You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
147 lines
4.3 KiB
147 lines
4.3 KiB
//+---------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1991 - 1992.
|
|
//
|
|
// File: DefBreak.hxx
|
|
//
|
|
// Contents: 'Default' Word Breaker
|
|
//
|
|
// Classes: CDefWordBreaker
|
|
//
|
|
// History: 08-May-91 t-WadeR Created
|
|
// 06-Jun-91 t-WadeR changed for input-based pipeline
|
|
// 11-Apr-94 KyleP Sync with spec
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
const WCHAR ZERO_WIDTH_SPACE = 0x200B; // Unicode zero width space
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CDefWordBreaker
|
|
//
|
|
// Purpose: Break text into phrases and words (default wordbreaker)
|
|
//
|
|
// History: 02-May-91 BartoszM Created.
|
|
// 13-May-91 t-WadeR Changed to use CWordItr.
|
|
// 06-June-91 t-WadeR changed for input-based pipeline
|
|
// 12-Oct-92 AmyA Added Unicode support
|
|
// 18-Nov-92 AmyA Overloaded BreakText
|
|
// 11-Apr-94 KyleP Sync with spec
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CDefWordBreaker : public IWordBreaker
|
|
{
|
|
public:
|
|
|
|
//
|
|
// From IUnknown
|
|
//
|
|
|
|
virtual SCODE STDMETHODCALLTYPE QueryInterface( REFIID riid,
|
|
void **ppvObject );
|
|
|
|
virtual ULONG STDMETHODCALLTYPE AddRef();
|
|
|
|
virtual ULONG STDMETHODCALLTYPE Release();
|
|
|
|
//
|
|
// From IWordBreaker
|
|
//
|
|
|
|
virtual SCODE STDMETHODCALLTYPE Init( BOOL fQuery,
|
|
ULONG ulMaxTokenSize,
|
|
BOOL *pfLicense );
|
|
|
|
virtual SCODE STDMETHODCALLTYPE BreakText( TEXT_SOURCE *pTextSource,
|
|
IWordSink *pWordSink,
|
|
IPhraseSink *pPhraseSink );
|
|
|
|
virtual SCODE STDMETHODCALLTYPE ComposePhrase( WCHAR const *pwcNoun,
|
|
ULONG cwcNoun,
|
|
WCHAR const *pwcModifier,
|
|
ULONG cwcModifier,
|
|
ULONG ulAttachmentType,
|
|
WCHAR *pwcPhrase,
|
|
ULONG *pcwcPhrase );
|
|
|
|
virtual SCODE STDMETHODCALLTYPE GetLicenseToUse( const WCHAR **ppwcsLicense );
|
|
|
|
//
|
|
// Local methods
|
|
//
|
|
|
|
CDefWordBreaker();
|
|
|
|
private:
|
|
|
|
BOOL IsWordChar (int i) const;
|
|
BOOL ScanChunk ();
|
|
void Tokenize( TEXT_SOURCE *pTextSource, ULONG cwc, IWordSink *pWordSink, ULONG& cwcProcd );
|
|
|
|
~CDefWordBreaker();
|
|
|
|
enum _EBufSize
|
|
{
|
|
ccCompare = 500
|
|
};
|
|
|
|
// These variables describe current chunk
|
|
ULONG _cMapped;
|
|
const WCHAR* _pwcChunk;
|
|
// Leave space for one (dummy) lookahead
|
|
WORD _aCharInfo1[CDefWordBreaker::ccCompare+1];
|
|
WORD _aCharInfo3[CDefWordBreaker::ccCompare+1];
|
|
|
|
WCHAR _awcBufZWS[CDefWordBreaker::ccCompare]; // temp buffer for a word having zero-width space
|
|
|
|
long _cRefs;
|
|
};
|
|
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CDefWordBreakerCF
|
|
//
|
|
// Purpose: Class factory for default word breaker
|
|
//
|
|
// History: 07-Feb-95 SitaramR Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CDefWordBreakerCF : public IClassFactory
|
|
{
|
|
|
|
public:
|
|
|
|
CDefWordBreakerCF();
|
|
|
|
//
|
|
// From IUnknown
|
|
//
|
|
|
|
virtual SCODE STDMETHODCALLTYPE QueryInterface( REFIID riid,
|
|
void ** ppvObject);
|
|
virtual ULONG STDMETHODCALLTYPE AddRef();
|
|
virtual ULONG STDMETHODCALLTYPE Release();
|
|
|
|
//
|
|
// From IClassFactory
|
|
//
|
|
|
|
virtual SCODE STDMETHODCALLTYPE CreateInstance( IUnknown * pUnkOuter,
|
|
REFIID riid, void * * ppvObject );
|
|
virtual SCODE STDMETHODCALLTYPE LockServer( BOOL fLock );
|
|
|
|
protected:
|
|
|
|
virtual ~CDefWordBreakerCF();
|
|
|
|
long _cRefs;
|
|
};
|
|
|