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megahal.c
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/*===========================================================================*/
/*
* Copyright (C) 2009 Zev Toledano
* Original Copyright (C) 1998/1999 Jason Hutchens
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the license or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the Gnu Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*===========================================================================*/
/*
* MegaHAL module for eggdrop v3.7
* By Zev ^Baron^ Toledano (megahal at thelastexit.net) and Jason Hutchens
* Artificially Intelligent conversation with learning capability and
* psychotic personality.
*
* Note: The original AI work and program was written by J. Hutchens in 1999.
* The eggdrop port was coded by Zev Toledano and it necessitated
* various major changes to the brain structure and code in order to keep the
* brain at a manageable size. Various commands and fun features were added as
* well.
* Important: Old brains (1.x/2.x *.brn files) will NOT work with this version (3.0)! You
* must start a new one.
*
* (all old comments were moved to the end of this file)
*
* Additions and changes by Nexor:
*
* Ver 3.7 Nov 2010
* - Fixed memory allocation bug in mystrdup
* - Megahal training resources and other read only files moved to separate directories: megahal_directory_resource
* - Megahal brains and generated files moved to separate directories: megahal_directory_cache
* - Removed compilation warnings with fread
* - Rewrited change_personality and load_personality
*
* Additions and changes by z0rc:
*
* Ver 3.6: Nov 2009
* - Support of multibyte text encodings based on locale settings
*
* Additions and changes by ^Baron^:
*
* Ver 3.5: Jul 2009
* - Made .forget detect smaller words
* - Fixed bug with newer eggdrops where it was responding twice
* - Chat now ignores pub channel commands
* - Fixed some buffer overruns
* - Removed more compilation warnings
* Ver 3.4: Apr 2006
* - Added .forgetword pub command - note that this deletes all phrases containing that word
* - Fixed a bug in trimdictionary that was messing up the index, thus making the find_words less functional every time the dictionary got trimmed
* - Fixed a bug where only irc client codes in the text made it crash
* - Improved speed of trimdictionary
* - Fixed bug loading phrases from the brain without a terminator, causing rare bugs when deleting phrases from small brains
* - Fixed bug with spaces at end of phrases
* - Fixed occasional crash when loading brain
* - Fixed bug where responsekeywords weren't removed from phrase before they were learned
*
* Ver 3.3: Nov 2003
* - Improved forget command fuzzy logic to find better matching phrases
* - Added learnfreq x setting to make bot learn every x amount of phrases said in channels
* - It now also learns phrases with the botnick in the beginning or end of the phrase
* i.e. no need for the botnick: trigger
* - Added responsekeywords setting to enable keywords that must be responded to
*
* Ver 3.22: May 2001
* - Cleaned up the code so that no warnings will be issued by the compiler
* - Fixed a bug that caused crashes in eggdrop 1.6.4 and fixed a memory leak
* - Fixed a crash problem when the botnick was mentioned without anything else on some bots
* - Fixed a bug where failed realloc complaints were being issued when using .forget
*
* Ver 3.21: Mar 2001
* - Improved the anti-repeat check so that it does fuzzy searches in the
* previous replies before responding.
* - Added mirc/pirc/etc code stripping!
*
* Ver 3.2: Mar 2001
* - Fixed bug in find_phrase for the forget command - it wasn't finding
* bigger phrases
* - Fixed make_keywords so that it also adds words that start with the
* special char31 character (nospace)
* - Added a check for reply repetitions so that it doesn't say the same thing
* in 5 consecutive replies.
* - Fixed bug that seems to have been there all along where the find_words
* function was wrongly used with all dictionaries and it treated index 0
* as an error! Replies should be much more appropriate now!
* - Added a maxreplywords setting to limit the output to smaller lines
* - Added a check for repeats in the replies so that it doesn't get stuck in
* a loop and output repetitive sentences.
* - Fixed treatment of hyphenated words
* - Fixed bug where last word was being replaced by a period if it was
* not preceded by a space.
