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Mirror reflection library 0.5.13
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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 JSON 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/utils/quick_reg.hpp> #include <mirror/stream/json.hpp> #include <iostream> namespace music { enum class genre { rock, alt_rock, hard_rock, rap, hip_hop, pop, jazz }; struct album { std::string title; short year; std::list<std::string> tracks; }; struct band_membership { short year_from; boost::optional<short> year_to; std::list<std::string> roles; }; struct musican { boost::optional<std::string> nickname; std::string first_name; std::string family_name; std::list<band_membership> membership; }; struct band { std::string name; std::list<genre> genres; std::list<musican> members; std::list<album> albums; }; } // namespace music MIRROR_REG_BEGIN MIRROR_QREG_GLOBAL_SCOPE_NAMESPACE(music) MIRROR_QREG_ENUM( music, genre, (rock)(alt_rock)(hard_rock)(rap)(hip_hop)(pop)(jazz) ) MIRROR_QREG_POD_CLASS( struct, music, album, (title)(year)(tracks) ) MIRROR_QREG_POD_CLASS( struct, music, band_membership, (year_from)(year_to)(roles) ) MIRROR_QREG_POD_CLASS( struct, music, musican, (nickname)(first_name)(family_name)(membership) ) MIRROR_QREG_POD_CLASS( struct, music, band, (name)(genres)(members)(albums) ) MIRROR_REG_END int main(void) { boost::none_t none = boost::none_t(); using namespace mirror; // std::list<music::band> bands = { { "Radiohead", {music::genre::alt_rock}, { {none, "Thom", "Yorke", {{1985, none, {"vocals", "guitar", "piano"}}}}, {none, "Johnny", "Greenwood", {{1985, none, {"guitar", "keyboards", "other instruments"}}}}, {none, "Ed", "O'Brien", {{1985, none, {"guitar", "backing vocals"}}}}, {none, "Colin", "Greenwood", {{1985, none, {"bass", "synthesizers"}}}}, {none, "Phil", "Selway", {{1985, none, {"drums", "percussion"}}}} }, { {"Pablo Honey", 1993, {"You", "Creep", "..."}}, {"The Bends", 1995, {"Planet Telex", "The Bends", "..."}}, {"Ok Computer", 1997, {"Airbag", "Paranoid Android", "..."}}, {"Kid A", 2000, {"Everything in Its Right Place", "..."}}, {"Amnesiac", 2001, {"Packt Like Sardines in a Crushd Tin Box", "..."}}, {"Hail to the Thief", 2003, {"2 + 2 = 5", "..."}}, {"In Rainbows", 2007, {"15 Step", "Bodysnatchers", "..."}}, {"The King of Limbs", 2011, {"Bloom", "Morning Mr. Magpie", "..."}} } }, { "U2", {music::genre::rock, music::genre::pop}, { {std::string("Bono Vox"), "Paul", "Hewson", {{1971, none, {"vocals", "guitar"}}}}, {std::string("The Edge"), "David", "Evans", {{1971, none, {"guitar", "keyboards", "vocals"}}}}, {none, "Adam", "Clayton", {{1971, none, {"bass guitar"}}}}, {none, "Larry Jr.", "Mullen", {{1971, none, {"drums", "percussion"}}}} }, { {"Boy", 1980, {"I will follow", "Twilight", "..."}}, {"October", 1981, {"Gloria", "I fall down", "..."}}, {"War", 1983, {"Sunday Bloody Sunday", "Seconds", "New Year's Day", "..."}}, {"The Unforgettable Fire", 1984, {"A Sort of homecomming", "..."}}, {"The Joshua Tree", 1987, {"Where the Streets Have No Name", "..."}}, {"Rattle and Hum", 1988, {"Helter Skelter", "Van Diemen's Land", "..."}}, {"Achtung Baby", 1991, {"Zoo Station", "Even Better Than the Real Thing", "..."}}, {"Zooropa", 1993, {"Zooropa", "Babyface", "..."}}, {"Pop", 1997, {u8"Discothèque", "..."}}, {"All That You Can't Leave Behind", 2000, {"Beautiful Day", "..."}}, {"How to Dismantle an Atomic Bomb", 2004, {"Vertigo", "Miracle Drug", "..."}}, {"No Line on the Horizon", 2009, {"No Line on the Horizon", "..."}} } }, { "Rage Against the Machine", {music::genre::rock, music::genre::rap}, { {none, "Zack", "de la Rocha", {{1991, 2000, {"vocals"}},{2007, none, {"vocals"}}}}, {none, "Tom", "Morello", {{1991, 2000, {"guitar"}},{2007, none, {"guitar"}}}}, {none, "Tim", "Commerford", {{1992, 2000, {"bass", "backing vocals"}},{2007, none, {"bass"}}}}, {none, "Brad", "Wilk", {{1991, 2000, {"drums"}},{2007, none, {"drums"}}}} }, { {"Rage Against the Machine", 1992, {"Bombtrack", "Killing in the Name", "..."