1 files changed, 101 insertions, 0 deletions
diff --git a/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsEscCharsetProber.cpp b/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsEscCharsetProber.cpp
new file mode 100644
index 0000000..464c753
--- /dev/null
+++ b/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsEscCharsetProber.cpp
@@ -0,0 +1,101 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+
+#include "nsEscCharsetProber.h"
+#include "nsUniversalDetector.h"
+
+nsEscCharSetProber::nsEscCharSetProber(PRUint32 aLanguageFilter)
+{
+  for (PRUint32 i = 0; i < NUM_OF_ESC_CHARSETS; i++)
+    mCodingSM[i] = nsnull;
+  if (aLanguageFilter & NS_FILTER_CHINESE_SIMPLIFIED) 
+  {
+    mCodingSM[0] = new nsCodingStateMachine(&HZSMModel);
+    mCodingSM[1] = new nsCodingStateMachine(&ISO2022CNSMModel);
+  }
+  if (aLanguageFilter & NS_FILTER_JAPANESE)
+    mCodingSM[2] = new nsCodingStateMachine(&ISO2022JPSMModel);
+  if (aLanguageFilter & NS_FILTER_KOREAN)
+    mCodingSM[3] = new nsCodingStateMachine(&ISO2022KRSMModel);
+  mActiveSM = NUM_OF_ESC_CHARSETS;
+  mState = eDetecting;
+  mDetectedCharset = nsnull;
+}
+
+nsEscCharSetProber::~nsEscCharSetProber(void)
+{
+  for (PRUint32 i = 0; i < NUM_OF_ESC_CHARSETS; i++)
+    delete mCodingSM[i];
+}
+
+void nsEscCharSetProber::Reset(void)
+{
+  mState = eDetecting;
+  for (PRUint32 i = 0; i < NUM_OF_ESC_CHARSETS; i++)
+    if (mCodingSM[i])
+      mCodingSM[i]->Reset();
+  mActiveSM = NUM_OF_ESC_CHARSETS;
+  mDetectedCharset = nsnull;
+}
+
+nsProbingState nsEscCharSetProber::HandleData(const char* aBuf, PRUint32 aLen)
+{
+  nsSMState codingState;
+  PRInt32 j;
+  PRUint32 i;
+
+  for ( i = 0; i < aLen && mState == eDetecting; i++)
+  {
+    for (j = mActiveSM-1; j>= 0; j--)
+    {
+      if (mCodingSM[j])
+      {
+        codingState = mCodingSM[j]->NextState(aBuf[i]);
+        if (codingState == eItsMe)
+        {
+          mState = eFoundIt;
+          mDetectedCharset = mCodingSM[j]->GetCodingStateMachine();
+          return mState;
+        }
+      }
+    }
+  }
+
+  return mState;
+}
+