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/* 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 "xpmlineanalyzer.h"
#include <strigi/strigiconfig.h>
#include <strigi/analysisresult.h>
#include <strigi/fieldtypes.h>
#include <cstring>
using namespace std;
using namespace Strigi;
// AnalyzerFactory
void
XpmLineAnalyzerFactory::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");
numberOfColorsField = reg.registerField(
"http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#colorCount");
typeField = reg.typeField;
addField(widthField);
addField(heightField);
addField(numberOfColorsField);
addField(typeField);
}
// Analyzer
void
XpmLineAnalyzer::startAnalysis(AnalysisResult* i) {
analysisResult = i;
ready = false;
line = 0;
}
void
XpmLineAnalyzer::handleLine(const char* data, uint32_t length) {
if (ready) return;
++line;
if (line == 1 && (length < 9 || strncmp(data, "/* XPM */", 9))) {
// this is not an xpm file
ready = true;
return;
} else if (length == 0 || data[0] != '"') {
return;
}
uint32_t i = 0;
// we have found the line which should contain the information we want
ready = true;
// read the width
uint32_t propertyValue = 0;
i++;
while (i < length && isdigit(data[i])) {
propertyValue = (propertyValue * 10) + data[i] - '0';
i++;
}
if (i >= length || data[i] != ' ')
return;
analysisResult->addValue(factory->widthField, propertyValue);
// read the height
propertyValue = 0;
i++;
while (i < length && isdigit(data[i])) {
propertyValue = (propertyValue * 10) + data[i] - '0';
i++;
}
if (i >= length || data[i] != ' ')
return;
analysisResult->addValue(factory->heightField, propertyValue);
// read the number of colors
propertyValue = 0;
i++;
while (i < length && isdigit(data[i])) {
propertyValue = (propertyValue * 10) + data[i] - '0';
i++;
}
if (i >= length || data[i] != ' ')
return;
analysisResult->addValue(factory->numberOfColorsField, propertyValue);
analysisResult->addValue(factory->typeField, "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#RasterImage");
}
bool
XpmLineAnalyzer::isReadyWithStream() {
return ready;
}
//Factory
class Factory : public AnalyzerFactoryFactory {
public:
list<StreamLineAnalyzerFactory*>
streamLineAnalyzerFactories() const {
list<StreamLineAnalyzerFactory*> af;
af.push_back(new XpmLineAnalyzerFactory());
return af;
}
};
STRIGI_ANALYZER_FACTORY(Factory)
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