1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski
25*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
26*b1cdbd2cSJim Jagielski #include "precompiled_xmlhelp.hxx"
27*b1cdbd2cSJim Jagielski #include "inputstream.hxx"
28*b1cdbd2cSJim Jagielski
29*b1cdbd2cSJim Jagielski
30*b1cdbd2cSJim Jagielski using namespace chelp;
31*b1cdbd2cSJim Jagielski using namespace com::sun::star;
32*b1cdbd2cSJim Jagielski using namespace com::sun::star::ucb;
33*b1cdbd2cSJim Jagielski
34*b1cdbd2cSJim Jagielski
35*b1cdbd2cSJim Jagielski
XInputStream_impl(const rtl::OUString & aUncPath)36*b1cdbd2cSJim Jagielski XInputStream_impl::XInputStream_impl( const rtl::OUString& aUncPath )
37*b1cdbd2cSJim Jagielski : m_bIsOpen( false ),
38*b1cdbd2cSJim Jagielski m_aFile( aUncPath )
39*b1cdbd2cSJim Jagielski {
40*b1cdbd2cSJim Jagielski m_bIsOpen = ( osl::FileBase::E_None == m_aFile.open( OpenFlag_Read ) );
41*b1cdbd2cSJim Jagielski }
42*b1cdbd2cSJim Jagielski
43*b1cdbd2cSJim Jagielski
~XInputStream_impl()44*b1cdbd2cSJim Jagielski XInputStream_impl::~XInputStream_impl()
45*b1cdbd2cSJim Jagielski {
46*b1cdbd2cSJim Jagielski closeInput();
47*b1cdbd2cSJim Jagielski }
48*b1cdbd2cSJim Jagielski
49*b1cdbd2cSJim Jagielski
CtorSuccess()50*b1cdbd2cSJim Jagielski bool SAL_CALL XInputStream_impl::CtorSuccess()
51*b1cdbd2cSJim Jagielski {
52*b1cdbd2cSJim Jagielski return m_bIsOpen;
53*b1cdbd2cSJim Jagielski };
54*b1cdbd2cSJim Jagielski
55*b1cdbd2cSJim Jagielski
56*b1cdbd2cSJim Jagielski uno::Any SAL_CALL
queryInterface(const uno::Type & rType)57*b1cdbd2cSJim Jagielski XInputStream_impl::queryInterface(
58*b1cdbd2cSJim Jagielski const uno::Type& rType )
59*b1cdbd2cSJim Jagielski throw( uno::RuntimeException)
60*b1cdbd2cSJim Jagielski {
61*b1cdbd2cSJim Jagielski uno::Any aRet = cppu::queryInterface( rType,
62*b1cdbd2cSJim Jagielski SAL_STATIC_CAST( io::XInputStream*,this ),
63*b1cdbd2cSJim Jagielski SAL_STATIC_CAST( io::XSeekable*,this ) );
64*b1cdbd2cSJim Jagielski return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
65*b1cdbd2cSJim Jagielski }
66*b1cdbd2cSJim Jagielski
67*b1cdbd2cSJim Jagielski
68*b1cdbd2cSJim Jagielski void SAL_CALL
acquire(void)69*b1cdbd2cSJim Jagielski XInputStream_impl::acquire(
70*b1cdbd2cSJim Jagielski void )
71*b1cdbd2cSJim Jagielski throw()
72*b1cdbd2cSJim Jagielski {
73*b1cdbd2cSJim Jagielski OWeakObject::acquire();
74*b1cdbd2cSJim Jagielski }
75*b1cdbd2cSJim Jagielski
76*b1cdbd2cSJim Jagielski
77*b1cdbd2cSJim Jagielski void SAL_CALL
release(void)78*b1cdbd2cSJim Jagielski XInputStream_impl::release(
79*b1cdbd2cSJim Jagielski void )
80*b1cdbd2cSJim Jagielski throw()
81*b1cdbd2cSJim Jagielski {
82*b1cdbd2cSJim Jagielski OWeakObject::release();
83*b1cdbd2cSJim Jagielski }
84*b1cdbd2cSJim Jagielski
85*b1cdbd2cSJim Jagielski
86*b1cdbd2cSJim Jagielski
87*b1cdbd2cSJim Jagielski sal_Int32 SAL_CALL
readBytes(uno::Sequence<sal_Int8> & aData,sal_Int32 nBytesToRead)88*b1cdbd2cSJim Jagielski XInputStream_impl::readBytes(
89*b1cdbd2cSJim Jagielski uno::Sequence< sal_Int8 >& aData,
90*b1cdbd2cSJim Jagielski sal_Int32 nBytesToRead )
91*b1cdbd2cSJim Jagielski throw( io::NotConnectedException,
92*b1cdbd2cSJim Jagielski io::BufferSizeExceededException,
