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archived-php-src/ext/intl/collator/collator_compare.cpp
2025-11-02 21:10:03 +00:00

119 lines
3.2 KiB
C++

/*
+----------------------------------------------------------------------+
| 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: |
| https://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: Vadim Savchuk <vsavchuk@productengine.com> |
| Dmitry Lakhtyuk <dlakhtyuk@productengine.com> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#if __cplusplus >= 201703L
#include <string_view>
#include <unicode/unistr.h>
#endif
extern "C" {
#include "php_intl.h"
#include "intl_convert.h"
}
#include "collator_class.h"
/* {{{ Compare two strings. */
U_CFUNC PHP_FUNCTION( collator_compare )
{
char* str1 = NULL;
char* str2 = NULL;
size_t str1_len = 0;
size_t str2_len = 0;
UChar* ustr1 = NULL;
UChar* ustr2 = NULL;
int ustr1_len = 0;
int ustr2_len = 0;
UCollationResult result;
COLLATOR_METHOD_INIT_VARS
/* Parse parameters. */
if( zend_parse_method_parameters( ZEND_NUM_ARGS(), getThis(), "Oss",
&object, Collator_ce_ptr, &str1, &str1_len, &str2, &str2_len ) == FAILURE )
{
RETURN_THROWS();
}
/* Fetch the object. */
COLLATOR_METHOD_FETCH_OBJECT;
if (!co || !co->ucoll) {
intl_error_set_code( NULL, COLLATOR_ERROR_CODE( co ) );
intl_errors_set_custom_msg(COLLATOR_ERROR_P( co ), "Object not initialized");
zend_throw_error(NULL, "Object not initialized");
RETURN_THROWS();
}
/*
* Compare given strings (converting them to UTF-16 first).
*/
/* First convert the strings to UTF-16. */
intl_convert_utf8_to_utf16(
&ustr1, &ustr1_len, str1, str1_len, COLLATOR_ERROR_CODE_P( co ) );
if( U_FAILURE( COLLATOR_ERROR_CODE( co ) ) )
{
/* Set global error code. */
intl_error_set_code( NULL, COLLATOR_ERROR_CODE( co ) );
/* Set error messages. */
intl_errors_set_custom_msg( COLLATOR_ERROR_P( co ), "Error converting first argument to UTF-16");
if (ustr1) {
efree( ustr1 );
}
RETURN_FALSE;
}
intl_convert_utf8_to_utf16(
&ustr2, &ustr2_len, str2, str2_len, COLLATOR_ERROR_CODE_P( co ) );
if( U_FAILURE( COLLATOR_ERROR_CODE( co ) ) )
{
/* Set global error code. */
intl_error_set_code( NULL, COLLATOR_ERROR_CODE( co ) );
/* Set error messages. */
intl_errors_set_custom_msg( COLLATOR_ERROR_P( co ), "Error converting second argument to UTF-16");
if (ustr1) {
efree( ustr1 );
}
if (ustr2) {
efree( ustr2 );
}
RETURN_FALSE;
}
/* Then compare them. */
result = ucol_strcoll(
co->ucoll,
ustr1, ustr1_len,
ustr2, ustr2_len );
if( ustr1 )
efree( ustr1 );
if( ustr2 )
efree( ustr2 );
/* Return result of the comparison. */
RETURN_LONG( result );
}
/* }}} */