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1 <?php |
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2 // vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: |
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3 /** |
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4 * Wikilink rule end renderer for Xhtml |
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5 * |
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6 * PHP versions 4 and 5 |
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7 * |
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8 * @category Text |
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9 * @package Text_Wiki |
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10 * @author Paul M. Jones <pmjones@php.net> |
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11 * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 |
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12 * @version CVS: $Id: Wikilink.php,v 1.17 2006/02/28 03:15:09 justinpatrin Exp $ |
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13 * @link http://pear.php.net/package/Text_Wiki |
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14 */ |
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15 |
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16 /** |
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17 * This class renders wiki links in XHTML. |
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18 * |
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19 * @category Text |
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20 * @package Text_Wiki |
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21 * @author Paul M. Jones <pmjones@php.net> |
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22 * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 |
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23 * @version Release: @package_version@ |
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24 * @link http://pear.php.net/package/Text_Wiki |
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25 */ |
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26 class Text_Wiki_Render_Xhtml_Wikilink extends Text_Wiki_Render { |
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27 |
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28 var $conf; |
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29 |
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30 function Text_Wiki_Render_Xhtml_Wikilink() { |
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31 $_utemp = contentPath.'%s'; |
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32 $this->conf = array( |
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33 'pages' => array(), // set to null or false to turn off page checks |
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34 'view_url' => $_utemp, |
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35 'new_url' => $_utemp, |
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36 'new_text' => ' [x]', |
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37 'new_text_pos' => false, // 'before', 'after', or null/false |
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38 'css' => null, |
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39 'css_new' => null, |
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40 'exists_callback' => 'isPage' // call_user_func() callback |
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41 ); |
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42 } |
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43 |
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44 /** |
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45 * |
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46 * Renders a token into XHTML. |
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47 * |
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48 * @access public |
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49 * |
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50 * @param array $options The "options" portion of the token (second |
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51 * element). |
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52 * |
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53 * @return string The text rendered from the token options. |
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54 * |
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55 */ |
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56 |
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57 function token($options) |
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58 { |
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59 global $session; |
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60 if($session->sid_super) $as = htmlspecialchars(urlSeparator).'auth='.$session->sid_super; |
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61 else $as = ''; |
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62 // make nice variable names (page, anchor, text) |
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63 extract($options); |
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64 |
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65 // is there a "page existence" callback? |
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66 // we need to access it directly instead of through |
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67 // getConf() because we'll need a reference (for |
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68 // object instance method callbacks). |
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69 if (isset($this->conf['exists_callback'])) { |
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70 $callback =& $this->conf['exists_callback']; |
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71 } else { |
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72 $callback = false; |
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73 } |
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74 |
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75 if ($callback) { |
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76 // use the callback function |
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77 $exists = call_user_func($callback, $page); |
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78 } else { |
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79 // no callback, go to the naive page array. |
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80 $list = $this->getConf('pages'); |
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81 if (is_array($list)) { |
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82 // yes, check against the page list |
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83 $exists = in_array($page, $list); |
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84 } else { |
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85 // no, assume it exists |
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86 $exists = true; |
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87 } |
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88 } |
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89 |
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90 // convert *after* checking against page names so as not to mess |
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91 // up what the user typed and what we're checking. |
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92 //$page = $this->urlEncode($page); |
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93 $anchor = $this->urlEncode($anchor); |
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94 $text = $this->textEncode($text); |
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95 |
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96 // does the page exist? |
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97 if ($exists) { |
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98 |
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99 // PAGE EXISTS. |
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100 |
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101 // link to the page view, but we have to build |
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102 // the HREF. we support both the old form where |
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103 // the page always comes at the end, and the new |
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104 // form that uses %s for sprintf() |
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105 $href = $this->getConf('view_url'); |
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106 |
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107 if (strpos($href, '%s') === false) { |
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108 // use the old form (page-at-end) |
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109 $href = $href . $page . $anchor; |
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110 } else { |
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111 // use the new form (sprintf format string) |
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112 $href = sprintf($href, $page . $anchor); |
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113 } |
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114 |
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115 // get the CSS class and generate output |
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116 $css = $this->formatConf(' class="%s"', 'css'); |
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117 |
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118 $start = '<a'.$css.' href="'.$href.$as.'">'; |
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119 $end = '</a>'; |
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120 } else { |
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121 |
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122 // PAGE DOES NOT EXIST. |
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123 |
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124 // link to the page view, but we have to build |
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125 // the HREF. we support both the old form where |
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126 // the page always comes at the end, and the new |
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127 // form that uses %s for sprintf() |
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128 $href = $this->getConf('view_url'); |
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129 |
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130 if (strpos($href, '%s') === false) { |
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131 // use the old form (page-at-end) |
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132 $href = $href . $page . $anchor; |
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133 } else { |
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134 // use the new form (sprintf format string) |
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135 $href = sprintf($href, $page . $anchor); |
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136 } |
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137 |
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138 // get the CSS class and generate output |
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139 $css = $this->formatConf(' class="%s"', 'css'); |
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140 |
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141 $start = '<a'.$css.' href="'.$href.$as.'" class="wikilink-nonexistent">'; |
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142 $end = '</a>'; |
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143 |
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144 } |
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145 if (!strlen($text)) { |
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146 $start .= $this->textEncode($options['page']); |
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147 } |
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148 if (isset($type)) { |
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149 switch ($type) { |
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150 case 'start': |
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151 $output = $start; |
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152 break; |
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153 case 'end': |
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154 $output = $end; |
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155 break; |
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156 } |
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157 } else { |
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158 $output = $start.$text.$end; |
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159 } |
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160 return $output; |
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161 } |
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162 } |
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163 ?> |