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   if (ctx->searchcmd == reg_chansearch) {
  29     flaglist=cmodeflags;
  30   } else if (ctx->searchcmd == reg_nicksearch) {
  31     flaglist=umodeflags;
  32   } else {
  33     parseError="modes: unsupported search type";
  34     return NULL;
  35   }
  36
  37   if (!(localdata=(struct modes_localdata *)malloc(sizeof(struct modes_localdata)))) {
  38     parseError = "malloc: could not allocate memory for this search.";
  39     return NULL;
  40   }
  41
  42   localdata->setmodes=0;
  43   localdata->clearmodes = ~0;
  44
  45   setflags(&(localdata->setmodes), 0xFFFF, argv[0], flaglist, REJECT_NONE);
  46   setflags(&(localdata->clearmodes), 0xFFFF, argv[0], flaglist, REJECT_NONE);
  47
  48   localdata->clearmodes = ~(localdata->clearmodes);
  49
  50   if (!(thenode=(struct searchNode *)malloc(sizeof(struct searchNode)))) {
  51     /* couldn't malloc() memory for thenode, so free localdata to avoid leakage */
  52     parseError = "malloc: could not allocate memory for this search.";
  53     free(localdata);
  54     return NULL;
  55   }
  56
  57   thenode->returntype  = RETURNTYPE_BOOL;
  58   thenode->localdata   = (void *)localdata;
  59   thenode->exe         = modes_exe;
  60   thenode->free        = modes_free;
  61
  62   return thenode;
  63 }
  64
  65 void *modes_exe(searchCtx *ctx, struct searchNode *thenode, void *value) {
  66   struct modes_localdata *localdata;
  67   nick *np;
  68   chanindex *cip;
  69   flag_t flags;
  70
  71   localdata = (struct modes_localdata *)thenode->localdata;
  72
  73   if (ctx->searchcmd == reg_chansearch) {
  74     cip=(chanindex *)value;
  75     if (!cip->channel)
  76       return NULL;
  77     flags=cip->channel->flags;
  78   } else if (ctx->searchcmd == reg_nicksearch) {
  79     np=(nick *)value;
  80     flags=np->umodes;
  81   } else {
  82     return NULL;
  83   }
  84
  85   if (~flags & (localdata->setmodes))
  86     return (void *)0;
  87
  88   if (flags & (localdata->clearmodes))
  89     return (void *)0;
  90
  91   return (void *)1;
  92 }
  93
  94 void modes_free(searchCtx *ctx, struct searchNode *thenode) {
  95   free (thenode->localdata);
  96   free (thenode);
  97 }