tweeper.php: make jsonToXml() a static method

[tweeper.git] / tweeper.php

diff --git a/tweeper.php b/tweeper.php
index f1a4ba9..f475856 100644 (file)
--- a/tweeper.php
+++ b/tweeper.php
@@ -65,6 +65,15 @@ class Tweeper {
   }
 
   /**
   }
 
   /**

+   * Convert string to UpperCamelCase.
+   */
+  public static function toUpperCamelCase($str, $delim = ' ') {
+    $str_upper = ucwords($str, $delim);
+    $str_camel_case = str_replace($delim, '', $str_upper);
+    return $str_camel_case;
+  }
+
+  /**

    * Get the contents from a URL.
    */
   private static function getUrlContents($url) {
    * Get the contents from a URL.
    */
   private static function getUrlContents($url) {


@@ -155,7 +164,7 @@ class Tweeper {
   /**
    * Mimic the message from libxml.c::php_libxml_ctx_error_level()
    */
   /**
    * Mimic the message from libxml.c::php_libxml_ctx_error_level()
    */

-  private function logXmlError($error) {
+  private static function logXmlError($error) {

     $output = "";
 
     switch ($error->level) {
     $output = "";
 
     switch ($error->level) {


@@ -196,7 +205,7 @@ class Tweeper {
       return NULL;
     }
 
       return NULL;
     }
 

-    $stylesheet_contents = $this->getUrlContents($stylesheet);
+    $stylesheet_contents = Tweeper::getUrlContents($stylesheet);

 
     $xslDoc = new DOMDocument();
     $xslDoc->loadXML($stylesheet_contents);
 
     $xslDoc = new DOMDocument();
     $xslDoc->loadXML($stylesheet_contents);


@@ -212,7 +221,7 @@ class Tweeper {
   /**
    * Convert json to xml.
    */
   /**
    * Convert json to xml.
    */

-  private function jsonToXml($json, $root_node_name) {
+  private static function jsonToXml($json, $root_node_name) {

     // Apparently the ObjectNormalizer used afterwards is not able to handle
     // the stdClass object created by json_decode() with the default setting
     // $assoc = false; so use $assoc = true.
     // Apparently the ObjectNormalizer used afterwards is not able to handle
     // the stdClass object created by json_decode() with the default setting
     // $assoc = false; so use $assoc = true.


@@ -243,7 +252,7 @@ class Tweeper {
   /**
    * Convert the Instagram content to XML.
    */
   /**
    * Convert the Instagram content to XML.
    */

-  private function get_xml_instagram_com($html) {
+  private function getXmlInstagramCom($html) {

     // Extract the json data from the html code.
     $json_match_expr = '/window._sharedData = (.*);/';
     $ret = preg_match($json_match_expr, $html, $matches);
     // Extract the json data from the html code.
     $json_match_expr = '/window._sharedData = (.*);/';
     $ret = preg_match($json_match_expr, $html, $matches);


@@ -252,13 +261,13 @@ class Tweeper {
       return NULL;
     }
 
       return NULL;
     }
 

-    return $this->jsonToXml($matches[1], 'instagram');
+    return Tweeper::jsonToXml($matches[1], 'instagram');

   }
 
   /**
    * Make the Facebook HTML processable.
    */
   }
 
   /**
    * Make the Facebook HTML processable.
    */

-  private function preprocess_html_facebook_com($html) {
+  private function preprocessHtmlFacebookCom($html) {

     $html = str_replace('<!--', '', $html);
     $html = str_replace('-->', '', $html);
     return $html;
     $html = str_replace('<!--', '', $html);
     $html = str_replace('-->', '', $html);
     return $html;


@@ -274,7 +283,7 @@ class Tweeper {
     $xml_errors_value = libxml_use_internal_errors(TRUE);
 
     // If there is a host-specific method to get the xml data, use it!
     $xml_errors_value = libxml_use_internal_errors(TRUE);
 
     // If there is a host-specific method to get the xml data, use it!

-    $get_xml_host_method = 'get_xml_' . str_replace(".", "_", $host);
+    $get_xml_host_method = 'getXml' . Tweeper::toUpperCamelCase($host, '.');

     if (method_exists($this, $get_xml_host_method)) {
       $xml_data = call_user_func_array(array($this, $get_xml_host_method), array($html));
       $xmlDoc->loadXML($xml_data);
     if (method_exists($this, $get_xml_host_method)) {
       $xml_data = call_user_func_array(array($this, $get_xml_host_method), array($html));
       $xmlDoc->loadXML($xml_data);


@@ -284,7 +293,7 @@ class Tweeper {
     }
 
     foreach (libxml_get_errors() as $xml_error) {
     }
 
     foreach (libxml_get_errors() as $xml_error) {

-      $this->logXmlError($xml_error);
+      Tweeper::logXmlError($xml_error);

     }
     libxml_clear_errors();
     libxml_use_internal_errors($xml_errors_value);
     }
     libxml_clear_errors();
     libxml_use_internal_errors($xml_errors_value);


@@ -310,12 +319,12 @@ class Tweeper {
       return NULL;
     }
 
       return NULL;
     }
 

-    $html = $this->getUrlContents($src_url);
+    $html = Tweeper::getUrlContents($src_url);

     if (FALSE === $html) {
       return NULL;
     }
 
     if (FALSE === $html) {
       return NULL;
     }
 

-    $preprocess_html_host_method = 'preprocess_html_' . str_replace(".", "_", $host);
+    $preprocess_html_host_method = 'preprocessHtml' . Tweeper::toUpperCamelCase($host, '.');

     if (method_exists($this, $preprocess_html_host_method)) {
       $html = call_user_func_array(array($this, $preprocess_html_host_method), array($html));
     }
     if (method_exists($this, $preprocess_html_host_method)) {
       $html = call_user_func_array(array($this, $preprocess_html_host_method), array($html));
     }