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kmail/kmsearchpattern.cpp

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/* -*- mode: C++; c-file-style: "gnu" -*-
kmsearchpattern.cpp
Author: Marc Mutz <Marc@Mutz.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "kmsearchpattern.h"
#include "filterlog.h"
using KMail::FilterLog;
#include "kmkernel.h"
#include <kpimutils/email.h>
#include <nie.h>
#include <nmo.h>
#include <nco.h>
#include <Nepomuk/Tag>
#include <Nepomuk/Query/Query>
#include <Nepomuk/Query/AndTerm>
#include <Nepomuk/Query/OrTerm>
#include <Nepomuk/Query/LiteralTerm>
#include <Nepomuk/Query/ResourceTerm>
#include <Nepomuk/Query/NegationTerm>
#include <Nepomuk/Query/ResourceTypeTerm>
#include <kglobal.h>
#include <klocale.h>
#include <kdebug.h>
#include <kconfig.h>
#include <kconfiggroup.h>
#include <kmime/kmime_message.h>
#include <kmime/kmime_util.h>
#include <akonadi/contact/contactsearchjob.h>
#include <QRegExp>
#include <QByteArray>
#include <Soprano/Vocabulary/NAO>
#include <Soprano/Vocabulary/RDF>
#include <assert.h>
static const char* funcConfigNames[] =
{ "contains", "contains-not", "equals", "not-equal", "regexp",
"not-regexp", "greater", "less-or-equal", "less", "greater-or-equal",
"is-in-addressbook", "is-not-in-addressbook", "is-in-category", "is-not-in-category",
"has-attachment", "has-no-attachment"};
static const int numFuncConfigNames = sizeof funcConfigNames / sizeof *funcConfigNames;
struct _statusNames {
const char* name;
MessageStatus status;
};
static struct _statusNames statusNames[] = {
{ "Important", MessageStatus::statusImportant() },
{ "New", MessageStatus::statusNew() },
{ "Unread", MessageStatus::statusNewAndUnread() },
{ "Read", MessageStatus::statusRead() },
{ "Old", MessageStatus::statusOld() },
{ "Deleted", MessageStatus::statusDeleted() },
{ "Replied", MessageStatus::statusReplied() },
{ "Forwarded", MessageStatus::statusForwarded() },
{ "Queued", MessageStatus::statusQueued() },
{ "Sent", MessageStatus::statusSent() },
{ "Watched", MessageStatus::statusWatched() },
{ "Ignored", MessageStatus::statusIgnored() },
{ "Action Item", MessageStatus::statusToAct() },
{ "Spam", MessageStatus::statusSpam() },
{ "Ham", MessageStatus::statusHam() },
{ "Has Attachment", MessageStatus::statusHasAttachment() }
};
static const int numStatusNames = sizeof statusNames / sizeof ( struct _statusNames );
//==================================================
//
// class KMSearchRule (was: KMFilterRule)
//
//==================================================
KMSearchRule::KMSearchRule( const QByteArray & field, Function func, const QString & contents )
: mField( field ),
mFunction( func ),
mContents( contents )
{
}
KMSearchRule::KMSearchRule( const KMSearchRule & other )
: mField( other.mField ),
mFunction( other.mFunction ),
mContents( other.mContents )
{
}
const KMSearchRule & KMSearchRule::operator=( const KMSearchRule & other ) {
if ( this == &other )
return *this;
mField = other.mField;
mFunction = other.mFunction;
mContents = other.mContents;
return *this;
}
KMSearchRule * KMSearchRule::createInstance( const QByteArray & field,
Function func,
const QString & contents )
{
KMSearchRule *ret = 0;
if (field == "<status>")
ret = new KMSearchRuleStatus( field, func, contents );
else if ( field == "<age in days>" || field == "<size>" )
ret = new KMSearchRuleNumerical( field, func, contents );
else
ret = new KMSearchRuleString( field, func, contents );
return ret;
}
KMSearchRule * KMSearchRule::createInstance( const QByteArray & field,
const char *func,
const QString & contents )
{
return ( createInstance( field, configValueToFunc( func ), contents ) );
}
KMSearchRule * KMSearchRule::createInstance( const KMSearchRule & other )
{
return ( createInstance( other.field(), other.function(), other.contents() ) );
}
KMSearchRule * KMSearchRule::createInstanceFromConfig( const KConfigGroup & config, int aIdx )
{
const char cIdx = char( int('A') + aIdx );
static const QString & field = KGlobal::staticQString( "field" );
static const QString & func = KGlobal::staticQString( "func" );
static const QString & contents = KGlobal::staticQString( "contents" );
