terom@17: #ifndef IRC_LINE_H
terom@17: #define IRC_LINE_H
terom@17: 
terom@17: #include "error.h"
terom@17: 
terom@17: /*
terom@17:  * The maximum length of a line, including terminating CRLF
terom@17:  */
terom@17: #define IRC_LINE_MAX 512
terom@17: 
terom@17: /*
terom@17:  * The maximum number of arguments for a single command
terom@17:  */
terom@17: #define IRC_ARG_MAX 15
terom@17: 
terom@17: /*
terom@17:  * Chars that are invalid inside of tokens
terom@17:  */
terom@17: #define IRC_TOKEN_INVALID "\r\n\n "
terom@17: #define IRC_TOKEN_TRAILING_INVALID "\r\n\n"
terom@17: 
terom@17: /*
terom@17:  * Low-level IRC protocol unit is a line with its bits
terom@17:  */
terom@17: struct irc_line {
terom@17:     /* The message source, either a server name or a nickmask */
terom@17:     const char *prefix;
terom@17: 
terom@17:     /* The command, either a numeric or a primary command */
terom@17:     const char *command;
terom@17: 
terom@17:     /* The arguments, with unused ones set to NULL */
terom@17:     const char *args[IRC_ARG_MAX];
terom@17: };
terom@17: 
terom@17: /*
terom@17:  * Parse an IRC message to fill in an irc_line. This mutates the value of data (to insert NULs between tokens), and
terom@17:  * stores pointers into this data into the irc_line.
terom@17:  */
terom@17: err_t irc_line_parse (struct irc_line *line, char *data);
terom@17: 
terom@17: /*
terom@17:  * Formats an irc_line as a protocol line into the given buffer (which should hold at least IRC_LINE_MAX bytes).
terom@17:  */
terom@17: err_t irc_line_build (const struct irc_line *line, char *buf);
terom@17: 
terom@17: #endif /* IRC_LINE_H */