net.razorvine.serpent

Class Parser

java.lang.Object

net.razorvine.serpent.Parser

public class Parser
extends Object

Parse a Python literal into an Ast (abstract syntax tree).

Constructor Summary

Constructors

Constructor and Description
Parser()

Method Summary

Modifier and Type	Method and Description
Ast	parse(byte[] serialized) Parse from a byte array (containing utf-8 encoded string with the Python literal expression in it)
Ast	parse(String expression) Parse from a string with the Python literal expression
INode	parseSingle(SeekableStringReader sr)
static byte[]	toBytes(Object obj) Utility function to convert obj back to actual bytes if it is a serpent-encoded bytes dictionary (a IDictionary with base-64 encoded 'data' in it and 'encoding'='base64').

Methods inherited from class java.lang.Object

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

Constructor Detail

Parser

public Parser()

Method Detail

parse

public Ast parse(byte[] serialized)
          throws ParseException

Parse from a byte array (containing utf-8 encoded string with the Python literal expression in it)

Throws:

ParseException

parse

public Ast parse(String expression)

Parse from a string with the Python literal expression

parseSingle

public INode parseSingle(SeekableStringReader sr)

toBytes

public static byte[] toBytes(Object obj)

Utility function to convert obj back to actual bytes if it is a serpent-encoded bytes dictionary (a IDictionary with base-64 encoded 'data' in it and 'encoding'='base64'). If obj is already a byte array, return obj unmodified. If it is something else, throw an IllegalArgumentException