org.verapdf.parser

Class NotSeekableBaseParser

java.lang.Object

org.verapdf.parser.NotSeekableBaseParser

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

NotSeekableCOSParser, Type3CharProcParser

public class NotSeekableBaseParser
extends Object
implements Closeable

Base PDF parser that operates with a buffered stream. The seek() operation of stream is not required.

Author:

Sergey Shemyakov

Field Summary

Fields

Modifier and Type	Field and Description
protected ASBufferedInFilter	source

Constructor Summary

Constructors

Constructor and Description
NotSeekableBaseParser(ASInputStream stream) Constructor from stream.

Method Summary

Modifier and Type	Method and Description
void	close() Closes source stream.
protected boolean	findKeyword(Token.Keyword keyword)
protected boolean	findKeyword(Token.Keyword keyword, int lookUpSize)
protected String	getLine()
protected byte[]	getLineBytes()
protected Token	getToken()
protected void	initializeToken()
protected static boolean	isCR(int c)
protected boolean	isDigit()
protected static boolean	isDigit(byte c)
protected static boolean	isLF(int c)
protected void	nextToken()
protected void	readNumber()
protected String	readUntilDelimiter()
protected void	skipSpaces()
protected void	skipSpaces(boolean skipComment)
protected void	skipStreamSpaces()

Methods inherited from class java.lang.Object

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

Field Detail

source

protected ASBufferedInFilter source

Constructor Detail

NotSeekableBaseParser

public NotSeekableBaseParser(ASInputStream stream)
                      throws IOException

Constructor from stream. New buffered stream from given stream is created.

Parameters:

stream - is source data stream.

Throws:

IOException

Method Detail

close

public void close()
           throws IOException

Closes source stream.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

initializeToken

protected void initializeToken()

getToken

protected Token getToken()

getLine

protected String getLine()
                  throws IOException

Throws:

IOException

getLineBytes

protected byte[] getLineBytes()
                       throws IOException

Throws:

IOException

readUntilDelimiter

protected String readUntilDelimiter()
                             throws IOException

Throws:

IOException

findKeyword

protected boolean findKeyword(Token.Keyword keyword)
                       throws IOException

Throws:

IOException

findKeyword

protected boolean findKeyword(Token.Keyword keyword,
                              int lookUpSize)
                       throws IOException

Throws:

IOException

nextToken

protected void nextToken()
                  throws IOException

Throws:

IOException

skipSpaces

protected void skipSpaces()
                   throws IOException

Throws:

IOException

skipSpaces

protected void skipSpaces(boolean skipComment)
                   throws IOException

Throws:

IOException

skipStreamSpaces

protected void skipStreamSpaces()
                         throws IOException

Throws:

IOException

isDigit

protected boolean isDigit()
                   throws IOException

Throws:

IOException

isDigit

protected static boolean isDigit(byte c)

isLF

protected static boolean isLF(int c)

isCR

protected static boolean isCR(int c)

readNumber

protected void readNumber()
                   throws IOException

Throws:

IOException