* - Users text and AI output is now outputted to the channel log files as well.
* - Fixed bug in delete_all_phrases where multiples were found and index got
* moved down while deleting.
* - Removed copybrain function - use setmaxcontext or reloadphrases instead.
* - It now checks for spaces first before learning new phrases.
* - Added reloadphrases function for reloading the brain from the megahal.phr
* file.
* - Added learnfile function for adding new phrases to the brain from a file.
* - Added surprise setting for turning surprise mode on or off.
* - Added setmaxcontext function for changing the order value in the brain
* dynamically.
*
* Ver 3.11: Feb 2001
* - Added flood protection
* - Added tcl vars for various settings
* - Made each channel mantain its own counter for talkfrequency
* - Added strings for excluding specific channels from either the bot responses
* to its nickname or from the talkfrequency stuff
* - talkfrequency can now be set to 0 to turn it off
*
* Ver 3.1: Feb 2001
* - .forget command both in dcc and public. Searches for closest matches and
* deletes a phrase from the brain.
* - .megaver command in dcc and public for displaying the version information
* - actions are now detected in public as well.
* - copybrain tcl command for copying one model to another. It can be used to
* start a fresh brain with only valid phrases in case anything went wrong
* or to change the order setting for an existing brain.
* - setmegabotnick tcl command for setting the bot nickname dynamically. The
* bindings still have to be changed separately though - this is only for the
* detection of the bot nick in all public chatter.
* - expmem - now roughly estimates the mem used by this module. The report
* function (used by the .status command) now also displays more information.
*
* Ver 3.0: Feb 2001
* - Tricky bug in trimbrain required a major change in the brain structure
* again to keep track of phrases (a phrase field was added to the model and
* LOTS of code changed to work with this).
* - Added BIG trimdictionary function for trimming words that arent used anymore.
*
* Ver 2.0: Jan 2001
* - In order to be able to trim the brain, the format of the brain was changed
* (yes old ones will not work anymore). Every phrase now starts with a
* special <START> symbol so that we can find phrases more easily.
* - Added a complex trimbrain function to trim the brain down to a specified
* size.
* - Spaces were abolished from the brain thus saving at least 60% of the memory
* footprint! This meant:
* Detecting spaces and removing them from the text or simply skipping over
* them instead of including them as words.
* Every 'word' that is not preceded by a space is now saved
* with a preceding special character (#31). This character is used as a
* flag on whether to add a space or not.
* Making the 'order' variable smaller (2 or 3) so that the context isnt too
* big and some randomness creeps in.
* - Added realloc functions for resizing a dictionary or tree.
* - Added function definitions finally for all eggdrop stuff and moved all the
* defs to the header file.
* - Changed everything to static but it didnt seem to help the ram (?)
* - Cleaned up some code that stayed behind from the non-eggdrop version.
*
* Ver 1.6: Jan 2001
* - Improved the viewbranch tcl command to make it more robust and MUCH nicer
* on the eyes.
* - Added the learningmode TCL command for setting the mode on or off. When off,
* it can converse without making the brain grow.
* - Made the bot nickname more easily changeable by setting the preprocessor
* variable BOTNICK.
* - It now listens to all public chatter and detects when the bot nickname is
* typed anywhere in the text then uses only the REST of the text to generate a
* reply. It still only learns through BOTNICK: though.
* - talkfrequency - TCL and variable for replying at the specified frequency to
* whatever is said in the public channels regardless of the text.
*
* Ver 1.5: Dec 2000
* - Removed the useless private MSG commands and conversation.
* - Added the following TCL commands so that stuff can be automated or
* interacted with through TCL:
* - savebrain - for saving the brain to disk.
* - treesize - for viewing information on the model and branches like
* branch size, amount of nodes and usage counters.
* - reloadbrain - for reloading the brain from file. This can be used by
* scripts to start a new brain or to restore old ones for example.
* - viewbranch - just for curiosity or debugging. it will show a branch or
* subbranch with all its data and subbranches.
