[gxml] Semi-Implement CssSelectorParser E:enable E:disable E:checked selectors

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit aba2fae02777f66b37d2b22f9273623168f4b09d
Author: Daniel Espinosa <esodan gmail com>
Date:   Fri Sep 8 08:56:47 2017 -0700

    Semi-Implement CssSelectorParser E:enable E:disable E:checked selectors
    
    This selectors are for UI, potentialy useful for GTK+ XML ui definitions,
    but oriented to HTML documents. Please add tags supporting this attributes

 gxml/CssSelectorParser.vala |   12 ++++++++++++
 gxml/Html.vala              |    2 +-
 test/CssSelectorTest.vala   |   34 +++++++++++++++++++++++++++++++++-
 3 files changed, 46 insertions(+), 2 deletions(-)
---
diff --git a/gxml/CssSelectorParser.vala b/gxml/CssSelectorParser.vala
index 8be1b14..bf4df62 100644
--- a/gxml/CssSelectorParser.vala
+++ b/gxml/CssSelectorParser.vala
@@ -366,6 +366,18 @@ public class GXml.CssSelectorParser : GLib.Object {
                                                                        != 
(element.owner_document.document_element as GNode).get_internal_node ()) return false;
                                        if (element.node_name.down () == 
element.owner_document.document_element.node_name.down ()) return true;
                                }
+                               if (s.data.down () == "checked") {
+                                       if (!(element.owner_document is DomHtmlDocument)) return false;
+                                       // FIXME: check for tags UI allowed to have this state you can use 
E[checked="true"] instead
+                               }
+                               if (s.data.down () == "enable") {
+                                       if (!(element.owner_document is DomHtmlDocument)) return false;
+                                       // FIXME: check for tags UI allowed to have this state you can use 
E[enable="true"] instead
+                               }
+                               if (s.data.down () == "disabled") {
+                                       if (!(element.owner_document is DomHtmlDocument)) return false;
+                                       // FIXME: check for tags UI allowed to have this state you can use 
E[disable="true"] instead
+                               }
                        }
                        if (s.selector_type == CssSelectorType.CLASS) {
                                var p = element.get_attribute ("class");
diff --git a/gxml/Html.vala b/gxml/Html.vala
index 32c45d1..9338847 100644
--- a/gxml/Html.vala
+++ b/gxml/Html.vala
@@ -24,7 +24,7 @@
 /**
  * Interface for HTML handling implementation
  */
-public interface DomHtmlDocument : Object, GXml.DomDocument {
+public interface GXml.DomHtmlDocument : Object, GXml.DomDocument {
        /**
         * This method reads HTML documents using default parser
         */
diff --git a/test/CssSelectorTest.vala b/test/CssSelectorTest.vala
index 6d30ae9..fbec172 100644
--- a/test/CssSelectorTest.vala
+++ b/test/CssSelectorTest.vala
@@ -374,7 +374,7 @@ class CssSelectorTest : GXmlTest {
                                warning ("ERROR: "+e.message);
                        }
                });
-               Test.add_func ("/gxml/css-selector/element/pseudo/root", () => {
+               Test.add_func ("/gxml/css-selector/pseudo/root", () => {
                        try {
                                var cp = new CssSelectorParser ();
                                cp.parse ("toplevel:root");
@@ -433,5 +433,37 @@ class CssSelectorTest : GXmlTest {
                                warning ("ERROR: "+e.message);
                        }
                });
+               Test.add_func ("/gxml/css-selector/pseudo/non-hmtl/enable-disable-checked", () => {
+                       try {
+                               var cp = new CssSelectorParser ();
+                               cp.parse ("radio[enable=\"true\"]");
+                               foreach (CssSelectorData sel in cp.selectors) {
+                                       message ("Type: "+sel.selector_type.to_string ()+" : "+sel.data+" : 
"+sel.value);
+                               }
+                               assert (cp.selectors.size == 3);
+                               var s = cp.selectors[0];
+                               assert (s != null);
+                               assert (s.selector_type == CssSelectorType.ELEMENT);
+                               var si = cp.selectors[1];
+                               assert (si != null);
+                               assert (si.selector_type == CssSelectorType.INSIDE);
+                               var sa = cp.selectors[2];
+                               assert (sa != null);
+                               assert (sa.selector_type == CssSelectorType.ATTRIBUTE_EQUAL);
+                               var d = new GomDocument ();
+                               var r = d.create_element ("HTML");
+                               d.append_child (r);
+                               var c1 = d.create_element ("BODY");
+                               r.append_child (c1);
+                               var c2 = d.create_element ("radio");
+                               c2.set_attribute ("enable", "true");
+                               r.append_child (c2);
+                               assert (!cp.match (r));
+                               assert (!cp.match (c1));
+                               assert (!cp.match (c2));
+                       } catch (GLib.Error e){
+                               warning ("ERROR: "+e.message);
+                       }
+               });
        }
 }