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Diffstat (limited to 'src/tools/windeployqt/qtmoduleinfo.cpp')
| -rw-r--r-- | src/tools/windeployqt/qtmoduleinfo.cpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/tools/windeployqt/qtmoduleinfo.cpp b/src/tools/windeployqt/qtmoduleinfo.cpp new file mode 100644 index 0000000000..b928a64478 --- /dev/null +++ b/src/tools/windeployqt/qtmoduleinfo.cpp @@ -0,0 +1,183 @@ +// 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; +} |