/usr/include/xsec/dsig/DSIGTransform.hpp is in libxml-security-c-dev 1.6.1-1build1.
This file is owned by root:root, with mode 0o644.
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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
*
* DSIGTransform := Base (virtual) class that defines a DSIG Transform
*
* Author(s): Berin Lautenbach
*
* $Id: DSIGTransform.hpp 1125514 2011-05-20 19:08:33Z scantor $
*
*/
#ifndef DSIGTRANSFORM_INCLUDE
#define DSIGTRANSFORM_INCLUDE
#include <xsec/dsig/DSIGConstants.hpp>
#include <xsec/framework/XSECDefs.hpp>
XSEC_DECLARE_XERCES_CLASS(DOMNode);
XSEC_DECLARE_XERCES_CLASS(DOMElement);
XSEC_DECLARE_XERCES_CLASS(DOMDocument);
#include <stdio.h>
class XSECEnv;
class TXFMChain;
/**
* @ingroup pubsig
*/
/**
* @brief The base class for transforms.
*
* The DSIGTransform class is the base class used to hold \<Transform\> elements
* within a document.
*
* It does not in actually perform any transformations - only hold the information
* about a transform in a \<Signature\> structure.
*
* @see TXFMBase
*
*/
class DSIG_EXPORT DSIGTransform {
public:
/** @name Constructors and Destructors */
//@{
/**
* \brief Contructor used for existing XML signatures.
*
* The Node structure already exists, so this type of Transform constructor
* will generally read the nodes in.
*
* @note DSIGTransform structures should only ever be created via calls to a
* DSIGTransformList object.
*
* @param env The environment in which this transform operates
* @param node The DOM node (within doc) that is to be used as the base of the Transform.
* @see #load
*/
DSIGTransform(const XSECEnv * env, XERCES_CPP_NAMESPACE_QUALIFIER DOMNode * node) :
mp_txfmNode(node),
mp_env(env) {};
/**
* \brief Contructor used for new signatures.
*
* The Node structure will have to be created by the implementation class
*
* @note DSIGTransform structures should only ever be created via calls to a
* DSIGTransformList object.
*
* @param env The environment descriptor for the object
*
*/
DSIGTransform(const XSECEnv * env) :
mp_txfmNode(NULL),
mp_env(env) {};
/**
* \brief Destructor.
*
* Destroy the DSIGSignature elements.
*
* Does not destroy any associated DOM Nodes
*/
virtual ~DSIGTransform() {};
//@}
/** @name Interface Methods */
//@{
/**
* \brief Determine the transform type.
*
* Used to determine what the type of the transform is.
*
*/
virtual transformType getTransformType() = 0;
/**
* \brief Create the transformer element and append to an existing Chain.
*
* Implemented by each Transform class and used by the DSIGSignature
* to construct a complete Transform chain (TXFMChain).
*/
virtual void appendTransformer(TXFMChain * input) = 0;
/**
* \brief Construct a new transform.
*
* Instruct the implementation to create the required
* transform and return the newly constructed DOMNode structure
*/
virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMElement *
createBlankTransform(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument * parentDoc) = 0;
/**
* \brief Load a DOM structure
*
* Take the original node and load any sub nodes in the transform
* (if necessary)
*/
virtual void load(void) = 0;
//@}
protected:
/** @name Utility Functions */
//@{
/**
* \brief Create the basic node structure of a transform
*
*/
XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * createTransformNode();
XERCES_CPP_NAMESPACE_QUALIFIER DOMNode
* mp_txfmNode; // The node that we read from
const XSECEnv * mp_env; // Owning signature
private:
DSIGTransform();
DSIGTransform(const DSIGTransform &theOther);
};
#endif /* #define DSIGTRANSFORM_INCLUDE */
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