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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* queryparser.cc
*
* Tue May 6 17:02:37 CEST 2008
* Copyright 2008 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro is free software; 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.
*
* Pracro 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.
*
* You should have received a copy of the GNU General Public License
* along with Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "queryparser.h"
QueryParser::QueryParser(std::string document)
{
this->document = document;
this->timestamp = 0;
// Make sure we always contain a valid xml document.
if(this->document == "") this->document = "<xml></xml>";
p = 0;
stack.push_back(&result);
}
void QueryParser::startTag(std::string name, std::map< std::string, std::string> attributes)
{
if(name == "results") {
// What to do here!?
}
if(name == "result") {
this->timestamp = atol(attributes["timestamp"].c_str());
QueryResult q;
q.timestamp = this->timestamp;
stack.back()->groups[attributes["class"]] = q;
stack.push_back(&stack.back()->groups[attributes["class"]]);
}
if(name == "group") {
QueryResult q;
q.timestamp = this->timestamp;
stack.back()->groups[attributes["name"]] = q;
stack.push_back(&stack.back()->groups[attributes["name"]]);
}
if(name == "value") {
stack.back()->values[attributes["name"]] = attributes["value"];
}
}
void QueryParser::endTag(std::string name)
{
if(name == "group") stack.pop_back();
}
// FIXME: This is *not* the optimal way to do this.
int QueryParser::readData(char *data, size_t size)
{
size_t len = document.size() - p < size ? document.size() - p : size;
strncpy(data, document.c_str() + p, len);
p += len;
return len;
}
void QueryParser::parseError(char *buf, size_t len, std::string error, int lineno)
{
fprintf(stderr, "QueryParser error at line %d: %s\n", lineno, error.c_str());
fprintf(stderr, "\tBuffer %u bytes: [", len);
if(fwrite(buf, len, 1, stderr) != len) {}
fprintf(stderr, "]\n");
fflush(stderr);
}
#ifdef TEST_QUERYPARSER
#include "queryhandler.h"
static std::string loadresultstring(QueryResult &res, std::string group = "")
{
std::string s;
std::map< std::string, std::string >::iterator v = res.values.begin();
while(v != res.values.end()) {
s += group + (*v).first + " = \"" + (*v).second + "\"\n";
v++;
}
std::map< std::string, QueryResult >::iterator g = res.groups.begin();
while(g != res.groups.end()) {
s += group + (*g).first + " = {}\n";
s += loadresultstring((*g).second, group + (*g).first + ".");
g++;
}
return s;
}
int main()
{
TCPSocket s;
s.connect("localhost", 11108);
QueryHandler qh(&s, "2003791613");
Query q1;
q1.attributes["device_id"] = "lensmeter";
q1.attributes["device_type"] = "lensmeter";
std::string res = qh.exec();
printf("%s\n", res.c_str());
QueryParser e(res);
e.parse();
printf("%s\n", loadresultstring(e.result).c_str());
return 0;
}
#endif
|
