nsCodingStateMachine Class Reference

#include <nsCodingStateMachine.h>

Collaboration diagram for nsCodingStateMachine:

Public Member Functions
	nsCodingStateMachine (SMModel *sm)
nsSMState	NextState (char c)
PRUint32	GetCurrentCharLen (void)
void	Reset (void)
const char *	GetCodingStateMachine ()
Protected Attributes
nsSMState	mCurrentState
PRUint32	mCurrentCharLen
PRUint32	mCurrentBytePos
SMModel *	mModel

Detailed Description

Definition at line 60 of file nsCodingStateMachine.h.

Constructor & Destructor Documentation

nsCodingStateMachine::nsCodingStateMachine ( SMModel * sm ) [inline]

Definition at line 62 of file nsCodingStateMachine.h.

References eStart, mCurrentState, and mModel.

00062                                    {
00063           mCurrentState = eStart;
00064           mModel = sm;
00065         };

Member Function Documentation

const char* nsCodingStateMachine::GetCodingStateMachine ( ) [inline]

Definition at line 82 of file nsCodingStateMachine.h.

Referenced by nsEscCharSetProber::HandleData().

00082 {return mModel->name;};

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PRUint32 nsCodingStateMachine::GetCurrentCharLen ( void ) [inline]

Definition at line 80 of file nsCodingStateMachine.h.

References mCurrentCharLen.

Referenced by nsUTF8Prober::HandleData(), nsSJISProber::HandleData(), nsGB18030Prober::HandleData(), nsEUCTWProber::HandleData(), nsEUCKRProber::HandleData(), nsEUCJPProber::HandleData(), and nsBig5Prober::HandleData().

00080 {return mCurrentCharLen;};

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nsSMState nsCodingStateMachine::NextState ( char c ) [inline]

Definition at line 66 of file nsCodingStateMachine.h.

References SMModel::charLenTable, SMModel::classFactor, eStart, GETCLASS, GETFROMPCK, mCurrentBytePos, mCurrentCharLen, mCurrentState, mModel, and SMModel::stateTable.

Referenced by nsUTF8Prober::HandleData(), nsSJISProber::HandleData(), nsGB18030Prober::HandleData(), nsEUCTWProber::HandleData(), nsEUCKRProber::HandleData(), nsEUCJPProber::HandleData(), nsEscCharSetProber::HandleData(), and nsBig5Prober::HandleData().

00066                              {
00067     //for each byte we get its class , if it is first byte, we also get byte length
00068     PRUint32 byteCls = GETCLASS(c);
00069     if (mCurrentState == eStart)
00070     { 
00071       mCurrentBytePos = 0; 
00072       mCurrentCharLen = mModel->charLenTable[byteCls];
00073     }
00074     //from byte's class and stateTable, we get its next state
00075     mCurrentState=(nsSMState)GETFROMPCK(mCurrentState*(mModel->classFactor)+byteCls,
00076                                        mModel->stateTable);
00077     mCurrentBytePos++;
00078     return mCurrentState;
00079   };