const QByteArray &field2 = config.readEntry( field + cIdx, QString() ).toLatin1();
Function func2 = configValueToFunc( config.readEntry( func + cIdx, QString() ).toLatin1() );
const QString & contents2 = config.readEntry( contents + cIdx, QString() );
if ( field2 == "<To or Cc>" ) // backwards compat
return KMSearchRule::createInstance( "<recipients>", func2, contents2 );
else
return KMSearchRule::createInstance( field2, func2, contents2 );
}
KMSearchRule::Function KMSearchRule::configValueToFunc( const char * str ) {
if ( !str )
return FuncNone;
for ( int i = 0 ; i < numFuncConfigNames ; ++i )
if ( qstricmp( funcConfigNames[i], str ) == 0 ) return (Function)i;
return FuncNone;
}
QString KMSearchRule::functionToString( Function function )
{
if ( function != FuncNone )
return funcConfigNames[int( function )];
else
return "invalid";
}
void KMSearchRule::writeConfig( KConfigGroup & config, int aIdx ) const {
const char cIdx = char('A' + aIdx);
static const QString & field = KGlobal::staticQString( "field" );
static const QString & func = KGlobal::staticQString( "func" );
static const QString & contents = KGlobal::staticQString( "contents" );
config.writeEntry( field + cIdx, QString(mField) );
config.writeEntry( func + cIdx, functionToString( mFunction ) );
config.writeEntry( contents + cIdx, mContents );
}
const QString KMSearchRule::asString() const
{
QString result = "\"" + mField + "\" <";
result += functionToString( mFunction );
result += "> \"" + mContents + "\"";
return result;
}
Nepomuk::Query::ComparisonTerm::Comparator KMSearchRule::nepomukComparator() const
{
switch ( function() ) {
case KMSearchRule::FuncContains:
case KMSearchRule::FuncContainsNot:
return Nepomuk::Query::ComparisonTerm::Contains;
case KMSearchRule::FuncEquals:
case KMSearchRule::FuncNotEqual:
return Nepomuk::Query::ComparisonTerm::Equal;
case KMSearchRule::FuncIsGreater:
return Nepomuk::Query::ComparisonTerm::Greater;
case KMSearchRule::FuncIsGreaterOrEqual:
return Nepomuk::Query::ComparisonTerm::GreaterOrEqual;
case KMSearchRule::FuncIsLess:
return Nepomuk::Query::ComparisonTerm::Smaller;
case KMSearchRule::FuncIsLessOrEqual:
return Nepomuk::Query::ComparisonTerm::SmallerOrEqual;
case KMSearchRule::FuncRegExp:
case KMSearchRule::FuncNotRegExp:
return Nepomuk::Query::ComparisonTerm::Regexp;
default:
kDebug() << "Unhandled function type: " << function();
}
return Nepomuk::Query::ComparisonTerm::Equal;
}
void KMSearchRule::addAndNegateTerm(const Nepomuk::Query::Term& term, Nepomuk::Query::GroupTerm& termGroup) const
{
bool negate = false;
switch ( function() ) {
case KMSearchRule::FuncContainsNot:
case KMSearchRule::FuncNotEqual:
case KMSearchRule::FuncNotRegExp:
case KMSearchRule::FuncHasNoAttachment:
case KMSearchRule::FuncIsNotInCategory:
case KMSearchRule::FuncIsNotInAddressbook:
negate = true;
default:
break;
}
if ( negate ) {
Nepomuk::Query::NegationTerm neg;
neg.setSubTerm( term );
termGroup.addSubTerm( neg );
} else {
termGroup.addSubTerm( term );
}
}
//==================================================
//
// class KMSearchRuleString
//
//==================================================
KMSearchRuleString::KMSearchRuleString( const QByteArray & field,
Function func, const QString & contents )
: KMSearchRule(field, func, contents)
{
}
KMSearchRuleString::KMSearchRuleString( const KMSearchRuleString & other )
: KMSearchRule( other )
{
}
const KMSearchRuleString & KMSearchRuleString::operator=( const KMSearchRuleString & other )
{
if ( this == &other )
return *this;
setField( other.field() );
setFunction( other.function() );
setContents( other.contents() );
return *this;
}
KMSearchRuleString::~KMSearchRuleString()
{
}
bool KMSearchRuleString::isEmpty() const
{
return field().trimmed().isEmpty() || contents().isEmpty();
}
bool KMSearchRuleString::requiresBody() const
{
if ( field().startsWith( '<' ) || field() == "<recipients>" )
return false;
return true;
}
bool KMSearchRuleString::matches( const Akonadi::Item &item ) const
{
const KMime::Message::Ptr msg = item.payload<KMime::Message::Ptr>();
assert( msg.get() );
if ( isEmpty() )
return false;
QString msgContents;
// Show the value used to compare the rules against in the log.
