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|
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2006 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Onn Ben-Zvi <onnb@mercury.co.il> |
| Tal Peer <tal@php.net>
+----------------------------------------------------------------------+
*/
/* $Id: fribidi.c,v 1.32.2.2.2.1 2006/01/01 13:46:52 sniper Exp $ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_fribidi.h"
#if HAVE_FRIBIDI
#include "ext/standard/info.h"
#include <fribidi/fribidi.h>
/* The fribidi guys dont believe in BC */
#ifndef FRIBIDI_MICRO_VERSION_STR
#define FRIBIDI_CHARSET_UTF8 FRIBIDI_CHAR_SET_UTF8
#define FRIBIDI_CHARSET_ISO8859_6 FRIBIDI_CHAR_SET_ISO8859_6
#define FRIBIDI_CHARSET_ISO8859_8 FRIBIDI_CHAR_SET_ISO8859_8
#define FRIBIDI_CHARSET_CP1255 FRIBIDI_CHAR_SET_CP1255
#define FRIBIDI_CHARSET_CP1256 FRIBIDI_CHAR_SET_CP1256
#define FRIBIDI_CHARSET_ISIRI_3342 FRIBIDI_CHAR_SET_ISIRI_3342
#define FRIBIDI_CHARSET_CAP_RTL FRIBIDI_CHAR_SET_CAP_RTL
#endif
function_entry fribidi_functions[] = {
PHP_FE(fribidi_log2vis, NULL)
PHP_FE(fribidi_charset_info, NULL)
PHP_FE(fribidi_get_charsets, NULL)
{NULL, NULL, NULL}
};
zend_module_entry fribidi_module_entry = {
STANDARD_MODULE_HEADER,
"fribidi",
fribidi_functions,
PHP_MINIT(fribidi),
PHP_MSHUTDOWN(fribidi),
NULL,
NULL,
PHP_MINFO(fribidi),
"0.1",
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_FRIBIDI
ZEND_GET_MODULE(fribidi)
#endif
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(fribidi)
{
/* Charsets */
REGISTER_LONG_CONSTANT("FRIBIDI_CHARSET_UTF8", FRIBIDI_CHARSET_UTF8, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("FRIBIDI_CHARSET_8859_6", FRIBIDI_CHARSET_ISO8859_6, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("FRIBIDI_CHARSET_8859_8", FRIBIDI_CHARSET_ISO8859_8, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("FRIBIDI_CHARSET_CP1255", FRIBIDI_CHARSET_CP1255, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("FRIBIDI_CHARSET_CP1256", FRIBIDI_CHARSET_CP1256, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("FRIBIDI_CHARSET_ISIRI_3342", FRIBIDI_CHARSET_ISIRI_3342, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("FRIBIDI_CHARSET_CAP_RTL", FRIBIDI_CHARSET_CAP_RTL, CONST_CS | CONST_PERSISTENT);
/* Directions */
REGISTER_LONG_CONSTANT("FRIBIDI_AUTO", FRIBIDI_TYPE_ON, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("FRIBIDI_LTR", FRIBIDI_TYPE_LTR, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("FRIBIDI_RTL", FRIBIDI_TYPE_RTL, CONST_CS | CONST_PERSISTENT);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
PHP_MSHUTDOWN_FUNCTION(fribidi)
{
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(fribidi)
{
php_info_print_table_start();
php_info_print_table_row(2, "FriBidi support", "enabled");
php_info_print_table_row(2, "FriBidi version", FRIBIDI_VERSION);
php_info_print_table_end();
}
/* }}} */
/*
+ -----------------------------------------------------------+
| Name: fribidi_log2vis |
| Purpose: convert a logical string to a visual one |
| Input: 1) The logical string. |
| 2) Base direction - |
