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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2012 - Scilab Enterprises - Calixte DENIZET
*
* 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 "XMLObject.hxx"
#include "XMLValidation.hxx"
#include "XMLValidationDTD.hxx"
#include "XMLDocument.hxx"
#include "VariableScope.hxx"
extern "C"
{
#include "expandPathVariable.h"
#include "MALLOC.h"
#include "localization.h"
}
namespace org_modules_xml
{
XMLValidationDTD::XMLValidationDTD(const char *path, std::string * error): XMLValidation()
{
internalValidate = false;
char *expandedPath = expandPathVariable(const_cast<char *>(path));
if (expandedPath)
{
validationFile = (void *)xmlParseDTD(0, (const xmlChar *)expandedPath);
FREE(expandedPath);
if (!validationFile)
{
if (errorBuffer)
{
delete errorBuffer;
}
errorBuffer = new std::string(gettext("Cannot parse the DTD"));
*error = *errorBuffer;
}
else
{
openValidationFiles.push_back(this);
}
}
else
{
*error = std::string(gettext("Invalid file name: ")) + std::string(path);
}
scope->registerPointers(validationFile, this);
id = scope->getVariableId(*this);
}
XMLValidationDTD::XMLValidationDTD(): XMLValidation()
{
validationFile = 0;
internalValidate = true;
id = scope->getVariableId(*this);
openValidationFiles.push_back(this);
}
XMLValidationDTD::~XMLValidationDTD()
{
scope->unregisterPointer(validationFile);
scope->removeId(id);
if (validationFile)
{
xmlFreeDtd(getValidationFile < xmlDtd > ());
}
if (validationFile || internalValidate)
{
openValidationFiles.remove(this);
if (openValidationFiles.size() == 0 && XMLDocument::getOpenDocuments().size() == 0)
{
resetScope();
}
}
if (errorBuffer)
{
delete errorBuffer;
errorBuffer = 0;
}
}
bool XMLValidationDTD::validate(const XMLDocument & doc, std::string * error) const
{
bool ret;
xmlValidCtxt *vctxt = xmlNewValidCtxt();
if (errorBuffer)
{
delete errorBuffer;
}
errorBuffer = new std::string("");
if (!vctxt)
{
errorBuffer->append(gettext("Cannot create a valid context"));
*error = *errorBuffer;
return false;
}
vctxt->error = (xmlValidityErrorFunc) XMLValidation::errorFunction;
ret = xmlValidateDtd(vctxt, doc.getRealDocument(), getValidationFile < xmlDtd > ()) == 1;
vctxt->error = 0;
xmlFreeValidCtxt(vctxt);
if (!ret)
{
*error = *errorBuffer;
}
return ret;
}
bool XMLValidationDTD::validate(xmlTextReader * reader, std::string * error) const
{
int last;
int valid;
if (errorBuffer)
{
delete errorBuffer;
}
errorBuffer = new std::string("");
if (!internalValidate)
{
errorBuffer->append(gettext("Due to a libxml2 limitation, it is not possible to validate a document against an external DTD\nPlease see help xmlValidate.\n"));
*error = *errorBuffer;
return false;
}
xmlTextReaderSetParserProp(reader, XML_PARSER_VALIDATE, 1);
xmlTextReaderSetErrorHandler(reader, (xmlTextReaderErrorFunc) XMLValidation::errorReaderFunction, 0);
while ((last = xmlTextReaderRead(reader)) == 1) ;
valid = xmlTextReaderIsValid(reader);
xmlTextReaderSetErrorHandler(reader, 0, 0);
xmlFreeTextReader(reader);
if (last == -1 || valid != 1)
{
*error = *errorBuffer;
return false;
}
return true;
}
const std::string XMLValidationDTD::toString() const
{
std::ostringstream oss;
xmlDtd *dtd = getValidationFile < xmlDtd > ();
oss << "XML DTD" << std::endl;
oss << "name: " << (dtd->name ? (const char *)dtd->name : "") << std::endl;
oss << "external ID: " << (dtd->ExternalID ? (const char *)dtd->ExternalID : "") << std::endl;
oss << "system ID: " << (dtd->SystemID ? (const char *)dtd->SystemID : "");
return oss.str();
}
}
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