X-Git-Url: http://47.100.26.94:8080/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjni%2Finclude%2Flibavutil%2Favstring.h;fp=app%2Fsrc%2Fmain%2Fjni%2Finclude%2Flibavutil%2Favstring.h;h=0000000000000000000000000000000000000000;hb=577426ccc66649228285c4a0b6ba8752836059c6;hp=15b04babef40e7cf088cfa24a24081b572e379e0;hpb=b7202442677d0cf41e6e59870cd6c34e5619b8b9;p=rtmpclient.git diff --git a/app/src/main/jni/include/libavutil/avstring.h b/app/src/main/jni/include/libavutil/avstring.h deleted file mode 100644 index 15b04ba..0000000 --- a/app/src/main/jni/include/libavutil/avstring.h +++ /dev/null @@ -1,402 +0,0 @@ -/* - * Copyright (c) 2007 Mans Rullgard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVUTIL_AVSTRING_H -#define AVUTIL_AVSTRING_H - -#include -#include -#include "attributes.h" - -/** - * @addtogroup lavu_string - * @{ - */ - -/** - * Return non-zero if pfx is a prefix of str. If it is, *ptr is set to - * the address of the first character in str after the prefix. - * - * @param str input string - * @param pfx prefix to test - * @param ptr updated if the prefix is matched inside str - * @return non-zero if the prefix matches, zero otherwise - */ -int av_strstart(const char *str, const char *pfx, const char **ptr); - -/** - * Return non-zero if pfx is a prefix of str independent of case. If - * it is, *ptr is set to the address of the first character in str - * after the prefix. - * - * @param str input string - * @param pfx prefix to test - * @param ptr updated if the prefix is matched inside str - * @return non-zero if the prefix matches, zero otherwise - */ -int av_stristart(const char *str, const char *pfx, const char **ptr); - -/** - * Locate the first case-independent occurrence in the string haystack - * of the string needle. A zero-length string needle is considered to - * match at the start of haystack. - * - * This function is a case-insensitive version of the standard strstr(). - * - * @param haystack string to search in - * @param needle string to search for - * @return pointer to the located match within haystack - * or a null pointer if no match - */ -char *av_stristr(const char *haystack, const char *needle); - -/** - * Locate the first occurrence of the string needle in the string haystack - * where not more than hay_length characters are searched. A zero-length - * string needle is considered to match at the start of haystack. - * - * This function is a length-limited version of the standard strstr(). - * - * @param haystack string to search in - * @param needle string to search for - * @param hay_length length of string to search in - * @return pointer to the located match within haystack - * or a null pointer if no match - */ -char *av_strnstr(const char *haystack, const char *needle, size_t hay_length); - -/** - * Copy the string src to dst, but no more than size - 1 bytes, and - * null-terminate dst. - * - * This function is the same as BSD strlcpy(). - * - * @param dst destination buffer - * @param src source string - * @param size size of destination buffer - * @return the length of src - * - * @warning since the return value is the length of src, src absolutely - * _must_ be a properly 0-terminated string, otherwise this will read beyond - * the end of the buffer and possibly crash. - */ -size_t av_strlcpy(char *dst, const char *src, size_t size); - -/** - * Append the string src to the string dst, but to a total length of - * no more than size - 1 bytes, and null-terminate dst. - * - * This function is similar to BSD strlcat(), but differs when - * size <= strlen(dst). - * - * @param dst destination buffer - * @param src source string - * @param size size of destination buffer - * @return the total length of src and dst - * - * @warning since the return value use the length of src and dst, these - * absolutely _must_ be a properly 0-terminated strings, otherwise this - * will read beyond the end of the buffer and possibly crash. - */ -size_t av_strlcat(char *dst, const char *src, size_t size); - -/** - * Append output to a string, according to a format. Never write out of - * the destination buffer, and always put a terminating 0 within - * the buffer. - * @param dst destination buffer (string to which the output is - * appended) - * @param size total size of the destination buffer - * @param fmt printf-compatible format string, specifying how the - * following parameters are used - * @return the length of the string that would have been generated - * if enough space had been available - */ -size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...) av_printf_format(3, 