cpdetector.io.parser.EncodingParser Maven / Gradle / Ivy

// $ANTLR 2.7.4: "charsetParser.g" -> "EncodingParser.java"$

package cpdetector.io.parser;

import antlr.TokenBuffer;
import antlr.TokenStreamException;
import antlr.TokenStreamIOException;
import antlr.ANTLRException;
import antlr.LLkParser;
import antlr.Token;
import antlr.TokenStream;
import antlr.RecognitionException;
import antlr.NoViableAltException;
import antlr.MismatchedTokenException;
import antlr.SemanticException;
import antlr.ParserSharedInputState;
import antlr.collections.impl.BitSet;

public class EncodingParser extends antlr.LLkParser       implements EncodingParserTokenTypes
 {

protected EncodingParser(TokenBuffer tokenBuf, int k) {
  super(tokenBuf,k);
  tokenNames = _tokenNames;
}

public EncodingParser(TokenBuffer tokenBuf) {
  this(tokenBuf,1);
}

protected EncodingParser(TokenStream lexer, int k) {
  super(lexer,k);
  tokenNames = _tokenNames;
}

public EncodingParser(TokenStream lexer) {
  this(lexer,1);
}

public EncodingParser(ParserSharedInputState state) {
  super(state,1);
  tokenNames = _tokenNames;
}

	public final String  htmlDocument() throws RecognitionException, TokenStreamException {
		String charset;
		
		Token  token1 = null;
		Token  token2 = null;
		charset = null;
		
		try {      // for error handling
			switch ( LA(1)) {
			case META_CONTENT_TYPE:
			{
				{
				token1 = LT(1);
				match(META_CONTENT_TYPE);
				}
				charset=token1.getText();
				break;
			}
			case XML_ENCODING_DECL:
			{
				{
				token2 = LT(1);
				match(XML_ENCODING_DECL);
				}
				charset=token2.getText();
				break;
			}
			case EOF:
			{
				charset=null;
				break;
			}
			default:
			{
				throw new NoViableAltException(LT(1), getFilename());
			}
			}
		}
		catch (RecognitionException ex) {
			reportError(ex);
			consume();
			consumeUntil(_tokenSet_0);
		}
		return charset;
	}
	
	
	public static final String[] _tokenNames = {
		"<0>",
		"EOF",
		"<2>",
		"NULL_TREE_LOOKAHEAD",
		"META_CONTENT_TYPE",
		"XML_ENCODING_DECL",
		"IDENTIFIER",
		"SPACING",
		"NEWLINE",
		"SPACE",
		"DIGIT",
		"LETTER"
	};
	
	private static final long[] mk_tokenSet_0() {
		long[] data = { 2L, 0L};
		return data;
	}
	public static final BitSet _tokenSet_0 = new BitSet(mk_tokenSet_0());
	
	}