| Possible values: |
| a) FRIBIDI_LTR - left to right. |
| b) FRIBIDI_RTL - right to left. |
| c) FRIBIDI_AUTO - autodetected by the Unicode |
| BiDi algorithm. |
| 3) Character code being used - |
| Possible values (i.e., charsets supported) |
| FRIBIDI_CHARSET_UTF8 |
| FRIBIDI_CHARSET_8859_6 |
| FRIBIDI_CHARSET_8859_8 |
| FRIBIDI_CHARSET_CP1255 |
| FRIBIDI_CHARSET_CP1256 |
| FRIBIDI_CHARSET_ISIRI_3342 |
| FRIBIDI_CHARSET_CAP_RTL |
| |
| Output: on success: The visual string. |
| on failure: FALSE |
+------------------------------------------------------------+
*/
/* {{{ proto string fribidi_log2vis(string logical_str, long direction, long charset)
Convert a logical string to a visual one */
PHP_FUNCTION(fribidi_log2vis)
{
zval **logical_str, **direction, **charset;
FriBidiChar *u_logical_str, *u_visual_str; /* unicode strings .... */
char *in_string, *out_string;
int len, alloc_len;
FriBidiCharType base_dir;
FriBidiStrIndex *position_L_to_V_list;
FriBidiStrIndex *position_V_to_L_list;
FriBidiLevel *embedding_level_list;
/* get parameters from input */
if (ZEND_NUM_ARGS() != 3 || zend_get_parameters_ex(3, &logical_str, &direction, &charset) == FAILURE) {
WRONG_PARAM_COUNT;
}
/* convert argument types */
convert_to_string_ex(logical_str);
convert_to_long_ex(charset);
if (Z_TYPE_PP(direction) == IS_LONG) {
convert_to_long_ex(direction);
base_dir = Z_LVAL_PP(direction);
} else if (Z_TYPE_PP(direction) == IS_STRING) {
convert_to_string_ex(direction);
if ((Z_STRVAL_PP(direction))[0] == 'R') {
base_dir = FRIBIDI_TYPE_RTL;
} else if (Z_STRVAL_PP(direction)[0] == 'L') {
base_dir = FRIBIDI_TYPE_LTR;
} else {
base_dir = FRIBIDI_TYPE_ON;
}
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "The use of strings to mark the base direction is deprecated, please use the FRIBIDI_LTR, FRIBIDI_RTL and FRIBIDI_AUTO constants");
}
/* allocate space and prepare all local variables */
len = Z_STRLEN_PP(logical_str);
in_string = estrndup(Z_STRVAL_PP(logical_str), len);
alloc_len = len+1;
u_logical_str = (FriBidiChar*) emalloc(sizeof(FriBidiChar)*alloc_len);
u_visual_str = (FriBidiChar*) emalloc(sizeof(FriBidiChar)*alloc_len);
position_L_to_V_list = (FriBidiStrIndex *) emalloc(sizeof(FriBidiStrIndex)*alloc_len);
position_V_to_L_list = (FriBidiStrIndex *) emalloc(sizeof(FriBidiStrIndex)*alloc_len);
embedding_level_list = (FriBidiLevel *) emalloc(sizeof(FriBidiLevel)*alloc_len);
if(in_string[len-1] == '\n') {
in_string[len-1] = '\0';
}
switch(Z_LVAL_PP(charset)) {
case FRIBIDI_CHARSET_UTF8:
case FRIBIDI_CHARSET_ISO8859_6:
case FRIBIDI_CHARSET_ISO8859_8:
case FRIBIDI_CHARSET_CP1255:
case FRIBIDI_CHARSET_CP1256:
case FRIBIDI_CHARSET_ISIRI_3342:
case FRIBIDI_CHARSET_CAP_RTL:
len = fribidi_charset_to_unicode(Z_LVAL_PP(charset), in_string, len, u_logical_str);
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown charset");
efree(u_logical_str);
efree(u_visual_str);
efree(position_L_to_V_list);
efree(position_V_to_L_list);
efree(embedding_level_list);
efree(in_string);
RETURN_FALSE;
}
/* visualize the logical.... */
