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/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is TransforMiiX XSLT processor.
*
* The Initial Developer of the Original Code is The MITRE Corporation.
* Portions created by MITRE are Copyright (C) 1999 The MITRE Corporation.
*
* Portions created by Keith Visco as a Non MITRE employee,
* (C) 1999 Keith Visco. All Rights Reserved.
*
* Contributor(s):
* Keith Visco, kvisco@ziplink.net
* -- original author.
*
*/
#ifndef MITRE_ERROROBSERVER_H
#define MITRE_ERROROBSERVER_H
#include "baseutils.h"
#include "txError.h"
#include <iostream.h>
class nsAString;
/**
* A simple interface for observing errors
**/
class ErrorObserver {
public:
/**
* Default Destructor for ErrorObserver
**/
virtual ~ErrorObserver() {};
/**
* Notifies this Error observer of a new error aRes
**/
virtual void receiveError(const nsAString& errorMessage, nsresult aRes) = 0;
/**
* Notifies this Error observer of a new error, with default
* error code NS_ERROR_FAILURE
**/
void receiveError(const nsAString& errorMessage)
{
receiveError(errorMessage, NS_ERROR_FAILURE);
}
}; //-- ErrorObserver
/**
* A simple ErrorObserver which allows printing error messages to a stream
**/
class SimpleErrorObserver : public ErrorObserver {
public:
/**
* Creates a new SimpleErrorObserver.
* All errors will be printed to the console (cout).
**/
SimpleErrorObserver();
/**
* Creates a new SimpleErrorObserver.
* All errors will be printed to the given ostream.
**/
SimpleErrorObserver(ostream& errStream);
virtual ~SimpleErrorObserver() {};
/**
* Notifies this Error observer of a new error aRes
**/
void receiveError(const nsAString& errorMessage, nsresult aRes);
virtual void supressWarnings(MBool supress);
private:
ostream* errStream;
MBool hideWarnings;
}; //-- SimpleErrorObserver
#endif
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