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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "qtmoduleinfo.h"
#include "utils.h"
#include <QDirListing>
#include <QJsonDocument>
#include <QJsonArray>
#include <QDebug>
#include <iostream>
#include <algorithm>
#include <unordered_map>
using namespace Qt::StringLiterals;
static QStringList toStringList(const QJsonArray &jsonArray)
{
QStringList result;
for (const auto &item : jsonArray) {
if (item.isString())
result.append(item.toString());
}
return result;
}
struct TranslationCatalog
{
QString name;
QStringList repositories;
QStringList modules;
};
using TranslationCatalogs = std::vector<TranslationCatalog>;
static TranslationCatalogs readTranslationsCatalogs(const QString &translationsDir,
bool verbose,
QString *errorString)
{
QFile file(translationsDir + QLatin1String("/catalogs.json"));
if (verbose) {
std::wcerr << "Trying to read translation catalogs from \""
<< qUtf8Printable(file.fileName()) << "\".\n";
}
if (!file.open(QIODevice::ReadOnly)) {
*errorString = QLatin1String("Cannot open ") + file.fileName();
return {};
}
QJsonParseError jsonParseError;
QJsonDocument document = QJsonDocument::fromJson(file.readAll(), &jsonParseError);
if (jsonParseError.error != QJsonParseError::NoError) {
*errorString = jsonParseError.errorString();
return {};
}
if (!document.isArray()) {
*errorString = QLatin1String("Expected an array as root element of ") + file.fileName();
return {};
}
TranslationCatalogs catalogs;
for (const QJsonValueRef &item : document.array()) {
TranslationCatalog catalog;
catalog.name = item[QLatin1String("name")].toString();
catalog.repositories = toStringList(item[QLatin1String("repositories")].toArray());
catalog.modules = toStringList(item[QLatin1String("modules")].toArray());
if (verbose)
std::wcerr << "Found catalog \"" << qUtf8Printable(catalog.name) << "\".\n";
catalogs.emplace_back(std::move(catalog));
}
return catalogs;
}
static QtModule moduleFromJsonFile(const QString &filePath, QString *errorString)
{
QFile file(filePath);
if (!file.open(QIODevice::ReadOnly)) {
*errorString = QLatin1String("Cannot open ") + file.fileName();
return {};
}
QJsonParseError jsonParseError;
QJsonDocument document = QJsonDocument::fromJson(file.readAll(), &jsonParseError);
if (jsonParseError.error != QJsonParseError::NoError) {
*errorString = jsonParseError.errorString();
return {};
}
if (!document.isObject()) {
*errorString = QLatin1String("Expected an object as root element of ") + file.fileName();
return {};
}
const QJsonObject obj = document.object();
QtModule module;
module.name = "Qt6"_L1 + obj[QLatin1String("name")].toString();
module.repository = obj[QLatin1String("repository")].toString();
module.internal = obj[QLatin1String("internal")].toBool();
module.pluginTypes = toStringList(obj[QLatin1String("plugin_types")].toArray());
return module;
}
static void dump(const QtModule &module)
{
std::wcerr << "Found module \"" << qUtf8Printable(module.name) << "\".\n";
if (!module.pluginTypes.isEmpty())
qDebug().nospace() << " plugin types: " << module.pluginTypes;
if (!module.translationCatalog.isEmpty())
qDebug().nospace() << " translation catalog: "<< module.translationCatalog;
}
bool QtModuleInfoStore::populate(const QString &modulesDir, const QString &translationsDir,
bool verbose, QString *errorString)
{
const TranslationCatalogs catalogs = readTranslationsCatalogs(translationsDir, verbose,
errorString);
if (!errorString->isEmpty()) {
std::wcerr << "Warning: Translations will not be available due to the following error."
<< std::endl << *errorString << std::endl;
errorString->clear();
}
std::unordered_map<QString, QString> moduleToCatalogMap;
std::unordered_map<QString, QString> repositoryToCatalogMap;
for (const TranslationCatalog &catalog : catalogs) {
for (const QString &module : catalog.modules) {
moduleToCatalogMap.insert(std::make_pair(module, catalog.name));
}
for (const QString &repository : catalog.repositories) {
repositoryToCatalogMap.insert(std::make_pair(repository, catalog.name));
}
}
// Read modules, and assign a bit as ID.
for (const auto &dirEntry : QDirListing(modulesDir, {u"*.json"_s}, QDir::Files)) {
QtModule module = moduleFromJsonFile(dirEntry.filePath(), errorString);
if (!errorString->isEmpty())
return false;
if (module.internal && module.name.endsWith(QStringLiteral("Private")))
module.name.chop(7);
module.id = modules.size();
if (module.id == QtModule::InvalidId) {
*errorString = "Internal Error: too many modules for ModuleBitset to hold."_L1;
return false;
}
{
auto it = moduleToCatalogMap.find(module.name);
if (it != moduleToCatalogMap.end())
module.translationCatalog = it->second;
}
if (module.translationCatalog.isEmpty()) {
auto it = repositoryToCatalogMap.find(module.repository);
if (it != repositoryToCatalogMap.end())
module.translationCatalog = it->second;
}
if (verbose)
dump(module);
modules.emplace_back(std::move(module));
}
return true;
}
const QtModule &QtModuleInfoStore::moduleById(size_t id) const
{
return modules.at(id);
}
size_t QtModuleInfoStore::moduleIdForPluginType(const QString &pluginType) const
{
auto moduleHasPluginType = [&pluginType] (const QtModule &module) {
return module.pluginTypes.contains(pluginType);
};
auto it = std::find_if(modules.begin(), modules.end(), moduleHasPluginType);
if (it != modules.end())
return it->id ;
return QtModule::InvalidId;
}
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