--- /dev/null
+
+// **********************************************************************
+// 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;
+}
+
+
projects / chaz / thecheat / blobdiff