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authorTino Rachui <tra@openoffice.org>2001-02-27 06:25:57 +0000
committerTino Rachui <tra@openoffice.org>2001-02-27 06:25:57 +0000
commit0f7fe2044ee1f4c6f4bbf81cb328922d45668208 (patch)
tree6e01f0d6d2baa9adac677c82be0c3e077ee78a73 /dtrans/source/win32/misc/ImplHelper.cxx
parent93cc1b3ff07ae585df48640d9eeaa76c25c6b029 (diff)
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+/*************************************************************************
+ *
+ * $RCSfile: ImplHelper.cxx,v $
+ *
+ * $Revision: 1.1 $
+ *
+ * last change: $Author: tra $ $Date: 2001-02-27 07:25:42 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+
+//------------------------------------------------------------------------
+// includes
+//------------------------------------------------------------------------
+
+#ifndef _OSL_DIAGNOSE_H_
+#include <osl/diagnose.h>
+#endif
+
+#ifndef _IMPLHELPER_HXX_
+#include "ImplHelper.hxx"
+#endif
+
+#ifndef _RTL_TENCINFO_H
+#include <rtl/tencinfo.h>
+#endif
+
+#ifndef _RTL_MEMORY_H_
+#include <rtl/memory.h>
+#endif
+
+#include <windows.h>
+#include <systools/win32/user9x.h>
+
+//------------------------------------------------------------------------
+// namespace directives
+//------------------------------------------------------------------------
+
+using ::com::sun::star::datatransfer::DataFlavor;
+using ::com::sun::star::uno::Sequence;
+using ::rtl::OUString;
+using ::rtl::OString;
+
+//------------------------------------------------------------------------
+// converts a codepage into its string representation
+//------------------------------------------------------------------------
+
+OUString SAL_CALL CodePageToString( sal_Int32 codepage )
+{
+ OSL_ASSERT( IsValidCodePage( codepage ) );
+
+ sal_Unicode cpStr[6];
+ _itow( codepage, cpStr, 10 );
+ return OUString( cpStr, wcslen( cpStr ) );
+}
+
+//------------------------------------------------------------------------
+// convert a mime charset into a windows codepage
+//------------------------------------------------------------------------
+
+sal_Int32 SAL_CALL getWinCodePageFromMimeCharset( const OUString& charset )
+{
+ OString osCharset( charset.getStr( ), charset.getLength( ), CP_ACP );
+
+ rtl_TextEncoding textEnc = rtl_getTextEncodingFromMimeCharset( osCharset.getStr( ) );
+ return rtl_getBestPCCodePageFromTextEncoding( textEnc );
+}
+
+//------------------------------------------------------------------------
+// IsOEMCP
+//------------------------------------------------------------------------
+
+sal_Bool SAL_CALL IsOEMCP( UINT codepage )
+{
+ UINT arrOEMCP[] = { 437, 708, 709,
+ 710, 720, 737,
+ 775, 850, 852,
+ 855, 857, 860,
+ 861, 862, 863,
+ 864, 865, 866,
+ 869, 874, 932,
+ 936, 949, 950,
+ 1361 };
+
+ for ( sal_Int8 i = 0; i < ( sizeof( arrOEMCP )/sizeof( UINT ) ); ++i )
+ if ( arrOEMCP[i] == codepage )
+ return sal_True;
+
+ return sal_False;
+}
+
+//------------------------------------------------------------------------
+// a '==' operator for DataFlavors
+// we compare only MimeType and DataType
+//------------------------------------------------------------------------
+
+sal_Bool SAL_CALL operator==( const DataFlavor& lhs, const DataFlavor& rhs )
+{
+#pragma message( "******************************************" )
+#pragma message( "**************** fix this ****************" )
+#pragma message( "******************************************" )
+
+ return ( ( lhs.MimeType == rhs.MimeType ) &&
+ ( lhs.DataType == rhs.DataType ) );
+}
+
+
+//-------------------------------------------------------------------------
+// OleStdDeleteTargetDevice()
+//
+// Purpose:
+//
+// Parameters:
+//
+// Return Value:
+// SCODE - S_OK if successful
+//-------------------------------------------------------------------------
+
+void SAL_CALL DeleteTargetDevice(DVTARGETDEVICE* ptd)
+{
+ if ( ptd != NULL )
+ CoTaskMemFree( ptd );
+}
+
+
+
+//-------------------------------------------------------------------------
+// OleStdCopyTargetDevice()
+//
+// Purpose:
+// duplicate a TARGETDEVICE struct. this function allocates memory for
+// the copy. the caller MUST free the allocated copy when done with it
+// using the standard allocator returned from CoGetMalloc.
+// (OleStdFree can be used to free the copy).
