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126 lines
4.5 KiB
C
126 lines
4.5 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2014 The PHP Group |
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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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| Author: Sascha Schumann <sascha@schumann.cx> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_SMART_STR_H
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#define ZEND_SMART_STR_H
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#include <zend.h>
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#include "zend_smart_str_public.h"
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#ifndef SMART_STR_PREALLOC
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#define SMART_STR_PREALLOC 128
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#endif
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#ifndef SMART_STR_START_SIZE
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#define SMART_STR_START_SIZE 78
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#endif
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#define smart_str_appends_ex(dest, src, what) \
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smart_str_appendl_ex((dest), (src), strlen(src), (what))
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#define smart_str_appends(dest, src) \
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smart_str_appendl((dest), (src), strlen(src))
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#define smart_str_appendc(dest, c) \
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smart_str_appendc_ex((dest), (c), 0)
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#define smart_str_appendl(dest, src, len) \
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smart_str_appendl_ex((dest), (src), (len), 0)
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#define smart_str_append(dest, src) \
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smart_str_append_ex((dest), (src), 0)
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#define smart_str_append_smart_str(dest, src) \
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smart_str_append_smart_str_ex((dest), (src), 0)
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#define smart_str_sets(dest, src) \
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smart_str_setl((dest), (src), strlen(src));
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#define smart_str_append_long(dest, val) \
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smart_str_append_long_ex((dest), (val), 0)
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#define smart_str_append_unsigned(dest, val) \
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smart_str_append_unsigned_ex((dest), (val), 0)
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static zend_always_inline size_t smart_str_alloc(smart_str *str, size_t len, zend_bool persistent) {
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size_t newlen;
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if (!str->s) {
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newlen = len;
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str->a = newlen < SMART_STR_START_SIZE
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? SMART_STR_START_SIZE
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: newlen + SMART_STR_PREALLOC;
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str->s = zend_string_alloc(str->a, persistent);
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str->s->len = 0;
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} else {
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newlen = str->s->len + len;
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if (newlen >= str->a) {
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str->a = newlen + SMART_STR_PREALLOC;
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str->s = (zend_string *) perealloc(str->s, _STR_HEADER_SIZE + str->a + 1, persistent);
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}
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}
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return newlen;
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}
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static zend_always_inline void smart_str_free(smart_str *str) {
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if (str->s) {
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zend_string_release(str->s);
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str->s = NULL;
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}
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str->a = 0;
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}
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static zend_always_inline void smart_str_0(smart_str *str) {
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if (str->s) {
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str->s->val[str->s->len] = '\0';
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}
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}
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static zend_always_inline void smart_str_appendc_ex(smart_str *dest, char ch, zend_bool persistent) {
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size_t new_len = smart_str_alloc(dest, 1, persistent);
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dest->s->val[new_len - 1] = ch;
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dest->s->len = new_len;
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}
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static zend_always_inline void smart_str_appendl_ex(smart_str *dest, const char *str, size_t len, zend_bool persistent) {
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size_t new_len = smart_str_alloc(dest, len, persistent);
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memcpy(dest->s->val + dest->s->len, str, len);
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dest->s->len = new_len;
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}
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static zend_always_inline void smart_str_append_ex(smart_str *dest, const zend_string *src, zend_bool persistent) {
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smart_str_appendl_ex(dest, src->val, src->len, persistent);
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}
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static zend_always_inline void smart_str_append_smart_str_ex(smart_str *dest, const smart_str *src, zend_bool persistent) {
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if (src->s && src->s->len) {
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smart_str_append_ex(dest, src->s, persistent);
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}
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}
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static zend_always_inline void smart_str_append_long_ex(smart_str *dest, zend_long num, zend_bool persistent) {
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char buf[32];
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char *result = zend_print_long_to_buf(buf + sizeof(buf) - 1, num);
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smart_str_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent);
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}
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static zend_always_inline void smart_str_append_unsigned_ex(smart_str *dest, zend_ulong num, zend_bool persistent) {
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char buf[32];
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char *result = zend_print_ulong_to_buf(buf + sizeof(buf) - 1, num);
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smart_str_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent);
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}
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static zend_always_inline void smart_str_setl(smart_str *dest, const char *src, size_t len) {
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smart_str_free(dest);
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smart_str_appendl(dest, src, len);
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}
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#endif
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