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/* |
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* tokenize.C: Tokenization routines. |
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* |
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* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team |
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* Rights to this code are as documented in COPYING. |
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* |
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* |
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* Portions of this file were derived from sources bearing the following license: |
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* Rights to this code are documented in doc/pod/license.pod. |
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* Copyright © 2005-2007 Atheme Project (http://www.atheme.org) |
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*/ |
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|
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static char const rcsid[] = "$Id: tokenize.C,v 1.5 2007-08-28 17:08:12 pippijn Exp $"; |
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|
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#include "atheme.h" |
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#include "pmodule.h" |
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|
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int |
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sjtoken (char *message, char delimiter, char **parv, int limit) |
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{ |
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char *next; |
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int count; |
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|
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if (!message) |
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return 0; |
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|
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/* now we take the beginning of the message and find all the spaces... |
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* set them to \0 and use 'next' to go through the string |
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*/ |
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next = message; |
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|
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/* eat any additional delimiters */ |
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while (*next == delimiter) |
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next++; |
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|
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parv[0] = next; |
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count = 1; |
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|
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while (*next) |
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{ |
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/* this is fine here, since we don't have a :delimited |
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* parameter like tokenize |
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*/ |
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|
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if (count == limit) |
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{ |
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/* we've reached our limit */ |
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if (count == 256) |
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slog (LG_DEBUG, "sjtoken(): reached param limit"); |
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return count; |
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} |
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|
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if (*next == delimiter) |
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{ |
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*next = '\0'; |
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next++; |
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/* eat any additional delimiters */ |
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while (*next == delimiter) |
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next++; |
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/* if it's the end of the string, it's simply |
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** an extra space at the end. here we break. |
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*/ |
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if (*next == '\0') |
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break; |
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|
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/* if it happens to be a stray \r, break too */ |
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if (*next == '\r') |
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break; |
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|
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parv[count] = next; |
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count++; |
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} |
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else |
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next++; |
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} |
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|
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return count; |
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} |
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|
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/* this splits apart a message with origin and command picked off already */ |
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int |
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tokenize (char *message, char **parv) |
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{ |
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char *pos = NULL; |
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char *next; |
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unsigned int count = 0; |
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|
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if (!message) |
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return -1; |
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|
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/* first we fid out of there's a : in the message, save that string |
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* somewhere so we can set it to the last param in parv |
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* also make sure there's a space before it... if not then we're screwed |
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*/ |
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pos = message; |
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while (true) |
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{ |
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if ((pos = strchr (pos, ':'))) |
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{ |
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pos--; |
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if (*pos != ' ') |
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{ |
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pos += 2; |
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continue; |
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} |
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*pos = '\0'; |
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pos++; |
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*pos = '\0'; |
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pos++; |
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break; |
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} |
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else |
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break; |
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} |
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|
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/* now we take the beginning of the message and find all the spaces... |
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* set them to \0 and use 'next' to go through the string |
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*/ |
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|
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next = message; |
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parv[0] = message; |
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count = 1; |
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|
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while (*next) |
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{ |
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if (count == MAXPARC) |
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{ |
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/* we've reached one less than our max limit |
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* to handle the parameter we already ripped off |
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*/ |
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slog (LG_DEBUG, "tokenize(): reached para limit"); |
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return count; |
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} |
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if (*next == ' ') |
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{ |
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*next = '\0'; |
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next++; |
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/* eat any additional spaces */ |
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while (*next == ' ') |
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next++; |
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/* if it's the end of the string, it's simply |
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* an extra space before the :parameter. break. |
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*/ |
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if (*next == '\0') |
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break; |
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parv[count] = next; |
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count++; |
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} |
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else |
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next++; |
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} |
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|
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if (pos) |
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{ |
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parv[count] = pos; |
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count++; |
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} |
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|
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return count; |
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} |