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/*
* INTEL CONFIDENTIAL
* Copyright © 2013 Intel
* Corporation All Rights Reserved.
*
* The source code contained or described herein and all documents related to
* the source code ("Material") are owned by Intel Corporation or its suppliers
* or licensors. Title to the Material remains with Intel Corporation or its
* suppliers and licensors. The Material contains trade secrets and proprietary
* and confidential information of Intel or its suppliers and licensors. The
* Material is protected by worldwide copyright and trade secret laws and
* treaty provisions. No part of the Material may be used, copied, reproduced,
* modified, published, uploaded, posted, transmitted, distributed, or
* disclosed in any way without Intel’s prior express written permission.
*
* No license under any patent, copyright, trade secret or other intellectual
* property right is granted to or conferred upon you by disclosure or delivery
* of the Materials, either expressly, by implication, inducement, estoppel or
* otherwise. Any license under such intellectual property rights must be
* express and approved by Intel in writing.
*/
#include "XmlDocSource.h"
#include <libxml/tree.h>
#include <libxml/xmlschemas.h>
#include <stdlib.h>
// Schedule for libxml2 library
bool CXmlDocSource::_bLibXml2CleanupScheduled;
CXmlDocSource::CXmlDocSource(_xmlDoc *pDoc, _xmlNode *pRootNode):
_pDoc(pDoc),
_pRootNode(pRootNode),
_strXmlSchemaFile(""),
_strRootElementType(""),
_strRootElementName(""),
_strNameAttrituteName(""),
_bNameCheck(false)
{
init();
}
CXmlDocSource::CXmlDocSource(_xmlDoc *pDoc,
const string& strXmlSchemaFile,
const string& strRootElementType,
const string& strRootElementName,
const string& strNameAttrituteName) :
_pDoc(pDoc),
_pRootNode(NULL),
_strXmlSchemaFile(strXmlSchemaFile),
_strRootElementType(strRootElementType),
_strRootElementName(strRootElementName),
_strNameAttrituteName(strNameAttrituteName),
_bNameCheck(true)
{
init();
}
CXmlDocSource::CXmlDocSource(_xmlDoc* pDoc,
const string& strXmlSchemaFile,
const string& strRootElementType) :
_pDoc(pDoc), _pRootNode(NULL),
_strXmlSchemaFile(strXmlSchemaFile),
_strRootElementType(strRootElementType),
_strRootElementName(""),
_strNameAttrituteName(""),
_bNameCheck(false)
{
init();
}
CXmlDocSource::~CXmlDocSource()
{
if (_pDoc) {
// Free XML doc
xmlFreeDoc(_pDoc);
_pDoc = NULL;
}
}
void CXmlDocSource::getRootElement(CXmlElement& xmlRootElement) const
{
xmlRootElement.setXmlElement(_pRootNode);
}
string CXmlDocSource::getRootElementName() const
{
return (const char*)_pRootNode->name;
}
string CXmlDocSource::getRootElementAttributeString(const string& strAttributeName) const
{
CXmlElement topMostElement(_pRootNode);
return topMostElement.getAttributeString(strAttributeName);
}
_xmlDoc* CXmlDocSource::getDoc() const
{
return _pDoc;
}
bool CXmlDocSource::validate(CXmlSerializingContext& serializingContext)
{
// Check that the doc has been created
if (!_pDoc) {
serializingContext.setError("Could not parse document ");
return false;
}
// Validate
if (!isInstanceDocumentValid()) {
serializingContext.setError("Document is not valid");
return false;
}
// Check Root element type
if (getRootElementName() != _strRootElementType) {
serializingContext.setError("Error: Wrong XML structure document ");
serializingContext.appendLineToError("Root Element " + getRootElementName()
+ " mismatches expected type " + _strRootElementType);
return false;
}
if (_bNameCheck) {
string strRootElementNameCheck = getRootElementAttributeString(_strNameAttrituteName);
// Check Root element name attribute (if any)
if (!_strRootElementName.empty() && strRootElementNameCheck != _strRootElementName) {
serializingContext.setError("Error: Wrong XML structure document ");
serializingContext.appendLineToError(_strRootElementType + " element "
+ _strRootElementName + " mismatches expected "
+ _strRootElementType + " type "
+ strRootElementNameCheck);
return false;
}
}
return true;
}
void CXmlDocSource::init()
{
if (!_bLibXml2CleanupScheduled) {
// Schedule cleanup
atexit(xmlCleanupParser);
_bLibXml2CleanupScheduled = true;
}
if (!_pRootNode) {
_pRootNode = xmlDocGetRootElement(_pDoc);
}
}
bool CXmlDocSource::isInstanceDocumentValid()
{
#ifdef LIBXML_SCHEMAS_ENABLED
xmlDocPtr pSchemaDoc = xmlReadFile(_strXmlSchemaFile.c_str(), NULL, XML_PARSE_NONET);
if (!pSchemaDoc) {
// Unable to load Schema
return false;
}
xmlSchemaParserCtxtPtr pParserCtxt = xmlSchemaNewDocParserCtxt(pSchemaDoc);
if (!pParserCtxt) {
// Unable to create schema context
xmlFreeDoc(pSchemaDoc);
return false;
}
// Get Schema
xmlSchemaPtr pSchema = xmlSchemaParse(pParserCtxt);
if (!pSchema) {
// Invalid Schema
xmlSchemaFreeParserCtxt(pParserCtxt);
xmlFreeDoc(pSchemaDoc);
return false;
}
xmlSchemaValidCtxtPtr pValidationCtxt = xmlSchemaNewValidCtxt(pSchema);
if (!pValidationCtxt) {
// Unable to create validation context
xmlSchemaFree(pSchema);
xmlSchemaFreeParserCtxt(pParserCtxt);
xmlFreeDoc(pSchemaDoc);
return false;
}
xmlSetStructuredErrorFunc(this, schemaValidityStructuredErrorFunc);
bool isDocValid = xmlSchemaValidateDoc(pValidationCtxt, _pDoc) == 0;
xmlSchemaFreeValidCtxt(pValidationCtxt);
xmlSchemaFree(pSchema);
xmlSchemaFreeParserCtxt(pParserCtxt);
xmlFreeDoc(pSchemaDoc);
return isDocValid;
#else
return true;
#endif
}
void CXmlDocSource::schemaValidityStructuredErrorFunc(void* pUserData, _xmlError* pError)
{
(void)pUserData;
#ifdef LIBXML_SCHEMAS_ENABLED
// Display message
puts(pError->message);
#endif
}
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