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native::Delta(3)      User Contributed Perl Documentation     native::Delta(3)

NAME
       SVN::Delta - Subversion delta functions

SYNOPSIS
	   require SVN::Core;
	   require SVN::Repos;
	   require SVN::Delta;

	   # driving an	editor
	   my $editor =	SVN::Delta::Editor->
	       new(SVN::Repos::get_commit_editor($repos, "file://$repospath",
						 '/', 'root', 'FOO', \&committed));

	   my $rootbaton = $editor->open_root(0);

	   my $fbaton =	$editor->add_file('filea', $rootbaton,
					  undef, -1);

	   my $ret = $editor->apply_textdelta($fbaton, undef);
	   SVN::TxDelta::send_string("FILEA CONTENT", @$ret);

	   # implement an editor in perl
	   SVN::Repos::dir_delta($root1, $path,	undef,
				 $root2, $path,
				 SVN::Delta::Editor->new(_debug=>1),
				 1, 1, 0, 1

DESCRIPTION
       SVN::Delta wraps	delta related function in subversion. The most
       important one is	SVN::Delta::Editor, the	interface for describing tree
       deltas. by default SVN::Delta::Editor relays method calls to its
       internal	member "_editor", which	could either be	an editor in C (such
       as the one you get from get_commit_editor), or another
       SVN::Delta::Editor object.

SVN::Delta::Editor
   Driving Editors
       If you want to drive a native editor (such as commit_editor obtained by
       SVN::Repos::get_commit_editor), create a	SVN::Delta::Editor object with
       the native editor/baton pair. The object	will then be ready to use and
       its method calls	will be	relayed	to the native editor.

   Implementing	Editors
       If you want to implement	an editor, subclass SVN::Delta::Editor and
       implement the editors callbacks.	see the	METHODS	section	below.

   CONSTRUCTOR - new(...)
       new($editor, $editor_baton)
	   Link	to the native editor

       You can also pass a hash	array to new:

       _debug
	   Turn	on debug.

       _editor
	   An arrayref of the editor/baton pair	or another SVN::Delta::Editor
	   object to link with.

   METHODS
       Please consult the svn_delta.h section in the Subversion	API. Member
       functions of svn_delta_editor_t could be	called as methods of
       SVN::Delta::Editor objects, with	the edit_baton omitted.	The pool is
       also optional.

       If you are subclassing, the methods take	exactly	the same arguments as
       the member functions (note that void ** are returned data though	as
       throughout the perl bindings), with the edit_baton omitted.

BUGS
       Functions returning editor/baton	pair should really be typemapped to a
       SVN::Delta::Editor object.

AUTHORS
       Chia-liang Kao <clkao@clkao.org>

COPYRIGHT
	   Licensed to the Apache Software Foundation (ASF) under one
	   or more contributor license agreements.  See	the NOTICE file
	   distributed with this work for additional information
	   regarding copyright ownership.  The ASF licenses this file
	   to you under	the Apache License, Version 2.0	(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.apache.org/licenses/LICENSE-2.0

	   Unless required by applicable law or	agreed to in writing,
	   software distributed	under the License is distributed on an
	   "AS IS" BASIS, WITHOUT WARRANTIES OR	CONDITIONS OF ANY
	   KIND, either	express	or implied.  See the License for the
	   specific language governing permissions and limitations
	   under the License.

perl v5.24.1			  2012-02-22		      native::Delta(3)

NAME | SYNOPSIS | DESCRIPTION | SVN::Delta::Editor | BUGS | AUTHORS | COPYRIGHT

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