X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fthecheat;a=blobdiff_plain;f=Conversions.m;fp=Conversions.m;h=cf6a54c4c7e1c3ced664d998371b249f0ed1b080;hp=0000000000000000000000000000000000000000;hb=d27548f80fe411fda2ee69c74a24eab4292267e9;hpb=e8d51183acdd2410a38dcf8f0efbf7c30cd6c581

diff --git a/Conversions.m b/Conversions.m
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+++ b/Conversions.m
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+
+// **********************************************************************
+// The Cheat - A universal game cheater for Mac OS X
+// (C) 2003-2004 Chaz McGarvey (BrokenZipper)
+// 
+// This program 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 1, or (at your option)
+// any later version.
+// 
+// This program 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 this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// 
+
+#import "Conversions.h"
+
+
+BOOL StringToInt32( NSString *string, SInt32 *value )
+{
+	SInt32 integer = 0;
+	int place = 1;
+	unichar characters[16];
+	int i, stringlen;
+	BOOL hasReadNumbers = NO, doneReading = NO;
+	
+	// fart around with the string
+	string = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+	stringlen = [string length];
+	if ( stringlen == 0 || stringlen >= 16 ) {
+		// the string has the wrong size to be processed further
+		return NO;
+	}
+	// read the string
+	[string getCharacters:characters];
+	
+	// parse the string backwards
+	for ( i = stringlen-1; i >= 0; i-- ) {
+		// if we're done reading but still in the loop, there's a problem
+		if ( doneReading ) {
+			return NO;
+		}
+		if ( characters[i] >= 0x30 && characters[i] <= 0x39 ) {
+			// the character is a number, update our value
+			integer += (characters[i]-48) * place;
+			place *= 10;
+			hasReadNumbers = YES;
+		}
+		else if ( characters[i] == 0x2C /*comma*/ ) {
+			// ignore these characters
+		}
+		else if ( hasReadNumbers ) {
+			// check for plus or minus signs
+			if ( characters[i] == 0x2D ) {
+				integer = -integer;
+				doneReading = YES;
+			}
+			else if ( characters[i] == 0x2B ) {
+				doneReading = YES;
+			}
+			else {
+				return NO;
+			}
+		}
+		else {
+			// the character is invalid, abort
+			return NO;
+		}
+	}
+	
+	// success, return the value
+	*value = integer;
+	return YES;
+}
+
+BOOL StringToInt16( NSString *string, SInt16 *value )
+{
+	SInt16 integer = 0;
+	int place = 1;
+	unichar characters[16];
+	int i, stringlen;
+	BOOL hasReadNumbers = NO, doneReading = NO;
+	
+	string = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+	stringlen = [string length];
+	if ( stringlen == 0 || stringlen >= 16 ) {
+		return NO;
+	}
+	[string getCharacters:characters];
+	
+	for ( i = stringlen-1; i >= 0; i-- ) {
+		if ( doneReading ) {
+			return NO;
+		}
+		if ( characters[i] >= 0x30 && characters[i] <= 0x39 ) {
+			integer += (characters[i]-48) * place;
+			place *= 10;
+			hasReadNumbers = YES;
+		}
+		else if ( characters[i] == 0x2C /*comma*/ ) {
+		}
+		else if ( hasReadNumbers ) {
+			if ( characters[i] == 0x2D ) {
+				integer = -integer;
+				doneReading = YES;
+			}
+			else if ( characters[i] == 0x2B ) {
+				doneReading = YES;
+			}
+			else {
+				return NO;
+			}
+		}
+		else {
+			return NO;
+		}
+	}
+	
+	*value = integer;
+	return YES;
+}
