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Diffstat (limited to 'src/script/qscriptvalueiteratorimpl.cpp')
| -rw-r--r-- | src/script/qscriptvalueiteratorimpl.cpp | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/src/script/qscriptvalueiteratorimpl.cpp b/src/script/qscriptvalueiteratorimpl.cpp deleted file mode 100644 index bfe3946..0000000 --- a/src/script/qscriptvalueiteratorimpl.cpp +++ /dev/null @@ -1,415 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the QtScript module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, 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 1.0, 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. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qscriptvalueiteratorimpl_p.h" - -#ifndef QT_NO_SCRIPT - -#include "qscriptengine_p.h" -#include "qscriptcontext_p.h" -#include "qscriptvalueimpl_p.h" -#include "qscriptmember_p.h" -#include "qscriptobject_p.h" - -QT_BEGIN_NAMESPACE - -namespace QScript { - -extern QString numberToString(qsreal value); - -} // namespace - -QScriptValueIteratorImpl::QScriptValueIteratorImpl(const QScriptValueImpl &obj) -{ - Q_ASSERT(obj.isObject()); - m_frontObject = obj; - m_member.invalidate(); - m_foundMember.invalidate(); - m_foundForward = false; - m_object = obj; - m_searchIndex = 0; - m_searchClassDataIterator = false; - m_classDataIterator = 0; - m_ignoresDontEnum = true; - m_enumerateProto = false; -} - -QScriptValueIteratorImpl::~QScriptValueIteratorImpl() -{ - if (m_classDataIterator) { - delete m_classDataIterator; - m_classDataIterator = 0; - } -} - -bool QScriptValueIteratorImpl::ignoresDontEnum() const -{ - return m_ignoresDontEnum; -} - -void QScriptValueIteratorImpl::setIgnoresDontEnum(bool ignore) -{ - m_ignoresDontEnum = ignore; -} - -bool QScriptValueIteratorImpl::enumeratePrototype() const -{ - return m_enumerateProto; -} - -void QScriptValueIteratorImpl::setEnumeratePrototype(bool enable) -{ - m_enumerateProto = enable; -} - -bool QScriptValueIteratorImpl::acceptsMember(const QScriptValueImpl &o, - const QScript::Member &m) const -{ - if (!m.isValid() || (!m_ignoresDontEnum && m.dontEnum()) - || (m.isSetter() && !m.isGetter())) { - return false; - } - - if (!m_enumerateProto || QScriptEnginePrivate::strictlyEquals(o, m_frontObject)) - return true; - - // make sure it's not a shadowed property - QScript::Member dummy; - QScriptValueImpl base; - QScriptNameIdImpl *id; - if (m.nameId()) { - id = m.nameId(); - } else { - QScriptEnginePrivate *eng_p = m_frontObject.engine(); - id = eng_p->nameId(QScript::numberToString(m.id())); - } - m_frontObject.resolve(id, &dummy, &base, QScriptValue::ResolvePrototype, QScript::Read); - return QScriptEnginePrivate::strictlyEquals(base, o); -} - -bool QScriptValueIteratorImpl::hasNext() -{ - if (m_foundMember.isValid() && m_foundForward) { - // we have the information about the next element already - return true; - } - - int idx, count; - QScriptValueImpl obj = m_object; - - if (m_searchClassDataIterator) { - Q_ASSERT(m_classDataIterator != 0); - if (m_foundMember.isValid()) { - // undo effect of hasPrevious() - m_foundMember.invalidate(); - QScript::Member dummy; - m_classDataIterator->next(&dummy); - } - goto LSearchClassData; - } - - idx = m_searchIndex; - if (m_foundMember.isValid()) { - // undo effect of hasPrevious() - m_foundMember.invalidate(); - ++idx; - } - - LSearchObjectData: - count = obj.memberCount(); - for (int i = idx; i < count; ++i) { - QScript::Member m; - obj.member(i, &m); - if (acceptsMember(obj, m)) { - m_foundObject = obj; - m_foundMember = m; - m_foundForward = true; - m_searchIndex = i + 1; - return true; - } - } - - if (!m_classDataIterator) { - QScriptClassData *data = obj.classInfo()->data(); - if (!data) - goto LNext; - m_classDataIterator = data->newIterator(obj); - if (!m_classDataIterator) - goto LNext; - } - m_searchClassDataIterator = true; - - LSearchClassData: - Q_ASSERT(m_classDataIterator != 0); - while (m_classDataIterator->hasNext()) { - QScript::Member m; - m_classDataIterator->next(&m); - if (acceptsMember(obj, m)) { - m_foundObject = obj; - m_foundMember = m; - m_foundForward = true; - return true; - } - } - - LNext: - if (!m_enumerateProto || !obj.prototype().isObject()) - return false; - - // look in prototype - obj = obj.prototype(); - idx = 0; - if (m_classDataIterator) { - delete m_classDataIterator; - m_classDataIterator = 0; - m_searchClassDataIterator = false; - } - goto LSearchObjectData; -} - -void QScriptValueIteratorImpl::next() -{ - (void)hasNext(); // sync the next-element info - m_object = m_foundObject; - m_member = m_foundMember; - m_foundObject = QScriptValueImpl(); - m_foundMember.invalidate(); -} - -bool QScriptValueIteratorImpl::hasPrevious() -{ - if (m_foundMember.isValid() && !m_foundForward) { - // we have the information about the previous element already - return true; - } - - QScriptValueImpl obj = m_object; - - if (m_searchClassDataIterator) { - Q_ASSERT(m_classDataIterator != 0); - if (m_foundMember.isValid()) { - // undo effect of hasNext() - m_foundMember.invalidate(); - QScript::Member dummy; - m_classDataIterator->previous(&dummy); - } - while (m_classDataIterator->hasPrevious()) { - QScript::Member m; - m_classDataIterator->previous(&m); - if (acceptsMember(obj, m)) { - m_foundObject = obj; - m_foundMember = m; - m_foundForward = false; - return true; - } - } - m_searchClassDataIterator = false; - m_searchIndex = obj.memberCount(); - m_foundMember.invalidate(); - } - - // search object members - int i = m_searchIndex - 1; - if (m_foundMember.isValid()) { - // undo effect of hasPrevious() - m_foundMember.invalidate(); - --i; - } - for ( ; i >= 0; --i) { - QScript::Member m; - obj.member(i, &m); - if (acceptsMember(obj, m)) { - m_foundObject = obj; - m_foundMember = m; - m_foundForward = false; - m_searchIndex = i; - return true; - } - } - - return false; -} - -void QScriptValueIteratorImpl::previous() -{ - (void)hasPrevious(); // sync the previous-element info - m_object = m_foundObject; - m_member = m_foundMember; - m_foundObject = QScriptValueImpl(); - m_foundMember.invalidate(); -} - -QScript::Member *QScriptValueIteratorImpl::member() -{ - return &m_member; -} - -QScriptNameIdImpl *QScriptValueIteratorImpl::nameId() const -{ - return m_member.nameId(); -} - -QString QScriptValueIteratorImpl::name() const -{ - if (!m_member.isValid()) - return QString(); - if (m_member.nameId()) - return m_member.nameId()->s; - else - return QScript::numberToString(m_member.id()); -} - -QScriptValueImpl QScriptValueIteratorImpl::value() const -{ - if (!m_member.isValid()) - return QScriptValueImpl(); - QScriptValueImpl result; - m_object.get(m_member, &result); - if (m_member.isGetterOrSetter()) { - // find and call the getter - QScriptValueImpl getter; - if (m_member.isObjectProperty() && !m_member.isGetter()) { - QScript::Member mb; - QScriptObject *obj = m_object.m_object_value; - mb.object(m_member.nameId(), obj->memberCount(), 0); - if (!obj->findGetter(&mb)) - return QScriptValueImpl(); - m_object.get(mb, &getter); - } else { - getter = result; - } - result = getter.call(m_object); - } - return result; -} - -void QScriptValueIteratorImpl::setValue(const QScriptValueImpl &value) -{ - if (!m_member.isValid()) - return; - if (m_member.isGetterOrSetter()) { - // find and call the setter - QScriptValueImpl setter; - if (m_member.isObjectProperty() && !m_member.isSetter()) { - QScript::Member mb; - QScriptObject *obj = m_object.m_object_value; - mb.object(m_member.nameId(), obj->memberCount(), 0); - if (!obj->findSetter(&mb)) - return; - m_object.get(mb, &setter); - } else { - m_object.get(m_member, &setter); - } - setter.call(m_object, QScriptValueImplList() << value); - } else { - m_object.put(m_member, value); - } -} - -uint QScriptValueIteratorImpl::flags() const -{ - return m_member.flags(); -} - -QScriptValueImpl QScriptValueIteratorImpl::object() const -{ - return m_object; -} - -void QScriptValueIteratorImpl::setObject(const QScriptValueImpl &obj) -{ - Q_ASSERT(obj.isObject()); - m_object = obj; - if (m_classDataIterator) { - delete m_classDataIterator; - m_classDataIterator = 0; - } - toFront(); -} - -void QScriptValueIteratorImpl::remove() -{ - if (m_member.isValid()) - m_object.removeMember(m_member); -} - -void QScriptValueIteratorImpl::toFront() -{ - if (m_classDataIterator) { - if (!m_enumerateProto || QScriptEnginePrivate::strictlyEquals(m_object, m_frontObject)) { - m_classDataIterator->toFront(); - } else { - delete m_classDataIterator; - m_classDataIterator = 0; - } - } - - m_member.invalidate(); - m_object = m_frontObject; - - m_foundObject = QScriptValueImpl(); - m_foundMember.invalidate(); - m_searchIndex = 0; - m_searchClassDataIterator = false; -} - -void QScriptValueIteratorImpl::toBack() -{ - m_member.invalidate(); - - m_foundObject = QScriptValueImpl(); - m_foundMember.invalidate(); - - if (!m_classDataIterator) { - QScriptClassData *data = m_object.classInfo()->data(); - if (data) - m_classDataIterator = data->newIterator(m_object); - } - if (m_classDataIterator) - m_classDataIterator->toBack(); - else - m_searchIndex = m_object.memberCount(); - m_searchClassDataIterator = (m_classDataIterator != 0); -} - -QT_END_NAMESPACE - -#endif // QT_NO_SCRIPT |