mirror of
https://github.com/silverstripe/silverstripe-docsviewer
synced 2024-10-22 11:05:56 +02:00
584 lines
15 KiB
PHP
584 lines
15 KiB
PHP
<?php
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/**
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* DocumentationService
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*
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* Handles the management of the documentation services delivered by the module.
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* Includes registering which components to document and handles the entities being
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* documented
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*
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* @todo - unregistering a lang / version from site does not update the registered_* arrays
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* - handle modules (rather than core) differently
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* @package sapphiredocs
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*/
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class DocumentationService {
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/**
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* A mapping of know / popular languages to nice titles.
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*
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* @var Array
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*/
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private static $language_mapping = array(
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'en' => 'English',
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'fr' => 'French',
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'de' => 'German'
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);
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/**
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* Files to ignore from any documentation listing.
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*
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* @var array
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*/
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private static $ignored_files = array('.', '..', '.DS_Store', '.svn', '.git', 'assets', 'themes', '_images');
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/**
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* Case insenstive values to use as extensions on markdown pages.
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*
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* @var array
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*/
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public static $valid_markdown_extensions = array('.md', '.txt', '.markdown');
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/**
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* Registered modules to include in the documentation. Either pre-filled by the
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* automatic filesystem parser or via {@link DocumentationService::register()}. Stores
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* {@link DocumentEntity} objects which contain the languages and versions of each module.
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*
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* You can remove registered modules using {@link DocumentationService::unregister()}
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*
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* @var array
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*/
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private static $registered_modules = array();
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/**
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* Major Versions store. We don't want to register all versions of every module in
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* the documentation but for sapphire/cms and overall we need to register major
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* versions via {@link DocumentationService::register}
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*
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* @var array
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*/
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private static $major_versions = array();
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/**
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* Return the major versions
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*
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* @return array
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*/
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public static function get_major_versions() {
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return self::$major_versions;
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}
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/**
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* Return the allowed extensions
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*
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* @return array
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*/
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public static function get_valid_extensions() {
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return self::$valid_markdown_extensions;
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}
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/**
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* Set the ignored files list
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*
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* @param array
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*/
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public function set_ignored_files($files) {
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self::$ignored_files = $files;
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}
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/**
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* Return the list of files which are ignored
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*
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* @return array
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*/
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public function get_ignored_files() {
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return self::$ignored_files;
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}
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/**
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* Check to see if a given language is registered in the system
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*
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* @param string
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* @return bool
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*/
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public static function is_registered_language($lang) {
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$langs = self::get_registered_languages();
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return (isset($langs[$lang]));
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}
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/**
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* Get all the registered languages. Optionally limited to a module. Includes
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* the nice titles
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*
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* @return Array
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*/
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public static function get_registered_languages($module = false) {
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$langs = array();
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if($module) {
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if(isset(self::$registered_modules[$module])) {
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$langs = self::$registered_modules[$module]->getLanguages();
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}
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}
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else if($modules = self::get_registered_modules()) {
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foreach($modules as $module) {
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$langs = array_unique(array_merge($langs, $module->getLanguages()));
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}
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}
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$output = array();
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foreach($langs as $lang) {
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$output[$lang] = self::get_language_title($lang);
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}
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return $output;
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}
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/**
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* Returns all the registered versions in the system. Optionally only
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* include versions from a module.
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*
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* @param String $module module to check for versions
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* @return array
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*/
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public static function get_registered_versions($module = false) {
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if($module) {
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if(isset($registered_modules[$module])) {
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return $registered_modules[$module]->getVersions();
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}
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else {
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return false;
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}
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}
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return self::$major_versions;
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}
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/**
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* Should generation of documentation categories be automatic. If this
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* is set to true then it will generate documentation sections (modules) from
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* the filesystem. This can be slow and also some projects may want to restrict
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* to specific project folders (rather than everything).
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*
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* You can also disable or remove a given folder from registration using
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* {@link DocumentationService::unregister()}
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*
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* @see DocumentationService::$registered_modules
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* @see DocumentationService::set_automatic_registration();
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*
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* @var bool
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*/
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private static $automatic_registration = true;
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/**
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* Set automatic registration of modules and documentation folders
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*
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* @see DocumentationService::$automatic_registration
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* @param bool
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*/
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public static function set_automatic_registration($bool = true) {
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self::$automatic_registration = $bool;
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if(!$bool) {
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// remove current registed modules when disabling automatic registration
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// needed to avoid caching issues when running all the tests
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self::$registered_modules = array();
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}
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}
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/**
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* Is automatic registration of modules enabled.
