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.\" ========================================================================
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.IX Title "CAD::Drawing::IO::FlatYAML 3"
.TH CAD::Drawing::IO::FlatYAML 3 "2008-01-04" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
CAD::Drawing::IO::FlatYAML \- Fast distributed YAML file methods.
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module is a first attempt at creating a \*(L"reference implementation\*(R"
of the specification for the first generation hub format of the
uber-converter project.  See
http://ericwilhelm.homeip.net/uber\-converter/ for more information about
this specification.
.SH "AUTHOR"
.IX Header "AUTHOR"
Eric L. Wilhelm <ewilhelm at cpan dot org>
.PP
http://scratchcomputing.com
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
This module is copyright (C) 2004\-2006 by Eric L. Wilhelm.
.SH "LICENSE"
.IX Header "LICENSE"
This module is distributed under the same terms as Perl.  See the Perl
source package for details.
.PP
You may use this software under one of the following licenses:
.PP
.Vb 4
\&  (1) GNU General Public License
\&    (found at http://www.gnu.org/copyleft/gpl.html)
\&  (2) Artistic License
\&    (found at http://www.perl.com/pub/language/misc/Artistic.html)
.Ve
.SH "NO WARRANTY"
.IX Header "NO WARRANTY"
This software is distributed with \s-1ABSOLUTELY\s0 \s-1NO\s0 \s-1WARRANTY\s0.  The author,
his former employer, and any other contributors will in no way be held
liable for any loss or damages resulting from its use.
.SH "Modifications"
.IX Header "Modifications"
The source code of this module is made freely available and
distributable under the \s-1GPL\s0 or Artistic License.  Modifications to and
use of this software must adhere to one of these licenses.  Changes to
the code should be noted as such and this notification (as well as the
above copyright information) must remain intact on all copies of the
code.
.PP
Additionally, while the author is actively developing this code,
notification of any intended changes or extensions would be most helpful
in avoiding repeated work for all parties involved.  Please contact the
author with any such development plans.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.Vb 2
\&  CAD::Drawing
\&  CAD::Drawing::IO
.Ve
.SH "Requisite Plug-in Functions"
.IX Header "Requisite Plug-in Functions"
See CAD::Drawing::IO for a description of the plug-in architecture.
.PP
The command-line type specification for this module is 'ysplit'.
.Sh "check_type"
.IX Subsection "check_type"
Returns true if \f(CW$type\fR is \*(L"ysplit\*(R" or \f(CW$filename\fR is a directory (need a tag?)
.PP
.Vb 1
\&  $fact = check_type($filename, $type);
.Ve
.SH "Load/Save Methods"
.IX Header "Load/Save Methods"
Concept here is to strip data down to the absolute bare minumum in an
effort to find a generic and extensible incarnation of same.
.Sh "save"
.IX Subsection "save"
Saves data into \f(CW$toplevel_directory\fR into a file for each id.
.PP
.Vb 1
\&  save($drw, $toplevel_directory, \e%options);
.Ve
.PP
Requires that the directory exists and is empty (?)
.PP
Selective saves not yet supported.
.PP
Needs a clear_all_like => \f(CW$regex\fR option.
.Sh "load"
.IX Subsection "load"
.Vb 1
\&  load($drw, $toplevel_directory, \e%options);
.Ve
.PP
%options may include selective-load arguments
.SH "Naming Functions"
.IX Header "Naming Functions"
.Sh "_dir_list"
.IX Subsection "_dir_list"
.Vb 1
\&  @list = _dir_list($dir);
.Ve
.Sh "keymap_in"
.IX Subsection "keymap_in"
Remaps keys (and possibly data) into the input version.
.PP
.Vb 1
\&  ($key, $value) = keymap_in($key, $value);
.Ve
.Sh "keymap_out"
.IX Subsection "keymap_out"
Remaps keys (and possibly data) into the output version.
.PP
.Vb 1
\&  ($key, $value) = keymap_out($key, $value);
.Ve
.SH "Inherited Methods"
.IX Header "Inherited Methods"
.Sh "clear_flatyml"
.IX Subsection "clear_flatyml"
Removes items from the flat directory \f(CW$dir\fR.
.PP
Defaults to removing all.
.PP
.Vb 1
\&  $drw->clear_flatyml($dir, \e%options);
.Ve
.IP "Available options:" 4
.IX Item "Available options:"
.Vb 2
\&  like    => qr/regex/,  # if regex matches layer name
\&  not_like => qr/regex/,  # negative of above (compounded)
.Ve
.IP "\fIcheck_select()\fR options:" 4
.IX Item "check_select() options:"
%options is passed through \fICAD::Drawing::Defined::check_select()\fR, so the selections returned by it will be utilized here.
.Sp
.Vb 2
\&  select_layers => \e@layer_list,
\&  select_types => \e@types_list,
.Ve
.Sp
Returns the number of items removed or \fIundef()\fR if \f(CW$dir\fR does not exist.