+
+BOOL StringToInt8( NSString *string, SInt8 *value )
+{
+	SInt8 integer = 0;
+	int place = 1;
+	unichar characters[16];
+	int i, stringlen;
+	BOOL hasReadNumbers = NO, doneReading = NO;
+	
+	string = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+	stringlen = [string length];
+	if ( stringlen == 0 || stringlen >= 16 ) {
+		return NO;
+	}
+	[string getCharacters:characters];
+	
+	for ( i = stringlen-1; i >= 0; i-- ) {
+		if ( doneReading ) {
+			return NO;
+		}
+		if ( characters[i] >= 0x30 && characters[i] <= 0x39 ) {
+			integer += (characters[i]-48) * place;
+			place *= 10;
+			hasReadNumbers = YES;
+		}
+		else if ( characters[i] == 0x2C /*comma*/ ) {
+		}
+		else if ( hasReadNumbers ) {
+			if ( characters[i] == 0x2D ) {
+				integer = -integer;
+				doneReading = YES;
+			}
+			else if ( characters[i] == 0x2B ) {
+				doneReading = YES;
+			}
+			else {
+				return NO;
+			}
+		}
+		else {
+			return NO;
+		}
+	}
+	
+	*value = integer;
+	return YES;
+}
+
+
+BOOL StringToUInt32( NSString *string, UInt32 *value )
+{
+	UInt32 integer = 0;
+	int place = 1;
+	unichar characters[16];
+	int i, stringlen;
+	BOOL hasReadNumbers = NO, doneReading = NO;
+	
+	string = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+	stringlen = [string length];
+	if ( stringlen == 0 || stringlen >= 16 ) {
+		return NO;
+	}
+	[string getCharacters:characters];
+	
+	for ( i = stringlen-1; i >= 0; i-- ) {
+		if ( doneReading ) {
+			return NO;
+		}
+		if ( characters[i] >= 0x30 && characters[i] <= 0x39 ) {
+			integer += (characters[i]-48) * place;
+			place *= 10;
+			hasReadNumbers = YES;
+		}
+		else if ( characters[i] == 0x2C /*comma*/ ) {
+		}
+		else if ( hasReadNumbers ) {
+			if ( characters[i] == 0x2D ) {
+				integer = -integer;
+				doneReading = YES;
+			}
+			else if ( characters[i] == 0x2B ) {
+				doneReading = YES;
+			}
+			else {
+				return NO;
+			}
+		}
+		else {
+			return NO;
+		}
+	}
+	
+	*value = integer;
+	return YES;
+}
+
+BOOL StringToUInt16( NSString *string, UInt16 *value )
+{
+	UInt16 integer = 0;
+	int place = 1;
+	unichar characters[16];
+	int i, stringlen;
+	BOOL hasReadNumbers = NO, doneReading = NO;
+	
+	string = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+	stringlen = [string length];
+	if ( stringlen == 0 || stringlen >= 16 ) {
+		return NO;
+	}
+	[string getCharacters:characters];
+	
+	for ( i = stringlen-1; i >= 0; i-- ) {
+		if ( doneReading ) {
+			return NO;
+		}
+		if ( characters[i] >= 0x30 && characters[i] <= 0x39 ) {
+			integer += (characters[i]-48) * place;
+			place *= 10;
+			hasReadNumbers = YES;
+		}
+		else if ( characters[i] == 0x2C /*comma*/ ) {
+		}
+		else if ( hasReadNumbers ) {
+			if ( characters[i] == 0x2D ) {
+				integer = -integer;
+				doneReading = YES;
+			}
+			else if ( characters[i] == 0x2B ) {
+				doneReading = YES;
+			}
+			else {
+				return NO;
+			}
+		}
+		else {
+			return NO;
+		}
+	}
+	
+	*value = integer;
+	return YES;
+}
+
+BOOL StringToUInt8( NSString *string, UInt8 *value )
+{
+	UInt8 integer = 0;
+	int place = 1;
+	unichar characters[16];
+	int i, stringlen;
+	BOOL hasReadNumbers = NO, doneReading = NO;
+	
+	string = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+	stringlen = [string length];
+	if ( stringlen == 0 || stringlen >= 16 ) {
+		return NO;
