(Currently broken) reimplementation of group and entry

1 files changed, 68 insertions, 483 deletions

diff --git a/src/read_cfg.c b/src/read_cfg.c
index a931a11..b9ac8bc 100644
--- a/src/read_cfg.c
+++ b/src/read_cfg.c
@@ -22,9 +22,11 @@
 #define OPTION_CNT 14
 
 //private
-void check_line(char *buffer, char **options, int ln);
-int check_option(char *arg, char **options);
-char *autoAlias(char *path);
+//void check_line(char *buffer, char **options, int ln);
+//int check_option(char *arg, char **options);
+int key_count(lua_State *L, int table_stack_index); // counts the number of keys in a table
+void add_groups(lua_State *L, int table_stack_index, GROUP ***g);
+void add_entries(lua_State *L, int table_stack_index, GROUP *g);
 
 //turn on or off sorting (A-Z); On by default
 bool sort = true;
@@ -36,21 +38,20 @@ bool hr = false;
 bool fold_case = true;
 
 //return false if invalid path
-bool cfg_interp(char *path){
+GROUP **cfg_interp(char *path, int *group_count){
 	FILE *fp;
 	char buffer[BUF_LEN];
 	GROUP **g;
-	ENTRY **e;
-	int count;
-	int e_count;
-	int i=0;
+	const char *group_name;
+	//ENTRY **e;
+	int i;
 	int j;
 
 	// check if file path exists
 	fp = fopen(path, "r");
 	if(fp == NULL){
 		printf("Error: Invalid Configuration Path \"%s\"\n", path);
-		return false;
+		return NULL;
 	}
 	fclose(fp);
 
@@ -61,7 +62,7 @@ bool cfg_interp(char *path){
 	if(config_load_status != 0) {
 		printf("Error: could not load configuration \"%s\"\n", path);
 		lua_error(L);
-		return false;
+		exit(1);
 	}
 
 	// set up base configuration variables
@@ -75,95 +76,17 @@ bool cfg_interp(char *path){
 	i = lua_gettop(L);
 	if(lua_type(L, i) != LUA_TTABLE) {
 		printf("Error in config: 'Groups' should be Table, is actually %s\n", lua_typename(L, lua_type(L, i)));
-		return 1;
-	}
-	// add each group
-	const char *group_name;
-	lua_pushnil(L);
-	while(lua_next(L, i)) {
-		// the key is index -2, value is -1
-		if(lua_type(L, -2) != LUA_TSTRING) continue; // skip if invalid key
-		group_name = lua_tostring(L, -2);
-		group_add(group_name, NULL);
-		// check for a launcher
-		if(lua_type(L, -1) != LUA_TTABLE) continue;  // skip if invalid value
-		lua_pushstring(L, "Launcher");
-		lua_gettable(L, -2);
-		if(lua_type(L, -1) == LUA_TSTRING) {
-			// FIXME the groups '''API''' I built might need some improvements in order for this to not be a headache
-			//set_gprog(GROUP *g, lua_tostring(L, -1))
-		}
-		lua_pop(L, 1);
-		// add each entry
-		lua_pushstring(L, "Entries");
-		lua_gettable(L, -2);
-		j = lua_gettop(L);
-		lua_pushnil(L);
-		while(lua_next(L, j)) {
-			if(lua_type(L, -1) != LUA_TSTRING) continue; // skip if invalid value
-			handle_fname(lua_tostring(L, -1), group_name, false, true, NULL, -1);
-			lua_pop(L, 1);
-		}
-		lua_pop(L, 2);
+		exit(1);
 	}
 
-	//lua_getfield(L, -1, "Pictures");
-	//lua_getfield(L, -1, "Entries");
-	//lua_rawgeti(L, -1, 1);
-	//printf("message: %d\n", (int)lua_tonumber(L, -1));
-	//lua_rawgeti(L, -2, 2);
-	//printf("message: %d\n", (int)lua_tonumber(L, -1));
-	//lua_rawgeti(L, -3, 3);
-	//printf("message: %d\n", (int)lua_tonumber(L, -1));
+	// create the group array
+	*group_count = key_count(L, i);
+	g = malloc(sizeof(GROUP *) * (*group_count));
 
