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akonadi

protocolhelper.cpp

00001 /*
00002     Copyright (c) 2008 Volker Krause <vkrause@kde.org>
00003 
00004     This library is free software; you can redistribute it and/or modify it
00005     under the terms of the GNU Library General Public License as published by
00006     the Free Software Foundation; either version 2 of the License, or (at your
00007     option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful, but WITHOUT
00010     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00011     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00012     License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to the
00016     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017     02110-1301, USA.
00018 */
00019 
00020 #include "protocolhelper.h"
00021 
00022 #include "attributefactory.h"
00023 #include "imapparser_p.h"
00024 
00025 #include <QtCore/QVarLengthArray>
00026 
00027 #include <kdebug.h>
00028 
00029 using namespace Akonadi;
00030 
00031 int ProtocolHelper::parseCachePolicy(const QByteArray & data, CachePolicy & policy, int start)
00032 {
00033   QVarLengthArray<QByteArray,16> params;
00034   int end = Akonadi::ImapParser::parseParenthesizedList( data, params, start );
00035   for ( int i = 0; i < params.count() - 1; i += 2 ) {
00036     const QByteArray key = params[i];
00037     const QByteArray value = params[i + 1];
00038 
00039     if ( key == "INHERIT" )
00040       policy.setInheritFromParent( value == "true" );
00041     else if ( key == "INTERVAL" )
00042       policy.setIntervalCheckTime( value.toInt() );
00043     else if ( key == "CACHETIMEOUT" )
00044       policy.setCacheTimeout( value.toInt() );
00045     else if ( key == "SYNCONDEMAND" )
00046       policy.setSyncOnDemand( value == "true" );
00047     else if ( key == "LOCALPARTS" ) {
00048       QVarLengthArray<QByteArray,16> tmp;
00049       QStringList parts;
00050       Akonadi::ImapParser::parseParenthesizedList( value, tmp );
00051       for ( int j=0; j<tmp.size(); j++ )
00052         parts << QString::fromLatin1( tmp[j] );
00053       policy.setLocalParts( parts );
00054     }
00055   }
00056   return end;
00057 }
00058 
00059 QByteArray ProtocolHelper::cachePolicyToByteArray(const CachePolicy & policy)
00060 {
00061   QByteArray rv = "CACHEPOLICY (";
00062   if ( policy.inheritFromParent() ) {
00063     rv += "INHERIT true";
00064   } else {
00065     rv += "INHERIT false";
00066     rv += " INTERVAL " + QByteArray::number( policy.intervalCheckTime() );
00067     rv += " CACHETIMEOUT " + QByteArray::number( policy.cacheTimeout() );
00068     rv += " SYNCONDEMAND " + ( policy.syncOnDemand() ? QByteArray("true") : QByteArray("false") );
00069     rv += " LOCALPARTS (" + policy.localParts().join( QLatin1String(" ") ).toLatin1() + ')';
00070   }
00071   rv += ')';
00072   return rv;
00073 }
00074 
00075 int ProtocolHelper::parseCollection(const QByteArray & data, Collection & collection, int start)
00076 {
00077   int pos = start;
00078 
00079   // collection and parent id
00080   Collection::Id colId = -1;
00081   bool ok = false;
00082   pos = ImapParser::parseNumber( data, colId, &ok, pos );
00083   if ( !ok || colId <= 0 ) {
00084     kDebug( 5250 ) << "Could not parse collection id from response:" << data;
00085     return start;
00086   }
00087 
00088   Collection::Id parentId = -1;
00089   pos = ImapParser::parseNumber( data, parentId, &ok, pos );
00090   if ( !ok || parentId < 0 ) {
00091     kDebug( 5250 ) << "Could not parse parent id from response:" << data;
00092     return start;
00093   }
00094 
00095   collection = Collection( colId );
00096   collection.setParent( parentId );
00097 
00098   // attributes
00099   QVarLengthArray<QByteArray,16> attributes;
00100   pos = ImapParser::parseParenthesizedList( data, attributes, pos );
00101 
00102   for ( int i = 0; i < attributes.count() - 1; i += 2 ) {
00103     const QByteArray key = attributes[i];
00104     const QByteArray value = attributes[i + 1];
00105 
00106     if ( key == "NAME" ) {
00107       collection.setName( QString::fromUtf8( value ) );
00108     } else if ( key == "REMOTEID" ) {
00109       collection.setRemoteId( QString::fromUtf8( value ) );
00110     } else if ( key == "RESOURCE" ) {
00111       collection.setResource( QString::fromUtf8( value ) );
00112     } else if ( key == "MIMETYPE" ) {
00113       QVarLengthArray<QByteArray,16> ct;
00114       ImapParser::parseParenthesizedList( value, ct );
00115       QStringList ct2;
00116       for ( int j = 0; j < ct.size(); j++ )
00117         ct2 << QString::fromLatin1( ct[j] );
00118       collection.setContentMimeTypes( ct2 );
00119     } else if ( key == "CACHEPOLICY" ) {
00120       CachePolicy policy;
00121       ProtocolHelper::parseCachePolicy( value, policy );
00122       collection.setCachePolicy( policy );
00123     } else {
00124       Attribute* attr = AttributeFactory::createAttribute( key );
00125       Q_ASSERT( attr );
00126       attr->deserialize( value );
00127       collection.addAttribute( attr );
00128     }
00129   }
00130 
00131   return pos;
00132 }
00133 
00134 QByteArray ProtocolHelper::attributesToByteArray(const Entity & entity, bool ns )
00135 {
00136   QList<QByteArray> l;
00137   foreach ( const Attribute *attr, entity.attributes() ) {
00138     l << encodePartIdentifier( ns ? PartAttribute : PartGlobal, attr->type() );
00139     l << ImapParser::quote( attr->serialized() );
00140   }
00141   return ImapParser::join( l, " " );
00142 }
00143 
00144 QByteArray ProtocolHelper::encodePartIdentifier(PartNamespace ns, const QByteArray & label, int version )
00145 {
00146   const QByteArray versionString( version != 0 ? '[' + QByteArray::number( version ) + ']' : "" );
00147   switch ( ns ) {
00148     case PartGlobal:
00149       return label + versionString;
00150     case PartPayload:
00151       return "PLD:" + label + versionString;
00152     case PartAttribute:
00153       return "ATR:" + label + versionString;
00154     default:
00155       Q_ASSERT( false );
00156   }
00157   return QByteArray();
00158 }
00159 
00160 QByteArray ProtocolHelper::decodePartIdentifier( const QByteArray &data, PartNamespace & ns )
00161 {
00162   if ( data.startsWith( "PLD:" ) ) {
00163     ns = PartPayload;
00164     return data.mid( 4 );
00165   } else if ( data.startsWith( "ATR:" ) ) {
00166     ns = PartAttribute;
00167     return data.mid( 4 );
00168   } else {
00169     ns = PartGlobal;
00170     return data;
00171   }
00172 }

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