indefero/src/IDF/Scm/Monotone/ZipRender.php

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<?php
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
# ***** BEGIN LICENSE BLOCK *****
# This file is part of InDefero, an open source project management application.
# Copyright (C) 2010 Céondo Ltd and contributors.
#
# Plume Framework is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Plume Framework 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 program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# ***** END LICENSE BLOCK ***** */
require_once(IDF_PATH.'/../contrib/zipstream-php-0.2.2/zipstream.php');
/**
* Special response object to output
*
* The Content-Length will not be set as it is not possible to predict it.
*
* Note: The ZipArchive version 0.2.2 has been patched in-tree with this
* patch http://pastebin.ca/1977584 to avoid a couple of PHP notices
*
*/
class IDF_Scm_Monotone_ZipRender extends Pluf_HTTP_Response
{
/**
* The revision argument must be a safe string!
*
* @param Object stdio context
* @param string revision
* @param string Mimetype (null)
*/
private $stdio = null;
private $revision = null;
function __construct($stdio, $revision)
{
parent::__construct($revision, 'application/x-zip');
$this->stdio = $stdio;
$this->revision = $revision;
}
/**
* Render a response object.
*/
function render($output_body=true)
{
$this->outputHeaders();
if ($output_body) {
$manifest = $this->stdio->exec(array('get_manifest_of', $this->revision));
$stanzas = IDF_Scm_Monotone_BasicIO::parse($manifest);
$zip = new ZipStream();
foreach ($stanzas as $stanza) {
if ($stanza[0]['key'] != 'file')
continue;
$content = $this->stdio->exec(array('get_file', $stanza[1]['hash']));
$zip->add_file($stanza[0]['values'][0], $content);
}
$zip->finish();
}
}
}