93*b1cdbd2cSJim Jagielski io::IOException,
94*b1cdbd2cSJim Jagielski uno::RuntimeException)
95*b1cdbd2cSJim Jagielski {
96*b1cdbd2cSJim Jagielski if( ! m_bIsOpen )
97*b1cdbd2cSJim Jagielski throw io::IOException();
98*b1cdbd2cSJim Jagielski
99*b1cdbd2cSJim Jagielski aData.realloc(nBytesToRead);
100*b1cdbd2cSJim Jagielski //TODO! translate memory exhaustion (if it were detectable...) into
101*b1cdbd2cSJim Jagielski // io::BufferSizeExceededException
102*b1cdbd2cSJim Jagielski
103*b1cdbd2cSJim Jagielski sal_uInt64 nrc;
104*b1cdbd2cSJim Jagielski m_aFile.read( aData.getArray(),sal_uInt64(nBytesToRead),nrc );
105*b1cdbd2cSJim Jagielski
106*b1cdbd2cSJim Jagielski // Shrink aData in case we read less than nBytesToRead (XInputStream
107*b1cdbd2cSJim Jagielski // documentation does not tell whether this is required, and I do not know
108*b1cdbd2cSJim Jagielski // if any code relies on this, so be conservative---SB):
109*b1cdbd2cSJim Jagielski if (nrc != sal::static_int_cast<sal_uInt64>( nBytesToRead) )
110*b1cdbd2cSJim Jagielski aData.realloc(sal_Int32(nrc));
111*b1cdbd2cSJim Jagielski return ( sal_Int32 ) nrc;
112*b1cdbd2cSJim Jagielski }
113*b1cdbd2cSJim Jagielski
114*b1cdbd2cSJim Jagielski sal_Int32 SAL_CALL
readSomeBytes(uno::Sequence<sal_Int8> & aData,sal_Int32 nMaxBytesToRead)115*b1cdbd2cSJim Jagielski XInputStream_impl::readSomeBytes(
116*b1cdbd2cSJim Jagielski uno::Sequence< sal_Int8 >& aData,
117*b1cdbd2cSJim Jagielski sal_Int32 nMaxBytesToRead )
118*b1cdbd2cSJim Jagielski throw( io::NotConnectedException,
119*b1cdbd2cSJim Jagielski io::BufferSizeExceededException,
120*b1cdbd2cSJim Jagielski io::IOException,
121*b1cdbd2cSJim Jagielski uno::RuntimeException)
122*b1cdbd2cSJim Jagielski {
123*b1cdbd2cSJim Jagielski return readBytes( aData,nMaxBytesToRead );
124*b1cdbd2cSJim Jagielski }
125*b1cdbd2cSJim Jagielski
126*b1cdbd2cSJim Jagielski
127*b1cdbd2cSJim Jagielski void SAL_CALL
skipBytes(sal_Int32 nBytesToSkip)128*b1cdbd2cSJim Jagielski XInputStream_impl::skipBytes(
129*b1cdbd2cSJim Jagielski sal_Int32 nBytesToSkip )
130*b1cdbd2cSJim Jagielski throw( io::NotConnectedException,
131*b1cdbd2cSJim Jagielski io::BufferSizeExceededException,
132*b1cdbd2cSJim Jagielski io::IOException,
133*b1cdbd2cSJim Jagielski uno::RuntimeException)
134*b1cdbd2cSJim Jagielski {
135*b1cdbd2cSJim Jagielski m_aFile.setPos( osl_Pos_Current, sal_uInt64( nBytesToSkip ) );
136*b1cdbd2cSJim Jagielski }
137*b1cdbd2cSJim Jagielski
138*b1cdbd2cSJim Jagielski
139*b1cdbd2cSJim Jagielski sal_Int32 SAL_CALL
available(void)140*b1cdbd2cSJim Jagielski XInputStream_impl::available(
141*b1cdbd2cSJim Jagielski void )
142*b1cdbd2cSJim Jagielski throw( io::NotConnectedException,
143*b1cdbd2cSJim Jagielski io::IOException,
144*b1cdbd2cSJim Jagielski uno::RuntimeException)
145*b1cdbd2cSJim Jagielski {
146*b1cdbd2cSJim Jagielski return 0;
147*b1cdbd2cSJim Jagielski }
148*b1cdbd2cSJim Jagielski
149*b1cdbd2cSJim Jagielski
150*b1cdbd2cSJim Jagielski void SAL_CALL
closeInput(void)151*b1cdbd2cSJim Jagielski XInputStream_impl::closeInput(
152*b1cdbd2cSJim Jagielski void )
153*b1cdbd2cSJim Jagielski throw( io::NotConnectedException,
