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/***************************************************************************
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* fqterm, a terminal emulator for both BBS and *nix. *
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* Copyright (C) 2008 fqterm development group. *
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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 2 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, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. *
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***************************************************************************/
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#ifndef FQTERM_FQWCWIDTH_H
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#define FQTERM_FQWCWIDTH_H
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#define uint32_t unsigned __int32
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#define uint16_t unsigned __int16
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typedef wchar_t UTF16;
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typedef uint16_t UTF16;
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typedef char Verify_UTF16_Is_Two_Bytes[
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(sizeof(UTF16) == 2)? 1 : -1];
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//const uint16_t URC = 0xfffd; // the Unicode Replacement Character
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// TODO_UTF16: 0xfffd is of width 2, which is not desired.
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const uint16_t URC = '?'; // use '?' instead of the Unicode Replacement Character
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const int MAX_CELLS_PER_CHAR = 2;
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int get_str_width(uint32_t ucs);
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int get_str_width(const uint32_t *pwcs, size_t n);
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int get_str_width(const UTF16 *utf16_str, size_t n);
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int get_str_width(const UTF16 *utf16_str, size_t n, int max_width, int &element_consumed);
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// Move p to next code point in max_n UTF16 characters.
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// Return the width of the current code point.
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int mk_advance_one_code_point(const UTF16 **p, const UTF16 *end);
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// Move p to next code point in max_n UTF16 characters.
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int mk_advace_at_least_one_cell(const UTF16 **p, const UTF16 *end);
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#endif // FQTERM_FQWCWIDTH_H
added
removed
src/utilities/fqwcwidth.h
