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/* This file is part of Strigi Desktop Search, ported from code of:
* - Rolf Magnus <ramagnus@kde.org> (2003)
*
* Copyright (C) 2007 Flavio Castelli <flavio.castelli@gmail.com>
*
* 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 "sidthroughanalyzer.h"
#include <strigi/textutils.h>
#include <strigi/strigiconfig.h>
#include <strigi/analysisresult.h>
#include <strigi/fieldtypes.h>
#include "rdfnamespaces.h"
#include <cstring>
#include <iostream>
using namespace std;
using namespace Strigi;
// AnalyzerFactory
void
SidThroughAnalyzerFactory::registerFields(FieldRegister& reg) {
titleField = reg.registerField(
NIE"title");
artistField = reg.registerField(
NMM_DRAFT"performer");
trackNumberField = reg.registerField(
NMM_DRAFT"albumTrackCount");
versionField = reg.registerField(
NIE"version");
copyrightField = reg.registerField(
NIE"copyright");
addField(titleField);
addField(artistField);
addField(trackNumberField);
addField(versionField);
addField(copyrightField);
}
// Analyzer
void
SidThroughAnalyzer::setIndexable(AnalysisResult* i) {
analysisResult = i;
}
InputStream*
SidThroughAnalyzer::connectInputStream(InputStream* in) {
if( !in )
return in;
const char *c;
int version;
int num_songs;
int start_song;
string title;
string artist;
string copyright;
// read the beginning of the stream and make sure it looks ok
if (4 != in->read(c, 4, 4)) {
in->reset(0); // rewind to the start of the stream
return in;
}
uint32_t header1 = readLittleEndianUInt32(c);
if (strncmp((char*) &header1, "PSID", 4)) {
in->reset(0);
return in;
}
//read version
if (2 != in->read(c, 2, 2)) {
in->reset(0);
return in;
}
version = readBigEndianUInt16(c);
//jump to 0xE
if (8 != in->skip(8)) {
in->reset(0);
return in;
}
//read number of songs
if (2 != in->read(c, 2, 2)) {
in->reset(0);
return in;
}
num_songs = readBigEndianUInt16(c);
//start song
if (2 != in->read(c, 2, 2)) {
in->reset(0);
return in;
}
start_song = readBigEndianUInt16(c);
//jump to 0x16
if (4 != in->skip(4)) {
in->reset(0);
return in;
}
//title
if (32 != in->read(c, 32, 32)) {
in->reset(0);
return in;
}
title = c;
//artist
if (32 != in->read(c, 32, 32)) {
in->reset(0);
return in;
}
artist = c;
//copyright
if (32 != in->read(c, 32, 32)) {
in->reset(0);
return in;
}
copyright = c;
// read the data on the 1st icon
string artistUri = analysisResult->newAnonymousUri();
analysisResult->addValue(factory->artistField, artistUri);
analysisResult->addTriplet(artistUri,
RDF"type",
NCO"Contact");
analysisResult->addTriplet(artistUri,
NCO"fullname",
artist);
analysisResult->addValue( factory->titleField, title );
analysisResult->addValue( factory->copyrightField, copyright );
//analysisResult->addValue( factory->trackNumberField, num_songs ); //FIXME: either get rid of this or replace with NIE equivalent
analysisResult->addValue( factory->versionField, version );
in->reset(0); // rewind to the start of the stream
return in;
}
bool
SidThroughAnalyzer::isReadyWithStream() {
return true;
}
//Factory
class Factory : public AnalyzerFactoryFactory {
public:
list<StreamThroughAnalyzerFactory*>
streamThroughAnalyzerFactories() const {
list<StreamThroughAnalyzerFactory*> af;
af.push_back(new SidThroughAnalyzerFactory());
return af;
}
};
STRIGI_ANALYZER_FACTORY(Factory)
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