// as above but a given skipChar is ignored
// this allows format characters (typically commas) in values to be ignored
long Stream::parseInt(char skipChar)
{
boolean isNegative = false;
long value = 0;
int c;
c = peekNextDigit();
// ignore non numeric leading characters
if(c < 0)
return 0; // zero returned if timeout
do{
if(c == skipChar)
; // ignore this charactor
else if(c == '-')
isNegative = true;
else if(c >= '0' && c <= '9') // is c a digit?
value = value * 10 + c - '0';
read(); // consume the character we got with peek
c = timedPeek();
}
while( (c >= '0' && c <= '9') || c == skipChar );
if(isNegative)
value = -value;
return value;
}
// as parseInt but returns a floating point value
float DeviceConnection::parseFloat(){
bool isNegative = false;
bool isFraction = false;
long value = 0;
char c;
float fraction = 1.0;
c = peekNextDigit();
// ignore non numeric leading characters
if(c < 0)
return 0; // zero returned if timeout
do{
if(c == '-')
isNegative = true;
else if (c == '.')
isFraction = true;
else if(c >= '0' && c <= '9') { // is c a digit?
value = value * 10 + c - '0';
if(isFraction)
fraction *= 0.1;
}
read(); // consume the character we got with peek
c = peek();
}
while( (c >= '0' && c <= '9') || c == '.');
if(isNegative)
value = -value;
if(isFraction)
return value * fraction;
else
return value;
}
// returns the first valid (long) integer value from the current position.
// initial characters that are not digits (or the minus sign) are skipped
// function is terminated by the first character that is not a digit.
long DeviceConnection::parseInt()
{
bool isNegative = false;
long value = 0;
int c;
c = peekNextDigit();
// ignore non numeric leading characters
if(c < 0)
return 0; // zero returned if timeout
do{
if(c == '-')
isNegative = true;
else if(c >= '0' && c <= '9') // is c a digit?
value = value * 10 + c - '0';
read(); // consume the character we got with peek
c = peek();
}
while( (c >= '0' && c <= '9'));
if(isNegative)
value = -value;
return value;
}
unsigned long SUIStream::parseIntHex(char skipChar)
{
uint32_t value = 0;
int c;
c = peekNextDigit(true);
// ignore non numeric leading characters
if (c < 0)
return 0; // zero returned if timeout
do {
if (c == skipChar)
; // ignore this character
else if (c >= '0' && c <= '9') // is c a digit?
value = (value * 16) + c - '0';
else if (c >= 'A' && c <= 'F')
value = (value * 16) + ((c - 'A') + 10);
else if (c >= 'a' && c <= 'f')
value = (value * 16) + ((c - 'a') + 10);
read(); // consume the character we got with peek
c = timedPeek();
} while ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f') || c == skipChar);
return value;
}
// as above but the given skipChar is ignored
// this allows format characters (typically commas) in values to be ignored
float ICACHE_FLASH_ATTR Stream::parseFloat(char skipChar) {
boolean isNegative = false;
boolean isFraction = false;
long value = 0;
int c;
float fraction = 1.0;
c = peekNextDigit();
// ignore non numeric leading characters
if(c < 0)
return 0; // zero returned if timeout
do {
if(c == skipChar)
; // ignore
else if(c == '-')
isNegative = true;
else if(c == '.')
isFraction = true;
else if(c >= '0' && c <= '9') { // is c a digit?
value = value * 10 + c - '0';
if(isFraction)
fraction *= 0.1;
}
read(); // consume the character we got with peek
c = timedPeek();
} while((c >= '0' && c <= '9') || c == '.' || c == skipChar);
if(isNegative)
value = -value;
if(isFraction)
return value * fraction;
else
return value;
}
unsigned long SUIStream::parseULong(char skipChar)
{
uint32_t value = 0;
int c;
c = peekNextDigit();
// ignore non numeric leading characters
if (c < 0)
return 0; // zero returned if timeout
do {
if (c == skipChar)
; // ignore this character
else if (c >= '0' && c <= '9') // is c a digit?
value = value * 10 + c - '0';
read(); // consume the character we got with peek
c = timedPeek();
} while ((c >= '0' && c <= '9') || c == skipChar);
return value;
}
