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path: root/tools/lldb-mi/MICmdMgrSetCmdDeleteCallback.cpp
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//===-- MICmdMgrSetCmdDeleteCallback.cpp ------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

//++
// File:		MICmdMgrSetCmdDeleteCallback.cpp
//
// Overview:	CSetClients implementation.
//
// Environment:	Compilers:	Visual C++ 12.
//							gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
//				Libraries:	See MIReadmetxt. 
//
// Copyright:	None.
//--

// In-house headers:
#include "MICmdMgrSetCmdDeleteCallback.h"

namespace CMICmdMgrSetCmdDeleteCallback
{

//++ ------------------------------------------------------------------------------------
// Details:	CSetClients constructor.
// Type:	Method.
// Args:	None.
// Return:	None.
// Throws:	None.
//--
CSetClients::CSetClients( void )
:	m_bClientUnregistered( false )
{
}

//++ ------------------------------------------------------------------------------------
// Details:	CSetClients destructor.
// Type:	Method.
// Args:	None.
// Return:	None.
// Throws:	None.
//--
CSetClients::~CSetClients( void )
{
}

//++ ------------------------------------------------------------------------------------
// Details:	Register an object to be called when a command object is deleted.
// Type:	Method.
// Args:	vObject	- (R) A new interested client.
// Return:	MIstatus::success - Functional succeeded.
//			MIstatus::failure - Functional failed.
// Throws:	None.
//--
bool CSetClients::Register( ICallback & vObject )
{
	insert( &vObject );

	return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details:	Unregister an object from being called when a command object is deleted.
// Type:	Method.
// Args:	vObject	- (R) The was interested client.
// Return:	MIstatus::success - Functional succeeded.
//			MIstatus::failure - Functional failed.
// Throws:	None.
//--
bool CSetClients::Unregister( ICallback & vObject )
{
	m_bClientUnregistered = true;
	erase( &vObject );

	return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details:	Iterate all interested clients and tell them a command is being deleted.
// Type:	Method.
// Args:	vCmd	- (RW) The command to be deleted.
// Return:	MIstatus::success - Functional succeeded.
//			MIstatus::failure - Functional failed.
// Throws:	None.
//--
void CSetClients::Delete( SMICmdData & vCmd )
{
	m_bClientUnregistered = false;	// Reset
	iterator it = begin();
	while( it != end() )
	{
		ICallback * pObj = *it;
		pObj->Delete( vCmd );

		if( m_bClientUnregistered )
		{
			m_bClientUnregistered = false;	// Reset
			it = begin();
		}
		else
			// Next
			++it;
	}
}

} // namespace CMICmdMgrSetCmdDeleteCallback