forked from qt-creator/qt-creator
123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://www.qtsoftware.com/contact.
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**
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**************************************************************************/
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#ifndef DEBUGGER_CDBOUTPUT_H
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#define DEBUGGER_CDBOUTPUT_H
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#include "cdbcom.h"
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#include <QtCore/QObject>
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namespace Debugger {
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namespace Internal {
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// CdbDebugOutputBase is a base class for output handlers
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// that takes care of the Active X magic and conversion to QString.
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class CdbDebugOutputBase : public IDebugOutputCallbacksWide
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{
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public:
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// IUnknown.
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STDMETHOD(QueryInterface)(
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THIS_
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IN REFIID InterfaceId,
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OUT PVOID* Interface
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);
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STDMETHOD_(ULONG, AddRef)(
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THIS
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);
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STDMETHOD_(ULONG, Release)(
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THIS
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);
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// IDebugOutputCallbacks.
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STDMETHOD(Output)(
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THIS_
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IN ULONG mask,
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IN PCWSTR text
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);
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// Helpers to retrieve the output callbacks IF
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static IDebugOutputCallbacksWide *getOutputCallback(CIDebugClient *client);
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protected:
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CdbDebugOutputBase();
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virtual void output(ULONG mask, const QString &message) = 0;
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};
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// Standard CDB output handler
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class CdbDebugOutput : public QObject, public CdbDebugOutputBase
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{
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Q_OBJECT
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public:
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CdbDebugOutput();
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protected:
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virtual void output(ULONG mask, const QString &message);
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signals:
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void debuggerOutput(int channel, const QString &message);
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void debuggerInputPrompt(int channel, const QString &message);
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void debuggeeOutput(const QString &message);
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void debuggeeInputPrompt(const QString &message);
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};
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// An output handler that adds lines to a string (to be
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// used for cases in which linebreaks occur in-between calls
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// to output).
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class StringOutputHandler : public CdbDebugOutputBase
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{
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public:
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StringOutputHandler() {}
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QString result() const { return m_result; }
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protected:
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virtual void output(ULONG, const QString &message) { m_result += message; }
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private:
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QString m_result;
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};
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// Utility class to temporarily redirect output to another handler
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// as long as in scope
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class OutputRedirector {
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Q_DISABLE_COPY(OutputRedirector)
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public:
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explicit OutputRedirector(CIDebugClient *client, IDebugOutputCallbacksWide *newHandler);
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~OutputRedirector();
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private:
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CIDebugClient *m_client;
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IDebugOutputCallbacksWide *m_oldHandler;
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};
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} // namespace Internal
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} // namespace Debugger
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#endif // DEBUGGER_CDBOUTPUT_H
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