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*
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* @return bool
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*/
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public static function automatic_registration_enabled() {
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return self::$automatic_registration;
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}
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/**
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* Return the modules which are listed for documentation. Optionally only get
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* modules which have a version or language given
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*
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* @return array
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*/
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public static function get_registered_modules($version = false, $lang = false) {
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$output = array();
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if($modules = self::$registered_modules) {
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if($version || $lang) {
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foreach($modules as $module) {
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if(self::is_registered_module($module->getModuleFolder(), $version, $lang)) {
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$output[] = $module;
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}
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}
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}
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else {
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$output = $modules;
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}
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}
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return $output;
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}
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/**
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* Check to see if a module is registered with the documenter
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*
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* @param String $module module name
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* @param String $version version
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* @param String $lang language
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*
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* @return DocumentationEntity $module the registered module
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*/
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public static function is_registered_module($module, $version = false, $lang = false) {
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$check = ($module instanceof DocumentationEntity) ? $module->getModuleFolder() : (string) $module;
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if(isset(self::$registered_modules[$check])) {
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$module = self::$registered_modules[$check];
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if(($lang && !$module->hasLanguage($lang)) || ($version && !$module->hasVersion($version))) {
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return false;
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}
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return $module;
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}
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return false;
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}
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/**
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* Register a module to be included in the documentation. To unregister a module
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* use {@link DocumentationService::unregister()}. Must include the trailing slash
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*
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* @param String $module Name of module to register
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* @param String $path Path to documentation root.
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* @param Float $version Version of module.
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* @param String $title Nice title to use
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* @param bool $major is this a major release
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*
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* @throws InvalidArgumentException
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*
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* @return DocumentationEntity
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*/
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public static function register($module, $path, $version = '', $title = false, $major = false) {
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if(!file_exists($path)) throw new InvalidArgumentException(sprintf('Path "%s" doesn\'t exist', $path));
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// add the module to the registered array
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if(!isset(self::$registered_modules[$module])) {
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// module is completely new
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$entity = new DocumentationEntity($module, $version, $path, $title);
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self::$registered_modules[$module] = $entity;
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}
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else {
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// module exists so add the version to it
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$entity = self::$registered_modules[$module];
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$entity->addVersion($version, $path, true);
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}
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if($major) {
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if(!$version) $version = '';
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if(!in_array($version, self::$major_versions)) {
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self::$major_versions[] = $version;
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}
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}
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return $entity;
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}
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/**
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* Unregister a module from being included in the documentation. Useful
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* for keeping {@link DocumentationService::$automatic_registration} enabled
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* but disabling modules which you do not want to show. Combined with a
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* {@link Director::isLive()} you can hide modules you don't want a client to see.
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*
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* If no version or lang specified then the whole module is removed. Otherwise only
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* the specified version of the documentation.
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*
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* @param String $module
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* @param String $version
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*
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* @return bool
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*/
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public static function unregister($moduleName, $version = '') {
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if(isset(self::$registered_modules[$moduleName])) {
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$module = self::$registered_modules[$moduleName];
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if($version) {
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$module->removeVersion($version);
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}
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else {
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// only given a module so unset the whole module
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unset(self::$registered_modules[$moduleName]);
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}
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return true;
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}
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return false;
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}
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/**
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* Register the docs from off a file system if automatic registration is turned on.
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*/
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public static function load_automatic_registration() {
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if(self::automatic_registration_enabled()) {
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$modules = scandir(BASE_PATH);
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if($modules) {
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foreach($modules as $key => $module) {
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if(is_dir(BASE_PATH .'/'. $module) && !in_array($module, self::get_ignored_files(), true)) {
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// check to see if it has docs
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$docs = BASE_PATH .'/'. $module .'/docs/';
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if(is_dir($docs)) {
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self::register($module, $docs, '', $module, true);
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}
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}
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}
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}
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}
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}
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/**
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* Convert a language code to a 'nice' text string. Uses the
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* {@link self::$language_mapping} array combined with translatable.
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*
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* @param String $code code
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*/
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public static function get_language_title($lang) {
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return (isset(self::$language_mapping[$lang])) ? _t("DOCUMENTATIONSERVICE.LANG-$lang", self::$language_mapping[$lang]) : $lang;
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}
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/**
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* Find a documentation page given a path and a file name. It ignores the extensions
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* and simply compares the title.
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*
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* Name may also be a path /install/foo/bar.
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*
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* @param DocumentationEntity
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* @param array exploded url string
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*
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* @return String|false - File path
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*/
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static function find_page($module, $path) {
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if($module = self::is_registered_module($module)) {
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return self::find_page_recursive($module->getPath(), $path);
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}
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return false;
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}
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/**
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* Recursive function for finding the goal of a path to a documentation
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* page
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*
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* @return string
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*/
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private static function find_page_recursive($base, $goal) {
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$handle = opendir($base);
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$name = strtolower(array_shift($goal));
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if(!$name || $name == '/') $name = 'index';
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if($handle) {
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$extensions = DocumentationService::get_valid_extensions();
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// ensure we end with a slash
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$base = rtrim($base, '/') .'/';
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while (false !== ($file = readdir($handle))) {
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if(in_array($file, DocumentationService::get_valid_extensions())) continue;
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$formatted = strtolower($file);
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// if the name has a . then take the substr
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$formatted = ($pos = strrpos($formatted, '.')) ? substr($formatted, 0, $pos) : $formatted;
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if($dot = strrpos($name, '.')) {
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if(in_array(substr($name, $dot), self::get_valid_extensions())) {
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$name = substr($name, 0, $dot);
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}
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}
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// the folder is the one that we are looking for.
