xref: /aoo42x/main/xmlhelp/source/cxxhelp/provider/inputstream.hxx (revision 7b6bd0c4)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



#ifndef _INPUSTREAM_HXX_
#define _INPUSTREAM_HXX_

#include <rtl/ustring.hxx>
#include <osl/file.hxx>
#include <cppuhelper/weak.hxx>
#include <com/sun/star/uno/XInterface.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/ucb/XContentProvider.hpp>


namespace chelp {

	// forward declaration

	class XInputStream_impl
		: public cppu::OWeakObject,
		  public com::sun::star::io::XInputStream,
		  public com::sun::star::io::XSeekable
	{
	public:

		XInputStream_impl( const rtl::OUString& aUncPath );

		virtual ~XInputStream_impl();

		/**
		 *  Returns an error code as given by filerror.hxx
		 */

		bool SAL_CALL CtorSuccess();

		virtual com::sun::star::uno::Any SAL_CALL
		queryInterface(
			const com::sun::star::uno::Type& rType )
			throw( com::sun::star::uno::RuntimeException);

		virtual void SAL_CALL
		acquire(
			void )
			throw();

		virtual void SAL_CALL
		release(
			void )
			throw();

		virtual sal_Int32 SAL_CALL
		readBytes(
			com::sun::star::uno::Sequence< sal_Int8 >& aData,
			sal_Int32 nBytesToRead )
			throw( com::sun::star::io::NotConnectedException,
				   com::sun::star::io::BufferSizeExceededException,
				   com::sun::star::io::IOException,
				   com::sun::star::uno::RuntimeException);

		virtual sal_Int32 SAL_CALL
		readSomeBytes(
			com::sun::star::uno::Sequence< sal_Int8 >& aData,
			sal_Int32 nMaxBytesToRead )
			throw( com::sun::star::io::NotConnectedException,
				   com::sun::star::io::BufferSizeExceededException,
				   com::sun::star::io::IOException,
				   com::sun::star::uno::RuntimeException);

		virtual void SAL_CALL
		skipBytes(
			sal_Int32 nBytesToSkip )
			throw( com::sun::star::io::NotConnectedException,
				   com::sun::star::io::BufferSizeExceededException,
				   com::sun::star::io::IOException,
				   com::sun::star::uno::RuntimeException );

		virtual sal_Int32 SAL_CALL
		available(
			void )
			throw( com::sun::star::io::NotConnectedException,
				   com::sun::star::io::IOException,
				   com::sun::star::uno::RuntimeException );

		virtual void SAL_CALL
		closeInput(
			void )
			throw( com::sun::star::io::NotConnectedException,
				   com::sun::star::io::IOException,
				   com::sun::star::uno::RuntimeException );

		virtual void SAL_CALL
		seek(
			sal_Int64 location )
			throw( com::sun::star::lang::IllegalArgumentException,
				   com::sun::star::io::IOException,
				   com::sun::star::uno::RuntimeException );

		virtual sal_Int64 SAL_CALL
		getPosition(
			void )
			throw( com::sun::star::io::IOException,
				   com::sun::star::uno::RuntimeException );

		virtual sal_Int64 SAL_CALL
		getLength(
			void )
			throw( com::sun::star::io::IOException,
				   com::sun::star::uno::RuntimeException );

	private:

        bool                                               m_bIsOpen;
		osl::File                                          m_aFile;
	};


} // end namespace XInputStream_impl

#endif