/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 * 

 *      http://www.apache.org/licenses/LICENSE-2.0

 * 

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/*

 * $Id: XMLException.hpp 568078 2007-08-21 11:43:25Z amassari $

 */

#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>

XERCES_CPP_NAMESPACE_BEGIN

// ---------------------------------------------------------------------------

//  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

{

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, MemoryManager* const memoryManager = 0);

    XMLException(const XMLException& toCopy);

    XMLException& operator=(const XMLException& toAssign);

    // -----------------------------------------------------------------------

    //  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;

protected:

    MemoryManager*          fMemoryManager;

};

// ---------------------------------------------------------------------------

//  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 \

            , MemoryManager*            memoryManager = 0) : \

        XMLException(srcFile, srcLine, memoryManager) \

    { \

        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 \

            , MemoryManager*            memoryManager = 0) : \

        XMLException(srcFile, srcLine, memoryManager) \

    { \

        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 \

            , MemoryManager*            memoryManager = 0) : \

        XMLException(srcFile, srcLine, memoryManager) \

    { \

        loadExceptText(toThrow, text1, text2, text3, text4); \

    } \

 \

    virtual ~theType() {} \

 \

    theType& operator=(const theType& toAssign) \

    { \

        XMLException::operator=(toAssign); \

        return *this; \

    } \

 \

    virtual XMLException* duplicate() const \

    { \

        return new (fMemoryManager) 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)

#define ThrowXMLwithMemMgr(type,code,memMgr) throw type(__FILE__, __LINE__, code, memMgr)

#define ThrowXMLwithMemMgr1(type,code,p1,memMgr) throw type(__FILE__, __LINE__, code, p1, 0, 0, 0, memMgr)

#define ThrowXMLwithMemMgr2(type,code,p1,p2,memMgr) throw type(__FILE__, __LINE__, code, p1, p2, 0, 0, memMgr)

#define ThrowXMLwithMemMgr3(type,code,p1,p2,p3,memMgr) throw type(__FILE__, __LINE__, code, p1, p2, p3, 0, memMgr)

#define ThrowXMLwithMemMgr4(type,code,p1,p2,p3,p4,memMgr) throw type(__FILE__, __LINE__, code, p1, p2, p3, p4, memMgr)

XERCES_CPP_NAMESPACE_END

#endif