From a4b6ba7ccc60e543d090acfd8d48d83febdcf912 Mon Sep 17 00:00:00 2001
From: "pabs@pablotron.org" <pabs@pablotron.org>
Date: Thu, 18 Dec 2014 23:09:02 -0500
Subject: remove legacy parser

---
 php/luigi-template.php | 98 --------------------------------------------------
 1 file changed, 98 deletions(-)

diff --git a/php/luigi-template.php b/php/luigi-template.php
index cec1ff6..9cd2975 100644
--- a/php/luigi-template.php
+++ b/php/luigi-template.php
@@ -88,104 +88,6 @@ final class Filters {
   }
 };
 
-final class LegacyParser {
-  private static $RES = array(
-    'action' => '/
-      # match opening brace
-      %\{\s*
-
-      # match key
-      ([\w_-]+)
-    
-      # match filter(s)
-      ((\s*\|\s*\w+\s*(\([\w\s,-]+\))?)*)
-
-      # match closing brace
-      \}
-      
-      # or match up all non-% chars or a single % char
-      | ([^%]* | %)
-    /mx',
-
-    'filter' => '/
-      # match filter name
-      ([\w_-]+)
-    
-      # optional trailing whitespace
-      \s*
-    
-      # optional filter arguments
-      (\(([\w\s_,-]+)\))?
-    /mx',
-  );
-
-  public static function parse_template($template) {
-    # build list of matches
-    $matches = array();
-    $num_matches = preg_match_all(
-      self::$RES['action'],
-      $template,
-      $matches,
-      PREG_SET_ORDER
-    );
-  
-    # check for error
-    if ($num_matches === false)
-      throw new Error('error matching template');
-  
-    # walk over matches and build list of actions
-    $r = array_map(function($m) {
-      if ($m[1] !== '') {
-        #  key and filters
-        return array(
-          'type'    => 'action',
-          'key'     => $m[1],
-          'filters' => self::parse_filters($m[2]),
-        );
-      } else {
-        # literal text
-        return array(
-          'type' => 'text',
-          'text' => $m[5],
-        );
-      }
-    }, $matches);
-
-    # return result
-    return $r;
-  }
-
-  public static function parse_filters($filters) {
-    # split into individual filters
-    $r = array();
-    foreach (preg_split('/\s*\|\s*/', $filters) as $f) {
-      # skip empty filters
-      if (!$f)
-        continue;
-
-      # match filter
-      $md = array();
-      if (!preg_match(self::$RES['filter'], $f, $md))
-        throw new Error("invalid filter: $f");
-
-      # add filter to results
-      $r[] = array(
-        # filter name
-        'name' => $md[1],
-
-        # filter arguments
-        'args' => (count($md) > 2) ? preg_split(
-          '/\s*,\s*/', 
-          trim($md[3])
-        ) : array(),
-      );
-    }
-
-    # return results
-    return $r;
-  }
-};
-
 final class Parser {
   private static $RES = array(
     'action' => '/
-- 
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