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96 lines
3.0 KiB
C
96 lines
3.0 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 6 |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andrei Zmievski <andrei@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "php_unicode.h"
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/* {{{ proto string str_transliterate(string str, string from_script, string to_script[, string variant]) U
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Transliterate a string from the source script to the target script */
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PHP_FUNCTION(str_transliterate)
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{
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UChar *str, *from, *to, *variant = NULL;
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int str_len, from_len, to_len, variant_len = 0;
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UChar id[256];
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int id_len;
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UChar *result = NULL;
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int result_len = 0;
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UTransliterator *trans = NULL;
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UErrorCode status = U_ZERO_ERROR;
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int32_t capacity, limit;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "uuu|u", &str,
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&str_len, &from, &from_len, &to, &to_len,
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&variant, &variant_len) == FAILURE) {
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return;
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}
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if (variant) {
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id_len = u_snprintf(id, sizeof(id)-1, "%S-%S/%S", from, to, variant);
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} else {
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id_len = u_snprintf(id, sizeof(id)-1, "%S-%S", from, to);
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}
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if (id_len < 0) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Transliterator ID too long");
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return;
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}
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id[id_len] = 0;
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trans = utrans_openU(id, id_len, UTRANS_FORWARD, NULL, 0, NULL, &status);
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if (U_FAILURE(status)) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to create transliterator");
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return;
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}
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result = eustrndup(str, str_len);
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result_len = limit = str_len;
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capacity = str_len + 1;
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while (1) {
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utrans_transUChars(trans, result, &result_len, capacity, 0, &limit, &status);
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if (status == U_BUFFER_OVERFLOW_ERROR) {
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result = eurealloc(result, result_len + 1);
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memcpy(result, str, UBYTES(str_len));
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capacity = result_len + 1;
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result_len = limit = str_len;
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status = U_ZERO_ERROR;
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utrans_transUChars(trans, result, &result_len, capacity, 0, &limit, &status);
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} else {
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if (status == U_STRING_NOT_TERMINATED_WARNING) {
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result = eurealloc(result, result_len + 1);
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}
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break;
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}
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}
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result[result_len] = 0;
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utrans_close(trans);
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RETURN_UNICODEL(result, result_len, 0);
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}
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/* }}} */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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