mirror of
https://github.com/clementine-player/Clementine
synced 2024-12-17 12:02:48 +01:00
77 lines
3.1 KiB
C
77 lines
3.1 KiB
C
|
/* -*- 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 Universal charset detector code.
|
||
|
|
*
|
||
|
|
* The Initial Developer of the Original Code is
|
||
|
|
* Netscape Communications Corporation.
|
||
|
|
* Portions created by the Initial Developer are Copyright (C) 2001
|
||
|
|
* the Initial Developer. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Contributor(s):
|
||
|
|
* Shy Shalom <shooshX@gmail.com>
|
||
|
|
*
|
||
|
|
* 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 ***** */
|
||
|
|
#ifndef nsCharSetProber_h__
|
||
|
|
#define nsCharSetProber_h__
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
//#define DEBUG_chardet // Uncomment this for debug dump.
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
eDetecting = 0, //We are still detecting, no sure answer yet, but caller can ask for confidence.
|
||
|
|
eFoundIt = 1, //That's a positive answer
|
||
|
|
eNotMe = 2 //Negative answer
|
||
|
|
} nsProbingState;
|
||
|
|
|
||
|
|
#define SHORTCUT_THRESHOLD (float)0.95
|
||
|
|
|
||
|
|
class nsCharSetProber {
|
||
|
|
public:
|
||
|
|
virtual ~nsCharSetProber() {}
|
||
|
|
virtual const char* GetCharSetName() = 0;
|
||
|
|
virtual nsProbingState HandleData(const char* aBuf, uint32_t aLen) = 0;
|
||
|
|
virtual nsProbingState GetState(void) = 0;
|
||
|
|
virtual void Reset(void) = 0;
|
||
|
|
virtual float GetConfidence(void) = 0;
|
||
|
|
virtual void SetOpion() = 0;
|
||
|
|
|
||
|
|
#ifdef DEBUG_chardet
|
||
|
|
virtual void DumpStatus() {};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// Helper functions used in the Latin1 and Group probers.
|
||
|
|
// both functions Allocate a new buffer for newBuf. This buffer should be
|
||
|
|
// freed by the caller using PR_FREEIF.
|
||
|
|
// Both functions return false in case of memory allocation failure.
|
||
|
|
static bool FilterWithoutEnglishLetters(const char* aBuf, uint32_t aLen, char** newBuf, uint32_t& newLen);
|
||
|
|
static bool FilterWithEnglishLetters(const char* aBuf, uint32_t aLen, char** newBuf, uint32_t& newLen);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* nsCharSetProber_h__ */
|