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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim:expandtab:autoindent:tabstop=4:shiftwidth=4:filetype=c:cindent:textwidth=0:
*
* Copyright (C) 2005 Dell Inc.
* by Michael Brown <Michael_E_Brown@dell.com>
* Licensed under the Open Software License version 2.1
*
* Alternatively, you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*/
#define LIBSMBIOS_SOURCE
#include "XmlUtils.h"
using namespace std;
#if defined(DEBUG_XMLUTILS)
#include <iostream>
# define DCOUT(line) do { cout << line; } while(0)
# define DCERR(line) do { cerr << line; } while(0)
#else
# define DCOUT(line) do {} while(0)
# define DCERR(line) do {} while(0)
#endif
namespace xmlutils
{
//
// NON-MEMBER FUNCTIONS
//
DOMBuilder *getParser() { return 0; }
// backwards compat for libxml < 2.6 without xmlReadFile()
void suppressLibxmlWarnings (void *ctx, const char *msg, ...)
{
UNREFERENCED_PARAMETER(ctx);
UNREFERENCED_PARAMETER(msg);
}
// the best. use this when possible.
string safeGetAttribute( const xmlNode *node, const string &attr )
{
string retval("");
xmlChar *text = xmlGetProp(const_cast<xmlNode *>(node), reinterpret_cast<const xmlChar *>(attr.c_str()));
if (text)
retval = reinterpret_cast<const char *>(text);
xmlFree(text);
return retval;
}
//
// Finds a "STRUCTURE" element with the specified attribute and returns
// a pointer to it.
//
xmlNodePtr findElement( xmlNodePtr root, const string elementName, const string &attribute, const string &value )
{
xmlNodePtr elem = 0;
DCERR("findElement( root, " << "\"" << elementName << "\", \"" << attribute << "\", \"" << value << "\");" << endl);
// If we don't have a ref to XML file, we cannot find this info
if( ! root )
throw NotFoundImpl("no root element ref to xml file, cannot findElement");
xmlNodePtr cur_node = NULL;
for (cur_node = root; cur_node; cur_node = cur_node->next) {
DCERR("\tnode type: Element, name: " << cur_node->name << endl);
if (cur_node->type == XML_ELEMENT_NODE) {
if (!xmlStrcmp(cur_node->name, reinterpret_cast<const xmlChar *>(elementName.c_str())))
{
string strAttrValue = safeGetAttribute( cur_node, attribute );
DCERR("\tELEMENT attribute ("<< attribute <<") value: " << "\"" << strAttrValue << "\"" << endl);
if( (strAttrValue == value) || (attribute == "") )
{
DCERR("MATCH!" << endl);
elem = cur_node;
goto out;
}
}
}
try
{
DCERR("\tsearching child: " << cur_node->name << endl);
elem = findElement(cur_node->children, elementName, attribute, value);
goto out;
}
catch (NotFound)
{
// not an error yet
DCERR("\tDid not find match in child: " << cur_node->name << endl);
}
}
out:
if (!elem)
{
DCERR("Throwing not found error!"<< endl);
throw NotFoundImpl("could not find element.");
}
return elem;
}
//
// Finds a "STRUCTURE" element with the specified attribute and returns
// a pointer to it.
//
xmlNodePtr findElement( xmlNodePtr root, const string elementName, const string &attribute, long value)
{
xmlNodePtr elem = 0;
DCERR("findElement( root, " << "\"" << elementName << "\", \"" << attribute << "\", \"" << value << "\");" << endl);
// If we don't have a ref to XML file, we cannot find this info
if( ! root )
throw NotFoundImpl("no root element ref to xml file, cannot findElement");
xmlNodePtr cur_node = NULL;
for (cur_node = root; cur_node; cur_node = cur_node->next) {
DCERR("\tnode type: Element, name: " << cur_node->name << endl);
if (cur_node->type == XML_ELEMENT_NODE) {
if (!xmlStrcmp(cur_node->name, reinterpret_cast<const xmlChar *>(elementName.c_str())))
{
// printf("node type: Element, name: %s\n", cur_node->name);
string strAttrValue = safeGetAttribute( cur_node, attribute );
char *endptr = 0;
long attrValue = strtol(strAttrValue.c_str(), &endptr, 0);
DCERR("\tELEMENT attribute ("<< attribute <<") value: " << "\"" << strAttrValue << "\"" << endl);
if(endptr != strAttrValue.c_str())
if( (attrValue == value) || (attribute == "") )
{
DCERR("MATCH!" << endl);
elem = cur_node;
goto out;
}
}
}
try
{
DCERR("\tsearching child: " << cur_node->name << endl);
elem = findElement(cur_node->children, elementName, attribute, value);
goto out;
}
catch (NotFound) {} // not an error yet
}
out:
if (!elem)
{
DCERR("Throwing not found error!"<< endl);
throw NotFoundImpl("could not find element.");
}
return elem;
}
xmlNodePtr findElementWithNumericAttr( xmlNodePtr root, const string elementName, const string &attribute, long value)
{
return findElement(root, elementName, attribute, value);
}
string getNodeText( xmlNodePtr elem )
{
string retval = "";
xmlChar *text = 0;
text = xmlNodeGetContent(elem);
retval = reinterpret_cast<const char *>(text);
xmlFree(text);
return retval;
}
int getNumberFromXmlAttr( xmlNodePtr element, const string field, int base )
{
int tempNum = 0;
string tempStr = safeGetAttribute( element, field );
if(tempStr.length() != 0)
tempNum = strtol( tempStr.c_str(), 0, base);
return tempNum;
}
}
|
