//
// LocatorImpl.h
//
// Library: XML
// Package: SAX
// Module:  SAX
//
// An implementation of the SAX Locator interface.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier:	BSL-1.0
//


#ifndef SAX_LocatorImpl_INCLUDED
#define SAX_LocatorImpl_INCLUDED


#include "Poco/XML/XML.h"
#include "Poco/SAX/Locator.h"
#include "Poco/XML/XMLString.h"


namespace Poco {
namespace XML {


class XML_API LocatorImpl: public Locator
	/// Provide an optional convenience implementation of Locator.
{
public:
	LocatorImpl();
		/// Zero-argument constructor.
		/// 
		/// This will not normally be useful, since the main purpose of this class is 
		/// to make a snapshot of an existing Locator.
		
	LocatorImpl(const Locator& loc);
		/// Copy constructor.
		/// 
		/// Create a persistent copy of the current state of a locator. When the original 
		/// locator changes, this copy will still keep the original values (and it can be 
		/// used outside the scope of DocumentHandler methods).

	~LocatorImpl();
		/// Destroys the Locator.
		
	LocatorImpl& operator = (const Locator& loc);
		/// Assignment operator.

	XMLString getPublicId() const;
		/// Return the saved public identifier.
		
	XMLString getSystemId() const;
		/// Return the saved system identifier.

	int getLineNumber() const;
		/// Return the saved line number (1-based).
		
	int getColumnNumber() const;
		/// Return the saved column number (1-based).
		
	void setPublicId(const XMLString& publicId);
		/// Set the public identifier for this locator.

	void setSystemId(const XMLString& systemId);
		/// Set the system identifier for this locator.

	void setLineNumber(int lineNumber);
		/// Set the line number for this locator (1-based).

	void setColumnNumber(int columnNumber);
		/// Set the column number for this locator (1-based).

private:
	XMLString _publicId;
	XMLString _systemId;
	int _lineNumber;
	int _columnNumber;
};


} } // namespace Poco::XML


#endif // SAX_LocatorImpl_INCLUDED
