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* Copyright (c) 1999-2002 The Apache Software Foundation. All rights
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* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache\@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation, and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.ibm.com . For more information
* on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
*/
// ---------------------------------------------------------------------------
// Includes
// ---------------------------------------------------------------------------
#include <xercesc/util/Janitor.hpp>
#include <xercesc/util/Mutexes.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/util/RuntimeException.hpp>
#include <xercesc/util/UnexpectedEOFException.hpp>
#include <xercesc/util/XMLMsgLoader.hpp>
#include <xercesc/util/XMLRegisterCleanup.hpp>
#include <xercesc/util/XMLUniDefs.hpp>
#include <xercesc/framework/LocalFileInputSource.hpp>
#include <xercesc/framework/URLInputSource.hpp>
#include <xercesc/framework/XMLDocumentHandler.hpp>
#include <xercesc/framework/XMLEntityHandler.hpp>
#include <xercesc/framework/XMLPScanToken.hpp>
#include <xercesc/framework/XMLValidator.hpp>
#include <xercesc/internal/EndOfEntityException.hpp>
#include <xercesc/validators/DTD/DocTypeHandler.hpp>
#include <xercesc/validators/common/GrammarResolver.hpp>
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// ---------------------------------------------------------------------------
// Local static data
// ---------------------------------------------------------------------------
static XMLUInt32 gScannerId;
static bool sRegistered = false;
static XMLMutex* sScannerMutex = 0;
static XMLRegisterCleanup scannerMutexCleanup;
static XMLMsgLoader* gMsgLoader = 0;
static XMLRegisterCleanup cleanupMsgLoader;
// ---------------------------------------------------------------------------
// Local, static functions
// ---------------------------------------------------------------------------
// Cleanup for the message loader
void XMLScanner::reinitMsgLoader()
{
delete gMsgLoader;
gMsgLoader = 0;
}
// Cleanup for the scanner mutex
void XMLScanner::reinitScannerMutex()
{
delete sScannerMutex;
sScannerMutex = 0;
sRegistered = false;
}
//
// We need to fault in this mutex. But, since its used for synchronization
// itself, we have to do this the low level way using a compare and swap.
//
static XMLMutex& gScannerMutex()
{
if (!sScannerMutex)
{
XMLMutex* tmpMutex = new XMLMutex;
if (XMLPlatformUtils::compareAndSwap((void**)&sScannerMutex, tmpMutex, 0))
{
// Someone beat us to it, so let's clean up ours
delete tmpMutex;
}
// Now lock it and try to register it
XMLMutexLock lock(sScannerMutex);
// If we got here first, then register it and set the registered flag
if (!sRegistered)
{
scannerMutexCleanup.registerCleanup(XMLScanner::reinitScannerMutex);
sRegistered = true;
}
}
return *sScannerMutex;
}
static XMLMsgLoader& gScannerMsgLoader()
{
XMLMutexLock lockInit(&gScannerMutex());
// If we haven't loaded our message yet, then do that
if (!gMsgLoader)
{
gMsgLoader = XMLPlatformUtils::loadMsgSet(XMLUni::fgXMLErrDomain);
if (!gMsgLoader)
XMLPlatformUtils::panic(XMLPlatformUtils::Panic_CantLoadMsgDomain);
// Register this object to be cleaned up at termination
cleanupMsgLoader.registerCleanup(XMLScanner::reinitMsgLoader);
}
return *gMsgLoader;
}
// ---------------------------------------------------------------------------
// XMLScanner: Constructors and Destructor
// ---------------------------------------------------------------------------
XMLScanner::XMLScanner(XMLValidator* const valToAdopt) :
fCalculateSrcOfs(false)
, fExitOnFirstFatal(true)
, fValidationConstraintFatal(false)
, fInException(false)
, fStandalone(false)
, fHasNoDTD(true)
, fValidate(false)
, fValidatorFromUser(false)
, fDoSchema(false)
, fSchemaFullChecking(false)
, fToCacheGrammar(false)
, fUseCachedGrammar(false)
, fLoadExternalDTD(true)
, fNormalizeData(true)
, fErrorCount(0)
, fEmptyNamespaceId(0)
, fUnknownNamespaceId(0)
, fXMLNamespaceId(0)
, fXMLNSNamespaceId(0)
, fSchemaNamespaceId(0)
, fScannerId(0)
, fSequenceId(0)
, fAttrList(0)
, fDocHandler(0)
, fDocTypeHandler(0)
, fEntityHandler(0)
, fErrorReporter(0)
, fErrorHandler(0)
, fIDRefList(0)
, fValidator(valToAdopt)
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