feedforall_parse_itunes.inc.php

for news RSS to HTML as ASP

<?php
//
// rss2html.php RSS feed to HTML webpage script
//
// Copyright 2007 NotePage, Inc. all rights reserved
// http://www.feedforall.com
//
// NotePage, Inc. grants registerd users of our FeedForAll and/or
// FeedForAll Mac product(s) the right to install and use the
// FeedForAll_rss2html_pro.php script free of charge.  
// Please refer to the EULA included in the download for full license
// terms and conditions.
//
// $Id: FeedForAll_parse_iTunes.inc.php,v 3.0 2007/04/16 14:23:03 housley Exp $
//
// $Log: FeedForAll_parse_iTunes.inc.php,v $
// Revision 3.0  2007/04/16 14:23:03  housley
// Release version 3.0 of the scripts
//
// Revision 2.8  2007/04/16 12:38:22  housley
// Shorten the class name add-on to prevent it from becoming too long
//
// Revision 2.7  2007/03/30 13:18:33  housley
// Use getArrayOfFields() and getValueOf() to simplfy tag replacement, except
// where special processing needs to be done
//
// Revision 2.6  2007/03/15 13:50:34  housley
// * Clear the current tag, in endElement()
// * Trim the feed level items at end of channel
//
// Revision 2.5  2007/03/07 02:11:59  housley
// Add parsing the TrackBack extension
//
// Revision 2.4  2007/03/04 22:54:03  housley
// Add methods to get the filter capabilities
//
// Revision 2.3  2007/03/04 13:41:53  housley
// * Pass the parsing mode to the item class
// * Cleanup the feed level processing
// * rss2html uses the separate parser too
//
// Revision 2.2  2007/03/04 02:10:08  housley
// Move the parser used by the paid scripts into its own file.
//
// Revision 2.1  2007/03/03 21:10:09  housley
// * Make the item a full class object
// * Support parsing the iTunes(R) extension
//
//

Function FeedForAll_parse_iTunes_extendClass($className) {
  $newClassName = $className."_iT";
  eval('class ' . $newClassName . ' extends ' . $className . ' {
    var $iTunes_subtitle;
    var $iTunes_summary;
    var $iTunes_keywords;
    var $iTunes_author;
    var $iTunes_explicit;
    var $iTunes_blocked;
    var $iTunes_duration;
    var $iTunesUsed;
    
    Function ' . $newClassName . '($operateAs) {
      $this->iTunes_subtitle = "";
      $this->iTunes_summary = "";
      $this->iTunes_keywords = "";
      $this->iTunes_author = "";
      $this->iTunes_explicit = "";
      $this->iTunes_blocked = "";
      $this->iTunes_duration = "";
      $this->iTunesUsed = 0;
      
      // Call the parent constructor
      $this->' . $className . '($operateAs);
    }
    
    Function getValueOf($elementName) {
      if ($elementName == "~~~ItemiTunesSubtitle~~~") {
        return $this->iTunes_subtitle;
      }
      elseif ($elementName == "~~~ItemiTunesSummary~~~") {
        return $this->iTunes_summary;
      }
      elseif ($elementName == "~~~ItemiTunesDuration~~~") {
        return $this->iTunes_duration;
      }
      elseif ($elementName == "~~~ItemiTunesKeywords~~~") {
        return $this->iTunes_keywords;
      }
      elseif ($elementName == "~~~ItemiTunesAuthor~~~") {
        return $this->iTunes_author;
      }
      elseif ($elementName == "~~~ItemiTunesExplicit~~~") {
        return $this->iTunes_explicit;
      }
      elseif ($elementName == "~~~ItemiTunesBlocked~~~") {
        return $this->iTunes_blocked;
      } else {
        return parent::getValueOf($elementName);
      }
      return NULL;
    }
    
    Function getArrayOfFields() {
      $result = Array();
      