// Overwrite the value for complete messages and all headers!
bool logContents = true;
if( field() == "<message>" ) {
msgContents = msg->encodedContent();
logContents = false;
} else if ( field() == "<body>" ) {
msgContents = msg->body();
logContents = false;
} else if ( field() == "<any header>" ) {
msgContents = msg->head();
logContents = false;
} else if ( field() == "<recipients>" ) {
// (mmutz 2001-11-05) hack to fix "<recipients> !contains foo" to
// meet user's expectations. See FAQ entry in KDE 2.2.2's KMail
// handbook
if ( function() == FuncEquals || function() == FuncNotEqual )
// do we need to treat this case specially? Ie.: What shall
// "equality" mean for recipients.
return matchesInternal( msg->to()->asUnicodeString() )
|| matchesInternal( msg->cc()->asUnicodeString() )
|| matchesInternal( msg->bcc()->asUnicodeString() ) ;
// sometimes messages have multiple Cc headers //TODO: check if this can happen for KMime!
// || matchesInternal( msg->cc() )
msgContents = msg->to()->asUnicodeString();
#if 0 //TODO port to akonadi - check if this is needed for KMime.
if ( !msg->headerField("Cc").compare( msg->cc() ) )
msgContents += ", " + msg->headerField("Cc");
else
msgContents += ", " + msg->cc();
#else
kDebug() << "AKONADI PORT: Disabled code in " << Q_FUNC_INFO;
#endif
msgContents += ", " + msg->bcc()->asUnicodeString();
} else if ( field() == "<tag>" ) {
#if 0 //TODO port to akonadi
if ( msg->tagList() ) {
foreach ( const QString &label, * msg->tagList() ) {
const KMime::MessageTagDescription * tagDesc = kmkernel->msgTagMgr()->find( label );
if ( tagDesc )
msgContents += tagDesc->name();
}
logContents = false;
}
#else
kDebug() << "AKONADI PORT: Disabled code in " << Q_FUNC_INFO;
#endif
} else
{
// make sure to treat messages with multiple header lines for
// the same header correctly
msgContents = msg->headerByType( field() ) ? msg->headerByType( field() )->asUnicodeString() : "";
}
if ( function() == FuncIsInAddressbook ||
function() == FuncIsNotInAddressbook ) {
// I think only the "from"-field makes sense.
