/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2000 The Apache Software Foundation. All rights
* 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
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*
* 5. Products derived from this software may not be called "Apache",
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*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* 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
* .
*/
/*
* $Id: XMLException.cpp,v 1.1.1.1 2002/02/01 22:22:15 peiyongz Exp $
*/
// ---------------------------------------------------------------------------
// Includes
// ---------------------------------------------------------------------------
#include
#include
#include
#include
#include
#include
#include
#include
// ---------------------------------------------------------------------------
// Local data
//
// gDefErrMsg
// For now, if we cannot load an exception message, we load up the
// default.
// ---------------------------------------------------------------------------
static const XMLCh gDefErrMsg[] =
{
chLatin_C, chLatin_o, chLatin_u, chLatin_l, chLatin_d
, chSpace, chLatin_n, chLatin_o, chLatin_t, chSpace
, chLatin_l, chLatin_o, chLatin_a, chLatin_d, chSpace
, chLatin_m, chLatin_e, chLatin_s, chLatin_s, chLatin_a
, chLatin_g, chLatin_e, chNull
};
// ---------------------------------------------------------------------------
// Local, static data
// ---------------------------------------------------------------------------
static XMLMsgLoader* sMsgLoader = 0;
static XMLRegisterCleanup msgLoaderCleanup;
static XMLMutex* sMsgMutex = 0;
static XMLRegisterCleanup msgMutexCleanup;
// ---------------------------------------------------------------------------
// Local, static functions
// ---------------------------------------------------------------------------
//
// 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& gMsgMutex()
{
if (!sMsgMutex)
{
XMLMutex* tmpMutex = new XMLMutex;
if (XMLPlatformUtils::compareAndSwap((void**)&sMsgMutex, tmpMutex, 0))
{
// Some other thread beat us to it, so let's clean up ours.
delete tmpMutex;
}
else
{
// This is the real mutex. Register it for cleanup at Termination.
msgMutexCleanup.registerCleanup(XMLException::reinitMsgMutex);
}
}
return *sMsgMutex;
}
//
// This method is a lazy evaluator for the message loader for exception
// messages.
//
static XMLMsgLoader& gGetMsgLoader()
{
// Lock the message loader mutex and load the text
XMLMutexLock lockInit(&gMsgMutex());
// Fault it in on first request
if (!sMsgLoader)
{
sMsgLoader = XMLPlatformUtils::loadMsgSet(XMLUni::fgExceptDomain);
if (!sMsgLoader)
XMLPlatformUtils::panic(XMLPlatformUtils::Panic_CantLoadMsgDomain);
//
// Register this XMLMsgLoader for cleanup at Termination.
//
msgLoaderCleanup.registerCleanup(XMLException::reinitMsgLoader);
}
// We got it, so return it
return *sMsgLoader;
}
// ---------------------------------------------------------------------------
// XMLException: Virtual destructor
// ---------------------------------------------------------------------------
XMLException::~XMLException()
{
delete [] fMsg;
delete [] fSrcFile;
}
// ---------------------------------------------------------------------------
// XMLException: Setter methods
// ---------------------------------------------------------------------------
void XMLException::setPosition(const char* const file, const unsigned int line)
{
fSrcLine = line;
delete [] fSrcFile;
fSrcFile = XMLString::replicate(file);
}
// ---------------------------------------------------------------------------
// XMLException: Hidden constructors and operators
// ---------------------------------------------------------------------------
XMLException::XMLException() :
fCode(XMLExcepts::NoError)
, fSrcFile(0)
, fSrcLine(0)
, fMsg(0)
{
}
XMLException::XMLException( const char* const srcFile
, const unsigned int srcLine) :
fCode(XMLExcepts::NoError)
, fSrcFile(0)
, fSrcLine(srcLine)
, fMsg(0)
{
fSrcFile = XMLString::replicate(srcFile);
}
XMLException::XMLException(const XMLException& toCopy) :
fCode(toCopy.fCode)
, fSrcFile(0)
, fSrcLine(toCopy.fSrcLine)
, fMsg(XMLString::replicate(toCopy.fMsg))
{
if (toCopy.fSrcFile)
fSrcFile = XMLString::replicate(toCopy.fSrcFile);
}
void XMLException::operator=(const XMLException& toAssign)
{
if (this != &toAssign)
{
delete [] fSrcFile;
fSrcFile = 0;
delete [] fMsg;
fMsg = 0;
fSrcLine = toAssign.fSrcLine;
fCode = toAssign.fCode;
if (toAssign.fMsg)
fMsg = XMLString::replicate(toAssign.fMsg);
if (toAssign.fSrcFile)
fSrcFile = XMLString::replicate(toAssign.fSrcFile);
}
}
// ---------------------------------------------------------------------------
// XMLException: Protected methods
// ---------------------------------------------------------------------------
void XMLException::loadExceptText(const XMLExcepts::Codes toLoad)
{
// Store the error code
fCode = toLoad;
// Load up the text into a local buffer
const unsigned int msgSize = 2047;
XMLCh errText[msgSize + 1];
// load the text
if (!gGetMsgLoader().loadMsg(toLoad, errText, msgSize))
{
fMsg = XMLString::replicate(gDefErrMsg);
return;
}
// We got the text so replicate it into the message member
fMsg = XMLString::replicate(errText);
}
void
XMLException::loadExceptText(const XMLExcepts::Codes toLoad
, const XMLCh* const text1
, const XMLCh* const text2
, const XMLCh* const text3
, const XMLCh* const text4)
{
// Store the error code
fCode = toLoad;
// Load up the text into a local buffer
const unsigned int msgSize = 4095;
XMLCh errText[msgSize + 1];
// load the text
if (!gGetMsgLoader().loadMsg(toLoad, errText, msgSize, text1, text2, text3, text4))
{
fMsg = XMLString::replicate(gDefErrMsg);
return;
}
// We got the text so replicate it into the message member
fMsg = XMLString::replicate(errText);
}
void
XMLException::loadExceptText(const XMLExcepts::Codes toLoad
, const char* const text1
, const char* const text2
, const char* const text3
, const char* const text4)
{
// Store the error code
fCode = toLoad;
// Load up the text into a local buffer
const unsigned int msgSize = 4095;
XMLCh errText[msgSize + 1];
// load the text
if (!gGetMsgLoader().loadMsg(toLoad, errText, msgSize, text1, text2, text3, text4))
{
fMsg = XMLString::replicate(gDefErrMsg);
return;
}
// We got the text so replicate it into the message member
fMsg = XMLString::replicate(errText);
}
// -----------------------------------------------------------------------
// Reinitialise the message mutex
// -----------------------------------------------------------------------
void XMLException::reinitMsgMutex()
{
delete sMsgMutex;
sMsgMutex = 0;
}
// -----------------------------------------------------------------------
// Reinitialise the message loader
// -----------------------------------------------------------------------
void XMLException::reinitMsgLoader()
{
delete sMsgLoader;
sMsgLoader = 0;
}