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tdepim/kmail/kmsearchpattern.cpp

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// -*- mode: C++; c-file-style: "gnu" -*-
// kmsearchpattern.cpp
// Author: Marc Mutz <Marc@Mutz.com>
// This code is under GPL!
#include <config.h>
#include "kmaddrbook.h"
#include "kmsearchpattern.h"
#include "kmmsgdict.h"
#include "filterlog.h"
#include "kmkernel.h"
#include "kmmsgdict.h"
#include "kmfolder.h"
using KMail::FilterLog;
#include <libemailfunctions/email.h>
#include <kglobal.h>
#include <klocale.h>
#include <kdebug.h>
#include <kconfig.h>
#include <kabc/stdaddressbook.h>
#include <qregexp.h>
#include <mimelib/string.h>
#include <mimelib/boyermor.h>
#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;
KMMsgStatus status;
};
static struct _statusNames statusNames[] = {
{ "Important", KMMsgStatusFlag },
{ "New", KMMsgStatusNew },
{ "Unread", KMMsgStatusUnread | KMMsgStatusNew },
{ "Read", KMMsgStatusRead },
{ "Old", KMMsgStatusOld },
{ "Deleted", KMMsgStatusDeleted },
{ "Replied", KMMsgStatusReplied },
{ "Forwarded", KMMsgStatusForwarded },
{ "Queued", KMMsgStatusQueued },
{ "Sent", KMMsgStatusSent },
{ "Watched", KMMsgStatusWatched },
{ "Ignored", KMMsgStatusIgnored },
{ "To Do", KMMsgStatusTodo },
{ "Spam", KMMsgStatusSpam },
{ "Ham", KMMsgStatusHam },
{ "Has Attachment", KMMsgStatusHasAttach }
};
static const int numStatusNames = sizeof statusNames / sizeof ( struct _statusNames );
//==================================================
//
// class KMSearchRule (was: KMFilterRule)
//
//==================================================
KMSearchRule::KMSearchRule( const QCString & 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 QCString & 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 QCString & 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 KConfig * 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 QCString &field2 = config->readEntry( field + cIdx ).latin1();
Function func2 = configValueToFunc( config->readEntry( func + cIdx ).latin1() );
const QString & contents2 = config->readEntry( contents + cIdx );
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( KConfig * 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 );
}
bool KMSearchRule::matches( const DwString & aStr, KMMessage & msg,
const DwBoyerMoore *, int ) const
{
if ( !msg.isComplete() ) {
msg.fromDwString( aStr );
msg.setComplete( true );
}
return matches( &msg );
}
const QString KMSearchRule::asString() const
{
QString result = "\"" + mField + "\" <";
result += functionToString( mFunction );
result += "> \"" + mContents + "\"";
return result;
}
//==================================================
//
// class KMSearchRuleString
//
//==================================================
KMSearchRuleString::KMSearchRuleString( const QCString & field,
Function func, const QString & contents )
: KMSearchRule(field, func, contents)
{
if ( field.isEmpty() || field[0] == '<' )
mBmHeaderField = 0;
else // make sure you handle the unrealistic case of the message starting with mField
mBmHeaderField = new DwBoyerMoore(("\n" + field + ": ").data());
}
KMSearchRuleString::KMSearchRuleString( const KMSearchRuleString & other )
: KMSearchRule( other ),
mBmHeaderField( 0 )
{
if ( other.mBmHeaderField )
mBmHeaderField = new DwBoyerMoore( *other.mBmHeaderField );
}
const KMSearchRuleString & KMSearchRuleString::operator=( const KMSearchRuleString & other )
{
if ( this == &other )
return *this;
setField( other.field() );
mBmHeaderField = new DwBoyerMoore( *other.mBmHeaderField );
setFunction( other.function() );
setContents( other.contents() );
delete mBmHeaderField; mBmHeaderField = 0;
if ( other.mBmHeaderField )
mBmHeaderField = new DwBoyerMoore( *other.mBmHeaderField );
return *this;
}
KMSearchRuleString::~KMSearchRuleString()
{
delete mBmHeaderField;
mBmHeaderField = 0;
}
bool KMSearchRuleString::isEmpty() const
{
return field().stripWhiteSpace().isEmpty() || contents().isEmpty();
