repos_ecs/其他2015后/日志库/log4c_Ver.1.2.4/Log4C/sd/domnode.c

static const char version[] = "$Id$";

/* 
* Copyright 2001-2003, Meiosys (www.meiosys.com). All rights reserved.
*
* See the COPYING file for the terms of usage and distribution.
*/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

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

#include "malloc.h"
#include "error.h"
#include "domnode.h"

/* TODO: generic format support */
#include "domnode-xml.h"


/******************************************************************************/
static int foreach_delete(sd_domnode_t* a_node, void* unused)
{
	sd_domnode_delete(a_node);
	return 0;
}

/******************************************************************************/
extern sd_domnode_t* __sd_domnode_new(const char* a_name, const char* a_value,int is_elem)
{
	sd_domnode_t* this;

	this = sd_calloc(1, sizeof(*this));

	this->name     = a_name    ? sd_strdup(a_name) : 0;
	this->value    = a_value   ? sd_strdup(a_value): 0;
	this->children = is_elem ? sd_list_new(10) : 0;
	this->attrs    = is_elem ? sd_list_new(10) : 0;

	return this;
}

/******************************************************************************/
extern sd_domnode_t* sd_domnode_new(const char* a_name, const char* a_value)
{
	return __sd_domnode_new(a_name, a_value, 1);
}

/******************************************************************************/
static void domnode_clear(sd_domnode_t* this)
{
	free((void*) this->name);
	free((void*) this->value);

	sd_list_foreach(this->children, (sd_list_func_t) foreach_delete, 0);
	sd_list_delete(this->children);

	sd_list_foreach(this->attrs, (sd_list_func_t) foreach_delete, 0);
	sd_list_delete(this->attrs);
}

/******************************************************************************/
extern void sd_domnode_delete(sd_domnode_t* this)
{
	if (!this)
		return;

	domnode_clear(this);
	free(this);
}

/******************************************************************************/
static void domnode_update(sd_domnode_t* this, sd_domnode_t* a_node)
{
	domnode_clear(this);
	this->name	= a_node->name;
	this->value	= a_node->value;
	this->children = a_node->children;
	this->attrs	= a_node->attrs;

	/* Destroy this now empty node ! */
	free(a_node);
}

/******************************************************************************/
/*
extern int sd_domnode_fread(sd_domnode_t* this, FILE* a_stream)
{
	int ret;
	sd_domnode_t* node;

	// TODO: generic format support
	if (! (ret = __sd_domnode_xml_fread(&node, a_stream)))
		domnode_update(this, node);

	return ret ? -1 : 0;
}
*/
/******************************************************************************/
/*
extern int sd_domnode_read(sd_domnode_t* this, const char* a_buffer,size_t a_size)
{
	int ret;
	sd_domnode_t* node;

	// TODO: generic format support;
	if (! (ret = __sd_domnode_xml_read(&node, a_buffer, a_size)))
		domnode_update(this, node);

	return ret ? -1 : 0;
}
*/
/******************************************************************************/
/*
extern int sd_domnode_write(sd_domnode_t* this, char** a_buffer,size_t* a_size)
{
	// TODO: generic format support
	return __sd_domnode_xml_write(this, a_buffer, a_size);
}
*/
/******************************************************************************/
/*
extern int sd_domnode_fwrite(const sd_domnode_t* this, FILE* a_stream)
{
	// TODO: generic format support
	return __sd_domnode_xml_fwrite(this, a_stream);
}
*/
/******************************************************************************/
/*
extern int sd_domnode_load(sd_domnode_t* this, const char* a_filename)
{
	FILE* fp;
	int   ret = 0;

	if ( (fp = fopen(a_filename, "r")) == 0)
		return -1;

	ret = sd_domnode_fread(this, fp);

	fclose(fp);
	return ret;
}
*/
/******************************************************************************/
/*
extern int sd_domnode_store(const sd_domnode_t* this, const char* afilename)
{
	FILE* fp;
	int   ret = 0;

	if ( (fp = fopen(afilename, "w")) == 0)
		return -1;

	ret = sd_domnode_fwrite(this, fp);

	fclose(fp);
	return ret;
}
*/
/*
extern sd_domnode_t* sd_domnode_search(const sd_domnode_t* this,const char* a_name)
{
	sd_list_iter_t* i;

	for (i = sd_list_begin(this->children); i != sd_list_end(this->children); 
		i = sd_list_iter_next(i)) {
			sd_domnode_t* node = i->data;

			if (strcmp(node->name, a_name) == 0)
				return node;
	}

	for (i = sd_list_begin(this->attrs); i != sd_list_end(this->attrs); 
		i = sd_list_iter_next(i)) {
			sd_domnode_t* node = i->data;

			if (strcmp(node->name, a_name) == 0)
				return node;
	}

	for (i = sd_list_begin(this->children); i != sd_list_end(this->children); 
		i = sd_list_iter_next(i)) {
			sd_domnode_t* node = i->data;

			if ((node = sd_domnode_search(node, a_name)) != 0)
				return node;
	}

	return 0;
}

extern sd_domnode_t* sd_domnode_attrs_put(sd_domnode_t* this,sd_domnode_t* a_attr)
{
	sd_list_iter_t* i;

	if (!this || !this->attrs || !a_attr || !a_attr->value)
		return 0;

	if ((i = sd_list_lookadd(this->attrs, a_attr)) == sd_list_end(this->attrs))
		return 0;

	return i->data;
}

extern sd_domnode_t* sd_domnode_attrs_get(const sd_domnode_t* this, const char* a_name)
{
	sd_list_iter_t* i;

	if (!this || !this->attrs || !a_name || !*a_name)
		return 0;

	for (i = sd_list_begin(this->attrs); i != sd_list_end(this->attrs); 
		i = sd_list_iter_next(i)) {
			sd_domnode_t* node = i->data;

			if (strcmp(node->name, a_name) == 0)
				return node;
	}

	return 0;
}

extern sd_domnode_t* sd_domnode_attrs_remove(sd_domnode_t* this, const char* a_name)
{
	sd_list_iter_t* i;

	if (!this || !this->attrs || !a_name || !*a_name)
		return 0;

	for (i = sd_list_begin(this->attrs); i != sd_list_end(this->attrs);
		i = sd_list_iter_next(i)) {
			sd_domnode_t* node = i->data;

			if (strcmp(node->name, a_name) == 0) {
				sd_list_iter_del(i);
				return node;
			}
	}

	return 0;
}
*/