Add TypedData instance kinds.

runtime/vm/json_stream.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/assert.h"
 
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
 #include "vm/json_stream.h"
 #include "vm/message.h"
@@ skipping 259 matching lines @@
   buffer_.Printf("%" Pd64 "", i);
 }
 
 
 void JSONStream::PrintValue(double d) {
   PrintCommaIfNeeded();
   buffer_.Printf("%f", d);
 }
 
 
+static const char base64_digits[65] =
+  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+static const char base64_pad = '=';
+
+
+void JSONStream::PrintValueBase64(const uint8_t* bytes, intptr_t length) {
+  PrintCommaIfNeeded();
+  buffer_.AddChar('"');
+
+  intptr_t odd_bits = length % 3;
+  intptr_t even_bits = length - odd_bits;
+  for (intptr_t i = 0; i < even_bits; i += 3) {
+    intptr_t triplet = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
+    buffer_.AddChar(base64_digits[triplet >> 18]);
+    buffer_.AddChar(base64_digits[(triplet >> 12) & 63]);
+    buffer_.AddChar(base64_digits[(triplet >> 6) & 63]);
+    buffer_.AddChar(base64_digits[triplet & 63]);
+  }
+  if (odd_bits == 1) {
+    intptr_t triplet = bytes[even_bits] << 16;
+    buffer_.AddChar(base64_digits[triplet >> 18]);
+    buffer_.AddChar(base64_digits[(triplet >> 12) & 63]);
+    buffer_.AddChar(base64_pad);
+    buffer_.AddChar(base64_pad);
+  } else if (odd_bits == 2) {
+    intptr_t triplet = (bytes[even_bits] << 16) | (bytes[even_bits + 1] << 8);
+    buffer_.AddChar(base64_digits[triplet >> 18]);
+    buffer_.AddChar(base64_digits[(triplet >> 12) & 63]);
+    buffer_.AddChar(base64_digits[(triplet >> 6) & 63]);
+    buffer_.AddChar(base64_pad);
+  }
+
+  buffer_.AddChar('"');
+}
+
+
 void JSONStream::PrintValue(const char* s) {
   PrintCommaIfNeeded();
   buffer_.AddChar('"');
   AddEscapedUTF8String(s);
   buffer_.AddChar('"');
 }
 
 
 bool JSONStream::PrintValueStr(const String& s, intptr_t limit) {
   PrintCommaIfNeeded();
@@ skipping 96 matching lines @@
   PrintValue(d);
 }
 
 
 void JSONStream::PrintProperty(const char* name, const char* s) {
   PrintPropertyName(name);
   PrintValue(s);
 }
 
 
+void JSONStream::PrintPropertyBase64(const char* name,
+                                     const uint8_t* b,
+                                     intptr_t len) {
+  PrintPropertyName(name);
+  PrintValueBase64(b, len);
+}
+
+
 bool JSONStream::PrintPropertyStr(const char* name,
                                   const String& s,
                                   intptr_t limit) {
   PrintPropertyName(name);
   return PrintValueStr(s, limit);
 }
 
 
 void JSONStream::PrintPropertyNoEscape(const char* name, const char* s) {
   PrintPropertyName(name);
@@ skipping 215 matching lines @@
   intptr_t len2 = OS::VSNPrint(p, len+1, format, args);
   va_end(args);
   ASSERT(len == len2);
   stream_->buffer_.AddChar('"');
   stream_->AddEscapedUTF8String(p);
   stream_->buffer_.AddChar('"');
   free(p);
 }
 
 }  // namespace dart