msgContents = msg->headerByType( field() ) ? msg->headerByType( field() )->asUnicodeString() : "";
if ( msgContents.isEmpty() )
return ( function() == FuncIsInAddressbook ) ? false : true;
}
// these two functions need the kmmessage therefore they don't call matchesInternal
if ( function() == FuncHasAttachment )
return ( msg->attachments().size() > 0 );
if ( function() == FuncHasNoAttachment )
return ( msg->attachments().size() == 0 );
bool rc = matchesInternal( msgContents );
if ( FilterLog::instance()->isLogging() ) {
QString msg = ( rc ? "<font color=#00FF00>1 = </font>"
: "<font color=#FF0000>0 = </font>" );
msg += FilterLog::recode( asString() );
// only log headers bcause messages and bodies can be pretty large
if ( logContents )
msg += " (<i>" + FilterLog::recode( msgContents ) + "</i>)";
FilterLog::instance()->add( msg, FilterLog::ruleResult );
}
return rc;
}
void KMSearchRuleString::addPersonTerm(Nepomuk::Query::GroupTerm& groupTerm, const QUrl& field) const
{
// TODO split contents() into address/name and adapt the query accordingly
const Nepomuk::Query::ComparisonTerm valueTerm( Vocabulary::NCO::emailAddress(), Nepomuk::Query::LiteralTerm( contents() ), nepomukComparator() );
const Nepomuk::Query::ComparisonTerm addressTerm( Vocabulary::NCO::hasEmailAddress(), valueTerm, Nepomuk::Query::ComparisonTerm::Equal );
const Nepomuk::Query::ComparisonTerm personTerm( field, addressTerm, Nepomuk::Query::ComparisonTerm::Equal );
groupTerm.addSubTerm( personTerm );
}
void KMSearchRuleString::addQueryTerms(Nepomuk::Query::GroupTerm& groupTerm) const
{
Nepomuk::Query::OrTerm termGroup;
if ( field().toLower() == "to" || field() == "<recipients>" || field() == "<any header>" || field() == "<message>" )
addPersonTerm( termGroup, Vocabulary::NMO::to() );
if ( field().toLower() == "cc" || field() == "<recipients>" || field() == "<any header>" || field() == "<message>" )
addPersonTerm( termGroup, Vocabulary::NMO::cc() );
if ( field().toLower() == "bcc" || field() == "<recipients>" || field() == "<any header>" || field() == "<message>" )
addPersonTerm( termGroup, Vocabulary::NMO::bcc() );
if ( field().toLower() == "from" || field() == "<any header>" || field() == "<message>" )
addPersonTerm( termGroup, Vocabulary::NMO::from() );
if ( field().toLower() == "subject" || field() == "<any header>" || field() == "<message>" ) {
const Nepomuk::Query::ComparisonTerm subjectTerm( Vocabulary::NMO::messageSubject(), Nepomuk::Query::LiteralTerm( contents() ), nepomukComparator() );
termGroup.addSubTerm( subjectTerm );
}
// TODO complete for other headers, generic headers
if ( field() == "<tag>" ) {
const Nepomuk::Tag tag( contents() );
addAndNegateTerm( Nepomuk::Query::ComparisonTerm( Soprano::Vocabulary::NAO::hasTag(),
Nepomuk::Query::ResourceTerm( tag ),
Nepomuk::Query::ComparisonTerm::Equal ),
groupTerm );
}
if ( field() == "<body>" || field() == "<message>" ) {
const Nepomuk::Query::ComparisonTerm bodyTerm( Vocabulary::NMO::plainTextMessageContent(), Nepomuk::Query::LiteralTerm( contents() ), nepomukComparator() );
termGroup.addSubTerm( bodyTerm );
const Nepomuk::Query::ComparisonTerm attachmentBodyTerm( Vocabulary::NMO::plainTextMessageContent(), Nepomuk::Query::LiteralTerm( contents() ), nepomukComparator() );
const Nepomuk::Query::ComparisonTerm attachmentTerm( Vocabulary::NIE::isPartOf(), attachmentBodyTerm, Nepomuk::Query::ComparisonTerm::Equal );
termGroup.addSubTerm( attachmentTerm );
}
if ( !termGroup.subTerms().isEmpty() )
addAndNegateTerm( termGroup, groupTerm );
}
// helper, does the actual comparing
bool KMSearchRuleString::matchesInternal( const QString & msgContents ) const
{
switch ( function() ) {
case KMSearchRule::FuncEquals:
return ( QString::compare( msgContents.toLower(), contents().toLower() ) == 0 );
case KMSearchRule::FuncNotEqual:
return ( QString::compare( msgContents.toLower(), contents().toLower() ) != 0 );
case KMSearchRule::FuncContains:
