cpstringutils.cpp

开源的ssl算法openssl,版本0.9.8H

/* ====================================================================
 * Copyright (c) 1998-1999 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    [e-mail].
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * ([e-mail]).  This product includes software written by Tim
 * Hudson ([e-mail]).
 *
 */
 
 
 
 #include "CPStringUtils.hpp"
#include "ErrorHandling.hpp"



#define kNumberFormatString			"\p########0.00#######;-########0.00#######"



//	Useful utility functions which could be optimized a whole lot


void CopyPStrToCStr(const unsigned char *thePStr,char *theCStr,const int maxCStrLength)
{
int		i,numPChars;


	if (thePStr != nil && theCStr != nil && maxCStrLength > 0)
	{
		numPChars = thePStr[0];
		
		for (i = 0;;i++)
		{
			if (i >= numPChars || i >= maxCStrLength - 1)
			{
				theCStr[i] = 0;
				
				break;
			}
			
			else
			{
				theCStr[i] = thePStr[i + 1];
			}
		}
	}
}


void CopyPStrToPStr(const unsigned char *theSrcPStr,unsigned char *theDstPStr,const int maxDstStrLength)
{
int		theMaxDstStrLength;

	
	theMaxDstStrLength = maxDstStrLength;
	
	
	if (theDstPStr != nil && theSrcPStr != nil && theMaxDstStrLength > 0)
	{
		if (theMaxDstStrLength > 255)
		{
			theMaxDstStrLength = 255;
		}
		
		
		if (theMaxDstStrLength - 1 < theSrcPStr[0])
		{
			BlockMove(theSrcPStr + 1,theDstPStr + 1,theMaxDstStrLength - 1);
			
			theDstPStr[0] = theMaxDstStrLength - 1;
		}
		
		else
		{
			BlockMove(theSrcPStr,theDstPStr,theSrcPStr[0] + 1);
		}
	}
}


void CopyCStrToCStr(const char *theSrcCStr,char *theDstCStr,const int maxDstStrLength)
{
int		i;


	if (theDstCStr != nil && theSrcCStr != nil && maxDstStrLength > 0)
	{
		for (i = 0;;i++)
		{
			if (theSrcCStr[i] == 0 || i >= maxDstStrLength - 1)
			{
				theDstCStr[i] = 0;
				
				break;
			}
			
			else
			{
				theDstCStr[i] = theSrcCStr[i];
			}
		}
	}
}



void CopyCSubstrToCStr(const char *theSrcCStr,const int maxCharsToCopy,char *theDstCStr,const int maxDstStrLength)
{
int		i;


	if (theDstCStr != nil && theSrcCStr != nil && maxDstStrLength > 0)
	{
		for (i = 0;;i++)
		{
			if (theSrcCStr[i] == 0 || i >= maxDstStrLength - 1 || i >= maxCharsToCopy)
			{
				theDstCStr[i] = 0;
				
				break;
			}
			
			else
			{
				theDstCStr[i] = theSrcCStr[i];
			}
		}
	}
}



void CopyCSubstrToPStr(const char *theSrcCStr,const int maxCharsToCopy,unsigned char *theDstPStr,const int maxDstStrLength)
{
int		i;
int		theMaxDstStrLength;

	
	theMaxDstStrLength = maxDstStrLength;

	if (theDstPStr != nil && theSrcCStr != nil && theMaxDstStrLength > 0)
	{
		if (theMaxDstStrLength > 255)
		{
			theMaxDstStrLength = 255;
		}
		
		
		for (i = 0;;i++)
		{
			if (theSrcCStr[i] == 0 || i >= theMaxDstStrLength - 1 || i >= maxCharsToCopy)
			{
				theDstPStr[0] = i;
				
				break;
			}
			
			else
			{
				theDstPStr[i + 1] = theSrcCStr[i];
			}
		}
	}
}



void CopyCStrToPStr(const char *theSrcCStr,unsigned char *theDstPStr,const int maxDstStrLength)
{
int		i;
int		theMaxDstStrLength;

	
	theMaxDstStrLength = maxDstStrLength;

	if (theDstPStr != nil && theSrcCStr != nil && theMaxDstStrLength > 0)
	{
		if (theMaxDstStrLength > 255)
		{
			theMaxDstStrLength = 255;
		}
		
		
		for (i = 0;;i++)
		{
			if (i >= theMaxDstStrLength - 1 || theSrcCStr[i] == 0)
			{
				theDstPStr[0] = i;
				
				break;
			}
			
			else
			{
				theDstPStr[i + 1] = theSrcCStr[i];
			}
		}
	}
}


void ConcatPStrToCStr(const unsigned char *thePStr,char *theCStr,const int maxCStrLength)
{
int		i,numPChars,cStrLength;


	if (thePStr != nil && theCStr != nil && maxCStrLength > 0)
	{
		for (cStrLength = 0;theCStr[cStrLength] != 0;cStrLength++)
		{
		
