comicpress-2.8/classes/ComicPressMediaHandling.inc

230 lines
6.1 KiB
PHP

<?php
class ComicPressMediaHandling {
var $root_filter = '%wordpress%/%type-folder%/';
var $default_filter = '%wordpress%/%type-folder%/{date}*.*';
var $default_filename_filter = '%date-Y-m-d%';
function _bundle_global_variables() {
global $comic_folder, $archive_comic_folder, $rss_comic_folder, $mini_comic_folder;
$bundle = array();
foreach (array('comic', 'archive', 'rss', 'mini') as $which) {
switch ($which) {
case 'comic':
$bundle['comic'] = $comic_folder;
break;
default:
$bundle[$which] = ${"${which}_comic_folder"};
break;
}
}
return $bundle;
}
function _get_filter($filter_to_use = null) {
global $comic_filename_filters;
if (!is_null($filter_to_use)) {
if (is_string($filter_to_use)) {
if (isset($comic_filename_filters[$filter_to_use])) {
return $this->_convert_to_percent_filter($comic_filename_filters[$filter_to_use]);
}
}
}
$filter = $this->default_filter;
if ($result = get_option('comicpress-manager-cpm-date-format')) {
$filter = str_replace('{date}', "%date-${result}%", $filter);
} else {
$filter = str_replace('{date}', $this->default_filename_filter, $filter);
}
return $filter;
}
function _convert_to_percent_filter($old) {
if (strpos(strtolower($old), '%wordpress%') !== 0) {
$old = str_replace('{date}', '%date-Y-m-d%', $old);
return $this->root_filter . $old;
}
return $old;
}
function _expand_filter($filter, $type_folder, $override_post = null) {
global $post;
$this->post_to_use = !is_null($override_post) ? $override_post : $post;
$this->type_folder = $type_folder;
$result = preg_replace_callback('#%([a-z0-9-]+)%#i', array(&$this, '_expand_filter_callback'), $filter);
$result = str_replace('.', '\.', $result);
$result = str_replace('*', '.*', $result);
unset($this->post_to_use);
unset($this->type_folder);
return $result;
}
function _get_regex_dirname($input) {
return dirname($this->_resolve_regex_path($input));
}
function _get_regex_filename($input) {
$input = preg_replace('#\\\(?![.])#', '/', $input);
return preg_replace('#^.*\/([^\/]+)$#', '$1', $input);
}
function _resolve_regex_path($input) {
$input = str_replace('\.', '.', $input);
$input = str_replace('\\', '/', $input);
return $input;
}
// @codeCoverageIgnoreStart
function _abspath() {
return trailingslashit($this->_resolve_regex_path(realpath(ABSPATH)));
}
// @codeCoverageIgnoreEnd
function _expand_filter_callback($matches) {
$value = '';
switch (strtolower($matches[1])) {
case 'wordpress':
$value = untrailingslashit($this->_abspath());
break;
case 'type-folder':
$value = $this->type_folder;
break;
default:
if (preg_match('#^date-(.*)$#', $matches[1], $date_matches) > 0) {
if (isset($this->post_to_use)) {
$value = date($date_matches[1], strtotime($this->post_to_use->post_date));
break;
}
}
$value = $matches[0];
break;
}
return apply_filters('comicpress_expand_filter_callback', $value, $matches);
}
function _read_directory($pattern) {
$dirname = $this->_get_regex_dirname($pattern);
$results = false;
if (is_dir($dirname)) {
$results = array();
if (($dh = opendir($dirname)) !== false) {
$filename_pattern = str_replace('#', '\#', $this->_get_regex_filename($pattern));
while (($file = readdir($dh)) !== false) {
$target = $dirname . '/' . $file;
if (is_file($target)) {
if (preg_match("#^${filename_pattern}$#", $file) > 0) {
$results[] = $target;
}
}
}
closedir($dh);
}
}
return $results;
}
function _check_post_meta_data($post_to_use, $type) {
if ($result = get_post_meta($post_to_use->ID, "backend_url_${type}", true)) {
if (is_string($result)) {
return $result;
}
}
if ($result = get_post_meta($post_to_use->ID, "backend_url_images", true)) {
$types = false;
if (is_string($result)) {
parse_str($result, $types);
}
if (is_array($result)) {
$types = $result;
}
if (is_array($types)) {
if (isset($types[$type])) {
return $types[$type];
}
}
}
if ($result = get_post_meta($post_to_use->ID, "backend_url", true)) {
if (is_string($result)) {
return $result;
}
}
return false;
}
function _ensure_valid_uri($uri, $type) {
if (!empty($uri)) {
if (substr($uri, 0, 1) == '/') {
return $uri;
} else {
if (preg_match('#^[a-z]+://#', $uri) > 0) {
return $uri;
} else {
$bundle = $this->_bundle_global_variables();
if (isset($bundle[$type])) {
$this->type_folder = $bundle[$type];
} else {
$this->type_folder = '';
}
$uri = preg_replace_callback('#%([a-z0-9-]+)%#i', array(&$this, '_expand_filter_callback'), $uri);
return $uri;
}
}
}
return false;
}
/**
* Get the comic path.
* @param string $type The type to retrieve.
* @param object $override_post The post to use in place of the Loop post.
* @param string $filter The filter to use.
* @param boolean $multi If true, return all matching files.
* @return string|array|boolean A single comic URI relative to the WordPress base, multiple comic URIs, or false if an error occurred.
*/
function get_comic_path($type = 'comic', $override_post = null, $filter = 'default', $multi = false) {
global $post;
$post_to_use = !is_null($override_post) ? $override_post : $post;
if ($uri = $this->_check_post_meta_data($post_to_use, $type)) {
if ($result = $this->_ensure_valid_uri($uri, $type)) {
return preg_replace('#^/#', '', $result);
}
}
$filter = $this->_get_filter($filter);
$globals = $this->_bundle_global_variables();
if (isset($globals[$type])) {
$filter = $this->_expand_filter($filter, $globals[$type], $post_to_use);
if (is_array($results = $this->_read_directory($filter))) {
if (($pre_handle = apply_filters('comicpress_pre_handle_comic_path_results', false, $results, $type, $post_to_use)) !== false) {
return $pre_handle;
}
$new_results = array();
foreach ($results as $result) {
$new_results[] = str_replace($this->_abspath(), '', $result);
}
if ($multi) {
return $new_results;
} else {
return reset($new_results);
}
}
}
return false;
}
}