1: <?php
  2: /**
  3:  * Renders Wiki page headers to restructured text.
  4:  *
  5:  * Copyright 2011-2012 Horde LLC (http://www.horde.org/)
  6:  *
  7:  * See the enclosed file COPYING for license information (GPLv2). If
  8:  * you did not receive this file, see
  9:  * http://www.horde.org/licenses/gpl
 10:  *
 11:  * PHP version 5
 12:  *
 13:  * @category Horde
 14:  * @package  Wicked
 15:  * @author   Gunnar Wrobel <wrobel@pardus.de>
 16:  * @link     http://www.horde.org/apps/wicked
 17:  * @license  http://www.horde.org/licenses/gpl GNU General Public License, version 2
 18:  */
 19: 
 20: /**
 21:  * Renders Wiki page headers to restructured text.
 22:  *
 23:  * @category Horde
 24:  * @package  Wicked
 25:  * @author   Gunnar Wrobel <wrobel@pardus.de>
 26:  * @link     http://www.horde.org/apps/wicked
 27:  * @license  http://www.horde.org/licenses/gpl GNU General Public License, version 2
 28:  */
 29: class Text_Wiki_Render_Rst_Heading2 extends Text_Wiki_Render
 30: {
 31:     /**
 32:      * The start options.
 33:      *
 34:      * @var array
 35:      */
 36:     private $_previous;
 37: 
 38:     /**
 39:      * Render the header.
 40:      *
 41:      * @param array $options The rendering options.
 42:      *
 43:      * @return string The output string.
 44:      */
 45:     public function token($options)
 46:     {
 47:         // get nice variable names (type, level)
 48:         extract($options);
 49: 
 50:         if ($type == 'start') {
 51:             $length = strlen($text);
 52:             switch ($level) {
 53:             case '1':
 54:                 $overline = '=';
 55:                 $underline = '=';
 56:                 $length += 2;
 57:                 break;
 58:             case '2':
 59:                 $overline = '-';
 60:                 $underline = '-';
 61:                 $length += 2;
 62:                 break;
 63:             case '3':
 64:                 $overline = null;
 65:                 $underline = '=';
 66:                 break;
 67:             case '4':
 68:                 $overline = null;
 69:                 $underline = '*';
 70:                 break;
 71:             case '5':
 72:                 $overline = null;
 73:                 $underline = '-';
 74:                 break;
 75:             case '6':
 76:                 $overline = null;
 77:                 $underline = '`';
 78:                 break;
 79:             }
 80:             $output = '';
 81:             if ($overline !== null) {
 82:                 $output .= str_repeat($overline, $length) . "\n ";
 83:             }
 84:             $previous = $options;
 85:             $previous['length'] = $length;
 86:             $previous['underline'] = $underline;
 87:             $this->_previous[] = $previous;
 88:             return $output;
 89:         }
 90: 
 91:         if ($type == 'end') {
 92:             $previous = array_pop($this->_previous);
 93:             if ($level != $previous['level']) {
 94:                 return sprintf(
 95:                     'UNEXPECTED HEADER LEVEL: %s [expected %s]',
 96:                     $level,
 97:                     $previous['level']
 98:                 );
 99:             }
100:             return "\n" . str_repeat($previous['underline'], $previous['length']) . "\n\n";
101:         }
102:     }
103: }
104: