/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| 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: Gustavo Lopes <cataphract@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "intl_cppshims.h"
#include "intl_convertcpp.h"
#include <unicode/ustring.h>
extern "C" {
#include <php.h>
}
/* {{{ intl_stringFromChar */
int intl_stringFromChar(UnicodeString &ret, char *str, size_t str_len, UErrorCode *status)
{
if(str_len > INT32_MAX) {
*status = U_BUFFER_OVERFLOW_ERROR;
ret.setToBogus();
return FAILURE;
}
//the number of UTF-16 code units is not larger than that of UTF-8 code
//units, + 1 for the terminator
int32_t capacity = (int32_t)str_len + 1;
//no check necessary -- if NULL will fail ahead
UChar *utf16 = ret.getBuffer(capacity);
int32_t utf16_len = 0;
*status = U_ZERO_ERROR;
u_strFromUTF8WithSub(utf16, ret.getCapacity(), &utf16_len,
str, str_len, U_SENTINEL /* no substitution */, NULL,
status);
ret.releaseBuffer(utf16_len);
if (U_FAILURE(*status)) {
ret.setToBogus();
return FAILURE;
}
return SUCCESS;
}
/* }}} */
/* {{{ intl_charFromString
* faster than doing intl_convert_utf16_to_utf8(
* from.getBuffer(), from.length(), &status),
* but consumes more memory */
zend_string* intl_charFromString(const UnicodeString &from, UErrorCode *status)
{
zend_string *u8res;
if (from.isBogus()) {
return NULL;
}
//the number of UTF-8 code units is not larger than that of UTF-16 code
//units * 3
int32_t capacity = from.length() * 3;
if (from.isEmpty()) {
return ZSTR_EMPTY_ALLOC();
}
u8res = zend_string_alloc(capacity, 0);
const UChar *utf16buf = from.getBuffer();
int32_t actual_len;
u_strToUTF8WithSub(ZSTR_VAL(u8res), capacity, &actual_len, utf16buf, from.length(),
U_SENTINEL, NULL, status);
if (U_FAILURE(*status)) {
zend_string_free(u8res);
return NULL;
}
ZSTR_VAL(u8res)[actual_len] = '\0';
ZSTR_LEN(u8res) = actual_len;
return u8res;
}
/* }}} */
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