4); - -/** - * Get the count of continuous non zero chars starting from the beginning. - * - * @param len maximum number of characters to check in the string, that - * is the maximum value which is returned by the function - */ -static inline size_t av_strnlen(const char *s, size_t len) -{ - size_t i; - for (i = 0; i < len && s[i]; i++) - ; - return i; -} - -/** - * Print arguments following specified format into a large enough auto - * allocated buffer. It is similar to GNU asprintf(). - * @param fmt printf-compatible format string, specifying how the - * following parameters are used. - * @return the allocated string - * @note You have to free the string yourself with av_free(). - */ -char *av_asprintf(const char *fmt, ...) av_printf_format(1, 2); - -/** - * Convert a number to a av_malloced string. - */ -char *av_d2str(double d); - -/** - * Unescape the given string until a non escaped terminating char, - * and return the token corresponding to the unescaped string. - * - * The normal \ and ' escaping is supported. Leading and trailing - * whitespaces are removed, unless they are escaped with '\' or are - * enclosed between ''. - * - * @param buf the buffer to parse, buf will be updated to point to the - * terminating char - * @param term a 0-terminated list of terminating chars - * @return the malloced unescaped string, which must be av_freed by - * the user, NULL in case of allocation failure - */ -char *av_get_token(const char **buf, const char *term); - -/** - * Split the string into several tokens which can be accessed by - * successive calls to av_strtok(). - * - * A token is defined as a sequence of characters not belonging to the - * set specified in delim. - * - * On the first call to av_strtok(), s should point to the string to - * parse, and the value of saveptr is ignored. In subsequent calls, s - * should be NULL, and saveptr should be unchanged since the previous - * call. - * - * This function is similar to strtok_r() defined in POSIX.1. - * - * @param s the string to parse, may be NULL - * @param delim 0-terminated list of token delimiters, must be non-NULL - * @param saveptr user-provided pointer which points to stored - * information necessary for av_strtok() to continue scanning the same - * string. saveptr is updated to point to the next character after the - * first delimiter found, or to NULL if the string was terminated - * @return the found token, or NULL when no token is found - */ -char *av_strtok(char *s, const char *delim, char **saveptr); - -/** - * Locale-independent conversion of ASCII isdigit. - */ -static inline av_const int av_isdigit(int c) -{ - return c >= '0' && c <= '9'; -} - -/** - * Locale-independent conversion of ASCII isgraph. - */ -static inline av_const int av_isgraph(int c) -{ - return c > 32 && c < 127; -} - -/** - * Locale-independent conversion of ASCII isspace. - */ -static inline av_const int av_isspace(int c) -{ - return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || - c == '\v'; -} - -/** - * Locale-independent conversion of ASCII characters to uppercase. - */ -static inline av_const int av_toupper(int c) -{ - if (c >= 'a' && c <= 'z') - c ^= 0x20; - return c; -} - -/** - * Locale-independent conversion of ASCII characters to lowercase. - */ -static inline av_const int av_tolower(int c) -{ - if (c >= 'A' && c <= 'Z') - c ^= 0x20; - return c; -} - -/** - * Locale-independent conversion of ASCII isxdigit. - */ -static inline av_const int av_isxdigit(int c) -{ - c = av_tolower(c); - return av_isdigit(c) || (c >= 'a' && c <= 'f'); -} - -/** - * Locale-independent case-insensitive compare. - * @note This means only ASCII-range characters are case-insensitive - */ -int av_strcasecmp(const char *a, const char *b); - -/** - * Locale-independent case-insensitive compare. - * @note This means only ASCII-range characters are case-insensitive - */ -int av_strncasecmp(const char *a, const char *b, size_t n); - - -/** - * Thread safe basename. - * @param path the path, on DOS both \ and / are considered separators. - * @return pointer to the basename substring. - */ -const char *av_basename(const char *path); - -/** - * Thread safe dirname. - * @param path the path, on DOS both \ and / are considered separators. - * @return the path with the separator replaced by the string terminator or ".". - * @note the function may change the input string. - */ -const char *av_dirname(char *path); - -/** - * Match instances of a name in a comma-separated list of names. - * List entries are checked from the start to the end of the names list, - * the first match ends