/src/libreoffice/package/inc/ByteGrabber.hxx
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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 | | #ifndef INCLUDED_PACKAGE_INC_BYTEGRABBER_HXX |
20 | | #define INCLUDED_PACKAGE_INC_BYTEGRABBER_HXX |
21 | | |
22 | | #include <com/sun/star/uno/Sequence.h> |
23 | | #include <com/sun/star/uno/Reference.h> |
24 | | #include <comphelper/bytereader.hxx> |
25 | | #include <array> |
26 | | |
27 | | namespace com::sun::star { |
28 | | namespace io { class XSeekable; class XInputStream; } |
29 | | } |
30 | | class ByteGrabber final |
31 | | { |
32 | | css::uno::Reference < css::io::XInputStream > xStream; |
33 | | css::uno::Reference < css::io::XSeekable > xSeek; |
34 | | comphelper::ByteReader* mpByteReader; |
35 | | std::array<sal_Int8, 8> maBuffer; |
36 | | css::uno::Sequence < sal_Int8 > aSequence; |
37 | | |
38 | | public: |
39 | | ByteGrabber (css::uno::Reference < css::io::XInputStream > const & xIstream); |
40 | | ~ByteGrabber(); |
41 | | |
42 | | void setInputStream (const css::uno::Reference < css::io::XInputStream >& xNewStream); |
43 | | // XInputStream |
44 | | /// @throws css::io::NotConnectedException |
45 | | /// @throws css::io::BufferSizeExceededException |
46 | | /// @throws css::io::IOException |
47 | | /// @throws css::uno::RuntimeException |
48 | | sal_Int32 readBytes( sal_Int8* aData, sal_Int32 nBytesToRead ); |
49 | | // XSeekable |
50 | | /// @throws css::lang::IllegalArgumentException |
51 | | /// @throws css::io::IOException |
52 | | /// @throws css::uno::RuntimeException |
53 | | void seek( sal_Int64 location ); |
54 | | /// @throws css::io::IOException |
55 | | /// @throws css::uno::RuntimeException |
56 | | sal_Int64 getPosition( ); |
57 | | /// @throws css::io::IOException |
58 | | /// @throws css::uno::RuntimeException |
59 | | sal_Int64 getLength( ); |
60 | | |
61 | | sal_uInt16 ReadUInt16(); |
62 | | sal_uInt32 ReadUInt32(); |
63 | | sal_uInt64 ReadUInt64(); |
64 | | sal_Int16 ReadInt16() |
65 | 0 | { |
66 | 0 | return static_cast<sal_Int16>(ReadUInt16()); |
67 | 0 | } |
68 | | sal_Int32 ReadInt32() |
69 | 0 | { |
70 | 0 | return static_cast<sal_Int32>(ReadUInt32()); |
71 | 0 | } |
72 | | }; |
73 | | |
74 | | #endif |
75 | | |
76 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |