newsearch/ns-nickiter.c

   1 /*
   2  * NICKITER functionality
   3  */
   4
   5 #include "newsearch.h"
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 void nickiter_free(searchCtx *ctx, struct searchNode *thenode);
  11 void *nickiter_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
  12
  13 struct nickiter_localdata {
  14   int currentnick;
  15   struct searchVariable *variable;
  16   chanindex *lastchanindex;
  17 };
  18
  19 struct searchNode *nickiter_parse(searchCtx *ctx, int argc, char **argv) {
  20   searchNode *thenode;
  21   struct nickiter_localdata *localdata;
  22
  23   if(argc < 1) {
  24     parseError = "nickiter: usage: nickiter variable";
  25     return NULL;
  26   }
  27
  28   if(!(localdata=(struct nickiter_localdata *)malloc(sizeof(struct nickiter_localdata)))) {
  29     parseError = "malloc: could not allocate memory for this search.";
  30     return NULL;
  31   }
  32
  33   /* @argv usage OK */
  34   if(!(localdata->variable=var_register(ctx, argv[0], RETURNTYPE_STRING))) {
  35     free(localdata);
  36     return NULL;
  37   }
  38
  39   if(!(thenode=(struct searchNode *)malloc(sizeof(struct searchNode)))) {
  40     parseError = "malloc: could not allocate memory for this search.";
  41     free(localdata);
  42     return NULL;
  43   }
  44
  45   localdata->currentnick = 0;
  46   localdata->lastchanindex = NULL;
  47
  48   thenode->returntype   = RETURNTYPE_BOOL;
  49   thenode->localdata    = localdata;
  50   thenode->exe          = nickiter_exe;
  51   thenode->free         = nickiter_free;
  52
  53   return thenode;
  54 }
  55
  56 void nickiter_free(searchCtx *ctx, struct searchNode *thenode) {
  57   free(thenode->localdata);
  58   free(thenode);
  59 }
  60
  61 void *nickiter_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput) {
  62   struct nickiter_localdata *localdata = thenode->localdata;
  63   chanindex *cip = (chanindex *)theinput;
  64   nick *np;
  65
  66   if(cip != localdata->lastchanindex) {
  67     localdata->lastchanindex = cip;
  68     localdata->currentnick = 0;
  69   }
  70
  71   if(!cip->channel || !cip->channel->users)
  72     return (void *)0;
  73
  74   while(localdata->currentnick < cip->channel->users->hashsize) {
  75     if(cip->channel->users->content[localdata->currentnick] != nouser) {
  76       np = getnickbynumeric(cip->channel->users->content[localdata->currentnick]);
  77       localdata->currentnick++;
  78
  79       if(!np)
  80         continue;
  81
  82       var_setstr(localdata->variable, np->nick);
  83       return (void *)1;
  84     }
  85     localdata->currentnick++;
  86   }
  87
  88   return (void *)0;
  89 }