mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-11 02:10:17 +01:00
387 lines
10 KiB
C++
387 lines
10 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.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):
|
|
* Pierre Phaneuf <pp@ludusdesign.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of 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 "nsISupports.h"
|
|
#include "nsIComponentManager.h"
|
|
#include "nsICharsetDetector.h"
|
|
#include "nsICharsetDetectionObserver.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#if defined(XP_WIN) || defined(XP_OS2)
|
|
#include <io.h>
|
|
#endif
|
|
#ifdef XP_UNIX
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
|
|
class nsStatis {
|
|
public:
|
|
nsStatis() { };
|
|
virtual ~nsStatis() { };
|
|
virtual PRBool HandleData(const char* aBuf, PRUint32 aLen) = 0;
|
|
virtual void DataEnd() = 0;
|
|
virtual void Report()=0;
|
|
};
|
|
|
|
class nsBaseStatis : public nsStatis {
|
|
public:
|
|
nsBaseStatis(unsigned char aL, unsigned char aH, float aR) ;
|
|
virtual ~nsBaseStatis() {};
|
|
virtual PRBool HandleData(const char* aBuf, PRUint32 aLen);
|
|
virtual void DataEnd() ;
|
|
virtual void Report();
|
|
protected:
|
|
unsigned char mLWordHi;
|
|
unsigned char mLWordLo;
|
|
private:
|
|
PRUint32 mNumOf2Bytes;
|
|
PRUint32 mNumOfLChar;
|
|
PRUint32 mNumOfLWord;
|
|
PRUint32 mLWordLength;
|
|
PRUint32 mLWordLen[10];
|
|
float mR;
|
|
PRBool mTailByte;
|
|
PRBool mLastLChar;
|
|
};
|
|
nsBaseStatis::nsBaseStatis(unsigned char aL, unsigned char aH, float aR)
|
|
{
|
|
mNumOf2Bytes = mNumOfLWord = mLWordLength = mNumOfLChar= 0;
|
|
mTailByte = mLastLChar = PR_FALSE;
|
|
for(PRUint32 i =0;i < 20; i++)
|
|
mLWordLen[i] = 0;
|
|
mLWordHi = aH;
|
|
mLWordLo = aL;
|
|
mR = aR;
|
|
}
|
|
PRBool nsBaseStatis::HandleData(const char* aBuf, PRUint32 aLen)
|
|
{
|
|
for(PRUint32 i=0; i < aLen; i++)
|
|
{
|
|
if(mTailByte)
|
|
mTailByte = PR_FALSE;
|
|
else
|
|
{
|
|
mTailByte = (0x80 == ( aBuf[i] & 0x80));
|
|
if(mTailByte)
|
|
{
|
|
mNumOf2Bytes++;
|
|
unsigned char a = (unsigned char) aBuf[i];
|
|
PRBool thisLChar = (( mLWordLo <= a) && (a <= mLWordHi));
|
|
if(thisLChar)
|
|
{
|
|
mNumOfLChar++;
|
|
mLWordLength++;
|
|
} else {
|
|
if(mLastLChar) {
|
|
mNumOfLWord++;
|
|
mLWordLen[ (mLWordLength > 10) ? 9 : (mLWordLength-1)]++;
|
|
mLWordLength =0 ;
|
|
}
|
|
}
|
|
mLastLChar = thisLChar;
|
|
} else {
|
|
if(mLastLChar) {
|
|
mNumOfLWord++;
|
|
mLWordLen[ (mLWordLength > 10) ? 9 : (mLWordLength-1)]++;
|
|
mLWordLength =0 ;
|
|
mLastLChar = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
void nsBaseStatis::DataEnd()
|
|
{
|
|
if(mLastLChar) {
|
|
mNumOfLWord++;
|
|
mLWordLen[ (mLWordLength > 10) ? 9 : (mLWordLength-1)]++;
|
|
}
|
|
}
|
|
void nsBaseStatis::Report()
|
|
{
|
|
if(mNumOf2Bytes > 0)
|
|
{
|
|
/*
|
|
printf("LChar Ratio = %d : %d ( %5.3f)\n",
|
|
mNumOfLChar,
|
|
mNumOf2Bytes,
|
|
