Package com.singularsys.jep.configurableparser.matchers

Class StringTokenMatcher2

  • All Implemented Interfaces:
    TokenMatcher, java.io.Serializable
    public class StringTokenMatcher2
extends java.lang.Object
implements TokenMatcher
    Base class for matching quoted strings. This class allows escape characters like \n inside the string, As well as unicode ᨚ and latin \007 escape sequences. Unlike StringTokenMatcher a hand built pattern matcher is used rather than regular expressions.
    See Also:
    Serialized Form

    • Constructor Detail

      • StringTokenMatcher2

        public StringTokenMatcher2​(char delim,
                           boolean incQuotes)
        Construct a string matcher.
        Parameters:
        delim - The delimiter character typically " or ' or `.
        incQuotes - whether the quote character should be included.

    • Method Detail

      • match

        public Token match​(java.lang.String s)
            throws ParseException
        Description copied from interface: TokenMatcher
        Attempts to match the start of the string. Note new objects should be created each time as error reporting information is later attached to tokens.
        Specified by:
        match in interface TokenMatcher
        Parameters:
        s - the string to match against
        Returns:
        if successful returns the corresponding token, return null if failed to match
        Throws:
        ParseException - on syntax error

      • doubleQuoteStringMatcher

        public static StringTokenMatcher2 doubleQuoteStringMatcher()
        Factory for matching single line double quoted strings.
        Returns:
        a TokenMatcher

      • singleQuoteStringMatcher

        public static StringTokenMatcher2 singleQuoteStringMatcher()
        Factory for matching single line single quoted strings.
        Returns:
        a TokenMatcher

      • singleQuoteStringMatcher

        public static StringTokenMatcher2 singleQuoteStringMatcher​(boolean incQuotes)
        Factory for matching single line single quoted strings.
        Parameters:
        incQuotes - whether the quote character should be returned to the parser.
        Returns:
        a TokenMatcher

      • init

        public void init​(Jep j)
        Description copied from interface: TokenMatcher
        Initialize the matcher when the Jep instance is known.
        Specified by:
        init in interface TokenMatcher
        Parameters:
        j - Jep instance