regexp.h

来自「c++系统开发实例精粹内附的80例源代码 环境:windows2000,c++」· C头文件 代码 · 共 59 行

//////////////////////////////////////////////////////////////////////
// FileFury
// Copyright (c) 2000 Tenebril Incorporated
// All rights reserved.
//
// This source code is governed by the Tenebril open source
// license (http://www.tenebril.com/developers/opensource/license.html)
//
// For more information on this and other open source applications,
// visit the Tenebril OpenSource page:
//       http://www.tenebril.com/developers/opensource
//
//////////////////////////////////////////////////////////////////////

#ifndef __REGEXP_H__
#define __REGEXP_H__

class CString;
class regexp;

class AFX_EXT_CLASS Regexp
{
public:
	enum { NSUBEXP = 10 };

	Regexp();
	Regexp( TCHAR * exp, BOOL iCase = 0 );
	Regexp( const Regexp &r );
	~Regexp();
	const Regexp & operator=( const Regexp & r );

	bool Match( const TCHAR * s );
	int SubStrings() const;
	
	const CString operator[]( unsigned int i ) const;
	int SubStart( unsigned int i ) const;
	int SubLength( unsigned int i ) const;

	CString GetReplaceString( LPCTSTR source ) const;

	CString GetErrorString() const;
	bool CompiledOK() const;

#if defined( _RE_DEBUG )
	void Dump();
#endif
private:
	const TCHAR * string;	/* used to return substring offsets only */
	mutable CString m_szError;
	regexp * rc;

	void ClearErrorString() const;
	int safeIndex( unsigned int i ) const;

};

#endif