mirror of
https://github.com/MariaDB/server.git
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ce1b9cb4ba
modified: storage/connect/ha_connect.cc storage/connect/ha_connect.h storage/connect/mycat.cc - Fix a regression error on XML libdoc wrong Nlist freing modified: storage/connect/domdoc.h storage/connect/libdoc.cpp storage/connect/libdoc.h storage/connect/plgxml.h storage/connect/tabxml.cpp
921 lines
26 KiB
C++
921 lines
26 KiB
C++
/******************************************************************/
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/* Implementation of XML document processing using libxml2 */
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/* Author: Olivier Bertrand 2007-2013 */
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/******************************************************************/
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#include <string.h>
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#include <stdio.h>
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#include <libxml/parser.h>
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#include <libxml/tree.h>
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#include <libxml/xpath.h>
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#include <libxml/xpathInternals.h>
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//#if defined(WIN32)
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//#include <windows.h>
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//#else // !WIN32
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#include "my_global.h"
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//#endif // !WIN32
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#if !defined(LIBXML_XPATH_ENABLED) || !defined(LIBXML_SAX1_ENABLED)
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#error "XPath not supported"
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#endif
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#include "global.h"
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#include "plgdbsem.h"
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#include "xobject.h"
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#include "libdoc.h"
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#include "sql_string.h"
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extern "C" {
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extern char version[];
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extern int trace;
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} // "C"
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#if defined(MEMORY_TRACE)
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static xmlFreeFunc Free;
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static xmlMallocFunc Malloc;
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static xmlMallocFunc MallocA;
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static xmlReallocFunc Realloc;
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static xmlStrdupFunc Strdup;
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void xmlMyFree(void *mem)
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{
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if (trace)
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htrc("Freeing at %p\n", mem);
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Free(mem);
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} // end of xmlMyFree
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void *xmlMyMalloc(size_t size)
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{
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void *p = Malloc(size);
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if (trace)
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htrc("Allocating %.5d at %p\n", size, p);
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return p;
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} // end of xmlMyMalloc
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void *xmlMyMallocAtomic(size_t size)
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{
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void *p = MallocA(size);
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if (trace)
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htrc("Atom alloc %.5d at %p\n", size, p);
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return p;
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} // end of xmlMyMallocAtomic
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void *xmlMyRealloc(void *mem, size_t size)
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{
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void *p = Realloc(mem, size);
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if (trace)
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htrc("ReAlloc %.5d to %p from %p\n", size, p, mem);
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return p;
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} // end of xmlMyRealloc
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char *xmlMyStrdup(const char *str)
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{
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char *p = Strdup(str);
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if (trace)
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htrc("Duplicating to %p from %p %s\n", p, str, str);
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return p;
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} // end of xmlMyStrdup
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#endif // MEMORY_TRACE
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/******************************************************************/
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/* Return a LIBXMLDOC as a XMLDOC. */
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/******************************************************************/
