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Introduce variadic print #30

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Introduce variadic print #30

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123 changes: 1 addition & 122 deletions api/Print.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -58,32 +58,7 @@ size_t Print::print(const String &s)
return write(s.c_str(), s.length());
}

size_t Print::print(const char str[])
{
return write(str);
}

size_t Print::print(char c)
{
return write(c);
}

size_t Print::print(unsigned char b, int base)
{
return print((unsigned long) b, base);
}

size_t Print::print(int n, int base)
{
return print((long) n, base);
}

size_t Print::print(unsigned int n, int base)
{
return print((unsigned long) n, base);
}

size_t Print::print(long n, int base)
size_t Print::print(signed long n, int base)
{
if (base == 0) {
return write(n);
Expand Down Expand Up @@ -132,107 +107,11 @@ size_t Print::print(double n, int digits)
return printFloat(n, digits);
}

size_t Print::println(const __FlashStringHelper *ifsh)
{
size_t n = print(ifsh);
n += println();
return n;
}

size_t Print::print(const Printable& x)
{
return x.printTo(*this);
}

size_t Print::println(void)
{
return write("\r\n");
}

size_t Print::println(const String &s)
{
size_t n = print(s);
n += println();
return n;
}

size_t Print::println(const char c[])
{
size_t n = print(c);
n += println();
return n;
}

size_t Print::println(char c)
{
size_t n = print(c);
n += println();
return n;
}

size_t Print::println(unsigned char b, int base)
{
size_t n = print(b, base);
n += println();
return n;
}

size_t Print::println(int num, int base)
{
size_t n = print(num, base);
n += println();
return n;
}

size_t Print::println(unsigned int num, int base)
{
size_t n = print(num, base);
n += println();
return n;
}

size_t Print::println(long num, int base)
{
size_t n = print(num, base);
n += println();
return n;
}

size_t Print::println(unsigned long num, int base)
{
size_t n = print(num, base);
n += println();
return n;
}

size_t Print::println(long long num, int base)
{
size_t n = print(num, base);
n += println();
return n;
}

size_t Print::println(unsigned long long num, int base)
{
size_t n = print(num, base);
n += println();
return n;
}

size_t Print::println(double num, int digits)
{
size_t n = print(num, digits);
n += println();
return n;
}

size_t Print::println(const Printable& x)
{
size_t n = print(x);
n += println();
return n;
}

// Private Methods /////////////////////////////////////////////////////////////

size_t Print::printNumber(unsigned long n, uint8_t base)
Expand Down
73 changes: 52 additions & 21 deletions api/Print.h
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,8 @@
#define OCT 8
#define BIN 2

#define _always_inline __attribute__ ((__always_inline__)) // undefined at end

class Print
{
private:
Expand Down Expand Up @@ -56,31 +58,60 @@ class Print

size_t print(const __FlashStringHelper *);
size_t print(const String &);
size_t print(const char[]);
size_t print(char);
size_t print(unsigned char, int = DEC);
size_t print(int, int = DEC);
size_t print(unsigned int, int = DEC);
size_t print(long, int = DEC);
size_t print( signed long, int = DEC);
size_t print(unsigned long, int = DEC);
size_t print(long long, int = DEC);
size_t print(unsigned long long, int = DEC);
size_t print(double, int = 2);
size_t print(const Printable&);

size_t println(const __FlashStringHelper *);
size_t println(const String &s);
size_t println(const char[]);
size_t println(char);
size_t println(unsigned char, int = DEC);
size_t println(int, int = DEC);
size_t println(unsigned int, int = DEC);
size_t println(long, int = DEC);
size_t println(unsigned long, int = DEC);
size_t println(long long, int = DEC);
size_t println(unsigned long long, int = DEC);
size_t println(double, int = 2);
size_t println(const Printable&);

_always_inline size_t print(const char str[]) { return write(str); }
_always_inline size_t print(const char c) { return write(c); }
_always_inline size_t print(const Printable &x) { return x.printTo(*this); }

_always_inline size_t print( signed char n, int f = DEC) { return print(( signed long) n, f); }
_always_inline size_t print( signed short n, int f = DEC) { return print(( signed long) n, f); }
_always_inline size_t print( signed int n, int f = DEC) { return print(( signed long) n, f); }
_always_inline size_t print(unsigned char n, int f = DEC) { return print((unsigned long) n, f); }
_always_inline size_t print(unsigned short n, int f = DEC) { return print((unsigned long) n, f); }
_always_inline size_t print(unsigned int n, int f = DEC) { return print((unsigned long) n, f); }
_always_inline size_t print( float n, int f = 2 ) { return print(( double ) n, f); }

size_t println(void);

#if __cplusplus >= 201103L
template<typename ...Ts> _always_inline size_t println(const Ts &...args) { size_t t = print(args...); return t + println(); }
#else
template<typename T> _always_inline size_t println(const T &arg) { size_t t = print(arg); return t + println(); }
template<typename T> _always_inline size_t println(const T &n, int f) { size_t t = print(n, f); return t + println(); }
#endif // __cplusplus >= 201103L


/** Variadic methods **/
#if __cplusplus >= 201103L // requires C++11
// Ensure there are at least two parameters to avoid infinite recursion.
// e.g. `StringSumHelper s; print(s)` may be treated as `print(s, ...)`
// with `...` being the empty list, thus calling `print(s)` again.
// (This is because print(StringSumHelper) isn't explicitly defined.)

template<typename T, typename T2, typename ...Ts>
_always_inline size_t print(const T &arg, const T2 &arg2, const Ts &...args) {
size_t t = print(arg);
return t + print(arg2, args...);
}
// Some methods take an extra int parameter. If so, use these templates.
// In a future, it would be nice to make the base/precision a special type.
template<typename ...Ts> _always_inline size_t print( signed char n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print( signed short n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print( signed int n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print( signed long n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print(unsigned char n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print(unsigned short n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print(unsigned int n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print(unsigned long n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print( float n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print( double n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print(long long n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
template<typename ...Ts> _always_inline size_t print(unsigned long long n, int f, const Ts &...args) { size_t t = print(n, f); return t + print(args...); }
#endif // __cplusplus >= 201103L
};