xmlhelp/source/cxxhelp/provider/inputstream.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <rtl/ustring.hxx>
  23 #include <osl/file.hxx>
  24 #include <cppuhelper/weak.hxx>
  25 #include <com/sun/star/io/XSeekable.hpp>
  26 #include <com/sun/star/io/XInputStream.hpp>
  27
  28
  29 namespace chelp {
  30
  31     class XInputStream_impl
  32         : public cppu::OWeakObject,
  33           public css::io::XInputStream,
  34           public css::io::XSeekable
  35     {
  36
  37     public:
  38         explicit XInputStream_impl( const OUString& aUncPath );
  39
  40         virtual ~XInputStream_impl() override;
  41
  42         /**
  43          *  Returns an error code as given by filerror.hxx
  44          */
  45
  46         bool CtorSuccess() { return m_bIsOpen;}
  47
  48         virtual css::uno::Any SAL_CALL
  49         queryInterface(
  50             const css::uno::Type& rType ) override;
  51
  52         virtual void SAL_CALL
  53         acquire()
  54             noexcept override;
  55
  56         virtual void SAL_CALL
  57         release()
  58             noexcept override;
  59
  60         virtual sal_Int32 SAL_CALL
  61         readBytes(
  62             css::uno::Sequence< sal_Int8 >& aData,
  63             sal_Int32 nBytesToRead ) override;
  64
  65         virtual sal_Int32 SAL_CALL
  66         readSomeBytes(
  67             css::uno::Sequence< sal_Int8 >& aData,
  68             sal_Int32 nMaxBytesToRead ) override;
  69
  70         virtual void SAL_CALL
  71         skipBytes( sal_Int32 nBytesToSkip ) override;
  72
  73         virtual sal_Int32 SAL_CALL
  74         available() override;
  75
  76         virtual void SAL_CALL
  77         closeInput() override;
  78
  79         virtual void SAL_CALL
  80         seek( sal_Int64 location ) override;
  81
  82         virtual sal_Int64 SAL_CALL
  83         getPosition() override;
  84
  85         virtual sal_Int64 SAL_CALL
  86         getLength() override;
  87
  88     private:
  89         bool                                               m_bIsOpen;
  90         osl::File                                          m_aFile;
  91     };
  92
  93
  94 } // end namespace XInputStream_impl
  95
  96 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */