include/ucbhelper/fd_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 #ifndef _UCBHELPER_FD_INPUTSTREAM_HXX_
  21 #define _UCBHELPER_FD_INPUTSTREAM_HXX_
  22
  23 #include <rtl/ustring.hxx>
  24 #include <osl/mutex.hxx>
  25 #include <cppuhelper/weak.hxx>
  26 #include <cppuhelper/queryinterface.hxx>
  27 #include <com/sun/star/io/XInputStream.hpp>
  28 #include <com/sun/star/io/XSeekable.hpp>
  29 #include <stdio.h>
  30
  31 #include "ucbhelper/ucbhelperdllapi.h"
  32
  33 namespace ucbhelper
  34 {
  35     /** Implements a seekable InputStream
  36      *  working on a buffer.
  37      */
  38     class UCBHELPER_DLLPUBLIC FdInputStream
  39         : public cppu::OWeakObject,
  40           public com::sun::star::io::XInputStream,
  41           public com::sun::star::io::XSeekable
  42     {
  43     public:
  44
  45         /** Defines the storage kind found
  46          *  on which the inputstream acts.
  47          */
  48
  49         FdInputStream(FILE* tmpfl = 0);
  50
  51         ~FdInputStream();
  52
  53         virtual css::uno::Any SAL_CALL queryInterface(const css::uno::Type& rType)
  54             throw(css::uno::RuntimeException);
  55
  56         virtual void SAL_CALL acquire(void) throw();
  57
  58         virtual void SAL_CALL release(void) throw();
  59
  60         virtual sal_Int32 SAL_CALL
  61         readBytes(css::uno::Sequence< sal_Int8 >& aData,
  62                   sal_Int32 nBytesToRead)
  63             throw( css::io::NotConnectedException,
  64                    css::io::BufferSizeExceededException,
  65                    css::io::IOException,
  66                    css::uno::RuntimeException);
  67
  68         virtual sal_Int32 SAL_CALL
  69         readSomeBytes(css::uno::Sequence< sal_Int8 >& aData,
  70                       sal_Int32 nMaxBytesToRead )
  71             throw( css::io::NotConnectedException,
  72                    css::io::BufferSizeExceededException,
  73                    css::io::IOException,
  74                    css::uno::RuntimeException);
  75
  76         virtual void SAL_CALL
  77         skipBytes(sal_Int32 nBytesToSkip)
  78             throw(css::io::NotConnectedException,
  79                   css::io::BufferSizeExceededException,
  80                   css::io::IOException,
  81                   css::uno::RuntimeException );
  82
  83         virtual sal_Int32 SAL_CALL
  84         available(void)
  85             throw(css::io::NotConnectedException,
  86                   css::io::IOException,
  87                   css::uno::RuntimeException );
  88
  89         virtual void SAL_CALL
  90         closeInput(void)
  91             throw(css::io::NotConnectedException,
  92                   css::io::IOException,
  93                   css::uno::RuntimeException);
  94
  95
  96         /** XSeekable
  97          */
  98
  99         virtual void SAL_CALL
 100         seek(sal_Int64 location)
 101             throw(css::lang::IllegalArgumentException,
 102                   css::io::IOException,
 103                   css::uno::RuntimeException);
 104
 105
 106         virtual sal_Int64 SAL_CALL
 107         getPosition(void)
 108             throw(css::io::IOException,
 109                   css::uno::RuntimeException);
 110
 111
 112         virtual sal_Int64 SAL_CALL
 113         getLength(void)
 114             throw(css::io::IOException,
 115                   css::uno::RuntimeException);
 116
 117         // additional
 118 //          void append(const void* pBuffer,size_t size,size_t nmemb);
 119
 120     private:
 121
 122         osl::Mutex m_aMutex;
 123         FILE* m_tmpfl;
 124         sal_Int64 m_nLength;
 125     };
 126 }
 127
 128 #endif
 129
 130 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */