Clickable url are now searched with a good regexp and highlighted.

app/src/processing/app/syntax/PdeTextAreaDefaults.java

@@ -169,6 +169,9 @@ public class PdeTextAreaDefaults extends TextAreaDefaults {
     // ??
     styles[Token.LABEL] = Theme.getStyle("label");
 
+    // http://arduino.cc/
+    styles[Token.URL] = Theme.getStyle("url");
+
     // + - = /
     styles[Token.OPERATOR] = Theme.getStyle("operator");
 

app/src/processing/app/syntax/SyntaxUtilities.java

@@ -104,6 +104,7 @@ public class SyntaxUtilities
     styles[Token.LITERAL2] = new SyntaxStyle(new Color(0x650099),false,true);
     styles[Token.LABEL] = new SyntaxStyle(new Color(0x990033),false,true);
     styles[Token.OPERATOR] = new SyntaxStyle(Color.black,false,true);
+    styles[Token.URL] = new SyntaxStyle(Color.blue,true,false);
     styles[Token.INVALID] = new SyntaxStyle(Color.red,false,true);
 
     return styles;
@@ -151,7 +152,7 @@ public class SyntaxUtilities
 
         line.count = length;
         if (id == Token.COMMENT1 || id == Token.COMMENT2)
-          x = drawTabbedCommentsText(line, x, y, gfx, expander);
+          x = drawTabbedCommentsText(line, x, y, gfx, expander, styles, styles[id]);
         else
           x = Utilities.drawTabbedText(line, x, y, gfx, expander, 0);        
         line.offset += length;
@@ -174,9 +175,7 @@ public class SyntaxUtilities
    *         the remaining part of the string.
    */
   public static String[] parseCommentUrls(String line) {
-    // Try to find pattern
-    Pattern schematics = Pattern.compile("@schematics\\s+([^\\s]+)");
-    Matcher m = schematics.matcher(line.toString());
+    Matcher m = urlPattern.matcher(line.toString());
     if (!m.find())
       return null;
 
@@ -188,12 +187,21 @@ public class SyntaxUtilities
     return res;
   }
 
+  static private Pattern urlPattern = Pattern.compile(
+      "((?:https?|ftp)://" +                // ( Protocol
+      "(?:(?:[\\w_\\-]+:)?[\\w_\\-]+@)?" +  // Username and password
+      "(?:[\\w_\\-]+\\.)+[\\w_\\-]+" +      // Domain name
+      "(?::[0-9]{1,5})?" +                  // Port 
+      "(?:/[\\w_\\-./?%&=+]*)?)" +          // Path ) 
+      "(?:\\s|$)");                         // whitespace or EOL
+
   public static Segment stringToSegment(String v) {
     return new Segment(v.toCharArray(), 0, v.length());
   }
 
   private static int drawTabbedCommentsText(Segment line, int x, int y,
-      Graphics gfx, TabExpander expander) {
+      Graphics gfx, TabExpander expander, SyntaxStyle[] styles, 
+      SyntaxStyle commentStyle) {
 
     String parse[] = parseCommentUrls(line.toString());
     if (parse == null)
@@ -203,14 +211,21 @@ public class SyntaxUtilities
     Segment tag = stringToSegment(parse[1]);
     Segment post = stringToSegment(parse[2]);
 
-    x = Utilities.drawTabbedText(pre, x, y, gfx, expander, 0);
+    if (pre.length()>0)
+      x = Utilities.drawTabbedText(pre, x, y, gfx, expander, 0);
+
+    Font f = gfx.getFont();
+    styles[Token.URL].setGraphicsFlags(gfx, f);
     x = Utilities.drawTabbedText(tag, x, y, gfx, expander, 0);
 
     // Draw arrow.
     FontMetrics metrics = gfx.getFontMetrics();
     int h = metrics.getHeight() - 2;
     drawArrow(gfx, x, y - h + metrics.getDescent() - 1, h, h);
-    x = Utilities.drawTabbedText(post, x, y, gfx, expander, 0);
+
+    commentStyle.setGraphicsFlags(gfx, f);
+    if (post.length()>0)
+      x = Utilities.drawTabbedText(post, x, y, gfx, expander, 0);
     return x;
   }
 

app/src/processing/app/syntax/Token.java

@@ -83,17 +83,22 @@ public class Token
          */
         public static final byte OPERATOR = 9;
 
+        /**
+         * URL token id.
+         */
+        public static final byte URL = 10;
+        
         /**
          * Invalid token id. This can be used to mark invalid
          * or incomplete tokens, so the user can easily spot
          * syntax errors.
          */
-        public static final byte INVALID = 10;
+        public static final byte INVALID = 11;
 
         /**
          * The total number of defined token ids.
          */
-        public static final byte ID_COUNT = 11;
+        public static final byte ID_COUNT = 12;
 
         /**
          * The first id that can be used for internal state

build/shared/lib/theme/theme.txt

@@ -83,6 +83,9 @@ editor.literal1.style = #006699,plain
 # p5 built in variables: e.g. mouseX, width, pixels
 editor.literal2.style = #006699,plain
 
+# http://arduino.cc/
+editor.url.style = #0000ff,italic
+
 # e.g. + - = /
 editor.operator.style = #000000,plain