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302 lines
12 KiB
C
302 lines
12 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP HTML Embedded Scripting Language Version 3.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
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+----------------------------------------------------------------------+
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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 one of the following licenses: |
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| |
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| A) the GNU 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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| B) the PHP License as published by the PHP Development Team and |
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| included in the distribution in the file: LICENSE |
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| |
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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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| |
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| You should have received a copy of both licenses referred to here. |
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| If you did not, or have any questions about PHP licensing, please |
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| contact core@php.net. |
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+----------------------------------------------------------------------+
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| Authors: Kirill Maximov (kir@rus.net |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <string.h>
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#include <errno.h>
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#include "php.h"
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#include "cyr_convert.h"
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#include <stdio.h>
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/*****************************************************************************
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* This is codetables for different Cyrillic charsets (relative to koi8-r).
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* Each table contains data for 128-255 symbols from ASCII table.
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* First 256 symbols are for conversion from koi8-r to corresponding charset,
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* second 256 symbols are for reverse conversion, from charset to koi8-r.
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*
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* Here we have the following tables:
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* _cyr_win1251 - for windows-1251 charset
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* _cyr_iso88595 - for iso8859-5 charset
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* _cyr_cp866 - for x-cp866 charset
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* _cyr_mac - for x-mac-cyrillic charset
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*
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*****************************************************************************/
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typedef unsigned char _cyr_charset_table[512];
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const static _cyr_charset_table _cyr_win1251 = {
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0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
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48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
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64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
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80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
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96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
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46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,
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46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,
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46,46,46,46,46,46,46,46,179,46,32,46,46,46,46,32,
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46,46,46,46,46,46,46,46,163,46,32,46,46,46,46,32,
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225,226,247,231,228,229,246,250,233,234,235,236,237,238,239,240,
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242,243,244,245,230,232,227,254,251,253,255,249,248,252,224,241,
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193,194,215,199,196,197,214,218,201,202,203,204,205,206,207,208,
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210,211,212,213,198,200,195,222,219,221,223,217,216,220,192,209,
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0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
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48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
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64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
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80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
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96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
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32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,184,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,168,32,32,32,32,32,32,32,32,32,32,32,32,
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254,224,225,246,228,229,244,227,245,232,233,234,235,236,237,238,
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239,255,240,241,242,243,230,226,252,251,231,248,253,249,247,250,
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222,192,193,214,196,197,212,195,213,200,201,202,203,204,205,206,
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207,223,208,209,210,211,198,194,220,219,199,216,221,217,215,218,
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},
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_cyr_cp866 = {
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0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
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48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
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64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
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80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
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96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
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225,226,247,231,228,229,246,250,233,234,235,236,237,238,239,240,
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242,243,244,245,230,232,227,254,251,253,255,249,248,252,224,241,
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193,194,215,199,196,197,214,218,201,202,203,204,205,206,207,208,
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35,35,35,124,124,124,124,43,43,124,124,43,43,43,43,43,
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43,45,45,124,45,43,124,124,43,43,45,45,124,45,43,45,
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45,45,45,43,43,43,43,43,43,43,43,35,35,124,124,35,
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210,211,212,213,198,200,195,222,219,221,223,217,216,220,192,209,
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179,163,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
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48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
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64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
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80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
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96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
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32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,241,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,240,32,32,32,32,32,32,32,32,32,32,32,32,
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238,160,161,230,164,165,228,163,229,168,169,170,171,172,173,174,
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175,239,224,225,226,227,166,162,236,235,167,232,237,233,231,234,
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158,128,129,150,132,133,148,131,149,136,137,138,139,140,141,142,
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143,159,144,145,146,147,134,130,156,155,135,152,157,153,151,154,
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},
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_cyr_iso88595 = {
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0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
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48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
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64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
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80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
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96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
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32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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32,179,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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225,226,247,231,228,229,246,250,233,234,235,236,237,238,239,240,
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242,243,244,245,230,232,227,254,251,253,255,249,248,252,224,241,
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193,194,215,199,196,197,214,218,201,202,203,204,205,206,207,208,
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210,211,212,213,198,200,195,222,219,221,223,217,216,220,192,209,
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32,163,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
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48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
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64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
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80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
