/**

* @file readme.cpp

* @author karurochar

* @brief Directly taken from the README.md

* @date 2025-05-30

*

* @copyright Copyright (c) 2025

*

*/

#include <vs-xml/document-builder.hpp>

#include <vs-xml/filters.hpp>

#include <vs-xml/query.hpp>

#include <iostream>

#include <ranges>

#include <vs-xml/fwd/print.hpp>

using namespace xml;

int main(){

DocumentBuilder<builder_config_t{.symbols=xml::builder_config_t::COMPRESS_ALL}> bld;

bld.xml();

bld.comment("This is a comment!");

bld.begin("base-node");

bld.attr("hello", "world");

//Children after the attribute block.

bld.text("This is some text! <escape> sequences will be handled.");

bld.cdata("This is some cdata! <escape> sequences will be handled.");

bld.end();

auto document = *bld.close(); //Make sure to handle the return error if present in production code.

document.print(std::cout, {/*serialization configuration*/});

//Show comments only

for(auto& it: document.root().children() | std::views::filter([](auto it){return it.type()==xml::type_t::COMMENT;})){

fmt::print("{}\n",it.value().value_or("-- Empty node --"));

}

//Example of a helper filter (defined in `vs-xml/filters.hpp`)

for(auto& it: document.root().children() | filters::name("base-node")){

fmt::print("{}\n",it.value().value_or("-- Empty node --"));

}

xml::query::query_t query_a;

query_a.child().element("base-node").accept();

for(const auto& t : query_a.collect(document.root())){

fmt::print("{} @ {}\n", (int)t.type(), t.addr());

}

return 0;

}