Added wildcard functionality for config

1 files changed, 87 insertions, 14 deletions

diff --git a/read_cfg.c b/read_cfg.c
index c7dd47f..11a2626 100644
--- a/read_cfg.c
+++ b/read_cfg.c
@@ -9,10 +9,15 @@
 #include "entry.h"
 #include "group.h"
 #define BUF_LEN 1024 //maybe move this line to the header file
+#define MAX_ARGS 5
 
+//public
 void cfg_interp();
 void check_line(char *buffer);
 
+//private
+void handle_fname(char *path, char *group);
+
 void cfg_interp(){
 	FILE *fp;
 	char buffer[BUF_LEN];
@@ -47,32 +52,100 @@ void cfg_interp(){
 	//END DEBUG
 	*/
 
+	fclose(fp);
 	return;
 }
 
 void check_line(char *buffer){
 	char *delims = " \t\n";
 	char *tok = strtok(buffer, delims);
-	ENTRY *new;
+	char *args[MAX_ARGS];
+	int i;
+
+	//initialize args to NULL
+	for(i = 0; i < MAX_ARGS; i++){
+		args[i] = NULL;
+	}
+
+	i = 0;
+	//record all arguments in the line
+	while(tok != NULL){
+		if(i >= MAX_ARGS){
+			printf("Error: too many arguments\n");
+			return;
+		}
+		args[i] = tok;
+		tok = strtok(NULL, delims);
+		i++;
+	}
 
 	//add entry(ies) to a group: first arg is the file(s), second arg is the group to add to
 	//TODO add potential dash functions
 	//TODO account for spaces in file name
-	//TODO add regex support for adding patterns
-	//TODO allow adding directories (might fall into regex support)
-	if(!(strcmp(tok, "add"))){
-		//look at first arg
-		tok = strtok(NULL, delims); 
-		new = create_entry(tok, tok);
-		//look at second arg
-		tok = strtok(NULL, delims); 
-		if(new != NULL) group_add(tok, new);
-	}
+	//TODO add support for "-R" recursive adding
+	//TODO add sorting functionality
+	if(!(strcmp(args[0], "add"))) handle_fname(args[1], args[2]);
 
 	//create a new group
-	if(!(strcmp(tok, "addGroup"))){
-		tok = strtok(NULL, delims);
-		group_add(tok, NULL);
+	if(!(strcmp(args[0], "addGroup"))) group_add(args[1], NULL);
+
+	return;
+}
+
+void handle_fname(char *path, char *group){
+	ENTRY *new;
+	char path_cpy[BUF_LEN];
+	int plen = strlen(path);
+	char *dirname;
+	DIR *dp;
+	struct dirent *fname;
+	int i = 1;
+
+	if(path == NULL || group == NULL){
+		printf("Error: too few arguments for \"add\"\n");
+		return;
+	}
+
+	//file is not recognized, perhaps it has a wildcard?
+	if(access(path, F_OK) == -1){
+		if(path[plen-i] == '*'){
+			//look for a directory
+			while(path[plen-i] != '/' && (plen-i >= 0)){
+				i++;
+			}
+			dirname = path;
+			dirname[plen-i+1] = '\0';
+			dp = opendir(dirname);
+
+			//the directory is real
+			if(dp != NULL){ 
+				while(fname = readdir(dp)){
+					path_cpy[0] = '\0';
+					strcat(path_cpy, dirname);
+					strcat(path_cpy, fname->d_name);
+
+					//check if path is a file (and not a directory/symlink/etc.)
+					if(fname->d_type == DT_REG){
+						new = create_entry(path_cpy, path_cpy);
+						if(new != NULL) group_add(group, new);
+					}
+				}
+
+				//FIXME breaks if I close the dir (WHY?!?!?!?)
+				closedir(dp);
+			}
+
+			//directory is not real, report error to the user
+			else printf("Error: \"%s\" bad path\n", dirname);
+		}
+	}
+
+	//file name is okay
+	else{
+		new = create_entry(path, path);
+		if(new != NULL){
+			group_add(group, new);
+		}
 	}
 
 	return;