return ( msgContents.contains( contents(), Qt::CaseInsensitive ) );
case KMSearchRule::FuncContainsNot:
return ( !msgContents.contains( contents(), Qt::CaseInsensitive ) );
case KMSearchRule::FuncRegExp:
{
QRegExp regexp( contents(), Qt::CaseInsensitive );
return ( regexp.indexIn( msgContents ) >= 0 );
}
case KMSearchRule::FuncNotRegExp:
{
QRegExp regexp( contents(), Qt::CaseInsensitive );
return ( regexp.indexIn( msgContents ) < 0 );
}
case FuncIsGreater:
return ( QString::compare( msgContents.toLower(), contents().toLower() ) > 0 );
case FuncIsLessOrEqual:
return ( QString::compare( msgContents.toLower(), contents().toLower() ) <= 0 );
case FuncIsLess:
return ( QString::compare( msgContents.toLower(), contents().toLower() ) < 0 );
case FuncIsGreaterOrEqual:
return ( QString::compare( msgContents.toLower(), contents().toLower() ) >= 0 );
case FuncIsInAddressbook: {
const QStringList addressList = KPIMUtils::splitAddressList( msgContents.toLower() );
for ( QStringList::ConstIterator it = addressList.constBegin(); ( it != addressList.constEnd() ); ++it ) {
Akonadi::ContactSearchJob *job = new Akonadi::ContactSearchJob();
job->setLimit( 1 );
job->setQuery( Akonadi::ContactSearchJob::Email, KPIMUtils::extractEmailAddress( *it ) );
job->exec();
if ( !job->contacts().isEmpty() )
return true;
}
return false;
}
case FuncIsNotInAddressbook: {
const QStringList addressList = KPIMUtils::splitAddressList( msgContents.toLower() );
for ( QStringList::ConstIterator it = addressList.constBegin(); ( it != addressList.constEnd() ); ++it ) {
Akonadi::ContactSearchJob *job = new Akonadi::ContactSearchJob();
job->setLimit( 1 );
job->setQuery( Akonadi::ContactSearchJob::Email, KPIMUtils::extractEmailAddress( *it ) );
job->exec();
if ( job->contacts().isEmpty() )
return true;
}
return false;
}
case FuncIsInCategory: {
QString category = contents();
const QStringList addressList = KPIMUtils::splitAddressList( msgContents.toLower() );
for ( QStringList::ConstIterator it = addressList.constBegin(); it != addressList.constEnd(); ++it ) {
Akonadi::ContactSearchJob *job = new Akonadi::ContactSearchJob();
job->setQuery( Akonadi::ContactSearchJob::Email, KPIMUtils::extractEmailAddress( *it ) );
job->exec();
const KABC::Addressee::List contacts = job->contacts();
foreach ( const KABC::Addressee &contact, contacts ) {
if ( contact.hasCategory( category ) )
return true;
}
}
return false;
}
case FuncIsNotInCategory: {
QString category = contents();
const QStringList addressList = KPIMUtils::splitAddressList( msgContents.toLower() );
for ( QStringList::ConstIterator it = addressList.constBegin(); it != addressList.constEnd(); ++it ) {
Akonadi::ContactSearchJob *job = new Akonadi::ContactSearchJob();
job->setQuery( Akonadi::ContactSearchJob::Email, KPIMUtils::extractEmailAddress( *it ) );
job->exec();
const KABC::Addressee::List contacts = job->contacts();
foreach ( const KABC::Addressee &contact, contacts ) {
if ( contact.hasCategory( category ) )
return false;
}
}
return true;
}
default:
;
}
return false;
}
//==================================================
//
// class KMSearchRuleNumerical
//
//==================================================
KMSearchRuleNumerical::KMSearchRuleNumerical( const QByteArray & field,
Function func, const QString & contents )
: KMSearchRule(field, func, contents)
{
}
bool KMSearchRuleNumerical::isEmpty() const
{
bool ok = false;
contents().toInt( &ok );
return !ok;
}
bool KMSearchRuleNumerical::matches( const Akonadi::Item &item ) const
{
const KMime::Message::Ptr msg = item.payload<KMime::Message::Ptr>();
QString msgContents;
qint64 numericalMsgContents = 0;
qint64 numericalValue = 0;
if ( field() == "<size>" ) {
numericalMsgContents = item.size();
numericalValue = contents().toLongLong();
msgContents.setNum( numericalMsgContents );
} else if ( field() == "<age in days>" ) {
QDateTime msgDateTime = msg->date()->dateTime().dateTime();
