frysk.hpd
Class Preprocessor

java.lang.Object
  frysk.hpd.Preprocessor

 class Preprocessor
extends Object

Preprocessor handles constructs like linebreaks and compound statements, also provides a couple of static functions that might come in handy.

Nested Class Summary

(package private) class

Preprocessor.LineBuffer LineBuffer is a simple class for accumulating lines of multiline commands

Field Summary

private Preprocessor.LineBuffer

buffer

Constructor Summary

Preprocessor()
Constructor

Method Summary

private static ArrayList	breakCompound(String cmd) Break a compound command into subcommands.
private static boolean	isMultiline(String cmd) Check if this command spans multiple lines, that is ends with a '\'
Iterator	preprocess(String cmd) Preprocess the command - splitting, combining and replacing as needed
private static String	stripComment(String cmd)
private static String	stripLineBreak(String cmd) Remove the backslash from multiline command

Methods inherited from class java.lang.Object

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

Field Detail

buffer

private Preprocessor.LineBuffer buffer

Constructor Detail

Preprocessor

public Preprocessor()

Constructor

Method Detail

preprocess

public Iterator preprocess(String cmd)

Preprocess the command - splitting, combining and replacing as needed

Returns:

An iterator of commands ready to be executed, empty iterator if no commands

stripLineBreak

private static String stripLineBreak(String cmd)

Remove the backslash from multiline command

breakCompound

private static ArrayList breakCompound(String cmd)

Break a compound command into subcommands.

stripComment

private static String stripComment(String cmd)

isMultiline

private static boolean isMultiline(String cmd)

Check if this command spans multiple lines, that is ends with a '\'