Package com.singularsys.jep.configurableparser.matchers

Class StringTokenMatcher

  • All Implemented Interfaces:
    TokenBuilder, TokenMatcher, java.io.Serializable
    public class StringTokenMatcher
extends RegExpTokenMatcher
    Base class for matching quoted strings. This class uses regular expressions but does not work well with escaped character inside the string. See StringTokenMatcher2 for a matcher which works with escape character like \' \" and \n.
    See Also:
    Serialized Form

    • Constructor Detail

      • StringTokenMatcher

        public StringTokenMatcher​(java.util.regex.Pattern pattern,
                          char delim)
        A StringTokenMatcher with a given regular expression pattern.
        Parameters:
        pattern - regular expression pattern to use
        delim - the delimiter character marking start and end of the string.

    • 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.
        Returns:
        a TokenMatcher

      • singleQuoteStringMatcher

        public static StringTokenMatcher singleQuoteStringMatcher()
        Factory for matching single line single quoted strings.
        Returns:
        a TokenMatcher

      • buildToken

        public Token buildToken​(java.lang.String s)
        Description copied from class: RegExpTokenMatcher
        Builds a token following a successful match. Note new objects should be created each time as error reporting information is later attached to tokens.
        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.
        Parameters:
        j - Jep instance