numericalMsgContents = msgDateTime.daysTo( QDateTime::currentDateTime() );
numericalValue = contents().toInt();
msgContents.setNum( numericalMsgContents );
}
bool rc = matchesInternal( numericalValue, numericalMsgContents, msgContents );
if ( FilterLog::instance()->isLogging() ) {
QString msg = ( rc ? "<font color=#00FF00>1 = </font>"
: "<font color=#FF0000>0 = </font>" );
msg += FilterLog::recode( asString() );
msg += " ( <i>" + QString::number( numericalMsgContents ) + "</i> )";
FilterLog::instance()->add( msg, FilterLog::ruleResult );
}
return rc;
}
bool KMSearchRuleNumerical::matchesInternal( long numericalValue,
long numericalMsgContents, const QString & msgContents ) const
{
switch ( function() ) {
case KMSearchRule::FuncEquals:
return ( numericalValue == numericalMsgContents );
case KMSearchRule::FuncNotEqual:
return ( numericalValue != numericalMsgContents );
case KMSearchRule::FuncContains:
return ( msgContents.contains( contents(), Qt::CaseInsensitive ) );
case KMSearchRule::FuncContainsNot:
return ( !msgContents.contains( contents(), Qt::CaseInsensitive ) );
case KMSearchRule::FuncRegExp:
{
QRegExp regexp( contents(), Qt::CaseInsensitive );
return ( regexp.indexIn( msgContents ) >= 0 );
}
case KMSearchRule::FuncNotRegExp:
{
QRegExp regexp( contents(), Qt::CaseInsensitive );
return ( regexp.indexIn( msgContents ) < 0 );
}
case FuncIsGreater:
return ( numericalMsgContents > numericalValue );
case FuncIsLessOrEqual:
return ( numericalMsgContents <= numericalValue );
case FuncIsLess:
return ( numericalMsgContents < numericalValue );
case FuncIsGreaterOrEqual:
return ( numericalMsgContents >= numericalValue );
case FuncIsInAddressbook: // since email-addresses are not numerical, I settle for false here
return false;
case FuncIsNotInAddressbook:
return false;
default:
;
}
return false;
}
void KMSearchRuleNumerical::addQueryTerms(Nepomuk::Query::GroupTerm& groupTerm) const
{
if ( field() == "<size>" ) {
const Nepomuk::Query::ComparisonTerm sizeTerm( Vocabulary::NIE::byteSize(),
Nepomuk::Query::LiteralTerm( contents().toInt() ),
nepomukComparator() );
addAndNegateTerm( sizeTerm, groupTerm );
} else if ( field() == "<age in days>" ) {
// TODO
}
}
//==================================================
//
// class KMSearchRuleStatus
//
//==================================================
QString englishNameForStatus( const MessageStatus &status )
{
for ( int i=0; i< numStatusNames; i++ ) {
if ( statusNames[i].status == status ) {
return statusNames[i].name;
}
}
return QString();
}
KMSearchRuleStatus::KMSearchRuleStatus( const QByteArray & field,
Function func, const QString & aContents )
: KMSearchRule(field, func, aContents)
{
// the values are always in english, both from the conf file as well as
// the patternedit gui
mStatus = statusFromEnglishName( aContents );
}
KMSearchRuleStatus::KMSearchRuleStatus( MessageStatus status, Function func )
: KMSearchRule( "<status>", func, englishNameForStatus( status ) )
{
mStatus = status;
}
MessageStatus KMSearchRuleStatus::statusFromEnglishName( const QString &aStatusString )
{
for ( int i=0; i< numStatusNames; i++ ) {
if ( !aStatusString.compare( statusNames[i].name ) ) {
return statusNames[i].status;
}
}
MessageStatus unknown;
return unknown;
}
bool KMSearchRuleStatus::isEmpty() const
{
return field().trimmed().isEmpty() || contents().isEmpty();
}
bool KMSearchRuleStatus::matches( const Akonadi::Item &item ) const
{
const KMime::Message::Ptr msg = item.payload<KMime::Message::Ptr>();
KPIM::MessageStatus status;
status.setStatusFromFlags( item.flags() );
bool rc = false;
switch ( function() ) {
case FuncEquals: // fallthrough. So that "<status> 'is' 'read'" works
case FuncContains:
if (status & mStatus)
rc = true;
break;
case FuncNotEqual: // fallthrough. So that "<status> 'is not' 'read'" works
case FuncContainsNot:
if (! (status & mStatus) )
rc = true;
break;
// FIXME what about the remaining funcs, how can they make sense for
// stati?