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PXDOC GetLibxmlDoc(PGLOBAL g, char *nsl, char *nsdf,
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char *enc, PFBLOCK fp)
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{
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return (PXDOC) new(g) LIBXMLDOC(nsl, nsdf, enc, fp);
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} // end of GetLibxmlDoc
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/******************************************************************/
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/* XML library initialization function. */
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/******************************************************************/
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void XmlInitParserLib(void)
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{
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#if defined(MEMORY_TRACE)
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int rc = xmlGcMemGet(&Free, &Malloc, &MallocA, &Realloc, &Strdup);
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if (!rc)
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rc = xmlGcMemSetup(xmlMyFree,
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xmlMyMalloc,
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xmlMyMallocAtomic,
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xmlMyRealloc,
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xmlMyStrdup);
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#endif // MEMORY_TRACE
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xmlInitParser();
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} // end of XmlInitParserLib
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/******************************************************************/
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/* XML library cleanup function. */
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/******************************************************************/
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void XmlCleanupParserLib(void)
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{
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xmlCleanupParser();
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xmlMemoryDump();
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} // end of XmlCleanupParserLib
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/******************************************************************/
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/* Close a loaded libxml2 XML file. */
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/******************************************************************/
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void CloseXML2File(PGLOBAL g, PFBLOCK fp, bool all)
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{
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PX2BLOCK xp = (PX2BLOCK)fp;
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if (trace)
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htrc("CloseXML2File: xp=%p count=%d\n", xp, (xp) ? xp->Count : 0);
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if (xp && xp->Count > 1 && !all) {
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xp->Count--;
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} else if (xp && xp->Count > 0) {
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xmlFreeDoc(xp->Docp);
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xp->Count = 0;
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} // endif
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} // end of CloseXML2File
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/* ---------------------- class LIBXMLDOC ----------------------- */
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/******************************************************************/
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/* LIBXMLDOC constructor. */
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/******************************************************************/
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LIBXMLDOC::LIBXMLDOC(char *nsl, char *nsdf, char *enc, PFBLOCK fp)
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: XMLDOCUMENT(nsl, nsdf, enc)
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{
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assert (!fp || fp->Type == TYPE_FB_XML2);
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Docp = (fp) ? ((PX2BLOCK)fp)->Docp : NULL;
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Nlist = NULL;
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Ctxp = NULL;
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Xop = NULL;
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Buf = NULL;
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Nofreelist = false;
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} // end of LIBXMLDOC constructor
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/******************************************************************/
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/* Initialize XML parser and check library compatibility. */
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/******************************************************************/
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bool LIBXMLDOC::Initialize(PGLOBAL g)
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{
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int n = xmlKeepBlanksDefault(1);
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return MakeNSlist(g);
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} // end of Initialize
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/******************************************************************/
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/* Parse the XML file and construct node tree in memory. */
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/******************************************************************/
