From 95c5b94fedde8ed6a563645df989c8293288a80f Mon Sep 17 00:00:00 2001
From: =?utf8?q?Manuel=20Carrasco=20Mo=C3=B1ino?=
 <manuel.carrasco.m@gmail.com>
Date: Mon, 9 Dec 2013 04:16:24 +0100
Subject: [PATCH] Allow custom replacers in jsni-bundle anotations

---
 .../gwt/query/client/builders/JsniBundle.java | 36 +++++++++++++------
 .../gwt/query/rebind/JsniBundleGenerator.java |  7 ++++
 2 files changed, 32 insertions(+), 11 deletions(-)

diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsniBundle.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsniBundle.java
index 14b3f1f2..a0a77e2e 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsniBundle.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/builders/JsniBundle.java
@@ -15,7 +15,7 @@
  */
 package com.google.gwt.query.client.builders;
 
-import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.ElementType.METHOD;
 
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
@@ -23,11 +23,11 @@ import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 /**
- * A tag interface that is used in the generation of jsni bundles. 
- * 
+ * A tag interface that is used in the generation of jsni bundles.
+ *
  * A jsni-bundle is a class with jsni methods whose content is taken from
  * external handwritten javascript files.
- * 
+ *
  * The goals of using this technique are:
  *   - Use pure javascript files so as we can use IDEs for editing, formating etc,
  *     instead of dealing with code in comment blocks.
@@ -65,13 +65,13 @@ import java.lang.annotation.Target;
  * </pre>
  */
 public interface JsniBundle {
-  
+
   /**
    * Annotation to mark inclusion of third-party libraries.
-   *  
+   *
    * The content is wrapped with an inner javascript function to set
    * the context to the document window instead of the iframe where GWT
-   * code is run. 
+   * code is run.
    */
   @Target({METHOD})
   @Retention(RetentionPolicy.RUNTIME)
@@ -92,12 +92,19 @@ public interface JsniBundle {
      * Fragment of code to include after the external javascript has been
      * written.
      */
-    String postpend() default "\n}.apply($wnd, [$wnd, $doc, $wnd.console]));"; 
+    String postpend() default "\n}.apply($wnd, [$wnd, $doc, $wnd.console]));";
+
+    /**
+     * Regular expression to run over the javascript code to import.
+     *
+     * You should add pairs of values with the same syntax than String.replaceAll.
+     */
+    String[] replace() default {};
   }
-  
+
   /**
    * Annotation to mark inclusion of jsni code writen in external js files.
-   *  
+   *
    * The content is not wrapped by default, so the developer has the responsibility
    * to return the suitable value and to handle correctly parameters.
    */
@@ -120,6 +127,13 @@ public interface JsniBundle {
      * Fragment of code to include after the external javascript has been
      * written.
      */
-    String postpend() default ""; 
+    String postpend() default "";
+
+    /**
+     * Regular expression to run over the javascript code to import.
+     *
+     * You should add pairs of values with the same syntax than String.replaceAll.
+     */
+    String[] replace() default {};
   }
 }
diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/rebind/JsniBundleGenerator.java b/gwtquery-core/src/main/java/com/google/gwt/query/rebind/JsniBundleGenerator.java
index a1520304..66ed45a4 100644
--- a/gwtquery-core/src/main/java/com/google/gwt/query/rebind/JsniBundleGenerator.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/rebind/JsniBundleGenerator.java
@@ -75,16 +75,19 @@ public class JsniBundleGenerator extends Generator {
         for (JMethod method : clazz.getMethods()) {
           LibrarySource librarySource = method.getAnnotation(LibrarySource.class);
           String value, prepend, postpend;
+          String replace[];
           if (librarySource != null) {
             value = librarySource.value();
             prepend = librarySource.prepend();
             postpend = librarySource.postpend();
+            replace = librarySource.replace();
           } else {
             MethodSource methodSource = method.getAnnotation(MethodSource.class);
             if (methodSource != null) {
               value = methodSource.value();
               prepend = methodSource.prepend();
               postpend = methodSource.postpend();
+              replace = methodSource.replace();
             } else {
               continue;
             }
@@ -97,6 +100,10 @@ public class JsniBundleGenerator extends Generator {
             // breaking java syntax.
             String jsni = parseJavascriptSource(content);
 
+            for (int i = 0; i < replace.length - 1; i += 2) {
+              jsni = jsni.replaceAll(replace[i], replace[i+1]);
+            }
+
             pw.println(method.toString().replace("abstract", "native") + "/*-{");
             pw.println(prepend);
             pw.println(jsni);
-- 
2.39.5