Rss-Bridge/lib/Format.php

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PHP
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2013-08-11 13:30:41 +02:00
<?php
/**
* All format logic
* Note : adapter are store in other place
*/
interface FormatInterface{
public function stringify();
public function display();
public function setDatas(array $bridge);
}
abstract class FormatAbstract implements FormatInterface{
const DEFAULT_CHARSET = 'UTF-8';
protected
$contentType,
$charset,
$datas,
$extraInfos
;
public function setCharset($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 setDatas(array $datas){
$this->datas = $datas;
return $this;
}
public function getDatas(){
if( !is_array($this->datas) ){
throw new \LogicException('Feed the ' . get_class($this) . ' with "setDatas" method before !');
}
return $this->datas;
}
/**
* 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;
}
}
class Format{
static protected $dirFormat;
public function __construct(){
throw new \LogicException('Please use ' . __CLASS__ . '::create for new object.');
}
static public function create($nameFormat){
if( !static::isValidNameFormat($nameFormat) ){
throw new \InvalidArgumentException('Name format must be at least one uppercase follow or not by alphabetic characters.');
}
$pathFormat = self::getDir() . $nameFormat . '.php';
if( !file_exists($pathFormat) ){
throw new \Exception('The format you looking for does not exist.');
}
require_once $pathFormat;
return new $nameFormat();
}
static public function setDir($dirFormat){
if( !is_string($dirFormat) ){
throw new \InvalidArgumentException('Dir format must be a string.');
}
if( !file_exists($dirFormat) ){
throw new \Exception('Dir format does not exist.');
}
self::$dirFormat = $dirFormat;
}
static public function getDir(){
$dirFormat = self::$dirFormat;
if( is_null($dirFormat) ){
throw new \LogicException(__CLASS__ . ' class need to know format path !');
}
return $dirFormat;
}
static public function isValidNameFormat($nameFormat){
return preg_match('@^[A-Z][a-zA-Z]*$@', $nameFormat);
}
/**
* Read format dir and catch informations about each format depending annotation
* @return array Informations about each format
*/
static public function searchInformation(){
$pathDirFormat = self::getDir();
$listFormat = array();
$searchCommonPattern = array('name');
$dirFiles = scandir($pathDirFormat);
if( $dirFiles !== false ){
foreach( $dirFiles as $fileName ){
if( preg_match('@([^.]+)\.php@U', $fileName, $out) ){ // Is PHP file ?
$infos = array(); // Information about the bridge
$resParse = token_get_all(file_get_contents($pathDirFormat . $fileName)); // Parse PHP file
foreach($resParse as $v){
if( is_array($v) && $v[0] == T_DOC_COMMENT ){ // Lexer node is COMMENT ?
$commentary = $v[1];
foreach( $searchCommonPattern as $name){ // Catch information with common pattern
preg_match('#@' . preg_quote($name, '#') . '\s+(.+)#', $commentary, $outComment);
if( isset($outComment[1]) ){
$infos[$name] = $outComment[1];
}
}
}
}
if( isset($infos['name']) ){ // If informations containt at least a name
$listFormat[$out[1]] = $infos;
}
}
}
}
return $listFormat;
}
}