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bool LIBXMLDOC::ParseFile(char *fn)
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{
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if (trace)
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htrc("ParseFile\n");
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if ((Docp = xmlParseFile(fn))) {
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if (Docp->encoding)
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Encoding = (char*)Docp->encoding;
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return false;
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} else
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return true;
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} // end of ParseFile
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/******************************************************************/
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/* Create or reuse an Xblock for this document. */
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/******************************************************************/
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PFBLOCK LIBXMLDOC::LinkXblock(PGLOBAL g, MODE m, int rc, char *fn)
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{
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PDBUSER dup = (PDBUSER)g->Activityp->Aptr;
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PX2BLOCK xp = (PX2BLOCK)PlugSubAlloc(g, NULL, sizeof(X2BLOCK));
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memset(xp, 0, sizeof(X2BLOCK));
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xp->Next = (PX2BLOCK)dup->Openlist;
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dup->Openlist = (PFBLOCK)xp;
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xp->Type = TYPE_FB_XML2;
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xp->Fname = (LPCSTR)PlugSubAlloc(g, NULL, strlen(fn) + 1);
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strcpy((char*)xp->Fname, fn);
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xp->Count = 1;
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xp->Length = (m == MODE_READ) ? 1 : 0;
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xp->Retcode = rc;
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xp->Docp = Docp;
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// xp->Ctxp = Ctxp;
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// xp->Xop = Xop;
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// Return xp as a fp
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return (PFBLOCK)xp;
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} // end of LinkXblock
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/******************************************************************/
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/* Construct and add the XML processing instruction node. */
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/******************************************************************/
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bool LIBXMLDOC::NewDoc(PGLOBAL g, char *ver)
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{
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return ((Docp = xmlNewDoc(BAD_CAST ver)) == NULL);
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} // end of NewDoc
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/******************************************************************/
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/* Add a new comment node to the document. */
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/******************************************************************/
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void LIBXMLDOC::AddComment(PGLOBAL g, char *txtp)
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{
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if (trace)
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htrc("AddComment: %s\n", txtp);
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xmlNodePtr cp = xmlNewDocComment(Docp, BAD_CAST txtp);
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xmlAddChild((xmlNodePtr)Docp, cp);
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} // end of AddText
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/******************************************************************/
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/* Return the node class of the root of the document. */
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/******************************************************************/
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PXNODE LIBXMLDOC::GetRoot(PGLOBAL g)
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{
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if (trace)
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htrc("GetRoot\n");
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xmlNodePtr root = xmlDocGetRootElement(Docp);
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if (!root)
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return NULL;
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return new(g) XML2NODE(this, root);
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} // end of GetRoot
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/******************************************************************/
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/* Create a new root element and return its class node. */
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/******************************************************************/
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PXNODE LIBXMLDOC::NewRoot(PGLOBAL g, char *name)
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{
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if (trace)
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htrc("NewRoot: %s\n", name);
