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/*
Variables Plugin for Miranda-IM (www.miranda-im.org)
Copyright 2003-2006 P. Boon
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "variables.h"
#include "parse_xml.h"
#include <string.h>
#include <libxml/xmlmemory.h>
#include <libxml/debugXML.h>
#include <libxml/HTMLtree.h>
#include <libxml/xmlIO.h>
#include <libxml/DOCBparser.h>
#include <libxml/xinclude.h>
#include <libxml/catalog.h>
#include <libxslt/xslt.h>
#include <libxslt/xsltInternals.h>
#include <libxslt/transform.h>
#include <libxslt/xsltutils.h>
xsltStylesheetPtr (*pXsltParseStylesheetDoc)(xmlDocPtr doc);
xmlDocPtr (*pXmlParseMemory)(const char * buffer, int size);
void (*pXmlFree)(void *mem);
xmlDocPtr (*pXmlParseFile)(const char * filename);
void (*pXmlFreeDoc)(xmlDocPtr cur);
void (*pXmlInitParser)(void);
void (*pXmlCleanupParser)(void);
int (*pXmlSubstituteEntitiesDefault)(int val);
xsltStylesheetPtr (*pXsltParseStylesheetFile)(const xmlChar * filename);
int (*pXsltSaveResultToString)(xmlChar ** doc_txt_ptr, int * doc_txt_len, xmlDocPtr result, xsltStylesheetPtr style);
void (*pXsltFreeStylesheet)(xsltStylesheetPtr sheet);
xmlDocPtr (*pXsltApplyStylesheet)(xsltStylesheetPtr style, xmlDocPtr doc, const char ** params);
void (*pXsltCleanupGlobals)(void);
/*
pattern, subject
*/
static TCHAR *parseXslts(ARGUMENTSINFO *ai) {
char *szStyleSheet, *szDoc;
TCHAR *tszRes;
xsltStylesheetPtr cur = NULL;
xmlDocPtr doc, res, sdoc;
xmlChar *xmlChRes = NULL;
int resLen;
if (ai->argc != 3) {
return NULL;
}
szStyleSheet = u2a(ai->targv[1]);
szDoc = u2a(ai->targv[2]);
log_debugA("calling xsltParseMemory");
sdoc = pXmlParseMemory(szStyleSheet, strlen(szStyleSheet));
if (sdoc == NULL) {
return NULL;
}
log_debugA("calling xsltParseStylesheetDoc");
cur = pXsltParseStylesheetDoc(sdoc);
if (cur == NULL) {
log_debugA("calling xsltFreeDoc");
pXmlFreeDoc(sdoc);
return NULL;
}
log_debugA("calling xsltParseMemory");
doc = pXmlParseMemory(szDoc, strlen(szDoc));
if (doc == NULL) {
log_debugA("calling xsltFreeDoc");
pXmlFreeDoc(sdoc);
log_debugA("calling xsltFreeStylesheet");
pXsltFreeStylesheet(cur);
return NULL;
}
log_debugA("calling xsltApplyStylesheet");
res = pXsltApplyStylesheet(cur, doc, NULL);
if (res == NULL) {
log_debugA("calling xsltFreeStylesheet");
pXsltFreeStylesheet(cur);
log_debugA("calling xsltFreeDoc");
pXmlFreeDoc(doc);
log_debugA("calling xsltFreeDoc");
pXmlFreeDoc(sdoc);
return NULL;
}
log_debugA("calling xsltSaveResultToString");
pXsltSaveResultToString(&xmlChRes, &resLen, res, cur);
log_debugA("calling xsltFreeStylesheet");
pXsltFreeStylesheet(cur);
log_debugA("calling xsltFreeDoc");
pXmlFreeDoc(res);
log_debugA("calling xsltFreeDoc");
pXmlFreeDoc(doc);
log_debugA("calling free");
free(szStyleSheet);
log_debugA("calling free");
free(szDoc);
tszRes = a2u((char *)xmlChRes);
log_debugA("calling xmlFree");
pXmlFree(xmlChRes);
return tszRes;
}
/*
files
*/
static TCHAR *parseXsltf(ARGUMENTSINFO *ai) {
char *szStyleSheet, *szDoc;
TCHAR *tszRes;
xsltStylesheetPtr cur = NULL;
xmlDocPtr doc, res;
xmlChar *xmlChRes = NULL;
int resLen;
if (ai->argc != 3) {
return NULL;
}
szStyleSheet = u2a(ai->targv[1]);
szDoc = u2a(ai->targv[2]);
log_debugA("xslt with %s and %s", szStyleSheet, szDoc);
log_debugA("calling xsltParseStylesheetFile");
cur = pXsltParseStylesheetFile((const xmlChar *)szStyleSheet);
if (cur == NULL) {
return NULL;
}
log_debugA("result: %x", cur);
log_debugA("calling xmlParseFile");
doc = pXmlParseFile(szDoc);