      $result[] = "~~~ItemiTunesSubtitle~~~";
      $result[] = "~~~ItemiTunesSummary~~~";
      $result[] = "~~~ItemiTunesDuration~~~";
      $result[] = "~~~ItemiTunesKeywords~~~";
      $result[] = "~~~ItemiTunesAuthor~~~";
      $result[] = "~~~ItemiTunesExplicit~~~";
      $result[] = "~~~ItemiTunesBlocked~~~";
      
      $merged = array_merge(parent::getArrayOfFields(), $result);
      sort($merged);
      return $merged;
    }
  }');
  return $newClassName;
}

Function FeedForAll_parse_iTunes_extendParserClass($className) {
  $newClassName = $className."_iT";
  eval('class ' . $newClassName . ' extends ' . $className . ' {
    var $iTunes_categoryLevel = 0;
    var $iTunes_category = "";
  
    var $iTunes_subtitle;
    var $iTunes_summary;
    var $iTunes_categoryArray = Array();
    var $iTunes_keywords;
    var $iTunes_author;
    var $iTunes_ownerName;
    var $iTunes_ownerEmail;
    var $iTunes_image;
    var $iTunes_explicit;
    var $iTunes_blocked;
    var $iTunesUsed;
    
    Function ' . $newClassName . '($operateAs) {
      $this->iTunes_categoryLevel = 0;
      $this->iTunes_category = "";
  
      $this->iTunes_subtitle = "";
      $this->iTunes_summary = "";
      $this->iTunes_categoryArray = Array();
      $this->iTunes_keywords = "";
      $this->iTunes_author = "";
      $this->iTunes_ownerName = "";
      $this->iTunes_ownerEmail = "";
      $this->iTunes_image = "";
      $this->iTunes_explicit = "";
      $this->iTunes_blocked = "";
      $this->iTunesUsed = 0;
      
      // Call the parent constructor
      $this->' . $className . '($operateAs);
    }
  }');
  return $newClassName;
}

Function FeedForAll_parse_iTunes_startElemend($parser, &$_this, $tagName, $attrs) {
  if ($_this->insideChannel) {
    if ($tagName == "ITUNES:IMAGE") {
      $_this->iTunesUsed = 1;
      if (isset($attrs["HREF"])) {
        $_this->iTunes_image = $attrs["HREF"];
      }
    }
    elseif ($tagName == "ITUNES:CATEGORY") {
      $_this->iTunesUsed = 1;
      if ($_this->iTunes_categoryLevel == 0) {
        $_this->iTunes_category = $attrs["TEXT"];
      } else {
        $_this->iTunes_subCategory = $attrs["TEXT"];
      }
      $_this->iTunes_categoryLevel++;
      //
      // Since "short" tags with elements don't seem to call end_element
      // I must do the work here
      $pos = xml_get_current_byte_index($parser);
      $hereToEnd = substr($_this->wholeString, $pos);
      $closePos = strpos($hereToEnd, ">");
      if ($closePos == 0) {
        // Can't be a short tag
        ;
      }
      elseif ($hereToEnd[$closePos-1] == "/") {
        // This is a short tag
        FeedForAll_parse_iTunes_endCategory($_this);
      }
    }
  }
}

Function FeedForAll_parse_iTunes_endCategory(&$_this) {
  $_this->iTunes_categoryLevel--;
  if ($_this->iTunes_categoryLevel == 0) {
    $_this->iTunes_categoryArray[] = Array("Category" => $_this->iTunes_category, "SubCategory" => $_this->iTunes_subCategory);
    $_this->iTunes_category = "";
    $_this->iTunes_subCategory = "";
  }
}

