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- <?php
- require_once(__DIR__ . '/FormatInterface.php');
- abstract class FormatAbstract implements FormatInterface {
- const DEFAULT_CHARSET = 'UTF-8';
- protected
- $contentType,
- $charset,
- $items,
- $extraInfos;
- public function setCharset($charset){
- $this->charset = $charset;
- return $this;
- }
- public function getCharset(){
- $charset = $this->charset;
- return is_null($charset) ? self::DEFAULT_CHARSET : $charset;
- }
- protected function setContentType($contentType){
- $this->contentType = $contentType;
- return $this;
- }
- protected function callContentType(){
- header('Content-Type: ' . $this->contentType);
- }
- public function display(){
- echo $this->stringify();
- return $this;
- }
- public function setItems(array $items){
- $this->items = array_map(array($this, 'array_trim'), $items);
- return $this;
- }
- public function getItems(){
- if(!is_array($this->items))
- throw new \LogicException('Feed the ' . get_class($this) . ' with "setItems" method before !');
- return $this->items;
- }
- /**
- * Define common informations can be required by formats and set default value for unknow values
- * @param array $extraInfos array with know informations (there isn't merge !!!)
- * @return this
- */
- public function setExtraInfos(array $extraInfos = array()){
- foreach(array('name', 'uri') as $infoName){
- if( !isset($extraInfos[$infoName]) ){
- $extraInfos[$infoName] = '';
- }
- }
- $this->extraInfos = $extraInfos;
- return $this;
- }
- /**
- * Return extra infos
- * @return array See "setExtraInfos" detail method to know what extra are disponibles
- */
- public function getExtraInfos(){
- if( is_null($this->extraInfos) ){ // No extra info ?
- $this->setExtraInfos(); // Define with default value
- }
- return $this->extraInfos;
- }
- /**
- * Sanitized html while leaving it functionnal.
- * The aim is to keep html as-is (with clickable hyperlinks)
- * while reducing annoying and potentially dangerous things.
- * Yes, I know sanitizing HTML 100% is an impossible task.
- * Maybe we'll switch to http://htmlpurifier.org/
- * or http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed/index.php
- */
- protected function sanitizeHtml($html)
- {
- $html = str_replace('<script','<‌script',$html); // Disable scripts, but leave them visible.
- $html = str_replace('<iframe','<‌iframe',$html);
- $html = str_replace('<link','<‌link',$html);
- // We leave alone object and embed so that videos can play in RSS readers.
- return $html;
- }
- protected function array_trim($elements){
- foreach($elements as $key => $value){
- if(is_string($value))
- $elements[$key] = trim($value);
- }
- return $elements;
- }
- }
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