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/***************************************************************************
copyright : (C) 2003-2006 by Robby Stephenson
email : robby@periapsis.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of version 2 of the GNU General Public License as *
* published by the Free Software Foundation; *
* *
***************************************************************************/
#include "filter.h"
#include "entry.h"
#include "tellico_debug.h"
#include <qregexp.h>
using Tellico::Filter;
using Tellico::FilterRule;
FilterRule::FilterRule() : m_function(FuncEquals) {
}
FilterRule::FilterRule(const QString& fieldName_, const QString& pattern_, Function func_)
: m_fieldName(fieldName_), m_function(func_), m_pattern(pattern_) {
}
bool FilterRule::matches(Data::EntryPtr entry_) const {
switch (m_function) {
case FuncEquals:
return equals(entry_);
case FuncNotEquals:
return !equals(entry_);
case FuncContains:
return contains(entry_);
case FuncNotContains:
return !contains(entry_);
case FuncRegExp:
return matchesRegExp(entry_);
case FuncNotRegExp:
return !matchesRegExp(entry_);
default:
kdWarning() << "FilterRule::matches() - invalid function!" << endl;
break;
}
return true;
}
bool FilterRule::equals(Data::EntryPtr entry_) const {
// empty field name means search all
if(m_fieldName.isEmpty()) {
QStringList list = entry_->fieldValues() + entry_->formattedFieldValues();
for(QStringList::ConstIterator it = list.begin(); it != list.end(); ++it) {
if(QString::compare((*it).lower(), m_pattern.lower()) == 0) {
return true;
}
}
} else {
return QString::compare(entry_->field(m_fieldName).lower(), m_pattern.lower()) == 0
|| QString::compare(entry_->formattedField(m_fieldName).lower(), m_pattern.lower()) == 0;
}
return false;
}
bool FilterRule::contains(Data::EntryPtr entry_) const {
// empty field name means search all
if(m_fieldName.isEmpty()) {
QStringList list = entry_->fieldValues() + entry_->formattedFieldValues();
// match is true if any strings match
for(QStringList::ConstIterator it = list.begin(); it != list.end(); ++it) {
if((*it).find(m_pattern, 0, false) >= 0) {
return true;
}
}
} else {
return entry_->field(m_fieldName).find(m_pattern, 0, false) >= 0
|| entry_->formattedField(m_fieldName).find(m_pattern, 0, false) >= 0;
}
return false;
}
bool FilterRule::matchesRegExp(Data::EntryPtr entry_) const {
QRegExp rx(m_pattern, false);
// empty field name means search all
if(m_fieldName.isEmpty()) {
QStringList list = entry_->fieldValues() + entry_->formattedFieldValues();
for(QStringList::ConstIterator it = list.begin(); it != list.end(); ++it) {
if((*it).find(rx) >= 0) {
return true;
break;
}
}
} else {
return entry_->field(m_fieldName).find(rx) >= 0
|| entry_->formattedField(m_fieldName).find(rx) >= 0;
}
return false;
}
/*******************************************************/
Filter::Filter(const Filter& other_) : QPtrList<FilterRule>(), KShared(), m_op(other_.op()), m_name(other_.name()) {
for(QPtrListIterator<FilterRule> it(other_); it.current(); ++it) {
append(new FilterRule(*it.current()));
}
setAutoDelete(true);
}
bool Filter::matches(Data::EntryPtr entry_) const {
if(isEmpty()) {
return true;
}
bool match = false;
for(QPtrListIterator<FilterRule> it(*this); it.current(); ++it) {
if(it.current()->matches(entry_)) {
if(m_op == Filter::MatchAny) {
return true;
} else {
match = true;
}
} else {
if(m_op == Filter::MatchAll) {
return false;
}
}
}
return match;
}
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