mirror/example/stream_04.cpp

This example shows the registering macros, container reflection and wrapper classes which allow to write instances of arbitrary reflectible class to standard output streams in the XML format

Copyright 2008-2011 Matus Chochlik. Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include <mirror/mirror_base.hpp>
#include <mirror/pre_registered/type/native.hpp>
#include <mirror/pre_registered/type/std/string.hpp>
#include <mirror/pre_registered/class/std/list.hpp>
#include <mirror/pre_registered/class/boost/optional.hpp>
#include <mirror/pre_registered/class/boost/variant.hpp>
#include <mirror/utils/quick_reg.hpp>
#include <mirror/stream/xml.hpp>
#include <iostream>

namespace inet {

enum class protocol
{
    http, https, ftp
};

struct ip_v4_address
{
    unsigned char a,b,c,d;
};

struct parameter
{
    std::string name;
    std::string value;
};

struct url
{
    protocol scheme;

    boost::variant<
        ip_v4_address,
        std::string
    > host;
    boost::optional<unsigned short> port;

    std::string path;
    std::list<parameter> parameters;
};

struct bookmark
{
    std::string title;
    url location;
};

} // namespace inet

MIRROR_REG_BEGIN

MIRROR_QREG_GLOBAL_SCOPE_NAMESPACE(inet)

MIRROR_QREG_ENUM(
    inet, protocol,
    (http)(https)(ftp)
)

MIRROR_QREG_POD_CLASS(
    struct, inet, ip_v4_address,
    (a)(b)(c)(d)
)

MIRROR_QREG_POD_CLASS(
    struct, inet, parameter,
    (name)(value)
)

MIRROR_QREG_POD_CLASS(
    struct, inet, url,
    (scheme)(host)(port)(path)(parameters)
)

MIRROR_QREG_POD_CLASS(
    struct, inet, bookmark,
    (title)(location)
)

MIRROR_REG_END

int main(void)
{
    using namespace mirror;
    //
    boost::none_t none = boost::none_t();
    inet::ip_v4_address localhost = {127,0,0,1};
    inet::ip_v4_address router_ip = {192,168,1,254};
    //
    std::list<inet::bookmark> bookmarks = {
    {
        "Boost C++ libraries",
        {
            inet::protocol::http,
            std::string("www.boost.org"), none,
            {}, {}
        }
    },
    {
        "Google search: C++ reflection",
        {
            inet::protocol::http,
            std::string("www.google.com"), none,
            {}, {{"hl", "sk"},{"source", "hp"},{"q","C%2B%2B+reflection"}}
        }
    },
    {
        "Facebook Login",
        {
            inet::protocol::https,
            std::string("www.facebook.com"), none,
            "login.php", {}
        }
    },
    {
        "Tomcat admin interface",
        {
            inet::protocol::http, localhost, 8080,
            "manager/html/list", {}
        }
    },
    {
        "Router admin interface",
        {
            inet::protocol::https, router_ip, 8443,
            "main.php", {{"login","administrator"}}
        }
    }
    };
    //
    auto name_maker = [](std::ostream& out){out << "bookmarks";};
    // write in XML format
    std::cout << stream::to_xml::from(bookmarks, name_maker) << std::endl;
    //
    return 0;
}

/* Example of output
 | <bookmarks>
 |     <bookmark>
 |         <title>Boost C++ libraries<title/>
 |         <location>
 |             <scheme>http<scheme/>
 |             <host>www.boost.org<host/>
 |             <port><port/>
 |             <path><path/>
 |             <parameters><parameters/>
 |         <location/>
 |     <bookmark/>
 |     <bookmark>
 |         <title>Google search: C++ reflection<title/>
 |         <location>
 |             <scheme>http<scheme/>
 |             <host>www.google.com<host/>
 |             <port><port/>
 |             <path><path/>
 |             <parameters>
 |                 <parameter>
 |                     <name>hl<name/>
 |                     <value>sk<value/>
 |                 <parameter/>
 |                 <parameter>
 |                     <name>source<name/>
 |                     <value>hp<value/>
 |                 <parameter/>
 |                 <parameter>
 |                     <name>q<name/>
 |                     <value>C%2B%2B+reflection<value/>
 |                 <parameter/>
 |             <parameters/>
 |         <location/>
 |     <bookmark/>
 |     <bookmark>
 |         <title>Facebook Login<title/>
 |         <location>
 |             <scheme>https<scheme/>
 |             <host>www.facebook.com<host/>
 |             <port><port/>
 |             <path>login.php<path/>
 |             <parameters><parameters/>
 |         <location/>
 |     <bookmark/>
 |     <bookmark>
 |         <title>Tomcat admin interface<title/>
 |         <location>
 |             <scheme>http<scheme/>
 |             <host>
 |                     <a>127<a/>
 |                     <b>0<b/>
 |                     <c>0<c/>
 |                     <d>1<d/>
 |                 <host/>
 |             <port>8080<port/>
 |             <path>manager/html/list<path/>
 |             <parameters><parameters/>
 |         <location/>
 |     <bookmark/>
 |     <bookmark>
 |         <title>Router admin interface<title/>
 |         <location>
 |             <scheme>https<scheme/>
 |             <host>
 |                     <a>192<a/>
 |                     <b>168<b/>
 |                     <c>1<c/>
 |                     <d>254<d/>
 |                 <host/>
 |             <port>8443<port/>
 |             <path>main.php<path/>
 |             <parameters>
 |                 <parameter>
 |                     <name>login<name/>
 |                     <value>administrator<value/>
 |                 <parameter/>
 |             <parameters/>
 |         <location/>
 |     <bookmark/>
 | <bookmarks/>
 */