Package net.ssehub.easy.dslCore

Class ModelUtility.CutLeadInParser

java.lang.Object

net.ssehub.easy.dslCore.ModelUtility.CutLeadInParser

Enclosing class:

ModelUtility<E extends org.eclipse.emf.ecore.EObject,R extends net.ssehub.easy.basics.modelManagement.IModel>

private static class ModelUtility.CutLeadInParser
extends Object

Specific "parser" that identifies a position where to cut the headers from the content.

Author:

Holger Eichelberger

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	emit
private InputStream	in
private int	lastEndMatch
private int	lastStart
private int	nestingLevel
private StringBuilder	out
private List<String>	parts
private int	ruleIndex
private ModelUtility.Rule[]	rules
private ModelUtility.ParseState	state

Constructor Summary

Constructors

Modifier	Constructor	Description
private	CutLeadInParser(InputStream in, ModelUtility.Rule... rules)	Creates a parser instance.

Method Summary

Modifier and Type	Method	Description
private void	analyze()	Analyze a token/constant/value/keyword.
private static boolean	enableAnalysis(char ch)	Enables token/symbol analysis, i.e., are we at a meaningful separator (in CODE).
private ModelUtility.ParseState	handleOut(char ch, ModelUtility.ParseState nextState)	Handles fixing or appending to out.
private void	matchRules()	Matches the rules.
private String	parse()	Parse the text and cut it.
private ModelUtility.ParseState	reset(int pos)	Resets the parser for a new top-level unit.

Methods inherited from class java.lang.Object

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

Field Details

in

private InputStream in

out

private StringBuilder out

rules

private ModelUtility.Rule[] rules

state

private ModelUtility.ParseState state

lastStart

private int lastStart

lastEndMatch

private int lastEndMatch

ruleIndex

private int ruleIndex

parts

private List<String> parts

nestingLevel

private int nestingLevel

emit

private boolean emit

Constructor Details

CutLeadInParser

private CutLeadInParser(InputStream in,
 ModelUtility.Rule... rules)

Creates a parser instance.

Parameters:

in - the input stream to analyze/cut

rules - the rules

Method Details

parse

private String parse()
              throws IOException

Parse the text and cut it.

Returns:

the inital or modified text

Throws:

IOException - if reading a character fails

reset

private ModelUtility.ParseState reset(int pos)

Resets the parser for a new top-level unit.

Parameters:

pos - the next position of lastStart and lastEndMatch.

Returns:

the next state

handleOut

private ModelUtility.ParseState handleOut(char ch,
 ModelUtility.ParseState nextState)

Handles fixing or appending to out.

Parameters:

ch - the actual character

nextState - the next state

Returns:

nextState

enableAnalysis

private static boolean enableAnalysis(char ch)

Enables token/symbol analysis, i.e., are we at a meaningful separator (in CODE).

Parameters:

ch - the actual character

Returns:

true for enable analysis, false else

analyze

private void analyze()

Analyze a token/constant/value/keyword.

matchRules

private void matchRules()

Matches the rules.