/* Copyright (C) 2010-2019 The RetroArch team * * --------------------------------------------------------------------------------------- * The following license statement only applies to this file (stdstring.h). * --------------------------------------------------------------------------------------- * * Permission is hereby granted, free of charge, * to any person obtaining a copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __LIBRETRO_SDK_STDSTRING_H #define __LIBRETRO_SDK_STDSTRING_H #include #include #include #include #include #include #include #include RETRO_BEGIN_DECLS static INLINE bool string_is_empty(const char *data) { return !data || (*data == '\0'); } static INLINE bool string_is_equal(const char *a, const char *b) { return (a && b) ? !strcmp(a, b) : false; } #define STRLEN_CONST(x) ((sizeof((x))-1)) #define string_is_not_equal(a, b) !string_is_equal((a), (b)) #define string_is_not_equal_fast(a, b, size) (memcmp(a, b, size) != 0) #define string_is_equal_fast(a, b, size) (memcmp(a, b, size) == 0) static INLINE bool string_is_equal_case_insensitive(const char *a, const char *b) { int result = 0; const unsigned char *p1 = (const unsigned char*)a; const unsigned char *p2 = (const unsigned char*)b; if (!a || !b) return false; if (p1 == p2) return true; while ((result = tolower (*p1) - tolower (*p2++)) == 0) if (*p1++ == '\0') break; return (result == 0); } static INLINE bool string_is_equal_noncase(const char *a, const char *b) { int result = 0; const unsigned char *p1 = (const unsigned char*)a; const unsigned char *p2 = (const unsigned char*)b; if (!a || !b) return false; if (p1 == p2) return false; while ((result = tolower (*p1) - tolower (*p2++)) == 0) if (*p1++ == '\0') break; return (result == 0); } char *string_to_upper(char *s); char *string_to_lower(char *s); char *string_ucwords(char *s); char *string_replace_substring(const char *in, const char *pattern, const char *by); /* Remove leading whitespaces */ char *string_trim_whitespace_left(char *const s); /* Remove trailing whitespaces */ char *string_trim_whitespace_right(char *const s); /* Remove leading and trailing whitespaces */ char *string_trim_whitespace(char *const s); /* max_lines == 0 means no limit */ char *word_wrap(char *buffer, const char *string, int line_width, bool unicode, unsigned max_lines); /* Splits string into tokens seperated by 'delim' * > Returned token string must be free()'d * > Returns NULL if token is not found * > After each call, 'str' is set to the position after the * last found token * > Tokens *include* empty strings * Usage example: * char *str = "1,2,3,4,5,6,7,,,10,"; * char **str_ptr = &str; * char *token = NULL; * while((token = string_tokenize(str_ptr, ","))) * { * printf("%s\n", token); * free(token); * token = NULL; * } */ char* string_tokenize(char **str, const char *delim); /* Removes every instance of character 'c' from 'str' */ void string_remove_all_chars(char *str, char c); /* Replaces every instance of character 'find' in 'str' * with character 'replace' */ void string_replace_all_chars(char *str, char find, char replace); /* Converts string to unsigned integer. * Returns 0 if string is invalid */ unsigned string_to_unsigned(const char *str); /* Converts hexadecimal string to unsigned integer. * Handles optional leading '0x'. * Returns 0 if string is invalid */ unsigned string_hex_to_unsigned(const char *str); RETRO_END_DECLS #endif