154*b1cdbd2cSJim Jagielski io::IOException,
155*b1cdbd2cSJim Jagielski uno::RuntimeException )
156*b1cdbd2cSJim Jagielski {
157*b1cdbd2cSJim Jagielski if( m_bIsOpen )
158*b1cdbd2cSJim Jagielski {
159*b1cdbd2cSJim Jagielski osl::FileBase::RC err = m_aFile.close();
160*b1cdbd2cSJim Jagielski if( err != osl::FileBase::E_None )
161*b1cdbd2cSJim Jagielski throw io::IOException();
162*b1cdbd2cSJim Jagielski m_bIsOpen = false;
163*b1cdbd2cSJim Jagielski }
164*b1cdbd2cSJim Jagielski }
165*b1cdbd2cSJim Jagielski
166*b1cdbd2cSJim Jagielski
167*b1cdbd2cSJim Jagielski void SAL_CALL
seek(sal_Int64 location)168*b1cdbd2cSJim Jagielski XInputStream_impl::seek(
169*b1cdbd2cSJim Jagielski sal_Int64 location )
170*b1cdbd2cSJim Jagielski throw( lang::IllegalArgumentException,
171*b1cdbd2cSJim Jagielski io::IOException,
172*b1cdbd2cSJim Jagielski uno::RuntimeException )
173*b1cdbd2cSJim Jagielski {
174*b1cdbd2cSJim Jagielski if( location < 0 )
175*b1cdbd2cSJim Jagielski throw lang::IllegalArgumentException();
176*b1cdbd2cSJim Jagielski if( osl::FileBase::E_None != m_aFile.setPos( Pos_Absolut, sal_uInt64( location ) ) )
177*b1cdbd2cSJim Jagielski throw io::IOException();
178*b1cdbd2cSJim Jagielski }
179*b1cdbd2cSJim Jagielski
180*b1cdbd2cSJim Jagielski
181*b1cdbd2cSJim Jagielski sal_Int64 SAL_CALL
getPosition(void)182*b1cdbd2cSJim Jagielski XInputStream_impl::getPosition(
183*b1cdbd2cSJim Jagielski void )
184*b1cdbd2cSJim Jagielski throw( io::IOException,
185*b1cdbd2cSJim Jagielski uno::RuntimeException )
186*b1cdbd2cSJim Jagielski {
187*b1cdbd2cSJim Jagielski sal_uInt64 uPos;
188*b1cdbd2cSJim Jagielski if( osl::FileBase::E_None != m_aFile.getPos( uPos ) )
189*b1cdbd2cSJim Jagielski throw io::IOException();
190*b1cdbd2cSJim Jagielski return sal_Int64( uPos );
191*b1cdbd2cSJim Jagielski }
192*b1cdbd2cSJim Jagielski
193*b1cdbd2cSJim Jagielski sal_Int64 SAL_CALL
getLength(void)194*b1cdbd2cSJim Jagielski XInputStream_impl::getLength(
195*b1cdbd2cSJim Jagielski void )
196*b1cdbd2cSJim Jagielski throw( io::IOException,
197*b1cdbd2cSJim Jagielski uno::RuntimeException )
198*b1cdbd2cSJim Jagielski {
199*b1cdbd2cSJim Jagielski osl::FileBase::RC err;
200*b1cdbd2cSJim Jagielski sal_uInt64 uCurrentPos, uEndPos;
201*b1cdbd2cSJim Jagielski
202*b1cdbd2cSJim Jagielski err = m_aFile.getPos( uCurrentPos );
203*b1cdbd2cSJim Jagielski if( err != osl::FileBase::E_None )
204*b1cdbd2cSJim Jagielski throw io::IOException();
205*b1cdbd2cSJim Jagielski
206*b1cdbd2cSJim Jagielski err = m_aFile.setPos( Pos_End, 0 );
207*b1cdbd2cSJim Jagielski if( err != osl::FileBase::E_None )
208*b1cdbd2cSJim Jagielski throw io::IOException();
209*b1cdbd2cSJim Jagielski
210*b1cdbd2cSJim Jagielski err = m_aFile.getPos( uEndPos );
211*b1cdbd2cSJim Jagielski if( err != osl::FileBase::E_None )
212*b1cdbd2cSJim Jagielski throw io::IOException();
213*b1cdbd2cSJim Jagielski
214*b1cdbd2cSJim Jagielski err = m_aFile.setPos( Pos_Absolut, uCurrentPos );
215*b1cdbd2cSJim Jagielski if( err != osl::FileBase::E_None )
216*b1cdbd2cSJim Jagielski throw io::IOException();
217*b1cdbd2cSJim Jagielski else
218*b1cdbd2cSJim Jagielski return sal_Int64( uEndPos );
219*b1cdbd2cSJim Jagielski }
220