newsearch/ns-match.c

   1 /*
   2  * MATCH functionality
   3  */
   4
   5 #include "newsearch.h"
   6 #include "../lib/irc_string.h"
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10
  11 struct match_localdata {
  12   struct searchNode *targnode;
  13   struct searchNode *patnode;
  14 };
  15
  16 void *match_exe(struct searchNode *thenode, int type, void *theinput);
  17 void match_free(struct searchNode *thenode);
  18
  19 struct searchNode *match_parse(int type, int argc, char **argv) {
  20   struct match_localdata *localdata;
  21   struct searchNode *thenode;
  22   struct searchNode *targnode, *patnode;
  23
  24   if (argc<2) {
  25     parseError="match: usage: match source pattern";
  26     return NULL;
  27   }
  28
  29   if (!(targnode = search_parse(type, argv[0])))
  30     return NULL;
  31
  32   if (!(patnode = search_parse(type, argv[1]))) {
  33     (targnode->free)(targnode);
  34     return NULL;
  35   }
  36
  37   localdata=(struct match_localdata *)malloc(sizeof (struct match_localdata));
  38
  39   localdata->targnode=targnode;
  40   localdata->patnode=patnode;
  41
  42   thenode = (struct searchNode *)malloc(sizeof (struct searchNode));
  43
  44   thenode->returntype = RETURNTYPE_BOOL;
  45   thenode->localdata = localdata;
  46   thenode->exe = match_exe;
  47   thenode->free = match_free;
  48
  49   return thenode;
  50 }
  51
  52 void *match_exe(struct searchNode *thenode, int type, void *theinput) {
  53   struct match_localdata *localdata;
  54   char *pattern, *target;
  55   int ret;
  56
  57   localdata = thenode->localdata;
  58
  59   pattern = (char *)(localdata->patnode->exe) (localdata->patnode, RETURNTYPE_STRING, theinput);
  60   target  = (char *)(localdata->targnode->exe)(localdata->targnode,RETURNTYPE_STRING, theinput);
  61
  62   ret = match2strings(pattern, target);
  63
  64   switch(type) {
  65   default:
  66   case RETURNTYPE_INT:
  67   case RETURNTYPE_BOOL:
  68     return (void *)ret;
  69
  70   case RETURNTYPE_STRING:
  71     return (ret ? "1" : "");
  72   }
  73 }
  74
  75 void match_free(struct searchNode *thenode) {
  76   struct match_localdata *localdata;
  77
  78   localdata=thenode->localdata;
  79
  80   (localdata->patnode->free)(localdata->patnode);
  81   (localdata->targnode->free)(localdata->targnode);
  82   free(localdata);
  83   free(thenode);
  84 }
  85