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/*
This file is part of libkabc.
Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <qregexp.h>
#include <kmdcodec.h>
#include "vcardparser.h"
#define FOLD_WIDTH 75
using namespace KABC;
VCardParser::VCardParser()
{
}
VCardParser::~VCardParser()
{
}
VCard::List VCardParser::parseVCards( const QString& text )
{
static QRegExp sep( "[\x0d\x0a]" );
VCard currentVCard;
VCard::List vCardList;
QString currentLine;
const QStringList lines = QStringList::split( sep, text );
QStringList::ConstIterator it;
bool inVCard = false;
QStringList::ConstIterator linesEnd( lines.end() );
for ( it = lines.begin(); it != linesEnd; ++it ) {
if ( (*it).isEmpty() ) // empty line
continue;
if ( (*it)[ 0 ] == ' ' || (*it)[ 0 ] == '\t' ) { // folded line => append to previous
currentLine += QString( *it ).remove( 0, 1 );
continue;
} else {
if ( inVCard && !currentLine.isEmpty() ) { // now parse the line
int colon = currentLine.find( ':' );
if ( colon == -1 ) { // invalid line
currentLine = (*it);
continue;
}
VCardLine vCardLine;
const QString key = currentLine.left( colon ).stripWhiteSpace();
QString value = currentLine.mid( colon + 1 );
QStringList params = QStringList::split( ';', key );
// check for group
if ( params[0].find( '.' ) != -1 ) {
const QStringList groupList = QStringList::split( '.', params[0] );
vCardLine.setGroup( groupList[0] );
vCardLine.setIdentifier( groupList[1] );
} else
vCardLine.setIdentifier( params[0] );
if ( params.count() > 1 ) { // find all parameters
QStringList::ConstIterator paramIt = params.begin();
for ( ++paramIt; paramIt != params.end(); ++paramIt ) {
QStringList pair = QStringList::split( '=', *paramIt );
if ( pair.count() == 1 ) {
// correct the fucking 2.1 'standard'
if ( pair[0].lower() == "quoted-printable" ) {
pair[0] = "encoding";
pair[1] = "quoted-printable";
} else if ( pair[0].lower() == "base64" ) {
pair[0] = "encoding";
pair[1] = "base64";
} else {
pair.prepend( "type" );
}
}
// This is pretty much a faster pair[1].contains( ',' )...
if ( pair[1].find( ',' ) != -1 ) { // parameter in type=x,y,z format
const QStringList args = QStringList::split( ',', pair[ 1 ] );
QStringList::ConstIterator argIt;
for ( argIt = args.begin(); argIt != args.end(); ++argIt )
vCardLine.addParameter( pair[0].lower(), *argIt );
} else
vCardLine.addParameter( pair[0].lower(), pair[1] );
}
}
params = vCardLine.parameterList();
if ( params.findIndex( "encoding" ) != -1 ) { // have to decode the data
QByteArray input, output;
if ( vCardLine.parameter( "encoding" ).lower() == "b" ||
vCardLine.parameter( "encoding" ).lower() == "base64" ) {
input = value.local8Bit();
KCodecs::base64Decode( input, output );
} else if ( vCardLine.parameter( "encoding" ).lower() == "quoted-printable" ) {
// join any qp-folded lines
while ( value.mid(value.length()-1,1) == "=" && it != linesEnd ) {
value = value.remove( value.length()-1, 1 ) + (*it);
++it;
}
input = value.local8Bit();
KCodecs::quotedPrintableDecode( input, output );
}
//PP our vcards are *supposed* to be in UTF-8
// if ( vCardLine.parameter( "charset" ).lower() == "utf-8" ) {
// vCardLine.setValue( QString::fromUtf8( output.data(), output.size() ) );
// } else
vCardLine.setValueBytes( output );
//PP our vcards are *supposed* to be in UTF-8
// } else if ( vCardLine.parameter( "charset" ).lower() == "utf-8" ) {
// vCardLine.setValue( QString::fromUtf8( value.ascii() ) );
} else
vCardLine.setValueString( value.replace( QRegExp("\\\\n"), "\n" ) );
currentVCard.addLine( vCardLine );
}
// we do not save the start and end tag as vcardline
if ( (*it).lower().startsWith( "begin:vcard" ) ) {
inVCard = true;
currentLine = "";
currentVCard.clear(); // flush vcard
continue;
}
if ( (*it).lower().startsWith( "end:vcard" ) ) {
inVCard = false;
vCardList.append( currentVCard );
currentLine = "";
currentVCard.clear(); // flush vcard
continue;
}
currentLine = (*it);
}
}
return vCardList;
}
QString VCardParser::createVCards( const VCard::List& list )
{
QString text;
QString textLine;
QString encodingType;
QStringList idents;
QStringList params;
QStringList values;
QStringList::ConstIterator identIt;
QStringList::Iterator paramIt;
QStringList::ConstIterator valueIt;
VCardLine::List lines;
VCardLine::List::ConstIterator lineIt;
VCard::List::ConstIterator cardIt;
bool hasEncoding;
// iterate over the cards
VCard::List::ConstIterator listEnd( list.end() );
for ( cardIt = list.begin(); cardIt != listEnd; ++cardIt ) {
text.append( "BEGIN:VCARD\r\n" );
idents = (*cardIt).identifiers();
for ( identIt = idents.begin(); identIt != idents.end(); ++identIt ) {
lines = (*cardIt).lines( (*identIt) );
// iterate over the lines
for ( lineIt = lines.begin(); lineIt != lines.end(); ++lineIt ) {
if ( !(*lineIt).valueString().isEmpty() ) {
if ( (*lineIt).hasGroup() )
textLine = (*lineIt).group() + "." + (*lineIt).identifier();
else
textLine = (*lineIt).identifier();
params = (*lineIt).parameterList();
hasEncoding = false;
if ( params.count() > 0 ) { // we have parameters
for ( paramIt = params.begin(); paramIt != params.end(); ++paramIt ) {
if ( (*paramIt) == "encoding" ) {
hasEncoding = true;
encodingType = (*lineIt).parameter( "encoding" ).lower();
}
values = (*lineIt).parameters( *paramIt );
for ( valueIt = values.begin(); valueIt != values.end(); ++valueIt ) {
textLine.append( ";" + (*paramIt).upper() );
if ( !(*valueIt).isEmpty() )
textLine.append( "=" + (*valueIt) );
}
}
}
if ( hasEncoding ) { // have to encode the data
QByteArray input, output;
input = (*lineIt).valueBytes();
if ( encodingType == "b" )
KCodecs::base64Encode( input, output );
else if ( encodingType == "quoted-printable" )
KCodecs::quotedPrintableEncode( input, output );
textLine.append( ":" + QString( output ) );
} else
textLine.append( ":" + (*lineIt).valueString().replace( QRegExp("\n"), "\\n" ) );
if ( textLine.length() > FOLD_WIDTH ) { // we have to fold the line
for ( uint i = 0; i <= ( textLine.length() / FOLD_WIDTH ); ++i )
text.append( ( i == 0 ? "" : " " ) + textLine.mid( i * FOLD_WIDTH, FOLD_WIDTH ) + "\r\n" );
} else
text.append( textLine + "\r\n" );
}
}
}
text.append( "END:VCARD\r\n" );
text.append( "\r\n" );
}
return text;
}
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