if (doc == NULL) {
pXsltFreeStylesheet(cur);
return NULL;
}
log_debugA("result: %x", doc);
log_debugA("calling xsltApplyStylesheet");
res = pXsltApplyStylesheet(cur, doc, NULL);
if (res == NULL) {
pXsltFreeStylesheet(cur);
pXmlFreeDoc(doc);
return NULL;
}
log_debugA("result: %x", res);
log_debugA("calling xsltSaveResultToString");
pXsltSaveResultToString(&xmlChRes, &resLen, res, cur);
log_debugA("calling xsltFreeStylesheet(cur)");
pXsltFreeStylesheet(cur);
log_debugA("calling xmlFreeDoc(res)");
pXmlFreeDoc(res);
log_debugA("calling xmlFreeDoc(doc)");
pXmlFreeDoc(doc);
//log_debug("calling xsltCleanupGlobals");
//pXsltCleanupGlobals();
//log_debug("calling xmlCleanupParser");
//pXmlCleanupParser();
free(szStyleSheet);
free(szDoc);
tszRes = a2u((char *)xmlChRes);
log_debugA("calling xmlFree");
pXmlFree(xmlChRes);
return tszRes;
}
int initXslt() {
HMODULE hModule;
hModule = LoadLibraryA("libxml2.dll");
if (hModule == NULL) {
char path[MAX_PATH];
char *cur;
GetModuleFileNameA(NULL, path, sizeof(path));
cur = strrchr(path, '\\');
if (cur != NULL)
strcpy(cur+1, "libxml2.dll");
else
strcpy(path, "libxml2.dll");
hModule = LoadLibraryA(path);
}
if (hModule == NULL) {
return -1;
}
pXmlParseFile = (struct _xmlDoc *(__cdecl *)(const char *))GetProcAddress(hModule, "xmlParseFile");
pXmlFreeDoc = (void (__cdecl *)(struct _xmlDoc *))GetProcAddress(hModule, "xmlFreeDoc");
pXmlCleanupParser = (void (__cdecl *)(void ))GetProcAddress(hModule, "xmlCleanupParser");
pXmlInitParser = (void (__cdecl *)(void ))GetProcAddress(hModule, "xmlInitParser");
pXmlParseMemory = (struct _xmlDoc *(__cdecl *)(const char *,int ))GetProcAddress(hModule, "xmlParseMemory");
pXmlFree = (void (__cdecl *)(void *))*((void (__cdecl **)(void *))GetProcAddress(hModule, "xmlFree"));
pXmlSubstituteEntitiesDefault = (int (__cdecl *)(int ))GetProcAddress(hModule, "xmlSubstituteEntitiesDefault");
hModule = LoadLibraryA("libxslt.dll");
if (hModule == NULL) {
char path[MAX_PATH];
char *cur;
GetModuleFileNameA(NULL, path, sizeof(path));
cur = strrchr(path, '\\');
if (cur != NULL)
strcpy(cur+1, "libxslt.dll");
else
strcpy(path, "libxslt.dll");
hModule = LoadLibraryA(path);
}
if (hModule == NULL) {
return -1;
}
/* xmlFree !!! pthreads? */
pXsltParseStylesheetFile = (struct _xsltStylesheet *(__cdecl *)(const unsigned char *))GetProcAddress(hModule, "xsltParseStylesheetFile");
pXsltFreeStylesheet = (void (__cdecl *)(struct _xsltStylesheet *))GetProcAddress(hModule, "xsltFreeStylesheet");
pXsltApplyStylesheet = (struct _xmlDoc *(__cdecl *)(struct _xsltStylesheet *,struct _xmlDoc *,const char ** ))GetProcAddress(hModule, "xsltApplyStylesheet");
pXsltSaveResultToString = (int (__cdecl *)(unsigned char ** ,int *,struct _xmlDoc *,struct _xsltStylesheet *))GetProcAddress(hModule, "xsltSaveResultToString");
pXsltCleanupGlobals = (void (__cdecl *)(void ))GetProcAddress(hModule, "xsltCleanupGlobals");
pXsltParseStylesheetDoc = (struct _xsltStylesheet *(__cdecl *)(struct _xmlDoc *))GetProcAddress(hModule, "xsltParseStylesheetDoc");
/* init */
pXmlInitParser();
pXmlSubstituteEntitiesDefault(1);
return 0;
}
int registerXsltTokens() {
if (initXslt() != 0) {
log_infoA("Variables: XSLT library not initialized");
return -1;
}
registerIntToken(_T(XSLTF), parseXsltf, TRF_FUNCTION, "XML\t(x,y)\tapply stylesheet file x to document file y");
registerIntToken(_T(XSLTS), parseXslts, TRF_FUNCTION, "XML\t(x,y)\tapply stylesheet x to document y");
return 0;
}
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