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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
*
* TXFMChar := Class that takes an input static buffer to start a transform pipe
*
*/
#include <xsec/transformers/TXFMChar.hpp>
XERCES_CPP_NAMESPACE_USE
// General includes
#include <memory.h>
TXFMChar::TXFMChar(DOMDocument *doc) : TXFMBase(doc) {
toOutput = 0;
}
TXFMChar::~TXFMChar() {
}
// Methods to set the inputs
void TXFMChar::setInput(TXFMBase *newInput) {
// We're the start of the actual data pipe, but we need to track
// the pointer for chain disposal.
input = newInput;
return;
}
void TXFMChar::setInput(const char* in) {
// Assume this is a string
buf = in;
toOutput = in ? strlen(in) : 0;
sbs = toOutput;
}
void TXFMChar::setInput(const char* in, unsigned int bSize) {
// Assume this is a raw buffer
buf = in;
toOutput = bSize;
sbs = toOutput;
}
// Methods to get tranform output type and input requirement
TXFMBase::ioType TXFMChar::getInputType() const {
return TXFMBase::BYTE_STREAM;
}
TXFMBase::ioType TXFMChar::getOutputType() const {
return TXFMBase::BYTE_STREAM;
}
TXFMBase::nodeType TXFMChar::getNodeType() const {
return TXFMBase::DOM_NODE_NONE;
}
// Methods to get output data
unsigned int TXFMChar::readBytes(XMLByte* const toFill, unsigned int maxToFill) {
// Return from the buffer
unsigned int ret;
if (toOutput == 0)
return 0;
// Check if we can just output everything left
if (toOutput <= maxToFill) {
memcpy((char *) toFill, &(buf[sbs - toOutput]), toOutput);
ret = (unsigned int) toOutput;
toOutput = 0;
return ret;
}
// Output just some
memcpy((char *) toFill, &(buf[sbs - toOutput]), maxToFill);
ret = maxToFill;
toOutput -= maxToFill;
return ret;
}
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