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/*
* Copyright (c) 2011-2014, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "XmlElement.h"
#include "XmlSerializingContext.h"
#include <string>
struct _xmlDoc;
struct _xmlNode;
struct _xmlError;
/**
* The CXmlDocSource is used by CXmlDocSink.
* The interaction between the xml source and xml sink is defined
* in the process method of CXmlDocSink. One can subclass CXmlDocSource
* for different purposes by implementing the populate method and then
* use it with any existing implementation of CXmlDocSink.
*/
class CXmlDocSource
{
public:
/**
* Constructor
*
* @param[out] pDoc a pointer to the xml document that will be filled by the class
* @param[in] pRootNode a pointer to the root element of the document.
* @param[in] bValidateWithSchema a boolean that toggles schema validation
*/
CXmlDocSource(_xmlDoc* pDoc, _xmlNode* pRootNode = NULL, bool bValidateWithSchema = false);
/**
* Constructor
*
* @param[out] pDoc a pointer to the xml document that will be filled by the class
* @param[in] strXmlSchemaFile a string containing the path to the schema file
* @param[in] strRootElementType a string containing the root element type
* @param[in] strRootElementName a string containing the root element name
* @param[in] strNameAttributeName a string containing the name of the root name attribute
*/
CXmlDocSource(_xmlDoc* pDoc,
const string& strXmlSchemaFile,
const string& strRootElementType,
const string& strRootElementName,
const string& strNameAttrituteName);
/**
* Constructor
*
* @param[out] pDoc a pointer to the xml document that will be filled by the class
* @param[in] strXmlSchemaFile a string containing the path to the schema file
* @param[in] strRootElementType a string containing the root element type
* @param[in] strRootElementName a string containing the root element name
* @param[in] strNameAttributeName a string containing the name of the root name attribute
* @param[in] bValidateWithSchema a boolean that toggles schema validation
*/
CXmlDocSource(_xmlDoc* pDoc,
const string& strXmlSchemaFile,
const string& strRootElementType,
const string& strRootElementName,
const string& strNameAttrituteName,
bool bValidateWithSchema);
/**
* Constructor
*
* @param[out] pDoc a pointer to the xml document that will be filled by the class
* @param[in] strXmlSchemaFile a string containing the path to the schema file
* @param[in] strRootElementType a string containing the root element type
*/
CXmlDocSource(_xmlDoc* pDoc, const string& strXmlSchemaFile, const string& strRootElementType,
bool bValidateWithSchema);
/**
* Destructor
*/
virtual ~CXmlDocSource();
/**
* Method called by the CXmlDocSink::process method.
*
* @param[out] serializingContext is used as error output
*
* @return false if there are any error
*/
virtual bool populate(CXmlSerializingContext& serializingContext) = 0;
/**
* Method that returns the root element of the Xml tree.
*
* @param[out] xmlRootElement a reference to the CXmleElement destination
*/
void getRootElement(CXmlElement& xmlRootElement) const;
/**
* Getter method.
*
* @return the root element's name
*/
string getRootElementName() const;
/**
* Getter method.
* Method that returns the root element's attribute with name matching strAttributeName.
*
* @param[in] strAttributeName is a string used to find the corresponding attribute
*
* @return the value of the root's attribute named as strAttributeName
*/
string getRootElementAttributeString(const string& strAttributeName) const;
/**
* Getter method.
* Method that returns the xmlDoc contained in the Source.
* (Can be used in a Doc Sink)
*
* @return the document _pDoc
*/
_xmlDoc* getDoc() const;
/**
* Method that validates the Xml doc contained in pDoc
*
* @param[out] serializingContext is used as error output
*
* @return false if any error occurs
*/
virtual bool validate(CXmlSerializingContext& serializingContext);
protected:
/**
* Doc
*/
_xmlDoc* _pDoc;
/**
* Root node
*/
_xmlNode* _pRootNode;
/**
* libxml2 library cleanup
*/
static bool _bLibXml2CleanupScheduled;
private:
/**
* Method that initializes class internal attributes in constructor
*/
void init();
/** Method that check the validity of the document with the xsd file.
*
* @return true if document is valid, false if any error occures
*/
bool isInstanceDocumentValid();
/** Validity error display method
*
* @param[in] pUserData pointer to the data to validate
* @param[out] pError is the xml error output
*/
static void schemaValidityStructuredErrorFunc(void* pUserData, _xmlError* pError);
/**
* Schema file
*/
string _strXmlSchemaFile;
/**
* Element type info
*/
string _strRootElementType;
/**
* Element name info
*/
string _strRootElementName;
/**
* Element name attribute info
*/
string _strNameAttrituteName;
/**
* Boolean that enables the root element name attribute check
*/
bool _bNameCheck;
/**
* Boolean that enables the validation via xsd files
*/
bool _bValidateWithSchema;
};
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