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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef VALUE_H
#define VALUE_H
#include <QString>
#include "input.h"
OLIVE_NAMESPACE_ENTER
class NodeValue
{
public:
NodeValue();
NodeValue(const NodeParam::DataType& type, const QVariant& data, const Node* from, const QString& tag = QString());
const NodeParam::DataType& type() const
{
return type_;
}
const QVariant& data() const
{
return data_;
}
const QString& tag() const
{
return tag_;
}
const Node* source() const
{
return from_;
}
bool operator==(const NodeValue& rhs) const;
private:
NodeParam::DataType type_;
QVariant data_;
const Node* from_;
QString tag_;
};
class NodeValueTable
{
public:
NodeValueTable() = default;
QVariant Get(const NodeParam::DataType& type, const QString& tag = QString()) const;
NodeValue GetWithMeta(const NodeParam::DataType& type, const QString& tag = QString()) const;
QVariant Take(const NodeParam::DataType& type, const QString& tag = QString());
NodeValue TakeWithMeta(const NodeParam::DataType& type, const QString& tag = QString());
void Push(const NodeValue& value);
void Push(const NodeParam::DataType& type, const QVariant& data, const Node *from, const QString& tag = QString());
void Prepend(const NodeValue& value);
void Prepend(const NodeParam::DataType& type, const QVariant& data, const Node *from, const QString& tag = QString());
const NodeValue& at(int index) const;
NodeValue TakeAt(int index);
int Count() const;
bool Has(const NodeParam::DataType& type) const;
void Remove(const NodeValue& v);
bool isEmpty() const;
static NodeValueTable Merge(QList<NodeValueTable> tables);
private:
int GetInternal(const NodeParam::DataType& type, const QString& tag) const;
QList<NodeValue> values_;
};
class NodeValueDatabase
{
public:
NodeValueDatabase() = default;
NodeValueTable& operator[](const QString& input_id);
NodeValueTable& operator[](const NodeInput* input);
void Insert(const QString& key, const NodeValueTable &value);
void Insert(const NodeInput* key, const NodeValueTable& value);
NodeValueTable Merge() const;
using const_iterator = QHash<QString, NodeValueTable>::const_iterator;
inline QHash<QString, NodeValueTable>::const_iterator begin() const
{
return tables_.cbegin();
}
inline QHash<QString, NodeValueTable>::const_iterator end() const
{
return tables_.cend();
}
inline bool contains(const QString& s) const
{
return tables_.contains(s);
}
private:
QHash<QString, NodeValueTable> tables_;
};
OLIVE_NAMESPACE_EXIT
Q_DECLARE_METATYPE(OLIVE_NAMESPACE::NodeValue)
Q_DECLARE_METATYPE(OLIVE_NAMESPACE::NodeValueTable)
Q_DECLARE_METATYPE(OLIVE_NAMESPACE::NodeValueDatabase)
#endif // VALUE_H
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