*/
/* change these to your bot name */
#define BOTNICK "netid"
#define BOTNICK2 "netid:"
#define BOTNICK3 "netid,"
#define MAKING_MEGAHAL
#define MODULE_NAME "MegaHAL"
#define VER "3.7"
#define VER1 3
#define VER2 7
#define COOKIE "MegaHAL83"
#include <stdlib.h>
/* megahal preproc directives */
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <signal.h>
#include <math.h>
#include <time.h>
#include <ctype.h>
#include <sys/types.h>
#include <locale.h>
#include <wctype.h>
#define __USE_UNIX98
#include <wchar.h>
#include "megahal.h"
/* End megahal preproc directives */
#include "../module.h"
#include "../irc.mod/irc.h"
#include "../server.mod/server.h"
#undef global
/* predefinitions for megahal*/
static int rnd(int);
static int order = 2;
static int timeout = 1;
static DICTIONARY *ban = NULL;
static DICTIONARY *aux = NULL;
static SWAP *swp = NULL;
static bool used_key;
static char directory_cache[513] = DIR_DEFAULT_CACHE;
static char directory_resources[513] = DIR_DEFAULT_RESOURCES;
/* predefinitions for eggdrop port */
static Function *global = NULL;
static Function *irc_funcs = NULL, *server_funcs = NULL;
static DICTIONARY *words = NULL;
static MODEL *model = NULL;
static int talkfrequency = 40;
static int learnfrequency = 100;
static bool learningmode = TRUE;
static wchar_t glob_str[15000];
static wchar_t glob_buffer[513];
static wchar_t mbotnick[32] = _T(BOTNICK);
static int maxlines = 10, maxtime = 60, curlines = 0, curtime = 0;
static char texcludechans[513] = "", rexcludechans[513] = "", responsekeywords[513] = "";
static int maxsize = 10000000;
static int maxreplywords = 0;
static int surprise = 1;
static DICTIONARY *prev1, *prev2, *prev3, *prev4, *prev5;
static cmd_t mega_dcc[] =
{
{BOTNICK, "", dcc_megahal, NULL},
{"forget", "m", dcc_forget, NULL},
{"megaver", "", dcc_megaver, NULL},
{NULL, NULL, NULL, NULL}
};
static cmd_t mega_pub[] =
{
{BOTNICK2, "", pub_megahal, NULL},
{BOTNICK3, "", pub_megahal, NULL},
{"!megaver", "", pub_megaver, NULL},
{"!forget", "m", pub_forget, NULL},
{"!forgetword", "m", pub_forgetword, NULL},
{NULL, NULL, NULL, NULL}
};
static cmd_t mega_pubm[] =
{
{"*", "", pub_megahal2, "mega"},
{NULL, NULL, NULL, NULL}
};
static cmd_t mega_ctcp[] =
{
{"ACTION", "", pub_action, "mega"},
{NULL, NULL, NULL, NULL}
};
static tcl_cmds mytcls[] =
{
{"savebrain", tcl_savebrain},
{"reloadbrain", tcl_reloadbrain},
{"trimbrain", tcl_trimbrain},
{"treesize", tcl_treesize},
{"learningmode", tcl_learningmode},
{"talkfrequency", tcl_talkfrequency},
{"viewbranch", tcl_viewbranch},
{"setmaxcontext", tcl_setmaxcontext},
{"setmegabotnick", tcl_setmegabotnick},
{"reloadphrases", tcl_reloadphrases},
{"learnfile", tcl_learnfile},
{0, 0}
};
static tcl_ints my_tcl_ints[] =
{
{"talkfreq", &talkfrequency, 0},
{"learnfreq", &learnfrequency, 0},
{"maxsize", &maxsize, 0},
{"maxreplywords", &maxreplywords, 0},
{"surprise", &surprise, 0},
