<?php

/*

 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between

 * Copyright (C) 2006-2009 Dan Fuhry

 *

 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied

 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.

 */

class Carpenter_Render_Xhtml

{

  public $rules = array(

    'lang'   => '',

    'templates' => '',

    'bold'   => '<strong>\\1</strong>',

    'italic' => '<em>\\1</em>',

    'underline' => '<span style="text-decoration: underline;">\\1</span>',

    'externalwithtext' => '<a href="\\1" onclick="window.open(this.href); return false;">\\2</a>',

    'externalnotext' => '<a href="\\1" onclick="window.open(this.href); return false;">\\1</a>',

    'hr' => '<hr />'

  );

  public function heading($text, $pieces)

  {

    foreach ( $pieces as $i => $piece )

    {

      $tocid = sanitize_page_id(trim($piece['text']));

      // (bad) workaround for links in headings

      $tocid = str_replace(array('[', ']'), '', $tocid);

      $tag = '<h' . $piece['level'] . ' id="head:' . $tocid . '">';

      $tag .= trim($piece['text']);

      $tag .= '</h' . $piece['level'] . '>';

      $text = str_replace(Carpenter::generate_token($i), $tag, $text);

    }

    return $text;

  }

  public function multilist($text, $pieces)

  {

    foreach ( $pieces as $i => $piece )

    {

      switch($piece['type'])

      {

        case 'unordered':

        default:

          $btag = 'ul';

          $itag = 'li';

          break;

        case 'ordered':

          $btag = 'ol';

          $itag = 'li';

          break;

        case 'indent':

          $btag = 'dl';

          $itag = 'dd';

          break;

      }

      $list = "<_paragraph_bypass><$btag>\n";

      $spacing = '';

      $depth = 1;

      foreach ( $piece['items'] as $j => $item )

      {

        // most of this just goes into pretty formatting.

        // everything else goes into meeting the PITA requirement that if you're going

        // another level deep, HTML requires the next level to be INSIDE of the <dd>/<li> tag.

        $itemdepth = $item['depth'];

        if ( $itemdepth > $depth )

        {

          while ( $depth < $itemdepth )

          {

            $spacing .= '    ';

            $list .= "{$spacing}<$btag>\n";

            $depth++;

          }

        }

        else if ( $itemdepth < $depth )

        {

          while ( $depth > $itemdepth )

          {

            $list .= "{$spacing}</$btag>\n";

            $spacing = substr($spacing, 4);

            $list .= "{$spacing}</$itag>\n";

            $spacing = substr($spacing, 4);

            $depth--;

          }

        }

        $list .= "{$spacing}    <$itag>" . nl2br($item['text']);

        if ( ( isset($piece['items'][ ++$j ]) && $piece['items'][ $j ]['depth'] <= $itemdepth ) || !isset($piece['items'][ $j ]) ) 

        {

          $list .= "</$itag>\n";

        }

        else

        {

          $list .= "\n";

          $spacing .= "    ";

        }

      }

      while ( $depth > 1 )

      {

        $list .= "{$spacing}</$btag>\n";

        $spacing = substr($spacing, 4);

        $list .= "{$spacing}</$itag>\n";

        $spacing = substr($spacing, 4);

        $depth--;

      }

      $list .= "</$btag></_paragraph_bypass>\n";

      $text = str_replace(Carpenter::generate_token($i), $list, $text);

    }

    return $text;

  }

  public function blockquote($text)

  {

    return $text;

  }

  public function blockquotepost($text, $rand_id)

  {

    $text = strtr($text, array(

        "<p>{blockquote:$rand_id}<br />"  => '<blockquote>',

        "<br />\n{/blockquote:$rand_id}</p>" => '</blockquote>',

        "{blockquote:$rand_id}"  => '<blockquote>',

        "{/blockquote:$rand_id}" => '</blockquote>'

      ));

    $text = strtr($text, array(

        "<blockquote><br />" => '<blockquote>',

        "</blockquote><br />" => '</blockquote>'

      ));

    return $text;

  }

  public function paragraph($text, $pieces)

  {

    foreach ( $pieces as $i => $piece )

    {

      $text = str_replace(Carpenter::generate_token($i), '<p>' . nl2br($piece) . '</p>', $text);

    }

    return $text;

  }

  public function mailtonotext($pieces)

  {

    $pieces[2] = $pieces[1];

    return $this->mailtowithtext($pieces);

  }

  public function mailtowithtext($pieces)

  {

    global $email;

    return $email->encryptEmail($pieces[1], '', '', $pieces[2]);

  }

  public function code($match)

  {

    return '<pre>' . htmlspecialchars($match[0]) . '</pre>';

  }

}

// Alias internal link parsing to RenderMan's method

function parser_mediawiki_xhtml_internallink($text)

{

  return RenderMan::parse_internal_links($text);

}