gnu-social/lib/util/docfile.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Utility for finding and parsing documentation files
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Documentation
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Utility for finding and parsing documentation files
*
* @category Documentation
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class DocFile
{
protected $filename;
protected $contents;
function __construct($filename)
{
$this->filename = $filename;
}
static function forTitle($title, $paths)
{
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if (!is_array($paths)) {
$paths = array($paths);
}
$filename = null;
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if (Event::handle('StartDocFileForTitle', array($title, &$paths, &$filename))) {
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foreach ($paths as $path) {
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$def = $path.'/'.$title;
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if (!file_exists($def)) {
$def = null;
}
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$lang = glob($path.'/'.$title.'.*');
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if ($lang === false) {
$lang = array();
}
if (!empty($lang) || !empty($def)) {
$filename = self::negotiateLanguage($lang, $def);
break;
}
}
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Event::handle('EndDocFileForTitle', array($title, $paths, &$filename));
}
if (empty($filename)) {
return null;
} else {
return new DocFile($filename);
}
}
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function toHTML($args=null)
{
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if (is_null($args)) {
$args = array();
}
if (empty($this->contents)) {
$this->contents = file_get_contents($this->filename);
}
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return common_markup_to_html($this->contents, $args);
}
static function defaultPaths()
{
$paths = array(INSTALLDIR.'/local/doc-src/',
INSTALLDIR.'/doc-src/');
$site = GNUsocial::currentSite();
if (!empty($site)) {
array_unshift($paths, INSTALLDIR.'/local/doc-src/'.$site.'/');
}
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return $paths;
}
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static function mailPaths()
{
$paths = array(INSTALLDIR.'/local/mail-src/',
INSTALLDIR.'/mail-src/');
$site = GNUsocial::currentSite();
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if (!empty($site)) {
array_unshift($paths, INSTALLDIR.'/local/mail-src/'.$site.'/');
}
return $paths;
}
static function negotiateLanguage($filenames, $defaultFilename=null)
{
// XXX: do this better
$langcode = common_language();
foreach ($filenames as $filename) {
if (preg_match('/\.'.$langcode.'$/', $filename)) {
return $filename;
}
}
return $defaultFilename;
}
}