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42 lines
1.5 KiB
C++
42 lines
1.5 KiB
C++
/*
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unicode.cpp
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Copyright (C) 2007 Acekard, www.acekard.com
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Copyright (C) 2008 somebody
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Copyright (C) 2009 yellow wood goblin
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "unicode.h"
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std::string unicode_to_local_string(const u16* unicode_string, size_t length, bool* defCharUsed) {
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if (defCharUsed) *defCharUsed = false;
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std::string ret;
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const u16* end = unicode_string + length;
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while (*unicode_string && unicode_string < end) {
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u16 data = *unicode_string++;
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if (data < 0x80) {
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ret.push_back(data);
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} else if (data < 0x800) {
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ret.push_back(0xc0 | ((data >> 6) & 0x1f));
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ret.push_back(0x80 | (data & 0x3f));
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} else {
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ret.push_back(0xe0 | ((data >> 12) & 0x0f));
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ret.push_back(0x80 | ((data >> 6) & 0x3f));
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ret.push_back(0x80 | (data & 0x3f));
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}
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}
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return ret;
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}
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