default:
break;
}
if ( FilterLog::instance()->isLogging() ) {
QString msg = ( rc ? "<font color=#00FF00>1 = </font>"
: "<font color=#FF0000>0 = </font>" );
msg += FilterLog::recode( asString() );
FilterLog::instance()->add( msg, FilterLog::ruleResult );
}
return rc;
}
void KMSearchRuleStatus::addTagTerm( Nepomuk::Query::GroupTerm &groupTerm, const QString &tagId ) const
{
// TODO handle function() == NOT
const Nepomuk::Tag tag( tagId );
addAndNegateTerm( Nepomuk::Query::ComparisonTerm( Soprano::Vocabulary::NAO::hasTag(),
Nepomuk::Query::ResourceTerm( tag.resourceUri() ),
Nepomuk::Query::ComparisonTerm::Equal ),
groupTerm );
}
void KMSearchRuleStatus::addQueryTerms(Nepomuk::Query::GroupTerm& groupTerm) const
{
if ( mStatus.isRead() || mStatus.isUnread() ) {
bool read = false;
if ( function() == FuncContains || function() == FuncEquals )
read = true;
if ( mStatus.isUnread() )
read = !read;
groupTerm.addSubTerm( Nepomuk::Query::ComparisonTerm( Vocabulary::NMO::isRead(), Nepomuk::Query::LiteralTerm( read ), Nepomuk::Query::ComparisonTerm::Equal ) );
}
if ( mStatus.isImportant() )
addTagTerm( groupTerm, "important" );
if ( mStatus.isToAct() )
addTagTerm( groupTerm, "todo" );
if ( mStatus.isWatched() )
addTagTerm( groupTerm, "watched" );
// TODO
}
// ----------------------------------------------------------------------------
//==================================================
//
// class KMSearchPattern
//
//==================================================
KMSearchPattern::KMSearchPattern()
: QList<KMSearchRule*>()
{
init();
}
KMSearchPattern::KMSearchPattern( const KConfigGroup & config )
: QList<KMSearchRule*>()
{
readConfig( config );
}
KMSearchPattern::~KMSearchPattern()
{
qDeleteAll( *this );
}
bool KMSearchPattern::matches( const Akonadi::Item &item, bool ignoreBody ) const
{
if ( isEmpty() )
return true;
if ( !item.hasPayload<KMime::Message::Ptr>() )
return false;
QList<KMSearchRule*>::const_iterator it;
switch ( mOperator ) {
case OpAnd: // all rules must match
for ( it = begin() ; it != end() ; ++it )
if ( !((*it)->requiresBody() && ignoreBody) )
if ( !(*it)->matches( item ) )
return false;
return true;
case OpOr: // at least one rule must match
for ( it = begin() ; it != end() ; ++it )
if ( !((*it)->requiresBody() && ignoreBody) )
if ( (*it)->matches( item ) )
return true;
// fall through
default:
return false;
}
}
bool KMSearchPattern::requiresBody() const {
QList<KMSearchRule*>::const_iterator it;
for ( it = begin() ; it != end() ; ++it )
if ( (*it)->requiresBody() )
return true;
return false;
}
void KMSearchPattern::purify() {
QList<KMSearchRule*>::iterator it = end();
while ( it != begin() ) {
--it;
if ( (*it)->isEmpty() ) {
#ifndef NDEBUG
kDebug() << "Removing" << (*it)->asString();
#endif
erase( it );
it = end();
}
}
}
void KMSearchPattern::readConfig( const KConfigGroup & config ) {
init();
mName = config.readEntry("name");
if ( !config.hasKey("rules") ) {
kDebug() << "Found legacy config! Converting.";
importLegacyConfig( config );
return;
}
mOperator = config.readEntry("operator") == "or" ? OpOr : OpAnd;
const int nRules = config.readEntry( "rules", 0 );
for ( int i = 0 ; i < nRules ; i++ ) {
KMSearchRule * r = KMSearchRule::createInstanceFromConfig( config, i );
if ( r->isEmpty() )
delete r;
else
append( r );
}
}
void KMSearchPattern::importLegacyConfig( const KConfigGroup & config ) {
KMSearchRule * rule = KMSearchRule::createInstance( config.readEntry("fieldA").toLatin1(),
config.readEntry("funcA").toLatin1(),
config.readEntry("contentsA") );
if ( rule->isEmpty() ) {
// if the first rule is invalid,
// we really can't do much heuristics...
