Add "ref-struct" module

node-ffi/node-ffi.d.ts

@@ -6,9 +6,7 @@
 /// <reference path="../node/node.d.ts" />
 
 declare module "ffi" {
-    // import StructType = require('ref-struct');
-    
-    export interface StructType {}
+    import StructType = require('ref-struct');
 
     export interface Type {
         /** The size in bytes required to hold this datatype. */
@@ -435,3 +433,60 @@ interface NodeBuffer {
      */
     inspect(): string;
 }
+
+declare module "ref-struct" {
+    import ffi = require('ffi');
+
+    /**
+     * This is the `constructor` of the Struct type that gets returned.
+     *
+     * Invoke it with `new` to create a new Buffer instance backing the struct.
+     * Pass it an existing Buffer instance to use that as the backing buffer.
+     * Pass in an Object containing the struct fields to auto-populate the
+     * struct with the data.
+     *
+     * @constructor
+     */
+    interface StructType extends ffi.Type {
+        /** Pass it an existing Buffer instance to use that as the backing buffer. */
+        new (arg: NodeBuffer, data?: {}): any;
+        new (data?: {}): any;
+        /** Pass it an existing Buffer instance to use that as the backing buffer. */
+        (arg: NodeBuffer, data?: {}): any;
+        (data?: {}): any;
+
+        fields: {[key: string]: {type: ffi.Type}};
+
+        /**
+         * Adds a new field to the struct instance with the given name and type.
+         * Note that this function will throw an Error if any instances of the struct
+         * type have already been created, therefore this function must be called at the
+         * beginning, before any instances are created.
+         */
+        defineProperty(name: string, type: ffi.Type): void;
+        
+        /**
+         * Adds a new field to the struct instance with the given name and type.
+         * Note that this function will throw an Error if any instances of the struct
+         * type have already been created, therefore this function must be called at the
+         * beginning, before any instances are created.
+         */
+        defineProperty(name: string, type: string): void;
+
+        /**
+         * Custom for struct type instances.
+         * @override
+         */
+        toString(): string;
+    }
+
+    /** The struct type meta-constructor. */
+    var StructType: {
+        new (fields?: {}): StructType;
+        new (fields?: any[]): StructType;
+        (fields?: {}): StructType;
+        (fields?: any[]): StructType;
+    }
+
+    export = StructType;
+}