X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fhashcomp.h;h=1d3a5d0b1d8494ae43fba75a6cbf1757af91f404;hb=a1f073f66f4b985bf776b9be2015136209c0c311;hp=ad6a2133e8fdbeafcd3a643205e3b55920fa9b04;hpb=6ab0b94dceb7d7f0bfca39976e745f22c7ba8939;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/hashcomp.h b/include/hashcomp.h index ad6a2133e..1d3a5d0b1 100644 --- a/include/hashcomp.h +++ b/include/hashcomp.h @@ -79,17 +79,60 @@ namespace irc bool operator()(const in_addr &s1, const in_addr &s2) const; }; + /** irc::tokenstream reads a string formatted as per RFC1459 and RFC2812. + * It will split the string into 'tokens' each containing one parameter + * from the string. + * For instance, if it is instantiated with the string: + * "PRIVMSG #test :foo bar baz qux" + * then each successive call to tokenstream::GetToken() will return + * "PRIVMSG", "#test", "foo bar baz qux", "". + * Note that if the whole string starts with a colon this is not taken + * to mean the string is all one parameter, and the first item in the + * list will be ":item". This is to allow for parsing 'source' fields + * from data. + */ class tokenstream { private: - std::string tokenbuffer; - std::vector tokens; + std::string tokens; + std::string::iterator last_starting_position; + std::string::iterator n; + bool last_pushed; public: - tokenstream(std::string &source); + /** Create a tokenstream and fill it with the provided data + */ + tokenstream(const std::string &source); ~tokenstream(); - unsigned int GetNumTokens(); - const std::string& GetToken(unsigned int index); + /** Fetch the next token from the stream + * @returns The next token is returned, or an empty string if none remain + */ + const std::string GetToken(); + }; + + /** irc::commasepstream allows for splitting comma seperated lists. + * Lists passed to irc::commasepstream should not contain spaces + * after the commas, or this will be taken to be part of the item + * data. Each successive call to commasepstream::GetToken() returns + * the next token, until none remain, at which point the method returns + * an empty string. + */ + class commasepstream + { + private: + std::string tokens; + std::string::iterator last_starting_position; + std::string::iterator n; + public: + /** Create a commasepstream and fill it with the provided data + */ + commasepstream(const std::string &source); + ~commasepstream(); + + /** Fetch the next token from the stream + * @returns The next token is returned, or an empty string if none remain + */ + const std::string GetToken(); };