Package org.jruby.util

Class Sprintf

java.lang.Object

org.jruby.util.Sprintf

public class Sprintf
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	Sprintf.Args

Field Summary

Fields

Modifier and Type	Field	Description
private static final BigInteger	BIG_32
private static final BigInteger	BIG_64
private static final BigInteger	BIG_MINUS_32
private static final BigInteger	BIG_MINUS_64
private static final String	ERR_ILLEGAL_FORMAT_CHAR
private static final String	ERR_INCOMPLETE_FORMAT_SPEC
private static final String	ERR_MALFORMED_DOT_NUM
private static final String	ERR_MALFORMED_FORMAT
private static final String	ERR_MALFORMED_NAME
private static final String	ERR_MALFORMED_NUM
private static final String	ERR_MALFORMED_STAR_NUM
private static final int	FLAG_MINUS
private static final int	FLAG_NONE
private static final int	FLAG_PLUS
private static final int	FLAG_PRECISION
private static final int	FLAG_SHARP
private static final int	FLAG_SPACE
private static final int	FLAG_WIDTH
private static final int	FLAG_ZERO
private static final byte[]	INFINITY_VALUE
private static final ThreadLocal<Map<Locale,DecimalFormatSymbols>>	LOCALE_DECIMAL_FORMATS
private static final ThreadLocal<Map<Locale,NumberFormat>>	LOCALE_NUMBER_FORMATS
private static final byte[]	NAN_VALUE
private static final byte[]	PREFIX_BINARY_LC
private static final byte[]	PREFIX_BINARY_UC
private static final byte[]	PREFIX_HEX_LC
private static final byte[]	PREFIX_HEX_UC
private static final byte[]	PREFIX_NEGATIVE
private static final byte[]	PREFIX_OCTAL

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Sprintf()

Method Summary

Modifier and Type	Method	Description
private static void	checkOffset(Sprintf.Args args, int offset, int length, String message)
private static int	extendWidth(Sprintf.Args args, int oldWidth, byte newChar, String errMessage)
private static int[]	GETASTER(Sprintf.Args args, byte[] format, int offset, int length, boolean width)
private static byte[]	getBignumBytes(BigInteger val, int base, boolean sign, boolean upper)
static DecimalFormatSymbols	getDecimalFormat(Locale locale)
private static byte[]	getFixnumBytes(long val, int base, boolean sign, boolean upper)
static NumberFormat	getNumberFormat(Locale locale)
private static byte[]	getUnsignedNegativeBytes(long val)
private static byte[]	getUnsignedNegativeBytes(BigInteger val)
private static boolean	isDigit(byte aChar)
private static boolean	isPrintable(byte aChar)
private static void	raiseArgumentError(Sprintf.Args args, String message)
private static int	round(byte[] bytes, int nDigits, int roundPos, boolean roundDown)
private static boolean	rubySprintf(ByteList to, CharSequence charFormat, Sprintf.Args args)
private static boolean	rubySprintfToBuffer(ByteList buf, CharSequence charFormat, Sprintf.Args args)
private static boolean	rubySprintfToBuffer(ByteList buf, CharSequence charFormat, Sprintf.Args args, boolean usePrefixForZero)
private static int	skipSignBits(byte[] bytes, int base)
static boolean	sprintf(Ruby runtime, ByteList to, CharSequence format, int arg)
static boolean	sprintf(Ruby runtime, ByteList to, CharSequence format, long arg)
static boolean	sprintf(ByteList to, CharSequence format, IRubyObject args)
static boolean	sprintf(ByteList to, Locale locale, CharSequence format, IRubyObject args)
static boolean	sprintf(ByteList to, RubyString format, IRubyObject args)
static boolean	sprintf1_9(ByteList to, Locale locale, CharSequence format, IRubyObject args)
private static byte[]	stringToBytes(CharSequence s)
private static byte[]	stringToBytes(CharSequence s, boolean upper)
private static void	warning(IRubyWarnings.ID id, Sprintf.Args args, String message)
private static void	writeExp(ByteList buf, int exponent, byte expChar)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

FLAG_NONE

private static final int FLAG_NONE

See Also:

• Constant Field Values

FLAG_SPACE

private static final int FLAG_SPACE

See Also:

• Constant Field Values

FLAG_ZERO

private static final int FLAG_ZERO

See Also:

• Constant Field Values

FLAG_PLUS

private static final int FLAG_PLUS

See Also:

• Constant Field Values

FLAG_MINUS

private static final int FLAG_MINUS

See Also:

• Constant Field Values

FLAG_SHARP

private static final int FLAG_SHARP

See Also:

• Constant Field Values

FLAG_WIDTH

private static final int FLAG_WIDTH

See Also:

• Constant Field Values

FLAG_PRECISION

private static final int FLAG_PRECISION

See Also:

