Package org.verapdf.parser

Class NotSeekableBaseParser

java.lang.Object

org.verapdf.parser.BaseParser

org.verapdf.parser.NotSeekableBaseParser

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

CMapBaseParser, Type3CharProcParser

public class NotSeekableBaseParser
extends BaseParser
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 inherited from class org.verapdf.parser.BaseParser

isPSParser, source, token

Constructor Summary

Constructors

Constructor	Description
NotSeekableBaseParser(ASInputStream stream)	Constructor from stream.
NotSeekableBaseParser(ASInputStream fileStream, boolean isPSParser)

Method Summary

Modifier and Type	Method	Description
void	close()	Closes source stream.
static byte[]	extendArray(byte[] array)
protected boolean	findKeyword(Token.Keyword keyword, int lookUpSize)
protected ASBufferedInFilter	getSource()
protected boolean	isEndOfComment(byte ch)
protected void	readASCII85()
protected void	skipComment()
protected void	skipStreamSpaces()

Methods inherited from class org.verapdf.parser.BaseParser

appendToToken, appendToToken, clearToken, decodeASCII85, findKeyword, getErrorMessage, getLine, getLineBytes, getToken, initializeToken, isCR, isDigit, isDigit, isFF, isLF, isPSParser, nextToken, readName, readNumber, readUntilDelimiter, skipSingleSpace, skipSpaces, skipSpaces

Methods inherited from class java.lang.Object

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

Constructor Details

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

NotSeekableBaseParser

public NotSeekableBaseParser(ASInputStream fileStream,
 boolean isPSParser)
                      throws IOException

Throws:

IOException

Method Details

close

public void close()
           throws IOException

Closes source stream.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

findKeyword

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

Specified by:

findKeyword in class BaseParser

Throws:

IOException

skipStreamSpaces

protected void skipStreamSpaces()
                         throws IOException

Throws:

IOException

skipComment

protected void skipComment()
                    throws IOException

Specified by:

skipComment in class BaseParser

Throws:

IOException

isEndOfComment

protected boolean isEndOfComment(byte ch)

readASCII85

protected void readASCII85()
                    throws IOException

Specified by:

readASCII85 in class BaseParser

Throws:

IOException

extendArray

public static byte[] extendArray(byte[] array)

getSource

protected ASBufferedInFilter getSource()

Overrides:

getSource in class BaseParser