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xmlNodePtr root = xmlNewDocNode(Docp, NULL, BAD_CAST name, NULL);
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if (root) {
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xmlDocSetRootElement(Docp, root);
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return new(g) XML2NODE(this, root);
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} else
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return NULL;
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} // end of NewRoot
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/******************************************************************/
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/* Return a void XML2NODE node class. */
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/******************************************************************/
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PXNODE LIBXMLDOC::NewPnode(PGLOBAL g, char *name)
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{
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if (trace)
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htrc("NewNode: %s\n", name);
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xmlNodePtr nop;
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if (name) {
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nop = xmlNewDocNode(Docp, NULL, BAD_CAST name, NULL);
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if (nop == NULL)
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return NULL;
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} else
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nop = NULL;
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return new(g) XML2NODE(this, nop);
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} // end of NewPnode
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/******************************************************************/
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/* Return a void XML2ATTR node class. */
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/******************************************************************/
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PXATTR LIBXMLDOC::NewPattr(PGLOBAL g)
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{
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return new(g) XML2ATTR(this, NULL, NULL);
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} // end of NewPattr
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/******************************************************************/
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/* Return a void XML2ATTR node class. */
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/******************************************************************/
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PXLIST LIBXMLDOC::NewPlist(PGLOBAL g)
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{
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return new(g) XML2NODELIST(this, NULL);
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} // end of NewPlist
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/******************************************************************/
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/* Dump the node tree to a new XML file. */
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/******************************************************************/
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int LIBXMLDOC::DumpDoc(PGLOBAL g, char *ofn)
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{
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int rc = 0;
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FILE *of;
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if (trace)
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htrc("DumpDoc: %s\n", ofn);
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if (!(of= global_fopen(g, MSGID_CANNOT_OPEN, ofn, "w")))
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return -1;
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#if 1
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// This function does not crash (
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if (xmlSaveFormatFileEnc((const char *)ofn, Docp, Encoding, 0) < 0) {
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xmlErrorPtr err = xmlGetLastError();
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strcpy(g->Message, (err) ? err->message : "Error saving XML doc"
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);
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rc = -1;
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} // endif Save
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// rc = xmlDocDump(of, Docp);
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#else // 0
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// Until this function is fixed, do the job ourself
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xmlNodePtr Rootp;
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// Save the modified document
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fprintf(of, "<?xml version=\"1.0\" encoding=\"%s\"?>\n", Encoding);
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fprintf(of, "<!-- Created by CONNECT %s -->\n", version);
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if (!(Rootp = xmlDocGetRootElement(Docp)))
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return 1;
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Buf = (char*)PlugSubAlloc(g, NULL, 1024);
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rc = iconv_close(Cd2);
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Cd2 = iconv_open(Encoding, "UTF-8");
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rc = CheckDocument(of, Rootp);
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#endif // 0
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fclose(of);
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return rc;
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} // end of Dump
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/******************************************************************/
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/* Free the document, cleanup the XML library, and */
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/* debug memory for regression tests. */
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/******************************************************************/
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void LIBXMLDOC::CloseDoc(PGLOBAL g, PFBLOCK xp)
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{
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if (trace)
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htrc("CloseDoc: xp=%p count=%d\n", xp, (xp) ? xp->Count : 0);
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if (xp && xp->Count == 1) {
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if (Nlist)
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xmlXPathFreeNodeSet(Nlist);
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if (Xop)
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xmlXPathFreeObject(Xop);
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if (Ctxp)
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xmlXPathFreeContext(Ctxp);
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} // endif Count
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CloseXML2File(g, xp, false);
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} // end of Close
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/******************************************************************/
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/* Evaluate the passed Xpath from the passed context node. */
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/******************************************************************/
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xmlNodeSetPtr LIBXMLDOC::GetNodeList(PGLOBAL g, xmlNodePtr np, char *xp)
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{
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xmlNodeSetPtr nl;
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if (trace)
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htrc("GetNodeList: %s np=%p\n", xp, np);
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if (!Ctxp) {
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// Init Xpath
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if (trace)
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htrc("Calling xmlPathInit\n");
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xmlXPathInit();
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if (trace)
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htrc("Calling xmlXPathNewContext Docp=%p\n", Docp);
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// Create xpath evaluation context
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if (!(Ctxp = xmlXPathNewContext(Docp))) {
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strcpy(g->Message, MSG(XPATH_CNTX_ERR));
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if (trace)
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htrc("Context error: %s\n", g->Message);
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return NULL;
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} // endif xpathCtx
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// Register namespaces from list (if any)
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for (PNS nsp = Namespaces; nsp; nsp = nsp->Next) {
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if (trace)
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htrc("Calling xmlXPathRegisterNs Prefix=%s Uri=%s\n",
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nsp->Prefix, nsp->Uri);
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if (xmlXPathRegisterNs(Ctxp, BAD_CAST nsp->Prefix,
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BAD_CAST nsp->Uri)) {
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sprintf(g->Message, MSG(REGISTER_ERR), nsp->Prefix, nsp->Uri);
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if (trace)
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htrc("Ns error: %s\n", g->Message);
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return NULL;
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} // endif Registering
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} // endfor nsp
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} else {
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if (trace)
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htrc("Calling xmlXPathFreeNodeSetList Xop=%p\n", Xop);
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if (Nofreelist) {
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// Making Nlist that must not be freed yet
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xmlXPathFreeNodeSetList(Xop); // Caused memory leak
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Nofreelist = false;
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} else
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xmlXPathFreeObject(Xop); // Caused node not found
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} // endif Ctxp
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// Set the context to the calling node
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Ctxp->node = np;
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if (trace)
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htrc("Calling xmlXPathEval %s Ctxp=%p\n", xp, Ctxp);
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// Evaluate table xpath
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if (!(Xop = xmlXPathEval(BAD_CAST xp, Ctxp))) {
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sprintf(g->Message, MSG(XPATH_EVAL_ERR), xp);
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if (trace)
