newsearch/ns-modes.c

   1 /*
   2  * MODES functionality
   3  */
   4
   5 #include "newsearch.h"
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 struct modes_localdata {
  11   flag_t      setmodes;
  12   flag_t      clearmodes;
  13 };
  14
  15 void *modes_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
  16 void modes_free(searchCtx *ctx, struct searchNode *thenode);
  17
  18 struct searchNode *modes_parse(searchCtx *ctx, int argc, char **argv) {
  19   struct modes_localdata *localdata;
  20   struct searchNode *thenode;
  21   const flag *flaglist;
  22
  23   if (argc!=1) {
  24     parseError="modes: usage: modes (mode string)";
  25     return NULL;
  26   }
  27
  28   switch (ctx->type) {
  29   case SEARCHTYPE_CHANNEL:
  30     flaglist=cmodeflags;
  31     break;
  32
  33   case SEARCHTYPE_NICK:
  34     flaglist=umodeflags;
  35     break;
  36
  37   default:
  38     parseError="modes: unsupported search type";
  39     return NULL;
  40   }
  41
  42   if (!(localdata=(struct modes_localdata *)malloc(sizeof(struct modes_localdata)))) {
  43     parseError = "malloc: could not allocate memory for this search.";
  44     return NULL;
  45   }
  46
  47   localdata->setmodes=0;
  48   localdata->clearmodes = ~0;
  49
  50   setflags(&(localdata->setmodes), 0xFFFF, argv[0], flaglist, REJECT_NONE);
  51   setflags(&(localdata->clearmodes), 0xFFFF, argv[0], flaglist, REJECT_NONE);
  52
  53   localdata->clearmodes = ~(localdata->clearmodes);
  54
  55   if (!(thenode=(struct searchNode *)malloc(sizeof(struct searchNode)))) {
  56     /* couldn't malloc() memory for thenode, so free localdata to avoid leakage */
  57     parseError = "malloc: could not allocate memory for this search.";
  58     free(localdata);
  59     return NULL;
  60   }
  61
  62   thenode->returntype  = RETURNTYPE_BOOL;
  63   thenode->localdata   = (void *)localdata;
  64   thenode->exe         = modes_exe;
  65   thenode->free        = modes_free;
  66
  67   return thenode;
  68 }
  69
  70 void *modes_exe(searchCtx *ctx, struct searchNode *thenode, void *value) {
  71   struct modes_localdata *localdata;
  72   nick *np;
  73   chanindex *cip;
  74   flag_t flags;
  75
  76   localdata = (struct modes_localdata *)thenode->localdata;
  77
  78   switch (ctx->type) {
  79   case SEARCHTYPE_CHANNEL:
  80     cip=(chanindex *)value;
  81     if (!cip->channel)
  82       return NULL;
  83     flags=cip->channel->flags;
  84     break;
  85
  86   case SEARCHTYPE_NICK:
  87     np=(nick *)value;
  88     flags=np->umodes;
  89     break;
  90
  91   default:
  92     return NULL;
  93   }
  94
  95   if (~flags & (localdata->setmodes))
  96     return (void *)0;
  97
  98   if (flags & (localdata->clearmodes))
  99     return (void *)0;
 100
 101   return (void *)1;
 102 }
 103
 104 void modes_free(searchCtx *ctx, struct searchNode *thenode) {
 105   free (thenode->localdata);
 106   free (thenode);
 107 }