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92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
// Created on: 2016-02-23
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// Created by: Kirill Gavrilov
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// Copyright (c) 2016 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#if defined(_WIN32)
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#include <windows.h>
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#endif
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#include <NCollection_UtfString.hxx>
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#if !defined(__ANDROID__)
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//=======================================================================
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//function : ~NCollection_UtfStringTool
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//purpose :
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//=======================================================================
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NCollection_UtfStringTool::~NCollection_UtfStringTool()
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{
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delete[] myWideBuffer;
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}
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//=======================================================================
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//function : FromLocale()
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//purpose :
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//=======================================================================
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wchar_t* NCollection_UtfStringTool::FromLocale (const char* theString)
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{
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if (myWideBuffer != NULL)
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{
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delete[] myWideBuffer;
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myWideBuffer = NULL;
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}
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#if defined(_WIN32)
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// use WinAPI
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int aWideSize = MultiByteToWideChar (CP_ACP, MB_PRECOMPOSED, theString, -1, NULL, 0);
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if (aWideSize <= 0)
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{
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return NULL;
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}
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myWideBuffer = new wchar_t[aWideSize + 1];
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MultiByteToWideChar (CP_ACP, MB_PRECOMPOSED, theString, -1, myWideBuffer, aWideSize);
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myWideBuffer[aWideSize] = L'\0';
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#else
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// this is size in bytes but should probably be enough to store string in wide chars
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// notice that these functions are sensitive to locale set by application!
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int aMbLen = mblen (theString, MB_CUR_MAX);
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if (aMbLen <= 0)
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{
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return NULL;
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}
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myWideBuffer = new wchar_t[aMbLen + 1];
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mbstowcs (myWideBuffer, theString, aMbLen);
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myWideBuffer[aMbLen] = L'\0';
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#endif
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return myWideBuffer;
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}
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//=======================================================================
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//function : ToLocale()
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//purpose :
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//=======================================================================
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bool NCollection_UtfStringTool::ToLocale (const wchar_t* theWideString,
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char* theBuffer,
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const Standard_Integer theSizeBytes)
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{
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#if defined(_WIN32)
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int aMbBytes = WideCharToMultiByte (CP_ACP, 0, theWideString, -1, theBuffer, theSizeBytes, NULL, NULL);
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#else
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std::size_t aMbBytes = std::wcstombs (theBuffer, theWideString, theSizeBytes);
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#endif
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if (aMbBytes <= 0)
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{
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*theBuffer = '\0';
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return false;
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}
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return true;
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}
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#endif
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