org.apache.directory.api.ldap.model.subtree

Class ReusableAntlrSubtreeSpecificationLexer

java.lang.Object

antlr.CharScanner

org.apache.directory.api.ldap.model.subtree.AntlrSubtreeSpecificationLexer

org.apache.directory.api.ldap.model.subtree.ReusableAntlrSubtreeSpecificationLexer

All Implemented Interfaces:

antlr.TokenStream, AntlrSubtreeSpecificationParserTokenTypes

public class ReusableAntlrSubtreeSpecificationLexer
extends AntlrSubtreeSpecificationLexer

A reusable lexer class extended from antlr generated lexer for an LDAP subtree specification as defined by RFC 3672. This class enables the reuse of the antlr lexer without having to recreate the it every time as stated in a Antlr Interest Group mail .

Author:

Apache Directory Project

See Also:

RFC 3672

Field Summary

Fields inherited from class org.apache.directory.api.ldap.model.subtree.AntlrSubtreeSpecificationLexer

_tokenSet_0, _tokenSet_1, _tokenSet_2, _tokenSet_3

Fields inherited from class antlr.CharScanner

_returnToken, caseSensitive, caseSensitiveLiterals, commitToPath, EOF_CHAR, hashString, inputState, literals, saveConsumedInput, tabsize, text, tokenObjectClass, traceDepth

Fields inherited from interface org.apache.directory.api.ldap.model.subtree.AntlrSubtreeSpecificationParserTokenTypes

ALPHA, CLOSE_CURLY, COLON, DESCR, DIGIT, DOT, EOF, FILTER, FILTER_VALUE, ID_and, ID_base, ID_chopAfter, ID_chopBefore, ID_item, ID_maximum, ID_minimum, ID_not, ID_or, ID_specificationFilter, ID_specificExclusions, INTEGER, INTEGER_OR_NUMERICOID, LDIGIT, LITERAL_end, NULL_TREE_LOOKAHEAD, NUMERICOID, OPEN_CURLY, SAFEUTF8CHAR, SAFEUTF8STRING, SEP, SP

Constructor Summary

Constructors

Constructor and Description
ReusableAntlrSubtreeSpecificationLexer(Reader in) Creates a ReusableAntlrSubtreeSpecificationLexer instance.

Method Summary

Modifier and Type	Method and Description
void	prepareNextInput(Reader in) Resets the state of an antlr lexer and initializes it with new input.

Methods inherited from class org.apache.directory.api.ldap.model.subtree.AntlrSubtreeSpecificationLexer

mALPHA, mCLOSE_CURLY, mCOLON, mDESCR, mDIGIT, mDOT, mFILTER_VALUE, mFILTER, mINTEGER_OR_NUMERICOID, mINTEGER, mLDIGIT, mNUMERICOID, mOPEN_CURLY, mSAFEUTF8CHAR, mSAFEUTF8STRING, mSEP, mSP, nextToken

Methods inherited from class antlr.CharScanner

append, append, commit, consume, consumeUntil, consumeUntil, getCaseSensitive, getCaseSensitiveLiterals, getColumn, getCommitToPath, getFilename, getInputBuffer, getInputState, getLine, getTabSize, getText, getTokenObject, LA, makeToken, mark, match, match, match, matchNot, matchRange, newline, panic, panic, reportError, reportError, reportWarning, resetText, rewind, setCaseSensitive, setColumn, setCommitToPath, setFilename, setInputState, setLine, setTabSize, setText, setTokenObjectClass, tab, testLiteralsTable, testLiteralsTable, toLower, traceIn, traceIndent, traceOut, uponEOF

Methods inherited from class java.lang.Object

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

Constructor Detail

ReusableAntlrSubtreeSpecificationLexer

public ReusableAntlrSubtreeSpecificationLexer(Reader in)

Creates a ReusableAntlrSubtreeSpecificationLexer instance.

Parameters:

in - the input to the lexer

Method Detail

prepareNextInput

public void prepareNextInput(Reader in)

Resets the state of an antlr lexer and initializes it with new input.

Parameters:

in - the input to the lexer