X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Futils.h;h=5492f9558ea4b22a36fcee2a4bcc437c4cfd4b88;hp=d0d8a171ba29740ecc406bc5b96f2889c45f5056;hb=5736addc04a55de10add5780d92dcb5ef8b8c390;hpb=43a991406be78b2905ef1f13f4e7589f6f6c1ba3 diff --git a/source/utils.h b/source/utils.h index d0d8a17..5492f95 100644 --- a/source/utils.h +++ b/source/utils.h @@ -13,20 +13,102 @@ Distributed under the LGPL namespace Msp { -int strcasecmp(const std::string &, const std::string &); +/** +Compares two strings, ignoring upper/lower case. + +@param s1 First string +@param s2 Second string + +@return -1 if s1s2 +*/ +int strcasecmp(const std::string &s1, const std::string &s2); + +/** +Converts a string to lower case. +*/ std::string tolower(const std::string &); + +/** +Converts a string to upper case. +*/ std::string toupper(const std::string &); -std::vector split_fields(const std::string &, const std::string &, int =-1); -std::vector split_fields(const std::string &, char, int =-1); -std::vector split_long(const std::string &, const std::string &, int =-1); -std::vector split(const std::string &, const std::string & =" \t\r\n", int =-1); -std::vector split(const std::string &, char, int =-1); +/** +Splits a string at occurrences of any of the characters in sep. If max_split +is non-negative, at most that many split will be performed, i.e. the resulting +vector will contain at most max_split+1 elements. Two or more consecutive +separator characters will be treated as a single separator. + +@param str A string +@param sep Separator characters +@param max_split Maximum number of splits to perform +*/ +std::vector split(const std::string &str, const std::string &sep=" \t\r\n", int max_split=-1); + +/** +Splits a string on occurrences of a single character. +*/ +std::vector split(const std::string &str, char sep, int max_split=-1); + +/** +Splits a string on occurrences of another string. +*/ +std::vector split_long(const std::string &str, const std::string &sep, int max_split=-1); + +/** +Splits a string on occurrences of another string. Two consecutive separators +will cause an empty string to be placed in the result. +*/ +std::vector split_fields(const std::string &str, const std::string &sep, int max_split=-1); + +/** +Splits a string on occurrences of a single character. Two consecutive +separators will cause an empty string to be placed in the result. +*/ +std::vector split_fields(const std::string &str, char sep, int max_split=-1); + +/** +Concatenates strings from an iterator range. + +@param begin First iterator +@param end Last iterator +@param sep Separator to be inserted between strings +*/ +template +std::string join(Iter begin, Iter end, const std::string &sep=" ") +{ + std::string result; + for(Iter i=begin; i!=end; ++i) + { + if(i!=begin) + result+=sep; + result+=*i; + } + + return result; +} -template -std::string join(const T &, const std::string & =" "); +/** +Strips leading and trailing whitespace from a string. +*/ std::string strip(const std::string &); +/** +Unescapes a string with C escape sequences. +*/ +std::string c_unescape(const std::string &str); + +/** +Escapes any non-printable characters in a string with C escape sequences. + +@param str A string +@param escape_8bit If true, consider characters with high bit set as + non-printable + +@return An escaped version of the string +*/ +std::string c_escape(const std::string &str, bool escape_8bit=true); + } // namespace Msp #endif