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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
******************************************************************************/
#ifndef QQMLJSIMPORTER_P_H
#define QQMLJSIMPORTER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#include "qqmljsscope_p.h"
#include "qqmljsresourcefilemapper_p.h"
#include <QtQml/private/qqmldirparser_p.h>
QT_BEGIN_NAMESPACE
class QQmlJSImporter
{
public:
using ImportedTypes = QHash<QString, QQmlJSImportedScope>;
QQmlJSImporter(const QStringList &importPaths, QQmlJSResourceFileMapper *mapper)
: m_importPaths(importPaths)
, m_builtins({})
, m_mapper(mapper)
{}
QQmlJSResourceFileMapper *resourceFileMapper() { return m_mapper; }
void setResourceFileMapper(QQmlJSResourceFileMapper *mapper) { m_mapper = mapper; }
ImportedTypes importBuiltins();
void importQmltypes(const QStringList &qmltypesFiles);
QQmlJSScope::Ptr importFile(const QString &file);
ImportedTypes importDirectory(const QString &directory, const QString &prefix = QString());
ImportedTypes importModule(
const QString &module, const QString &prefix = QString(),
QTypeRevision version = QTypeRevision());
ImportedTypes builtinInternalNames();
QList<QQmlJS::DiagnosticMessage> takeWarnings()
{
const auto result = std::move(m_warnings);
m_warnings.clear();
return result;
}
QStringList importPaths() const { return m_importPaths; }
void setImportPaths(const QStringList &importPaths);
private:
friend class QDeferredFactory<QQmlJSScope>;
struct AvailableTypes
{
AvailableTypes(ImportedTypes builtins)
: cppNames(std::move(builtins))
{}
// C++ names used in qmltypes files for non-composite types
ImportedTypes cppNames;
// Names the importing component sees, including any prefixes
ImportedTypes qmlNames;
};
struct Import {
QHash<QString, QQmlJSScope::Ptr> objects;
QHash<QString, QQmlJSScope::Ptr> scripts;
QList<QQmlDirParser::Import> imports;
QList<QQmlDirParser::Import> dependencies;
};
AvailableTypes builtinImportHelper();
bool importHelper(const QString &module, AvailableTypes *types,
const QString &prefix = QString(), QTypeRevision version = QTypeRevision(),
bool isDependency = false, bool isFile = false);
void processImport(const Import &import, AvailableTypes *types,
const QString &prefix = QString(), QTypeRevision version = QTypeRevision());
void importDependencies(const QQmlJSImporter::Import &import, AvailableTypes *types,
const QString &prefix = QString(),
QTypeRevision version = QTypeRevision(), bool isDependency = false);
void readQmltypes(const QString &filename, QHash<QString, QQmlJSScope::Ptr> *objects,
QList<QQmlDirParser::Import> *dependencies);
Import readQmldir(const QString &dirname);
QQmlJSScope::Ptr localFile2ScopeTree(const QString &filePath);
QStringList m_importPaths;
struct CacheKey
{
QString prefix;
QString name;
QTypeRevision version;
bool isFile = false;
bool isDependency = false;
friend inline size_t qHash(const CacheKey &key, size_t seed = 0) noexcept
{
return qHashMulti(seed, key.prefix, key.name, key.version,
key.isFile, key.isDependency);
}
friend inline bool operator==(const CacheKey &a, const CacheKey &b)
{
return a.prefix == b.prefix && a.name == b.name && a.version == b.version
&& a.isFile == b.isFile && a.isDependency == b.isDependency;
}
};
QHash<QPair<QString, QTypeRevision>, QString> m_seenImports;
QHash<CacheKey, QSharedPointer<AvailableTypes>> m_cachedImportTypes;
QHash<QString, Import> m_seenQmldirFiles;
QHash<QString, QQmlJSScope::Ptr> m_importedFiles;
QList<QQmlJS::DiagnosticMessage> m_warnings;
AvailableTypes m_builtins;
QQmlJSResourceFileMapper *m_mapper = nullptr;
};
QT_END_NAMESPACE
#endif // QQMLJSIMPORTER_P_H
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