}
bool KMSearchRuleString::requiresBody() const
{
if (mBmHeaderField || (field() == "<recipients>" ))
return false;
return true;
}
bool KMSearchRuleString::matches( const DwString & aStr, KMMessage & msg,
const DwBoyerMoore * aHeaderField, int aHeaderLen ) const
{
if ( isEmpty() )
return false;
bool rc = false;
const DwBoyerMoore * headerField = aHeaderField ? aHeaderField : mBmHeaderField ;
const int headerLen = ( aHeaderLen > -1 ? aHeaderLen : field().length() ) + 2 ; // +1 for ': '
if ( headerField ) {
static const DwBoyerMoore lflf( "\n\n" );
static const DwBoyerMoore lfcrlf( "\n\r\n" );
size_t endOfHeader = lflf.FindIn( aStr, 0 );
if ( endOfHeader == DwString::npos )
endOfHeader = lfcrlf.FindIn( aStr, 0 );
const DwString headers = ( endOfHeader == DwString::npos ) ? aStr : aStr.substr( 0, endOfHeader );
// In case the searched header is at the beginning, we have to prepend
// a newline - see the comment in KMSearchRuleString constructor
DwString fakedHeaders( "\n" );
size_t start = headerField->FindIn( fakedHeaders.append( headers ), 0, false );
// if the header field doesn't exist then return false for positive
// functions and true for negated functions (e.g. "does not
// contain"); note that all negated string functions correspond
// to an odd value
if ( start == DwString::npos )
rc = ( ( function() & 1 ) == 1 );
else {
start += headerLen;
size_t stop = aStr.find( '\n', start );
char ch = '\0';
while ( stop != DwString::npos && ( ch = aStr.at( stop + 1 ) ) == ' ' || ch == '\t' )
stop = aStr.find( '\n', stop + 1 );
const int len = stop == DwString::npos ? aStr.length() - start : stop - start ;
const QCString codedValue( aStr.data() + start, len + 1 );
const QString msgContents = KMMsgBase::decodeRFC2047String( codedValue ).stripWhiteSpace(); // FIXME: This needs to be changed for IDN support.
rc = matchesInternal( msgContents );
}
} else if ( field() == "<recipients>" ) {
static const DwBoyerMoore to("\nTo: ");
static const DwBoyerMoore cc("\nCc: ");
static const DwBoyerMoore bcc("\nBcc: ");
// <recipients> "contains" "foo" is true if any of the fields contains
// "foo", while <recipients> "does not contain" "foo" is true if none
// of the fields contains "foo"
if ( ( function() & 1 ) == 0 ) {
// positive function, e.g. "contains"
rc = ( matches( aStr, msg, &to, 2 ) ||
matches( aStr, msg, &cc, 2 ) ||
matches( aStr, msg, &bcc, 3 ) );
}
else {
// negated function, e.g. "does not contain"
rc = ( matches( aStr, msg, &to, 2 ) &&
matches( aStr, msg, &cc, 2 ) &&
matches( aStr, msg, &bcc, 3 ) );
}
}
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
// FIXME We have to separate the text which is used for filtering to be able to show it in the log
// if ( logContents )
// msg += " (<i>" + FilterLog::recode( msgContents ) + "</i>)";
FilterLog::instance()->add( msg, FilterLog::ruleResult );
}
return rc;
}
bool KMSearchRuleString::matches( const KMMessage * msg ) const
{
assert( msg );
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->asString();
logContents = false;
} else if ( field() == "<body>" ) {
msgContents = msg->bodyToUnicode();
logContents = false;
} else if ( field() == "<any header>" ) {
msgContents = msg->headerAsString();
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->headerField("To") )
|| matchesInternal( msg->headerField("Cc") )
|| matchesInternal( msg->headerField("Bcc") )
// sometimes messages have multiple Cc headers
|| matchesInternal( msg->cc() );
msgContents = msg->headerField("To");
if ( !msg->headerField("Cc").compare( msg->cc() ) )
msgContents += ", " + msg->headerField("Cc");
else
msgContents += ", " + msg->cc();
msgContents += ", " + msg->headerField("Bcc");
} else {
// make sure to treat messages with multiple header lines for
// the same header correctly
msgContents = msg->headerFields( field() ).join( " " );
}
if ( function() == FuncIsInAddressbook ||
function() == FuncIsNotInAddressbook ) {
// I think only the "from"-field makes sense.
