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MemBufInputSource.hpp
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* $Id: MemBufInputSource.hpp 932887 2010-04-11 13:04:59Z borisk $
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*/
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#if !defined(XERCESC_INCLUDE_GUARD_MEMBUFINPUTSOURCE_HPP)
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#define XERCESC_INCLUDE_GUARD_MEMBUFINPUTSOURCE_HPP
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#include <
xercesc/sax/InputSource.hpp
>
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XERCES_CPP_NAMESPACE_BEGIN
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class
BinInputStream
;
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class
XMLPARSER_EXPORT
MemBufInputSource
:
public
InputSource
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{
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public
:
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// -----------------------------------------------------------------------
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// Constructors and Destructor
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// -----------------------------------------------------------------------
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MemBufInputSource
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(
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const
XMLByte
*
const
srcDocBytes
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,
const
XMLSize_t
byteCount
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,
const
XMLCh
*
const
bufId
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,
const
bool
adoptBuffer =
false
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,
MemoryManager
*
const
manager =
XMLPlatformUtils::fgMemoryManager
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);
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MemBufInputSource
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(
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const
XMLByte
*
const
srcDocBytes
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,
const
XMLSize_t
byteCount
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,
const
char
*
const
bufId
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,
const
bool
adoptBuffer =
false
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,
MemoryManager
*
const
manager =
XMLPlatformUtils::fgMemoryManager
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);
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~
MemBufInputSource
();
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// -----------------------------------------------------------------------
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// Virtual input source interface
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// -----------------------------------------------------------------------
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BinInputStream
*
makeStream
()
const
;
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// -----------------------------------------------------------------------
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// Setter methods
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// -----------------------------------------------------------------------
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void
setCopyBufToStream(
const
bool
newState);
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void
resetMemBufInputSource(
const
XMLByte
*
const
srcDocBytes
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,
const
XMLSize_t
byteCount);
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private
:
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// -----------------------------------------------------------------------
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// Unimplemented constructors and operators
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// -----------------------------------------------------------------------
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MemBufInputSource
(
const
MemBufInputSource
&);
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MemBufInputSource
& operator=(
const
MemBufInputSource
&);
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// -----------------------------------------------------------------------
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// Private data members
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//
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// fAdopted
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// Indicates whether the buffer is adopted or not. If so, then it
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// is destroyed when the input source is destroyed.
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//
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// fByteCount
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// The size of the source document.
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//
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// fCopyBufToStream
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// This defaults to true (the safe option), which causes it to
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// give a copy of the buffer to any streams it creates. If you set
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// it to false, it will allow the streams to just reference the
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// buffer (in which case this input source must stay alive as long
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// as the buffer is in use by the stream.)
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//
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// fSrcBytes
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// The source memory buffer that is being spooled from. Whether it
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// belongs to the this input source or not is controlled by the
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// fAdopted flag.
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// -----------------------------------------------------------------------
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bool
fAdopted;
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XMLSize_t
fByteCount;
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bool
fCopyBufToStream;
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const
XMLByte
* fSrcBytes;
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};
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inline
void
MemBufInputSource::setCopyBufToStream
(
const
bool
newState)
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{
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fCopyBufToStream = newState;
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}
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XERCES_CPP_NAMESPACE_END
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#endif
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