261 lines
6.2 KiB
C++
261 lines
6.2 KiB
C++
/*************************************************************************
|
|
*
|
|
* $RCSfile: out_position.cxx,v $
|
|
*
|
|
* $Revision: 1.1 $
|
|
*
|
|
* last change: $Author: np $ $Date: 2002-11-01 17:15:27 $
|
|
*
|
|
* The Contents of this file are made available subject to the terms of
|
|
* either of the following licenses
|
|
*
|
|
* - GNU Lesser General Public License Version 2.1
|
|
* - Sun Industry Standards Source License Version 1.1
|
|
*
|
|
* Sun Microsystems Inc., October, 2000
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2000 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* 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
|
|
*
|
|
*
|
|
* Sun Industry Standards Source License Version 1.1
|
|
* =================================================
|
|
* The contents of this file are subject to the Sun Industry Standards
|
|
* Source License Version 1.1 (the "License"); You may not use this file
|
|
* except in compliance with the License. You may obtain a copy of the
|
|
* License at http://www.openoffice.org/license.html.
|
|
*
|
|
* Software provided under this License is provided on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
|
|
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
|
|
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
|
|
* See the License for the specific provisions governing your rights and
|
|
* obligations concerning the Software.
|
|
*
|
|
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
|
|
*
|
|
* Copyright: 2000 by Sun Microsystems, Inc.
|
|
*
|
|
* All Rights Reserved.
|
|
*
|
|
* Contributor(s): _______________________________________
|
|
*
|
|
*
|
|
************************************************************************/
|
|
|
|
|
|
#include <precomp.h>
|
|
#include <toolkit/out_position.hxx>
|
|
|
|
|
|
// NOT FULLY DEFINED SERVICES
|
|
|
|
|
|
|
|
namespace output
|
|
{
|
|
|
|
|
|
|
|
namespace
|
|
{
|
|
|
|
const int C_nAssumedMaxLinkLength = 500;
|
|
|
|
const int C_nMaxDepth = 30;
|
|
char C_sUpLinkArray[3*C_nMaxDepth+1] =
|
|
"../../../../../../../../../../"
|
|
"../../../../../../../../../../"
|
|
"../../../../../../../../../../";
|
|
|
|
const char * C_sUpLink = &C_sUpLinkArray[0];
|
|
|
|
|
|
void move_ToParent(
|
|
Node * & io_node,
|
|
intt i_levels = 1 );
|
|
|
|
void
|
|
move_ToParent( Node * & io_node,
|
|
intt i_levels )
|
|
{
|
|
for ( intt n = 0; n < i_levels; ++n )
|
|
{
|
|
csv_assert(io_node != 0);
|
|
io_node = io_node->Parent();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
} // namepace anonymous
|
|
|
|
|
|
|
|
Position::Position()
|
|
: sFile(),
|
|
pDirectory(&Node::Null_())
|
|
{
|
|
}
|
|
|
|
|
|
Position::Position( Node & i_directory,
|
|
const String & i_file )
|
|
: sFile(i_file),
|
|
pDirectory(&i_directory)
|
|
{
|
|
}
|
|
|
|
Position::Position( Position & i_directory,
|
|
const String & i_sDifferentFile )
|
|
: sFile(i_sDifferentFile),
|
|
pDirectory(i_directory.pDirectory)
|
|
{
|
|
}
|
|
|
|
|
|
Position::~Position()
|
|
{
|
|
}
|
|
|
|
|
|
Position &
|
|
Position::operator=( Node & i_node )
|
|
{
|
|
pDirectory = &i_node;
|
|
sFile.clear();
|
|
return *this;
|
|
}
|
|
|
|
Position &
|
|
Position::operator+=( const String & i_nodeName )
|
|
{
|
|
csv_assert(pDirectory != 0);
|
|
|
|
pDirectory = &pDirectory->Provide_Child(i_nodeName);
|
|
sFile.clear();
|
|
|
|
return *this;
|
|
}
|
|
|
|
Position &
|
|
Position::operator-=( intt i_levels )
|
|
{
|
|
csv_assert(pDirectory != 0);
|
|
|
|
pDirectory = pDirectory->Parent();
|
|
if (pDirectory == 0)
|
|
pDirectory = &Node::Null_();
|
|
sFile.clear();
|
|
|
|
return *this;
|
|
}
|
|
|
|
String
|
|
Position::LinkTo( Position & i_destination,
|
|
const String & i_localLabel ) const
|
|
{
|
|
StreamLock aLink(C_nAssumedMaxLinkLength);
|
|
StreamStr & rLink = aLink();
|
|
Get_LinkTo(rLink, i_destination, i_localLabel);
|
|
return rLink.c_str();
|
|
}
|
|
|
|
String
|
|
Position::LinkToRoot( const String & i_localLabel ) const
|
|
{
|
|
return StreamLock(C_nAssumedMaxLinkLength)() << get_UpLink(Depth()) << c_str;
|
|
}
|
|
|
|
void
|
|
Position::Get_LinkTo( StreamStr & o_result,
|
|
Position & i_destination,
|
|
const String & i_localLabel ) const
|
|
{
|
|
Node * p1 = pDirectory;
|
|
Node * p2 = i_destination.pDirectory;
|
|
intt diff = Depth() - i_destination.Depth();
|
|
intt pathLength1 = 0;
|
|
intt pathLength2 = 0;
|
|
|
|
if ( diff > 0 )
|
|
{
|
|
pathLength1 = diff;
|
|
move_ToParent(p1,pathLength1);
|
|
}
|
|
else if ( diff < 0 )
|
|
{
|
|
pathLength2 = -diff;
|
|
move_ToParent(p2,pathLength2);
|
|
}
|
|
|
|
while ( p1 != p2 )
|
|
{
|
|
move_ToParent(p1);
|
|
move_ToParent(p2);
|
|
++pathLength1;
|
|
++pathLength2;
|
|
}
|
|
|
|
o_result << get_UpLink(pathLength1);
|
|
i_destination.pDirectory->Get_Path(o_result, pathLength2);
|
|
o_result << i_destination.sFile;
|
|
if (i_localLabel.length())
|
|
o_result << "#" << i_localLabel;
|
|
}
|
|
|
|
void
|
|
Position::Get_LinkToRoot( StreamStr & o_result,
|
|
const String & i_localLabel ) const
|
|
{
|
|
o_result << get_UpLink(Depth());
|
|
}
|
|
|
|
void
|
|
Position::Set( Node & i_node,
|
|
const String & i_file )
|
|
{
|
|
sFile = i_file;
|
|
pDirectory = &i_node;
|
|
}
|
|
|
|
|
|
|
|
|
|
const char *
|
|
get_UpLink(intt i_depth)
|
|
{
|
|
if ( i_depth <= C_nMaxDepth )
|
|
return C_sUpLink + 3*(C_nMaxDepth - i_depth);
|
|
|
|
|
|
StreamLock aRet(i_depth*3 + 1);
|
|
StreamStr & rRet = aRet();
|
|
for ( intt nDepth = i_depth; nDepth > C_nMaxDepth; nDepth -= C_nMaxDepth )
|
|
{
|
|
rRet << C_sUpLink;
|
|
}
|
|
rRet << C_sUpLink + 3*(C_nMaxDepth - nDepth);
|
|
return rRet.c_str();
|
|
}
|
|
|
|
|
|
|
|
} // namespace output
|