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Externalize document-finding code so plugins can use it

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This commit is contained in:
Evan Prodromou 2011-04-18 06:16:32 -04:00
parent 2e75100108
commit ef67262a3f
2 changed files with 132 additions and 66 deletions
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71
actions/doc.php
View File

@ -147,80 +147,19 @@ class DocAction extends Action
{
if (Event::handle('StartLoadDoc', array(&$this->title, &$this->output))) {
$this->filename = $this->getFilename();
$paths = DocFile::defaultPaths();
if (empty($this->filename)) {
$docfile = DocFile::forTitle($this->title, $paths);
if (empty($docfile)) {
// TRANS: Client exception thrown when requesting a document from the documentation that does not exist.
// TRANS: %s is the non-existing document.
throw new ClientException(sprintf(_('No such document "%s".'), $this->title), 404);
}
$c = file_get_contents($this->filename);
$this->output = common_markup_to_html($c);
$this->output = $docfile->toHTML();
Event::handle('EndLoadDoc', array($this->title, &$this->output));
}
}
function getFilename()
{
$localDef = null;
$local = null;
$site = StatusNet::currentSite();
if (!empty($site) && file_exists(INSTALLDIR.'/local/doc-src/'.$site.'/'.$this->title)) {
$localDef = INSTALLDIR.'/local/doc-src/'.$site.'/'.$this->title;
$local = glob(INSTALLDIR.'/local/doc-src/'.$site.'/'.$this->title.'.*');
if ($local === false) {
// Some systems return false, others array(), if dir didn't exist.
$local = array();
}
} else {
if (file_exists(INSTALLDIR.'/local/doc-src/'.$this->title)) {
$localDef = INSTALLDIR.'/local/doc-src/'.$this->title;
}
$local = glob(INSTALLDIR.'/local/doc-src/'.$this->title.'.*');
if ($local === false) {
$local = array();
}
}
if (count($local) || isset($localDef)) {
return $this->negotiateLanguage($local, $localDef);
}
if (file_exists(INSTALLDIR.'/doc-src/'.$this->title)) {
$distDef = INSTALLDIR.'/doc-src/'.$this->title;
}
$dist = glob(INSTALLDIR.'/doc-src/'.$this->title.'.*');
if ($dist === false) {
$dist = array();
}
if (count($dist) || isset($distDef)) {
return $this->negotiateLanguage($dist, $distDef);
}
return null;
}
function negotiateLanguage($filenames, $defaultFilename=null)
{
// XXX: do this better
$langcode = common_language();
foreach ($filenames as $filename) {
if (preg_match('/\.'.$langcode.'$/', $filename)) {
return $filename;
}
}
return $defaultFilename;
}
}

127
lib/docfile.php Normal file
View File

@ -0,0 +1,127 @@
<?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, $paths)
{
if (is_string($paths)) {
$paths = array($paths);
}
$filename = null;
foreach ($paths as $path) {
$def = $path.'/'.$title;
if (!file_exists($def)) {
$def = null;
}
$lang = glob($path.'/'.$title.'.*');
if ($lang === false) {
$lang = array();
}
if (!empty($lang) || !empty($def)) {
$filename = self::negotiateLanguage($lang, $def);
break;
}
}
if (empty($filename)) {
return null;
} else {
return new DocFile($filename);
}
}
function toHTML()
{
if (empty($this->contents)) {
$this->contents = file_get_contents($this->filename);
}
$this->output = common_markup_to_html($this->contents);
}
static function defaultPaths()
{
$paths = array(INSTALLDIR.'/local/doc-src/',
INSTALLDIR.'/doc-src/');
$site = StatusNet::currentSite();
if (!empty($site)) {
array_unshift($paths, INSTALLDIR.'/local/doc-src/'.$site.'/');
}
}
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;
}
}