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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008 - INRIA - Allan CORNET
*
* 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 <stdlib.h>
#include <libxml/xpath.h>
#include <libxml/xmlreader.h>
#include "getJvmOptions.h"
#include "GetXmlFileEncoding.h"
#include "MALLOC.h"
#include "localization.h"
#include "machine.h"
#include "stricmp.h"
#include "FileExist.h"
#ifdef _MSC_VER
#include "strdup_windows.h"
#endif
#include "strsubst.h"
#include "getos.h"
#include "getshortpathname.h"
#include "BOOL.h"
#include "getScilabPreference.h"
static char * getJavaHeapSize(void);
/*--------------------------------------------------------------------------*/
JavaVMOption * getJvmOptions(char *SCI_PATH, char *filename_xml_conf, int *size_JavaVMOption)
{
if ( FileExist(filename_xml_conf) )
{
JavaVMOption *jvm_options = NULL;
char *encoding = GetXmlFileEncoding(filename_xml_conf);
/* 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)
{
xmlDocPtr doc = NULL;
xmlXPathContextPtr xpathCtxt = NULL;
xmlXPathObjectPtr xpathObj = NULL;
char *jvm_option_string = NULL;
char *xpath_query = NULL;
int indice = 0;
{
BOOL bConvert = FALSE;
char *shortfilename_xml_conf = getshortpathname(filename_xml_conf, &bConvert);
if (shortfilename_xml_conf)
{
doc = xmlParseFile (shortfilename_xml_conf);
FREE(shortfilename_xml_conf);
shortfilename_xml_conf = NULL;
}
}
if (doc == NULL)
{
fprintf(stderr, _("Error: Could not parse file %s.\n"), filename_xml_conf);
if (encoding)
{
FREE(encoding);
encoding = NULL;
}
*size_JavaVMOption = 0;
return NULL;
}
xpathCtxt = xmlXPathNewContext(doc);
/* Retrieve all nodes without the os tag + only the one from our operating system */
#define XPATH_QUERY "//jvm_options/option[not(@os)] | //jvm_options/option[@os='%s']"
xpath_query = (char *)MALLOC(sizeof(char) * ((int)strlen(XPATH_QUERY) + (int)strlen(OSNAME) + 1));
sprintf(xpath_query, XPATH_QUERY, OSNAME);
xpathObj = xmlXPathEval((const xmlChar*)xpath_query, xpathCtxt);
FREE(xpath_query);
if (xpathObj && xpathObj->nodesetval->nodeMax)
{
/* the Xpath has been understood and there are node */
int i;
char heapSizeUsed = 0;
char *heapSize = getJavaHeapSize();
for (i = 0; i < xpathObj->nodesetval->nodeNr; i++)
{
xmlAttrPtr attrib = xpathObj->nodesetval->nodeTab[i]->properties;
/* Get the properties of <option> */
while (attrib != NULL)
{
/* loop until when have read all the attributes */
if (xmlStrEqual (attrib->name, (const xmlChar*) "value"))
{
/* we found the tag name */
const char *str = (const char*)attrib->children->content;
if (strstr(str, "-Xmx") == str && heapSize)
{
jvm_option_string = heapSize;
heapSizeUsed = 1;
}
else
{
jvm_option_string = strdup(str);
}
}
attrib = attrib->next;
}
if ( (jvm_option_string) && (strlen(jvm_option_string) > 0) )
{
char *option_string_path_separator = NULL;
char *option_string_sci_path = NULL;
option_string_path_separator = strsub(jvm_option_string, "$PATH_SEPARATOR", PATH_SEPARATOR);
if (jvm_option_string)
{
FREE(jvm_option_string);
}
option_string_sci_path = strsub(option_string_path_separator, "$SCILAB", SCI_PATH);
if (option_string_sci_path)
{
FREE(option_string_path_separator);
}
jvm_options = (JavaVMOption *)REALLOC(jvm_options, sizeof(JavaVMOption) * (indice + 1));
jvm_options[indice].optionString = option_string_sci_path;
indice++;
}
}
if (!heapSizeUsed)
{
FREE(heapSize);
}
}
if (xpathObj)
{
xmlXPathFreeObject(xpathObj);
}
if (xpathCtxt)
{
xmlXPathFreeContext(xpathCtxt);
}
xmlFreeDoc (doc);
/* xmlCleanupParser is called in
* modules/core/src/c/TerminateCore.c
* since it needs to be done only once.
*/
if (getenv("SCI_JAVA_ENABLE_HEADLESS") != NULL)
{
/* When Scilab is built from a virtual machine, it needs
* an X11 server / input
* This is only called by "make doc" by the SCI/Makefile.am
*/
#define HEADLESS "-Djava.awt.headless=true"
jvm_options = (JavaVMOption *)REALLOC(jvm_options, sizeof(JavaVMOption) * (indice + 1));
jvm_options[indice].optionString = MALLOC((strlen(HEADLESS) + 1) * sizeof(char));
strcpy(jvm_options[indice].optionString, HEADLESS);
indice++;
#undef HEADLESS
}
if (encoding)
{
FREE(encoding);
encoding = NULL;
}
*size_JavaVMOption = indice;
return jvm_options;
}
else
{
fprintf(stderr, _("Error: Not a valid configuration file %s (encoding not '%s') Encoding '%s' found.\n"), filename_xml_conf, "utf-8", encoding);
}
if (encoding)
{
FREE(encoding);
encoding = NULL;
}
}
return NULL;
}
/*--------------------------------------------------------------------------*/
char * getJavaHeapSize(void)
{
const char * value = getScilabPreferences()->heapSize;
char * rvalue = NULL;
int ivalue;
if (value)
{
ivalue = (int)atof(value);
if (ivalue > 0)
{
rvalue = (char *)MALLOC(24 * sizeof(char));
sprintf(rvalue, "-Xmx%dm", ivalue);
}
}
return rvalue;
}
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