TOMLManifestBuilder.cpp

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// SPDX-License-Identifier: BSD-3-Clause
// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/ne-app-eu/bld
 
#ifndef NEBUILD_WINDOWS
 
#include <BldKit/TOMLManifestBuilder.h>
#include <optional>
#include <toml++/toml.hpp>
#include <filesystem>
#include <optional>
 
namespace BldKit {
 
namespace FS = std::filesystem;
 
bool TOMLManifestBuilder::BuildTarget(BuildConfig& config) {
  std::string path;
 
  if (config.path_.empty()) {
    BldKit::Logger::info() << "error: file path is empty." << std::endl;
    return false;
  } else {
    path = config.path_;
 
    if (!FS::exists(path)) {
      BldKit::Logger::info() << "error: file '" << path << "' does not exist." << std::endl;
      return false;
    }
  }
 
  try {
    auto toml_file = toml::parse_file(path);
 
    try {
      auto* description = toml_file["description"].as_string();
 
      if (!description) throw std::runtime_error({});
 
      BldKit::Logger::info() << "package path: " << path << std::endl;
 
      if (description)
        BldKit::Logger::info() << "description: " << description->get() << std::endl;
    } catch (...) {
    }
 
    auto* compiler_path_ptr = toml_file["compiler_path"].as_string();
 
    if (!compiler_path_ptr) return false;
 
    std::string compiler = compiler_path_ptr->get();
    std::string command  = compiler + " ";
 
    auto* header_search_path_ptr = toml_file["compiler_headers_path"].as_array();
    
    if (!header_search_path_ptr) return false;
 
    auto header_search_path = header_search_path_ptr;
 
    if (header_search_path) {
      for (auto& headers : *header_search_path) {
        command += "-I" + headers.as_string()->get() + " ";
      }
    }
 
    auto headers_path = toml_file["headers_path"].as_array();
 
    if (headers_path) {
      for (auto& headers : *headers_path) {
        command += "-I" + headers.as_string()->get() + " ";
      }
    }
 
    auto sources_files = toml_file["sources_path"].as_array();
 
    if (sources_files) {
      for (auto& sources : *sources_files) {
        command += sources.as_string()->get() + " ";
      }
    }
 
    auto macros_list = toml_file["cpp_macros"].as_array();
 
    if (macros_list) {
      for (auto& macro : *macros_list) {
        command += "-D" + macro.as_string()->get() + " ";
      }
    }
 
    auto compiler_flags = toml_file["compiler_flags"].as_array();
 
    if (compiler_flags) {
      for (auto& flag : *compiler_flags) {
        command += flag.as_string()->get() + " ";
      }
    }
 
    if (!toml_file["compiler_std"].is_string()) return false;
 
    command += "-std=" + toml_file["compiler_std"].as_string()->get() + " ";
 
    if (toml_file["output_name"].as_string() == nullptr) return false;
 
    command += "-o " + toml_file["output_name"].as_string()->get();
 
    auto target = toml_file["output_name"].as_string()->get();
 
    BldKit::Logger::info() << "output: " << target << "\n";
 
    auto ret_exec = std::system(command.c_str());
 
    if (ret_exec > 0) {
      BldKit::Logger::info() << "error: exit with message: " << std::strerror(ret_exec) << "."
                              << std::endl;
      config.has_failed_ = true;
      return false;
    }
  } catch (const std::exception& err) {
    BldKit::Logger::info() << "error: exit with message: " << err.what() << "." << std::endl;
    config.has_failed_ = true;
    return false;
  }
 
  return true;
}
 
const std::string_view TOMLManifestBuilder::BuildSystem() {
  return "NeBuild (toml++::toml)";
}
 
}  // namespace BldKit
 
#endif