// Copyright 2023 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

// https://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

#include "docfx/doxygen2toc.h"

#include "docfx/doxygen2yaml.h"

#include "docfx/doxygen_groups.h"

#include "docfx/doxygen_pages.h"

#include "docfx/generate_metadata.h"

#include "docfx/parse_arguments.h"

#include "docfx/public_docs.h"

#include <fstream>

#include <iostream>

#include <stdexcept>

int main(int argc, char* argv[]) try {

auto config = docfx::ParseArguments({argv, argv + argc});

pugi::xml_document doc;

auto load = doc.load_file(config.input_filename.c_str());

if (!load) throw std::runtime_error("Error loading XML input file");

std::ofstream("docs.metadata.json") << docfx::GenerateMetadata(config);

std::ofstream("toc.yml") << docfx::Doxygen2Toc(config, doc);

for (auto const& i : doc.select_nodes("//compounddef")) {

auto const node = i.node();

if (!docfx::IncludeInPublicDocuments(config, node)) continue;

auto const kind = std::string_view{node.attribute("kind").as_string()};

auto const id = std::string{node.attribute("id").as_string()};

if (kind == "page") {

auto filename = (id == "indexpage" ? "index" : id) + ".md";

std::ofstream(filename) << docfx::Page2Markdown(node);

continue;

}

if (kind == "group") {

std::ofstream(id + ".yml") << docfx::Group2Yaml(node);

continue;

}

std::ofstream(id + ".yml") << docfx::Compound2Yaml(config, node);

}

// Enums need to be generated in their own file or DocFX cannot create links

// to them.

for (auto const& i : doc.select_nodes("//memberdef[@kind='enum']")) {

auto const node = i.node();

if (!docfx::IncludeInPublicDocuments(config, node)) continue;

auto const id = std::string{node.attribute("id").as_string()};

std::ofstream(id + ".yml") << docfx::Compound2Yaml(config, node);

}

return 0;

} catch (std::exception const& ex) {

std::cerr << "Standard exception thrown: " << ex.what() << "\n";

return 1;

}