1 files changed, 49 insertions, 0 deletions
diff --git a/mfbt/JSONWriter.cpp b/mfbt/JSONWriter.cpp
new file mode 100644
index 000000000..fc4897934
--- /dev/null
+++ b/mfbt/JSONWriter.cpp
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/JSONWriter.h"
+
+namespace mozilla {
+namespace detail {
+
+// The chars with non-'___' entries in this table are those that can be
+// represented with a two-char escape sequence. The value is the second char in
+// the sequence, that which follows the initial backslash.
+#define ___ 0
+const char gTwoCharEscapes[256] = {
+/*          0    1    2    3    4    5    6    7    8    9 */
+/*   0+ */ ___, ___, ___, ___, ___, ___, ___, ___, 'b', 't',
+/*  10+ */ 'n', ___, 'f', 'r', ___, ___, ___, ___, ___, ___,
+/*  20+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/*  30+ */ ___, ___, ___, ___, '"', ___, ___, ___, ___, ___,
+/*  40+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/*  50+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/*  60+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/*  70+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/*  80+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/*  90+ */ ___, ___,'\\', ___, ___, ___, ___, ___, ___, ___,
+/* 100+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 110+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 120+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 130+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 140+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 150+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 160+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 170+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 180+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 190+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 200+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 210+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 220+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 230+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 240+ */ ___, ___, ___, ___, ___, ___, ___, ___, ___, ___,
+/* 250+ */ ___, ___, ___, ___, ___, ___
+};
+#undef ___
+
+} // namespace detail
+} // namespace mozilla
+