Add superscript and subscript extension

git-svn-id: https://svn.php.net/repository/pear/packages/Text_Wiki/trunk@199139 c90b9560-bf6c-de11-be94-00142212c4b1

Text/Wiki/Parse/BBCode/Subscript.php

@@ -0,0 +1,86 @@
+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker */
+
+// {{{ Header
+
+/**
+ * BBCode: Parses for subscript text.
+ *
+ * This class implements a Text_Wiki_Rule to find source text marked for
+ * strong emphasis (subscript) text as defined by text surrounded by
+ * [sub] ... [/sub] On parsing, the text itself is left in place, but
+ * the starting and ending tags are replaced with tokens.
+ *
+ * PHP versions 4 and 5
+ *
+ * @category Text
+ * @package Text_Wiki
+ * @author Firman Wandayandi <firman@php.net>
+ * @copyright 2005 bertrand Gugger
+ * @license http://www.gnu.org/copyleft/lgpl.html
+ *          GNU Lesser General Public License, version 2.1
+ * @version CVS: $Id$
+ */
+
+// }}}
+// {{{ Class: Text_Wiki_Parse_Subscript
+
+/**
+ * Subscript text rule parser class for BBCode.
+ *
+ * @category Text
+ * @package Text_Wiki
+ * @author Firman Wandayandi <firman@php.net>
+ * @copyright 2005 bertrand Gugger
+ * @license http://www.gnu.org/copyleft/lgpl.html
+ *          GNU Lesser General Public License, version 2.1
+ * @version Release: @package_version@
+ */
+class Text_Wiki_Parse_Subscript extends Text_Wiki_Parse
+{
+    // {{{ Properties
+
+    /**
+     * The regular expression used to parse the source text and find
+     * matches conforming to this rule. Used by the parse() method.
+     *
+     * @access public
+     * @var string
+     * @see parse()
+     */
+    var $regex = "#\[sub](.*?)\[/sub]#i";
+
+    // }}}
+    // {{{ process()
+
+    /**
+     * Generates a replacement for the matched text.  Token options are:
+     * - 'type' => ['start'|'end'] The starting or ending point of the
+     * emphasized text.  The text itself is left in the source.
+     *
+     * @param array &$matches The array of matches from parse().
+     * @return A pair of delimited tokens to be used as a placeholder in
+     * the source text surrounding the text to be emphasized.
+     * @access public
+     */
+    function process(&$matches)
+    {
+        $start = $this->wiki->addToken($this->rule, array('type' => 'start'));
+        $end = $this->wiki->addToken($this->rule, array('type' => 'end'));
+        return $start . $matches[1] . $end;
+    }
+
+    // }}}
+}
+
+// }}}
+
+/*
+ * Local variables:
+ * mode: php
+ * tab-width: 4
+ * c-basic-offset: 4
+ * c-hanging-comment-ender-p: nil
+ * End:
+ */
+?>

Text/Wiki/Parse/BBCode/Superscript.php

@@ -0,0 +1,85 @@
+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker */
+
+// {{{ Header
+
+/**
+ * BBCode: Parses for superscript text.
+ *
+ * This class implements a Text_Wiki_Rule to find source text marked for
+ * strong emphasis (superscript) text as defined by text surrounded by
+ * [sup] ... [/sup] On parsing, the text itself is left in place, but
+ * the starting and ending tags are replaced with tokens.
+ *
+ * PHP versions 4 and 5
+ *
+ * @category Text
+ * @package Text_Wiki
+ * @author Firman Wandayandi <firman@php.net>
+ * @copyright 2005 bertrand Gugger
+ * @license http://www.gnu.org/copyleft/lgpl.html
+ *          GNU Lesser General Public License, version 2.1
+ * @version CVS: $Id$
+ */
+
+// }}}
+// {{{ Class: Text_Wiki_Parse_Superscript
+
+/**
+ * Superscript text rule parser class for BBCode.
+ *
+ * @category Text
+ * @package Text_Wiki
+ * @author Firman Wandayandi <firman@php.net>
+ * @copyright 2005 bertrand Gugger
+ * @license http://www.gnu.org/copyleft/lgpl.html
+ *          GNU Lesser General Public License, version 2.1
+ * @version Release: @package_version@
+ */
+class Text_Wiki_Parse_Superscript extends Text_Wiki_Parse
+{
+    // {{{ Properties
+
+    /**
+     * The regular expression used to parse the source text and find
+     * matches conforming to this rule. Used by the parse() method.
+     *
+     * @access public
+     * @var string
+     * @see parse()
+     */
+    var $regex = "#\[sup](.*?)\[/sup]#i";
+
+    // {{{ process()
+
+    /**
+     * Generates a replacement for the matched text.  Token options are:
+     * - 'type' => ['start'|'end'] The starting or ending point of the
+     * emphasized text.  The text itself is left in the source.
+     *
+     * @param array &$matches The array of matches from parse().
+     * @return A pair of delimited tokens to be used as a placeholder in
+     * the source text surrounding the text to be emphasized.
+     * @access public
+     */
+    function process(&$matches)
+    {
+        $start = $this->wiki->addToken($this->rule, array('type' => 'start'));
+        $end = $this->wiki->addToken($this->rule, array('type' => 'end'));
+        return $start . $matches[1] . $end;
+    }
+
+    // }}}
+}
+
+// }}}
+
+/*
+ * Local variables:
+ * mode: php
+ * tab-width: 4
+ * c-basic-offset: 4
+ * c-hanging-comment-ender-p: nil
+ * End:
+ */
+?>