82 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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  Copyright (c) 2010 Samuel Lidén Borell <samuel@kodafritt.se>
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  Permission is hereby granted, free of charge, to any person obtaining a copy
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  of this software and associated documentation files (the "Software"), to deal
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  in the Software without restriction, including without limitation the rights
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  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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  copies of the Software, and to permit persons to whom the Software is
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  furnished to do so, subject to the following conditions:
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  The above copyright notice and this permission notice shall be included in
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  all copies or substantial portions of the Software.
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  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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  THE SOFTWARE.
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*/
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#include "config.h"
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#include <glib.h>
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#include "irc.h"
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/**
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 * Parses an IRC message. The words array should contain the message splitted
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 * at spaces. The prefix and command is extracted from the message, and
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 * parameters_offset is set to the index of the first parameter.
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 */
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gboolean irc_parse_message(const char *words[],
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                       const char **prefix, const char **command,
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                       size_t *parameters_offset) {
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    size_t w = 1;
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    if (prefix) *prefix = NULL;
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    if (command) *command = NULL;
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    /* See if the message starts with a prefix (sender user) */
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    if (words[w][0] == ':') {
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        if (prefix) *prefix = &words[w][1];
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        w++;
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    }
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    /* Check command */
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    if (words[w][0] == '\0') return FALSE;
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    if (command) *command = words[w];
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    w++;
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    if (parameters_offset)
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		*parameters_offset = w;
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    return TRUE;
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}
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/**
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 * Finds the nick part of a "IRC prefix", which can have any
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 * of the following forms:
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 *
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 *     nick
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 *     nick@host
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 *     nick!ident
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 *     nick!ident@host
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 */
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char *irc_prefix_get_nick(const char *prefix) {
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    const char *end;
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    size_t length;
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    if (!prefix) return NULL;
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    /* Find end of nick */
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    end = prefix;
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    while (*end != '\0' && *end != '!' && *end != '@') end++;
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    /* Allocate string */
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    length = end - prefix;
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    return g_strndup (prefix, length);
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}
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