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