{0, 0, 0}
};
static tcl_strings my_tcl_strings[] =
{
{"talkexcludechans", texcludechans, 512, 0},
{"respondexcludechans", rexcludechans, 512, 0},
{"responsekeywords", responsekeywords, 512, 0},
{"megahal_directory_resources", directory_resources, 512, 0},
{"megahal_directory_cache", directory_cache, 512, 0},
{0, 0, 0, 0}
};
static tcl_coups my_tcl_coups[] =
{
{"floodmega", &maxlines, &maxtime},
{0, 0, 0}
};
static Function megahal_table[] =
{
(Function) megahal_start,
(Function) megahal_close,
(Function) megahal_expmem,
(Function) megahal_report,
};
/* end predefinitions */
static wchar_t *locale_to_wchar(char *str)
{
wchar_t *ptr;
size_t s;
Context;
/* first arg == NULL means 'calculate needed space' */
s = mbstowcs(NULL, str, 0);
/* a size of -1 is triggered by an error in encoding; never
happen in ISO-8859-* locales, but possible in UTF-8 */
if(s == -1)
return NULL;
/* malloc the necessary space */
if((ptr = (wchar_t *)nmalloc((s+1)*sizeof(wchar_t))) == NULL)
return NULL;
/* really do it */
mbstowcs(ptr, str, s);
/* ensure NULL-termination */
ptr[s] = L'\0';
/* remember to free() ptr when done */
return ptr;
}
static char *wchar_to_locale(wchar_t *str)
{
char *ptr;
size_t s;
Context;
/* first arg == NULL means 'calculate needed space' */
s = wcstombs(NULL, str, 0);
/* a size of -1 means there are characters that could not
be converted to current locale */
if(s == -1)
return NULL;
/* malloc the necessary space */
if((ptr = (char *)nmalloc(s+1)) == NULL)
return NULL;
/* really do it */
wcstombs(ptr, str, s);
/* ensure NULL-termination */
ptr[s] = '\0';
/* remember to free() ptr when done */
return ptr;
}
static wchar_t *mynewsplit(wchar_t **rest)
{
register wchar_t *o, *r;
Context;
if(!rest)
return *rest = L"";
o = *rest;
while(*o == L' ')
o++;
r = o;
while(*o && (*o != L' '))
o++;
if(*o)
*o++ = 0;
*rest = o;
return r;
}
// rough estimate here - if you want precise numbers do it yourself :-p
static int megahal_expmem()
{
register int i;
int size = 0, tmp;
Context;
size += sizeof(MODEL);
tmp = recurse_tree(model->forward);
size += tmp*sizeof(TREE);
size += tmp*sizeof(TREE *);
tmp = recurse_tree(model->backward);
size += tmp*sizeof(TREE);
size += tmp*sizeof(TREE *);
for(i=0; i<model->phrasecount; i++)
size += model->phrase[i][0]+1*sizeof(BYTE2);
size += model->phrasecount*sizeof(BYTE2 *);
size += dictionary_expmem(model->dictionary);
size += dictionary_expmem(ban);
size += dictionary_expmem(aux);
size += dictionary_expmem(words);
size += sizeof(SWAP);
for(i=0; i<swp->size; i++) {
size += swp->from[i].length*sizeof(wchar_t);
size += swp->to[i].length*sizeof(wchar_t);
}
size += swp->size*sizeof(STRING)*2;
return size;
}
static int dictionary_expmem(DICTIONARY *dictionary)
{
register int i;
int size = 0;
Context;
size += sizeof(DICTIONARY);
for (i=0; i<dictionary->size; i++)
size += dictionary->entry[i].length*sizeof(wchar_t);
