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/*
* atheme-services: A collection of minimalist IRC services
* tokenize.c: Tokenization routines.
*
* Copyright (c) 2005-2007 Atheme Project (http://www.atheme.org)
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "atheme.h"
#include "pmodule.h"
int sjtoken(char *message, char delimiter, char **parv)
{
char *next;
unsigned int count;
if (!message)
return 0;
/* now we take the beginning of the message and find all the spaces...
* set them to \0 and use 'next' to go through the string
*/
next = message;
/* eat any additional delimiters */
while (*next == delimiter)
next++;
parv[0] = next;
count = 1;
while (*next)
{
/* this is fine here, since we don't have a :delimited
* parameter like tokenize
*/
if (count == 256)
{
/* we've reached our limit */
slog(LG_DEBUG, "sjtokenize(): reached param limit");
return count;
}
if (*next == delimiter)
{
*next = '\0';
next++;
/* eat any additional delimiters */
while (*next == delimiter)
next++;
/* if it's the end of the string, it's simply
** an extra space at the end. here we break.
*/
if (*next == '\0')
break;
/* if it happens to be a stray \r, break too */
if (*next == '\r')
break;
parv[count] = next;
count++;
}
else
next++;
}
return count;
}
/* this splits apart a message with origin and command picked off already */
int tokenize(char *message, char **parv)
{
char *pos = NULL;
char *next;
unsigned int count = 0;
if (!message)
return -1;
/* first we fid out of there's a : in the message, save that string
* somewhere so we can set it to the last param in parv
* also make sure there's a space before it... if not then we're screwed
*/
pos = message;
while (true)
{
if ((pos = strchr(pos, ':')))
{
pos--;
if (*pos != ' ')
{
pos += 2;
continue;
}
*pos = '\0';
pos++;
*pos = '\0';
pos++;
break;
}
else
break;
}
/* now we take the beginning of the message and find all the spaces...
* set them to \0 and use 'next' to go through the string
*/
next = message;
parv[0] = message;
count = 1;
while (*next)
{
if (count == MAXPARC)
{
/* we've reached one less than our max limit
* to handle the parameter we already ripped off
*/
slog(LG_DEBUG, "tokenize(): reached para limit");
return count;
}
if (*next == ' ')
{
*next = '\0';
next++;
/* eat any additional spaces */
while (*next == ' ')
next++;
/* if it's the end of the string, it's simply
* an extra space before the :parameter. break.
*/
if (*next == '\0')
break;
parv[count] = next;
count++;
}
else
next++;
}
if (pos)
{
parv[count] = pos;
count++;
}
return count;
}
/* vim:cinoptions=>s,e0,n0,f0,{0,}0,^0,=s,ps,t0,c3,+s,(2s,us,)20,*30,gs,hs
* vim:ts=8
* vim:sw=8
* vim:noexpandtab
*/
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