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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef CPPTOOLS_INDEXITEM_H
#define CPPTOOLS_INDEXITEM_H
#include "cpptools_global.h"
#include <QIcon>
#include <QSharedPointer>
#include <QMetaType>
#include <functional>
namespace CppTools {
class CPPTOOLS_EXPORT IndexItem
{
Q_DISABLE_COPY(IndexItem)
public:
enum ItemType {
Enum = 1 << 0,
Class = 1 << 1,
Function = 1 << 2,
Declaration = 1 << 3,
All = Enum | Class | Function | Declaration
};
private:
IndexItem(const QString &symbolName,
const QString &symbolType,
const QString &symbolScope,
ItemType type,
const QString &fileName,
int line,
int column,
const QIcon &icon)
: m_symbolName(symbolName),
m_symbolType(symbolType),
m_symbolScope(symbolScope),
m_fileName(fileName),
m_icon(icon),
m_type(type),
m_line(line),
m_column(column)
{}
IndexItem(const QString &fileName, int sizeHint)
: m_fileName(fileName)
, m_type(Declaration)
, m_line(0)
, m_column(0)
{ m_children.reserve(sizeHint); }
public:
typedef QSharedPointer<IndexItem> Ptr;
static Ptr create(const QString &symbolName,
const QString &symbolType,
const QString &symbolScope,
ItemType type,
const QString &fileName,
int line,
int column,
const QIcon &icon)
{
return Ptr(new IndexItem(
symbolName, symbolType, symbolScope, type, fileName, line, column, icon));
}
static Ptr create(const QString &fileName, int sizeHint)
{
return Ptr(new IndexItem(fileName, sizeHint));
}
QString scopedSymbolName() const
{
return m_symbolScope.isEmpty()
? m_symbolName
: m_symbolScope + QLatin1String("::") + m_symbolName;
}
bool unqualifiedNameAndScope(const QString &defaultName, QString *name, QString *scope) const
{
*name = defaultName;
*scope = m_symbolScope;
const QString qualifiedName = scopedSymbolName();
const int colonColonPosition = qualifiedName.lastIndexOf(QLatin1String("::"));
if (colonColonPosition != -1) {
*name = qualifiedName.mid(colonColonPosition + 2);
*scope = qualifiedName.left(colonColonPosition);
return true;
}
return false;
}
static QString representDeclaration(const QString &name, const QString &type)
{
if (type.isEmpty())
return QString();
const QString padding = type.endsWith(QLatin1Char('*'))
? QString()
: QString(QLatin1Char(' '));
return type + padding + name;
}
QString shortNativeFilePath() const;
QString symbolName() const { return m_symbolName; }
QString symbolType() const { return m_symbolType; }
QString symbolScope() const { return m_symbolScope; }
QString fileName() const { return m_fileName; }
QIcon icon() const { return m_icon; }
ItemType type() const { return m_type; }
int line() const { return m_line; }
int column() const { return m_column; }
void addChild(IndexItem::Ptr childItem) { m_children.append(childItem); }
void squeeze();
enum VisitorResult {
Break, /// terminates traversal
Continue, /// continues traversal with the next sibling
Recurse, /// continues traversal with the children
};
typedef std::function<VisitorResult (const IndexItem::Ptr &)> Visitor;
VisitorResult visitAllChildren(Visitor callback) const
{
VisitorResult result = Recurse;
foreach (const IndexItem::Ptr &child, m_children) {
result = callback(child);
switch (result) {
case Break:
return Break;
case Continue:
continue;
case Recurse:
if (!child->m_children.isEmpty()) {
result = child->visitAllChildren(callback);
if (result == Break)
return Break;
}
}
}
return result;
}
private:
QString m_symbolName; // as found in the code, therefore might be qualified
QString m_symbolType;
QString m_symbolScope;
QString m_fileName;
QIcon m_icon;
ItemType m_type;
int m_line;
int m_column;
QVector<IndexItem::Ptr> m_children;
};
} // CppTools namespace
Q_DECLARE_METATYPE(CppTools::IndexItem::Ptr)
#endif // CPPTOOLS_INDEXITEM_H
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