From b2fe136c07bd889106f7995544a30811d6d9411b Mon Sep 17 00:00:00 2001
From: Manolo Carrasco <manolo@apache.org>
Date: Tue, 12 Jul 2011 19:47:44 +0000
Subject: [PATCH] adding :odd :even :first :last pseudo selectors in xpath
 implementation. Related issue86

---
 .../gwt/query/client/impl/SelectorEngineCssToXPath.java  | 9 ++++++++-
 .../gwt/query/client/impl/SelectorEngineNative.java      | 2 +-
 .../gwt/query/client/impl/SelectorEngineNativeIE8.java   | 2 +-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineCssToXPath.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineCssToXPath.java
index 7426aa29..dad73d9a 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineCssToXPath.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineCssToXPath.java
@@ -99,7 +99,7 @@ public class SelectorEngineCssToXPath extends SelectorEngineImpl {
     // add @ for attrib
     "\\[([^@\\]~\\$\\*\\^\\|\\!]+)(=[^\\]]+)?\\]", "[@$1$2]",
     // multiple queries
-    "\\s*,\\s*", "|",
+    "\\s*,\\s*", "|.//",
     // , + ~ >
     "\\s*(\\+|~|>)\\s*", "$1",
     //* ~ + >
@@ -120,7 +120,12 @@ public class SelectorEngineCssToXPath extends SelectorEngineImpl {
     "([\\w\\-\\*]+):only-child", "*[last()=1]/self::$1",
     // :empty
     "([\\w\\-\\*]+):empty", "$1[not(*) and not(normalize-space())]",
+    // :odd :even, this is intentional since sizzle behaves so
+    ":odd" , ":nth-child(even)",
+    ":even" , ":nth-child(odd)",
+    // :not
     "(.+):not\\(([^\\)]*)\\)", rc_Not,
+    // :nth-child
     "([a-zA-Z0-9\\_\\-\\*]+):nth-child\\(([^\\)]*)\\)", rc_nth_child,
     // :contains(selectors)
     ":contains\\(([^\\)]*)\\)", "[contains(string(.),'$1')]",
@@ -145,6 +150,8 @@ public class SelectorEngineCssToXPath extends SelectorEngineImpl {
     ":(enabled)", "[not(@disabled)]",
     ":(checked)", "[@$1='$1']",
     ":(disabled)", "[@$1]",
+    ":(first)", "[1]",
+    ":(last)", "[last()]",
     // put '*' when tag is omitted
     "(^|\\|)(\\[)", "$1*$2",
     // Replace escaped dots and spaces
diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineNative.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineNative.java
index 7996d107..d69148c4 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineNative.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineNative.java
@@ -26,7 +26,7 @@ import com.google.gwt.dom.client.NodeList;
  */
 public class SelectorEngineNative extends SelectorEngineImpl {
 
-  public static String NATIVE_EXCEPTIONS_REGEXP = ".*(:contains|!=).*";
+  public static String NATIVE_EXCEPTIONS_REGEXP = ".*(:contains|!=|:first|:last|:even|:odd).*";
   
   private static HasSelector impl;
   
diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineNativeIE8.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineNativeIE8.java
index bc55b50c..9c405cd6 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineNativeIE8.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/impl/SelectorEngineNativeIE8.java
@@ -29,7 +29,7 @@ import com.google.gwt.dom.client.NodeList;
  */
 public class SelectorEngineNativeIE8 extends SelectorEngineSizzleIE {
   
-  public static String NATIVE_EXCEPTIONS_REGEXP = ".*(:contains|!=|:checked|:not|:nth-|:last-|:only-).*";
+  public static String NATIVE_EXCEPTIONS_REGEXP = ".*(:contains|!=|:checked|:not|:nth-|:only-|:first|:last|:even|:odd).*";
   
   public NodeList<Element> select(String selector, Node ctx) {
     if (!SelectorEngine.hasQuerySelector || selector.matches(NATIVE_EXCEPTIONS_REGEXP)) {
-- 
2.39.5