		}
		

		numPChars = thePStr[0];
		
		
		for (i = 0;;i++)
		{
			if (i >= numPChars || cStrLength >= maxCStrLength - 1)
			{
				theCStr[cStrLength++] = 0;
				
				break;
			}
			
			else
			{
				theCStr[cStrLength++] = thePStr[i + 1];
			}
		}
	}
}



void ConcatPStrToPStr(const unsigned char *theSrcPStr,unsigned char *theDstPStr,const int maxDstStrLength)
{
int		theMaxDstStrLength;

	
	theMaxDstStrLength = maxDstStrLength;
	
	if (theSrcPStr != nil && theDstPStr != nil && theMaxDstStrLength > 0)
	{
		if (theMaxDstStrLength > 255)
		{
			theMaxDstStrLength = 255;
		}
		
		
		if (theMaxDstStrLength - theDstPStr[0] - 1 < theSrcPStr[0])
		{
			BlockMove(theSrcPStr + 1,theDstPStr + theDstPStr[0] + 1,theMaxDstStrLength - 1 - theDstPStr[0]);
			
			theDstPStr[0] = theMaxDstStrLength - 1;
		}
		
		else
		{
			BlockMove(theSrcPStr + 1,theDstPStr + theDstPStr[0] + 1,theSrcPStr[0]);
			
			theDstPStr[0] += theSrcPStr[0];
		}
	}
}



void ConcatCStrToPStr(const char *theSrcCStr,unsigned char *theDstPStr,const int maxDstStrLength)
{
int		i,thePStrLength;
int		theMaxDstStrLength;

	
	theMaxDstStrLength = maxDstStrLength;

	if (theSrcCStr != nil && theDstPStr != nil && theMaxDstStrLength > 0)
	{
		if (theMaxDstStrLength > 255)
		{
			theMaxDstStrLength = 255;
		}
		
		
		thePStrLength = theDstPStr[0];
		
		for (i = 0;;i++)
		{
			if (theSrcCStr[i] == 0 || thePStrLength >= theMaxDstStrLength - 1)
			{
				theDstPStr[0] = thePStrLength;
				
				break;
			}
			
			else
			{
				theDstPStr[thePStrLength + 1] = theSrcCStr[i];
				
				thePStrLength++;
			}
		}
	}
}



void ConcatCStrToCStr(const char *theSrcCStr,char *theDstCStr,const int maxCStrLength)
{
int		cStrLength;


	if (theSrcCStr != nil && theDstCStr != nil && maxCStrLength > 0)
	{
		for (cStrLength = 0;theDstCStr[cStrLength] != 0;cStrLength++)
		{
		
		}
		

		for (;;)
		{
			if (*theSrcCStr == 0 || cStrLength >= maxCStrLength - 1)
			{
				theDstCStr[cStrLength++] = 0;
				
				break;
			}
			
			else
			{
				theDstCStr[cStrLength++] = *theSrcCStr++;
			}
		}
	}
}



void ConcatCharToCStr(const char theChar,char *theDstCStr,const int maxCStrLength)
{
int		cStrLength;


	if (theDstCStr != nil && maxCStrLength > 0)
	{
		cStrLength = CStrLength(theDstCStr);
		
		if (cStrLength < maxCStrLength - 1)
		{
			theDstCStr[cStrLength++] = theChar;
			theDstCStr[cStrLength++] = '\0';
		}
	}
}



void ConcatCharToPStr(const char theChar,unsigned char *theDstPStr,const int maxPStrLength)
{
int		pStrLength;


	if (theDstPStr != nil && maxPStrLength > 0)
	{
		pStrLength = PStrLength(theDstPStr);
		
		if (pStrLength < maxPStrLength - 1 && pStrLength < 255)
		{
			theDstPStr[pStrLength + 1] = theChar;
			theDstPStr[0] += 1;
		}
	}
}




int CompareCStrs(const char *theFirstCStr,const char *theSecondCStr,const Boolean ignoreCase)
{
int		returnValue;
char	firstChar,secondChar;

	
	returnValue = 0;
	
	
	if (theFirstCStr != nil && theSecondCStr != nil)
	{
		for (;;)
		{
			firstChar = *theFirstCStr;
			secondChar = *theSecondCStr;
			
			if (ignoreCase == true)
			{
				if (firstChar >= 'A' && firstChar <= 'Z')
				{
					firstChar = 'a' + (firstChar - 'A');
				}
				
				if (secondChar >= 'A' && secondChar <= 'Z')
				{
					secondChar = 'a' + (secondChar - 'A');
				}
			}
			
