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// Copyright (C) 2020 Alexis Jeandet.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "mesoninfoparser.h"
#include "buildoptions.h"
#include "common.h"
#include "mesonpluginconstants.h"
#include <QFile>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonValue>
#include <memory>
#include <optional>
using namespace Utils;
namespace MesonProjectManager::Internal::MesonInfoParser {
static std::unique_ptr<BuildOption> loadOption(const QJsonObject &option)
{
const auto type = option["type"].toString();
if (type == "string")
return std::make_unique<StringBuildOption>(option["name"].toString(),
option["section"].toString(),
option["description"].toString(),
option["value"]);
if (type == "boolean")
return std::make_unique<BooleanBuildOption>(option["name"].toString(),
option["section"].toString(),
option["description"].toString(),
option["value"]);
if (type == "combo")
return std::make_unique<ComboBuildOption>(option["name"].toString(),
option["section"].toString(),
option["description"].toString(),
option["choices"].toVariant().toStringList(),
option["value"]);
if (type == "integer")
return std::make_unique<IntegerBuildOption>(option["name"].toString(),
option["section"].toString(),
option["description"].toString(),
option["value"]);
if (type == "array")
return std::make_unique<ArrayBuildOption>(option["name"].toString(),
option["section"].toString(),
option["description"].toString(),
option["value"].toVariant());
if (type == "feature")
return std::make_unique<FeatureBuildOption>(option["name"].toString(),
option["section"].toString(),
option["description"].toString(),
option["value"]);
return std::make_unique<UnknownBuildOption>(option["name"].toString(),
option["section"].toString(),
option["description"].toString());
}
static std::vector<std::unique_ptr<BuildOption>> loadOptions(const QJsonArray &arr)
{
std::vector<std::unique_ptr<BuildOption>> buildOptions;
std::transform(std::cbegin(arr),
std::cend(arr),
std::back_inserter(buildOptions),
[](const auto &option) { return loadOption(option.toObject()); });
return buildOptions;
}
static std::vector<std::unique_ptr<BuildOption>> buildOptionsList(const FilePath &buildDir)
{
FilePath path = buildDir / Constants::MESON_INFO_DIR / Constants::MESON_INTRO_BUIDOPTIONS;
auto arr = load<QJsonArray>(path.toFSPathString());
if (arr)
return loadOptions(*arr);
return {};
}
static std::vector<std::unique_ptr<BuildOption>> buildOptionsList(const QJsonDocument &js)
{
auto obj = get<QJsonArray>(js.object(), "buildoptions");
if (obj)
return loadOptions(*obj);
return {};
}
static Target::SourceGroup extract_source(const QJsonValue &source)
{
const auto srcObj = source.toObject();
return {
srcObj["language"].toString(),
srcObj["compiler"].toVariant().toStringList(),
srcObj["parameters"].toVariant().toStringList(),
srcObj["sources"].toVariant().toStringList(),
srcObj["generated_sources"].toVariant().toStringList()
};
}
static Target::SourceGroupList extract_sources(const QJsonArray &sources)
{
Target::SourceGroupList res;
std::transform(std::cbegin(sources), std::cend(sources), std::back_inserter(res), extract_source);
return res;
}
static Target extract_target(const QJsonValue &target)
{
auto targetObj = target.toObject();
return {
targetObj["type"].toString(),
targetObj["name"].toString(),
targetObj["id"].toString(),
targetObj["defined_in"].toString(),
targetObj["filename"].toVariant().toStringList(),
targetObj["extra_files"].toVariant().toStringList(),
targetObj["subproject"].toString(),
extract_sources(targetObj["target_sources"].toArray()),
targetObj["build_by_default"].toBool()
};
}
static TargetsList load_targets(const QJsonArray &arr)
{
TargetsList targets;
std::transform(std::cbegin(arr), std::cend(arr), std::back_inserter(targets), extract_target);
return targets;
}
static TargetsList targetsList(const QJsonDocument &js)
{
if (auto obj = get<QJsonArray>(js.object(), "targets"))
return load_targets(*obj);
return {};
}
static TargetsList targetsList(const FilePath &buildDir)
{
const FilePath path = buildDir / Constants::MESON_INFO_DIR / Constants::MESON_INTRO_TARGETS;
if (auto arr = load<QJsonArray>(path.toFSPathString()))
return load_targets(*arr);
return {};
}
static void appendFiles(const std::optional<QJsonArray> &arr, FilePaths &dest)
{
if (!arr)
return;
std::transform(std::cbegin(*arr), std::cend(*arr), std::back_inserter(dest), [](const auto &file) {
return FilePath::fromString(file.toString());
});
}
static FilePaths files(const FilePath &buildDir)
{
FilePaths files;
FilePath path = buildDir / Constants::MESON_INFO_DIR / Constants::MESON_INTRO_BUILDSYSTEM_FILES;
auto arr = load<QJsonArray>(path.toFSPathString());
appendFiles(arr, files);
return files;
}
static FilePaths files(const QJsonDocument &js)
{
FilePaths files;
auto arr = get<QJsonArray>(js.object(), "projectinfo", "buildsystem_files");
appendFiles(arr, files);
const auto subprojects = get<QJsonArray>(js.object(), "projectinfo", "subprojects");
for (const auto &subproject : *subprojects) {
auto arr = get<QJsonArray>(subproject.toObject(), "buildsystem_files");
appendFiles(arr, files);
}
return files;
}
Result parse(const FilePath &buildDir)
{
return {targetsList(buildDir), buildOptionsList(buildDir), files(buildDir)};
}
Result parse(const QByteArray &data)
{
const auto json = QJsonDocument::fromJson(data);
return {targetsList(json), buildOptionsList(json), files(json)};
}
Result parse(QIODevice *introFile)
{
if (!introFile)
return {};
if (!introFile->isOpen())
introFile->open(QIODevice::ReadOnly | QIODevice::Text);
introFile->seek(0);
auto data = introFile->readAll();
return parse(data);
}
} // namespace MesonProjectManager::Internal::MesonInfoParser
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