Porting forward_static_call functions and fix to call_user_func().

ztianfu · Jul 1, 2009 · fff8353 · fff8353
1 parent ebbc62c
commit fff8353
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Showing 5 changed files with 53 additions and 3 deletions.
diff --git a/_unported/funchand/forward_static_call.js b/_unported/funchand/forward_static_call.js
diff --git a/_unported/funchand/forward_static_call_array.js b/_unported/funchand/forward_static_call_array.js
diff --git a/functions/funchand/call_user_func.js b/functions/funchand/call_user_func.js
@@ -20,5 +20,5 @@ function call_user_func(cb, parameters) {
         throw new Error(func + ' is not a valid function');
     }
 
-    return func.apply(null, Array.prototype.slice.call(parameters, 1));
+    return func.apply(null, Array.prototype.slice.call(arguments, 1));
 }
diff --git a/functions/funchand/forward_static_call.js b/functions/funchand/forward_static_call.js
@@ -0,0 +1,25 @@
+function forward_static_call(cb, parameters) {
+    // http://kevin.vanzonneveld.net
+    // +   original by: Brett Zamir (http://brett-zamir.me)
+    // %          note 1: No real relevance to late static binding here; might also use call_user_func()
+    // *     example 1: forward_static_call('isNaN', 'a');
+    // *     returns 1: true
+
+    var func;
+
+    if (typeof cb == 'string') {
+        if (typeof this[cb] == 'function') {
+            func = this[cb];
+        } else {
+            func = (new Function(null, 'return ' + cb))();
+        }
+    } else if (cb instanceof Array) {
+        func = eval(cb[0]+"['"+cb[1]+"']");
+    }
+
+    if (typeof func != 'function') {
+        throw new Error(func + ' is not a valid function');
+    }
+
+    return func.apply(null, Array.prototype.slice.call(arguments, 1));
+}
diff --git a/functions/funchand/forward_static_call_array.js b/functions/funchand/forward_static_call_array.js
@@ -0,0 +1,27 @@
+function forward_static_call_array(cb, parameters) {
+    // http://kevin.vanzonneveld.net
+    // +   original by: Brett Zamir (http://brett-zamir.me)
+    // %          note 1: No real relevance to late static binding here; might also use call_user_func_array()
+    // *     example 1: forward_static_call_array('isNaN', ['a']);
+    // *     returns 1: true
+    // *     example 2: forward_static_call_array('isNaN', [1]);
+    // *     returns 2: false
+
+    var func;
+
+    if (typeof cb == 'string') {
+        if (typeof this[cb] == 'function') {
+            func = this[cb];
+        } else {
+            func = (new Function(null, 'return ' + cb))();
+        }
+    } else if (cb instanceof Array) {
+        func = eval(cb[0]+"['"+cb[1]+"']");
+    }
+
+    if (typeof func != 'function') {
+        throw new Error(func + ' is not a valid function');
+    }
+
+    return func.apply(null, parameters);
+}