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htrc("Path error: %s\n", g->Message);
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return NULL;
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} else
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nl = Xop->nodesetval;
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if (trace)
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htrc("GetNodeList nl=%p n=%p\n", nl, (nl) ? nl->nodeNr : 0);
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return nl;
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} // end of GetNodeList
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#if 0 // Not used anymore
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/******************************************************************/
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/* CheckDocument: check if the document is ok to dump. */
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/* Currently this does the dumping of the document. */
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/******************************************************************/
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bool LIBXMLDOC::CheckDocument(FILE *of, xmlNodePtr np)
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{
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int n;
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bool b;
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if (!np)
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return true;
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if (np->type == XML_ELEMENT_NODE) {
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n = fprintf(of, "<%s", np->name);
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b = CheckDocument(of, (xmlNodePtr)np->properties);
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if (np->children)
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n = fprintf(of, ">");
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else
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n = fprintf(of, "/>");
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} else if (np->type == XML_ATTRIBUTE_NODE)
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n = fprintf(of, " %s=\"", np->name);
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else if (np->type == XML_TEXT_NODE)
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n = fprintf(of, "%s", Encode(NULL, (char*)np->content));
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else if (np->type == XML_COMMENT_NODE)
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n = fprintf(of, "%s", Encode(NULL, (char*)np->content));
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b = CheckDocument(of, np->children);
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if (np->type == XML_ATTRIBUTE_NODE)
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n = fprintf(of, "\"");
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else if (!b && np->type == XML_ELEMENT_NODE)
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n = fprintf(of, "</%s>", np->name);
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b = CheckDocument(of, np->next);
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return false;
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} // end of CheckDocument
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/******************************************************************/
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/* Convert node or attribute content to latin characters. */
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/******************************************************************/
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int LIBXMLDOC::Decode(xmlChar *cnt, char *buf, int n)
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{
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const char *txt = (const char *)cnt;
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uint dummy_errors;
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uint32 len= copy_and_convert(buf, n, &my_charset_utf8_general_ci, txt,
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strlen(txt), &my_charset_utf8_general_ci,
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&dummy_errors);
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buf[len]= '\0';
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return 0;
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} // end of Decode
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/******************************************************************/
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/* Convert node or attribute content to latin characters. */
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/******************************************************************/
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xmlChar *LIBXMLDOC::Encode(PGLOBAL g, char *txt)
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{
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const CHARSET_INFO *ics= &my_charset_utf8_general_ci;
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const CHARSET_INFO *ocs= &my_charset_utf8_general_ci;
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size_t i = strlen(txt);
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size_t o = i * ocs->mbmaxlen / ics->mbmaxlen + 1;
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char *buf;
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if (g) {
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buf = (char*)PlugSubAlloc(g, NULL, o);
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} else {
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o = 1024;
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buf = Buf;
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} // endif g
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uint dummy_errors;
