eccfile.h

ECC (椭圆曲线加密算法) 的源代码c++builder,很难得到的源代码

/* ==========================================================================

	Ecc - Erik's Code Collection
	Copyright (C) 2003 - Erik Dienske

	This file is part of Ecc.

	Ecc is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	Ecc is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with Ecc; if not, write to the Free Software Foundation, Inc.,
	59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
	
===========================================================================*/

//---------------------------------------------------------------------------
#ifndef EccFileH
#define EccFileH
//---------------------------------------------------------------------------

//===========================================================================
namespace ecc {
//===========================================================================

//---------------------------------------------------------------------------
bool MakeFileList(String path, TStringList* list, const bool include_path = true);
/*	Adds absolute paths of all files in <path> to <list>.
	Or, if <include_path> is false: adds relative paths of all files in <path> to <list>.
	Returns false if an error occured. */

bool MakeDirList(String path, TStringList* list);
/*	Adds absolute paths of all directories in <path> to <list>.
	Returns false if an error occured. */

bool MakeRelativeDirList(String path, TStringList* list);
/*	Adds relative paths of all directories in <path> to <list>.
	Returns false if an error occured. */

bool StringToFile(const String str, const String fname);

String FileToString(const String fname);

String ExtractFileNameNoExt(String fname);
/* 	Returns fname without path and extension. */

String ReplaceIllegalFileNameChars(String fname, const String replace = "");

long GetFileSize(const String fname);
/*	Returns -1 if size could not be read. */

String FloatToHumanFileSize(float fsize);
/* 	Returns human readable filesize. In B, kB, MB or GB.
	Returns "?" if size<0. */

String FileAttributeStr(const String fname);
/* 	Returns a string like: "AH".
	Returns an empty string if fname is a directory. */

void AddDoubleZeroToString(String &fname);

bool FileToRecycleBin(String fpath);
/* 	Returns false on failure. */

bool MoveFile(String src_fname, String dest_fname);
/* 	Returns false on failure. */

TDateTime FILETIMEToTDateTime(const FILETIME ftime);
/*	Converts a windows FILETIME structure to a Borland TDateTime class.
	Drawback: TDateTime (==DosDateTime) is less accurate than FILETIME.
	On error: return value is TDateTime(1911, 11, 11). */

bool CreateFileAssociation(String ext, String file_type_str,
		String app_name, String app_path,
		bool click_start);
/*	Creates a file association for files with <ext> as extension.
	Returns false if an error occured.
	<ext> 			includes the dot.
	<file_type_str>	String that describes the file type.
	<app_name>      Name of the application. Will be stored in the registry.
	<app_path>      Full path to the application.
	<click_start>   If true, clicking the file.ext will open app_path. */

void AppendStrToFile(String msg, String fpath, bool include_datetime = true);
/*	Useful for adding strings to a log file. */

//---------------------------------------------------------------------------

//===========================================================================
} // namespace ecc;
//===========================================================================
#endif