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381 lines
9.2 KiB
C++
381 lines
9.2 KiB
C++
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//======== (C) Copyright 2001 Charles G. Cleveland All rights reserved. =========
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//
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// The copyright to the contents herein is the property of Charles G. Cleveland.
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// The contents may be used and/or copied only with the written permission of
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// Charles G. Cleveland, or in accordance with the terms and conditions stipulated in
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// the agreement/contract under which the contents have been supplied.
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//
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// Purpose: Utility functions loosely wrapping the STL
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//
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// $Workfile: STLUtil.cpp$
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// $Date: 2002/07/26 21:43:04 $
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//
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//-------------------------------------------------------------------------------
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// $Log: STLUtil.cpp,v $
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// Revision 1.6 2002/07/26 21:43:04 flayra
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// - Updates to get particles and sounds working under Linux
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//
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// Revision 1.5 2002/07/26 01:51:23 Flayra
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// - Linux support for FindFirst/FindNext
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//
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// Revision 1.4 2002/05/23 04:03:11 Flayra
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// - Post-crash checkin. Restored @Backup from around 4/16. Contains changes for last four weeks of development.
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//
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// Revision 1.5 2002/05/14 18:48:16 Charlie
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// - More utility functions
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//
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// Revision 1.4 2002/05/01 00:52:34 Charlie
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// - Added BuildAbridgedString
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//
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//===============================================================================
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#include "util/STLUtil.h"
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#include <stdio.h>
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#include "stdarg.h"
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// For FindFirst/FindNext functionality in BuildFileList
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#ifdef WIN32
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#include "windows.h"
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#else
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#include "util/LinuxSupport.h"
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#endif
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string LowercaseString(const string& ioString)
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{
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string theReturnString = ioString;
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LowercaseString(theReturnString);
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return theReturnString;
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}
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string LowercaseString(string& ioString)
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{
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size_t theLength = ioString.length();
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for(size_t i = 0; i < theLength; i++)
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{
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char theCurrentChar = ioString[i];
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ioString[i] = tolower(theCurrentChar);
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}
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return ioString;
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}
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string UppercaseString(const string& ioString)
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{
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string theReturnString = ioString;
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UppercaseString(theReturnString);
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return theReturnString;
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}
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string UppercaseString(string& ioString)
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{
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size_t theLength = ioString.length();
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for(size_t i = 0; i < theLength; i++)
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{
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char theCurrentChar = ioString[i];
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ioString[i] = toupper(theCurrentChar);
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}
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return ioString;
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}
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int MakeIntFromString(string& inString)
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{
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int theInt = 0;
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if(inString.length() > 0)
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{
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sscanf(inString.c_str(), "%d", &theInt);
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}
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return theInt;
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}
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float MakeFloatFromString(string& inString)
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{
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float theFloat = 0;
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if(inString.length() > 0)
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{
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sscanf(inString.c_str(), "%f", &theFloat);
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}
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return theFloat;
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}
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bool MakeBytesFromHexPairs(const string& inHex, unsigned char* ioBytes, int numBytes)
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{
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bool theSuccess = true;
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if(inHex.size() != numBytes*2)
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{
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theSuccess = false;
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}
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else
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{
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for(int index = 0; index < numBytes; ++index)
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{
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int theByte = 0;
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for(int strpos = index*2; strpos < (index+1)*2; ++strpos)
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{
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theByte *= 16;
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switch(inHex[strpos])
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{
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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theByte += inHex[strpos] - '0';
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break;
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case 'A': case 'B': case 'C':
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case 'D': case 'E': case 'F':
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theByte += inHex[strpos] - 'A' + 10;
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break;
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default:
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theSuccess = false;
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break;
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}
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}
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if(theSuccess)
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{
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ioBytes[index] = theByte;
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}
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else
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{
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break;
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}
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}
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}
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return theSuccess;
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}
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string MakeStringFromInt(int inNumber)
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{
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char theBuffer[kMaxStrLen];
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sprintf(theBuffer, "%d", inNumber);
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return string(theBuffer);
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}
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string MakeStringFromFloat(float inNumber, int inNumDecimals)
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{
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// Build format specfier like "%.2f" (where 2 is inNumDecimals)
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string theFormatSpecfier("%.");
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theFormatSpecfier += MakeStringFromInt(inNumDecimals);
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theFormatSpecfier += string("f");
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char theBuffer[kMaxStrLen];
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sprintf(theBuffer, theFormatSpecfier.c_str(), inNumber);
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return string(theBuffer);
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}
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bool MakeHexPairsFromBytes(const unsigned char* inBytes, string& ioHex, int numBytes)
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{
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bool theSuccess = true;
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string theString;
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int theNumber;
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for(int index = 0; index < numBytes*2; ++index)
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{
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theNumber = inBytes[index/2];
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if(index % 2)
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{
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theNumber %= 16;
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}
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else
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{
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theNumber /= 16;
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}
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if(theNumber > 15 || theNumber < 0)
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{
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theSuccess = false;
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break;
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}
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switch(theNumber)
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{
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case 0: case 1: case 2: case 3: case 4:
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case 5: case 6: case 7: case 8: case 9:
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theString += ('0' + theNumber);
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break;
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case 10: case 11: case 12:
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case 13: case 14: case 15:
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theString += ('A' + theNumber - 10);
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break;
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}
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}
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if(theSuccess)
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{
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ioHex.assign(theString);
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}
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return theSuccess;
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}
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string BuildAbridgedString(const string& inString, int inMaxLen)
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{
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ASSERT(inMaxLen > 0);
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string theAbridgedString = inString;
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// If inString is longer then inMaxLen
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if(inString.length() > (unsigned int)inMaxLen)
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{
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// For short max strings, just truncate past inMaxLen (it would be ridiculous to have more then half the string be "...")
