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/* This file is part of Strigi Desktop Search
*
* Copyright (C) 2007 Jos van den Oever <jos@vandenoever.info>
*
* 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 "eventthroughanalyzer.h"
#include <strigi/streamsaxanalyzer.h>
#include <strigi/streameventanalyzer.h>
#include "saxeventanalyzer.h"
#include "lineeventanalyzer.h"
#include <strigi/streamlineanalyzer.h>
#include <iostream>
using namespace std;
using namespace Strigi;
EventThroughAnalyzer::~EventThroughAnalyzer() {
if (datastream) {
delete datastream;
}
vector<StreamEventAnalyzer*>::iterator e;
for (e = event.begin(); e != event.end(); ++e) {
delete *e;
}
}
void
EventThroughAnalyzer::setIndexable(AnalysisResult* r) {
result = r;
}
InputStream*
EventThroughAnalyzer::connectInputStream(InputStream* in) {
if (!in) return in;
if (datastream) {
delete datastream;
datastream = 0;
}
if (event.size()) {
datastream = new DataEventInputStream(in, *this);
ready = false;
vector<StreamEventAnalyzer*>::iterator i;
for (i = event.begin(); i != event.end(); ++i) {
(*i)->startAnalysis(result);
}
}
return (datastream) ?datastream :in;
}
bool
EventThroughAnalyzer::isReadyWithStream() {
return ready;
}
bool
EventThroughAnalyzer::handleData(const char* data, uint32_t size) {
if (ready) return false;
vector<StreamEventAnalyzer*>::iterator i;
bool more = false;
for (i = event.begin(); i != event.end(); ++i) {
(*i)->handleData(data, size);
more = more || !(*i)->isReadyWithStream();
//if (!(*i)->isReadyWithStream()) {
// cerr << "hungry analyzer: " << (*i)->name() << endl;
//}
}
ready = !more;
return more;
}
void
EventThroughAnalyzer::handleEnd() {
vector<StreamEventAnalyzer*>::iterator i;
for (i = event.begin(); i != event.end(); ++i) {
(*i)->endAnalysis(datastream->status() == Eof);
}
}
StreamThroughAnalyzer*
EventThroughAnalyzerFactory::newInstance() const {
vector<StreamEventAnalyzer*> event;
vector<StreamEventAnalyzerFactory*>::iterator ea;
for (ea = eventfactories.begin(); ea != eventfactories.end(); ++ea) {
event.push_back((*ea)->newInstance());
}
vector<StreamSaxAnalyzer*> sax;
vector<StreamSaxAnalyzerFactory*>::iterator sa;
for (sa = saxfactories.begin(); sa != saxfactories.end(); ++sa) {
sax.push_back((*sa)->newInstance());
}
event.push_back(new SaxEventAnalyzer(sax));
vector<StreamLineAnalyzer*> line;
vector<StreamLineAnalyzerFactory*>::iterator la;
for (la = linefactories.begin(); la != linefactories.end(); ++la) {
line.push_back((*la)->newInstance());
}
event.push_back(new LineEventAnalyzer(line));
StreamThroughAnalyzer* sta = new EventThroughAnalyzer(event);
return sta;
}
void
EventThroughAnalyzerFactory::registerFields(Strigi::FieldRegister& reg) {
vector<StreamEventAnalyzerFactory*>::iterator ea;
for (ea = eventfactories.begin(); ea != eventfactories.end(); ++ea) {
(*ea)->registerFields(reg);
}
vector<StreamSaxAnalyzerFactory*>::iterator sa;
for (sa = saxfactories.begin(); sa != saxfactories.end(); ++sa) {
(*sa)->registerFields(reg);
}
vector<StreamLineAnalyzerFactory*>::iterator la;
for (la = linefactories.begin(); la != linefactories.end(); ++la) {
(*la)->registerFields(reg);
}
}
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