C# Class Antlr4.Runtime.AntlrInputStream

Vacuum all input from a Reader/InputStream and then treat it like a char[] buffer.

Vacuum all input from a Reader/InputStream and then treat it like a char[] buffer. Can also pass in a string or char[] to use. If you need encoding, pass in stream/reader with correct encoding.

Inheritance: ICharStream

Show file Open project: antlr/antlr4 Class Usage Examples

Public Properties

Property	Type	Description
name	string

Protected Properties

Property	Type	Description
data	char[]
n	int
p	int

Public Methods

Method	Description
AntlrInputStream ( ) : System
AntlrInputStream ( Stream input ) : System
AntlrInputStream ( Stream input, int initialSize ) : System
AntlrInputStream ( Stream input, int initialSize, int readChunkSize ) : System
AntlrInputStream ( TextReader r ) : System
AntlrInputStream ( TextReader r, int initialSize ) : System
AntlrInputStream ( TextReader r, int initialSize, int readChunkSize ) : System
AntlrInputStream ( char data, int numberOfActualCharsInArray ) : System	This is the preferred constructor for strings as no data is copied
AntlrInputStream ( string input ) : System	Copy data in string to a local char array
Consume ( ) : void
GetText ( Interval interval ) : string
LA ( int i ) : int
Load ( TextReader r, int size, int readChunkSize ) : void
Lt ( int i ) : int
Mark ( ) : int	mark/release do nothing; we have entire buffer
Release ( int marker ) : void
Reset ( ) : void	Reset the stream so that it's in the same state it was when the object was created except the data array is not touched. Reset the stream so that it's in the same state it was when the object was created except the data array is not touched.
Seek ( int index ) : void	consume() ahead until p==index; can't just set p=index as we must update line and charPositionInLine. consume() ahead until p==index; can't just set p=index as we must update line and charPositionInLine. If we seek backwards, just set p
ToString ( ) : string

Method Details

AntlrInputStream() public method

public AntlrInputStream ( ) : System
return	System

AntlrInputStream() public method

public AntlrInputStream ( Stream input ) : System
input	Stream
return	System

AntlrInputStream() public method

public AntlrInputStream ( Stream input, int initialSize ) : System
input	Stream
initialSize	int
return	System

AntlrInputStream() public method

public AntlrInputStream ( Stream input, int initialSize, int readChunkSize ) : System
input	Stream
initialSize	int
readChunkSize	int
return	System

AntlrInputStream() public method

public AntlrInputStream ( TextReader r ) : System
r	System.IO.TextReader
return	System

AntlrInputStream() public method

public AntlrInputStream ( TextReader r, int initialSize ) : System
r	System.IO.TextReader
initialSize	int
return	System

AntlrInputStream() public method

public AntlrInputStream ( TextReader r, int initialSize, int readChunkSize ) : System
r	System.IO.TextReader
initialSize	int
readChunkSize	int
return	System

AntlrInputStream() public method

This is the preferred constructor for strings as no data is copied

public AntlrInputStream ( char data, int numberOfActualCharsInArray ) : System
data	char
numberOfActualCharsInArray	int
return	System

AntlrInputStream() public method

Copy data in string to a local char array

public AntlrInputStream ( string input ) : System
input	string
return	System

Consume() public method

public Consume ( ) : void
return	void

GetText() public method

public GetText ( Interval interval ) : string
interval	Antlr4.Runtime.Misc.Interval
return	string

LA() public method

public LA ( int i ) : int
i	int
return	int

Load() public method

public Load ( TextReader r, int size, int readChunkSize ) : void
r	System.IO.TextReader
size	int
readChunkSize	int
return	void

Lt() public method

public Lt ( int i ) : int
i	int
return	int

Mark() public method

mark/release do nothing; we have entire buffer

public Mark ( ) : int
return	int

Release() public method

public Release ( int marker ) : void
marker	int
return	void

Reset() public method

Reset the stream so that it's in the same state it was when the object was created *except* the data array is not touched.

public Reset ( ) : void
return	void

Seek() public method

consume() ahead until p==index; can't just set p=index as we must update line and charPositionInLine.

consume() ahead until p==index; can't just set p=index as we must update line and charPositionInLine. If we seek backwards, just set p

public Seek ( int index ) : void
index	int
return	void

ToString() public method

public ToString ( ) : string
return	string

Property Details

data protected property

The data being scanned

protected char[] data
return	char[]

n protected property

How many characters are actually in the buffer

protected int n
return	int

name public property

What is name or source of this char stream?

public string name
return	string

p protected property

0..n-1 index into string of next char

protected int p
return	int