size += dictionary->size*sizeof(STRING);
size += dictionary->size*sizeof(BYTE2);
return size;
}
static wchar_t *megahal_close()
{
p_tcl_bind_list H_temp;
Context;
save_model("megahal.brn", model);
rem_builtins(H_dcc, mega_dcc);
rem_builtins(H_pubm, mega_pubm);
rem_builtins(H_ctcp, mega_ctcp);
if((H_temp = find_bind_table("pub")))
rem_builtins(H_temp, mega_pub);
rem_tcl_ints(my_tcl_ints);
rem_tcl_coups(my_tcl_coups);
rem_tcl_strings(my_tcl_strings);
rem_tcl_commands(mytcls);
module_undepend(MODULE_NAME);
free_model(model);
free_words(ban);
free_dictionary(ban);
free_words(aux);
free_dictionary(aux);
free_swap(swp);
free_words(words);
free_dictionary(words);
free_words(prev1);
free_dictionary(prev1);
free_words(prev2);
free_dictionary(prev2);
free_words(prev3);
free_dictionary(prev3);
free_words(prev4);
free_dictionary(prev4);
free_words(prev5);
free_dictionary(prev5);
return NULL;
}
char *megahal_start(Function * global_funcs)
{
p_tcl_bind_list H_temp;
global = global_funcs;
Context;
module_register(MODULE_NAME, megahal_table, VER1, VER2);
if(!(irc_funcs = module_depend(MODULE_NAME, "irc", 1, 0)))
return "You need the irc module to use the megahal module.";
if(!(server_funcs = module_depend(MODULE_NAME, "server", 1, 0)))
return "You need the server module to use the megahal module.";
add_builtins(H_dcc, mega_dcc);
add_builtins(H_pubm, mega_pubm);
add_builtins(H_ctcp, mega_ctcp);
add_tcl_ints(my_tcl_ints);
add_tcl_coups(my_tcl_coups);
add_tcl_strings(my_tcl_strings);
add_tcl_commands(mytcls);
if((H_temp = find_bind_table("pub")))
add_builtins(H_temp, mega_pub);
words=new_dictionary();
prev1=new_dictionary();
prev2=new_dictionary();
prev3=new_dictionary();
prev4=new_dictionary();
prev5=new_dictionary();
/*
* Load the default personality.
*/
change_personality(&model, NULL, NULL);
putlog(LOG_MISC, "*", "MegaHAL v%s by z0rc loaded.", VER);
return NULL;
}
/* a report on the module status */
static void megahal_report(int idx, int details)
{
Context;
if(details) {
dprintf(idx, " by z0rc, Zev ^Baron^ Toledano and Jason Hutchens\n");
dprintf(idx, " words: %d, nodes: %d\n", model->forward->branch, (recurse_tree(model->backward) + recurse_tree(model->forward)));
dprintf(idx, " using %d bytes\n", megahal_expmem());
}
}
// Next, a hacked attempt at strdup(), since I can't use malloc() anywhere.
static wchar_t *mystrdup(const wchar_t *s)
{
wchar_t *mytmp = nmalloc((wcslen(s)+1)*sizeof(wchar_t));
Context;
if(mytmp == NULL)
return NULL;
else wcscpy(mytmp, s);
return mytmp;
}
static void mystrlwr(wchar_t *string)
{
size_t i;
Context;
for(i=0; i<wcslen(string); ++i)
string[i]=(wchar_t)towlower(string[i]);
}
// find pointer to sub inside s
static const wchar_t *mystrstr(const wchar_t *s, const wchar_t *sub)
{
Context;
if (!*sub)
return s;
for(; *s; ++s) {
if(*s == *sub) {
/*
* Matched starting char -- loop through remaining chars.