msgContents = msg->headerField( field() );
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->toMsgBase().attachmentState() == KMMsgHasAttachment );
if ( function() == FuncHasNoAttachment )
return ( ((KMMsgAttachmentState) msg->toMsgBase().attachmentState()) == KMMsgHasNoAttachment );
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;
}
// helper, does the actual comparing
bool KMSearchRuleString::matchesInternal( const QString & msgContents ) const
{
switch ( function() ) {
case KMSearchRule::FuncEquals:
return ( QString::compare( msgContents.lower(), contents().lower() ) == 0 );
case KMSearchRule::FuncNotEqual:
return ( QString::compare( msgContents.lower(), contents().lower() ) != 0 );
case KMSearchRule::FuncContains:
return ( msgContents.find( contents(), 0, false ) >= 0 );
case KMSearchRule::FuncContainsNot:
return ( msgContents.find( contents(), 0, false ) < 0 );
case KMSearchRule::FuncRegExp:
{
QRegExp regexp( contents(), false );
return ( regexp.search( msgContents ) >= 0 );
}
case KMSearchRule::FuncNotRegExp:
{
QRegExp regexp( contents(), false );
return ( regexp.search( msgContents ) < 0 );
}
case FuncIsGreater:
return ( QString::compare( msgContents.lower(), contents().lower() ) > 0 );
case FuncIsLessOrEqual:
return ( QString::compare( msgContents.lower(), contents().lower() ) <= 0 );
case FuncIsLess:
return ( QString::compare( msgContents.lower(), contents().lower() ) < 0 );
case FuncIsGreaterOrEqual:
return ( QString::compare( msgContents.lower(), contents().lower() ) >= 0 );
case FuncIsInAddressbook: {
KABC::AddressBook *stdAb = KABC::StdAddressBook::self( true );
QStringList addressList =
KPIM::splitEmailAddrList( msgContents.lower() );
for( QStringList::ConstIterator it = addressList.begin();
( it != addressList.end() );
++it ) {
if ( !stdAb->findByEmail( KPIM::getEmailAddress( *it ) ).isEmpty() )
return true;
}
return false;
}
case FuncIsNotInAddressbook: {
KABC::AddressBook *stdAb = KABC::StdAddressBook::self( true );
QStringList addressList =
KPIM::splitEmailAddrList( msgContents.lower() );
for( QStringList::ConstIterator it = addressList.begin();
( it != addressList.end() );
++it ) {
if ( stdAb->findByEmail( KPIM::getEmailAddress( *it ) ).isEmpty() )
return true;
}
return false;
}
case FuncIsInCategory: {
QString category = contents();
QStringList addressList = KPIM::splitEmailAddrList( msgContents.lower() );
KABC::AddressBook *stdAb = KABC::StdAddressBook::self( true );
for( QStringList::ConstIterator it = addressList.begin();
it != addressList.end(); ++it ) {
KABC::Addressee::List addresses = stdAb->findByEmail( KPIM::getEmailAddress( *it ) );
for ( KABC::Addressee::List::Iterator itAd = addresses.begin(); itAd != addresses.end(); ++itAd )
if ( (*itAd).hasCategory(category) )
return true;
}
return false;
}
case FuncIsNotInCategory: {
QString category = contents();
QStringList addressList = KPIM::splitEmailAddrList( msgContents.lower() );
KABC::AddressBook *stdAb = KABC::StdAddressBook::self( true );
for( QStringList::ConstIterator it = addressList.begin();
it != addressList.end(); ++it ) {
KABC::Addressee::List addresses = stdAb->findByEmail( KPIM::getEmailAddress( *it ) );
for ( KABC::Addressee::List::Iterator itAd = addresses.begin(); itAd != addresses.end(); ++itAd )
if ( (*itAd).hasCategory(category) )
return false;
}
return true;
}
default:
;
}
return false;
}
//==================================================
//
// class KMSearchRuleNumerical
//
