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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* XSEC
*
* XSECBinTXFMInputStream := Implement the BinInputStream around Transforms.
*
* Author(s): Berin Lautenbach
*
* $ID$
*
* $LOG$
*
*/
#include <xsec/utils/XSECBinTXFMInputStream.hpp>
#include <xsec/transformers/TXFMBase.hpp>
#include <xsec/transformers/TXFMChain.hpp>
#include <xsec/framework/XSECError.hpp>
// ---------------------------------------------------------------------------
// Constructors/Destructors
// ---------------------------------------------------------------------------
XSECBinTXFMInputStream::XSECBinTXFMInputStream(TXFMChain * lst, bool deleteWhenDone) :
mp_txfm(lst->getLastTxfm()),
mp_chain(lst),
m_deleteWhenDone(deleteWhenDone),
m_deleted(false),
m_done(false),
m_currentIndex(0) {
if (mp_txfm->getOutputType() != TXFMBase::BYTE_STREAM) {
throw XSECException(XSECException::TransformError,
"Cannot wrapper a non BYTE_STREAM TXFM with XSECBinTXFMInputStream");
}
}
XSECBinTXFMInputStream::~XSECBinTXFMInputStream() {
if (m_deleteWhenDone == true && m_deleted == false) {
delete mp_chain;
m_deleted = true;
}
}
// ---------------------------------------------------------------------------
// Stream methods
// ---------------------------------------------------------------------------
void XSECBinTXFMInputStream::reset(void) {}
#ifdef XSEC_XERCES_64BITSAFE
XMLFilePos
#else
unsigned int
#endif
XSECBinTXFMInputStream::curPos() const {
return m_currentIndex;
}
xsecsize_t XSECBinTXFMInputStream::readBytes(XMLByte* const toFill,
const xsecsize_t maxToRead) {
if (m_done == true)
return 0;
xsecsize_t bytesRead = mp_txfm->readBytes(toFill, maxToRead);
if (bytesRead == 0) {
if (m_deleteWhenDone) {
delete mp_chain;
mp_txfm = 0;
mp_chain = 0;
m_deleted = true;
}
m_done = true;
}
m_currentIndex += bytesRead;
return bytesRead;
}
#ifdef XSEC_XERCES_INPUTSTREAM_HAS_CONTENTTYPE
const XMLCh* XSECBinTXFMInputStream::getContentType() const {
return NULL;
}
#endif
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