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uint32 len= copy_and_convert(buf, o, ocs,
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txt, i, ics,
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&dummy_errors);
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buf[len]= '\0';
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return BAD_CAST buf;
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} // end of Encode
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#endif // 0
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/* ---------------------- class XML2NODE ------------------------ */
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/******************************************************************/
|
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/* XML2NODE constructor. */
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/******************************************************************/
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XML2NODE::XML2NODE(PXDOC dp, xmlNodePtr np) : XMLNODE(dp)
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{
|
|
Docp = ((PXDOC2)dp)->Docp;
|
|
Content = NULL;
|
|
Nodep = np;
|
|
} // end of XML2NODE constructor
|
|
|
|
int XML2NODE::GetType(void)
|
|
{
|
|
if (trace)
|
|
htrc("GetType type=%d\n", Nodep->type);
|
|
|
|
return Nodep->type;
|
|
} // end of GetType
|
|
|
|
/******************************************************************/
|
|
/* Return the node class of next sibling of the node. */
|
|
/******************************************************************/
|
|
PXNODE XML2NODE::GetNext(PGLOBAL g)
|
|
{
|
|
if (trace)
|
|
htrc("GetNext\n");
|
|
|
|
if (!Nodep->next)
|
|
Next = NULL;
|
|
else if (!Next)
|
|
Next = new(g) XML2NODE(Doc, Nodep->next);
|
|
|
|
return Next;
|
|
} // end of GetNext
|
|
|
|
/******************************************************************/
|
|
/* Return the node class of first children of the node. */
|
|
/******************************************************************/
|
|
PXNODE XML2NODE::GetChild(PGLOBAL g)
|
|
{
|
|
if (trace)
|
|
htrc("GetChild\n");
|
|
|
|
if (!Nodep->children)
|
|
Children = NULL;
|
|
else if (!Children)
|
|
Children = new(g) XML2NODE(Doc, Nodep->children);
|
|
|
|
return Children;
|
|
} // end of GetChild
|
|
|
|
/******************************************************************/
|
|
/* Return the content of a node and subnodes. */
|
|
/******************************************************************/
|
|
RCODE XML2NODE::GetContent(PGLOBAL g, char *buf, int len)
|
|
{
|
|
RCODE rc = RC_OK;
|
|
|
|
if (trace)
|
|
htrc("GetContent\n");
|
|
|
|
if (Content)
|
|
xmlFree(Content);
|
|
|
|
if ((Content = xmlNodeGetContent(Nodep))) {
|
|
char *extra = " \t\r\n";
|
|
char *p1 = (char*)Content, *p2 = buf;
|
|
bool b = false;
|
|
|
|
// Copy content eliminating extra characters
|
|
for (; *p1; p1++)
|
|
if ((p2 - buf) < len) {
|
|
if (strchr(extra, *p1)) {
|
|
if (b) {
|
|
// This to have one blank between sub-nodes
|
|
*p2++ = ' ';
|
|
b = false;
|
|
} // endif b
|
|
|
|
} else {
|
|
*p2++ = *p1;
|
|
b = true;
|
|
} // endif p1
|
|
|
|
} else {
|
|
sprintf(g->Message, "Truncated %s content", Nodep->name);
|
|
rc = RC_INFO;
|
|
} // endif len
|
|
|
|
*p2 = 0;
|
|
|
|
if (trace)
|
|
htrc("GetText buf='%s' len=%d\n", buf, len);
|
|
|
|
xmlFree(Content);
|
|
Content = NULL;
|
|
} else
|
|
*buf = '\0';
|
|
|
|
if (trace)
|
|
htrc("GetContent: %s\n", buf);
|
|
|
|
return rc;
|
|
} // end of GetContent
|
|
|
|
/******************************************************************/
|
|
/* Set the content of a node. */
|
|
/******************************************************************/
|
|
bool XML2NODE::SetContent(PGLOBAL g, char *txtp, int len)
|
|
{
|
|
if (trace)
|
|
htrc("SetContent: %s\n", txtp);
|
|
|
|
xmlChar *buf = xmlEncodeEntitiesReentrant(Docp, BAD_CAST txtp);
|
|
|
|
if (trace)
|
|
htrc("SetContent: %s -> %s\n", txtp, buf);
|
|
|
|
xmlNodeSetContent(Nodep, buf);
|
|
xmlFree(buf);
|
|
return false;
|
|
} // end of SetContent
|
|
|
|
/******************************************************************/
|
|
/* Return a clone of this node. */
|
|
/******************************************************************/
|
|
PXNODE XML2NODE::Clone(PGLOBAL g, PXNODE np)
|
|
{
|
|
if (trace)
|
|
htrc("Clone: np=%p\n", np);
|
|
|
|
if (np) {
|
|
((PNODE2)np)->Nodep = Nodep;
|
|
return np;
|
|
} else
|
|
return new(g) XML2NODE(Doc, Nodep);
|
|
|
|
} // end of Clone
|
|
|
|
/******************************************************************/
|
|
/* Return the list of all or matching children that are elements.*/
|
|
/******************************************************************/
|
|
PXLIST XML2NODE::GetChildElements(PGLOBAL g, char *xp, PXLIST lp)
|
|
{
|
|
if (trace)
|
|
htrc("GetChildElements: %s\n", xp);
|
|
|
|
return SelectNodes(g, (xp) ? xp : (char*)"*", lp);
|
|
} // end of GetChildElements
|
|
|
|
/******************************************************************/
|
|
/* Return the list of nodes verifying the passed Xpath. */
|
|
/******************************************************************/
|
|
PXLIST XML2NODE::SelectNodes(PGLOBAL g, char *xp, PXLIST lp)
|
|
{
|
|
if (trace)
|
|
htrc("SelectNodes: %s\n", xp);
|
|
|
|
xmlNodeSetPtr nl = ((PXDOC2)Doc)->GetNodeList(g, Nodep, xp);
|
|
|
|
if (lp) {
|
|
((PLIST2)lp)->Listp = nl;
|
|
return lp;
|
|
} else
|
|
return new(g) XML2NODELIST(Doc, nl);
|
|
|
|
} // end of SelectNodes
|
|
|
|
/******************************************************************/
|
|
/* Return the first node verifying the passed Xapth. */
|
|
/******************************************************************/
|
|
PXNODE XML2NODE::SelectSingleNode(PGLOBAL g, char *xp, PXNODE np)
|
|
{
|
|
if (trace)
|
|
htrc("SelectSingleNode: %s\n", xp);
|
|
|
|
xmlNodeSetPtr nl = ((PXDOC2)Doc)->GetNodeList(g, Nodep, xp);
|
|
|
|
if (nl && nl->nodeNr) {
|
|
if (np) {
|
|
((PNODE2)np)->Nodep = nl->nodeTab[0];
|
|
return np;
|
|
} else
|
|
return new(g) XML2NODE(Doc, nl->nodeTab[0]);
|
|
|
|
} else
|
|
return NULL;
|
