// Guid.cpp: implementation of the CGuid class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "Guid.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[]=__FILE__;
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#define new DEBUG_NEW
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#endif
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CGuid::CGuid()
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:m_status(null)
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{
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memset( &m_guid, 0, sizeof(GUID) );
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}
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CGuid::CGuid( const CGuid& ref )
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{
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memcpy( &m_guid, &ref.m_guid, sizeof(GUID) );
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m_status = ref.m_status;
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}
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CGuid::CGuid( const GUID &guid )
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{
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memcpy( &m_guid, &guid, sizeof(GUID) );
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m_status = valid;
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}
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CGuid::CGuid( const CString strSrc )
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{
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BSTR bszSrc;
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CString strGuid;
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if (strSrc.GetLength( ) == 36)
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{
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strGuid = _T("{") + strSrc + _T("}");
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bszSrc = strGuid.AllocSysString();
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}
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else
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bszSrc = strSrc.AllocSysString();
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if (CLSIDFromString( bszSrc, &m_guid ) != S_OK )
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m_status = invalid;
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else
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m_status = valid;
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SysFreeString( bszSrc );
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}
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CGuid::CGuid( LPCWSTR lpszSrc )
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{
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if (CLSIDFromString( (LPWSTR)lpszSrc, &m_guid ) != S_OK )
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m_status = invalid;
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else
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m_status = valid;
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}
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const CGuid& CGuid::operator=(const CGuid& guidSrc)
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{
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memcpy( &m_guid, &guidSrc.m_guid, sizeof(GUID) );
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m_status = guidSrc.m_status;
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return *this;
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}
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const CGuid& CGuid::operator=(const GUID& guidSrc)
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{
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memcpy( &m_guid, &guidSrc, sizeof(GUID) );
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m_status = valid;
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return *this;
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}
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const CGuid& CGuid::operator=(const CString strSrc)
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{
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BSTR bszSrc;
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CString strGuid;
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if (strSrc.GetLength( ) == 36)
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{
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strGuid = _T("{") + strSrc + _T("}");
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bszSrc = strGuid.AllocSysString();
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}
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else
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bszSrc = strSrc.AllocSysString();
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if (CLSIDFromString( bszSrc, &m_guid ) != S_OK )
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{
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m_status = invalid;
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// MDF BY WHB 20111112 Èç¹ûÊÇ¿Õ×Ö·û´®Çå¿Õm_guid
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if (strSrc.IsEmpty( ))
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memset( &m_guid, 0, sizeof(GUID) );
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}
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else
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m_status = valid;
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SysFreeString( bszSrc );
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return *this;
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}
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const CGuid& CGuid::operator=(LPCWSTR lpszSrc)
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{
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if (CLSIDFromString( (LPWSTR)lpszSrc, &m_guid ) != S_OK )
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m_status = invalid;
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else
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m_status = valid;
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return *this;
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}
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bool CGuid::operator==(const CGuid& guid) const
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{
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return (m_status == guid.m_status &&
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IsEqualGUID( m_guid, guid.m_guid ) );
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}
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bool CGuid::operator==(const GUID& guid) const
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{
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return IsEqualGUID( m_guid, guid ) != 0;
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}
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bool CGuid::operator!=(const CGuid& guid) const
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{
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return (m_status != guid.m_status ||
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!IsEqualGUID( m_guid, guid.m_guid ) );
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}
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bool CGuid::operator!=(const GUID& guid) const
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{
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return !IsEqualGUID( m_guid, guid );
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}
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bool CGuid::operator<(const CGuid& guid) const
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{
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return memcmp( &m_guid, &guid.m_guid, sizeof(GUID) ) < 0;
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}
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bool CGuid::operator<(const GUID& guid) const
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{
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return memcmp( &m_guid, &guid, sizeof(GUID) ) < 0;
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}
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bool CGuid::operator>(const CGuid& guid) const
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{
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return memcmp( &m_guid, &guid, sizeof(GUID) ) > 0;
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}
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bool CGuid::operator>(const GUID& guid) const
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{
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return memcmp( &m_guid, &guid, sizeof(GUID) ) > 0;
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}
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CGuid::operator CString() const
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{
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CString strGuid;
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if ( m_status != valid )
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return strGuid;
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OLECHAR szGuid[50];
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StringFromGUID2( m_guid, szGuid, 50 );
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strGuid = szGuid;
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return strGuid;
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}
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CGuid::operator BSTR() const
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{
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BSTR bszGuid = NULL;
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if ( m_status != valid )
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return bszGuid;
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OLECHAR szGuid[50];
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StringFromGUID2( m_guid, szGuid, 50 );
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bszGuid = SysAllocString( szGuid );
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return bszGuid;
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}
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CGuid::operator GUID() const
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{
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return m_guid;
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}
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bool CGuid::IsValid() const
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{
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return m_status == valid;
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}
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bool CGuid::NewID()
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{
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HRESULT hr = CoCreateGuid( &m_guid );
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if ( hr == S_OK )
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{
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m_status = valid;
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return true;
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}
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return false;
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}
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CString CGuid::GetString() const
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{
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CString strGuid;
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if ( m_status != valid )
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return strGuid;
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OLECHAR szGuid[50];
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StringFromGUID2( m_guid, szGuid, 50 );
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strGuid = szGuid;
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return strGuid;
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}
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CString CGuid::GetString1() const
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{
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CString strGuid;
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if ( m_status != valid )
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return strGuid;
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OLECHAR szGuid[50];
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StringFromGUID2( m_guid, szGuid, 50 );
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strGuid = szGuid;
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strGuid = strGuid.Mid( 1, 36 );
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return strGuid;
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}
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bool CGuid::FromString1( CString strSrc )
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{
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if ( strSrc.IsEmpty() )
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return false;
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CString strGuid;
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BSTR bszGuid;
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strSrc.TrimLeft();
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strSrc.TrimRight();
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strGuid.Format( _T( "{%s}" ), strSrc );
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bszGuid = strGuid.AllocSysString();
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if ( CLSIDFromString( bszGuid, &m_guid ) != S_OK )
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m_status = invalid;
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else
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m_status = valid;
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SysFreeString( bszGuid );
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return (valid == m_status);
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}
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