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
157
|
/*
* Oreka -- A media capture and retrieval platform
*
* Copyright (C) 2005, orecx LLC
*
* http://www.orecx.com
*
* This program is free software, distributed under the terms of
* the GNU General Public License.
* Please refer to http://www.gnu.org/copyleft/gpl.html
*
*/
#include "xercesc/util/XMLString.hpp"
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/dom/DOM.hpp>
#include <xercesc/dom/DOMElement.hpp>
#include <xercesc/dom/DOMImplementation.hpp>
#include <xercesc/dom/DOMImplementationLS.hpp>
#include <xercesc/dom/DOMWriter.hpp>
#include <xercesc/framework/MemBufFormatTarget.hpp>
#include "DomSerializer.h"
void DomSerializer::ObjectValue(const char* key, Object& value, bool required)
{
if (m_deSerialize == true)
{
GetObject(key, value, required);
}
else
{
AddObject(key, value);
}
}
void DomSerializer::GetString(const char* key, CStdString& value, bool required)
{
// Find the right node
DOMNode* stringNode = FindElementByName(m_node, CStdString(key));
if(stringNode)
{
// Now, the string associated to element should be the first child (text element)
DOMNode* textNode = stringNode->getFirstChild();
if (textNode && textNode->getNodeType() == DOMNode::TEXT_NODE)
{
value = XMLStringToLocal(textNode->getNodeValue());
}
}
else if (required)
{
throw(CStdString("DomSerializer::GetString: required parameter missing:") + key);
}
}
void DomSerializer::GetObject(const char* key, Object& value, bool required)
{
// Find the node corresponding to the object wanting to be populated
DOMNode* objectNode = FindElementByName(m_node, CStdString(key));
// Create a new serializer and affect it to this object
if (objectNode)
{
DomSerializer serializer(&value);
serializer.DeSerialize(objectNode);
}
else if (required)
{
throw(CStdString("DomSerializer::GetObject: required node missing:") + key);
}
}
void DomSerializer::AddObject(const char* key, Object& value)
{
;
}
void DomSerializer::AddString(const char* key, CStdString& value)
{
DOMElement* newElem = m_document->createElement(XStr(key).unicodeForm());
m_node->appendChild(newElem);
DOMText* newText = m_document->createTextNode(XStr((PCSTR)value).unicodeForm());
newElem->appendChild(newText);
}
void DomSerializer::Serialize(XERCES_CPP_NAMESPACE::DOMDocument* doc)
{
if(doc)
{
m_document = doc;
m_node = m_document->getDocumentElement();
m_deSerialize = false; // Set Serialize mode
m_object->Define(this);
}
else
{
throw(CStdString("DomSerializer::Serialize: input DOM document is NULL"));
}
}
void DomSerializer::DeSerialize(DOMNode* node)
{
m_node = node;
m_deSerialize = true; // Set DeSerialize mode
m_object->Define(this);
m_object->Validate();
}
CStdString DomSerializer::XMLStringToLocal(const XMLCh* const toTranscode)
{
char* szResult = XMLString::transcode(toTranscode);
CStdString result = szResult;
XMLString::release(&szResult);
return result;
}
DOMNode* DomSerializer::FindElementByName(DOMNode *node, CStdString name)
{
DOMNode *child = node->getFirstChild();
while(child)
{
if (XMLStringToLocal(child->getNodeName()) == name && child->getNodeType() == DOMNode::ELEMENT_NODE)
{
return child;
}
child = child->getNextSibling();
}
return NULL;
}
CStdString DomSerializer::DomNodeToString(DOMNode* node)
{
CStdString output;
DOMImplementation *impl = DOMImplementationRegistry::getDOMImplementation(XStr("LS").unicodeForm());
DOMWriter *theSerializer = ((DOMImplementationLS*)impl)->createDOMWriter();
// set user specified output encoding
//theSerializer->setEncoding(gOutputEncoding);
theSerializer->setFeature(XStr("format-pretty-print").unicodeForm(), true);
XMLFormatTarget *myFormTarget;
myFormTarget = new MemBufFormatTarget ();
theSerializer->writeNode(myFormTarget, *node);
output = (char *)((MemBufFormatTarget*)myFormTarget)->getRawBuffer();
// Clean up
delete theSerializer;
//
// Filter, formatTarget and error handler
// are NOT owned by the serializer.
delete myFormTarget;
return output;
}
|
