/* $Id: config.c 5 2024-09-13 10:08:00Z nishi $ */

#include "tw_config.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <cm_string.h>
#include <cm_log.h>

int tw_config_read(const char* path){
	cm_log("Config", "Reading %s", path);
	char cbuf[2];
	cbuf[1] = 0;
	FILE* f = fopen(path, "r");
	if(f != NULL){
		char* line = malloc(1);
		line[0] = 0;
		while(1){
			int c = fread(cbuf, 1, 1, f);
			if(cbuf[0] == '\n' || c <= 0){
				char* l = cm_trim(line);
				if(strlen(l) > 0 && l[0] != '#'){
					char** r = cm_split(l, " \t");
					int i;
					if(cm_strcaseequ(r[0], "Include") || cm_strcaseequ(r[0], "IncludeOptional")){
						for(i = 1; r[i] != NULL; i++){
							if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")){
								for(i = 0; r[i] != NULL; i++) free(r[i]);
								free(r);
								free(line);
								free(l);
								fclose(f);
								return 1;
							}
						}
					}
					for(i = 0; r[i] != NULL; i++) free(r[i]);
					free(r);
				}
				free(l);
				free(line);
				line = malloc(1);
				line[0] = 0;
				if(c <= 0) break;
			}else if(cbuf[0] != '\r'){
				char* tmp = line;
				line = cm_strcat(tmp, cbuf);
				free(tmp);
			}
		}
		free(line);
		fclose(f);
		return 0;
	}else{
		cm_log("Config", "Could not open the file");
		return 1;
	}
}