edu.mit.ai.psg.strings
Class Prettify.ASCIISyntax

java.lang.Object
  |
  +--edu.mit.ai.psg.strings.Prettify.ASCIISyntax

Direct Known Subclasses:

Prettify.JavaSyntax

Enclosing class:

Prettify

public static class Prettify.ASCIISyntax

extends Object

implements Prettify.Syntax

ASCII-only syntax

Constructor Summary

Prettify.ASCIISyntax()

Method Summary

boolean	isClose(char c) is ), ], or }
boolean	isCloseQuote(char c) is '\"'
boolean	isEscapeChar(char c) is '\\'
boolean	isLetterOrDigit(char c) is a-z, A-Z, or 0-9
boolean	isMatchedClose(char open, char close) is (), [], or {}
boolean	isMatchedCloseQuote(char open, char close) is ""
boolean	isOpen(char c) is (, [, or {
boolean	isOpenQuote(char c) is '\"'
boolean	isSeparator(char c) is ',' or ';'
boolean	isWhitespace(char c) is ' ', '\t', '\n', '\r', or '\f'
int	skipString(String input, int position) skips "contiguous strings" from open quote to matching close quote
int	skipWhitespace(String input, int position) skip over space.
int	skipWord(String input, int position) skips contiguous sequences of characters which satisfy isLetterOrDigit(char) or is not any of isWhitespace(char), isSeparator(char), isOpen(char), isClose(char), isOpenQuote(char), or isCloseQuote(char).

Methods inherited from class java.lang.Object

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

Constructor Detail

Prettify.ASCIISyntax

public Prettify.ASCIISyntax()

Method Detail

isWhitespace

public boolean isWhitespace(char c)

is ' ', '\t', '\n', '\r', or '\f'

Specified by:

isWhitespace in interface Prettify.Syntax

Tags copied from interface: Prettify.Syntax

See Also:

Character.isWhitespace

isLetterOrDigit

public boolean isLetterOrDigit(char c)

is a-z, A-Z, or 0-9

Specified by:

isLetterOrDigit in interface Prettify.Syntax

Tags copied from interface: Prettify.Syntax

See Also:

Character.isLetterOrDigit

isOpen

public boolean isOpen(char c)

is (, [, or {

Specified by:

isOpen in interface Prettify.Syntax

isClose

public boolean isClose(char c)

is ), ], or }

Specified by:

isClose in interface Prettify.Syntax

isMatchedClose

public boolean isMatchedClose(char open,
                              char close)

is (), [], or {}

Specified by:

isMatchedClose in interface Prettify.Syntax

isSeparator

public boolean isSeparator(char c)

is ',' or ';'

Specified by:

isSeparator in interface Prettify.Syntax

isOpenQuote

public boolean isOpenQuote(char c)

is '\"'

Specified by:

isOpenQuote in interface Prettify.Syntax

isCloseQuote

public boolean isCloseQuote(char c)

is '\"'

Specified by:

isCloseQuote in interface Prettify.Syntax

isMatchedCloseQuote

public boolean isMatchedCloseQuote(char open,
                                   char close)

is ""

Specified by:

isMatchedCloseQuote in interface Prettify.Syntax

isEscapeChar

public boolean isEscapeChar(char c)

is '\\'

Specified by:

isEscapeChar in interface Prettify.Syntax

skipWhitespace

public int skipWhitespace(String input,
                          int position)

Description copied from interface: Prettify.Syntax

skip over space.

Specified by:

skipWhitespace in interface Prettify.Syntax

Tags copied from interface: Prettify.Syntax

Returns:

index in input string of first nonspace character searching from position, or length of string if none

skipWord

public int skipWord(String input,
                    int position)
             throws StringIndexOutOfBoundsException

skips contiguous sequences of characters which satisfy isLetterOrDigit(char) or is not any of isWhitespace(char), isSeparator(char), isOpen(char), isClose(char), isOpenQuote(char), or isCloseQuote(char).

Specified by:

skipWord in interface Prettify.Syntax

Tags copied from interface: Prettify.Syntax

Returns:

index in input string of first possible line break or length of string if none

Throws:

IllegalArgumentException - if escape char at end of input.

skipString

public int skipString(String input,
                      int position)
               throws StringIndexOutOfBoundsException

skips "contiguous strings" from open quote to matching close quote

Specified by:

skipString in interface Prettify.Syntax

Tags copied from interface: Prettify.Syntax

Returns:

index in input string of first char after matching quote.

Throws:

IllegalArgumentException - if no matching quote found.