/* lean and mean DAAP-lib output stream class for taged data Copyright (c) deleet 2003, Alexander Oberdoerster & Johannes Zander http://deleet.de/projekte/daap/ This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA*/#include <daap/tagoutput.h> ////// // tag output TagOutput& TagOutput::operator << ( const Tag& tag ) { operator << ( tag.type ); openTags.push_back( msg.size()); // remember position of length field operator << ( (u32)0 ); // reserve 4 byte for the length field return( *this ); } TagOutput& TagOutput::operator << ( u16 x ) { msg.push_back(( x>>8 )&0xff ); msg.push_back(( x )&0xff ); return( *this ); } TagOutput& TagOutput::operator << ( u32 x ) { msg.push_back(( x>>24 )&0xff ); msg.push_back(( x>>16 )&0xff ); msg.push_back(( x>>8 )&0xff ); msg.push_back(( x )&0xff ); return( *this ); } TagOutput& TagOutput::closeTag() { assert( !openTags.empty()); updateInt32( openTags.back(), msg.size()-openTags.back() - 4 ); // length of tag (header exluded) openTags.pop_back(); return( *this ); } // assume the chunk is already in UTF-8 TagOutput& TagOutput::outUnchanged( const Chunk& c ) { for( u32 i=0; i<c.size(); ++i ) msg.push_back( c[i] ); return( *this ); } // assume the chunk is in iso-latin1 and convert it to UTF-8 TagOutput& TagOutput::outUTF8( const Chunk& c ) { for( u32 i=0; i<c.size(); ++i ) if( c[i]<0x80 ) msg.push_back( c[i] ); else { msg.push_back( 0xc0 | ( c[i] >> 6 )); msg.push_back( 0x80 | ( c[i] & 0x3f )); } return( *this ); }