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KIO

predicateproperties.cpp

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00001 /* This file is part of the KDE libraries
00002 
00003    Copyright (c) 2007 Jos van den Oever <jos@vandenoever.info>
00004 
00005    This library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Library General Public
00007    License (LGPL) as published by the Free Software Foundation; either
00008    version 2 of the License, or (at your option) any later version.
00009 
00010    This library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Library General Public License for more details.
00014 
00015    You should have received a copy of the GNU Library General Public License
00016    along with this library; see the file COPYING.LIB.  If not, write to
00017    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018    Boston, MA 02110-1301, USA.
00019 */
00020 #include "kfilemetainfo_p.h"
00021 #include "kglobal.h"
00022 #include <strigi/streamanalyzer.h>
00023 #include <strigi/analysisresult.h>
00024 #include <strigi/analyzerconfiguration.h>
00025 #include <QDebug>
00026 using namespace Strigi;
00027 using namespace std;
00028 
00029 class PredicateProperties::Private : public QSharedData {
00030 public:
00031     static const QString nullString;
00032     static const QStringList nullStringList;
00033     static const PredicateProperties nullPP;
00034     PredicateProperties parent;
00035     QString key;
00036     QString name;
00037     QVariant::Type type;
00038     uint attributes;
00039 };
00040 const QString PredicateProperties::Private::nullString;
00041 const QStringList PredicateProperties::Private::nullStringList;
00042 const PredicateProperties PredicateProperties::Private::nullPP;
00043 
00044 PredicateProperties::PredicateProperties(const QString& predicate) {
00045     if (!predicate.isEmpty()) {
00046         p = new Private();
00047         p->key = predicate;
00048     }
00049 }
00050 PredicateProperties::PredicateProperties(const PredicateProperties& pp)
00051         :p(pp.p) {
00052 }
00053 PredicateProperties::~PredicateProperties() {
00054 }
00055 const PredicateProperties&
00056 PredicateProperties::operator=(const PredicateProperties& pp) {
00057     p = pp.p;
00058     return pp;
00059 }
00060 const QString&
00061 PredicateProperties::name() const {
00062     if (p == 0) return Private::nullString;
00063     return (p->name.isEmpty()) ?p->key :p->name;
00064 }
00065 
00066 const QStringList&
00067 PredicateProperties::suggestedValues() const {
00068     return Private::nullStringList;
00069 }
00070 
00071 uint
00072 PredicateProperties::minCardinality() const {
00073     return 0;
00074 }
00075 
00076 uint
00077 PredicateProperties::maxCardinality() const {
00078     return 0;
00079 }
00080 
00081 uint
00082 PredicateProperties::attributes() const {
00083     return (p) ?p->attributes :0;
00084 }
00085 QVariant::Type
00086 PredicateProperties::type() const {
00087     return (p) ?p->type :QVariant::Invalid;
00088 }
00089 QValidator*
00090 PredicateProperties::createValidator() const {
00091     return 0;
00092 }
00093 const PredicateProperties&
00094 PredicateProperties::parent() const {
00095     return (p) ?p->parent :Private::nullPP;
00096 }
00097 bool
00098 PredicateProperties::isValid() const {
00099     return p;
00100 }
00101 
00103 
00104 K_GLOBAL_STATIC(PredicatePropertyProvider, staticPredicatePropertyProvider)
00105 
00106 PredicatePropertyProvider*
00107 PredicatePropertyProvider::self() {
00108     return staticPredicatePropertyProvider;
00109 }
00110 PredicateProperties
00111 PredicatePropertyProvider::getPredicateProperties(const QString& key) {
00112     PredicateProperties p(key);
00113     return p;
00114 }
00115 
00116 class ShallowAnalysisConfiguration : public Strigi::AnalyzerConfiguration { 
00122      int64_t maximalStreamReadLength(const Strigi::AnalysisResult& ar) { 
00123          // 64k should be enough 
00124          return (ar.depth() == 0) ?65536 :0; 
00125      } 
00126 }; 
00127 
00128 class PredicatePropertyProvider::Private {
00129 public:
00130     ShallowAnalysisConfiguration config;
00131     StreamAnalyzer indexer;
00132     Private() :indexer(config) {}
00133 };
00134 PredicatePropertyProvider::PredicatePropertyProvider() {
00135     p = new PredicatePropertyProvider::Private();
00136 }
00137 PredicatePropertyProvider::~PredicatePropertyProvider() {
00138     delete p;
00139 }
00140 StreamAnalyzer&
00141 PredicatePropertyProvider::indexer() {
00142     return p->indexer;
00143 }

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