diff options
Diffstat (limited to 'src/qmltyperegistrar/qmltypesclassdescription.cpp')
| -rw-r--r-- | src/qmltyperegistrar/qmltypesclassdescription.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/qmltyperegistrar/qmltypesclassdescription.cpp b/src/qmltyperegistrar/qmltypesclassdescription.cpp new file mode 100644 index 0000000000..8189bcd52e --- /dev/null +++ b/src/qmltyperegistrar/qmltypesclassdescription.cpp @@ -0,0 +1,161 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qmltypesclassdescription.h" + +#include <QtCore/qjsonarray.h> + +static void collectExtraVersions(const QJsonObject *component, const QString &key, + QList<int> &extraVersions) +{ + const QJsonArray &items = component->value(key).toArray(); + for (const QJsonValue &item : items) { + const QJsonObject obj = item.toObject(); + const auto revision = obj.find(QLatin1String("revision")); + if (revision != obj.end()) { + const int extraVersion = revision.value().toInt(); + if (!extraVersions.contains(extraVersion)) + extraVersions.append(extraVersion); + } + } +} + +const QJsonObject *QmlTypesClassDescription::findType(const QVector<QJsonObject> &types, + const QString &name) +{ + static const QLatin1String qualifiedClassNameKey("qualifiedClassName"); + auto it = std::lower_bound(types.begin(), types.end(), name, + [&](const QJsonObject &type, const QString &typeName) { + return type.value(qualifiedClassNameKey).toString() < typeName; + }); + + return (it != types.end() && it->value(qualifiedClassNameKey) == name) ? &(*it) : nullptr; +} + +void QmlTypesClassDescription::collect(const QJsonObject *classDef, + const QVector<QJsonObject> &types, + const QVector<QJsonObject> &foreign, + bool topLevel) +{ + const auto classInfos = classDef->value(QLatin1String("classInfos")).toArray(); + for (const QJsonValue &classInfo : classInfos) { + const QJsonObject obj = classInfo.toObject(); + const QString name = obj[QLatin1String("name")].toString(); + const QString value = obj[QLatin1String("value")].toString(); + + if (name == QLatin1String("DefaultProperty")) { + if (defaultProp.isEmpty()) + defaultProp = value; + } else if (name == QLatin1String("QML.AddedInMinorVersion")) { + if (topLevel) { + addedInRevision = value.toInt(); + revisions.append(value.toInt()); + } else if (!elementName.isEmpty()) { + revisions.append(value.toInt()); + } + } + + if (!topLevel) + continue; + + // These only apply to the original class + if (name == QLatin1String("QML.Element")) { + if (value == QLatin1String("auto")) + elementName = classDef->value(QLatin1String("className")).toString(); + else if (value != QLatin1String("anonymous")) + elementName = value; + } else if (name == QLatin1String("QML.RemovedInMinorVersion")) { + removedInRevision = value.toInt(); + } else if (name == QLatin1String("QML.Creatable")) { + isCreatable = (value != QLatin1String("false")); + } else if (name == QLatin1String("QML.Attached")) { + attachedType = value; + if (const QJsonObject *other = findType(types, attachedType)) + collect(other, types, foreign, false); + else if (const QJsonObject *other = findType(foreign, attachedType)) + collect(other, types, foreign, false); + } else if (name == QLatin1String("QML.Singleton")) { + if (value == QLatin1String("true")) + isSingleton = true; + } else if (name == QLatin1String("QML.Foreign")) { + if (const QJsonObject *other = findType(foreign, value)) { + classDef = other; + if (defaultProp.isEmpty()) { + // Foreign type can have a default property + const auto classInfos = classDef->value(QLatin1String("classInfos")).toArray(); + for (const QJsonValue &classInfo : classInfos) { + QJsonObject obj = classInfo.toObject(); + if (obj[QLatin1String("name")].toString() == QLatin1String("DefaultProperty")) { + defaultProp = obj[QLatin1String("value")].toString(); + break; + } + } + } + } + } else if (name == QLatin1String("QML.Root")) { + isRootClass = true; + isBuiltin = true; + } else if (name == QLatin1String("QML.Builtin")) { + isBuiltin = true; + } + } + + if (!elementName.isEmpty()) { + collectExtraVersions(classDef, QString::fromLatin1("properties"), revisions); + collectExtraVersions(classDef, QString::fromLatin1("slots"), revisions); + collectExtraVersions(classDef, QString::fromLatin1("methods"), revisions); + collectExtraVersions(classDef, QString::fromLatin1("signals"), revisions); + } + + const auto supers = classDef->value(QLatin1String("superClasses")).toArray(); + if (!supers.isEmpty()) { + const QJsonObject superObject = supers.first().toObject(); + if (superObject[QLatin1String("access")].toString() == QLatin1String("public")) { + const QString superName = superObject[QLatin1String("name")].toString(); + if (topLevel && superClass.isEmpty()) + superClass = superName; + + if (const QJsonObject *other = findType(types, superName)) + collect(other, types, foreign, false); + else if (const QJsonObject *other = findType(foreign, superName)) + collect(other, types, foreign, false); + } + } + + if (addedInRevision == -1) { + revisions.append(0); + addedInRevision = 0; + } + + std::sort(revisions.begin(), revisions.end(), + [](int a, int b) { return QByteArray::number(a) < QByteArray::number(b); }); + const auto end = std::unique(revisions.begin(), revisions.end()); + revisions.erase(end, revisions.end()); + + resolvedClass = classDef; +} |