Package com.globalmentor.text

Class ABNF

java.lang.Object

com.globalmentor.text.ABNF

public class ABNF
extends Object

Definitions for augmented BNF as defined by RFC 2234: Augmented BNF for Syntax Specifications: ABNF.

Author:

Garret Wilson

See Also:

• RFC 2234

Field Summary

Fields

Modifier and Type	Field	Description
static final Characters	ALPHA_CHARACTERS	Alphabetic characters: 0x41-5A / 0x61-7A (A-Z / a-z).
static final Characters	BIT_CHARACTERS	Character representing binary bits: "0" / "1".
static final Characters	CHAR_CHARACTERS	Any 7-bit US-ASCII characters, excluding NUL: 0x01-7F.
static final char	CR	A carriage return character.
static final String	CRLF	Internet standard newline.
static final Characters	CTL_CHARACTERS	Control characters: 0x00-1F / 0x7F.
static final Characters	DIGIT_CHARACTERS	Digit characters: 0x30-39 (0-9).
static final char	DQUOTE	A double quote character.
static final Characters	HEXDIG_CHARACTERS	Hexadecimal digits.
static final char	HTAB	A horizontal tab character.
static final char	LF	A linefeed character.
static final Characters	LWSP_CHARACTERS	Linear whitespace (WSP / CRLF WSP).
static final Characters	OCTET_CHARACTERS	Characters taking up 8 bits of data: 0x00-FF.
static final char	SP	A space character.
static final Characters	VCHAR_CHARACTERS	Visible (printing) characters: 0x21-7E.
static final Characters	WSP_CHARACTERS	White space characters.

Constructor Summary

Constructors

Constructor	Description
ABNF()

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

ALPHA_CHARACTERS

public static final Characters ALPHA_CHARACTERS

Alphabetic characters: 0x41-5A / 0x61-7A (A-Z / a-z).

BIT_CHARACTERS

public static final Characters BIT_CHARACTERS

Character representing binary bits: "0" / "1".

CHAR_CHARACTERS

public static final Characters CHAR_CHARACTERS

Any 7-bit US-ASCII characters, excluding NUL: 0x01-7F.

CR

public static final char CR

A carriage return character.

See Also:

• Constant Field Values

LF

public static final char LF

A linefeed character.

See Also:

• Constant Field Values

CRLF

public static final String CRLF

Internet standard newline.

See Also:

• Constant Field Values

CTL_CHARACTERS

public static final Characters CTL_CHARACTERS

Control characters: 0x00-1F / 0x7F.

DIGIT_CHARACTERS

public static final Characters DIGIT_CHARACTERS

Digit characters: 0x30-39 (0-9).

DQUOTE

public static final char DQUOTE

A double quote character.

See Also:

• Constant Field Values

HEXDIG_CHARACTERS

public static final Characters HEXDIG_CHARACTERS

Hexadecimal digits.

Note that this definition differs from ASCII.HEX_CHARACTERS in that this definition, following RFC 2234, does not include lowercase letters.

HTAB

public static final char HTAB

A horizontal tab character.

See Also:

• Constant Field Values

SP

public static final char SP

A space character.

See Also:

• Constant Field Values

WSP_CHARACTERS

public static final Characters WSP_CHARACTERS

White space characters.

LWSP_CHARACTERS

public static final Characters LWSP_CHARACTERS

Linear whitespace (WSP / CRLF WSP).

OCTET_CHARACTERS

public static final Characters OCTET_CHARACTERS

Characters taking up 8 bits of data: 0x00-FF.

VCHAR_CHARACTERS

public static final Characters VCHAR_CHARACTERS

Visible (printing) characters: 0x21-7E.

Constructor Details

ABNF

public ABNF()