1 files changed, 80 insertions, 0 deletions
diff --git a/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsSJISProber.h b/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsSJISProber.h
new file mode 100644
index 0000000..f326ded
--- /dev/null
+++ b/src/ext/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsSJISProber.h
@@ -0,0 +1,80 @@
+/* -*- 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 ***** */
+
+// for S-JIS encoding, obeserve characteristic:
+// 1, kana character (or hankaku?) often have hight frequency of appereance
+// 2, kana character often exist in group
+// 3, certain combination of kana is never used in japanese language
+
+#ifndef nsSJISProber_h__
+#define nsSJISProber_h__
+
+#include "nsCharSetProber.h"
+#include "nsCodingStateMachine.h"
+#include "JpCntx.h"
+#include "CharDistribution.h"
+
+
+class nsSJISProber: public nsCharSetProber {
+public:
+  nsSJISProber(PRBool aIsPreferredLanguage)
+    :mIsPreferredLanguage(aIsPreferredLanguage)
+  {mCodingSM = new nsCodingStateMachine(&SJISSMModel);
+    Reset();}
+  virtual ~nsSJISProber(void){delete mCodingSM;}
+  nsProbingState HandleData(const char* aBuf, PRUint32 aLen);
+  const char* GetCharSetName() {return "SHIFT_JIS";}
+  nsProbingState GetState(void) {return mState;}
+  void      Reset(void);
+  float     GetConfidence(void);
+  void      SetOpion() {}
+
+protected:
+  nsCodingStateMachine* mCodingSM;
+  nsProbingState mState;
+
+  SJISContextAnalysis mContextAnalyser;
+  SJISDistributionAnalysis mDistributionAnalyser;
+
+  char mLastChar[2];
+  PRBool mIsPreferredLanguage;
+
+};
+
+
+#endif /* nsSJISProber_h__ */
+