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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 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. |
+----------------------------------------------------------------------+
| Author: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_SMART_STR_H
#define ZEND_SMART_STR_H
#include <zend.h>
#include "zend_smart_str_public.h"
#define smart_str_appends_ex(dest, src, what) \
smart_str_appendl_ex((dest), (src), strlen(src), (what))
#define smart_str_appends(dest, src) \
smart_str_appendl((dest), (src), strlen(src))
#define smart_str_appendc(dest, c) \
smart_str_appendc_ex((dest), (c), 0)
#define smart_str_appendl(dest, src, len) \
smart_str_appendl_ex((dest), (src), (len), 0)
#define smart_str_append(dest, src) \
smart_str_append_ex((dest), (src), 0)
#define smart_str_append_smart_str(dest, src) \
smart_str_append_smart_str_ex((dest), (src), 0)
#define smart_str_sets(dest, src) \
smart_str_setl((dest), (src), strlen(src));
#define smart_str_append_long(dest, val) \
smart_str_append_long_ex((dest), (val), 0)
#define smart_str_append_unsigned(dest, val) \
smart_str_append_unsigned_ex((dest), (val), 0)
BEGIN_EXTERN_C()
ZEND_API void ZEND_FASTCALL smart_str_erealloc(smart_str *str, size_t len);
ZEND_API void ZEND_FASTCALL smart_str_realloc(smart_str *str, size_t len);
END_EXTERN_C()
static zend_always_inline size_t smart_str_alloc(smart_str *str, size_t len, zend_bool persistent) {
if (UNEXPECTED(!str->s)) {
goto do_smart_str_realloc;
} else {
len += ZSTR_LEN(str->s);
if (UNEXPECTED(len >= str->a)) {
do_smart_str_realloc:
if (persistent) {
smart_str_realloc(str, len);
} else {
smart_str_erealloc(str, len);
}
}
}
return len;
}
static zend_always_inline void smart_str_free(smart_str *str) {
if (str->s) {
zend_string_release(str->s);
str->s = NULL;
}
str->a = 0;
}
static zend_always_inline void smart_str_0(smart_str *str) {
if (str->s) {
ZSTR_VAL(str->s)[ZSTR_LEN(str->s)] = '\0';
}
}
static zend_always_inline void smart_str_appendc_ex(smart_str *dest, char ch, zend_bool persistent) {
size_t new_len = smart_str_alloc(dest, 1, persistent);
ZSTR_VAL(dest->s)[new_len - 1] = ch;
ZSTR_LEN(dest->s) = new_len;
}
static zend_always_inline void smart_str_appendl_ex(smart_str *dest, const char *str, size_t len, zend_bool persistent) {
size_t new_len = smart_str_alloc(dest, len, persistent);
memcpy(ZSTR_VAL(dest->s) + ZSTR_LEN(dest->s), str, len);
ZSTR_LEN(dest->s) = new_len;
}
static zend_always_inline void smart_str_append_ex(smart_str *dest, const zend_string *src, zend_bool persistent) {
smart_str_appendl_ex(dest, ZSTR_VAL(src), ZSTR_LEN(src), persistent);
}
static zend_always_inline void smart_str_append_smart_str_ex(smart_str *dest, const smart_str *src, zend_bool persistent) {
if (src->s && ZSTR_LEN(src->s)) {
smart_str_append_ex(dest, src->s, persistent);
}
}
static zend_always_inline void smart_str_append_long_ex(smart_str *dest, zend_long num, zend_bool persistent) {
char buf[32];
char *result = zend_print_long_to_buf(buf + sizeof(buf) - 1, num);
smart_str_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent);
}
static zend_always_inline void smart_str_append_unsigned_ex(smart_str *dest, zend_ulong num, zend_bool persistent) {
char buf[32];
char *result = zend_print_ulong_to_buf(buf + sizeof(buf) - 1, num);
smart_str_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent);
}
static zend_always_inline void smart_str_setl(smart_str *dest, const char *src, size_t len) {
smart_str_free(dest);
smart_str_appendl(dest, src, len);
}
#endif
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