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/*
SPDX-FileCopyrightText: 2007 David Nolden <david.nolden.kdevelop@art-master.de>
SPDX-License-Identifier: LGPL-2.0-only
*/
#ifndef PROJECT_ITEM_QUICKOPEN
#define PROJECT_ITEM_QUICKOPEN
#include "duchainitemquickopen.h"
#include <serialization/indexedstring.h>
#include <language/duchain/identifier.h>
#include <functional>
#include <type_traits>
template <typename Type>
class ResultCache
{
public:
ResultCache(std::function<Type()> func)
: m_func(func)
{
}
/// Mark this cache dirty. A call to cachedResult() will need to refill the cache
inline void markDirty() const
{
m_isDirty = true;
}
/**
* If marked dirty, calls @p func and stores return value of @p func
*
* @return Cached result of @p func
*/
inline Type cachedResult() const
{
if (m_isDirty) {
m_result = m_func();
m_isDirty = false;
}
return m_result;
}
private:
std::function<Type()> m_func;
mutable Type m_result;
mutable bool m_isDirty = true;
};
struct CodeModelViewItem
{
CodeModelViewItem()
{
}
CodeModelViewItem(const KDevelop::IndexedString& file, const KDevelop::QualifiedIdentifier& id)
: m_file(file)
, m_id(id)
{
}
KDevelop::IndexedString m_file;
KDevelop::QualifiedIdentifier m_id;
};
Q_DECLARE_TYPEINFO(CodeModelViewItem, Q_MOVABLE_TYPE);
using AddedItems = QMap<uint, QList<KDevelop::QuickOpenDataPointer>>;
class ProjectItemDataProvider
: public KDevelop::QuickOpenDataProviderBase
{
Q_OBJECT
public:
enum ItemTypes {
NoItems = 0,
Classes = 1,
Functions = 2,
AllItemTypes = Classes + Functions
};
explicit ProjectItemDataProvider(KDevelop::IQuickOpen* quickopen);
void enableData(const QStringList& items, const QStringList& scopes) override;
void setFilterText(const QString& text) override;
void reset() override;
uint itemCount() const override;
uint unfilteredItemCount() const override;
static QStringList supportedItemTypes();
private:
KDevelop::QuickOpenDataPointer data(uint pos) const override;
ItemTypes m_itemTypes;
KDevelop::IQuickOpen* m_quickopen;
QSet<KDevelop::IndexedString> m_files;
QVector<CodeModelViewItem> m_currentItems;
QString m_currentFilter;
QVector<CodeModelViewItem> m_filteredItems;
//Maps positions to the additional items behind those positions
//Here additional inserted items are stored, that are not represented in m_filteredItems.
//This is needed at least to also show overloaded function declarations
mutable AddedItems m_addedItems;
ResultCache<uint> m_addedItemsCountCache;
};
#endif
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