*/
const wchar_t *h, *n;
for(h = s, n = sub; *h && *n; ++h, ++n) {
if (*h != *n)
break;
}
if(!*n) /* matched all of 'sub' to null termination */
return s; /* return the start of the match */
}
}
return NULL;
}
static bool floodcheck()
{
Context;
if(!maxlines || !maxtime)
return TRUE;
if((now - curtime) > maxtime) {
curtime = now;
curlines = 0;
}
curlines++;
if(curlines > maxlines)
return FALSE;
return TRUE;
}
static char *istextinlist(char *text, char *list)
{
wchar_t *wtext, *wlist;
wchar_t *ch, *pbuf;
Context;
setlocale(LC_ALL, "");
wtext = locale_to_wchar(text);
wlist = locale_to_wchar(list);
wchar_t buf[wcslen(wlist)+1];
wcscpy(buf, wlist);
wcsncpy(glob_buffer, wtext, 512);
glob_buffer[512] = L'\0';
mystrlwr(buf);
mystrlwr(glob_buffer);
nfree(wtext);
nfree(wlist);
pbuf = buf;
while(wcslen(pbuf) > 0)
{
ch = mynewsplit(&pbuf);
if(!wcscmp(glob_buffer, ch))
return wchar_to_locale(glob_buffer);
}
return NULL;
}
static char *istextinlist2(STRING text, char *list)
{
wchar_t *ch, *pbuf, *wlist;
Context;
setlocale(LC_ALL, "");
wlist = locale_to_wchar(list);
wchar_t buf[wcslen(wlist)+1];
wcscpy(buf, wlist);
wcsncpy(glob_buffer, text.word, text.length);
glob_buffer[text.length] = L'\0'; // length = byte
mystrlwr(buf);
mystrlwr(glob_buffer);
nfree(wlist);
pbuf = buf;
while(wcslen(pbuf) > 0)
{
ch = mynewsplit(&pbuf);
if(!wcscmp(glob_buffer, ch))
return wchar_to_locale(glob_buffer);
}
return NULL;
}
static int countchans()
{
struct chanset_t *ch;
int c = 0;
Context;
for(ch = chanset; ch; ch = ch->next)
c++;
return c;
}
static int getchannum(char *chan)
{
struct chanset_t *ch;
int c = 0;
Context;
for(ch = chanset; ch; ch = ch->next)
{
if(!strcmp(chan, ch->dname))
break;
c++;
}
return c;
}
static void do_megahal(int idx, char *prefix, char *text, bool learnit, char *nick, char *chan)
{
char stuff[strlen(prefix) + 50], *lhalreply, *lmbotnick;
wchar_t *halreply, *wtext;
Context;
/* Is there anything to parse? */
if(!text[0]) {
sprintf(stuff, "%sSo tell me something already.\n", prefix);
dprintf(idx, stuff);
return;
}
setlocale(LC_ALL, "");
wtext = locale_to_wchar(text);
upper(wtext);
if(mystrstr(wtext, L"HTTP") != NULL) {
nfree(wtext);
return;
}
make_words(wtext, words);
Context;
if(learningmode && learnit)
learn(model, words);
halreply = generate_reply(model, words);
Context;
capitalize(halreply);
lhalreply = wchar_to_locale(halreply);
dprintf(idx, "%s%s\n", prefix, lhalreply);
lmbotnick = wchar_to_locale(mbotnick);
if(nick)
putlog(LOG_PUBLIC, chan, "<%s> %s, %s", lmbotnick, nick, lhalreply);
else if(chan)
putlog(LOG_PUBLIC, chan, "<%s> %s", lmbotnick, lhalreply);
nfree(lmbotnick);
nfree(lhalreply);
nfree(wtext);
}
static int pub_megahal(char *nick, char *host, char *hand, char *channel, char *text)
{
char prefix[strlen(channel) + strlen(nick) + 13];
struct chanset_t *chan = findchan(channel);
Context;
if(!floodcheck())
return 0;
if(istextinlist(channel, rexcludechans))
return 0;
if(chan != NULL) {
