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Diffstat (limited to 'Zend/zend_smart_str.h')
| -rw-r--r-- | Zend/zend_smart_str.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/Zend/zend_smart_str.h b/Zend/zend_smart_str.h new file mode 100644 index 0000000000..2724ac7323 --- /dev/null +++ b/Zend/zend_smart_str.h @@ -0,0 +1,125 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 7 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2014 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" + +#ifndef SMART_STR_PREALLOC +#define SMART_STR_PREALLOC 128 +#endif + +#ifndef SMART_STR_START_SIZE +#define SMART_STR_START_SIZE 78 +#endif + +#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) + +static zend_always_inline size_t smart_str_alloc(smart_str *str, size_t len, zend_bool persistent) { + size_t newlen; + if (!str->s) { + newlen = len; + str->a = newlen < SMART_STR_START_SIZE + ? SMART_STR_START_SIZE + : newlen + SMART_STR_PREALLOC; + str->s = zend_string_alloc(str->a, persistent); + str->s->len = 0; + } else { + newlen = str->s->len + len; + if (newlen >= str->a) { + str->a = newlen + SMART_STR_PREALLOC; + str->s = (zend_string *) perealloc(str->s, _STR_HEADER_SIZE + str->a + 1, persistent); + } + } + return newlen; +} + +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) { + str->s->val[str->s->len] = '\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); + dest->s->val[new_len - 1] = ch; + dest->s->len = 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(dest->s->val + dest->s->len, str, len); + dest->s->len = 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, src->val, src->len, 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 && src->s->len) { + 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 + |