out_string = (char *) emalloc(sizeof(char)*alloc_len);
#if FRIBIDI_MAJOR_VERSION == 0 && FRIBIDI_MINOR_VERSION <= 10
fribidi_log2vis(u_logical_str, len, &base_dir, u_visual_str, position_L_to_V_list, position_V_to_L_list, embedding_level_list);
#else
fribidi_log2vis(NULL, u_logical_str, len, &base_dir, u_visual_str, position_L_to_V_list, position_V_to_L_list, embedding_level_list);
#endif
/* convert back to original char set */
switch(Z_LVAL_PP(charset)) {
case FRIBIDI_CHARSET_UTF8:
case FRIBIDI_CHARSET_ISO8859_6:
case FRIBIDI_CHARSET_ISO8859_8:
case FRIBIDI_CHARSET_CP1255:
case FRIBIDI_CHARSET_CP1256:
case FRIBIDI_CHARSET_ISIRI_3342:
case FRIBIDI_CHARSET_CAP_RTL:
fribidi_unicode_to_charset(Z_LVAL_PP(charset), u_visual_str, len, out_string);
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown charset");
efree(u_logical_str);
efree(u_visual_str);
efree(position_L_to_V_list);
efree(position_V_to_L_list);
efree(embedding_level_list);
efree(out_string);
efree(in_string);
RETURN_FALSE;
}
efree(u_logical_str);
efree(u_visual_str);
efree(position_L_to_V_list);
efree(position_V_to_L_list);
efree(embedding_level_list);
efree(in_string);
RETVAL_STRING(out_string, 1);
efree(out_string);
}
/* }}} */
/* {{{ proto array fribidi_charset_info(int charset)
Returns an array containing information about the specified charset */
PHP_FUNCTION(fribidi_charset_info)
{
long charset;
char *name, *title, *desc;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &charset) == FAILURE) {
return;
}
switch (charset) {
case FRIBIDI_CHARSET_UTF8:
case FRIBIDI_CHARSET_ISO8859_6:
case FRIBIDI_CHARSET_ISO8859_8:
case FRIBIDI_CHARSET_CP1255:
case FRIBIDI_CHARSET_CP1256:
case FRIBIDI_CHARSET_ISIRI_3342:
case FRIBIDI_CHARSET_CAP_RTL:
array_init(return_value);
name = fribidi_char_set_name(charset);
title = fribidi_char_set_title(charset);
desc = fribidi_char_set_desc(charset);
if (name) {
add_assoc_string_ex(return_value, "name", sizeof("name"), name, 1);
}
if (title) {
add_assoc_string_ex(return_value, "title", sizeof("title"), title, 1);
}
if (desc) {
add_assoc_string_ex(return_value, "desc", sizeof("desc"), desc, 1);
}
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown charset.");
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto array fribidi_get_charsets()
Returns an array containing available charsets */
PHP_FUNCTION(fribidi_get_charsets)
{
array_init(return_value);
add_index_string(return_value, FRIBIDI_CHARSET_UTF8, "FRIBIDI_CHARSET_UTF8", 1);
add_index_string(return_value, FRIBIDI_CHARSET_CAP_RTL, "FRIBIDI_CHARSET_CAP_RTL", 1);
add_index_string(return_value, FRIBIDI_CHARSET_ISO8859_6, "FRIBIDI_CHARSET_8859_6", 1);
add_index_string(return_value, FRIBIDI_CHARSET_ISO8859_8, "FRIBIDI_CHARSET_8859_8", 1);
add_index_string(return_value, FRIBIDI_CHARSET_CP1255, "FRIBIDI_CHARSET_CP1255", 1);
add_index_string(return_value, FRIBIDI_CHARSET_CP1256, "FRIBIDI_CHARSET_CP1256", 1);
add_index_string(return_value, FRIBIDI_CHARSET_ISIRI_3342, "FRIBIDI_CHARSET_ISIRI_3342", 1);
}
/* }}} */
#endif /* HAVE_FRIBIDI */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
|
