107 lines
3.1 KiB
C++
107 lines
3.1 KiB
C++
//-----------------------------------------------------------------------------
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// Project : SDK Core
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//
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// Category : SDK Core Interfaces
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// Filename : pluginterfaces/base/conststringtable.cpp
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// Created by : Steinberg, 09/2007
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// Description : constant unicode string table
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//
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//-----------------------------------------------------------------------------
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// This file is part of a Steinberg SDK. It is subject to the license terms
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// in the LICENSE file found in the top-level directory of this distribution
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// and at www.steinberg.net/sdklicenses.
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// No part of the SDK, including this file, may be copied, modified, propagated,
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// or distributed except according to the terms contained in the LICENSE file.
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//-----------------------------------------------------------------------------
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#include "conststringtable.h"
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#include <cstring>
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#include <map>
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namespace Steinberg {
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static std::map<const char8*, char16*>* stringMap;
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static std::map<const char8, char16>* charMap;
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static char16* generateUTF16 (const char8* str);
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//----------------------------------------------------------------------------
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ConstStringTable* ConstStringTable::instance ()
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{
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static ConstStringTable stringTable;
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return &stringTable;
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}
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//----------------------------------------------------------------------------
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const char16* ConstStringTable::getString (const char8* str) const
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{
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std::map<const char8*, char16*>::iterator iter = stringMap->find (str);
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if (iter != stringMap->end ())
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return iter->second;
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char16* uStr = generateUTF16 (str);
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stringMap->insert (std::make_pair (str, uStr));
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return uStr;
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}
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//----------------------------------------------------------------------------
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const char16 ConstStringTable::getString (const char8 str) const
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{
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std::map<const char8, char16>::iterator iter = charMap->find (str);
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if (iter != charMap->end ())
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return iter->second;
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char16 uStr = 0;
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#if BYTEORDER == kBigEndian
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char8* puStr = (char8*)&uStr;
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puStr[1] = str;
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#else
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uStr = str;
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#endif
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charMap->insert (std::make_pair (str, uStr));
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return uStr;
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}
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//----------------------------------------------------------------------------
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ConstStringTable::ConstStringTable ()
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{
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stringMap = new std::map<const char8*, char16*>;
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charMap = new std::map<const char8, char16>;
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}
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//----------------------------------------------------------------------------
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ConstStringTable::~ConstStringTable ()
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{
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// free out allocated strings
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{
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std::map<const char8*, char16*>::iterator iter = stringMap->begin ();
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while (iter != stringMap->end ())
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{
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delete[] iter->second;
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iter++;
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}
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} // delete iterator on map before deleting the map
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delete stringMap;
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delete charMap;
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}
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//----------------------------------------------------------------------------
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char16* generateUTF16 (const char8* str)
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{
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int32 len = (int32)strlen (str);
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char16* result = new char16[len + 1];
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for (int32 i = 0; i < len; i++)
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{
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#if BYTEORDER == kBigEndian
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char8* pChr = (char8*)&result[i];
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pChr[0] = 0;
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pChr[1] = str[i];
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#else
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result[i] = str[i];
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#endif
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}
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result[len] = 0;
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return result;
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}
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//------------------------------------------------------------------------
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} // namespace Steinberg
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