91d73ec8ea
1. cd aegisub/ 2. svn mv *cpp *h src/ 3. svn mv Makefile.am MatroskaParser.c auto4_perldata.inc bitmaps boost \ changelog.txt config gl include libosxutil libresrc md5.c msvc mythes.cxx \ mythes.hxx res.rc src/ 4. cd .. 5. svn mv FFmpegSource2/ INSTALL Makefile.am README acinclude.m4 \ autogen.sh automation/ bin build configure.in desktop dummy.txt lib \ libass/ m4macros/ packages/ po/ scripts/ universalchardet/ aegisub/ 6. mkdir -p docs/wiki_convert 7. svn add docs/wiki_convert 8. cd docs 9. svn mv aegisub_convert_docs.pl convert.bat output wiki_convert/ * See r2749 for full description. Originally committed to SVN as r2752.
111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 Communicator client 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 "CharDistribution.h"
|
|
|
|
#include "JISFreq.tab"
|
|
#include "Big5Freq.tab"
|
|
#include "EUCKRFreq.tab"
|
|
#include "EUCTWFreq.tab"
|
|
#include "GB2312Freq.tab"
|
|
|
|
#define SURE_YES 0.99f
|
|
#define SURE_NO 0.01f
|
|
|
|
#define MINIMUM_DATA_THRESHOLD 4
|
|
|
|
//return confidence base on received data
|
|
float CharDistributionAnalysis::GetConfidence()
|
|
{
|
|
//if we didn't receive any character in our consideration range, or the
|
|
// number of frequent characters is below the minimum threshold, return
|
|
// negative answer
|
|
if (mTotalChars <= 0 || mFreqChars <= MINIMUM_DATA_THRESHOLD)
|
|
return SURE_NO;
|
|
|
|
if (mTotalChars != mFreqChars) {
|
|
float r = mFreqChars / ((mTotalChars - mFreqChars) * mTypicalDistributionRatio);
|
|
|
|
if (r < SURE_YES)
|
|
return r;
|
|
}
|
|
//normalize confidence, (we don't want to be 100% sure)
|
|
return SURE_YES;
|
|
}
|
|
|
|
EUCTWDistributionAnalysis::EUCTWDistributionAnalysis()
|
|
{
|
|
mCharToFreqOrder = EUCTWCharToFreqOrder;
|
|
mTableSize = EUCTW_TABLE_SIZE;
|
|
mTypicalDistributionRatio = EUCTW_TYPICAL_DISTRIBUTION_RATIO;
|
|
}
|
|
|
|
EUCKRDistributionAnalysis::EUCKRDistributionAnalysis()
|
|
{
|
|
mCharToFreqOrder = EUCKRCharToFreqOrder;
|
|
mTableSize = EUCKR_TABLE_SIZE;
|
|
mTypicalDistributionRatio = EUCKR_TYPICAL_DISTRIBUTION_RATIO;
|
|
}
|
|
|
|
GB2312DistributionAnalysis::GB2312DistributionAnalysis()
|
|
{
|
|
mCharToFreqOrder = GB2312CharToFreqOrder;
|
|
mTableSize = GB2312_TABLE_SIZE;
|
|
mTypicalDistributionRatio = GB2312_TYPICAL_DISTRIBUTION_RATIO;
|
|
}
|
|
|
|
Big5DistributionAnalysis::Big5DistributionAnalysis()
|
|
{
|
|
mCharToFreqOrder = Big5CharToFreqOrder;
|
|
mTableSize = BIG5_TABLE_SIZE;
|
|
mTypicalDistributionRatio = BIG5_TYPICAL_DISTRIBUTION_RATIO;
|
|
}
|
|
|
|
SJISDistributionAnalysis::SJISDistributionAnalysis()
|
|
{
|
|
mCharToFreqOrder = JISCharToFreqOrder;
|
|
mTableSize = JIS_TABLE_SIZE;
|
|
mTypicalDistributionRatio = JIS_TYPICAL_DISTRIBUTION_RATIO;
|
|
}
|
|
|
|
EUCJPDistributionAnalysis::EUCJPDistributionAnalysis()
|
|
{
|
|
mCharToFreqOrder = JISCharToFreqOrder;
|
|
mTableSize = JIS_TABLE_SIZE;
|
|
mTypicalDistributionRatio = JIS_TYPICAL_DISTRIBUTION_RATIO;
|
|
}
|
|
|