1 files changed, 46 insertions, 0 deletions
diff --git a/extensions/universalchardet/src/base/nsEscCharsetProber.cpp b/extensions/universalchardet/src/base/nsEscCharsetProber.cpp
new file mode 100644
index 000000000..b4fbfeb00
--- /dev/null
+++ b/extensions/universalchardet/src/base/nsEscCharsetProber.cpp
@@ -0,0 +1,46 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "nsEscCharsetProber.h"
+#include "nsUniversalDetector.h"
+
+nsEscCharSetProber::nsEscCharSetProber()
+{
+  mCodingSM = new nsCodingStateMachine(&ISO2022JPSMModel);
+  mState = eDetecting;
+  mDetectedCharset = nullptr;
+}
+
+nsEscCharSetProber::~nsEscCharSetProber(void)
+{
+}
+
+void nsEscCharSetProber::Reset(void)
+{
+  mState = eDetecting;
+  mCodingSM->Reset();
+  mDetectedCharset = nullptr;
+}
+
+nsProbingState nsEscCharSetProber::HandleData(const char* aBuf, uint32_t aLen)
+{
+  nsSMState codingState;
+  uint32_t i;
+
+  for ( i = 0; i < aLen && mState == eDetecting; i++)
+  {
+    codingState = mCodingSM->NextState(aBuf[i]);
+    if (codingState == eItsMe)
+    {
+      mState = eFoundIt;
+      mDetectedCharset = mCodingSM->GetCodingStateMachine();
+      return mState;
+    }
+  }
+
+  return mState;
+}
+