bool isStringFloat(std::string s)
{
if(!IS_STRING_VALID(s))
{
return 0;
}
if(!isCharNumeric(s[0]) && s[0] != '-')
{
return 0;
}
bool radixPointFound = 0;
int stringLength = s.length();
for(int i = 1; i < stringLength; ++i)
{
if(isCharNumeric(s[i]))
{
continue;
}
else if(s[i] == '.' && !radixPointFound)
{
radixPointFound = 1;
continue;
}
return 0;
}
if(radixPointFound)
{
return 1;
}
return 0;
}
bool isStringInt(std::string s)
{
if(!IS_STRING_VALID(s))
{
return 0;
}
if(!isCharNumeric(s[0]) && s[0] != '-')
{
return 0;
}
int stringLength = s.length();
for(int i = 1; i < stringLength; ++i)
{
if(!isCharNumeric(s[i]))
{
return 0;
}
}
return 1;
}
bool isStringValidIdentifier(std::string s)
{
if(!IS_STRING_VALID(s))
{
return 0;
}
if(!isCharAlphabetic(s[0]))
{
return 0;
}
int stringLength = s.length();
for(int i = 1; i < stringLength; ++i)
{
if(!isCharNumeric(s[i]) && !isCharAlphabetic(s[i]) && s[i] != '_')
{
return 0;
}
}
return 1;
}
unsigned char isCharAlphanumeric( char c )
{
return ( isCharAlpha( c ) || isCharNumeric( c ) );
}