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96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
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32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,241,32,32,32,32,32,32,32,32,32,32,32,32,
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32,32,32,161,32,32,32,32,32,32,32,32,32,32,32,32,
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238,208,209,230,212,213,228,211,229,216,217,218,219,220,221,222,
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223,239,224,225,226,227,214,210,236,235,215,232,237,233,231,234,
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206,176,177,198,180,181,196,179,197,184,185,186,187,188,189,190,
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191,207,192,193,194,195,182,178,204,203,183,200,205,201,199,202,
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},
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_cyr_mac = {
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0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
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48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
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64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
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80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
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96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
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225,226,247,231,228,229,246,250,233,234,235,236,237,238,239,240,
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242,243,244,245,230,232,227,254,251,253,255,249,248,252,224,241,
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160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
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176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
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128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
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144,145,146,147,148,149,150,151,152,153,154,155,156,179,163,209,
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193,194,215,199,196,197,214,218,201,202,203,204,205,206,207,208,
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210,211,212,213,198,200,195,222,219,221,223,217,216,220,192,255,
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0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
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48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
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64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
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80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
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96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
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192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
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208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
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160,161,162,222,164,165,166,167,168,169,170,171,172,173,174,175,
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176,177,178,221,180,181,182,183,184,185,186,187,188,189,190,191,
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254,224,225,246,228,229,244,227,245,232,233,234,235,236,237,238,
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239,223,240,241,242,243,230,226,252,251,231,248,253,249,247,250,
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158,128,129,150,132,133,148,131,149,136,137,138,139,140,141,142,
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143,159,144,145,146,147,134,130,156,155,135,152,157,153,151,154,
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};
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/*****************************************************************************
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* This is the function that performs real in-place conversion of the string
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* between charsets.
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* Parameters:
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* str - string to be converted
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* from,to - one-symbol label of source and destination charset
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* The following symbols are used as labels:
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* k - koi8-r
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* w - windows-1251
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* i - iso8859-5
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* a - x-cp866
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* d - x-cp866
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* m - x-mac-cyrillic
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*****************************************************************************/
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static char * _php3_convert_cyr_string(unsigned char *str, char from, char to)
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{
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const unsigned char *from_table, *to_table;
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unsigned char tmp;
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int i;
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from_table = NULL;
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to_table = NULL;
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switch (toupper(from))
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{
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case 'W':
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from_table = _cyr_win1251;
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break;
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case 'A':
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case 'D':
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from_table = _cyr_cp866;
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break;
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case 'I':
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from_table = _cyr_iso88595;
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break;
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case 'M':
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from_table = _cyr_mac;
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break;
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case 'K':
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break;
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default:
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php3_error(E_WARNING, "Unknown source charset: %c", from);
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break;
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}
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switch (toupper(to))
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{
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case 'W':
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to_table = _cyr_win1251;
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break;
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case 'A':
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case 'D':
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to_table = _cyr_cp866;
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break;
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case 'I':
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to_table = _cyr_iso88595;
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break;
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case 'M':
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to_table = _cyr_mac;
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break;
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case 'K':
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break;
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default:
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php3_error(E_WARNING, "Unknown destination charset: %c", to);
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break;
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}
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if (!str)
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return (char *)str;
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for( i = 0; str[i]; i++)
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{
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tmp = (from_table == NULL)? str[i] : from_table[ str[i] ];
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str[i] = (to_table == NULL) ? tmp : to_table[tmp + 256];
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}
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return (char *)str;
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}
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/* {{{ proto string convert_cyr_string(string str, string from, string to)
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Convert from one Cyrillic character set to another */
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PHP_FUNCTION(convert_cyr_string)
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{
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pval *str_arg, *fr_cs, *to_cs;
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unsigned char *str;
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if (ARG_COUNT(ht) != 3 || getParameters(ht,3,&str_arg, &fr_cs, &to_cs)==FAILURE)
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{
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WRONG_PARAM_COUNT;
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}
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convert_to_string(str_arg);
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convert_to_string(fr_cs);
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convert_to_string(to_cs);
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str = (unsigned char*) str_arg->value.str.val;
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_php3_convert_cyr_string(str, fr_cs->value.str.val[0], to_cs->value.str.val[0]);
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RETVAL_STRING((char *)str, 1)
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}
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/* }}} */
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