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if(inMaxLen <= 7)
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{
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theAbridgedString = inString.substr(0, inMaxLen-1);
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}
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// else
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else
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{
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// Cut off all characters pass inMaxLen - 3
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theAbridgedString = inString.substr(0, inMaxLen-4);
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// Tack on "..."
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theAbridgedString += "...";
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}
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}
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return theAbridgedString;
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}
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// Pass in relative path, do search on path including mod directory, return files relative to mod directory
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bool BuildFileList(const string& inBaseDirectoryName, const string& inDirectoryName, const string& inFileExtension, CStringList& outList)
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{
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#ifdef WIN32
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const string kDelimiter("\\");
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#else
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const string kDelimiter("/");
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#endif
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bool theSuccess = false;
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string theBaseDirectoryName = inBaseDirectoryName;
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string theDirectoryName = inDirectoryName;
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#ifdef WIN32
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// Replace all forward slashes with \\'s if needed
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std::replace(theBaseDirectoryName.begin(), theBaseDirectoryName.end(), '/', '\\');
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std::replace(theDirectoryName.begin(), theDirectoryName.end(), '/', '\\');
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#endif
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string theFullDirName = theBaseDirectoryName + theDirectoryName;
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size_t theEndOffset = theDirectoryName.find_last_of(kDelimiter);
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string theBaseDirName = theDirectoryName.substr(0, theEndOffset);
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theFullDirName += inFileExtension;
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#ifdef WIN32
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WIN32_FIND_DATA theFindData;
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HANDLE theFileHandle;
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theFileHandle = FindFirstFile(theFullDirName.c_str(), &theFindData);
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if (theFileHandle != INVALID_HANDLE_VALUE)
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{
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do
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{
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string theFoundFilename = string(theFindData.cFileName);
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#else
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string theFoundFilename;
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FIND_DATA theFindData;
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const char* theFullDirNameCStr = theFullDirName.c_str();
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int theRC = FindFirstFile(theFullDirNameCStr, &theFindData);
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if(theRC != -1)
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{
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do
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{
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string theFoundFilename = string(theFindData.cFileName);
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#endif
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CString theCString;
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string theFullFileName = theBaseDirName + string("/") + theFoundFilename;
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// Precache requires / in the filename
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std::replace(theFullFileName.begin(), theFullFileName.end(), '\\', '/');
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theCString = theFullFileName;
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outList.push_back(theCString);
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theSuccess = true;
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#ifdef WIN32
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}
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while(FindNextFile(theFileHandle, &theFindData));
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}
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#else
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}
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while(FindNextFile(0, &theFindData));
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}
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#endif
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//DIR theDirp = opendir(theDirName.c_str());
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// while(theDirp)
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// {
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// int theErrno = 0;
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// if ((dp = readdir(theDirp)) != NULL) {
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// if (strcmp(dp->d_name, name) == 0) {
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// closedir(theDirp);
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// return FOUND;
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// }
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// } else {
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// if (theErrno == 0) {
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// closedir(theDirp);
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// return NOT_FOUND;
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// }
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// closedir(theDirp);
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// return READ_ERROR;
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// }
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// }
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// return OPEN_ERROR;
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return theSuccess;
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}
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int32 sprintf(string& outString, const char* inPattern, ...)
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{
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va_list theParameters;
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int32 theResult;
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va_start(theParameters, inPattern);
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char theCharArray[kMaxStrLen];
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theResult = ::vsprintf(theCharArray, inPattern, theParameters);
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outString = theCharArray;
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va_end(theParameters);
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return theResult;
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}
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int SafeStrcmp(const char* inStringOne, const char* inStringTwo)
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{
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int theReturnValue = -1;
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if(inStringOne && inStringTwo)
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{
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theReturnValue = strcmp(inStringOne, inStringTwo);
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}
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return theReturnValue;
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}
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// Remove leading and trailing spaces.
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// Remove trailing \r\n
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void TrimString(string& ioString)
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{
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int theStartChopIndex = 0;
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int theEndChopIndex = (int)ioString.length();
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// Now remove any leading spaces
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while((theStartChopIndex < (signed)ioString.length()) && (ioString[theStartChopIndex] == ' '))
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{
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theStartChopIndex++;
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}
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// Remove trailing newlines, carriage returns, or spaces
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while((theEndChopIndex > 0) && ((ioString[theEndChopIndex-1] == '\r') || (ioString[theEndChopIndex-1] == '\n') || (ioString[theEndChopIndex-1] == ' ')))
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{
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theEndChopIndex--;
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}
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int theLength = (int)(theEndChopIndex - theStartChopIndex);
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if(theLength > 0)
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{
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string theTrimmedString = ioString.substr(theStartChopIndex, theLength);
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ioString = theTrimmedString;
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}
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}
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