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Diffstat (limited to 'core/bstr.h')
-rw-r--r-- | core/bstr.h | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/core/bstr.h b/core/bstr.h deleted file mode 100644 index ce9e029ea5..0000000000 --- a/core/bstr.h +++ /dev/null @@ -1,183 +0,0 @@ -/* - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef MPLAYER_BSTR_H -#define MPLAYER_BSTR_H - -#include <stdint.h> -#include <stddef.h> -#include <string.h> -#include <stdbool.h> - -#include "talloc.h" - -/* NOTE: 'len' is size_t, but most string-handling functions below assume - * that input size has been sanity checked and len fits in an int. - */ -typedef struct bstr { - unsigned char *start; - size_t len; -} bstr; - -// If str.start is NULL, return NULL. -static inline char *bstrdup0(void *talloc_ctx, struct bstr str) -{ - return talloc_strndup(talloc_ctx, (char *)str.start, str.len); -} - -// Like bstrdup0(), but always return a valid C-string. -static inline char *bstrto0(void *talloc_ctx, struct bstr str) -{ - return str.start ? bstrdup0(talloc_ctx, str) : talloc_strdup(talloc_ctx, ""); -} - -// Return start = NULL iff that is true for the original. -static inline struct bstr bstrdup(void *talloc_ctx, struct bstr str) -{ - struct bstr r = { NULL, str.len }; - if (str.start) - r.start = (unsigned char *)talloc_memdup(talloc_ctx, str.start, str.len); - return r; -} - -static inline struct bstr bstr0(const char *s) -{ - return (struct bstr){(unsigned char *)s, s ? strlen(s) : 0}; -} - -int bstrcmp(struct bstr str1, struct bstr str2); -int bstrcasecmp(struct bstr str1, struct bstr str2); -int bstrchr(struct bstr str, int c); -int bstrrchr(struct bstr str, int c); -int bstrspn(struct bstr str, const char *accept); -int bstrcspn(struct bstr str, const char *reject); - -int bstr_find(struct bstr haystack, struct bstr needle); -struct bstr *bstr_splitlines(void *talloc_ctx, struct bstr str); -struct bstr bstr_lstrip(struct bstr str); -struct bstr bstr_strip(struct bstr str); -struct bstr bstr_split(struct bstr str, const char *sep, struct bstr *rest); -bool bstr_split_tok(bstr str, const char *tok, bstr *out_left, bstr *out_right); -struct bstr bstr_splice(struct bstr str, int start, int end); -long long bstrtoll(struct bstr str, struct bstr *rest, int base); -double bstrtod(struct bstr str, struct bstr *rest); -void bstr_lower(struct bstr str); -int bstr_sscanf(struct bstr str, const char *format, ...); - -// Decode the UTF-8 code point at the start of the string,, and return the -// character. -// After calling this function, *out_next will point to the next character. -// out_next can be NULL. -// On error, -1 is returned, and *out_next is not modified. -int bstr_decode_utf8(struct bstr str, struct bstr *out_next); - -// Return the length of the UTF-8 sequence that starts with the given byte. -// Given a string char *s, the next UTF-8 code point is to be expected at -// s + bstr_parse_utf8_code_length(s[0]) -// On error, -1 is returned. On success, it returns a value in the range [1, 4]. -int bstr_parse_utf8_code_length(unsigned char b); - -// Return the text before the next line break, and return it. Change *rest to -// point to the text following this line break. (rest can be NULL.) -// Line break characters are not stripped. -struct bstr bstr_getline(struct bstr str, struct bstr *rest); - -// Strip one trailing line break. This is intended for use with bstr_getline, -// and will remove the trailing \n or \r\n sequence. -struct bstr bstr_strip_linebreaks(struct bstr str); - -// If s starts with prefix, return true and return the rest of the string in s. -bool bstr_eatstart(struct bstr *s, struct bstr prefix); - -bool bstr_case_startswith(struct bstr s, struct bstr prefix); -bool bstr_case_endswith(struct bstr s, struct bstr suffix); -struct bstr bstr_strip_ext(struct bstr str); -struct bstr bstr_get_ext(struct bstr s); - -static inline struct bstr bstr_cut(struct bstr str, int n) -{ - if (n < 0) { - n += str.len; - if (n < 0) - n = 0; - } - if (((size_t)n) > str.len) - n = str.len; - return (struct bstr){str.start + n, str.len - n}; -} - -static inline bool bstr_startswith(struct bstr str, struct bstr prefix) -{ - if (str.len < prefix.len) - return false; - return !memcmp(str.start, prefix.start, prefix.len); -} - -static inline bool bstr_startswith0(struct bstr str, const char *prefix) -{ - return bstr_startswith(str, bstr0(prefix)); -} - -static inline bool bstr_endswith(struct bstr str, struct bstr suffix) -{ - if (str.len < suffix.len) - return false; - return !memcmp(str.start + str.len - suffix.len, suffix.start, suffix.len); -} - -static inline bool bstr_endswith0(struct bstr str, const char *suffix) -{ - return bstr_endswith(str, bstr0(suffix)); -} - -static inline int bstrcmp0(struct bstr str1, const char *str2) -{ - return bstrcmp(str1, bstr0(str2)); -} - -static inline bool bstr_equals(struct bstr str1, struct bstr str2) -{ - return bstrcmp(str1, str2) == 0; -} - -static inline bool bstr_equals0(struct bstr str1, const char *str2) -{ - return bstrcmp(str1, bstr0(str2)) == 0; -} - -static inline int bstrcasecmp0(struct bstr str1, const char *str2) -{ - return bstrcasecmp(str1, bstr0(str2)); -} - -static inline int bstr_find0(struct bstr haystack, const char *needle) -{ - return bstr_find(haystack, bstr0(needle)); -} - -static inline int bstr_eatstart0(struct bstr *s, const char *prefix) -{ - return bstr_eatstart(s, bstr0(prefix)); -} - -// create a pair (not single value!) for "%.*s" printf syntax -#define BSTR_P(bstr) (int)((bstr).len), (bstr).start - -#define WHITESPACE " \f\n\r\t\v" - -#endif /* MPLAYER_BSTR_H */ |