117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
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/* FriBidi
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* fribidi-char-sets-cp1255.c - CP1255 character set conversion routines
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*
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* $Id: fribidi-char-sets-cp1255.c,v 1.3 2008-04-22 19:50:46 behdad Exp $
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* $Author: behdad $
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* $Date: 2008-04-22 19:50:46 $
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* $Revision: 1.3 $
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* $Source: /home/behdad/src/fdo/fribidi/togit/git/../fribidi/fribidi2/charset/fribidi-char-sets-cp1255.c,v $
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*
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* Authors:
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* Behdad Esfahbod, 2001, 2002, 2004
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* Dov Grobgeld, 1999, 2000
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*
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* Copyright (C) 2004 Sharif FarsiWeb, Inc
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* Copyright (C) 2001,2002 Behdad Esfahbod
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* Copyright (C) 1999,2000 Dov Grobgeld
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library, in a file named COPYING; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA
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*
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* For licensing issues, contact <license@farsiweb.info>.
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*/
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#include <common.h>
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#include <fribidi-char-sets-cp1255.h>
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#define ISO_ALEF 0xE0
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#define ISO_TAV 0xFA
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#define CP1255_SHEVA 0xC0
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#define CP1255_SOF_PASUQ 0xD3
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#define CP1255_DOUBLE_VAV 0xD4
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#define CP1255_GERSHAYIM 0xD8
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#define CP1255_LRM 0xFD
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#define CP1255_RLM 0xFE
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#define UNI_ALEF 0x05D0
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#define UNI_TAV 0x05EA
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#define UNI_SHEVA 0x05B0
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#define UNI_SOF_PASUQ 0x05C3
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#define UNI_DOUBLE_VAV 0x05F0
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#define UNI_GERSHAYIM 0x05F4
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#define UNI_LRM 0x200E
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#define UNI_RLM 0x200F
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static FriBidiChar fribidi_cp1255_to_unicode_tab[] = { /* 0x80-0xBF */
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0x20AC, 0x0081, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
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0x02C6, 0x2030, 0x008a, 0x2039, 0x008c, 0x008d, 0x008e, 0x008f,
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0x0090, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
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0x02DC, 0x2122, 0x009a, 0x203A, 0x009c, 0x009d, 0x009e, 0x009f,
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0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x20AA, 0x00A5, 0x00A6, 0x00A7,
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0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
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0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
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0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF
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};
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FriBidiChar
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fribidi_cp1255_to_unicode_c (
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/* input */
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char sch
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)
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{
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register unsigned char ch = (unsigned char) sch;
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if (ch >= ISO_ALEF && ch <= ISO_TAV)
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return ch - ISO_ALEF + UNI_ALEF;
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else if (ch >= CP1255_SHEVA && ch <= CP1255_SOF_PASUQ)
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return ch - CP1255_SHEVA + UNI_SHEVA;
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else if (ch >= CP1255_DOUBLE_VAV && ch <= CP1255_GERSHAYIM)
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return ch - CP1255_DOUBLE_VAV + UNI_DOUBLE_VAV;
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/* cp1256 specific chars */
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else if (ch >= 0x80 && ch <= 0xbf)
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return fribidi_cp1255_to_unicode_tab[ch - 0x80];
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else if (ch == CP1255_LRM || ch == CP1255_RLM)
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return ch - CP1255_LRM + UNI_LRM;
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/* treat LRM/LRM charrectes correctly */
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else
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return ch;
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}
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char
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fribidi_unicode_to_cp1255_c (
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/* input */
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FriBidiChar uch
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)
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{
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if (uch >= UNI_ALEF && uch <= UNI_TAV)
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return (char) (uch - UNI_ALEF + ISO_ALEF);
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if (uch >= UNI_SHEVA && uch <= UNI_SOF_PASUQ)
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return (char) (uch - UNI_SHEVA + CP1255_SHEVA);
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if (uch >= UNI_DOUBLE_VAV && uch <= UNI_GERSHAYIM)
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return (char) (uch - UNI_DOUBLE_VAV + CP1255_DOUBLE_VAV);
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/* TODO: handle pre-composed and presentation chars */
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if (uch == UNI_LRM || uch==UNI_RLM)
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return (char) (uch - UNI_LRM + CP1255_LRM);
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/* Treat LRM/RLM charrecters correctly */
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else if (uch < 256)
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return (char) uch;
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else
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return '?';
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}
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/* Editor directions:
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* vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
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*/
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