+	// add each group (which also adds each entry to each group)
+	add_groups(L, i, &g);
 	lua_close(L);
-	return true;
-
-	/* --- Old code --- */
-	//build the options array
-	char **options = malloc(sizeof(char *) * OPTION_CNT);
-	options[0] = "add";
-	options[1] = "addF";
-	options[2] = "addGroup";
-	options[3] = "addName";
-	options[4] = "addNameF";
-	options[5] = "addR";
-	options[6] = "autoAlias";
-	options[7] = "foldCase";
-	options[8] = "hide";
-	options[9] = "hideFile";
-	options[10] = "setFlags";
-	options[11] = "setLauncher";
-	options[12] = "setLauncherRaw";
-	options[13] = "sort";
-
-	//Read each line of "config"
-	while(fgets(buffer, BUF_LEN, fp)){
-		printf("%d\n", i);
-		i++;
-		check_line(buffer, options, i);
-	}
-
-	//cleanup
-	free(options);
-
-	/*
-	//DEBUG: test to see if the list was added to properly
-	g = get_groups();
-	count = get_gcount();
-	for(i = 0; i < count; i++){
-		printf("Looking at group %s\n", get_gname(g[i]));
-		e_count = get_ecount(g[i]);
-		e = get_entries(get_ghead(g[i]), e_count);
-		for(j = 0; j < e_count; j++){
-			printf("\t%s\n", get_ename(e[j]));
-		}
-	}
-	//END DEBUG
-	*/
-
-	fclose(fp);
-	return true;
+	return g;
 }
 
 bool get_sort(){
@@ -179,409 +102,71 @@ void refer_to_doc(){
 	return;
 }
 
-void addme(char *path, char *group, bool force, char *name){
-	ENTRY *new;
-	char auto_name[BUF_LEN];
-
-	//check if a name was given as argument
-	if(name != NULL){
-		//strip quotes from the name
-		name = strip_quotes(name);
-		new = create_entry(name, path, force);
-	}
-
-	//check if autoAlias is on. If it is, go to the autoAlias function
-	else if(hr){
-		strcpy(auto_name, autoAlias(path));
-		new = create_entry(auto_name, path, force);
-	}
-
-	else new = create_entry(path, path, force);
-	if(new != NULL) group_add(group, new);
-
-	return;
-}
-
-int search_ch(char *str, char c){
-	int i = 0;
-
-	while(str[i] != '\0'){
-		if(str[i] == c) return i;
-		i++;
-	}
-
-	return -1;
-}
-
-int search_last_ch(char *str, char c){
-	int i = 0;
-	int last_i = -1;
+int key_count(lua_State *L, int table_stack_index) {
+	int output = 0;
 
-	while(str[i] != '\0'){
-		if(str[i] == c) last_i = i;
-		i++;
+	lua_pushnil(L);
+	while(lua_next(L, table_stack_index)) {
+		// uses 'key' (at index -2) and 'value' (at index -1)
+		if(lua_type(L, -2) == LUA_TSTRING) ++output;
+		lua_pop(L, 1);
 	}
 
