org.tentackle.model.parse

Class Line

java.lang.Object

org.tentackle.model.parse.Line

Direct Known Subclasses:

MultiLine, SingleLine

public abstract class Line
extends Object

A parsed line.
May span multiple input lines.

Author:

harald

Constructor Summary

Constructors

Constructor and Description
Line(Document document, int offset, LineType lineType) Creates a line.

Method Summary

Modifier and Type	Method and Description
protected void	assertParsed() Asserts that this line is parsed.
ModelException	createModelException(String message) Creates a model exception.
ModelException	createModelException(String message, Throwable cause) Creates a model exception.
Document	getDocument() Gets the document this line belongs to.
int	getLength() Gets the length of the parsed line.
int	getLineNumber() Gets the first linenumber of this line within the document.
LineType	getLineType() Gets the line type.
int	getOffset() Gets the offset within the document.
SourceInfo	getSourceInfo() Gets the source info for this line.
String	getText() Gets the line's text.
abstract void	parse() Parses a line.
protected void	setLength(int length) Sets the line's length. Invoked from within parse().
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Line

public Line(Document document,
            int offset,
            LineType lineType)

Creates a line.

Parameters:

document - the whole document

offset - offset to first character within document

lineType - the line type

Method Detail

getDocument

public Document getDocument()

Gets the document this line belongs to.

Returns:

the document

getOffset

public int getOffset()

Gets the offset within the document.

Returns:

the start of this line

getLineNumber

public int getLineNumber()

Gets the first linenumber of this line within the document.

Returns:

the linenumber, starting at 1

getLineType

public LineType getLineType()

Gets the line type.

Returns:

the line type

assertParsed

protected void assertParsed()
                     throws ModelException

Asserts that this line is parsed.

Throws:

ModelException - if not parsed

getLength

public int getLength()
              throws ModelException

Gets the length of the parsed line.

Returns:

the length

Throws:

ModelException - if line has not been parsed yet

setLength

protected void setLength(int length)

Sets the line's length.
Invoked from within parse().

Parameters:

length - the lines length, -1 means to end of file

getText

public String getText()
               throws ModelException

Gets the line's text.

Returns:

the text within the document

Throws:

ModelException - if line has not been parsed yet

getSourceInfo

public SourceInfo getSourceInfo()

Gets the source info for this line.

Returns:

the source info

toString

public String toString()

Overrides:

toString in class Object

parse

public abstract void parse()
                    throws ModelException

Parses a line.

Throws:

ModelException - if parsing failed

createModelException

public ModelException createModelException(String message,
                                           Throwable cause)

Creates a model exception.

Parameters:

message - the message

cause - the optional chained cause

Returns:

the exception

createModelException

public ModelException createModelException(String message)

Creates a model exception.

Parameters:

message - the message

Returns:

the exception