/[svn]/vendor/pxys2-2.0.0/pxyscand/src/PXXMLXPathLoaderImp.cc
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Contents of /vendor/pxys2-2.0.0/pxyscand/src/PXXMLXPathLoaderImp.cc

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Revision 3252 - (show annotations)
Wed Apr 2 20:41:43 2014 UTC (8 years, 3 months ago) by michael
File MIME type: text/x-c++src
File size: 3551 byte(s)
- Imported pxys2-2.0.0

1 /* Copyright (C) 2003 Stephane Thiell
2 *
3 * This file is part of pxyscand (from pxys)
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 *
19 */
20 #define RCSID "$Id: PXXMLXPathLoaderImp.cc,v 1.2 2004/01/02 00:33:03 mbuna Exp $"
21
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25
26 #include "PXXMLXPathLoaderImp.h"
27
28 #include <sys/types.h>
29 #include <sys/socket.h>
30 #include <netinet/in.h>
31 #include <arpa/inet.h>
32
33 PXXMLXPathLoaderImp::PXXMLXPathLoaderImp(const char *inFile)
34 {
35 mDoc = xmlParseFile(inFile);
36 if (mDoc == NULL)
37 PXXMLException::Throw("XML document parsing failed");
38
39 mCx = xmlXPathNewContext(mDoc);
40 }
41
42 PXXMLXPathLoaderImp::~PXXMLXPathLoaderImp()
43 {
44 xmlXPathFreeContext(mCx);
45 }
46
47 xmlXPathObjectPtr
48 PXXMLXPathLoaderImp::Eval(const char *xpath)
49 {
50 xmlXPathObjectPtr result;
51 result = xmlXPathEvalExpression((xmlChar *)xpath, mCx);
52
53 if (result && xmlXPathNodeSetIsEmpty(result->nodesetval))
54 {
55 xmlXPathFreeObject(result);
56 return NULL;
57 }
58 return result;
59 }
60
61 xmlXPathObjectPtr
62 PXXMLXPathLoaderImp::EvalUnique(const char *xpath)
63 {
64 xmlXPathObjectPtr o = this->Eval(xpath);
65
66 if (!o || !o->nodesetval->nodeNr)
67 PXXMLException::Throw("Missing parameter", xpath);
68 if (o->nodesetval->nodeNr > 1)
69 PXXMLException::Throw("Duplicate parameter", xpath);
70
71 return o;
72 }
73
74 void
75 PXXMLXPathLoaderImp::GetAddress(const char *xpath, int idx, int mincnt,
76 const char *debugpath, struct in_addr *outAddr)
77 {
78 xmlChar *str;
79
80 if (!(str = CopyString(xpath, idx, mincnt)))
81 outAddr->s_addr = INADDR_ANY;
82 else
83 {
84 int res = inet_pton(AF_INET, (char *)str, outAddr);
85 xmlFree(str);
86 if (res == -1)
87 PXXMLException::Throw("Bad IP address", debugpath);
88 }
89 }
90
91 int
92 PXXMLXPathLoaderImp::GetInteger(const char *xpath, int idx, int mincnt)
93 {
94 int result;
95 xmlChar *s;
96
97 if ((s = this->CopyString(xpath, idx, mincnt)) != NULL)
98 {
99 result = atoi((char *)s);
100 xmlFree(s);
101 }
102 else
103 result = 0;
104 return result;
105 }
106
107 xmlChar *
108 PXXMLXPathLoaderImp::CopyString(const char *xpath, int idx, int mincnt)
109 {
110 xmlXPathObjectPtr result;
111 xmlNodePtr node;
112 xmlChar *s;
113
114 result = this->Eval(xpath);
115 if (!result || !result->nodesetval->nodeNr)
116 {
117 if (result)
118 xmlXPathFreeObject(result);
119 if (mincnt > 0)
120 PXXMLException::Throw("Missing parameter", xpath);
121 return NULL;
122 }
123 if (idx == 0 && mincnt > 0 && result->nodesetval->nodeNr > mincnt)
124 PXXMLException::Throw("Duplicate parameter", xpath);
125
126 if (!(node = result->nodesetval->nodeTab[idx]->xmlChildrenNode))
127 PXXMLException::Throw("Internal error (PXXMLXPathLoaderImp::CopyString)",
128 xpath);
129 s = xmlNodeListGetString(mDoc, node, 1);
130 xmlXPathFreeObject(result);
131 if (!s && mincnt > 0)
132 PXXMLException::Throw("Empty parameter", xpath);
133 return s;
134 }
135

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