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#import "NumberParsing.h"
int64_t ParseNumberWithBase(const char *num,int length,int base)
{
char cstr[length+1];
memcpy(cstr,num,length);
cstr[length]=0;
return strtoll(cstr,NULL,base);
}
int64_t ParseDecimalNumber(const char *num,int length)
{
return ParseNumberWithBase(num,length,10);
}
int64_t ParseHexadecimalNumber(const char *num,int length)
{
return ParseNumberWithBase(num,length,16);
}
int64_t ParseOctalNumber(const char *num,int length)
{
return ParseNumberWithBase(num,length,8);
}
@implementation CSHandle (NumberParsing)
-(int64_t)readDecimalNumberWithDigits:(int)numdigits
{
char buf[numdigits];
[self readBytes:numdigits toBuffer:buf];
return ParseDecimalNumber(buf,numdigits);
}
-(int64_t)readHexadecimalNumberWithDigits:(int)numdigits
{
char buf[numdigits];
[self readBytes:numdigits toBuffer:buf];
return ParseHexadecimalNumber(buf,numdigits);
}
-(int64_t)readOctalNumberWithDigits:(int)numdigits
{
char buf[numdigits];
[self readBytes:numdigits toBuffer:buf];
return ParseOctalNumber(buf,numdigits);
}
@end
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