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The XML DTD Parser API
- Version:
- $Revision: 6213 $ $Date: 2003-03-03 00:05:44 -0700 (Mon, 03 Mar 2003) $
- Author:
- Alexander Totok
This package consists of two parsers:
The parser is fully compliant with the current
XML specification,
unless otherwise is stated, for instance it is able to parse Unicode text,
provided the {@link java.io.Reader java.io.Reader} used to instantiate
the parser is correctly set up.
The structure of the package:
The parser was written using JavaCC
(Java Compiler Compiler) - an automated tool to generate Java programming
language parsers.
This package consists of the following classes and files:
The following example parses the XML DTD file dtd-document.dtd
and constructs the corresponding
{@link org.exolab.castor.xml.dtd.DTDdocument XML DTD document} object dtd.
FileInputStream inputStream;
InputStreamReader reader;
InputCharStream charStream;
DTDInitialParser initialParser;
String intermedResult;
StringReader strReader;
DTDParser parser;
DTDdocument dtd;
// instantiate input byte stream, associated with the input file
inputStream = new FileInputStream( "dtd-document.dtd" );
// instantiate character reader from the input file byte stream
reader = new InputStreamReader( inputStream, "US-ASCII" );
// instantiate char stream for initial parser from the input reader
charStream = new InputCharStream( reader );
// instantiate initial parser
initialParser = new DTDInitialParser( charStream );
// get result of initial parsing - DTD text document with parameter
// entity references expanded
intermedResult = initialParser.Input();
// construct StringReader from the intermediate parsing result
strReader= new StringReader( intermedResult );
// instantiate char stream for the main parser
charStream = new InputCharStream( strReader );
// instantiate main parser
parser = new DTDParser( charStream );
// parse intermediate parsing result with the main parser
// and get corresponding DTD document oblect
dtd = parser.Input();
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