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/*
* 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
* 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/>.
*/
/*
* $Id$
*/
#if !defined(EXCEPTION_HPP)
#define EXCEPTION_HPP
#include <xercesc/util/XMemory.hpp>
#include <xercesc/util/XMLExceptMsgs.hpp>
#include <xercesc/util/XMLUni.hpp>
#include <xercesc/framework/XMLErrorReporter.hpp>
// ---------------------------------------------------------------------------
// This is the base class from which all the XML parser exceptions are
// derived. The virtual interface is very simple and most of the functionality
// is in this class.
//
// Because all derivatives are EXACTLY the same except for the static
// string that is used to hold the name of the class, a macro is provided
// below via which they are all created.
// ---------------------------------------------------------------------------
class XMLUTIL_EXPORT XMLException : public XMemory
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{
public:
// -----------------------------------------------------------------------
// Virtual Destructor
// -----------------------------------------------------------------------
virtual ~XMLException();
// -----------------------------------------------------------------------
// The XML exception virtual interface
// -----------------------------------------------------------------------
virtual const XMLCh* getType() const = 0;
// -----------------------------------------------------------------------
// Getter methods
// -----------------------------------------------------------------------
XMLExcepts::Codes getCode() const;
const XMLCh* getMessage() const;
const char* getSrcFile() const;
unsigned int getSrcLine() const;
XMLErrorReporter::ErrTypes getErrorType() const;
// -----------------------------------------------------------------------
// Setter methods
// -----------------------------------------------------------------------
void setPosition(const char* const file, const unsigned int line);
// -----------------------------------------------------------------------
// Hidden constructors and operators
//
// NOTE: Technically, these should be protected, since this is a
// base class that is never used directly. However, VC++ 6.0 will
// fail to catch via a reference to base class if the ctors are
// not public!! This seems to have been caused by the install
// of IE 5.0.
// -----------------------------------------------------------------------
XMLException();
XMLException(const char* const srcFile, const unsigned int srcLine);
XMLException(const XMLException& toCopy);
XMLException& operator=(const XMLException& toAssign);
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// -----------------------------------------------------------------------
// Notification that lazy data has been deleted
// -----------------------------------------------------------------------
static void reinitMsgMutex();
static void reinitMsgLoader();
protected :
// -----------------------------------------------------------------------
// Protected methods
// -----------------------------------------------------------------------
void loadExceptText
(
const XMLExcepts::Codes toLoad
);
void loadExceptText
(
const XMLExcepts::Codes toLoad
, const XMLCh* const text1
, const XMLCh* const text2 = 0
, const XMLCh* const text3 = 0
, const XMLCh* const text4 = 0
);
void loadExceptText
(
const XMLExcepts::Codes toLoad
, const char* const text1
, const char* const text2 = 0
, const char* const text3 = 0
, const char* const text4 = 0
);
private :
// -----------------------------------------------------------------------
// Data members
//
// fCode
// The error code that this exception represents.
//
// fSrcFile
// fSrcLine
// These are the file and line information from the source where the
// exception was thrown from.
//
// fMsg
// The loaded message text for this exception.
// -----------------------------------------------------------------------
XMLExcepts::Codes fCode;
char* fSrcFile;
unsigned int fSrcLine;
XMLCh* fMsg;
};
// ---------------------------------------------------------------------------
// XMLException: Getter methods
// ---------------------------------------------------------------------------
inline XMLExcepts::Codes XMLException::getCode() const
{
return fCode;
}
inline const XMLCh* XMLException::getMessage() const
{
return fMsg;
}
inline const char* XMLException::getSrcFile() const
{
if (!fSrcFile)
return "";
return fSrcFile;
}
inline unsigned int XMLException::getSrcLine() const
{
return fSrcLine;
}
inline XMLErrorReporter::ErrTypes XMLException::getErrorType() const
{
if ((fCode >= XMLExcepts::W_LowBounds) && (fCode <= XMLExcepts::W_HighBounds))
return XMLErrorReporter::ErrType_Warning;
else if ((fCode >= XMLExcepts::F_LowBounds) && (fCode <= XMLExcepts::F_HighBounds))
return XMLErrorReporter::ErrType_Fatal;
else if ((fCode >= XMLExcepts::E_LowBounds) && (fCode <= XMLExcepts::E_HighBounds))
return XMLErrorReporter::ErrType_Error;
return XMLErrorReporter::ErrTypes_Unknown;
}
// ---------------------------------------------------------------------------
// This macro is used to create derived classes. They are all identical
// except the name of the exception, so it crazy to type them in over and
// over.
// ---------------------------------------------------------------------------
#define MakeXMLException(theType, expKeyword) \
class expKeyword theType : public XMLException \
{ \
public: \
\
theType(const char* const srcFile \
, const unsigned int srcLine \
, const XMLExcepts::Codes toThrow) : \
XMLException(srcFile, srcLine) \
{ \
loadExceptText(toThrow); \
} \
\
theType(const theType& toCopy) : \
\
XMLException(toCopy) \
{ \
} \
\
theType(const char* const srcFile \
, const unsigned int srcLine \
, const XMLExcepts::Codes toThrow \
, const XMLCh* const text1 \
, const XMLCh* const text2 = 0 \
, const XMLCh* const text3 = 0 \
, const XMLCh* const text4 = 0) : \
XMLException(srcFile, srcLine) \
{ \
loadExceptText(toThrow, text1, text2, text3, text4); \
} \
\
theType(const char* const srcFile \
, const unsigned int srcLine \
, const XMLExcepts::Codes toThrow \
, const char* const text1 \
, const char* const text2 = 0 \
, const char* const text3 = 0 \
, const char* const text4 = 0) : \
XMLException(srcFile, srcLine) \
{ \
loadExceptText(toThrow, text1, text2, text3, text4); \
} \
\
virtual ~theType() {} \
\
theType& operator=(const theType& toAssign) \
{ \
XMLException::operator=(toAssign); \
return *this; \
} \
\
virtual XMLException* duplicate() const \
{ \
return new theType(*this); \
} \
\
virtual const XMLCh* getType() const \
{ \
return XMLUni::fg##theType##_Name; \
} \
\
private : \
theType(); \
};
// ---------------------------------------------------------------------------
// This macros is used to actually throw an exception. It is used in order
// to make sure that source code line/col info is stored correctly, and to
// give flexibility for other stuff in the future.
// ---------------------------------------------------------------------------
#define ThrowXML(type,code) throw type(__FILE__, __LINE__, code)
#define ThrowXML1(type,code,p1) throw type(__FILE__, __LINE__, code, p1)
#define ThrowXML2(type,code,p1,p2) throw type(__FILE__, __LINE__, code, p1, p2)
#define ThrowXML3(type,code,p1,p2,p3) throw type(__FILE__, __LINE__, code, p1, p2, p3)
#define ThrowXML4(type,code,p1,p2,p3,p4) throw type(__FILE__, __LINE__, code, p1, p2, p3, p4)