|
|
|
} // end of SelectSingleNode
|
|
|
|
/******************************************************************/
|
|
/* Return the node attribute with the specified name. */
|
|
/******************************************************************/
|
|
PXATTR XML2NODE::GetAttribute(PGLOBAL g, char *name, PXATTR ap)
|
|
{
|
|
if (trace)
|
|
htrc("GetAttribute: %s\n", name);
|
|
|
|
xmlAttrPtr atp = xmlHasProp(Nodep, BAD_CAST name);
|
|
|
|
if (atp) {
|
|
if (ap) {
|
|
((PATTR2)ap)->Atrp = atp;
|
|
((PATTR2)ap)->Parent = Nodep;
|
|
return ap;
|
|
} else
|
|
return new(g) XML2ATTR(Doc, atp, Nodep);
|
|
|
|
} else
|
|
return NULL;
|
|
|
|
} // end of GetAttribute
|
|
|
|
/******************************************************************/
|
|
/* Add a new child node to this node and return it. */
|
|
/******************************************************************/
|
|
PXNODE XML2NODE::AddChildNode(PGLOBAL g, char *name, PXNODE np)
|
|
{
|
|
char *p, *pn, *pf = NULL;
|
|
|
|
if (trace)
|
|
htrc("AddChildNode: %s\n", name);
|
|
|
|
// Is a prefix specified
|
|
if ((pn = strchr(name, ':'))) {
|
|
pf = name;
|
|
*pn++ = '\0'; // Separate name from prefix
|
|
} else
|
|
pn = name;
|
|
|
|
// If name has the format m[n] only m is taken as node name
|
|
if ((p = strchr(pn, '[')))
|
|
p = BufAlloc(g, pn, p - pn);
|
|
else
|
|
p = pn;
|
|
|
|
xmlNodePtr nop = xmlNewChild(Nodep, NULL, BAD_CAST p, NULL);
|
|
|
|
if (!nop)
|
|
return NULL;
|
|
|
|
if (pf) {
|
|
// Prefixed name, is it the default NS prefix?
|
|
if (Doc->DefNs && !strcmp(pf, Doc->DefNs))
|
|
pf = NULL; // Default namespace
|
|
|
|
xmlNsPtr nsp = xmlSearchNs(Docp, nop, BAD_CAST pf);
|
|
|
|
if (!nsp)
|
|
nsp = xmlNewNs(nop, NULL, BAD_CAST pf);
|
|
|
|
// Set node namespace
|
|
nop->ns = nsp;
|
|
*(--p) = ':'; // Restore Xname
|
|
} else if (Doc->DefNs && xmlSearchNs(Docp, nop, NULL))
|
|
// Not in default namespace
|
|
nop->ns = xmlNewNs(nop, BAD_CAST "", NULL);
|
|
|
|
if (np)
|
|
((PNODE2)np)->Nodep = nop;
|
|
else
|
|
np = new(g) XML2NODE(Doc, nop);
|
|
|
|
return NewChild(np);
|
|
} // end of AddChildNode
|
|
|
|
/******************************************************************/
|
|
/* Add a new property to this node and return it. */
|
|
/******************************************************************/
|
|
PXATTR XML2NODE::AddProperty(PGLOBAL g, char *name, PXATTR ap)
|
|
{
|
|
if (trace)
|
|
htrc("AddProperty: %s\n", name);
|
|
|
|
xmlAttrPtr atp = xmlNewProp(Nodep, BAD_CAST name, NULL);
|
|
|
|
if (atp) {
|
|
if (ap) {
|
|
((PATTR2)ap)->Atrp = atp;
|
|
((PATTR2)ap)->Parent = Nodep;
|
|
return ap;
|
|
} else
|
|
return new(g) XML2ATTR(Doc, atp, Nodep);
|
|
|
|
} else
|
|
return NULL;
|
|
|
|
} // end of AddProperty
|
|
|
|
/******************************************************************/
|
|
/* Add a new text node to this node. */
|
|
/******************************************************************/
|
|
void XML2NODE::AddText(PGLOBAL g, char *txtp)
|
|
{
|
|
if (trace)
|
|
htrc("AddText: %s\n", txtp);
|
|
|
|
// This is to avoid a blank line when inserting a new line
|
|
xmlNodePtr np = xmlGetLastChild(Nodep);
|
|
|
|
if (np && np->type == XML_TEXT_NODE) {
|
|
xmlUnlinkNode(np);
|
|
xmlFreeNode(np);
|
|
} // endif type
|
|
|
|
// Add the new text
|
|
xmlAddChild(Nodep, xmlNewText(BAD_CAST txtp));
|
|
} // end of AddText
|
|
|
|
/******************************************************************/
|
|
/* Remove a child node from this node. */
|
|
/******************************************************************/
|
|
void XML2NODE::DeleteChild(PGLOBAL g, PXNODE dnp)
|
|
{
|
|
if (trace)
|
|
htrc("DeleteChild: node=%p\n", dnp);
|
|
|
|
xmlNodePtr np = ((PNODE2)dnp)->Nodep;
|
|
xmlNodePtr text = np->next;
|
|
|
|
// This is specific to row nodes
|
|
if (text && text->type == XML_TEXT_NODE) {
|
|
xmlUnlinkNode(text);
|
|
xmlFreeNode(text);
|
|
} // endif type
|
|
|
|
xmlUnlinkNode(np);
|
|
xmlFreeNode(np);
|
|
Delete(dnp);
|
|
} // end of DeleteChild
|
|
|
|
/* -------------------- class XML2NODELIST ---------------------- */
|
|
|
|
/******************************************************************/
|
|
/* XML2NODELIST constructor. */
|
|
/******************************************************************/
|
|
XML2NODELIST::XML2NODELIST(PXDOC dp, xmlNodeSetPtr lp)
|
|
: XMLNODELIST(dp)
|
|
{
|
|
Listp = lp;
|
|
} // end of XML2NODELIST constructor
|
|
|
|
/******************************************************************/
|
|
/* Return the length of the list. */
|
|
/******************************************************************/
|
|
int XML2NODELIST::GetLength(void)
|
|
{
|
|
return (Listp) ? Listp->nodeNr : 0;
|
|
} // end of GetLength
|
|
|
|
/******************************************************************/
|
|
/* Return the nth element of the list. */
|
|
/******************************************************************/
|
|
PXNODE XML2NODELIST::GetItem(PGLOBAL g, int n, PXNODE np)
|
|
{
|
|
if (trace)
|
|
htrc("GetItem: %d\n", n);
|
|
|
|
if (!Listp || Listp->nodeNr <= n)
|
|
return NULL;
|
|
|
|
if (np) {
|
|
((PNODE2)np)->Nodep = Listp->nodeTab[n];
|
|
return np;
|
|
} else
|
|
return new(g) XML2NODE(Doc, Listp->nodeTab[n]);
|
|
|
|
} // end of GetItem
|
|
|
|
/* ---------------------- class XML2ATTR ------------------------ */
|
|
|
|
/******************************************************************/
|
|
/* XML2ATTR constructor. */
|
|
/******************************************************************/
|
|
XML2ATTR::XML2ATTR(PXDOC dp, xmlAttrPtr ap, xmlNodePtr np)
|
|
: XMLATTRIBUTE(dp)
|
|
{
|
|
Atrp = ap;
|
|
Parent = np;
|
|
} // end of XML2ATTR constructor
|
|
|
|
/******************************************************************/
|
|
/* Set the content of an attribute. */
|
|
/******************************************************************/
|
|
bool XML2ATTR::SetText(PGLOBAL g, char *txtp, int len)
|
|
{
|
|
if (trace)
|
|
htrc("SetText: %s %d\n", txtp, len);
|
|
|
|
xmlSetProp(Parent, Atrp->name, BAD_CAST txtp);
|
|
return false;
|
|
} // end of SetText
|