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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 : :
20 : : #include <ZipPackageBuffer.hxx>
21 : : #include <string.h> // for memcpy
22 : :
23 : : using namespace ::com::sun::star;
24 : : using namespace com::sun::star::uno;
25 : : using namespace com::sun::star::io;
26 : : using com::sun::star::lang::IllegalArgumentException;
27 : :
28 : 338 : ZipPackageBuffer::ZipPackageBuffer(sal_Int64 nNewBufferSize )
29 : : : m_nBufferSize (nNewBufferSize)
30 : : , m_nEnd(0)
31 : : , m_nCurrent(0)
32 [ + - ]: 338 : , m_bMustInitBuffer ( sal_True )
33 : : {
34 : 338 : }
35 [ + - ]: 338 : ZipPackageBuffer::~ZipPackageBuffer(void)
36 : : {
37 [ - + ]: 676 : }
38 : :
39 : 0 : sal_Int32 SAL_CALL ZipPackageBuffer::readBytes( Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
40 : : throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
41 : : {
42 [ # # ]: 0 : if (nBytesToRead < 0)
43 [ # # ][ # # ]: 0 : throw BufferSizeExceededException(OSL_LOG_PREFIX, *this );
44 : :
45 [ # # ]: 0 : if (nBytesToRead + m_nCurrent > m_nEnd)
46 : 0 : nBytesToRead = static_cast < sal_Int32 > (m_nEnd - m_nCurrent);
47 : :
48 : 0 : aData.realloc ( nBytesToRead );
49 : 0 : memcpy(aData.getArray(), m_aBuffer.getConstArray() + m_nCurrent, nBytesToRead);
50 : 0 : m_nCurrent +=nBytesToRead;
51 : 0 : return nBytesToRead;
52 : : }
53 : :
54 : 0 : sal_Int32 SAL_CALL ZipPackageBuffer::readSomeBytes( Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
55 : : throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
56 : : {
57 : 0 : return readBytes(aData, nMaxBytesToRead);
58 : : }
59 : 0 : void SAL_CALL ZipPackageBuffer::skipBytes( sal_Int32 nBytesToSkip )
60 : : throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
61 : : {
62 [ # # ]: 0 : if (nBytesToSkip < 0)
63 [ # # ][ # # ]: 0 : throw BufferSizeExceededException(OSL_LOG_PREFIX, *this );
64 : :
65 [ # # ]: 0 : if (nBytesToSkip + m_nCurrent > m_nEnd)
66 : 0 : nBytesToSkip = static_cast < sal_Int32 > (m_nEnd - m_nCurrent);
67 : :
68 : 0 : m_nCurrent+=nBytesToSkip;
69 : 0 : }
70 : 0 : sal_Int32 SAL_CALL ZipPackageBuffer::available( )
71 : : throw(NotConnectedException, IOException, RuntimeException)
72 : : {
73 : 0 : return static_cast < sal_Int32 > (m_nEnd - m_nCurrent);
74 : : }
75 : 0 : void SAL_CALL ZipPackageBuffer::closeInput( )
76 : : throw(NotConnectedException, IOException, RuntimeException)
77 : : {
78 : 0 : }
79 : 412 : void SAL_CALL ZipPackageBuffer::writeBytes( const Sequence< sal_Int8 >& aData )
80 : : throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
81 : : {
82 : 412 : sal_Int64 nDataLen = aData.getLength(), nCombined = m_nEnd + nDataLen;
83 : :
84 [ - + ]: 412 : if ( nCombined > m_nBufferSize)
85 : : {
86 [ # # ]: 0 : do
87 : 0 : m_nBufferSize *=2;
88 : : while (nCombined > m_nBufferSize);
89 : 0 : m_aBuffer.realloc(static_cast < sal_Int32 > (m_nBufferSize));
90 : 0 : m_bMustInitBuffer = sal_False;
91 : : }
92 [ + + ]: 412 : else if (m_bMustInitBuffer)
93 : : {
94 : 338 : m_aBuffer.realloc ( static_cast < sal_Int32 > ( m_nBufferSize ) );
95 : 338 : m_bMustInitBuffer = sal_False;
96 : : }
97 : 412 : memcpy( m_aBuffer.getArray() + m_nCurrent, aData.getConstArray(), static_cast < sal_Int32 > (nDataLen));
98 : 412 : m_nCurrent+=nDataLen;
99 [ + - ]: 412 : if (m_nCurrent>m_nEnd)
100 : 412 : m_nEnd = m_nCurrent;
101 : 412 : }
102 : 0 : void SAL_CALL ZipPackageBuffer::flush( )
103 : : throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
104 : : {
105 : 0 : }
106 : 338 : void SAL_CALL ZipPackageBuffer::closeOutput( )
107 : : throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
108 : : {
109 : 338 : }
110 : 0 : void SAL_CALL ZipPackageBuffer::seek( sal_Int64 location )
111 : : throw( IllegalArgumentException, IOException, RuntimeException)
112 : : {
113 [ # # ][ # # ]: 0 : if ( location > m_nEnd || location < 0 )
114 [ # # ]: 0 : throw IllegalArgumentException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >(), 1 );
115 : 0 : m_nCurrent = location;
116 : 0 : }
117 : 338 : sal_Int64 SAL_CALL ZipPackageBuffer::getPosition( )
118 : : throw(IOException, RuntimeException)
119 : : {
120 : 338 : return m_nCurrent;
121 : : }
122 : 0 : sal_Int64 SAL_CALL ZipPackageBuffer::getLength( )
123 : : throw(IOException, RuntimeException)
124 : : {
125 : 0 : return m_nEnd;
126 : : }
127 : :
128 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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