77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these librararies and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $XConsortium: TranslateInputCodingSystem.C /main/1 1996/07/29 17:06:28 cde-hp $ */
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// Copyright (c) 1995 James Clark
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// See the file COPYING for copying permission.
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#include "splib.h"
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#include "TranslateInputCodingSystem.h"
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#ifdef SP_NAMESPACE
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namespace SP_NAMESPACE {
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#endif
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class TranslateDecoder : public Decoder {
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public:
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TranslateDecoder(const Char *table);
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size_t decode(Char *to, const char *from, size_t fromLen,
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const char **rest);
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Boolean convertOffset(unsigned long &offset) const;
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private:
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const Char *table_;
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};
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TranslateInputCodingSystem::TranslateInputCodingSystem(const Char *table)
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: table_(table)
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{
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}
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Decoder *TranslateInputCodingSystem::makeDecoder() const
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{
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return new TranslateDecoder(table_);
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}
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TranslateDecoder::TranslateDecoder(const Char *table)
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: table_(table)
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{
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}
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size_t TranslateDecoder::decode(Char *to, const char *from, size_t fromLen,
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const char **rest)
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{
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for (size_t n = fromLen; n > 0; n--)
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*to++ = table_[(unsigned char)*from++]; // zero extend
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*rest = from;
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return fromLen;
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}
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Boolean TranslateDecoder::convertOffset(unsigned long &) const
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{
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return true;
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}
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#ifdef SP_NAMESPACE
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}
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#endif
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