class EasyBreadcrumbConstants

class EasyBreadcrumbConstants {
    
    /**
     * Module's name.
     */
    const MODULE_NAME = 'easy_breadcrumb';
    
    /**
     * Module's settings.
     */
    const MODULE_SETTINGS = 'easy_breadcrumb.settings';
    
    /**
     * Flag for applying easy breadcrumb to admin routes.
     */
    const APPLIES_ADMIN_ROUTES = 'applies_admin_routes';
    
    /**
     * Flag for including invalid paths while generating the breadcrumb segments.
     */
    const INCLUDE_INVALID_PATHS = 'include_invalid_paths';
    
    /**
     * List of paths to be excluded from the generated segments.
     */
    const EXCLUDED_PATHS = 'excluded_paths';
    
    /**
     * List of titles to replace.
     */
    const REPLACED_TITLES = 'replaced_titles';
    
    /**
     * List of paths for custom breadcrumbs.
     */
    const CUSTOM_PATHS = 'custom_paths';
    
    /**
     * Separator between segments.
     */
    const SEGMENTS_SEPARATOR = 'segments_separator';
    
    /**
     * Flag for including or not the front page as a segment.
     */
    const INCLUDE_HOME_SEGMENT = 'include_home_segment';
    
    /**
     * Alternative title field for breadcrumbs.
     */
    const ALTERNATIVE_TITLE_FIELD = 'alternative_title_field';
    
    /**
     * Title for the front page segment.
     */
    const HOME_SEGMENT_TITLE = 'home_segment_title';
    
    /**
     * Flag for keeping the breadcrumb on the front page.
     */
    const HOME_SEGMENT_KEEP = 'home_segment_keep';
    
    /**
     * Flag for skipping validation for links the same as home page one.
     */
    const HOME_SEGMENT_VALIDATION_SKIP = 'home_segment_validation_skip';
    
    /**
     * Flag for including or not the page's title as a segment.
     */
    const INCLUDE_TITLE_SEGMENT = 'include_title_segment';
    
    /**
     * Flag for printing the page's title as a link, or printing it as a text.
     */
    const TITLE_SEGMENT_AS_LINK = 'title_segment_as_link';
    
    /**
     * Use the page's title when it is available.
     */
    const TITLE_FROM_PAGE_WHEN_AVAILABLE = 'title_from_page_when_available';
    
    /**
     * Transformation mode to apply to the segments.
     */
    const CAPITALIZATOR_MODE = 'capitalizator_mode';
    
    /**
     * List of words to be ignored by the 'capitalizator'. E.g.: of and.
     */
    const CAPITALIZATOR_IGNORED_WORDS = 'capitalizator_ignored_words';
    
    /**
     * List of words to be forced by the 'capitalizator'. E.g.: your brand's name.
     */
    const CAPITALIZATOR_FORCED_WORDS = 'capitalizator_forced_words';
    
    /**
     * List of words to be forced by the 'capitalizator'. E.g.: your brand's name.
     */
    const CAPITALIZATOR_FORCED_WORDS_FIRST_LETTER = 'capitalizator_forced_words_first_letter';
    
    /**
     * Logical value to 'Make the first letters of each segment capitalized'.
     */
    const CAPITALIZATOR_FORCED_WORDS_CASE_SENSITIVITY = 'capitalizator_forced_words_case_sensitivity';
    
    /**
     * Flag for showing the language prefix as its own segment.
     */
    const LANGUAGE_PATH_PREFIX_AS_SEGMENT = 'language_path_prefix_as_segment';
    
    /**
     * Use menu title as fallback.
     */
    const USE_MENU_TITLE_AS_FALLBACK = 'use_menu_title_as_fallback';
    
    /**
     * Use page title as fallback for menu title.
     */
    const USE_PAGE_TITLE_AS_MENU_TITLE_FALLBACK = 'use_page_title_as_menu_title_fallback';
    
    /**
     * Preferred menu to use as menu title source.
     */
    const MENU_TITLE_PREFERRED_MENU = 'menu_title_preferred_menu';
    
    /**
     * Use site title as the front page segment.
     */
    const USE_SITE_TITLE = 'use_site_title';
    
    /**
     * Flag for removing repeated identical segments from the breadcrumb.
     */
    const REMOVE_REPEATED_SEGMENTS = 'remove_repeated_segments';
    
    /**
     * Flag for removing repeated identical segments from the breadcrumb ignoring url information.
     */
    const REMOVE_REPEATED_SEGMENTS_TEXT_ONLY = 'remove_repeated_segments_text_only';
    
    /**
     * Flag for storing absolute path settings.
     */
    const ABSOLUTE_PATHS = 'absolute_paths';
    
    /**
     * Flag for storing single home item settings.
     */
    const HIDE_SINGLE_HOME_ITEM = 'hide_single_home_item';
    
    /**
     * Flag for using term hierarchy.
     */
    const TERM_HIERARCHY = 'term_hierarchy';
    
    /**
     * Flag for adding the breadcrumb as structured to the HTML head.
     */
    const ADD_STRUCTURED_DATA_JSON_LD = 'add_structured_data_json_ld';
    
    /**
     * Follow redirects in case the redirect module is enabled.
     */
    const FOLLOW_REDIRECTS = 'follow_redirects';
    
    /**
     * Limit breadcrumb trail segments.
     */
    const LIMIT_SEGMENT_DISPLAY = 'limit_segment_display';
    
    /**
     * Breadcrumb segment count.
     */
    const SEGMENT_DISPLAY_LIMIT = 'segment_display_limit';
    
    /**
     * Breadcrumb truncator mode.
     */
    const TRUNCATOR_MODE = 'truncator_mode';
    
    /**
     * Breadcrumb truncator length.
     */
    const TRUNCATOR_LENGTH = 'truncator_length';
    
    /**
     * Breadcrumbs truncator dots.
     */
    const TRUNCATOR_DOTS = 'truncator_dots';
    
    /**
     * Default list of excluded paths.
     *
     * @return array
     *   Default list of ignored paths.
     */
    public static function defaultExcludedPaths() {
        static $default_excluded_paths = [
            'search',
            'search/node',
        ];
        return $default_excluded_paths;
    }
    
    /**
     * Default list of replaced titles.
     *
     * @return array
     *   Default list of replaced titles.
     */
    public static function defaultReplacedTitles() {
        return [];
    }
    
    /**
     * Default list of replaced paths.
     *
     * @return array
     *   Default list of replaced paths.
     */
    public static function defaultCustomPaths() {
        return [];
    }

}