+	}
+	[string getCharacters:characters];
+	
+	for ( i = stringlen-1; i >= 0; i-- ) {
+		if ( doneReading ) {
+			return NO;
+		}
+		if ( characters[i] >= 0x30 && characters[i] <= 0x39 ) {
+			integer += (characters[i]-48) * place;
+			place *= 10;
+			hasReadNumbers = YES;
+		}
+		else if ( characters[i] == 0x2C /*comma*/ ) {
+		}
+		else if ( hasReadNumbers ) {
+			if ( characters[i] == 0x2D ) {
+				integer = -integer;
+				doneReading = YES;
+			}
+			else if ( characters[i] == 0x2B ) {
+				doneReading = YES;
+			}
+			else {
+				return NO;
+			}
+		}
+		else {
+			return NO;
+		}
+	}
+	
+	*value = integer;
+	return YES;
+}
+
+
+BOOL StringToFloat( NSString *string, float *value )
+{
+	float decimal;
+	int stringlen;
+	
+	stringlen = [string length];
+	if ( stringlen == 0 ) {
+		return NO;
+	}
+	
+	decimal = [string floatValue];
+	
+	*value = decimal;
+	return YES;
+}
+
+BOOL StringToDouble( NSString *string, double *value )
+{
+	double decimal;
+	int stringlen;
+	
+	stringlen = [string length];
+	if ( stringlen == 0 ) {
+		return NO;
+	}
+	
+	decimal = [string doubleValue];
+	
+	*value = decimal;
+	return YES;
+}
+
+
+// general case:
+BOOL StringToValue( NSString *string, void *value, VariableType type )
+{
+	switch ( type ) {
+		case Integer64Type:
+			return StringToInt64( string, value );
+		case Integer32Type:
+			return StringToInt32( string, value );
+		case Integer16Type:
+			return StringToInt16( string, value );
+		case Integer08Type:
+			return StringToInt8( string, value );
+		case UInteger64Type:
+			return StringToUInt64( string, value );
+		case UInteger32Type:
+			return StringToUInt32( string, value );
+		case UInteger16Type:
+			return StringToUInt16( string, value );
+		case UInteger08Type:
+			return StringToUInt8( string, value );
+	}
+	return NO;
+}
+
+
+NSString *Int32ToString( SInt32 value )
+{
+	return [NSString stringWithFormat:@"%i", value];
+}
+
+NSString *Int16ToString( SInt16 value )
+{
+	return [NSString stringWithFormat:@"%i", value];
+}
+
+NSString *Int8ToString( SInt8 value )
+{
+	return [NSString stringWithFormat:@"%i", value];
+}
+
+
+NSString *UInt32ToString( UInt32 value )
+{
+	return [NSString stringWithFormat:@"%u", value];
+}
+
+NSString *UInt16ToString( UInt16 value )
+{
+	return [NSString stringWithFormat:@"%u", value];
+}
+
+NSString *UInt8ToString( UInt8 value )
+{
+	return [NSString stringWithFormat:@"%u", value];
+}
+
+
+NSString *FloatToString( float value )
+{
+	return [NSString stringWithFormat:@"%f", value];
+}
+
+NSString *DoubleToString( double value )
+{
+	return [NSString stringWithFormat:@"%f", value];
+}
+
+// general case:
+NSString *ValueToString( void *value, VariableType type )
+{
+	switch ( type ) {
+		case Integer64Type:
+			return Int64ToString( *(SInt64 *)value );
+		case Integer32Type:
+			return Int32ToString( *(SInt32 *)value );
+		case Integer16Type:
+			return Int16ToString( *(SInt16 *)value );
+		case Integer08Type:
+			return Int8ToString( *(SInt8 *)value );
+		case UInteger64Type:
+			return UInt64ToString( *(UInt64 *)value );
+		case UInteger32Type:
+			return UInt32ToString( *(UInt32 *)value );
+		case UInteger16Type:
+			return UInt16ToString( *(UInt16 *)value );
+		case UInteger08Type:
+			return UInt8ToString( *(UInt8 *)value );
+	}
+	return NO;
+}
+
+