (ctxt == NULL)
+ return(-1);
+
+ if (doc->URL != NULL) {
+ ret = xmlXIncludeURLPush(ctxt, doc->URL);
+ if (ret < 0)
+ return(-1);
+ }
+
+ /*
+ * First phase: lookup the elements in the document
+ */
+ cur = tree;
+ if (xmlXIncludeTestNode(ctxt, cur) == 1)
+ xmlXIncludePreProcessNode(ctxt, cur);
+ while ((cur != NULL) && (cur != tree->parent)) {
+ /* TODO: need to work on entities -> stack */
+ if ((cur->children != NULL) &&
+ (cur->children->type != XML_ENTITY_DECL) &&
+ (cur->children->type != XML_XINCLUDE_START) &&
+ (cur->children->type != XML_XINCLUDE_END)) {
+ cur = cur->children;
+ if (xmlXIncludeTestNode(ctxt, cur))
+ xmlXIncludePreProcessNode(ctxt, cur);
+ } else if (cur->next != NULL) {
+ cur = cur->next;
+ if (xmlXIncludeTestNode(ctxt, cur))
+ xmlXIncludePreProcessNode(ctxt, cur);
+ } else {
+ if (cur == tree)
+ break;
+ do {
+ cur = cur->parent;
+ if ((cur == NULL) || (cur == tree->parent))
+ break; /* do */
+ if (cur->next != NULL) {
+ cur = cur->next;
+ if (xmlXIncludeTestNode(ctxt, cur))
+ xmlXIncludePreProcessNode(ctxt, cur);
+ break; /* do */
+ }
+ } while (cur != NULL);
+ }
+ }
+
+ /*
+ * Second Phase : collect the infosets fragments
+ */
+ for (i = ctxt->incBase;i < ctxt->incNr; i++) {
+ xmlXIncludeLoadNode(ctxt, i);
+ ret++;
+ }
+
+ /*
+ * Third phase: extend the original document infoset.
+ *
+ * Originally we bypassed the inclusion if there were any errors
+ * encountered on any of the XIncludes. A bug was raised (bug
+ * 132588) requesting that we output the XIncludes without error,
+ * so the check for inc!=NULL || xptr!=NULL was put in. This may
+ * give some other problems in the future, but for now it seems to
+ * work ok.
+ *
+ */
+ for (i = ctxt->incBase;i < ctxt->incNr; i++) {
+ if ((ctxt->incTab[i]->inc != NULL) ||
+ (ctxt->incTab[i]->xptr != NULL) ||
+ (ctxt->incTab[i]->emptyFb != 0)) /* (empty fallback) */
+ xmlXIncludeIncludeNode(ctxt, i);
+ }
+
+ if (doc->URL != NULL)
+ xmlXIncludeURLPop(ctxt);
+ return(ret);
+}
+
+/**
+ * xmlXIncludeSetFlags:
+ * @ctxt: an XInclude processing context
+ * @flags: a set of xmlParserOption used for parsing XML includes
+ *
+ * Set the flags used for further processing of XML resources.
+ *
+ * Returns 0 in case of success and -1 in case of error.
+ */
+int
+xmlXIncludeSetFlags(xmlXIncludeCtxtPtr ctxt, int flags) {
+ if (ctxt == NULL)
+ return(-1);
+ ctxt->parseFlags = flags;
+ return(0);
+}
+
+/**
+ * xmlXIncludeProcessFlags:
+ * @doc: an XML document
+ * @flags: a set of xmlParserOption used for parsing XML includes
+ *
+ * Implement the XInclude substitution on the XML document @doc
+ *
+ * Returns 0 if no substitution were done, -1 if some processing failed
+ * or the number of substitutions done.
+ */
+int
+xmlXIncludeProcessFlags(xmlDocPtr doc, int flags) {
+ xmlXIncludeCtxtPtr ctxt;
+ xmlNodePtr tree;
+ int ret = 0;
+
+ if (doc == NULL)
+ return(-1);
+ tree = xmlDocGetRootElement(doc);
+ if (tree == NULL)
+ return(-1);
+ ctxt = xmlXIncludeNewContext(doc);
+ if (ctxt == NULL)
+ return(-1);
+ xmlXIncludeSetFlags(ctxt, flags);
+ ret = xmlXIncludeDoProcess(ctxt, doc, tree);
+ if ((ret >= 0) && (ctxt->nbErrors > 0))
+ ret = -1;
+
+ xmlXIncludeFreeContext(ctxt);
+ return(ret);
+}
+
+/**
+ * xmlXIncludeProcess:
+ * @doc: an XML document
+ *
+ * Implement the XInclude substitution on the XML document @doc
+ *
+ * Returns 0 if no substitution were done, -1 if some processing failed
+ * or the number of substitutions done.
+ */
+int
+xmlXIncludeProcess(xmlDocPtr doc) {
+ return(xmlXIncludeProcessFlags(doc, 0));
+}
+
+/**
+ * xmlXIncludeProcessTreeFlags:
+ * @tree: a node in an XML document
+ * @flags: a set of xmlParserOption used for parsing XML includes
+ *
+ * Implement the XInclude substitution for the given subtree
+ *
+ * Returns 0 if no substitution were done, -1 if some processing failed
+ * or the number of substitutions done.
+ */
+int
+xmlXIncludeProcessTreeFlags(xmlNodePtr tree, int flags) {
+ xmlXIncludeCtxtPtr ctxt;
+ int ret = 0;
+
+ if ((tree == NULL) || (tree->doc == NULL))
+ return(-1);
+ ctxt = xmlXIncludeNewContext(tree->doc);
+ if (ctxt == NULL)
+ return(-1);
+ xmlXIncludeSetFlags(ctxt, flags);
+ ret = xmlXIncludeDoProcess(ctxt, tree->doc, tree);
+ if ((ret >= 0) && (ctxt->nbErrors > 0))
+ ret = -1;
+
+ xmlXIncludeFreeContext(ctxt);
+ return(ret);
+}
+
+/**
+ * xmlXIncludeProcessTree:
+ * @tree: a node in an XML document
+ *
+ * Implement the XInclude substitution for the given subtree
+ *
+ * Returns 0 if no substitution were done, -1 if some processing failed
+ * or the number of substitutions done.
+ */
+int
+xmlXIncludeProcessTree(xmlNodePtr tree) {
+ return(xmlXIncludeProcessTreeFlags(tree, 0));
+}
+
+/**
+ * xmlXIncludeProcessNode:
+ * @ctxt: an existing XInclude context
+ * @node: a node in an XML document
+ *
+ * Implement the XInclude substitution for the given subtree reusing
+ * the informations and data coming from the given context.
+ *
+ * Returns 0 if no substitution were done, -1 if some processing failed
+ * or the number of substitutions done.
+ */
+int
+xmlXIncludeProcessNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node) {
+ int ret = 0;
+
+ if ((node == NULL) || (node->doc == NULL) || (ctxt == NULL))
+ return(-1);
+ ret = xmlXIncludeDoProcess(ctxt, node->doc, node);
+ if ((ret >= 0) && (ctxt->nbErrors > 0))
+ ret = -1;
+ return(ret);
+}
+
+#else /* !LIBXML_XINCLUDE_ENABLED */
+
+#endif