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- <?php
- // vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:
- /**
- * Url rule end renderer for Xhtml
- *
- * PHP versions 4 and 5
- *
- * @category Text
- * @package Text_Wiki
- * @author Paul M. Jones <pmjones@php.net>
- * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
- * @version CVS: $Id: Url.php,v 1.18 2007/05/26 17:15:41 mic Exp $
- * @link http://pear.php.net/package/Text_Wiki
- */
-
- /**
- * This class renders URL links in XHTML.
- *
- * @category Text
- * @package Text_Wiki
- * @author Paul M. Jones <pmjones@php.net>
- * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
- * @version Release: @package_version@
- * @link http://pear.php.net/package/Text_Wiki
- */
- class Text_Wiki_Render_Xhtml_Url extends Text_Wiki_Render {
-
-
- var $conf = array(
- 'target' => '_blank',
- 'images' => true,
- 'img_ext' => array('jpg', 'jpeg', 'gif', 'png'),
- 'css_inline' => null,
- 'css_footnote' => null,
- 'css_descr' => null,
- 'css_img' => null
- );
-
- /**
- *
- * Renders a token into text matching the requested format.
- *
- * @access public
- *
- * @param array $options The "options" portion of the token (second
- * element).
- *
- * @return string The text rendered from the token options.
- *
- */
-
- function token($options)
- {
- // create local variables from the options array (text,
- // href, type)
- extract($options);
-
- // find the rightmost dot and determine the filename
- // extension.
- $pos = strrpos($href, '.');
- $ext = strtolower(substr($href, $pos + 1));
- $href = $this->textEncode($href);
-
- // does the filename extension indicate an image file?
- if ($this->getConf('images') &&
- in_array($ext, $this->getConf('img_ext', array()))) {
-
- // create alt text for the image
- if (! isset($text) || $text == '') {
- $text = basename($href);
- $text = $this->textEncode($text);
- }
-
- // generate an image tag
- $css = $this->formatConf(' class="%s"', 'css_img');
- $start = "<img$css src=\"$href\" alt=\"$text\" title=\"$text\" /><!-- ";
- $end = " -->";
-
- } else {
-
- // should we build a target clause?
- if ($href{0} == '#' ||
- strtolower(substr($href, 0, 7)) == 'mailto:') {
- // targets not allowed for on-page anchors
- // and mailto: links.
- $target = '';
- } else {
- // allow targets on non-anchor non-mailto links
- $target = $this->getConf('target');
- }
-
- // generate a regular link (not an image)
- $text = $this->textEncode($text);
- $css = $this->formatConf(' class="%s"', "css_$type");
- $start = "<a$css href=\"$href\"";
-
- if ($target && $target != '_self') {
- // use a "popup" window. this is XHTML compliant, suggested by
- // Aaron Kalin. uses the $target as the new window name.
- $target = $this->textEncode($target);
- $start .= " onclick=\"window.open(this.href, '$target');";
- $start .= " return false;\"";
- }
-
- if (isset($name)) {
- $start .= " id=\"$name\"";
- }
-
- // finish up output
- $start .= ">";
- $end = "</a>";
-
- // make numbered references look like footnotes when no
- // CSS class specified, make them superscript by default
- if ($type == 'footnote' && ! $css) {
- $start = '<sup>' . $start;
- $end = $end . '</sup>';
- }
- }
-
- if ($options['type'] == 'start') {
- $output = $start;
- } else if ($options['type'] == 'end') {
- $output = $end;
- } else {
- $output = $start . $text . $end;
- }
- return $output;
- }
- }
- ?>
-