1 files changed, 162 insertions, 0 deletions
diff --git a/xmlserializer/XmlParser.cpp b/xmlserializer/XmlParser.cpp
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+/* <auto_header>
+ * <FILENAME>
+ * 
+ * INTEL CONFIDENTIAL
+ * Copyright © 2011 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.
+ * 
+ *  AUTHOR: Patrick Benavoli (patrickx.benavoli@intel.com)
+ * CREATED: 2011-06-01
+ * UPDATED: 2011-07-27
+ * 
+ * 
+ * </auto_header>
+ */
+#include "XmlParser.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <libxml/xmlschemas.h>
+
+#define base CXmlSerializer
+
+
+CXmlParser::CXmlParser(const string& strXmlInstanceFile, const string& strXmlSchemaFile, const string& strRootElementType, CXmlSerializingContext& serializingContext) :
+    base(strXmlInstanceFile, strXmlSchemaFile, strRootElementType, serializingContext)
+{
+}
+
+CXmlParser::~CXmlParser()
+{
+}
+
+void CXmlParser::schemaValidityStructuredErrorFunc(void* pUserData, _xmlError* pError)
+{
+    (void)pUserData;
+
+#ifdef LIBXML_SCHEMAS_ENABLED
+    // Display message
+    puts(pError->message);
+#endif
+}
+
+bool CXmlParser::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);
+    //xmlSchemaSetValidErrors(pValidationCtxt, schemaValidityErrorFunc, schemaValidityWarningFunc, NULL);
+
+    bool isDocValid = xmlSchemaValidateDoc(pValidationCtxt, _pDoc) == 0;
+
+    xmlSchemaFreeValidCtxt(pValidationCtxt);
+    xmlSchemaFree(pSchema);
+    xmlSchemaFreeParserCtxt(pParserCtxt);
+    xmlFreeDoc(pSchemaDoc);
+
+    return isDocValid;
+#else
+    return true;
+#endif
+}
+
+bool CXmlParser::open()
+{
+    // Parse the file and get the DOM
+    _pDoc = xmlReadFile(_strXmlInstanceFile.c_str(), NULL, 0);
+
+    if (!_pDoc) {
+
+        _serializingContext.setError("Could not parse file " + _strXmlInstanceFile);
+
+        return false;
+    }
+    // Validate
+    if (!isInstanceDocumentValid()) {
+
+        _serializingContext.setError("Document " + _strXmlInstanceFile + " is not valid");
+
+        // Free XML doc
+        xmlFreeDoc(_pDoc);
+
+        _pDoc = NULL;
+
+        return false;
+    }
+
+    // Get the root element node
+    _pRootNode = xmlDocGetRootElement(_pDoc);
+
+    // Check Root element type
+    if (getRootElementName() != _strRootElementType) {
+
+        _serializingContext.setError("Error: Wrong XML structure file " + _strXmlInstanceFile);
+        _serializingContext.appendLineToError("Root Element " + getRootElementName() + " mismatches expected type " + _strRootElementType);
+
+        return false;
+    }
+
+    return base::open();
+}
+
+bool CXmlParser::parse(IXmlSink* pXmlSink)
+{
+    // Parse document
+    CXmlElement topMostElement(_pRootNode);
+
+    return pXmlSink->fromXml(topMostElement, _serializingContext);
+}
+