((float)mNumOfLChar / (float)mNumOf2Bytes) * 100);
|
|
*/
|
|
float rate = (float) mNumOfLChar / (float) mNumOf2Bytes;
|
|
float delta = (rate - mR) / mR;
|
|
delta *= delta * 1000;
|
|
#ifdef EXPERIMENT
|
|
printf("Exp = %f \n",delta);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
|
|
if(mNumOfLChar > 0)
|
|
printf("LWord Word = %d : %d (%5.3f)\n",
|
|
mNumOfLWord,
|
|
mNumOfLChar,
|
|
((float)mNumOfLWord / (float)mNumOfLChar) * 100);
|
|
if(mNumOfLWord > 0)
|
|
{
|
|
PRUint32 ac =0;
|
|
for(PRUint32 i=0;i<10;i++)
|
|
{
|
|
ac += mLWordLen[i];
|
|
printf("LWord Word Length[%d]= %d -> %5.3f%% %5.3f%%\n", i+1,
|
|
mLWordLen[i],
|
|
(((float)mLWordLen[i] / (float)mNumOfLWord) * 100),
|
|
(((float)ac / (float)mNumOfLWord) * 100));
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
|
|
|
|
class nsSimpleStatis : public nsStatis {
|
|
public:
|
|
nsSimpleStatis(unsigned char aL, unsigned char aH, float aR,const char* aCharset) ;
|
|
virtual ~nsSimpleStatis() {};
|
|
virtual PRBool HandleData(const char* aBuf, PRUint32 aLen);
|
|
virtual void DataEnd() ;
|
|
virtual void Report();
|
|
protected:
|
|
unsigned char mLWordHi;
|
|
unsigned char mLWordLo;
|
|
private:
|
|
PRUint32 mNumOf2Bytes;
|
|
PRUint32 mNumOfLChar;
|
|
float mR;
|
|
const char* mCharset;
|
|
PRBool mTailByte;
|
|
};
|
|
nsSimpleStatis::nsSimpleStatis(unsigned char aL, unsigned char aH, float aR, const char* aCharset)
|
|
{
|
|
mNumOf2Bytes = mNumOfLChar= 0;
|
|
mTailByte = PR_FALSE;
|
|
mLWordHi = aH;
|
|
mLWordLo = aL;
|
|
mR = aR;
|
|
mCharset = aCharset;
|
|
}
|
|
PRBool nsSimpleStatis::HandleData(const char* aBuf, PRUint32 aLen)
|
|
{
|
|
for(PRUint32 i=0; i < aLen; i++)
|
|
{
|
|
if(mTailByte)
|
|
mTailByte = PR_FALSE;
|
|
else
|
|
{
|
|
mTailByte = (0x80 == ( aBuf[i] & 0x80));
|
|
if(mTailByte)
|
|
{
|
|
mNumOf2Bytes++;
|
|
unsigned char a = (unsigned char) aBuf[i];
|
|
PRBool thisLChar = (( mLWordLo <= a) && (a <= mLWordHi));
|
|
if(thisLChar)
|
|
mNumOfLChar++;
|
|
}
|
|
}
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
void nsSimpleStatis::DataEnd()
|
|
{
|
|
}
|
|
void nsSimpleStatis::Report()
|
|
{
|
|
if(mNumOf2Bytes > 0)
|
|
{
|
|
float rate = (float) mNumOfLChar / (float) mNumOf2Bytes;
|
|
float delta = (rate - mR) / mR;
|
|
delta = delta * delta * (float)100;
|
|
#ifdef EXPERIMENT
|
|
printf("Exp = %f \n",delta);
|
|
if(delta < 1.0)
|
|
printf("This is %s\n" ,mCharset);
|
|
#endif
|
|
|
|
}
|
|
}
|
|
//==========================================================
|
|
|
|
|
|
#define MAXBSIZE (1L << 13)
|
|
|
|
void usage() {
|
|
printf("Usage: DetectFile detector blocksize\n"
|
|
" detector: "
|
|
"ja_parallel_state_machine,"
|
|
"ko_parallel_state_machine,"
|
|
"zhcn_parallel_state_machine,"
|
|
"zhtw_parallel_state_machine,"
|
|
"zh_parallel_state_machine,"
|
|
"cjk_parallel_state_machine,"
|
|
"ruprob,"
|
|
"ukprob,"
|
|
"\n blocksize: 1 ~ %ld\n"
|
|
" Data are passed in from STDIN\n"