			
			if (firstChar == 0 && secondChar != 0)
			{
				returnValue = -1;
				
				break;
			}
			
			else if (firstChar != 0 && secondChar == 0)
			{
				returnValue = 1;
				
				break;
			}
			
			else if (firstChar == 0 && secondChar == 0)
			{
				returnValue = 0;
				
				break;
			}
			
			else if (firstChar < secondChar)
			{
				returnValue = -1;
				
				break;
			}
			
			else if (firstChar > secondChar)
			{
				returnValue = 1;
				
				break;
			}
			
			theFirstCStr++;
			theSecondCStr++;
		}
	}
	
	
	return(returnValue);
}



Boolean CStrsAreEqual(const char *theFirstCStr,const char *theSecondCStr,const Boolean ignoreCase)
{
	if (CompareCStrs(theFirstCStr,theSecondCStr,ignoreCase) == 0)
	{
		return true;
	}
	
	else
	{
		return false;
	}
}


Boolean PStrsAreEqual(const unsigned char *theFirstPStr,const unsigned char *theSecondPStr,const Boolean ignoreCase)
{
	if (ComparePStrs(theFirstPStr,theSecondPStr,ignoreCase) == 0)
	{
		return true;
	}
	
	else
	{
		return false;
	}
}



int ComparePStrs(const unsigned char *theFirstPStr,const unsigned char *theSecondPStr,const Boolean ignoreCase)
{
int		i,returnValue;
char	firstChar,secondChar;

	
	returnValue = 0;
	
	
	if (theFirstPStr != nil && theSecondPStr != nil)
	{
		for (i = 1;;i++)
		{
			firstChar = theFirstPStr[i];
			secondChar = theSecondPStr[i];

			if (ignoreCase == true)
			{
				if (firstChar >= 'A' && firstChar <= 'Z')
				{
					firstChar = 'a' + (firstChar - 'A');
				}
				
				if (secondChar >= 'A' && secondChar <= 'Z')
				{
					secondChar = 'a' + (secondChar - 'A');
				}
			}


			if (theFirstPStr[0] < i && theSecondPStr[0] >= i)
			{
				returnValue = -1;
				
				break;
			}
			
			else if (theFirstPStr[0] >= i && theSecondPStr[0] < i)
			{
				returnValue = 1;
				
				break;
			}
			
			else if (theFirstPStr[0] < i && theSecondPStr[0] < i)
			{
				returnValue = 0;
				
				break;
			}
			
			else if (firstChar < secondChar)
			{
				returnValue = -1;
				
				break;
			}
			
			else if (firstChar > secondChar)
			{
				returnValue = 1;
				
				break;
			}
		}
	}
	
	
	return(returnValue);
}



int CompareCStrToPStr(const char *theCStr,const unsigned char *thePStr,const Boolean ignoreCase)
{
int		returnValue;
char	tempString[256];

	
	returnValue = 0;
	
	if (theCStr != nil && thePStr != nil)
	{
		CopyPStrToCStr(thePStr,tempString,sizeof(tempString));
		
		returnValue = CompareCStrs(theCStr,tempString,ignoreCase);
	}
	
	
	return(returnValue);
}



void ConcatLongIntToCStr(const long theNum,char *theCStr,const int maxCStrLength,const int numDigits)
{
Str255 		theStr255;


	NumToString(theNum,theStr255);


	if (numDigits > 0)
	{
	int 	charsToInsert;
	
		
		charsToInsert = numDigits - PStrLength(theStr255);
		
		if (charsToInsert > 0)
		{
		char	tempString[256];
			
			CopyCStrToCStr("",tempString,sizeof(tempString));
			
			for (;charsToInsert > 0;charsToInsert--)
			{
				ConcatCStrToCStr("0",tempString,sizeof(tempString));
			}
			
			ConcatPStrToCStr(theStr255,tempString,sizeof(tempString));
			
			CopyCStrToPStr(tempString,theStr255,sizeof(theStr255));
		}
	}


	ConcatPStrToCStr(theStr255,theCStr,maxCStrLength);
}




void ConcatLongIntToPStr(const long theNum,unsigned char *thePStr,const int maxPStrLength,const int numDigits)
{
Str255 		theStr255;


	NumToString(theNum,theStr255);


	if (numDigits > 0)
	{
	int 	charsToInsert;
	
		
		charsToInsert = numDigits - PStrLength(theStr255);
		
		if (charsToInsert > 0)
		{
		char	tempString[256];
			
			CopyCStrToCStr("",tempString,sizeof(tempString));
			
			for (;charsToInsert > 0;charsToInsert--)
			{
				ConcatCStrToCStr("0",tempString,sizeof(tempString));
			}