Wed Feb 10 08:28:34 UTC 2010  pix@kepibu.org
  * Add attribute-present selector
diff -rN -u old-Oh, Ducks!/notes new-Oh, Ducks!/notes
--- old-Oh, Ducks!/notes	2013-11-22 03:30:32.000000000 +0000
+++ new-Oh, Ducks!/notes	2013-11-22 03:30:32.000000000 +0000
@@ -155,8 +155,8 @@
  * [X] :only-child
  * [X] :only-of-type
  * [X] :empty
-*** attribute selectors [0/7]
- * [ ] attribute-present  [att]
+*** attribute selectors [1/7]
+ * [X] attribute-present  [att]
  * [ ] attribute-equal    [att=val]
  * [ ] attribute-member   [att~=val]
  * [ ] attribute-lang     [att|=val]
diff -rN -u old-Oh, Ducks!/selectors.lisp new-Oh, Ducks!/selectors.lisp
--- old-Oh, Ducks!/selectors.lisp	2013-11-22 03:30:32.000000000 +0000
+++ new-Oh, Ducks!/selectors.lisp	2013-11-22 03:30:32.000000000 +0000
@@ -42,6 +42,9 @@
 (defclass nth-last-of-type-selector (nth-of-type-selector) ())
 (defclass empty-selector (simple-selector) ())
 
+(defclass attribute-selector (simple-selector) ())
+(defclass attribute-present-selector (attribute-selector) ())
+
 (defmethod initialize-instance :after ((selector nth-child-selector)
                                        &key (asign "+") a
                                             (bsign "+") b
@@ -103,6 +106,10 @@
     (#T(regexp$ (\s+)         ())
      (list (make-instance 'descendant-combinator :matcher (or (parse-selector &rest) %implicit-element-selector))))
     ;; simple selectors
+    ;; attribute selectors
+    (#T(regexp$ ("[" $name "]") (?attribute))
+     (cons (make-instance 'attribute-present-selector :arg attribute)
+           (parse-selector &rest)))
     ;; cyclic (An+B, n+B)
     (#T(regexp$ (":nth-child(" \s* an+b \s* ")")
                 (?asign ?a ?bsign ?b))
@@ -261,6 +268,9 @@
   (declare (ignore element selector))
   t)
 
+(defmethod subject-p ((selector attribute-present-selector) element)
+  (element-attribute (selector-arg selector) element))
+
 (defmethod subject-p ((selector %implicit-element-selector) element)
   (eq element *implicit-element*))
 
diff -rN -u old-Oh, Ducks!/tests.lisp new-Oh, Ducks!/tests.lisp
--- old-Oh, Ducks!/tests.lisp	2013-11-22 03:30:32.000000000 +0000
+++ new-Oh, Ducks!/tests.lisp	2013-11-22 03:30:32.000000000 +0000
@@ -151,6 +151,11 @@
            (first q))
      i)))
 
+(serialize-values
+ (match (#T(html (:model dom)
+                 ("[id]" . ?ids))
+         "<div><i id=''>blank id</i>foo<b>no id</b>bar<i id='id'>id id</i></div>")
+   ids))
 
 #+LATER?
 (match (#t(html ("div::content" . #t(regexp+ "^f(o+)" (?o))))