2010-04-14 19:22:32 +02:00
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/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "RelaxNG.h"
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#include "lib/timer.h"
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#include "lib/utf8.h"
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#include "ps/CLogger.h"
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#include <libxml/relaxng.h>
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TIMER_ADD_CLIENT(xml_validation);
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RelaxNGValidator::RelaxNGValidator() :
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m_Schema(NULL)
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{
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}
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RelaxNGValidator::~RelaxNGValidator()
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{
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if (m_Schema)
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xmlRelaxNGFree(m_Schema);
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}
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bool RelaxNGValidator::LoadGrammar(const std::string& grammar)
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{
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TIMER_ACCRUE(xml_validation);
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2011-04-30 15:01:45 +02:00
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ENSURE(m_Schema == NULL);
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2010-04-14 19:22:32 +02:00
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2010-09-05 11:38:30 +02:00
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xmlRelaxNGParserCtxtPtr ctxt = xmlRelaxNGNewMemParserCtxt(grammar.c_str(), (int)grammar.size());
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2010-04-14 19:22:32 +02:00
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m_Schema = xmlRelaxNGParse(ctxt);
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xmlRelaxNGFreeParserCtxt(ctxt);
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if (m_Schema == NULL)
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{
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LOGERROR(L"RelaxNGValidator: Failed to compile schema");
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return false;
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}
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return true;
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}
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bool RelaxNGValidator::Validate(const std::wstring& filename, const std::wstring& document)
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2011-03-26 21:17:21 +01:00
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{
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std::string docutf8 = "<?xml version='1.0' encoding='utf-8'?>" + utf8_from_wstring(document);
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return ValidateEncoded(filename, docutf8);
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}
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bool RelaxNGValidator::ValidateEncoded(const std::wstring& filename, const std::string& document)
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2010-04-14 19:22:32 +02:00
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{
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TIMER_ACCRUE(xml_validation);
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if (!m_Schema)
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{
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LOGERROR(L"RelaxNGValidator: No grammar loaded");
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return false;
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}
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2011-03-26 21:17:21 +01:00
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xmlDocPtr doc = xmlReadMemory(document.c_str(), (int)document.size(), utf8_from_wstring(filename).c_str(), NULL, XML_PARSE_NONET);
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2010-04-14 19:22:32 +02:00
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if (doc == NULL)
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{
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LOGERROR(L"RelaxNGValidator: Failed to parse document");
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return false;
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}
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xmlRelaxNGValidCtxtPtr ctxt = xmlRelaxNGNewValidCtxt(m_Schema);
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int ret = xmlRelaxNGValidateDoc(ctxt, doc);
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xmlRelaxNGFreeValidCtxt(ctxt);
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xmlFreeDoc(doc);
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if (ret == 0)
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{
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return true;
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}
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else if (ret > 0)
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{
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LOGERROR(L"RelaxNGValidator: Validation failed");
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return false;
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}
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else
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{
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LOGERROR(L"RelaxNGValidator: Internal error %d", ret);
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return false;
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}
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}
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