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//--------------------------------------------------------------------------- 
// Copyright (C) 1998, Interscope Ltd. All rights reserved. 
// Reproduction or distribution of this program, or any portion of it,  
// is permitted only if this header is kept as it is. 
// For more information, contact: 
// 
// Interscope Ltd., 5 Culturii St., 5th floor, 4800 Baia Mare, Romania 
//    Phone/Fax: +40-62-215023 
//    E-mail: office@interscope.ro 
// 
//   $Author: Levente Farkas $ 
//     $Date: 5/12/98 11:50p $ 
//  $Modtime: 4/27/98 6:51a $ 
// $Revision: 23 $ 
//  $Archive: /Interscope/Thebe/InstallMaster/StringHelper.Cpp $ 
// $Workfile: StringHelper.Cpp $ 
//----------------------------------------------------------------------- 
 
#ifdef __STDAFX__ 
#include "StdAfx.H" 
#endif 
 
#include "StringHelper.Hpp" 
 
 
//--- Debugee -------------------------------------------------------------- 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#ifdef __MFC__ 
#define new DEBUG_NEW 
#endif // __MFC__ 
#endif // _DEBUG 
 
 
#ifdef __MFC__ 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Set the length of Text to nLength. Like putting a '\0' at  
//           the nLength spot 
//------------------------------------------------------------------------ 
void SetStringLength(CString& Text, int nLength) 
{ 
	Text.GetBufferSetLength(nLength); 
	Text.ReleaseBuffer(); 
} 
#endif 
 
 
#ifdef __MFC__ 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Remove first character (if any) if it's chLeading 
//------------------------------------------------------------------------ 
void StripLeadingChar(CString& rText, TCHAR chLeading) 
{ 
	int	nLength =rText.GetLength(); 
	if(nLength == 0) 
		return; 
 
	if(rText[0] == chLeading) 
		rText =rText.Right(nLength-1); 
} 
#endif 
 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Remove first character (if any) if it's chLeading 
//------------------------------------------------------------------------ 
void StripLeadingChar(string& rText, TCHAR chLeading) 
{ 
    string::size_type nLength =rText.length(); 
	if(nLength == 0) 
		return; 
 
	if(rText[0] == chLeading) 
		rText =rText.substr(1); 
} 
 
 
#ifdef __MFC__ 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Remove first character if \ 
//------------------------------------------------------------------------ 
void StripLeadingBackslash(CString& Directory) 
{ 
	int	nLength =Directory.GetLength(); 
 
    // If Directory is of the form '\', don't do it 
	if(nLength <= 1) 
		return; 
 
	if(Directory[0] == DIRECTORY_DELIMITER) 
		Directory=Directory.Right(nLength-1); 
} 
#endif 
 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Remove first character if \ 
//------------------------------------------------------------------------ 
void StripLeadingBackslash(string& Directory) 
{ 
	string::size_type nLength =Directory.length(); 
 
    // If Directory is of the form '\', don't do it 
	if(nLength <= 1) 
		return; 
 
	if(Directory[0] == DIRECTORY_DELIMITER) 
		Directory =Directory.substr(1); 
} 
 
 
#ifdef __MFC__ 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Remove last character (if any) if it's chTrailing 
//------------------------------------------------------------------------ 
void StripTrailingChar(CString& rText, TCHAR chTrailing) 
{ 
	int	nLength =rText.GetLength(); 
	if(nLength == 0) 
		return; 
	 
	if(rText[nLength-1] == chTrailing) 
		SetStringLength(rText,nLength-1);	 
} 
#endif 
 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Remove last character (if any) if it's chTrailing 
//------------------------------------------------------------------------ 
void StripTrailingChar(string& rText, TCHAR chTrailing) 
{ 
	string::size_type nLength =rText.length(); 
	if(nLength == 0) 
		return; 
	 
	if(rText[nLength-1] == chTrailing) 
		rText.resize(nLength-1); 
} 
 
 
#ifdef __MFC__ 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Remove last character if \ 
//------------------------------------------------------------------------ 
void StripTrailingBackslash(CString& rDirectory) 
{ 
	int	nLength =rDirectory.GetLength(); 
	 
	// If Directory is of the form '\', don't do it 
	if(nLength <= 1) 
		return; 
		 
	if(rDirectory[nLength-1] == DIRECTORY_DELIMITER) 
		SetStringLength(rDirectory,nLength-1); 
} 
#endif 
 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Remove last character if \ 
//------------------------------------------------------------------------ 
void StripTrailingBackslash(string& rDirectory) 
{ 
	string::size_type nLength =rDirectory.length(); 
	 
	// If Directory is of the form '\', don't do it 
	if(nLength <= 1) 
		return; 
		 
	if(rDirectory[nLength-1] == DIRECTORY_DELIMITER) 
		rDirectory.resize(nLength-1); 
} 
 
 
#ifdef __MFC__ 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Add a backslash to the end of Directory if there is 
//           not already one there 
//------------------------------------------------------------------------ 
void EnsureTrailingBackslash(CString& Directory) 
{ 
	int	nLength =Directory.GetLength(); 
 
	if(Directory.IsEmpty() || (Directory[nLength-1] != DIRECTORY_DELIMITER)) 
		Directory +=DIRECTORY_DELIMITER; 
} 
#endif 
 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Add a backslash to the end of Directory if there is 
//           not already one there 
//------------------------------------------------------------------------ 
void EnsureTrailingBackslash(string& Directory) 
{ 
	string::size_type nLength =Directory.length(); 
 
	if(Directory.empty() || (Directory[nLength-1] != DIRECTORY_DELIMITER)) 
		Directory +=DIRECTORY_DELIMITER; 
} 
 
 
#ifdef __MFC__ 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Add a backslash to the beginning of Directory if there 
//           is not already one there 
//------------------------------------------------------------------------ 
void EnsureLeadingBackslash(CString& Directory) 
{ 
	if(Directory.IsEmpty() || (Directory[0] != DIRECTORY_DELIMITER)) 
		Directory = DIRECTORY_DELIMITER + Directory; 
} 
#endif 
 
//------------------------------------------------------------------------ 
// Pre     : 
// Post    :  
// Globals : 
// I/O     : 
// Task    : Add a backslash to the beginning of Directory if there 
//           is not already one there 
//------------------------------------------------------------------------ 
void EnsureLeadingBackslash(string& Directory) 
{ 
	if(Directory.empty() || (Directory[0] != DIRECTORY_DELIMITER)) 
    { 
        string temp =Directory; 
		Directory   =DIRECTORY_DELIMITER; 
        Directory  +=temp; 
    } 
}