If $native.read fails to open a file as UTF8, it opens it as ascii

This is a temporary solution to allow Atom to open binary files. The ultimate goal would be to have a hex-editor built into atom.

native/v8_extensions/native.mm

@@ -50,10 +50,16 @@ bool Native::Execute(const CefString& name,
     NSString *path = stringFromCefV8Value(arguments[0]);
 
     NSError *error = nil;
-    NSString *contents = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:&error];
+    NSStringEncoding *encoding = nil;
+    NSString *contents = [NSString stringWithContentsOfFile:path usedEncoding:encoding error:&error];
 
+    NSError *binaryFileError = nil;
     if (error) {
-      exception = [[error localizedDescription] UTF8String];
+      contents = [NSString stringWithContentsOfFile:path encoding:NSNonLossyASCIIStringEncoding error:&binaryFileError];
+    }
+    
+    if (binaryFileError) {
+      exception = [[binaryFileError localizedDescription] UTF8String];
     }
     else {
       retval = CefV8Value::CreateString([contents UTF8String]);

spec/stdlib/fs-spec.coffee

@@ -1,6 +1,13 @@
 fs = require 'fs'
 
 describe "fs", ->
+  describe ".read(path)", ->
+    it "return contents of file", ->
+      expect(fs.read(require.resolve("fixtures/sample.txt"))).toBe "Some text.\n"
+
+    it "does not through an exception when the path is a binary file", ->
+      expect(-> fs.read(require.resolve("fixtures/binary-file.png"))).not.toThrow()
+
   describe ".isFile(path)", ->
     fixturesDir = require.resolve('fixtures')