newsearch/ns-channeliter.c

   1 /*
   2  * AND functionality
   3  */
   4
   5 #include "newsearch.h"
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 #define MAX_CHANS 500
  11
  12 void channeliter_free(searchCtx *ctx, struct searchNode *thenode);
  13 void *channeliter_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
  14
  15 struct channeliter_localdata {
  16   int currentchannel;
  17   struct searchVariable *variable;
  18   nick *lastnick;
  19 };
  20
  21 struct searchNode *channeliter_parse(searchCtx *ctx, int argc, char **argv) {
  22   searchNode *thenode;
  23   struct channeliter_localdata *localdata;
  24
  25   if(argc < 1) {
  26     parseError = "channeliter: usage: channeliter variable";
  27     return NULL;
  28   }
  29
  30   if(!(localdata=(struct channeliter_localdata *)malloc(sizeof(struct channeliter_localdata)))) {
  31     parseError = "malloc: could not allocate memory for this search.";
  32     return NULL;
  33   }
  34
  35   if(!(localdata->variable=var_register(ctx, argv[0], RETURNTYPE_STRING))) {
  36     free(localdata);
  37     return NULL;
  38   }
  39
  40   if(!(thenode=(struct searchNode *)malloc(sizeof(struct searchNode)))) {
  41     parseError = "malloc: could not allocate memory for this search.";
  42     free(localdata);
  43     return NULL;
  44   }
  45
  46   localdata->currentchannel = 0;
  47   localdata->lastnick = NULL;
  48
  49   thenode->returntype   = RETURNTYPE_BOOL;
  50   thenode->localdata    = localdata;
  51   thenode->exe          = channeliter_exe;
  52   thenode->free         = channeliter_free;
  53
  54   return thenode;
  55 }
  56
  57 void channeliter_free(searchCtx *ctx, struct searchNode *thenode) {
  58   free(thenode->localdata);
  59   free(thenode);
  60 }
  61
  62 void *channeliter_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput) {
  63   struct channeliter_localdata *localdata = thenode->localdata;
  64   nick *np = (nick *)theinput;
  65
  66   if(np != localdata->lastnick) {
  67     localdata->lastnick = np;
  68     localdata->currentchannel = 0;
  69   }
  70
  71   if(np->channels->cursi > MAX_CHANS)
  72     return (void *)0;
  73
  74   if(localdata->currentchannel >= np->channels->cursi)
  75     return (void *)0;
  76
  77   var_setstr(localdata->variable, ((channel **)np->channels->content)[localdata->currentchannel++]->index->name->content);
  78
  79   return (void *)1;
  80 }