message.cpp

粗糙集应用软件

//-------------------------------------------------------------------
// Author........: Aleksander 豩rn
// Date..........: 960417
// Description...:
// Revisions.....:
//===================================================================

#include <stdafx.h> // Precompiled headers.
#include <copyright.h>

#include <kernel/basic/message.h>

#include <common/messagehelper.h>

//-------------------------------------------------------------------
// Methods for class Message.
//===================================================================

//-------------------------------------------------------------------
// Initialization of static class variables.
//===================================================================

int  Message::static_counter_   = 0;
bool Message::static_available_ = true;

//-------------------------------------------------------------------
// Constructors/destructor.
//===================================================================

//-------------------------------------------------------------------
// Method........: Constructor
// Author........: Aleksander 豩rn
// Date..........:
// Description...:
// Comments......: Pushes this Message onto the stack.
// Revisions.....:
//===================================================================

Message::Message() {

	// Grab the next available level.
	level_ = static_counter_;

	// Increment shared level counter.
	static_counter_++;

	// Create a prefix for indentation purposes.
	if (level_ > 0)
		blanks_ = String(' ', 2 * level_);

	// Initially, don't hog the cancellation flag.
	cancel_ = false;

}

//-------------------------------------------------------------------
// Method........: Constructor
// Author........: Aleksander 豩rn
// Date..........:
// Description...:
// Comments......: Implemented as protected to avoid it from being
//                 used.
// Revisions.....:
//===================================================================

Message::Message(const Message &in) {
}

//-------------------------------------------------------------------
// Method........: Destructor
// Author........: Aleksander 豩rn
// Date..........:
// Description...:
// Comments......: Pop this Message off the stack.
// Revisions.....:
//===================================================================

Message::~Message() {

	// Decrement shared level counter.
	static_counter_--;

	// Make the shared cancelletaion flag available again, if held.
	if (cancel_)
		static_available_ = true;

	// "Last one out turns off the light."
	if (static_counter_ == 0)
		MessageHelper::Reset();

}

//-------------------------------------------------------------------
// Methods for class Message.
//===================================================================

//-------------------------------------------------------------------
// Method........: Notify
// Author........: Aleksander 豩rn
// Date..........:
// Description...:
// Comments......:
// Revisions.....:
//===================================================================

void
Message::Notify(const String &text) const {
	MessageHelper::Notify(blanks_ + text);
}

//-------------------------------------------------------------------
// Method........: Progress
// Author........: Aleksander 豩rn
// Date..........:
// Description...:
// Comments......:
// Revisions.....: 
//===================================================================

bool
Message::Progress() const {
	return Progress("");
}

//-------------------------------------------------------------------
// Method........: Progress
// Author........: Aleksander 豩rn
// Date..........:
// Description...:
// Comments......:
// Revisions.....: A