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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) INRIA - Allan CORNET
* Copyright (C) 2008-2008 - INRIA - Sylvestre LEDRU
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
*/
/*--------------------------------------------------------------------------*/
#include <libxml/xpath.h>
#include <libxml/xmlreader.h>
#include <stdio.h>
#include <string.h>
#include "loadClasspath.h"
#include "GetXmlFileEncoding.h"
#include "FileExist.h"
#include "addToClasspath.h"
#include "setgetSCIpath.h"
#include "MALLOC.h"
#include "localization.h"
#include "scilabmode.h"
#include "stricmp.h"
#ifdef _MSC_VER
#include "strdup_windows.h"
#endif
#include "getshortpathname.h"
#include "BOOL.h"
/*--------------------------------------------------------------------------*/
static xmlDocPtr ClassPathxmlDocPtr = NULL;
/*--------------------------------------------------------------------------*/
xmlDocPtr getClassPathxmlDocPtr(void)
{
return ClassPathxmlDocPtr;
}
/*--------------------------------------------------------------------------*/
void freeClassPathxmlDocPtr(void)
{
if (ClassPathxmlDocPtr)
{
xmlFreeDoc (ClassPathxmlDocPtr);
ClassPathxmlDocPtr = NULL;
}
}
/*--------------------------------------------------------------------------*/
BOOL LoadClasspath(char *xmlfilename)
{
BOOL bOK = FALSE;
BOOL errorOnLoad = FALSE;
if ( FileExist(xmlfilename) )
{
char *encoding = GetXmlFileEncoding(xmlfilename);
/* Don't care about line return / empty line */
xmlKeepBlanksDefault(0);
/* check if the XML file has been encoded with utf8 (unicode) or not */
if ( stricmp("utf-8", encoding) == 0 )
{
xmlXPathContextPtr xpathCtxt = NULL;
xmlXPathObjectPtr xpathObj = NULL;
char *classpath = NULL;
char *load = "";
typeOfLoad eLoad = STARTUP;
char *currentMode = getScilabModeString();
/* Xpath Query :
* Retrieve all the path which are not disabled in our mode
*/
#define XPATH "//classpaths/path[not(@disableUnderMode='%s')]"
char * XPath = (char*)MALLOC(sizeof(char) * (strlen(XPATH) + strlen(currentMode) - 2 + 1)); /* -2 = strlen(%s) */
sprintf(XPath, XPATH, currentMode);
{
BOOL bConvert = FALSE;
char *shortxmlfilename = getshortpathname(xmlfilename, &bConvert);
if (shortxmlfilename)
{
ClassPathxmlDocPtr = xmlParseFile (shortxmlfilename);
FREE(shortxmlfilename);
shortxmlfilename = NULL;
}
}
if (ClassPathxmlDocPtr == NULL)
{
fprintf(stderr, _("Error: could not parse file %s\n"), xmlfilename);
if (encoding)
{
FREE(encoding);
encoding = NULL;
}
return bOK;
}
xpathCtxt = xmlXPathNewContext(ClassPathxmlDocPtr);
xpathObj = xmlXPathEval((const xmlChar*)XPath, xpathCtxt);
if (xpathObj && xpathObj->nodesetval->nodeMax)
{
/* the Xpath has been understood and there are node */
int i;
for (i = 0; i < xpathObj->nodesetval->nodeNr; i++)
{
xmlAttrPtr attrib = xpathObj->nodesetval->nodeTab[i]->properties;
/* Get the properties of <path> */
while (attrib != NULL)
{
/* loop until when have read all the attributes */
if (xmlStrEqual (attrib->name, (const xmlChar*) "value"))
{
/* we found the tag value */
classpath = (char*)attrib->children->content;
}
if (xmlStrEqual (attrib->name, (const xmlChar*) "load"))
{
/* we found the tag load */
load = (char*)attrib->children->content;
/* By default, it is startup */
if (stricmp(load, "background") == 0)
{
eLoad = BACKGROUND;
}
else
{
if (stricmp(load, "onuse") == 0)
{
eLoad = ONUSE;
}
}
}
else
{
eLoad = STARTUP;
}
attrib = attrib->next;
}
if ( (classpath) && (strlen(classpath) > 0) && (strncmp(classpath, "@", 1) != 0) ) /* If it starts by a @ that means it hasn't been able to find it... which is normal... for example with the documentation */
{
#define KEYWORDSCILAB "$SCILAB"
char *sciPath = getSCIpath();
char *FullClasspath = NULL;
if (strncmp(classpath, KEYWORDSCILAB, strlen(KEYWORDSCILAB)) == 0)
{
FullClasspath = (char*)MALLOC(sizeof(char) * (strlen(sciPath) + strlen(classpath) + 1));
if (FullClasspath)
{
strcpy(FullClasspath, sciPath);
strcat(FullClasspath, &classpath[strlen(KEYWORDSCILAB)]);
}
}
else
{
FullClasspath = strdup(classpath);
}
if (FullClasspath)
{
if (!addToClasspath(FullClasspath, eLoad))
{
errorOnLoad = TRUE;
}
FREE(FullClasspath);
FullClasspath = NULL;
}
if (sciPath)
{
FREE(sciPath);
sciPath = NULL;
}
classpath = NULL;
}
}
bOK = TRUE;
}
else
{
fprintf(stderr, _("Wrong format for %s.\n"), xmlfilename);
}
if (xpathObj)
{
xmlXPathFreeObject(xpathObj);
}
if (xpathCtxt)
{
xmlXPathFreeContext(xpathCtxt);
}
if (XPath)
{
FREE(XPath);
XPath = NULL;
}
}
else
{
fprintf(stderr, _("Error : Not a valid classpath file %s (encoding not 'utf-8') Encoding '%s' found\n"), xmlfilename, encoding);
}
if (encoding)
{
FREE(encoding);
encoding = NULL;
}
}
else
{
fprintf(stderr, _("Warning: could not find classpath declaration file %s.\n"), xmlfilename);
}
if (errorOnLoad)
{
fprintf(stderr, _("Some problems during the loading of the Java libraries occurred.\nThis could lead to inconsistent behaviours.\nPlease check SCI/etc/classpath.xml.\n"));
}
return bOK;
}
/*--------------------------------------------------------------------------*/
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