}}, {"Evil Empire", 1996, {"People of the Sun", "Bulls on Parade", "..."}}, {"The Battle of Los Angeles", 1999, {"Testify", "Guerrilla Radio", "..."}}, {"Renegades", 2000, {"Microphone Fiend", "..."}} } }, { "Audioslave", {music::genre::rock}, { {none, "Chris", "Cornell", {{2000, 2007, {"vocals", "rythm guitar"}}}}, {none, "Tom", "Morello", {{2000, 2007, {"guitar"}}}}, {none, "Tim", "Commerford", {{2000, 2007, {"bass guitar", "backing vocals"}}}}, {none, "Brad", "Wilk", {{2000, 2007, {"drums"}}}} }, { {"Audioslave", 2002, {"Cochise", "Show Me How to Live", "Gasoline", "What You Are", "Like a Stone", "..."}}, {"Out of Exile", 2005, {"Your Time Has Come", "Out of Exile", "..."}}, {"Revelations", 2006, {"Revelations", "One and the Same", "..."}} } } }; auto name_maker = [](std::ostream& out){out << "bands";}; // write in JSON format std::cout << stream::to_json::from(bands, name_maker) << std::endl; // return 0; } /* Example of output: | "bands": [ | { | "name": "Radiohead", | "genres": [ | "alt_rock" | ], | "members": [ | { | "nickname": nil, | "first_name": "Thom", | "family_name": "Yorke", | "membership": [ | { | "year_from": 1985, | "year_to": nil, | "roles": [ | "vocals", "guitar", "piano" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Johnny", | "family_name": "Greenwood", | "membership": [ | { | "year_from": 1985, | "year_to": nil, | "roles": [ | "guitar", "keyboards", "other instruments" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Ed", | "family_name": "O\'Brien", | "membership": [ | { | "year_from": 1985, | "year_to": nil, | "roles": [ | "guitar", "backing vocals" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Colin", | "family_name": "Greenwood", | "membership": [ | { | "year_from": 1985, | "year_to": nil, | "roles": [ | "bass", "synthesizers" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Phil", | "family_name": "Selway", | "membership": [ | { | "year_from": 1985, | "year_to": nil, | "roles": [ | "drums", "percussion" | ] | } | ] | } | ], | "albums": [ | { | "title": "Pablo Honey", | "year": 1993, | "tracks": [ | "You", "Creep", "..." | ] | }, { | "title": "The Bends", | "year": 1995, | "tracks": [ | "Planet Telex", "The Bends", "..." | ] | }, { | "title": "Ok Computer", | "year": 1997, | "tracks": [ | "Airbag", "Paranoid Android", "..." | ] | }, { | "title": "Kid A", | "year": 2000, | "tracks": [ | "Everything in Its Right Place", "..." | ] | }, { | "title": "Amnesiac", | "year": 2001, | "tracks": [ | "Packt Like Sardines in a Crushd Tin Box", "..." | ] | }, { | "title": "Hail to the Thief", | "year": 2003, | "tracks": [ | "2 + 2 = 5", "..." | ] | }, { | "title": "In Rainbows", | "year": 2007, | "tracks": [ | "15 Step", "Bodysnatchers", "..." | ] | }, { | "title": "The King of Limbs", | "year": 2011, | "tracks": [ | "Bloom", "Morning Mr. Magpie", "..." | ] | } | ] | }, { | "name": "U2", | "genres": [ | "rock", "pop" | ], | "members": [ | { | "nickname": "Bono Vox", | "first_name": "Paul", | "family_name": "Hewson", | "membership": [ | { | "year_from": 1971, | "year_to": nil, | "roles": [ | "vocals", "guitar" | ] | } | ] | }, { | "nickname": "The Edge", | "first_name": "David", | "family_name": "Evans", | "membership": [ | { | "year_from": 1971, | "year_to": nil, | "roles": [ | "guitar", "keyboards", "vocals" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Adam", | "family_name": "Clayton", | "membership": [ | { | "year_from": 1971, | "year_to": nil, | "roles": [ | "bass guitar" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Larry Jr.", | "family_name": "Mullen", | "membership": [ | { | "year_from": 1971, | "year_to": nil, | "roles": [ | "drums", "percussion" | ] | } | ] | } | ], | "albums": [ | { | "title": "Boy", | "year": 1980, | "tracks": [ | "I will follow", "Twilight", "..." | ] | }, { | "title": "October", | "year": 1981, | "tracks": [ | "Gloria", "I fall down", "..." | ] | }, { | "title": "War", | "year": 1983, | "tracks": [ | "Sunday Bloody Sunday", "Seconds", "New Year\'s Day", "..." | ] | }, { | "title": "The Unforgettable Fire", | "year": 1984, | "tracks": [ | "A Sort of homecomming", "..." | ] | }, { | "title": "The Joshua Tree", | "year": 1987, | "tracks": [ | "Where the Streets Have No Name", "..." | ] | }, { | "title": "Rattle and Hum", | "year": 1988, | "tracks": [ | "Helter Skelter", "Van Diemen\'s Land", "..." | ] | }, { | "title": "Achtung Baby", | "year": 1991, | "tracks": [ | "Zoo Station", "Even Better Than the Real Thing", "..." | ] | }, { | "title": "Zooropa", | "year": 1993, | "tracks": [ | "Zooropa", "Babyface", "..." | ] | }, { | "title": "Pop", | "year": 1997, | "tracks": [ | "Discothèque", "..." | ] | }, { | "title": "All That You Can\'t Leave Behind", | "year": 2000, | "tracks": [ | "Beautiful Day", "..." | ] | }, { | "title": "How to Dismantle an Atomic Bomb", | "year": 2004, | "tracks": [ | "Vertigo", "Miracle Drug", "..." | ] | }, { | "title": "No Line on the Horizon", | "year": 2009, | "tracks": [ | "No Line on the Horizon", "..." | ] | } | ] | }, { | "name": "Rage Against the Machine", | "genres": [ | "rock", "rap" | ], | "members": [ | { | "nickname": nil, | "first_name": "Zack", | "family_name": "de la Rocha", | "membership": [ | { | "year_from": 1991, | "year_to": 2000, | "roles": [ | "vocals" | ] | }, { | "year_from": 2007, | "year_to": nil, | "roles": [ | "vocals" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Tom", | "family_name": "Morello", | "membership": [ | { | "year_from": 1991, | "year_to": 2000, | "roles": [ | "guitar" | ] | }, { | "year_from": 2007, | "year_to": nil, | "roles": [ | "guitar" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Tim", | "family_name": "Commerford", | "membership": [ | { | "year_from": 1992, | "year_to": 2000, | "roles": [ | "bass", "backing vocals" | ] | }, { | "year_from": 2007, | "year_to": nil, | "roles": [ | "bass" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Brad", | "family_name": "Wilk", | "membership": [ | { | "year_from": 1991, | "year_to": 2000, | "roles": [ | "drums" | ] | }, { | "year_from": 2007, | "year_to": nil, | "roles": [ | "drums" | ] | } | ] | } | ], | "albums": [ | { | "title": "Rage Against the Machine", | "year": 1992, | "tracks": [ | "Bombtrack", "Killing in the Name", "..." | ] | }, { | "title": "Evil Empire", | "year": 1996, | "tracks": [ | "People of the Sun", "Bulls on Parade", "..." | ] | }, { | "title": "The Battle of Los Angeles", | "year": 1999, | "tracks": [ | "Testify", "Guerrilla Radio", "..." | ] | }, { | "title": "Renegades", | "year": 2000, | "tracks": [ | "Microphone Fiend", "..." | ] | } | ] | }, { | "name": "Audioslave", | "genres": [ | "rock" | ], | "members": [ | { | "nickname": nil, | "first_name": "Chris", | "family_name": "Cornell", | "membership": [ | { | "year_from": 2000, | "year_to": 2007, | "roles": [ | "vocals", "rythm guitar" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Tom", | "family_name": "Morello", | "membership": [ | { | "year_from": 2000, | "year_to": 2007, | "roles": [ | "guitar" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Tim", | "family_name": "Commerford", | "membership": [ | { | "year_from": 2000, | "year_to": 2007, | "roles": [ | "bass guitar", "backing vocals" | ] | } | ] | }, { | "nickname": nil, | "first_name": "Brad", | "family_name": "Wilk", | "membership": [ | { | "year_from": 2000, | "year_to": 2007, | "roles": [ | "drums" | ] | } | ] | } | ], | "albums": [ | { | "title": "Audioslave", | "year": 2002, | "tracks": [ | "Cochise", "Show Me How to Live", "Gasoline", "What You Are", "Like a Stone", "..." | ] | }, { | "title": "Out of Exile", | "year": 2005, | "tracks": [ | "Your Time Has Come", "Out of Exile", "..." | ] | }, { | "title": "Revelations", | "year": 2006, | "tracks": [ | "Revelations", "One and the Same", "..." | ] | } | ] | } | ] */