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// ============================================================= //
// NeBuild
// PURPOSE: TOML build support.
// Copyright (C) 2024-2026, Amlal El Mahrouss and NeKernel Authors, licensed under BSD-3 license.
// ============================================================= //
#include <NeBuildKit/TOMLManifestBuilder.h>
#include <filesystem>
#include <toml++/toml.hpp>
namespace NeBuild {
namespace FS = std::filesystem;
/// =========================================================== ///
/// @brief Builds a TOML target from a TOML file.
/// @param arg_sz filename size (must be 1 or greater).
/// @param arg_val filename path (must be a valid TOML file).
/// @return bool: whether the build has succeeded or not.
/// =========================================================== ///
bool TOMLManifestBuilder::BuildTarget(BuildConfig& config) {
std::string path;
if (config.path_.empty()) {
NeBuild::Logger::info() << "error: file path is empty" << std::endl;
return false;
} else {
path = config.path_;
if (!FS::exists(path)) {
NeBuild::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();
NeBuild::Logger::info() << "package path: " << path << std::endl;
if (description) NeBuild::Logger::info() << "description: " << description->get() << std::endl;
} catch (...) {
// ...
}
std::string compiler = toml_file["compiler_path"].as_string()->get();
std::string command = compiler + " ";
auto header_search_path = toml_file["compiler_headers_path"].as_array();
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();
NeBuild::Logger::info() << "output: " << target << "\n";
auto ret_exec = std::system(command.c_str());
if (ret_exec > 0) {
NeBuild::Logger::info() << "error: exit with message: " << std::strerror(ret_exec) << ""
<< std::endl;
config.has_failed_ = true;
return false;
}
} catch (const std::exception& err) {
NeBuild::Logger::info() << "error: exit with message: " << err.what() << "" << std::endl;
config.has_failed_ = true;
return false;
}
return true;
}
/// =========================================================== ///
/// @brief Returns the build system name.
/// =========================================================== ///
const std::string_view TOMLManifestBuilder::BuildSystem() {
return "NeBuild (toml++::toml)";
}
} // namespace NeBuild
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