1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* 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.
*
* CREATED: 2011-06-01
* UPDATED: 2011-07-27
*/
#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);
}
|