further processing. If an entry prefixed with '-' - * matches, then 0 is returned. The "ALL" list entry is considered to - * match all names. - * - * @param name Name to look for. - * @param names List of names. - * @return 1 on match, 0 otherwise. - */ -int av_match_name(const char *name, const char *names); - -/** - * Append path component to the existing path. - * Path separator '/' is placed between when needed. - * Resulting string have to be freed with av_free(). - * @param path base path - * @param component component to be appended - * @return new path or NULL on error. - */ -char *av_append_path_component(const char *path, const char *component); - -enum AVEscapeMode { - AV_ESCAPE_MODE_AUTO, ///< Use auto-selected escaping mode. - AV_ESCAPE_MODE_BACKSLASH, ///< Use backslash escaping. - AV_ESCAPE_MODE_QUOTE, ///< Use single-quote escaping. -}; - -/** - * Consider spaces special and escape them even in the middle of the - * string. - * - * This is equivalent to adding the whitespace characters to the special - * characters lists, except it is guaranteed to use the exact same list - * of whitespace characters as the rest of libavutil. - */ -#define AV_ESCAPE_FLAG_WHITESPACE (1 << 0) - -/** - * Escape only specified special characters. - * Without this flag, escape also any characters that may be considered - * special by av_get_token(), such as the single quote. - */ -#define AV_ESCAPE_FLAG_STRICT (1 << 1) - -/** - * Escape string in src, and put the escaped string in an allocated - * string in *dst, which must be freed with av_free(). - * - * @param dst pointer where an allocated string is put - * @param src string to escape, must be non-NULL - * @param special_chars string containing the special characters which - * need to be escaped, can be NULL - * @param mode escape mode to employ, see AV_ESCAPE_MODE_* macros. - * Any unknown value for mode will be considered equivalent to - * AV_ESCAPE_MODE_BACKSLASH, but this behaviour can change without - * notice. - * @param flags flags which control how to escape, see AV_ESCAPE_FLAG_ macros - * @return the length of the allocated string, or a negative error code in case of error - * @see av_bprint_escape() - */ -av_warn_unused_result -int av_escape(char **dst, const char *src, const char *special_chars, - enum AVEscapeMode mode, int flags); - -#define AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES 1 ///< accept codepoints over 0x10FFFF -#define AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS 2 ///< accept non-characters - 0xFFFE and 0xFFFF -#define AV_UTF8_FLAG_ACCEPT_SURROGATES 4 ///< accept UTF-16 surrogates codes -#define AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES 8 ///< exclude control codes not accepted by XML - -#define AV_UTF8_FLAG_ACCEPT_ALL \ - AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES|AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS|AV_UTF8_FLAG_ACCEPT_SURROGATES - -/** - * Read and decode a single UTF-8 code point (character) from the - * buffer in *buf, and update *buf to point to the next byte to - * decode. - * - * In case of an invalid byte sequence, the pointer will be updated to - * the next byte after the invalid sequence and the function will - * return an error code. - * - * Depending on the specified flags, the function will also fail in - * case the decoded code point does not belong to a valid range. - * - * @note For speed-relevant code a carefully implemented use of - * GET_UTF8() may be preferred. - * - * @param codep pointer used to return the parsed code in case of success. - * The value in *codep is set even in case the range check fails. - * @param bufp pointer to the address the first byte of the sequence - * to decode, updated by the function to point to the - * byte next after the decoded sequence - * @param buf_end pointer to the end of the buffer, points to the next - * byte past the last in the buffer. This is used to - * avoid buffer overreads (in case of an unfinished - * UTF-8 sequence towards the end of the buffer). - * @param flags a collection of AV_UTF8_FLAG_* flags - * @return >= 0 in case a sequence was successfully read, a negative - * value in case of invalid sequence - */ -av_warn_unused_result -int av_utf8_decode(int32_t *codep, const uint8_t **bufp, const uint8_t *buf_end, - unsigned int flags); - -/** - * Check if a name is in a list. - * @returns 0 if not found, or the 1 based index where it has been found in the - * list. - */ -int av_match_list(const char *name, const char *list, char separator); - -/** - * @} - */ - -#endif /* AVUTIL_AVSTRING_H */