• Constant Field Values

PREFIX_OCTAL

private static final byte[] PREFIX_OCTAL

PREFIX_HEX_LC

private static final byte[] PREFIX_HEX_LC

PREFIX_HEX_UC

private static final byte[] PREFIX_HEX_UC

PREFIX_BINARY_LC

private static final byte[] PREFIX_BINARY_LC

PREFIX_BINARY_UC

private static final byte[] PREFIX_BINARY_UC

PREFIX_NEGATIVE

private static final byte[] PREFIX_NEGATIVE

NAN_VALUE

private static final byte[] NAN_VALUE

INFINITY_VALUE

private static final byte[] INFINITY_VALUE

BIG_32

private static final BigInteger BIG_32

BIG_64

private static final BigInteger BIG_64

BIG_MINUS_32

private static final BigInteger BIG_MINUS_32

BIG_MINUS_64

private static final BigInteger BIG_MINUS_64

ERR_MALFORMED_FORMAT

private static final String ERR_MALFORMED_FORMAT

See Also:

• Constant Field Values

ERR_MALFORMED_NUM

private static final String ERR_MALFORMED_NUM

See Also:

• Constant Field Values

ERR_MALFORMED_DOT_NUM

private static final String ERR_MALFORMED_DOT_NUM

See Also:

• Constant Field Values

ERR_MALFORMED_STAR_NUM

private static final String ERR_MALFORMED_STAR_NUM

See Also:

• Constant Field Values

ERR_ILLEGAL_FORMAT_CHAR

private static final String ERR_ILLEGAL_FORMAT_CHAR

See Also:

• Constant Field Values

ERR_INCOMPLETE_FORMAT_SPEC

private static final String ERR_INCOMPLETE_FORMAT_SPEC

See Also:

• Constant Field Values

ERR_MALFORMED_NAME

private static final String ERR_MALFORMED_NAME

See Also:

• Constant Field Values

LOCALE_NUMBER_FORMATS

private static final ThreadLocal<Map<Locale,NumberFormat>> LOCALE_NUMBER_FORMATS

LOCALE_DECIMAL_FORMATS

private static final ThreadLocal<Map<Locale,DecimalFormatSymbols>> LOCALE_DECIMAL_FORMATS

Constructor Details

Sprintf

private Sprintf()

Method Details

sprintf

public static boolean sprintf(ByteList to,
 Locale locale,
 CharSequence format,
 IRubyObject args)

sprintf1_9

public static boolean sprintf1_9(ByteList to,
 Locale locale,
 CharSequence format,
 IRubyObject args)

sprintf

public static boolean sprintf(ByteList to,
 CharSequence format,
 IRubyObject args)

sprintf

public static boolean sprintf(Ruby runtime,
 ByteList to,
 CharSequence format,
 int arg)

sprintf

public static boolean sprintf(Ruby runtime,
 ByteList to,
 CharSequence format,
 long arg)

sprintf

public static boolean sprintf(ByteList to,
 RubyString format,
 IRubyObject args)

rubySprintf

private static boolean rubySprintf(ByteList to,
 CharSequence charFormat,
 Sprintf.Args args)

rubySprintfToBuffer

private static boolean rubySprintfToBuffer(ByteList buf,
 CharSequence charFormat,
 Sprintf.Args args)

rubySprintfToBuffer

private static boolean rubySprintfToBuffer(ByteList buf,
 CharSequence charFormat,
 Sprintf.Args args,
 boolean usePrefixForZero)

getNumberFormat

public static NumberFormat getNumberFormat(Locale locale)

getDecimalFormat

public static DecimalFormatSymbols getDecimalFormat(Locale locale)

writeExp

private static void writeExp(ByteList buf,
 int exponent,
 byte expChar)

raiseArgumentError

private static void raiseArgumentError(Sprintf.Args args,
 String message)

warning

private static void warning(IRubyWarnings.ID id,
 Sprintf.Args args,
 String message)

checkOffset

private static void checkOffset(Sprintf.Args args,
 int offset,
 int length,
 String message)

GETASTER

private static int[] GETASTER(Sprintf.Args args,
 byte[] format,
 int offset,
 int length,
 boolean width)

extendWidth

private static int extendWidth(Sprintf.Args args,
 int oldWidth,
 byte newChar,
 String errMessage)

isDigit

private static boolean isDigit(byte aChar)

isPrintable

private static boolean isPrintable(byte aChar)

skipSignBits

private static int skipSignBits(byte[] bytes,
 int base)

round

private static int round(byte[] bytes,
 int nDigits,
 int roundPos,
 boolean roundDown)

getFixnumBytes

private static byte[] getFixnumBytes(long val,
 int base,
 boolean sign,
 boolean upper)

getBignumBytes

private static byte[] getBignumBytes(BigInteger val,
 int base,
 boolean sign,
 boolean upper)

getUnsignedNegativeBytes

private static byte[] getUnsignedNegativeBytes(long val)

getUnsignedNegativeBytes

private static byte[] getUnsignedNegativeBytes(BigInteger val)

stringToBytes

private static byte[] stringToBytes(CharSequence s,
 boolean upper)

stringToBytes

private static byte[] stringToBytes(CharSequence s)