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
|
/* This file is part of Strigi Desktop Search
*
* Copyright (C) 2007 Vincent Ricard <magic@magicninja.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "xbmthroughanalyzer.h"
#include <strigi/strigiconfig.h>
#include <strigi/analysisresult.h>
#include <strigi/fieldtypes.h>
#include <cstring>
using namespace std;
using namespace Strigi;
// AnalyzerFactory
void
XbmThroughAnalyzerFactory::registerFields(FieldRegister& reg) {
widthField = reg.registerField(
"http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#width");
heightField = reg.registerField(
"http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#height");
xHotField = reg.registerField(
"http://strigi.sf.net/ontologies/0.9#hotSpotX");
yHotField = reg.registerField(
"http://strigi.sf.net/ontologies/0.9#hotSpotY");
typeField = reg.typeField;
addField(widthField);
addField(heightField);
addField(xHotField);
addField(yHotField);
addField(typeField);
}
// Analyzer
void
XbmThroughAnalyzer::setIndexable(AnalysisResult* i) {
analysisResult = i;
}
/**
* @returns the next offset, @c -1 if an error occurred.
*/
int32_t
processLine(const char* buf, int32_t bufSize, int32_t offset, int32_t& data) {
// check we have a '#define'
if (bufSize < offset+7 || strncmp(buf + offset, "#define", 7)) {
return -1;
}
// skip spaces
int32_t i = offset + 7;
while (i < bufSize && (buf[i] == ' ' || buf[i] == '\t')) {
i++;
}
if (i >= bufSize)
return -1;
// skip the name of the define (should be /.*_width/ or /.*_height/ or /.*_x_hot/ or /.*_y_hot/)
while (i < bufSize && !(buf[i] == ' ' || buf[i] == '\t')) {
i++;
}
if (i >= bufSize)
return -1;
// skip spaces
while (i < bufSize && (buf[i] == ' ' || buf[i] == '\t')) {
i++;
}
// check if we have a valid data
if (i >= bufSize || !isdigit(buf[i]))
return -1;
// read the data
data = 0;
while (i < bufSize && isdigit(buf[i])) {
data = (data * 10) + buf[i] - '0';
i++;
}
if (i >= bufSize)
return -1;
// skip eol
while (i < bufSize && (buf[i] == '\n' || buf[i] == '\r')) {
i++;
}
return i;
}
InputStream*
XbmThroughAnalyzer::connectInputStream(InputStream* in) {
if (in == 0) return in;
const int32_t nreq = 16;
int32_t nextOffset = 0;
const char* buf;
int32_t nread = in->read(buf, nreq, -1);
in->reset(0);
if (nread < nreq) {
return in;
}
int32_t width;
nextOffset = processLine(buf, nread, nextOffset, width);
if (nextOffset == -1) {
return in;
}
int32_t height;
nextOffset = processLine(buf, nread, nextOffset, height);
if (nextOffset == -1) {
return in;
}
analysisResult->addValue(factory->widthField, width);
analysisResult->addValue(factory->heightField, height);
// these both fields are optional
int32_t xHot;
nextOffset = processLine(buf, nread, nextOffset, xHot);
if (nextOffset != -1) {
int32_t yHot;
nextOffset = processLine(buf, nread, nextOffset, yHot);
if (nextOffset != -1) {
// FIXME: either get rid of this or replace with NIE equivalent
// analysisResult->addValue(factory->xHotField, xHot);
// analysisResult->addValue(factory->yHotField, yHot);
}
}
analysisResult->addValue(factory->typeField, "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#Cursor");
return in;
}
bool
XbmThroughAnalyzer::isReadyWithStream() {
return true;
}
//Factory
class Factory : public AnalyzerFactoryFactory {
public:
list<StreamThroughAnalyzerFactory*>
streamThroughAnalyzerFactories() const {
list<StreamThroughAnalyzerFactory*> af;
af.push_back(new XbmThroughAnalyzerFactory());
return af;
}
};
STRIGI_ANALYZER_FACTORY(Factory)
|