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if(strtolower($name) == strtolower($formatted)) {
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// if this file is a directory we could be displaying that
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// or simply moving towards the goal.
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if(is_dir($base . $file)) {
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$base = $base . trim($file, '/') .'/';
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// if this is a directory check that there is any more states to get
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// to in the goal. If none then what we want is the 'index.md' file
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if(count($goal) > 0) {
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return self::find_page_recursive($base, $goal);
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}
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else {
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// recurse but check for an index.md file next time around
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return self::find_page_recursive($base, array('index'));
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}
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}
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else {
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// goal state. End of recursion.
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// tidy up the URLs with single trailing slashes
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$result = $base . ltrim($file, '/');
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if(is_dir($result)) $result = (rtrim($result, '/') . '/');
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return $result;
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}
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}
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}
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}
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closedir($handle);
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return false;
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}
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/**
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* String helper for cleaning a file name to a readable version.
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*
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* @param String $name to convert
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*
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* @return String $name output
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*/
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public static function clean_page_name($name) {
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// remove dashs and _
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$name = str_replace(array('-', '_'), ' ', $name);
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// remove extension
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$name = self::trim_extension_off($name);
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// if it starts with a number strip and contains a space strip it off
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if(strpos($name, ' ') !== false) {
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$space = strpos($name, ' ');
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$short = substr($name, 0, $space);
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if(is_numeric($short)) {
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$name = substr($name, $space);
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}
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}
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// convert first letter
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return ucfirst(trim($name));
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}
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/**
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* Helper function to strip the extension off.
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* Warning: Doesn't work if the filename includes dots,
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* but no extension, e.g. "2.4.0-alpha" will return "2.4".
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*
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* @param string
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*
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* @return string
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*/
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public static function trim_extension_off($name) {
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$hasExtension = strrpos($name, '.');
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if($hasExtension !== false && $hasExtension > 0) {
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$shorted = substr($name, $hasExtension);
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// can remove the extension only if we know how
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// to read it again
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if(in_array(rtrim($shorted, '/'), self::get_valid_extensions())) {
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$name = substr($name, 0, $hasExtension);
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}
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}
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return $name;
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}
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/**
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* Return the children from a given module sorted by Title using natural ordering.
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* It is used for building the tree of the page.
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*
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* @param DocumentationEntity path
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* @param string - an optional path within a module
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* @param bool enable several recursive calls (more than 1 level)
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*
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* @throws Exception
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* @return DataObjectSet
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*/
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public static function get_pages_from_folder($module, $relativePath = false, $recursive = true) {
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// var_dump("START: get pages from $module | $relativePath");
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$output = new DataObjectSet();
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$pages = array();
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if(!$module instanceof DocumentationEntity) user_error("get_pages_from_folder must be passed a module", E_USER_ERROR);
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if(self::is_registered_module($module)) {
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self::get_pages_from_folder_recursive($module->getPath(), $relativePath, $recursive, $pages);
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}
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else {
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return user_error("$module is not registered", E_USER_WARNING);
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}
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if(count($pages) > 0) {
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natsort($pages);
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foreach($pages as $key => $path) {
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// get file name from the path
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$file = ($pos = strrpos($path, '/')) ? substr($path, $pos + 1) : $path;
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$page = new DocumentationPage();
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$page->setTitle(self::clean_page_name($file));
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$relative = str_replace($module->getPath(), '', $path);
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$page->setEntity($module);
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$page->setRelativePath($relative);
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// var_dump("ADDING FILE: ". $relative . " [$path]");
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$output->push($page);
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}
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}
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// var_dump("END get pages");
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return $output;
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}
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/**
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* Recursively search through $folder
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*
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*/
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private static function get_pages_from_folder_recursive($base, $relative, $recusive, &$pages) {
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if(!is_dir($base)) throw new Exception(sprintf('%s is not a folder', $folder));
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$folder = Controller::join_links($base, $relative);
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if(!is_dir($folder)) return false;
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$handle = opendir($folder);
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if($handle) {
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$extensions = self::get_valid_extensions();
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$ignore = self::get_ignored_files();
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$files = array();
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while (false !== ($file = readdir($handle))) {
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if(!in_array($file, $ignore)) {
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$path = Controller::join_links($folder, $file);
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$relativeFilePath = Controller::join_links($relative, $file);
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if(is_dir($path)) {
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$pages[] = $relativeFilePath;
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if($recusive) self::get_pages_from_folder_recursive($base, $relativeFilePath, $recusive, $pages);
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}
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|
else if(in_array(substr($file, (strrpos($file, '.'))), $extensions)) {
|
|
$pages[] = $relativeFilePath;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
closedir($handle);
|
|
}
|
|
} |