delete rule;
return;
}
append( rule );
const QString sOperator = config.readEntry("operator");
if ( sOperator == "ignore" ) return;
rule = KMSearchRule::createInstance( config.readEntry("fieldB").toLatin1(),
config.readEntry("funcB").toLatin1(),
config.readEntry("contentsB") );
if ( rule->isEmpty() ) {
delete rule;
return;
}
append( rule );
if ( sOperator == "or" ) {
mOperator = OpOr;
return;
}
// This is the interesting case...
if ( sOperator == "unless" ) { // meaning "and not", ie we need to...
// ...invert the function (e.g. "equals" <-> "doesn't equal")
// We simply toggle the last bit (xor with 0x1)... This assumes that
// KMSearchRule::Function's come in adjacent pairs of pros and cons
KMSearchRule::Function func = last()->function();
unsigned int intFunc = (unsigned int)func;
func = KMSearchRule::Function( intFunc ^ 0x1 );
last()->setFunction( func );
}
// treat any other case as "and" (our default).
}
void KMSearchPattern::writeConfig( KConfigGroup & config ) const {
config.writeEntry("name", mName);
config.writeEntry("operator", (mOperator == KMSearchPattern::OpOr) ? "or" : "and" );
int i = 0;
QList<KMSearchRule*>::const_iterator it;
for ( it = begin() ; it != end() && i < FILTER_MAX_RULES ; ++i, ++it )
// we could do this ourselves, but we want the rules to be extensible,
// so we give the rule it's number and let it do the rest.
(*it)->writeConfig( config, i );
// save the total number of rules.
config.writeEntry( "rules", i );
}
void KMSearchPattern::init() {
clear();
mOperator = OpAnd;
mName = '<' + i18nc("name used for a virgin filter","unknown") + '>';
}
QString KMSearchPattern::asString() const {
QString result;
if ( mOperator == OpOr )
result = i18n("(match any of the following)");
else
result = i18n("(match all of the following)");
QList<KMSearchRule*>::const_iterator it;
for ( it = begin() ; it != end() ; ++it )
result += "\n\t" + FilterLog::recode( (*it)->asString() );
return result;
}
static Nepomuk::Query::GroupTerm makeGroupTerm( KMSearchPattern::Operator op )
{
if ( op == KMSearchPattern::OpOr )
return Nepomuk::Query::OrTerm();
return Nepomuk::Query::AndTerm();
}
QString KMSearchPattern::asSparqlQuery() const
{
Nepomuk::Query::Query query;
Nepomuk::Query::AndTerm outerGroup;
const Nepomuk::Types::Class cl( Vocabulary::NMO::Email() );
const Nepomuk::Query::ResourceTypeTerm typeTerm( cl );
const Nepomuk::Query::Query::RequestProperty itemIdProperty( Akonadi::ItemSearchJob::akonadiItemIdUri(), false );
Nepomuk::Query::GroupTerm innerGroup = makeGroupTerm( mOperator );
for ( const_iterator it = begin(); it != end(); ++it )
(*it)->addQueryTerms( innerGroup );
if ( innerGroup.subTerms().isEmpty() )
return QString();
outerGroup.addSubTerm( innerGroup );
outerGroup.addSubTerm( typeTerm );
query.setTerm( outerGroup );
query.addRequestProperty( itemIdProperty );
return query.toSparqlQuery();
}
const KMSearchPattern & KMSearchPattern::operator=( const KMSearchPattern & other ) {
if ( this == &other )
return *this;
setOp( other.op() );
setName( other.name() );
clear(); // ###
QList<KMSearchRule*>::const_iterator it;
for ( it = other.begin() ; it != other.end() ; ++it )
append( KMSearchRule::createInstance( **it ) ); // deep copy
return *this;
}