acl/lib_acl_cpp/samples/xml/xml2/xml.cpp

// xml.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include <list>

using namespace std;

static void test()
{
	acl::string buf;
	acl::xml1 xml;
	acl::xml_node& root = xml.get_root();
	acl::xml_node& server = xml.create_node("server");
	root.add_child(server);

	acl::xml_node& proc1 = xml.create_node("proc");
	server.add_child(proc1);
	proc1.add_child("pid", false, "1111");
	proc1.add_child("conns", false, "111");
	proc1.add_child("load", false, "0.5");

	acl::xml_node& proc2 = xml.create_node("proc");
	server.add_child(proc2);
	proc2.add_child("pid", false, "2111");
	proc2.add_child("conns", false, "211");
	proc2.add_child("load", false, "2.5");

	printf("-------------- after build_xml -------------------\r\n");
	xml.build_xml(buf);
	printf("%s\r\n", buf.c_str());

	printf("Enter any key to continue ...\r\n");
	getchar();

	proc1.detach();
	printf("--------------- after detach proc1 --------------\r\n");
	size_t len;
	printf("%s\r\n", xml.to_string(&len));

	printf("Enter any key to continue ...\r\n");
	getchar();

	proc2.detach();
	printf("--------------- after detach proc2 --------------\r\n");
	printf("%s\r\n", xml.to_string(&len));

	printf("Enter any key to continue ...\r\n");
	getchar();
}

static void print_attrs(acl::xml_node& node)
{
	const acl::xml_attr* iter = node.first_attr();

	if (iter != NULL)
		printf("; attrs:");

	while (iter)
	{
		printf(" %s=%s;", iter->get_name(), iter->get_value());
		iter = node.next_attr();
	}
}

static void test2()
{
	acl::xml1 xml;
	acl::xml_node& root = xml.get_root();
	root.add_child("users", true)
		.add_child("user", true)
			.add_attr("account", "\"zsxxsz\" <zsxxsz@263.net>")
			.add_attr("sex", "<male>")
			.add_attr("addr", "\"Beijing\"")
			.add_attr("nick", "<xsz@sina.com>")
			.add_child("name", false, "zsxxsz")
			.add_child("email", false, "\'zsxxsz\' <zsxxsz@263.net>")
			.add_child("sex", false, "male")
			.get_parent()
		.add_child("user", true)
			.add_attr("account", "\"zsxxsz\" <zsxxsz@263.net>")
			.add_attr("sex", "<male>")
			.add_attr("addr", "\"&Beijing&\"")
			.add_attr("nick", "<xsz@sina.com>")
			.add_child("name", false, "zsx1")
			.add_child("email", false, "\"zsx1\" <zsx1@263.net>")
			.add_child("age", false, "22");

	acl::string buf;
	xml.build_xml(buf);
	printf("%s\r\n", buf.c_str());

	xml.reset();
	xml.xml_decode(true);

	const char* p = buf.c_str();
	char tmp[2];
	while (*p)
	{
		tmp[0] = *p;
		tmp[1] = 0;
		xml.update(tmp);
		++p;
	}

	acl::xml_node* iter = xml.first_node();
	while (iter)
	{
		const char* txt = iter->text();
		printf("tag: %s; txt: %s", iter->tag_name(), txt ? txt : "null");
		print_attrs(*iter);
		printf("\r\n");
		iter = xml.next_node();
	}
}

static void test3()
{
	const char* s = "<servers>"
		"<proc><pid>1200</pid><load>2.5</load></proc>"
		"<proc><pid>1300</pid><load>3.5</load></proc>"
		"<proc><pid>1400</pid><load>4.5</load></proc>"
		"</servers>";
	acl::xml1 xml(s);

	printf("---------------- after parse xml ---------------------\r\n");

	if (strcmp(s, xml.to_string()) == 0)
	{
		printf("[%s]\r\n", xml.to_string());
		printf("----OK----\r\n");
	}
	else
	{
		printf("[%s]\r\n", s);
		printf("[%s]\r\n", xml.to_string());
		printf("----Error----\r\n");
	}

	printf("Enter any key to continue ...\r\n");
	getchar();

	printf("--------------- after delete first pid ------------\r\n");

	acl::xml_node* first_pid = xml.getFirstElementByTag("pid");
	if (first_pid)
		first_pid->detach();

	printf("[%s]\r\n", xml.to_string());

	printf("Enter any key to continue ...\r\n");
	getchar();

	printf("--------------- after delete all load --------------\r\n");
	const std::vector<acl::xml_node*>& loads =
		xml.getElementsByTagName("load");
	for (std::vector<acl::xml_node*>::const_iterator cit = loads.begin();
		cit != loads.end(); ++cit)
	{
		(*cit)->detach();
	}

	printf("[%s]\r\n", xml.to_string());

	printf("Enter any key to continue ...\r\n");
	getchar();
}

int main(void)
{
	test();
	test2();
	test3();

#ifdef WIN32
	printf("enter any key to exit\r\n");
	getchar();
#endif
	return 0;
}