-	return last_i;
+	return output;
 }
 
-//return 0 if match, 1 if not
-//TODO only supports one wildcard per entry
-int wild_cmp(char *wild, char *literal){
+void add_groups(lua_State *L, int table_stack_index, GROUP ***g) {
+	const char *group_name;
+	int entry_table_stack_index;
 	int i;
-	
-	while(*wild != '\0'){
-		//traverse until wildcard
-		if(*wild != '*'){
-			if(*wild != *literal) return 1;
-			wild++;
-			literal++;
-		}
-
-		//found wildcard, find the end of both names and comapre from the back
-		else{
-			i = 0;
-			wild++;
-			while(*wild != '\0'){
-				i++;
-				wild++;
-			}
-			while(*literal != '\0'){
-				literal++;
-			}
-
-			while(i > 0){
-				wild--;
-				literal--;
-				if(*wild != *literal) return 1;
-				i--;
-			}
-
-			return 0;
-		}
-	}
-
-	return 0;
-}
-
-
-char *strip_quotes(char *str){
-	char *stripped_str = malloc(sizeof(char) * BUF_LEN);
-	
-	if(str[0] == '"'){
-		stripped_str = &str[1];
-		stripped_str[strlen(stripped_str) - 1] = '\0';
-		return stripped_str;
-	}
-
-	return str;
-}
-
-void error_mes(int ln, char *message){
-
-	assert(message != NULL);
-
-	printf("Configuration File Error:\nOn line %d: %s\n\n", ln, message);
-
-	return;
-}
-
-//TODO add support for "addR" recursive adding (still needs work...)
-//TODO add support for "alias" option
-//TODO add support for "hide" option
-void check_line(char *buffer, char **options, int ln){
-	char *delims = " \t\n";
-	char *tok = strtok(buffer, delims);
-	char args[MAX_ARGS][BUF_LEN];
-	GROUP **g;
-	ENTRY **e;
-	char *tok_p;
-	char *arg_p;
-	int g_count;
-	int e_count;
-	int search_res;
-	int i, j;
-	char *error_p; //helper for complex error messages
-
-	//ensure line is not blank or commented out
-	if(tok != NULL && tok[0] != '#' && tok[0] != '\0'){
-		//initialize args to 0
-		for(i = 0; i < MAX_ARGS; i++){
-			args[i][0] = '\0';
-		}
-
-		i = 0;
-		//record all arguments in the line
-		while(tok != NULL){
-			if(i >= MAX_ARGS){
-				error_mes(ln, "Too many arguments");
-				return;
-			}
-			strcpy(args[i], tok);
-			//handle if an argument has spaces and is wrapped in quotes
-			if(tok[0] == '"'){
-				arg_p = &args[i][0];
-				tok_p = &tok[1];
-
-				while(*tok_p != '"'){
-					switch(*tok_p){
-
-
-						case '\0':
-							tok = strtok(NULL, delims);
-							tok_p = &tok[0];
-							*arg_p = ' ';
-							arg_p++;
-							break;
 
