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Diffstat (limited to 'src/declarative/qml/ftw/qfastmetabuilder.cpp')
| -rw-r--r-- | src/declarative/qml/ftw/qfastmetabuilder.cpp | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/src/declarative/qml/ftw/qfastmetabuilder.cpp b/src/declarative/qml/ftw/qfastmetabuilder.cpp deleted file mode 100644 index 0395ab3309..0000000000 --- a/src/declarative/qml/ftw/qfastmetabuilder.cpp +++ /dev/null @@ -1,369 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qfastmetabuilder_p.h" - -#include <QtCore/qmetaobject.h> - -QT_BEGIN_NAMESPACE - -struct QFastMetaBuilderHeader -{ - int fieldCount; -}; - -struct QMetaObjectPrivate -{ - int revision; - int className; - int classInfoCount, classInfoData; - int methodCount, methodData; - int propertyCount, propertyData; - int enumeratorCount, enumeratorData; - int constructorCount, constructorData; //since revision 2 - int flags; //since revision 3 - int signalCount; //since revision 4 -}; - -enum MetaObjectFlag { - DynamicMetaObject = 0x01 -}; - -enum PropertyFlags { - Invalid = 0x00000000, - Readable = 0x00000001, - Writable = 0x00000002, - Resettable = 0x00000004, - EnumOrFlag = 0x00000008, - StdCppSet = 0x00000100, -// Override = 0x00000200, - Constant = 0x00000400, - Final = 0x00000800, - Designable = 0x00001000, - ResolveDesignable = 0x00002000, - Scriptable = 0x00004000, - ResolveScriptable = 0x00008000, - Stored = 0x00010000, - ResolveStored = 0x00020000, - Editable = 0x00040000, - ResolveEditable = 0x00080000, - User = 0x00100000, - ResolveUser = 0x00200000, - Notify = 0x00400000, - Revisioned = 0x00800000 -}; - -enum MethodFlags { - AccessPrivate = 0x00, - AccessProtected = 0x01, - AccessPublic = 0x02, - AccessMask = 0x03, //mask - - MethodMethod = 0x00, - MethodSignal = 0x04, - MethodSlot = 0x08, - MethodConstructor = 0x0c, - MethodTypeMask = 0x0c, - - MethodCompatibility = 0x10, - MethodCloned = 0x20, - MethodScriptable = 0x40, - MethodRevisioned = 0x80 -}; - -#define FMBHEADER_FIELD_COUNT 1 - -#define HEADER_FIELD_COUNT 14 -#define CLASSINFO_FIELD_COUNT 2 -#define METHOD_FIELD_COUNT 5 -#define PROPERTY_FIELD_COUNT 3 -#define PROPERTY_NOTIFY_FIELD_COUNT 1 - -static inline uint *fieldPointer(QByteArray &data) -{ return reinterpret_cast<uint *>(data.data()) + FMBHEADER_FIELD_COUNT; } - -static inline const uint *fieldPointer(const QByteArray &data) -{ return reinterpret_cast<const uint *>(data.constData()) + FMBHEADER_FIELD_COUNT; } - -static inline QMetaObjectPrivate *priv(QByteArray &data) -{ return reinterpret_cast<QMetaObjectPrivate*>(fieldPointer(data)); } - -static inline const QMetaObjectPrivate *priv(const QByteArray &data) -{ return reinterpret_cast<const QMetaObjectPrivate*>(fieldPointer(data)); } - -static inline QFastMetaBuilderHeader *header(QByteArray &data) -{ return reinterpret_cast<QFastMetaBuilderHeader*>(data.data()); } - -static inline const QFastMetaBuilderHeader *header(const QByteArray &data) -{ return reinterpret_cast<const QFastMetaBuilderHeader*>(data.constData()); } - -QFastMetaBuilder::QFastMetaBuilder() -: m_zeroPtr(0), m_stringData(0), m_stringDataLength(0), m_stringDataAllocated(0) -{ -} - -QFastMetaBuilder::~QFastMetaBuilder() -{ -} - -QFastMetaBuilder::StringRef QFastMetaBuilder::init(int classNameLength, - int propertyCount, int methodCount, - int signalCount, int classInfoCount) -{ - Q_ASSERT(m_data.isEmpty()); - Q_ASSERT(classNameLength > 0); - Q_ASSERT(propertyCount >= 0); - Q_ASSERT(methodCount >= 0); - Q_ASSERT(signalCount >= 0); - Q_ASSERT(classInfoCount >= 0); - - int fieldCount = FMBHEADER_FIELD_COUNT + - HEADER_FIELD_COUNT + - propertyCount * (PROPERTY_FIELD_COUNT + PROPERTY_NOTIFY_FIELD_COUNT) + - methodCount * (METHOD_FIELD_COUNT) + - signalCount * (METHOD_FIELD_COUNT) + - classInfoCount * CLASSINFO_FIELD_COUNT; - - m_data.resize(fieldCount * sizeof(uint) + classNameLength + 1); - m_stringData = m_data.data() + m_data.size() - classNameLength - 1; - m_stringDataLength = classNameLength + 1; - m_stringDataAllocated = classNameLength + 1; - m_stringData[classNameLength] = 0; - m_zeroPtr = classNameLength; - - header(m_data)->fieldCount = fieldCount; - - QMetaObjectPrivate *p = priv(m_data); - - int dataIndex = HEADER_FIELD_COUNT; - - p->revision = 4; - p->className = 0; - - // Class infos - p->classInfoCount = classInfoCount; - if (p->classInfoCount) { - p->classInfoData = dataIndex; - dataIndex += p->classInfoCount * CLASSINFO_FIELD_COUNT; - } else { - p->classInfoData = 0; - } - - // Methods - p->methodCount = methodCount + signalCount; - if (p->methodCount) { - p->methodData = dataIndex; - dataIndex += p->methodCount * METHOD_FIELD_COUNT; - } else { - p->methodData = 0; - } - p->signalCount = signalCount; - - // Properties - p->propertyCount = propertyCount; - if (p->propertyCount) { - p->propertyData = dataIndex; - dataIndex += p->propertyCount * (PROPERTY_FIELD_COUNT + PROPERTY_NOTIFY_FIELD_COUNT); - } else { - p->propertyData = 0; - } - - // Flags - p->flags = DynamicMetaObject; // Always dynamic - - // Enums and constructors not supported - p->enumeratorCount = 0; - p->enumeratorData = 0; - p->constructorCount = 0; - p->constructorData = 0; - - StringRef className; - className._b = this; - className._o = 0; - className._l = classNameLength; - return className; -} - -// Allocate a string of \a length. \a length should *not* include the null terminator. -QFastMetaBuilder::StringRef QFastMetaBuilder::newString(int length) -{ - Q_ASSERT(length > 0); - - StringRef sr; - sr._b = this; - sr._o = m_stringDataLength; - sr._l = length; - - m_stringDataLength += length + 1 /* for null terminator */; - - return sr; -} - -void QFastMetaBuilder::setClassInfo(int index, const StringRef &key, const StringRef &value) -{ - Q_ASSERT(!m_data.isEmpty()); - Q_ASSERT(!key.isEmpty() && !value.isEmpty()); - - QMetaObjectPrivate *p = priv(m_data); - Q_ASSERT(index < p->classInfoCount); - - uint *ptr = fieldPointer(m_data) + p->classInfoData + index * CLASSINFO_FIELD_COUNT; - // classinfo: key, value - ptr[0] = key.offset(); ptr[1] = value.offset(); -} - -void QFastMetaBuilder::setProperty(int index, const StringRef &name, const StringRef &type, - QMetaType::Type mtype, PropertyFlag flags, int notifySignal) -{ - Q_ASSERT(!m_data.isEmpty()); - Q_ASSERT(!name.isEmpty() && !type.isEmpty()); - - QMetaObjectPrivate *p = priv(m_data); - Q_ASSERT(index < p->propertyCount); - - uint *ptr = fieldPointer(m_data) + p->propertyData + index * PROPERTY_FIELD_COUNT; - // properties: name, type, flags - ptr[0] = name.offset(); - ptr[1] = type.offset(); - if (notifySignal == -1) { - ptr[2] = mtype << 24; - ptr[2] |= flags | Scriptable | Readable; - *(fieldPointer(m_data) + p->propertyData + p->propertyCount * PROPERTY_FIELD_COUNT + index) = 0; - } else { - ptr[2] = mtype << 24; - ptr[2] |= flags | Scriptable | Readable | Notify; - *(fieldPointer(m_data) + p->propertyData + p->propertyCount * PROPERTY_FIELD_COUNT + index) = notifySignal; - } -} - -void QFastMetaBuilder::setProperty(int index, const StringRef &name, const StringRef &type, - QFastMetaBuilder::PropertyFlag flags, int notifySignal) -{ - Q_ASSERT(!m_data.isEmpty()); - Q_ASSERT(!name.isEmpty() && !type.isEmpty()); - - QMetaObjectPrivate *p = priv(m_data); - Q_ASSERT(index < p->propertyCount); - - uint *ptr = fieldPointer(m_data) + p->propertyData + index * PROPERTY_FIELD_COUNT; - // properties: name, type, flags - ptr[0] = name.offset(); - ptr[1] = type.offset(); - if (notifySignal == -1) { - ptr[2] = flags | Scriptable | Readable; - *(fieldPointer(m_data) + p->propertyData + p->propertyCount * PROPERTY_FIELD_COUNT + index) = 0; - } else { - ptr[2] = flags | Scriptable | Readable | Notify; - *(fieldPointer(m_data) + p->propertyData + p->propertyCount * PROPERTY_FIELD_COUNT + index) = notifySignal; - } -} - -void QFastMetaBuilder::setSignal(int index, const StringRef &signature, - const StringRef ¶meterNames, - const StringRef &type) -{ - Q_ASSERT(!m_data.isEmpty()); - Q_ASSERT(!signature.isEmpty()); - - QMetaObjectPrivate *p = priv(m_data); - int mindex = metaObjectIndexForSignal(index); - - uint *ptr = fieldPointer(m_data) + p->methodData + mindex * METHOD_FIELD_COUNT; - // methods: signature, parameters, type, tag, flags - ptr[0] = signature.offset(); - ptr[1] = parameterNames.isEmpty()?m_zeroPtr:parameterNames.offset(); - ptr[2] = type.isEmpty()?m_zeroPtr:type.offset(); - ptr[3] = m_zeroPtr; - ptr[4] = AccessProtected | MethodSignal; -} - -void QFastMetaBuilder::setMethod(int index, const StringRef &signature, - const StringRef ¶meterNames, - const StringRef &type) -{ - Q_ASSERT(!m_data.isEmpty()); - Q_ASSERT(!signature.isEmpty()); - - QMetaObjectPrivate *p = priv(m_data); - int mindex = metaObjectIndexForMethod(index); - - uint *ptr = fieldPointer(m_data) + p->methodData + mindex * METHOD_FIELD_COUNT; - // methods: signature, parameters, type, tag, flags - ptr[0] = signature.offset(); - ptr[1] = parameterNames.isEmpty()?m_zeroPtr:parameterNames.offset(); - ptr[2] = type.isEmpty()?m_zeroPtr:type.offset(); - ptr[3] = m_zeroPtr; - ptr[4] = AccessProtected | MethodSlot; -} - -int QFastMetaBuilder::metaObjectIndexForSignal(int index) const -{ - Q_ASSERT(!m_data.isEmpty()); - Q_ASSERT(index < priv(m_data)->signalCount); - return index; -} - -int QFastMetaBuilder::metaObjectIndexForMethod(int index) const -{ - Q_ASSERT(!m_data.isEmpty()); - - const QMetaObjectPrivate *p = priv(m_data); - Q_ASSERT(index < (p->methodCount - p->signalCount)); - return index + p->signalCount; -} - -void QFastMetaBuilder::allocateStringData() -{ - if (m_stringDataAllocated < m_stringDataLength) { - m_data.resize(m_data.size() + m_stringDataLength - m_stringDataAllocated); - m_stringDataAllocated = m_stringDataLength; - m_stringData = m_data.data() + header(m_data)->fieldCount * sizeof(uint); - } -} - -void QFastMetaBuilder::fromData(QMetaObject *output, const QMetaObject *parent, const QByteArray &data) -{ - output->d.superdata = parent; - output->d.stringdata = data.constData() + header(data)->fieldCount * sizeof(uint); - output->d.data = fieldPointer(data); -} - -QT_END_NAMESPACE |