1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172
|
/*
* 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
*/
|