+//
+// Parameters:
+// ptdSrc pointer to source TARGETDEVICE
+//
+// Return Value:
+// pointer to allocated copy of ptdSrc
+// if ptdSrc==NULL then retuns NULL is returned.
+// if ptdSrc!=NULL and memory allocation fails, then NULL is returned
+//-------------------------------------------------------------------------
+
+DVTARGETDEVICE* SAL_CALL CopyTargetDevice(DVTARGETDEVICE* ptdSrc)
+{
+ DVTARGETDEVICE* ptdDest = NULL;
+
+ if (ptdSrc == NULL)
+ return NULL;
+
+ ptdDest = static_cast< DVTARGETDEVICE* >( CoTaskMemAlloc(ptdSrc->tdSize) );
+ if ( NULL != ptdDest )
+ rtl_copyMemory( ptdDest, ptdSrc, (size_t)ptdSrc->tdSize );
+
+ return ptdDest;
+}
+
+
+//-------------------------------------------------------------------------
+// OleStdCopyFormatEtc()
+//
+// Purpose:
+// Copies the contents of a FORMATETC structure. this function takes
+// special care to copy correctly copying the pointer to the TARGETDEVICE
+// contained within the source FORMATETC structure.
+// if the source FORMATETC has a non-NULL TARGETDEVICE, then a copy
+// of the TARGETDEVICE will be allocated for the destination of the
+// FORMATETC (petcDest).
+//
+// NOTE: the caller MUST free the allocated copy of the TARGETDEVICE
+// within the destination FORMATETC when done with it
+// using the standard allocator returned from CoGetMalloc.
+// (OleStdFree can be used to free the copy).
+//
+// Parameters:
+// petcDest pointer to destination FORMATETC
+// petcSrc pointer to source FORMATETC
+//
+// Return Value:
+// returns TRUE is copy is successful; retuns FALSE if not successful
+//-------------------------------------------------------------------------
+
+sal_Bool SAL_CALL CopyFormatEtc(LPFORMATETC petcDest, LPFORMATETC petcSrc)
+{
+ if ((petcDest == NULL) || (petcSrc == NULL))
+ return sal_False;
+
+ petcDest->cfFormat = petcSrc->cfFormat;
+ petcDest->ptd = CopyTargetDevice(petcSrc->ptd);
+ petcDest->dwAspect = petcSrc->dwAspect;
+ petcDest->lindex = petcSrc->lindex;
+ petcDest->tymed = petcSrc->tymed;
+
+ return sal_True;
+}
+
+//-------------------------------------------------------------------------
+// returns:
+// 0 for exact match,
+// 1 for no match,
+// -1 for partial match (which is defined to mean the left is a subset
+// of the right: fewer aspects, null target device, fewer medium).
+//-------------------------------------------------------------------------
+
+sal_Int32 SAL_CALL CompareFormatEtc(FORMATETC* pFetcLeft, FORMATETC* pFetcRight)
+{
+ sal_Bool bExact = sal_True;
+
+ if (pFetcLeft->cfFormat != pFetcRight->cfFormat)
+ return 1;
+ else if (!CompareTargetDevice (pFetcLeft->ptd, pFetcRight->ptd))
+ return 1;
+
+ if (pFetcLeft->dwAspect == pFetcRight->dwAspect)
+ // same aspects; equal
+ ;
+ else if ((pFetcLeft->dwAspect & ~pFetcRight->dwAspect) != 0)
+ // left not subset of aspects of right; not equal
+ return 1;
+ else
+ // left subset of right
+ bExact = sal_False;
+
+ if (pFetcLeft->tymed == pFetcRight->tymed)
+ // same medium flags; equal
+ ;
+ else if ((pFetcLeft->tymed & ~pFetcRight->tymed) != 0)
+ // left not subset of medium flags of right; not equal
+ return 1;
+ else
+ // left subset of right
+ bExact = sal_False;
+
+ return bExact ? 0 : -1;
+}
+
+
+//-------------------------------------------------------------------------
+//
+//-------------------------------------------------------------------------
+
+sal_Bool SAL_CALL CompareTargetDevice(DVTARGETDEVICE* ptdLeft, DVTARGETDEVICE* ptdRight)
+{
+ if (ptdLeft == ptdRight)
+ // same address of td; must be same (handles NULL case)
+ return sal_True;
+ else if ((ptdRight == NULL) || (ptdLeft == NULL))
+ return sal_False;
+ else if (ptdLeft->tdSize != ptdRight->tdSize)
+ // different sizes, not equal
+ return sal_False;
+ else if (rtl_compareMemory( ptdLeft, ptdRight, ptdLeft->tdSize ) != 0 )
+ // not same target device, not equal
+ return sal_False;
+
+ return sal_True;
+} \ No newline at end of file