newsearch/ns-match.c

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