sprintf(prefix, "PRIVMSG %s :%s: ", channel, nick);
char *lmbotnick=wchar_to_locale(mbotnick);
putlog(LOG_PUBLIC, channel, "<%s> %s: %s", nick, lmbotnick, text);
nfree(lmbotnick);
do_megahal(DP_HELP, prefix, text, TRUE, nick, channel);
}
return 0;
}
static int pub_action(char *nick, char *host, char *hand, char *channel, char *key, char *text)
{
pub_megahal2(nick, host, hand, channel, text);
return 0;
}
static int pub_megahal2(char *nick, char *host, char *hand, char *channel, char *text)
{
// counters per channel for chatter/learning
static int *count = NULL, *learncount = NULL;
static int chancount = 0, learnchancount = 0;
char prefix[strlen(channel) + strlen(nick) + 13], *keyword = NULL;
wchar_t buffer[512] = L"";
wchar_t *wtext;
int i, pos;
struct chanset_t *chan = findchan(channel);
bool learnit = FALSE, flg = TRUE;
Context;
setlocale(LC_ALL, "");
wtext = locale_to_wchar(text);
wcscpy(buffer,wtext);
nfree(wtext);
mystrlwr(buffer);
if(mystrstr(buffer, L"http") != NULL) {
return 0;
}
// handle and respond to phrases with the botnick or keywords in it immediately and then exit
make_words(buffer, words); // dont make upper or it will mess things like mystrstr
if(words->size == 0) { // might have stripped all codes and returned empty
return 0;
}
if(words->size > 1) {
if((wordcmp2(words->entry[0], mbotnick)==0) && ((words->entry[1].word[1] == L':') || (words->entry[1].word[1] == L','))) { // let this be handled by pub_megahal otherwise we respond twice
return 0;
}
}
if((words->entry[0].word[0] == L'.') || (words->entry[0].word[0] == L'!')) { // pub command - ignore
return 0;
}
Context;
flg = (istextinlist(channel, rexcludechans)!=NULL); // dont respond/chat in channels that are excluded but learnfrequency is still enabled for now...
for (i=0; i<words->size; i++) // find whether one of the response keywords is in the text - find first only
if((keyword = istextinlist2(words->entry[i], responsekeywords)))
break;
if(chan != NULL && (mystrstr(buffer, mbotnick) || keyword) && !flg) { // either botnick or keyword said - respond immediately and exit
Context;
if(!floodcheck()) {
return 0;
}
if(!keyword)
keyword = wchar_to_locale(mbotnick);
// if keyword used in beginning or end of phrase, learn it
if(wordcmp2(words->entry[0], locale_to_wchar(keyword))==0 || wordcmp2(words->entry[(words->size)-2], locale_to_wchar(keyword))==0) { // -2 to exclude the period
learnit = TRUE;
sprintf(prefix, "PRIVMSG %s :%s: ", channel, nick);
} else {
sprintf(prefix, "PRIVMSG %s :%s, ", channel, nick);
}
// remove the botnick from the text
if(mystrstr(buffer, locale_to_wchar(keyword))) {
pos = (int)(mystrstr(buffer, locale_to_wchar(keyword)) - buffer);
for(i=pos; i<(wcslen(buffer)-wcslen(locale_to_wchar(keyword))); i++)
buffer[i] = buffer[i+wcslen(locale_to_wchar(keyword))];
buffer[i]=L'\0';
}
char *lbuffer=wchar_to_locale(buffer);
do_megahal(DP_HELP, prefix, lbuffer, learnit, nick, channel);
nfree(lbuffer);
return 0;
}
// Learn this phrase?
