151 lines
3 KiB
PHP
151 lines
3 KiB
PHP
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<?php
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/**
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* Content
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*
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* @package Kirby CMS
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* @author Bastian Allgeier <bastian@getkirby.com>
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* @link http://getkirby.com
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* @copyright Bastian Allgeier
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* @license http://getkirby.com/license
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*/
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abstract class ContentAbstract {
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public $page = null;
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public $root = null;
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public $raw = null;
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public $data = array();
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public $fields = array();
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public $name = null;
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/**
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* Constructor
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*/
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public function __construct($page, $root) {
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$this->page = $page;
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$this->root = $root;
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$this->name = pathinfo($root, PATHINFO_FILENAME);
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// stop at invalid files
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if(empty($this->root) or !is_file($this->root) or !is_readable($this->root)) return;
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// read the content file and remove the BOM
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$this->raw = str_replace(BOM, '', file_get_contents($this->root));
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// explode all fields by the line separator
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$fields = preg_split('!\n----\s*\n*!', $this->raw);
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// loop through all fields and add them to the content
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foreach($fields as $field) {
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$pos = strpos($field, ':');
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$key = str_replace(array('-', ' '), '_', strtolower(trim(substr($field, 0, $pos))));
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// Don't add fields with empty keys
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if(empty($key)) continue;
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// add the key to the fields list
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$this->fields[] = $key;
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// add the key object
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$this->data[$key] = new Field($this->page, $key, trim(substr($field, $pos+1)));
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}
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}
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/**
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* Returns the root for the content file
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*/
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public function root() {
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return $this->root;
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}
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/**
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* Returns the name of the content file
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* without the extension. This is
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* being used to determine the template for the page
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*
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* @return string
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*/
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public function name() {
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return $this->name;
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}
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/**
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* Returns an array with all
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* field names
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*
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* @return array3
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*/
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public function fields() {
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return $this->fields;
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}
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/**
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* Returns the raw content from the file
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*
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* @return string
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*/
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public function raw() {
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return $this->raw;
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}
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/**
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* Returns the entire data array
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* with all field objects
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*
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* @return array
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*/
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public function data() {
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return $this->data;
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}
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/**
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* Checks if the content file exists
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*
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* @return boolean
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*/
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public function exists() {
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return file_exists($this->root);
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}
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/**
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* Gets a field from the content
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*
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* @return Field
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*/
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public function get($key, $arguments = null) {
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// case-insensitive data fetching
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$key = strtolower($key);
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if(isset($this->data[$key])) {
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return $this->data[$key];
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} else {
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// return an empty field as default
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return new Field($this->page, $key);
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}
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}
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/**
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* Checks if a field exists
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*
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* @param string $key
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* @return boolean
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*/
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public function has($key) {
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return isset($this->data[strtolower($key)]);
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}
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public function __call($method, $arguments = null) {
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return $this->get($method, $arguments);
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}
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public function toArray() {
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return array_map(function($item) {
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return $item->value;
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}, $this->data);
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}
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}
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