-						case '\\':
-							tok_p++;
-
-						default:
-							*arg_p = *tok_p;
-							tok_p++;
-							arg_p++;
-
-					}
+	lua_pushnil(L);
+	i = 0;
+	while(lua_next(L, table_stack_index)) {
+		// uses 'key' (at index -2) and 'value' (at index -1)
+		// looking at Groups.TABLE_NAME
+		if(lua_type(L, -2) == LUA_TSTRING && lua_type(L, -1) == LUA_TTABLE) {
+			group_name = lua_tostring(L, -2);
+			if(group_name != NULL) {
+				// push the Entries table on the stack (to get entry information)
+				lua_pushstring(L, "Entries");
+				// get table Groups.TABLE_NAME.Entries
+				lua_gettable(L, -2);
+				entry_table_stack_index = lua_gettop(L);
+				// check that 'Entries' is a table
+				if(lua_type(L, entry_table_stack_index) != LUA_TTABLE) {
+					printf("Error in config: 'Entries' should be Table, is actually %s\n", lua_typename(L, lua_type(L, entry_table_stack_index)));
+					exit(1);
 				}
-
-				*arg_p = '\0';
-					
+				(*g)[i] = create_group(group_name, key_count(L, entry_table_stack_index));
+				// add entries to this group
+				add_entries(L, entry_table_stack_index, (*g)[i]);
 			}
-
-			tok = strtok(NULL, delims);
-			i++;
-		}
-
-		//optimally check which option was specified
-		search_res = check_option(args[0], options);
-
-		switch(search_res){
-
-			case 0: //add
-				//add entry(ies) to a group: first arg is the file(s), second arg is the group to add to
-				//TODO add sorting functionality
-				handle_fname(args[1], args[2], 0, 0, NULL, ln);
-				break;
-				
-			case 1: //addF
-				//force add entry to a group: first arg is the file(s), second arg is the group to add to
-				handle_fname(args[1], args[2], 0, 1, NULL, ln);
-				break;
-
-			case 2: //addGroup
-				//create a new group
-				group_add(strip_quotes(args[1]), NULL);
-				break;
-
-			case 3: //addName
-				//add entry to a group: first arg is the name, second arg is the file, and third arg is the group to add to
-				handle_fname(args[2], args[3], 0, 0, args[1], ln);
-				break;
-
-			case 4: //addNameF
-				//same as addName, but with force on
-				handle_fname(args[2], args[3], 0, 1, args[1], ln);
-				break;
-
-			case 5: //addR
-				//recursively add: that is, also search directories in the given path
-				//NOTE: experimental
-				handle_fname(args[1], args[2], 1, 0, NULL, ln);
-				break;
-				
-			case 6: //autoAlias
-				if(!(strcmp(args[1], "on"))) hr = true;
-				else if(!(strcmp(args[1], "off"))) hr = false;
-				break;
-
-			case 7: //foldCase (case insensitive)
-				if(!(strcmp(args[1], "on"))) fold_case = true;
-				else if(!(strcmp(args[1], "off"))) fold_case = false;
-				break;
-
-			//TODO consider having this call handle_fname instead so that '*' can be used
-			case 8: //hide
-			case 9: //hideFile
-				//args[2] is referring to a group
-				g = get_groups();
-				g_count = get_gcount();
-
-				//look for matching existing group
-				for(i = 0; i < g_count; i++){
-					if(!(strcmp(get_gname(g[i]), args[2]))) break;
-				}
-
-				if(i < g_count){
-					e_count = get_ecount(g[i]);
-					e = get_entries(get_ghead(g[i]), e_count);
-
-					for(j = 0; j < e_count; j++){
-						if(!strcmp((search_res == 8 ? get_ename(e[j]) : get_epath(e[j])), strip_quotes(args[1]))) break;
-					}
-
-					if(j < e_count){
-						set_hide(e[j], true);
-						set_ecount(g[i], get_ecount(g[i])-1);
-					}
-					else{
-						error_p = malloc(sizeof(char) * 1024);
-						sprintf(error_p, "Entry \"%s\" does not exist", args[1]);
-						error_mes(ln, error_p);
-						free(error_p);
-					}
-				}
-
-				else{
-					error_p = malloc(sizeof(char) * 1024);
-					sprintf(error_p, "Group \"%s\" does not exist", args[2]);
-					error_mes(ln, error_p);
-					free(error_p);
-				}
-				break;
-
-			case 10: //setFlags
-				//args[1] is referring to a group
-				g = get_groups();
-				g_count = get_gcount();
-
-				//look for matching existing group
-				for(i = 0; i < g_count; i++){
-					if(!(strcmp(get_gname(g[i]), args[1]))) break;
-				}
-
-				//set a group's launcher flags (like ./program -f file for fullscreen)
-				//assert that a matching group was found
-				if(i < g_count) set_gflags(g[i], strip_quotes(args[2]));
-				else{
-					error_p = malloc(sizeof(char) * 1024);
-					sprintf(error_p, "Group \"%s\" does not exist", args[1]);
-					error_mes(ln, error_p);
-					free(error_p);
-				}
-				break;
-
-			case 11: //setLauncher
-			case 12: //setLauncherRaw
-				//args[1] is referring to a group
-				g = get_groups();
-				g_count = get_gcount();
-
-				//look for matching existing group
-				for(i = 0; i < g_count; i++){
-					if(!(strcmp(get_gname(g[i]), args[1]))) break;
-				}
-
-				//set a group's launcher (this requires pulling down the existing groups and finding the one that args[1] mentions)
-				//assert that a matching group was found
-				if(i < g_count){
-					set_gprog(g[i], strip_quotes(args[2]));
-					if(search_res == 12) set_gquotes(g[i], false); //FIXME don't forget to change this line if adding more options!!!
-				}
-				else{
-					error_p = malloc(sizeof(char) * 1024);
-					sprintf(error_p, "Group \"%s\" does not exist", args[1]);
-					error_mes(ln, error_p);
-					free(error_p);
-				}
-				break;
-
-			case 13: //sort
-				if(!(strcmp(args[1], "on"))) sort = true;
-				else if(!(strcmp(args[1], "off"))) sort = false;
-				break;
-
-			default:
-				error_p = malloc(sizeof(char) * 1024);
-				sprintf(error_p, "Unknown config option \"%s\"", args[0]);
-				error_mes(ln, error_p);
-				free(error_p);
-
 		}
-
-	}
-
-	return;
-}
-
-int check_option(char *arg, char **options){
-	int min = 0;
-	int max = OPTION_CNT-1;
-	int hover;
-	int comp_res;
-
-	while(max - min > 1){
-		hover = min + (max-min)/2;
-		comp_res = strcmp(arg, options[hover]);
-
-		if(comp_res > 0) min = hover;
-		else if(comp_res < 0) max = hover;
-		else return hover;
+		lua_pop(L, 1);
+		++i;
 	}
-
-	if(max == OPTION_CNT-1 && strcmp(arg, options[max]) == 0) return max;
-	else if(min == 0 && strcmp(arg, options[min]) == 0) return min;
-
-	return -1;
 }
 
