org.jsimpledb.parse.expr

Class LiteralExprParser

java.lang.Object

org.jsimpledb.parse.expr.LiteralExprParser

All Implemented Interfaces:

Parser<Node>

public class LiteralExprParser
extends Object
implements Parser<Node>

Parses literal values.

Includes these special extensions:

• Variable references, e.g., $foo
• Object ID literals, e.g., @fc21bf6d8930a215
• Any FieldType value in parseable string form preceded by the FieldType name in curly braces, e.g., {java.util.Date}2015-01-23T07:19:42

Field Summary

Fields

Modifier and Type	Field and Description
static LiteralExprParser	INSTANCE

Constructor Summary

Constructors

Constructor and Description
LiteralExprParser()

Method Summary

Modifier and Type	Method and Description
Node	parse(ParseSession session, ParseContext ctx, boolean complete) Parse text from the given parse context.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final LiteralExprParser INSTANCE

Constructor Detail

LiteralExprParser

public LiteralExprParser()

Method Detail

parse

public Node parse(ParseSession session,
                  ParseContext ctx,
                  boolean complete)

Description copied from interface: Parser

Parse text from the given parse context.

Generally speaking, this method may assume that any whitespace allowed before the item being parsed has already been skipped over (that's a matter for the containing parser).

Specified by:

parse in interface Parser<Node>

Parameters:

session - parse session

ctx - input to parse

complete - false if parse is "for real", true if only for tab completion calculation

Returns:

parsed value