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/* FriBidi
* fribidi-char-sets-cp1255.c - CP1255 character set conversion routines
*
* Authors:
* Behdad Esfahbod, 2001, 2002, 2004
* Dov Grobgeld, 1999, 2000
*
* Copyright (C) 2004 Sharif FarsiWeb, Inc
* Copyright (C) 2001,2002 Behdad Esfahbod
* Copyright (C) 1999,2000 Dov Grobgeld
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library, in a file named COPYING; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA
*
* For licensing issues, contact <fribidi.license@gmail.com>.
*/
#include <common.h>
#include <fribidi-char-sets-cp1255.h>
#define ISO_ALEF 0xE0
#define ISO_TAV 0xFA
#define CP1255_SHEVA 0xC0
#define CP1255_SOF_PASUQ 0xD3
#define CP1255_DOUBLE_VAV 0xD4
#define CP1255_GERSHAYIM 0xD8
#define CP1255_LRM 0xFD
#define CP1255_RLM 0xFE
#define UNI_ALEF 0x05D0
#define UNI_TAV 0x05EA
#define UNI_SHEVA 0x05B0
#define UNI_SOF_PASUQ 0x05C3
#define UNI_DOUBLE_VAV 0x05F0
#define UNI_GERSHAYIM 0x05F4
#define UNI_LRM 0x200E
#define UNI_RLM 0x200F
static FriBidiChar fribidi_cp1255_to_unicode_tab[] = { /* 0x80-0xBF */
0x20AC, 0x0081, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
0x02C6, 0x2030, 0x008a, 0x2039, 0x008c, 0x008d, 0x008e, 0x008f,
0x0090, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
0x02DC, 0x2122, 0x009a, 0x203A, 0x009c, 0x009d, 0x009e, 0x009f,
0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x20AA, 0x00A5, 0x00A6, 0x00A7,
0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF
};
FriBidiChar
fribidi_cp1255_to_unicode_c (
/* input */
char sch
)
{
register unsigned char ch = (unsigned char) sch;
if (ch >= ISO_ALEF && ch <= ISO_TAV)
return ch - ISO_ALEF + UNI_ALEF;
else if (ch >= CP1255_SHEVA && ch <= CP1255_SOF_PASUQ)
return ch - CP1255_SHEVA + UNI_SHEVA;
else if (ch >= CP1255_DOUBLE_VAV && ch <= CP1255_GERSHAYIM)
return ch - CP1255_DOUBLE_VAV + UNI_DOUBLE_VAV;
/* cp1256 specific chars */
else if (ch >= 0x80 && ch <= 0xbf)
return fribidi_cp1255_to_unicode_tab[ch - 0x80];
else if (ch == CP1255_LRM || ch == CP1255_RLM)
return ch - CP1255_LRM + UNI_LRM;
/* treat LRM/LRM charrectes correctly */
else
return ch;
}
char
fribidi_unicode_to_cp1255_c (
/* input */
FriBidiChar uch
)
{
if (uch >= UNI_ALEF && uch <= UNI_TAV)
return (char) (uch - UNI_ALEF + ISO_ALEF);
if (uch >= UNI_SHEVA && uch <= UNI_SOF_PASUQ)
return (char) (uch - UNI_SHEVA + CP1255_SHEVA);
if (uch >= UNI_DOUBLE_VAV && uch <= UNI_GERSHAYIM)
return (char) (uch - UNI_DOUBLE_VAV + CP1255_DOUBLE_VAV);
/* TODO: handle pre-composed and presentation chars */
if (uch == UNI_LRM || uch==UNI_RLM)
return (char) (uch - UNI_LRM + CP1255_LRM);
/* Treat LRM/RLM charrecters correctly */
else if (uch < 256)
return (char) uch;
else
return '?';
}
/* Editor directions:
* vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
*/
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