xmlgraphics-commons 1.3

org.apache.xmlgraphics.ps.dsc.tools
Class DSCTools

java.lang.Object
  extended by org.apache.xmlgraphics.ps.dsc.tools.DSCTools
All Implemented Interfaces:
DSCParserConstants

public class DSCTools
extends java.lang.Object
implements DSCParserConstants

Helper methods commonly used when dealing with DSC-compliant PostScript files.


Field Summary
 
Fields inherited from interface org.apache.xmlgraphics.ps.dsc.DSCParserConstants
COMMENT, DSC_COMMENT, EOF, HEADER_COMMENT, LINE
 
Constructor Summary
DSCTools()
           
 
Method Summary
static DSCHeaderComment checkAndSkipDSC30Header(DSCParser parser)
          Verifies that the file being parsed is a DSC 3.0 file.
static boolean headerCommentsEndHere(DSCEvent event)
          Indicates whether the given event ends a header comment section according to the rules in DSC 3.0, chapter 4.4.
static DSCComment nextPageOrTrailer(DSCParser parser, PSGenerator gen)
          Advances the parser to the next page or to the trailer or the end of file comment.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DSCTools

public DSCTools()
Method Detail

headerCommentsEndHere

public static boolean headerCommentsEndHere(DSCEvent event)
Indicates whether the given event ends a header comment section according to the rules in DSC 3.0, chapter 4.4.

Parameters:
event - the event to check
Returns:
true if a header comment section would be ended either explicitely or implicitely by the given event

checkAndSkipDSC30Header

public static DSCHeaderComment checkAndSkipDSC30Header(DSCParser parser)
                                                throws DSCException,
                                                       java.io.IOException
Verifies that the file being parsed is a DSC 3.0 file.

Parameters:
parser - the DSC parser
Returns:
the header comment event
Throws:
DSCException - In case of a violation of the DSC spec
java.io.IOException - In case of an I/O problem

nextPageOrTrailer

public static DSCComment nextPageOrTrailer(DSCParser parser,
                                           PSGenerator gen)
                                    throws java.io.IOException,
                                           DSCException
Advances the parser to the next page or to the trailer or the end of file comment.

Parameters:
parser - the DSC parser
gen - the PSGenerator instance to pass the skipped events through to
Returns:
the DSC comment found (Page, Trailer or EOF)
Throws:
java.io.IOException - In case of an I/O error
DSCException - In case of a violation of the DSC spec

xmlgraphics-commons 1.3

Copyright 1999-2008 The Apache Software Foundation. All Rights Reserved.