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Add a static buffer transform source.
git-svn-id: https://svn.apache.org/repos/asf/santuario/xml-security-cpp/trunk@1826173 13f79535-47bb-0310-9956-ffa450edef68
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Scott Cantor
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Mar 8, 2018
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
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| /* | ||
| * XSEC | ||
| * | ||
| * TXFMChar := Class that takes an input static buffer to start a transform pipe | ||
| * | ||
| */ | ||
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| #include <xsec/transformers/TXFMChar.hpp> | ||
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| XERCES_CPP_NAMESPACE_USE | ||
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| // General includes | ||
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| #include <memory.h> | ||
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| TXFMChar::TXFMChar(DOMDocument *doc) : TXFMBase(doc) { | ||
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| toOutput = 0; | ||
| } | ||
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| TXFMChar::~TXFMChar() { | ||
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| } | ||
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| // Methods to set the inputs | ||
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| void TXFMChar::setInput(TXFMBase *newInput) { | ||
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| // We're the start of the actual data pipe, but we need to track | ||
| // the pointer for chain disposal. | ||
| input = newInput; | ||
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| return; | ||
| } | ||
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| void TXFMChar::setInput(const char* in) { | ||
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| // Assume this is a string | ||
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| buf = in; | ||
| toOutput = in ? strlen(in) : 0; | ||
| sbs = toOutput; | ||
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| } | ||
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| void TXFMChar::setInput(const char* in, unsigned int bSize) { | ||
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| // Assume this is a string | ||
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| buf = in; | ||
| if (bSize > (in ? strlen(in) : 0)) | ||
| toOutput = in ? strlen(in) : 0; | ||
| else | ||
| toOutput = bSize; | ||
| sbs = toOutput; | ||
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| } | ||
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| // Methods to get tranform output type and input requirement | ||
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| TXFMBase::ioType TXFMChar::getInputType() const { | ||
| return TXFMBase::BYTE_STREAM; | ||
| } | ||
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| TXFMBase::ioType TXFMChar::getOutputType() const { | ||
| return TXFMBase::BYTE_STREAM; | ||
| } | ||
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| TXFMBase::nodeType TXFMChar::getNodeType() const { | ||
| return TXFMBase::DOM_NODE_NONE; | ||
| } | ||
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| // Methods to get output data | ||
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| unsigned int TXFMChar::readBytes(XMLByte* const toFill, unsigned int maxToFill) { | ||
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| // Return from the buffer | ||
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| unsigned int ret; | ||
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| if (toOutput == 0) | ||
| return 0; | ||
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| // Check if we can just output everything left | ||
| if (toOutput <= maxToFill) { | ||
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| memcpy((char *) toFill, &(buf[sbs - toOutput]), toOutput); | ||
| ret = (unsigned int) toOutput; | ||
| toOutput = 0; | ||
| return ret; | ||
| } | ||
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| // Output just some | ||
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| memcpy((char *) toFill, &(buf[sbs - toOutput]), maxToFill); | ||
| ret = maxToFill; | ||
| toOutput -= maxToFill; | ||
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| return ret; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| /** | ||
| * 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 from a static buffer to start a pipe | ||
| * | ||
| */ | ||
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| #ifndef TXFMCHAR_INCLUDE | ||
| #define TXFMCHAR_INCLUDE | ||
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| #include <xsec/transformers/TXFMBase.hpp> | ||
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| /** | ||
| * \brief Base transformer to start a chain from a static buffer | ||
| * @ingroup internal | ||
| */ | ||
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| class XSEC_EXPORT TXFMChar : public TXFMBase { | ||
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| private: | ||
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| const char* buf; // Buffer to use | ||
| XMLSize_t toOutput; // Amount left to output | ||
| XMLSize_t sbs; // Size of raw buffer | ||
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| public: | ||
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| TXFMChar(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *doc); | ||
| virtual ~TXFMChar(); | ||
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| // Methods to set the inputs | ||
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| virtual void setInput(TXFMBase *newInput); | ||
| void setInput(const char* in); | ||
| void setInput(const char* in, unsigned int bufSize); | ||
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| // Methods to get tranform output type and input requirement | ||
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| virtual TXFMBase::ioType getInputType() const; | ||
| virtual TXFMBase::ioType getOutputType() const; | ||
| virtual nodeType getNodeType() const; | ||
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| // Methods to get output data | ||
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| virtual unsigned int readBytes(XMLByte* const toFill, const unsigned int maxToFill); | ||
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| private: | ||
| TXFMChar(); | ||
| }; | ||
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| #endif |