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155 lines
4.4 KiB
155 lines
4.4 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file QVariableDefinition.h
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* @author Yann yann@ethdev.com
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* @date 2014
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*/
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#pragma once
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#include <QAbstractListModel>
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#include "QBigInt.h"
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#include "QVariableDeclaration.h"
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namespace dev
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{
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namespace mix
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{
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class QVariableDefinition: public QObject
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{
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Q_OBJECT
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Q_PROPERTY(QString value READ value CONSTANT)
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Q_PROPERTY(QVariableDeclaration* declaration READ declaration CONSTANT)
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public:
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QVariableDefinition() {}
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QVariableDefinition(QVariableDeclaration* _def, QString _value): QObject(), m_value(_value), m_dec(_def) {}
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/// Return the associated declaration of this variable definition. Invokable from QML.
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Q_INVOKABLE QVariableDeclaration* declaration() const { return m_dec; }
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/// Return the variable value.
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QString value() const { return m_value; }
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/// Set a new value for this instance. Invokable from QML.
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Q_INVOKABLE void setValue(QString _value) { m_value = _value; }
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/// Set a new Declaration for this instance. Invokable from QML.
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Q_INVOKABLE void setDeclaration(QVariableDeclaration* _dec) { m_dec = _dec; }
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/// Encode the current value in order to be used as function parameter.
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virtual bytes encodeValue() = 0;
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/// Decode the return value @a _rawValue.
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virtual void decodeValue(dev::bytes const& _rawValue) = 0;
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protected:
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QString m_value;
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private:
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QVariableDeclaration* m_dec;
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};
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class QVariableDefinitionList: public QAbstractListModel
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{
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Q_OBJECT
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public:
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QVariableDefinitionList(QList<QVariableDefinition*> _def): m_def(_def) {}
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int rowCount(const QModelIndex& parent = QModelIndex()) const override;
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QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
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QHash<int, QByteArray> roleNames() const override;
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/// Return the variable definition at index _idx.
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QVariableDefinition* val(int _idx);
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/// Return the list of variables.
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QList<QVariableDefinition*> def() { return m_def; }
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private:
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QList<QVariableDefinition*> m_def;
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};
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class QIntType: public QVariableDefinition
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{
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Q_OBJECT
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public:
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QIntType() {}
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QIntType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
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dev::bytes encodeValue() override;
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void decodeValue(dev::bytes const& _rawValue) override;
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/// @returns an instance of QBigInt for the current value.
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QBigInt* toBigInt() { return new QBigInt(m_bigIntvalue); }
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dev::bigint bigInt() { return m_bigIntvalue; }
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void setValue(dev::bigint _value);
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private:
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dev::bigint m_bigIntvalue;
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};
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class QRealType: public QVariableDefinition
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{
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Q_OBJECT
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public:
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QRealType() {}
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QRealType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
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dev::bytes encodeValue() override;
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void decodeValue(dev::bytes const& _rawValue) override;
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};
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class QStringType: public QVariableDefinition
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{
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Q_OBJECT
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public:
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QStringType() {}
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QStringType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
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dev::bytes encodeValue() override;
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void decodeValue(dev::bytes const& _rawValue) override;
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};
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class QHashType: public QVariableDefinition
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{
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Q_OBJECT
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public:
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QHashType() {}
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QHashType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
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dev::bytes encodeValue() override;
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void decodeValue(dev::bytes const& _rawValue) override;
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};
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class QBoolType: public QVariableDefinition
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{
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Q_OBJECT
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public:
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QBoolType() {}
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QBoolType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
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dev::bytes encodeValue() override;
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void decodeValue(dev::bytes const& _rawValue) override;
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/// @returns the boolean value for the current definition.
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bool toBool() { return m_boolValue; }
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private:
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bool m_boolValue;
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};
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}
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}
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Q_DECLARE_METATYPE(dev::mix::QIntType*)
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Q_DECLARE_METATYPE(dev::mix::QStringType*)
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Q_DECLARE_METATYPE(dev::mix::QHashType*)
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Q_DECLARE_METATYPE(dev::mix::QBoolType*)
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