%# BEGIN LICENSE BLOCK;
%# 
%# Copyright (c) 1996-2003 Jesse Vincent <jesse@bestpractical.com>
%# 
%# (Except where explictly superceded by other copyright notices)
%# 
%# This work is made available to you under the terms of Version 2 of
%# the GNU General Public License. A copy of that license should have
%# been provided with this software, but in any event can be snarfed
%# from www.gnu.org.
%# 
%# This work 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
%# General Public License for more details.
%# 
%# Unless otherwise specified, all modifications, corrections or
%# extensions to this work which alter its source code become the
%# property of Best Practical Solutions, LLC when submitted for
%# inclusion in the work.
%# 
%# 
%# END LICENSE BLOCK

<%ARGS>
$Format
</%ARGS>

<%init>
use Regexp::Common qw(delimited);
my @Columns;
#my $quoted = qr[$RE{delimited}{-delim=>qq{\'\"}}|(?:\{|\}|\w|\.)+];
my $justquoted = qr[$RE{delimited}{-delim=>qq{\'\"}}];
#my $quoted =        $RE{quoted}{-esc};
my $word = qr [(?:\{|\}|\w|\.)+];

while ($Format =~ /($justquoted|$word)/igx) {
    my $col = $1;

    if ($col =~ /^$RE{quoted}{-esc}$/) {
        substr($col,0,1) = "";
        substr($col,-1,1) = "";
    }

    my $colref;
    if ( $col =~ s/\/STYLE:(.*?)$//io ) {
        $colref->{'style'} = $1;
    }
    if ( $col =~ s/\/CLASS:(.*?)$//io ) {
        $colref->{'class'} = $1;
    }
    if ( $col =~ s/\/TITLE:(.*?)$//io ) {
        $colref->{'title'} = $1;
    }
    if ( $col =~ /__(.*?)__/gio ) {
        my @subcols;
        while ( $col =~ s/^(.*?)__(.*?)__//o ) {
            push ( @subcols, $1 ) if ($1);
            push ( @subcols, "__$2__" );
            $colref->{'attribute'} = $2;
        }
        push ( @subcols, $col );
        @{ $colref->{'output'} } = @subcols;
    }
    else {
        @{ $colref->{'output'} } = ( "__" . $col . "__" );
        $colref->{'attribute'} = $col;
    }
    
    if ( !$colref->{'title'} && grep { /^__(.*?)__$/io }
        @{ $colref->{'output'} } )
    {   
        $colref->{'title'}     = $1;
        $colref->{'attribute'} = $1;
    }


    push @Columns, $colref;
}
    return(@Columns);
</%init>