139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
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//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2000 Microsoft Corporation
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//
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// Module Name:
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// CException.h
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//
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// Description:
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// This file contains the declarations of base class for all exception
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// classes.
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//
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// Implementation File:
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// None.
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//
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// Maintained By:
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// Vij Vasu (Vvasu) 26-APR-2000
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//
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//////////////////////////////////////////////////////////////////////////////
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// Make sure that this file is included only once per compile path.
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#pragma once
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//////////////////////////////////////////////////////////////////////////////
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// Include Files
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//////////////////////////////////////////////////////////////////////////////
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// For HRESULT, WCHAR, etc.
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#include <windef.h>
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//////////////////////////////////////////////////////////////////////
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// Macro Definitions
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//////////////////////////////////////////////////////////////////////////////
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//
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// Shorthand for throwing different exceptions.
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//
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#define THROW_EXCEPTION( _hrErrorCode ) \
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throw CException( _hrErrorCode, TEXT( __FILE__ ), __LINE__ )
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// class CException
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//
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// Description:
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// The CException is the base class for all exceptions thrown by
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// functions defined in this library.
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//
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// An object of this class must have the m_hrErrorCode, m_pszFile and
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// m_uiLineNumber members initialized.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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class CException
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{
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public:
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//////////////////////////////////////////////////////////////////////////
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// Public constructors and destructors
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//////////////////////////////////////////////////////////////////////////
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// Constructor.
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CException(
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HRESULT hrErrorCodeIn
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, const WCHAR * pszFileNameIn
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, UINT uiLineNumberIn
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) throw()
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: m_hrErrorCode( hrErrorCodeIn )
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, m_pszFileName( pszFileNameIn )
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, m_uiLineNumber( uiLineNumberIn )
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{
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}
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// Copy constructor.
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CException( const CException & ceSrcIn ) throw()
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: m_hrErrorCode( ceSrcIn.m_hrErrorCode )
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, m_pszFileName( ceSrcIn.m_pszFileName )
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, m_uiLineNumber( ceSrcIn.m_uiLineNumber )
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{
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}
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// Default virtual destructor.
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virtual
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~CException() throw() {}
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//////////////////////////////////////////////////////////////////////////
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// Public Methods
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//////////////////////////////////////////////////////////////////////////
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// Assignment operator.
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const CException &
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operator =( const CException & ceSrcIn ) throw()
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{
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m_hrErrorCode = ceSrcIn.m_hrErrorCode;
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m_pszFileName = ceSrcIn.m_pszFileName;
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m_uiLineNumber = ceSrcIn.m_uiLineNumber;
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return *this;
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}
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//
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// Accessor methods.
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//
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HRESULT
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HrGetErrorCode() const throw() { return m_hrErrorCode; }
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void
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SetErrorCode( HRESULT hrNewCode ) throw() { m_hrErrorCode = hrNewCode; }
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const WCHAR *
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PszGetThrowingFile() const throw() { return m_pszFileName; }
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UINT
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UiGetThrowingLine() const throw() { return m_uiLineNumber; }
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private:
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//////////////////////////////////////////////////////////////////////////
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// Private members
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//////////////////////////////////////////////////////////////////////////
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// Default construction is not allowed.
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CException();
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//////////////////////////////////////////////////////////////////////////
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// Private data
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//////////////////////////////////////////////////////////////////////////
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HRESULT m_hrErrorCode;
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const WCHAR * m_pszFileName;
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UINT m_uiLineNumber;
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}; //*** class CException
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