Library: Foundation
Package: Core
Header: Poco/NumberFormatter.h
The NumberFormatter class provides static methods for formatting numeric values into strings.
There are two kind of static member functions:
Internally, std::sprintf() is used to do the actual formatting.
Member Functions: append, append0, appendHex, format, format0, formatHex
static void append(
std::string & str,
int value
);
Formats an integer value in decimal notation.
static void append(
std::string & str,
int value,
int width
);
Formats an integer value in decimal notation, right justified in a field having at least the specified width.
static void append(
std::string & str,
unsigned value
);
Formats an unsigned int value in decimal notation.
static void append(
std::string & str,
unsigned value,
int width
);
Formats an unsigned long int in decimal notation, right justified in a field having at least the specified width.
static void append(
std::string & str,
long value
);
Formats a long value in decimal notation.
static void append(
std::string & str,
long value,
int width
);
Formats a long value in decimal notation, right justified in a field having at least the specified width.
static void append(
std::string & str,
unsigned long value
);
Formats an unsigned long value in decimal notation.
static void append(
std::string & str,
unsigned long value,
int width
);
Formats an unsigned long value in decimal notation, right justified in a field having at least the specified width.
static void append(
std::string & str,
float value
);
Formats a float value in decimal floating-point notation, according to std::printf's %g format with a precision of 8 fractional digits.
static void append(
std::string & str,
double value
);
Formats a double value in decimal floating-point notation, according to std::printf's %g format with a precision of 16 fractional digits.
static void append(
std::string & str,
double value,
int precision
);
Formats a double value in decimal floating-point notation, according to std::printf's %f format with the given precision.
static void append(
std::string & str,
double value,
int width,
int precision
);
Formats a double value in decimal floating-point notation, right justified in a field of the specified width, with the number of fractional digits given in precision.
static void append(
std::string & str,
const void * ptr
);
Formats a pointer in an eight (32-bit architectures) or sixteen (64-bit architectures) characters wide field in hexadecimal notation.
static void append0(
std::string & str,
int value,
int width
);
Formats an integer value in decimal notation, right justified and zero-padded in a field having at least the specified width.
static void append0(
std::string & str,
unsigned int value,
int width
);
Formats an unsigned int value in decimal notation, right justified and zero-padded in a field having at least the specified width.
static void append0(
std::string & str,
long value,
int width
);
Formats a long value in decimal notation, right justified and zero-padded in a field having at least the specified width.
static void append0(
std::string & str,
unsigned long value,
int width
);
Formats an unsigned long value in decimal notation, right justified and zero-padded in a field having at least the specified width.
static void appendHex(
std::string & str,
int value
);
Formats an int value in hexadecimal notation. The value is treated as unsigned.
static void appendHex(
std::string & str,
int value,
int width
);
Formats a int value in hexadecimal notation, right justified and zero-padded in a field having at least the specified width. The value is treated as unsigned.
static void appendHex(
std::string & str,
unsigned value
);
Formats an unsigned int value in hexadecimal notation.
static void appendHex(
std::string & str,
unsigned value,
int width
);
Formats a int value in hexadecimal notation, right justified and zero-padded in a field having at least the specified width.
static void appendHex(
std::string & str,
long value
);
Formats an unsigned long value in hexadecimal notation. The value is treated as unsigned.
static void appendHex(
std::string & str,
long value,
int width
);
Formats an unsigned long value in hexadecimal notation, right justified and zero-padded in a field having at least the specified width. The value is treated as unsigned.
static void appendHex(
std::string & str,
unsigned long value
);
Formats an unsigned long value in hexadecimal notation.
static void appendHex(
std::string & str,
unsigned long value,
int width
);
Formats an unsigned long value in hexadecimal notation, right justified and zero-padded in a field having at least the specified width.
static std::string format(
int value
);
Formats an integer value in decimal notation.
static std::string format(
int value,
int width
);
Formats an integer value in decimal notation, right justified in a field having at least the specified width.
static std::string format(
unsigned value
);
Formats an unsigned int value in decimal notation.
static std::string format(
unsigned value,
int width
);
Formats an unsigned long int in decimal notation, right justified in a field having at least the specified width.
static std::string format(
long value
);
Formats a long value in decimal notation.
static std::string format(
long value,
int width
);
Formats a long value in decimal notation, right justified in a field having at least the specified width.
static std::string format(
unsigned long value
);
Formats an unsigned long value in decimal notation.
static std::string format(
unsigned long value,
int width
);
Formats an unsigned long value in decimal notation, right justified in a field having at least the specified width.
static std::string format(
float value
);
Formats a float value in decimal floating-point notation, according to std::printf's %g format with a precision of 8 fractional digits.
static std::string format(
double value
);
Formats a double value in decimal floating-point notation, according to std::printf's %g format with a precision of 16 fractional digits.
static std::string format(
double value,
int precision
);
Formats a double value in decimal floating-point notation, according to std::printf's %f format with the given precision.
static std::string format(
double value,
int width,
int precision
);
Formats a double value in decimal floating-point notation, right justified in a field of the specified width, with the number of fractional digits given in precision.
static std::string format(
const void * ptr
);
Formats a pointer in an eight (32-bit architectures) or sixteen (64-bit architectures) characters wide field in hexadecimal notation.
static std::string format0(
int value,
int width
);
Formats an integer value in decimal notation, right justified and zero-padded in a field having at least the specified width.
static std::string format0(
unsigned int value,
int width
);
Formats an unsigned int value in decimal notation, right justified and zero-padded in a field having at least the specified width.
static std::string format0(
long value,
int width
);
Formats a long value in decimal notation, right justified and zero-padded in a field having at least the specified width.
static std::string format0(
unsigned long value,
int width
);
Formats an unsigned long value in decimal notation, right justified and zero-padded in a field having at least the specified width.
static std::string formatHex(
int value
);
Formats an int value in hexadecimal notation. The value is treated as unsigned.
static std::string formatHex(
int value,
int width
);
Formats a int value in hexadecimal notation, right justified and zero-padded in a field having at least the specified width. The value is treated as unsigned.
static std::string formatHex(
unsigned value
);
Formats an unsigned int value in hexadecimal notation.
static std::string formatHex(
unsigned value,
int width
);
Formats a int value in hexadecimal notation, right justified and zero-padded in a field having at least the specified width.
static std::string formatHex(
long value
);
Formats an unsigned long value in hexadecimal notation. The value is treated as unsigned.
static std::string formatHex(
long value,
int width
);
Formats an unsigned long value in hexadecimal notation, right justified and zero-padded in a field having at least the specified width. The value is treated as unsigned.
static std::string formatHex(
unsigned long value
);
Formats an unsigned long value in hexadecimal notation.
static std::string formatHex(
unsigned long value,
int width
);
Formats an unsigned long value in hexadecimal notation, right justified and zero-padded in a field having at least the specified width.