//==================================================
KMSearchRuleNumerical::KMSearchRuleNumerical( const QCString & 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 KMMessage * msg ) const
{
QString msgContents;
int numericalMsgContents = 0;
int numericalValue = 0;
if ( field() == "<size>" ) {
numericalMsgContents = int( msg->msgLength() );
numericalValue = contents().toInt();
msgContents.setNum( numericalMsgContents );
} else if ( field() == "<age in days>" ) {
QDateTime msgDateTime;
msgDateTime.setTime_t( msg->date() );
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.find( contents(), 0, false ) >= 0 );
case KMSearchRule::FuncContainsNot:
return ( msgContents.find( contents(), 0, false ) < 0 );
case KMSearchRule::FuncRegExp:
{
QRegExp regexp( contents(), false );
return ( regexp.search( msgContents ) >= 0 );
}
case KMSearchRule::FuncNotRegExp:
{
QRegExp regexp( contents(), false );
return ( regexp.search( 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;
}
//==================================================
//
// class KMSearchRuleStatus
//
//==================================================
QString englishNameForStatus( const KMMsgStatus& status )
{
for ( int i=0; i< numStatusNames; i++ ) {
if ( statusNames[i].status == status ) {
return statusNames[i].name;
}
}
return QString::null;
}
KMSearchRuleStatus::KMSearchRuleStatus( const QCString & 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( int status, Function func )
: KMSearchRule( "<status>", func, englishNameForStatus( status ) )
{
mStatus = status;
}
KMMsgStatus KMSearchRuleStatus::statusFromEnglishName( const QString & aStatusString )
{
for ( int i=0; i< numStatusNames; i++ ) {
if ( !aStatusString.compare( statusNames[i].name ) ) {
return statusNames[i].status;
}
}
return KMMsgStatusUnknown;
}
bool KMSearchRuleStatus::isEmpty() const
{
return field().stripWhiteSpace().isEmpty() || contents().isEmpty();
}
bool KMSearchRuleStatus::matches( const DwString &, KMMessage &,
const DwBoyerMoore *, int ) const
{
assert( 0 );
return false; // don't warn
}
bool KMSearchRuleStatus::matches( const KMMessage * msg ) const
{
KMMsgStatus msgStatus = msg->status();
bool rc = false;
switch ( function() ) {
case FuncEquals: // fallthrough. So that "<status> 'is' 'read'" works
case FuncContains:
if (msgStatus & mStatus)
rc = true;
break;
case FuncNotEqual: // fallthrough. So that "<status> 'is not' 'read'" works
case FuncContainsNot:
if (! (msgStatus & 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;
}
// ----------------------------------------------------------------------------
//==================================================
//
// class KMSearchPattern
//
//==================================================
KMSearchPattern::KMSearchPattern( const KConfig * config )
: QPtrList<KMSearchRule>()
{
setAutoDelete( true );
if ( config )
readConfig( config );
else
init();
}
KMSearchPattern::~KMSearchPattern()
{
}
bool KMSearchPattern::matches( const KMMessage * msg, bool ignoreBody ) const
{
if ( isEmpty() )
return true;
QPtrListIterator<KMSearchRule> it( *this );
switch ( mOperator ) {
case OpAnd: // all rules must match
for ( it.toFirst() ; it.current() ; ++it )
if ( !((*it)->requiresBody() && ignoreBody) )
if ( !(*it)->matches( msg ) )
return false;
return true;
case OpOr: // at least one rule must match
for ( it.toFirst() ; it.current() ; ++it )
if ( !((*it)->requiresBody() && ignoreBody) )
if ( (*it)->matches( msg ) )
