#include <stdio.h>
#include <stdlib.h>
-struct topic_localdata {
- const char *pattern;
-};
+void *topic_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
+void topic_free(searchCtx *ctx, struct searchNode *thenode);
-void *topic_exe(struct searchNode *thenode, int type, void *theinput);
-void topic_free(struct searchNode *thenode);
-
-struct searchNode *topic_parse(int type, int argc, char **argv) {
- struct topic_localdata *localdata;
+struct searchNode *topic_parse(searchCtx *ctx, int argc, char **argv) {
struct searchNode *thenode;
- if (type != SEARCHTYPE_CHANNEL) {
- parseError = "topic: this function is only valid for channel searches.";
- return NULL;
- }
-
- if (argc!=1) {
- parseError="topic: usage: (topic pattern)";
- return NULL;
- }
-
- if (!(localdata=(struct topic_localdata *)malloc(sizeof(struct topic_localdata)))) {
- parseError = "malloc: could not allocate memory for this search.";
- return NULL;
- }
-
- localdata->pattern = argv[0];
-
if (!(thenode=(struct searchNode *)malloc(sizeof(struct searchNode)))) {
/* couldn't malloc() memory for thenode, so free localdata to avoid leakage */
parseError = "malloc: could not allocate memory for this search.";
- free(localdata);
return NULL;
}
- thenode->returntype = RETURNTYPE_BOOL;
- thenode->localdata = localdata;
+ thenode->returntype = RETURNTYPE_STRING;
+ thenode->localdata = NULL;
thenode->exe = topic_exe;
thenode->free = topic_free;
return thenode;
}
-void *topic_exe(struct searchNode *thenode, int type, void *theinput) {
+void *topic_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput) {
chanindex *cip = (chanindex *)theinput;
- struct topic_localdata *localdata;
-
- localdata = thenode->localdata;
- if ((cip->channel==NULL) || (cip->channel->topic==NULL) ||
- !match2strings(localdata->pattern, cip->channel->topic->content))
- return falseval(type);
- return trueval(type);
+ if ((cip->channel==NULL) || (cip->channel->topic==NULL))
+ return "";
+ else
+ return cip->channel->topic->content;
}
-void topic_free(struct searchNode *thenode) {
- free(thenode->localdata);
+void topic_free(searchCtx *ctx, struct searchNode *thenode) {
free(thenode);
}