#ifndef __CONFIG_H__
#define __CONFIG_H__
 
#include \"list.h\"
 
typedef struct config_node {
	char *section;
	char *name;
	char *value;
} config_node_t;
 
int config_node_add(list_t *list, char *section, char *name, char *value);
int config_load(list_t **list, const char *filepath);
char *config_get(list_t *list, const char *section, const char *name, const char *def);
void config_free(list_t *list);
 
#endif /* __CONFIG_H__ */

#include
#include
#include
#include
#include
#include
#include 
 
#include \"config.h\"
 
int config_node_add(list_t *list, char *section, char *name, char *value)
{
	config_node_t *node = (config_node_t *)malloc(sizeof(config_node_t));
	node->section = section;
	node->name = name;
	node->value = value;
	list_add(list, (void *)node);
}
 
int config_load(list_t **list, const char *filepath)
{
	int fd, i,size;
	char *buf,*section,*name,*value, *p, *t, *s;
	struct stat fs;
 
	fd = open(filepath, O_RDONLY);
	if(fd < 0) { 		fprintf(stderr, \"open config file \'%s\' err.\\n\", filepath); 		return -1; 	} 	fstat(fd, &fs); 	size = fs.st_size + 1; 	buf = malloc(size); 	buf[size] = \'\\0\'; 	size = read(fd, buf, size); 	close(fd); 	list_init(list); 	p = buf; 	while(*p != \'\\0\') 	{ 		while(*p != \'\\0\' && (*p == \' \' || *p == \'\\t\' || *p == \']\' || *p == \'\\r\'  || *p == \'\\n\') ) p++; 		/* 注释 */ 		if(*p == \'#\') 		{ 			p++; 			while(*p != \'\\0\' && *p != \'\\n\') p++; 		} 		/* 段 */ 		else if(*p == \'[\') 		{ 			p++; 			while(*p != \'\\0\' && (*p == \' \' || *p == \'\\t\')) p++; 			t = p; 			while(*p != \'\\0\' && *p != \']\') p++; 			s = p; 			while(*s == \' \' || *s == \'\\t\' || *s == \'\\r\' || *s == \'\\n\') s--; 			size = s - t; 			section = malloc(size+1); 			section[size] = \'\\0\'; 			memcpy(section, t, size); 			config_node_add(*list, section, NULL, NULL); 			//debug 			//DEBUG(\"add section: \'%s\'\\n\", section); 		} 		/* 键值对 */ 		else if(*p != \'\\0\') 		{ 			//if(section == NULL) continue; 			t = p; 			while(*p != \'\\0\' && *p != \'=\'&& *p != \'\\r\' && *p != \'\\n\') p++; 			s = p-1; 			while(*s == \' \' || *s == \'\\t\') s--; 			size = s - t + 1; 			name = malloc(size+1); 			name[size] = \'\\0\'; 			memcpy(name, t, size); 			p++; 			while(*p != \'\\0\' && (*p == \' \' || *p == \'\\r\' || *p == \'\\n\')) p++; 			t = p; 			while(*p != \'\\0\' && *p != \'=\'&& *p != \'\\r\' && *p != \'\\n\') p++; 			s = p - 1; 			while(*s == \'=\' || *s == \' \' || *s == \'\\t\') s--; 			size = s - t + 1; 			value = malloc(size+1); 			value[size] = \'\\0\'; 			memcpy(value, t, size); 			config_node_add(*list, section, name, value); 			//debug 			//DEBUG(\"add node: \'%s\' \'%s\' \'%s\'\\n\", section, name, value); 		} 	} 	free(buf); 	return 0; } char *config_get(list_t *list, const char *section, const char *name, const char *def) { 	int nlen = strlen(name); 	if(name == NULL) return NULL; 	list_node_t *p = list->first;
	while(p != NULL)
	{
		config_node_t *n = (config_node_t *)p->data;
		if((n->section == NULL && section != NULL) ||(section == NULL && n->section != NULL)) continue;
 
		if(n->section == section || strncmp(n->section, section,3) == 0)
		{
			if(n->name != NULL && strncmp(n->name, name, nlen) == 0)
			return n->value;
		}
		p = p->next;
	}
	return (char *)def;
}
 
void config_node_free(void *data)
{
	config_node_t *node = (config_node_t *)data;
	if(node->name != NULL) free(node->name);
	if(node->value != NULL) free(node->value);
 
	if(node->name == NULL && node->value == NULL)
		free(node->section);
}
 
void config_free(list_t *list)
{
	list_free(list, config_node_free);
}