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<?php
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// $Id: atom.module,v 1.47 2009/09/21 21:36:40 davereid Exp $
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/**
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* @file
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* Provides an Atom 1.0 feed.
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*
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* @author David Kent Norman
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* @link http://deekayen.net/
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* @author Kristjan Jansen
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* @link http://kika.trip.ee/
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*/
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/**
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* Implement hook_permission().
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*/
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function atom_permission() {
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return array(
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'administer atom' => array(
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'title' => t('Administer Atom feeds and settings'),
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'description' => t('Set the number of items to display and the amount of each to show.')
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)
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);
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}
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/**
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* Implement hook_menu().
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*/
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function atom_menu() {
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$items['atom.xml'] = array(
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'page callback' => 'atom_feed',
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'access arguments' => array('access content'),
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'type' => MENU_CALLBACK,
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'file' => 'atom.pages.inc',
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);
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$items['node/%node/atom.xml'] = array(
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'page callback' => 'atom_node_feed',
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'page arguments' => array(1),
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'access arguments' => array('access content'),
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'type' => MENU_CALLBACK,
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'file' => 'atom.pages.inc',
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);
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if (module_exists('blog')) {
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$items['blog/atom.xml'] = array(
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'page callback' => 'atom_blog_feed',
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'access arguments' => array('access content'),
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'type' => MENU_CALLBACK,
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'file' => 'atom.pages.inc',
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);
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$items['blog/%user/atom.xml'] = array(
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'page callback' => 'atom_user_blog_feed',
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'page arguments' => array(1),
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'access arguments' => array('access content'),
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'type' => MENU_CALLBACK,
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'file' => 'atom.pages.inc',
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);
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}
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if (module_exists('taxonomy')) {
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$items['taxonomy/term/%taxonomy_term/atom.xml'] = array(
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'page callback' => 'atom_taxonomy_feed',
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'page arguments' => array(2),
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'access arguments' => array('access content'),
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'type' => MENU_CALLBACK,
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'file' => 'atom.pages.inc',
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);
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}
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$items['admin/config/services/atom'] = array(
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'title' => 'Atom publishing',
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'description' => 'Configure the number of items per feed and whether feeds should be teasers and/or full-text.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('atom_settings_form'),
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'access arguments' => array('administer atom'),
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'file' => 'atom.admin.inc',
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);
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return $items;
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}
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/**
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* Implement hook_init().
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*/
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function atom_init() {
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if (variable_get('site_offline', 0) || !user_access('access content')) {
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return;
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}
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$link = FALSE;
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if (preg_match('%^blog/\d+$%', $_GET['q'])) {
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$link = 'blog/' . arg(1) . '/atom.xml';
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}
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elseif (preg_match('%^node/\d+$%', $_GET['q'])) {
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$node = node_load(arg(1));
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if ($node && node_access('view', $node)) {
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$link = 'node/' . $node->nid . '/atom.xml';
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}
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}
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elseif (preg_match('%^taxonomy/term/\d+$%', $_GET['q'])) {
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$link = 'taxonomy/term/' . arg(2) . '/atom.xml';
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}
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elseif ($_GET['q'] == 'blog') {
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$link = 'blog/atom.xml';
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}
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elseif (drupal_is_front_page() || $_GET['q'] == 'node') {
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$link = 'atom.xml';
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}
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if ($link) {
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drupal_add_link(array(
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'rel' => 'alternate',
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'type' => 'application/atom+xml',
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'title' => t('!site_name Atom', array('!site_name' => variable_get('site_name', 'Drupal'))),
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'href' => url($link, array('absolute' => TRUE)),
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));
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}
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}
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/**
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* Implement hook_theme().
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*/
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function atom_theme() {
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return array(
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'atom_feed_item' => array(
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'arguments' => array(
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'title' => NULL,
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'link' => NULL,
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'item' => NULL,
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'extra' => array(),
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),
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'file' => 'atom.pages.inc',
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),
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'atom_feed' => array(
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'arguments' => array(
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'feed_info' => array(),
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'items' => '',
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),
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'file' => 'atom.pages.inc',
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),
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);
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}
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/**
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* Load contrib module element handlers.
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*/
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function _atom_contrib_load() {
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static $loaded = FALSE;
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if (!$loaded) {
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// Load all atom contrib module elements handlers from ./contrib
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$path = drupal_get_path('module', 'atom') . '/contrib';
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$files = drupal_system_listing('.*\.inc$', $path, 'name', 0);
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foreach ($files as $file) {
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require_once("./$file->filename");
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}
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// Rebuild cache.
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module_implements('', FALSE, TRUE);
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}
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$loaded = TRUE;
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}
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