+void add_entries(lua_State *L, int table_stack_index, GROUP *g) {
+	const char *entry_name;
+	int i;
 
-char *autoAlias(char *path){
-	char *hr_name = malloc(sizeof(char) * BUF_LEN);
-	char *p = hr_name;
-	char *rpath; //necessary so as not to touch the actual path
-	char *last_dot = NULL; //used to trim the file extension (if there is one)
-	bool stop = false; //stop when you don't want to add a series of chars to the output
-
-	//get to the relative path name
-	rpath = strrchr(path, sep);
-	if(rpath == NULL) rpath = path;
-	else rpath++;
-
-	while(*rpath != '\0'){
-		switch(*rpath){
-			case '(':
-				stop = true;
-				break;
-
-			case ')':
-				stop = false;
-				break;
-
-			case '-':
-			case '_':
-				if(*(p-1) != ' ' && !stop){
-					*p = ' ';
-					*p++;
-				}
-				break;
-
-			case ' ':
-				if(*(p-1) != ' ' && !stop){
-					*p = *rpath;
-					*p++;
-				}
-				break;
-
-			case '.':
-				last_dot = p;
-
-			default:
-				if(!stop){
-					*p = *rpath;
-					*p++;
-				}
+	lua_pushnil(L);
+	i = 0;
+	while(lua_next(L, table_stack_index)) {
+		// uses 'key' (at index -2) and 'value' (at index -1)
+		// looking at Groups.TABLE_NAME.Entries[i]
+		if(lua_type(L, -1) == LUA_TSTRING) {
+			entry_name = lua_tostring(L, -1);
+			if(entry_name != NULL) {
+				set_gentry(g, i, create_entry(entry_name, entry_name, true));
+			}
 		}
-		*rpath++;
+		lua_pop(L, 1);
+		++i;
 	}
-	
-	//close the name
-	if(last_dot != NULL) *last_dot = '\0';
-	else if(*path == '"') *(p-1) = '\0'; //close early to avoid including closing quote
-	else *p = '\0';
 
-	return hr_name;
+	// one last pop to pop the key off
+	lua_pop(L, 1);
 }
-
-
-