--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/includes/wikiengine/Parse/Default/Blockquote.php Wed Jun 13 16:07:17 2007 -0400
@@ -0,0 +1,179 @@
+<?php
+
+/**
+*
+* Parse for block-quoted text.
+*
+* @category Text
+*
+* @package Text_Wiki
+*
+* @author Paul M. Jones <pmjones@php.net>
+*
+* @license LGPL
+*
+* @version $Id: Blockquote.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
+*
+*/
+
+/**
+*
+* Parse for block-quoted text.
+*
+* Find source text marked as a blockquote, identified by any number of
+* greater-than signs '>' at the start of the line, followed by a space,
+* and then the quote text; each '>' indicates an additional level of
+* quoting.
+*
+* @category Text
+*
+* @package Text_Wiki
+*
+* @author Paul M. Jones <pmjones@php.net>
+*
+*/
+
+class Text_Wiki_Parse_Blockquote extends Text_Wiki_Parse {
+
+
+ /**
+ *
+ * Regex for parsing the source text.
+ *
+ * @access public
+ *
+ * @var string
+ *
+ * @see parse()
+ *
+ */
+
+ var $regex = '/\n((\>).*\n)(?!(\>))/Us';
+
+
+ /**
+ *
+ * Generates a replacement for the matched text.
+ *
+ * Token options are:
+ *
+ * 'type' =>
+ * 'start' : the start of a blockquote
+ * 'end' : the end of a blockquote
+ *
+ * 'level' => the indent level (0 for the first level, 1 for the
+ * second, etc)
+ *
+ * @access public
+ *
+ * @param array &$matches The array of matches from parse().
+ *
+ * @return A series of text and delimited tokens marking the different
+ * list text and list elements.
+ *
+ */
+
+ function process(&$matches)
+ {
+ // the replacement text we will return to parse()
+ $return = '';
+
+ // the list of post-processing matches
+ $list = array();
+
+ // $matches[1] is the text matched as a list set by parse();
+ // create an array called $list that contains a new set of
+ // matches for the various list-item elements.
+ preg_match_all(
+ '=^(\>+) (.*\n)=Ums',
+ $matches[1],
+ $list,
+ PREG_SET_ORDER
+ );
+
+ // a stack of starts and ends; we keep this so that we know what
+ // indent level we're at.
+ $stack = array();
+
+ // loop through each list-item element.
+ foreach ($list as $key => $val) {
+
+ // $val[0] is the full matched list-item line
+ // $val[1] is the number of initial '>' chars (indent level)
+ // $val[2] is the quote text
+
+ // we number levels starting at 1, not zero
+ $level = strlen($val[1]);
+
+ // get the text of the line
+ $text = $val[2];
+
+ // add a level to the list?
+ while ($level > count($stack)) {
+
+ // the current indent level is greater than the number
+ // of stack elements, so we must be starting a new
+ // level. push the new level onto the stack with a
+ // dummy value (boolean true)...
+ array_push($stack, true);
+
+ $return .= "\n";
+
+ // ...and add a start token to the return.
+ $return .= $this->wiki->addToken(
+ $this->rule,
+ array(
+ 'type' => 'start',
+ 'level' => $level - 1
+ )
+ );
+
+ $return .= "\n\n";
+ }
+
+ // remove a level?
+ while (count($stack) > $level) {
+
+ // as long as the stack count is greater than the
+ // current indent level, we need to end list types.
+ // continue adding end-list tokens until the stack count
+ // and the indent level are the same.
+ array_pop($stack);
+
+ $return .= "\n\n";
+
+ $return .= $this->wiki->addToken(
+ $this->rule,
+ array (
+ 'type' => 'end',
+ 'level' => count($stack)
+ )
+ );
+
+ $return .= "\n";
+ }
+
+ // add the line text.
+ $return .= $text;
+ }
+
+ // the last line may have been indented. go through the stack
+ // and create end-tokens until the stack is empty.
+ $return .= "\n";
+
+ while (count($stack) > 0) {
+ array_pop($stack);
+ $return .= $this->wiki->addToken(
+ $this->rule,
+ array (
+ 'type' => 'end',
+ 'level' => count($stack)
+ )
+ );
+ }
+
+ // we're done! send back the replacement text.
+ return "\n$return\n\n";
+ }
+}
+?>
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