Add "ffi" module

Author: loyd

node-ffi/node-ffi-tests.ts

@@ -1,18 +1,56 @@
 /// <reference path="node-ffi.d.ts" />
 
+import ffi = require('ffi');
 import ref = require('ref');
 
-ref.address(new Buffer(1));
-var intBuf = ref.alloc(ref.types.int);
-var intWith4 = ref.alloc(ref.types.int, 4);
-var buf0 = ref.allocCString('hello world');
-var type = ref.coerceType('int **');
-var val = ref.deref(intBuf);
-ref.isNull(new Buffer(1));
-var str = ref.readCString(new Buffer('hello\0world\0'), 0);
-var buf1 = ref.alloc('int64');
-ref.writeInt64BE(buf1, 0, '9223372036854775807');
-var val = ref.readInt64BE(buf1, 0)
-var voidPtrType = ref.refType(ref.types.void);
-var buf2 = ref.alloc('int64');
-ref.writeInt64LE(buf2, 0, '9223372036854775807');
+{
+    var sqlite3 = ref.types.void;
+    var sqlite3Ptr = ref.refType(sqlite3);
+    var sqlite3PtrPtr = ref.refType(sqlite3Ptr);
+    var stringPtr = ref.refType(ref.types.CString);
+
+    var libsqlite3 = ffi.Library('libsqlite3', {
+      'sqlite3_open': [ 'int', [ 'string', sqlite3PtrPtr ] ],
+      'sqlite3_close': [ 'int', [ sqlite3PtrPtr ] ],
+      'sqlite3_exec': [ 'int', [ sqlite3PtrPtr, 'string', 'pointer', 'pointer', stringPtr ] ],
+      'sqlite3_changes': [ 'int', [ sqlite3PtrPtr ]]
+    });
+
+    var dbPtrPtr = ref.alloc(sqlite3PtrPtr);
+    libsqlite3.sqlite3_open("test.sqlite3", dbPtrPtr);
+    var dbHandle = dbPtrPtr.deref();
+}
+{
+    var func = ffi.ForeignFunction(new Buffer(10), 'int', [ 'int' ]);
+    func(-5);
+    func.async(-5, function(err, res) {});
+}
+{
+    var printfPointer = ffi.DynamicLibrary().get('printf');
+    var printfGen = ffi.VariadicForeignFunction(printfPointer, 'void', [ 'string' ]);
+    printfGen()('Hello World!\n');
+    printfGen('int')('This is an int: %d\n', 10);
+    printfGen('string')('This is a string: %s\n', 'hello');
+}
+{
+    ref.address(new Buffer(1));
+    var intBuf = ref.alloc(ref.types.int);
+    var intWith4 = ref.alloc(ref.types.int, 4);
+    var buf0 = ref.allocCString('hello world');
+    var type = ref.coerceType('int **');
+    var val = ref.deref(intBuf);
+}
+{
+    ref.isNull(new Buffer(1));
+}
+{
+    var str = ref.readCString(new Buffer('hello\0world\0'), 0);
+    var buf = ref.alloc('int64');
+    ref.writeInt64BE(buf, 0, '9223372036854775807');
+    var val = ref.readInt64BE(buf, 0)
+}
+{
+    var voidPtrType = ref.refType(ref.types.void);
+    var buf = ref.alloc('int64');
+    ref.writeInt64LE(buf, 0, '9223372036854775807');
+}