if(learningmode && learnfrequency>0) {
// initialize the count array - one int per chan (first time only)
Context;
if(countchans() && learncount == NULL) {
learncount = (int *)nmalloc(sizeof(int)*countchans());
for (i=0; i<countchans(); i++)
learncount[i] = 0;
learnchancount = countchans();
}
// if number of chans changed, realloc the array
if(countchans() && learnchancount != countchans()) {
learncount = (int *)nrealloc((int *)(learncount), sizeof(int)*countchans());
learnchancount = countchans();
}
// increment appropriate counter
if(learncount[getchannum(channel)] < learnfrequency) {
learncount[getchannum(channel)]++;
} else {
upper(buffer);
make_words(buffer, words);
if(words->size > (model->order)) { // only learn phrases with minimum amount of words
learn(model, words);
learncount[getchannum(channel)] = 0;
}
}
}
// From here, chatter stuff only
// check if chatter is turned off or if this chan is in the exclude list
Context;
if(istextinlist(channel, texcludechans) || talkfrequency == 0)
return 0;
// initialize the count array - one int per chan (first time only)
if(countchans() && count == NULL) {
count = (int *)nmalloc(sizeof(int)*countchans());
for (i=0; i<countchans(); i++)
count[i] = 0;
chancount = countchans();
}
// if number of chans changed, realloc the array
if(countchans() && chancount != countchans()) {
count = (int *)nrealloc((int *)(count), sizeof(int)*countchans());
chancount = countchans();
}
// increment appropriate counter
if(count[getchannum(channel)] < talkfrequency) {
count[getchannum(channel)]++;
return 0;
} else {
if (!floodcheck())
return 0;
count[getchannum(channel)] = 0;
}
if(chan != NULL) {
sprintf(prefix, "PRIVMSG %s :", channel);
do_megahal(DP_HELP, prefix, text, FALSE, NULL, channel);
}
if(keyword)
nfree(keyword);
return 0;
}
static int dcc_megahal(struct userrec *u, int idx, char *par)
{
Context;
if(!floodcheck())
return 0;
do_megahal(idx, "", par, TRUE, NULL, NULL);
return 0;
}
static int dcc_forget(struct userrec *u, int idx, char *text)
{
register int j;
int phrase;
bool fnd;
DICTIONARY *words;
wchar_t *output, *wtext;
Context;
setlocale(LC_ALL, "");
if(!text[0])
return 0;
words = new_dictionary();
wtext = locale_to_wchar(text);
phrase = find_phrase(wtext, &fnd);
if(fnd) {
words->size=model->phrase[phrase][0]-1;
if(realloc_dictionary(words)==NULL) {
error("dcc_forget", "Unable to reallocate dictionary");
return 0;
}
for(j=0; j<words->size; j++)
words->entry[j] = model->dictionary->entry[model->phrase[phrase][j+1]];
output = make_output(words);
capitalize(output);
char *loutput=wchar_to_locale(output);
dprintf(idx, "You mean \"%s\"? OK, I'll try...\n", loutput);
nfree(loutput);
del_all_phrases(phrase);
trimdictionary();
} else {
dprintf(idx, "There is no way that I am going to forget about that, sorry.\n");
}
nfree(wtext);
return 0;
}
static int pub_forget(char *nick, char *host, char *hand, char *channel, char *text)
{
register int j;
int phrase;
bool fnd;
DICTIONARY *words;
wchar_t *output, *wtext;
Context;
setlocale(LC_ALL, "");
putlog(LOG_MISC, "*", "forget %s by %s", text, hand);
if(!text[0])
return 0;
words = new_dictionary();
wtext = locale_to_wchar(text);
phrase = find_phrase(wtext, &fnd);
if(fnd) {
words->size=model->phrase[phrase][0]-1;
if(realloc_dictionary(words)==NULL) {
error("pub_forget", "Unable to reallocate dictionary");
return 0;
}
for(j=0; j<words->size; j++)
words->entry[j] = model->dictionary->entry[model->phrase[phrase][j+1]];
output = make_output(words);
capitalize(output);
char *loutput=wchar_to_locale(output);
dprintf(DP_HELP, "PRIVMSG %s :You mean \"%s\"? OK, I'll try...\n", channel, loutput);
nfree(loutput);
del_all_phrases(phrase);
trimdictionary();
} else {
dprintf(DP_HELP, "PRIVMSG %s :There is no way that I am going to forget about that, sorry.\n", channel);
}
nfree(wtext);
return 0;
}
// finds the closest matching phrase in the model to some text if (possible)
static int find_phrase(wchar_t *text, bool *found)
{
register int i, j, k;
int maxSize = 500;
BYTE2 symbols[maxSize];
BYTE2 symbol;
int size = 0, highmatch = 0, count = 0, phrase = 0;
bool flag = TRUE;
Context;
upper(text);
make_words(text, words);
if(words->size == 0)
return 0;
// create an array of unique symbols
// make sure the words exist in the main dictionary already and that they arent repeated