return true;
// fall through
default:
return false;
}
}
bool KMSearchPattern::matches( const DwString & aStr, bool ignoreBody ) const
{
if ( isEmpty() )
return true;
KMMessage msg;
QPtrListIterator<KMSearchRule> it( *this );
switch ( mOperator ) {
case OpAnd: // all rules must match
for ( it.toFirst() ; it.current() ; ++it )
if ( !((*it)->requiresBody() && ignoreBody) )
if ( !(*it)->matches( aStr, msg ) )
return false;
return true;
case OpOr: // at least one rule must match
for ( it.toFirst() ; it.current() ; ++it )
if ( !((*it)->requiresBody() && ignoreBody) )
if ( (*it)->matches( aStr, msg ) )
return true;
// fall through
default:
return false;
}
}
bool KMSearchPattern::matches( Q_UINT32 serNum, bool ignoreBody ) const
{
if ( isEmpty() )
return true;
bool res;
int idx = -1;
KMFolder *folder = 0;
KMMsgDict::instance()->getLocation(serNum, &folder, &idx);
if (!folder || (idx == -1) || (idx >= folder->count())) {
return false;
}
KMFolderOpener openFolder(folder, "searchptr");
KMMsgBase *msgBase = folder->getMsgBase(idx);
if (requiresBody() && !ignoreBody) {
bool unGet = !msgBase->isMessage();
KMMessage *msg = folder->getMsg(idx);
res = false;
if ( msg ) {
res = matches( msg, ignoreBody );
if (unGet)
folder->unGetMsg(idx);
}
} else {
res = matches( folder->getDwString(idx), ignoreBody );
}
return res;
}
bool KMSearchPattern::requiresBody() const {
QPtrListIterator<KMSearchRule> it( *this );
for ( it.toFirst() ; it.current() ; ++it )
if ( (*it)->requiresBody() )
return true;
return false;
}
void KMSearchPattern::purify() {
QPtrListIterator<KMSearchRule> it( *this );
it.toLast();
while ( it.current() )
if ( (*it)->isEmpty() ) {
#ifndef NDEBUG
kdDebug(5006) << "KMSearchPattern::purify(): removing " << (*it)->asString() << endl;
#endif
remove( *it );
} else {
--it;
}
}
void KMSearchPattern::readConfig( const KConfig * config ) {
init();
mName = config->readEntry("name");
if ( !config->hasKey("rules") ) {
kdDebug(5006) << "KMSearchPattern::readConfig: found legacy config! Converting." << endl;
importLegacyConfig( config );
return;
}
mOperator = config->readEntry("operator") == "or" ? OpOr : OpAnd;
const int nRules = config->readNumEntry( "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 KConfig * config ) {
KMSearchRule * rule = KMSearchRule::createInstance( config->readEntry("fieldA").latin1(),
config->readEntry("funcA").latin1(),
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").latin1(),
config->readEntry("funcB").latin1(),
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( KConfig * config ) const {
config->writeEntry("name", mName);
config->writeEntry("operator", (mOperator == KMSearchPattern::OpOr) ? "or" : "and" );
int i = 0;
for ( QPtrListIterator<KMSearchRule> it( *this ) ; it.current() && 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 = '<' + i18n("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)");
for ( QPtrListIterator<KMSearchRule> it( *this ) ; it.current() ; ++it )
result += "\n\t" + FilterLog::recode( (*it)->asString() );
return result;
}
const KMSearchPattern & KMSearchPattern::operator=( const KMSearchPattern & other ) {
if ( this == &other )
return *this;
setOp( other.op() );
setName( other.name() );
clear(); // ###
for ( QPtrListIterator<KMSearchRule> it( other ) ; it.current() ; ++it ) {
KMSearchRule * rule = KMSearchRule::createInstance( **it ); // deep copy
append( rule );
}
return *this;
}
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