1 files changed, 47 insertions, 0 deletions
diff --git a/mfbt/JSONWriter.cpp b/mfbt/JSONWriter.cpp
new file mode 100644
index 0000000000..144291ae6a
--- /dev/null
+++ b/mfbt/JSONWriter.cpp
@@ -0,0 +1,47 @@
+/* -*- 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