2 * Copyright 2012 Jacek Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 unsigned length_flags;
25 #define JSSTR_LENGTH_SHIFT 4
26 #define JSSTR_MAX_LENGTH (1 << (32-JSSTR_LENGTH_SHIFT))
27 #define JSSTR_FLAGS_MASK ((1 << JSSTR_LENGTH_SHIFT)-1)
29 #define JSSTR_FLAG_NULLBSTR 1
31 static inline unsigned jsstr_length(jsstr_t *str)
33 return str->length_flags >> JSSTR_LENGTH_SHIFT;
36 jsstr_t *jsstr_alloc_len(const WCHAR*,unsigned) DECLSPEC_HIDDEN;
37 jsstr_t *jsstr_alloc_buf(unsigned) DECLSPEC_HIDDEN;
39 static inline jsstr_t *jsstr_alloc(const WCHAR *str)
41 return jsstr_alloc_len(str, strlenW(str));
44 static inline void jsstr_release(jsstr_t *str)
50 static inline jsstr_t *jsstr_addref(jsstr_t *str)
56 static inline BOOL jsstr_eq(jsstr_t *str1, jsstr_t *str2)
58 unsigned len = jsstr_length(str1);
59 return len == jsstr_length(str2) && !memcmp(str1->str, str2->str, len*sizeof(WCHAR));
62 static inline unsigned jsstr_flush(jsstr_t *str, WCHAR *buf)
64 unsigned len = jsstr_length(str);
65 memcpy(buf, str->str, len*sizeof(WCHAR));
69 static inline jsstr_t *jsstr_substr(jsstr_t *str, unsigned off, unsigned len)
71 return jsstr_alloc_len(str->str+off, len);
74 int jsstr_cmp(jsstr_t*,jsstr_t*) DECLSPEC_HIDDEN;
75 jsstr_t *jsstr_concat(jsstr_t*,jsstr_t*) DECLSPEC_HIDDEN;
77 jsstr_t *jsstr_nan(void) DECLSPEC_HIDDEN;
78 jsstr_t *jsstr_empty(void) DECLSPEC_HIDDEN;
79 jsstr_t *jsstr_undefined(void) DECLSPEC_HIDDEN;
81 BOOL init_strings(void) DECLSPEC_HIDDEN;
82 void free_strings(void) DECLSPEC_HIDDEN;
84 const char *debugstr_jsstr(jsstr_t*) DECLSPEC_HIDDEN;