Function FeedForAll_parse_iTunes_endElemend($parser, &$_this, $tagName) {
  if ((($tagName == "ITEM") && ($_this->feedTYPE != "FEE")) || (($tagName == "ENTRY") && ($_this->feedTYPE == "FEE"))) {
    if ($_this->UseItem) {
      if ($_this->currentItem->iTunesUsed) {
        $_this->iTunesUsed = 1;
      }
      $_this->currentItem->iTunes_subtitle = trim($_this->currentItem->iTunes_subtitle);
      $_this->currentItem->iTunes_summary = trim($_this->currentItem->iTunes_summary);
      $_this->currentItem->iTunes_duration = trim($_this->currentItem->iTunes_duration);
      $_this->currentItem->iTunes_keywords = trim($_this->currentItem->iTunes_keywords);
      $_this->currentItem->iTunes_author = trim($_this->currentItem->iTunes_author);
      $_this->currentItem->iTunes_explicit = trim($_this->currentItem->iTunes_explicit);
      $_this->currentItem->iTunes_blocked = trim($_this->currentItem->iTunes_blocked);
    }
  }
  elseif (($tagName == "IMAGE") && ($_this->insideChannelImage)) {
  }
  elseif ($tagName == "CHANNEL") {
    $_this->iTunes_subtitle = trim($_this->iTunes_subtitle);
    $_this->iTunes_summary = trim($_this->iTunes_summary);
    $_this->iTunes_keywords = trim($_this->iTunes_keywords);
    $_this->iTunes_author = trim($_this->iTunes_author);
    $_this->iTunes_ownerName = trim($_this->iTunes_ownerName);
    $_this->iTunes_ownerEmail = trim($_this->iTunes_ownerEmail);
    $_this->iTunes_image = trim($_this->iTunes_image);
    $_this->iTunes_explicit = trim($_this->iTunes_explicit);
    $_this->iTunes_blocked = trim($_this->iTunes_blocked);
    if ($_this->operateAs == "rss2html") {
      //
      // Escape any links
      $_this->iTunes_image = FeedForAll_rss2html_EscapeLink($_this->iTunes_image);
    }
  }
  elseif ($_this->level == $_this->level_channel) {
    if ($tagName == "ITUNES:SUBTITLE") {
      $_this->iTunesUsed = 1;
      $_this->iTunes_subtitle = trim($_this->iTunes_subtitle);
    }
    elseif ($tagName == "ITUNES:SUMMARY") {
      $_this->iTunesUsed = 1;
      $_this->iTunes_summary = trim($_this->iTunes_summary);
    }
    elseif ($tagName == "ITUNES:CATEGORY") {
      FeedForAll_parse_iTunes_endCategory($_this);
    }
    elseif ($tagName == "ITUNES:KEYWORDS") {
      $_this->iTunesUsed = 1;
      $_this->iTunes_keywords = trim($_this->iTunes_keywords);
    }
    elseif ($tagName == "ITUNES:AUTHOR") {
      $_this->iTunesUsed = 1;
      $_this->iTunes_author = trim($_this->iTunes_author);
    }
    elseif ($tagName == "ITUNES:OWNER") {
      $_this->iTunesUsed = 1;
      $_this->iTunes_ownerEmail = trim($_this->iTunes_ownerEmail);
      $_this->iTunes_ownerName = trim($_this->iTunes_ownerName);
    }
    elseif ($tagName == "ITUNES:IMAGE") {
      $_this->iTunesUsed = 1;
      $_this->iTunes_image = trim($_this->iTunes_image);
    }
    elseif ($tagName == "ITUNES:EXPLICIT") {
      $_this->iTunesUsed = 1;
      $_this->iTunes_explicit = trim($_this->iTunes_explicit);
    }
    elseif ($tagName == "ITUNES:BLOCKED") {
      $_this->iTunesUsed = 1;
      $_this->iTunes_blocked = trim($_this->iTunes_blocked);
    }
  }
}

Function FeedForAll_parse_iTunes_characterData($parser, &$_this, $data) {
  if (($data == "") || ($data == NULL)) {
  } else {
    if (($_this->insideItem) && ($_this->level == $_this->level_item+1)) {
      //
      // <item>
      switch ($_this->tag) {
        case "ITUNES:SUBTITLE":
        $_this->currentItem->iTunes_subtitle .= $data;
        $_this->currentItem->iTunesUsed = 1;
        $_this->iTunesUsed = 1;
        break;
        
        case "ITUNES:SUMMARY":
        $_this->currentItem->iTunes_summary .= $data;
        $_this->currentItem->iTunesUsed = 1;