com.singularsys.jep.configurableparser.matchers
Class StringTokenMatcher

java.lang.Object
  com.singularsys.jep.configurableparser.matchers.RegExpTokenMatcher
      com.singularsys.jep.configurableparser.matchers.StringTokenMatcher

All Implemented Interfaces:

TokenBuilder, TokenMatcher, java.io.Serializable

public class StringTokenMatcher
extends RegExpTokenMatcher

Base class for matching quoted strings. TODO cope with string like "a\"b" with escaped quote marks.

See Also:

Serialized Form

Constructor Summary

StringTokenMatcher(java.util.regex.Pattern pattern, char delim)

StringTokenMatcher(java.lang.String regex)

Method Summary

Token	buildToken(java.lang.String s) Builds a token following a successful match.
static StringTokenMatcher	doubleQuoteStringMatcher() Factory for matching single line double quoted strings.
void	init(Jep j) Initialize the matcher when the Jep instance is known.
Token	match(java.lang.String s) Attempts to match the start of the string.
static StringTokenMatcher	singleQuoteStringMatcher() Factory for matching single line single quoted strings.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringTokenMatcher

public StringTokenMatcher(java.util.regex.Pattern pattern,
                          char delim)

StringTokenMatcher

public StringTokenMatcher(java.lang.String regex)

Method Detail

match

public Token match(java.lang.String s)

Description copied from class: RegExpTokenMatcher

Attempts to match the start of the string.

Specified by:

match in interface TokenMatcher

Overrides:

match in class RegExpTokenMatcher

Parameters:

s - the string to match against

Returns:

if successful returns the corresponding token, return null if failed to match

doubleQuoteStringMatcher

public static StringTokenMatcher doubleQuoteStringMatcher()

Factory for matching single line double quoted strings.

singleQuoteStringMatcher

public static StringTokenMatcher singleQuoteStringMatcher()

Factory for matching single line single quoted strings.

buildToken

public Token buildToken(java.lang.String s)

Description copied from class: RegExpTokenMatcher

Builds a token following a successful match.

Specified by:

buildToken in interface TokenBuilder

Specified by:

buildToken in class RegExpTokenMatcher

Parameters:

s - String representing the completed matched token

Returns:

the appropriate type of token.

init

public void init(Jep j)

Description copied from interface: TokenMatcher

Initialize the matcher when the Jep instance is known.