matthewdpklanier > Alien-SVN-1.6.12.0 > SVN::Delta

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Source   Latest Release: Alien-SVN-v1.7.17.1

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 ^

Copyright (c) 2003 CollabNet. All rights reserved.

This software is licensed as described in the file COPYING, which you should have received as part of this distribution. The terms are also available at http://subversion.tigris.org/license-1.html. If newer versions of this license are posted there, you may use a newer version instead, at your option.

This software consists of voluntary contributions made by many individuals. For exact contribution history, see the revision history and logs, available at http://subversion.tigris.org/.

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