|
|
, MAXBSIZE);
|
|
}
|
|
|
|
class nsReporter : public nsICharsetDetectionObserver
|
|
{
|
|
NS_DECL_ISUPPORTS
|
|
public:
|
|
nsReporter() { };
|
|
virtual ~nsReporter() { };
|
|
|
|
NS_IMETHOD Notify(const char* aCharset, nsDetectionConfident aConf)
|
|
{
|
|
printf("RESULT CHARSET : %s\n", aCharset);
|
|
printf("RESULT Confident : %d\n", aConf);
|
|
return NS_OK;
|
|
};
|
|
};
|
|
|
|
|
|
NS_IMPL_ISUPPORTS1(nsReporter, nsICharsetDetectionObserver)
|
|
|
|
nsresult GetDetector(const char* key, nsICharsetDetector** det)
|
|
{
|
|
char buf[128];
|
|
strcpy(buf, NS_CHARSET_DETECTOR_CONTRACTID_BASE);
|
|
strcat(buf, key);
|
|
return CallCreateInstance(buf, det);
|
|
}
|
|
|
|
|
|
nsresult GetObserver(nsICharsetDetectionObserver** aRes)
|
|
{
|
|
*aRes = nsnull;
|
|
nsReporter* rep = new nsReporter();
|
|
if(rep) {
|
|
return rep->QueryInterface(NS_GET_IID(nsICharsetDetectionObserver) ,
|
|
(void**)aRes);
|
|
}
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
int main(int argc, char** argv) {
|
|
char buf[MAXBSIZE];
|
|
PRUint32 bs;
|
|
if( 3 != argc )
|
|
{
|
|
usage();
|
|
printf("Need 2 arguments\n");
|
|
return(-1);
|
|
}
|
|
bs = atoi(argv[2]);
|
|
if((bs <1)||(bs>MAXBSIZE))
|
|
{
|
|
usage();
|
|
printf("blocksize out of range - %s\n", argv[2]);
|
|
return(-1);
|
|
}
|
|
nsresult rev = NS_OK;
|
|
nsICharsetDetector *det = nsnull;
|
|
rev = GetDetector(argv[1], &det);
|
|
if(NS_FAILED(rev) || (nsnull == det) ){
|
|
usage();
|
|
printf("Invalid Detector - %s\n", argv[1]);
|
|
printf("XPCOM ERROR CODE = %x\n", rev);
|
|
return(-1);
|
|
}
|
|
nsICharsetDetectionObserver *obs = nsnull;
|
|
rev = GetObserver(&obs);
|
|
if(NS_SUCCEEDED(rev)) {
|
|
rev = det->Init(obs);
|
|
NS_IF_RELEASE(obs);
|
|
if(NS_FAILED(rev))
|
|
{
|
|
printf("XPCOM ERROR CODE = %x\n", rev);
|
|
return(-1);
|
|
}
|
|
} else {
|
|
printf("XPCOM ERROR CODE = %x\n", rev);
|
|
return(-1);
|
|
}
|
|
|
|
size_t sz;
|
|
PRBool done = PR_FALSE;
|
|
nsSimpleStatis ks(0xb0,0xc8, (float)0.95952, "EUC-KR");
|
|
nsSimpleStatis js(0xa4,0xa5, (float)0.45006, "EUC-JP");
|
|
nsStatis* stat[2] = {&ks, &js};
|
|
PRUint32 i;
|
|
do
|
|
{
|
|
sz = read(0, buf, bs);
|
|
if(sz > 0) {
|
|
if(! done) {
|
|
printf("call DoIt %d\n",sz);
|
|
rev = det->DoIt( buf, sz, &done);
|
|
printf("DoIt return Done = %d\n",done);
|
|
if(NS_FAILED(rev))
|
|
{
|
|
printf("XPCOM ERROR CODE = %x\n", rev);
|
|
return(-1);
|
|
}
|
|
}
|
|
for(i=0;i<2;i++)
|
|
stat[i]->HandleData(buf, sz);
|
|
}
|
|
// } while((sz > 0) && (!done) );
|
|
} while(sz > 0);
|
|
if(!done)
|
|
{
|
|
printf("Done = %d\n",done);
|
|
printf("call Done %d\n",sz);
|
|
rev = det->Done();
|
|
if(NS_FAILED(rev))
|
|
{
|
|
printf("XPCOM ERROR CODE = %x\n", rev);
|
|
return(-1);
|
|
}
|
|
}
|
|
for(i=0;i<2;i++) {
|
|
stat[i]->DataEnd();
|
|
stat[i]->Report();
|
|
}
|
|
printf( "Done\n");
|
|
|
|
NS_IF_RELEASE(det);
|
|
printf( "Done 2\n");
|
|
return (0);
|
|
}
|