org.apache.directory.api.ldap.model.schema.parsers

Class ReusableAntlrSchemaLexer

java.lang.Object

antlr.CharScanner

org.apache.directory.api.ldap.model.schema.syntaxes.AntlrSchemaLexer

org.apache.directory.api.ldap.model.schema.parsers.ReusableAntlrSchemaLexer

All Implemented Interfaces:

antlr.TokenStream, AntlrSchemaTokenTypes

public class ReusableAntlrSchemaLexer
extends AntlrSchemaLexer

A reusable lexer class extended from antlr generated lexer for an LDAP schema as defined in RFC 4512. 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 .

See Also:

RFC 3672

Field Summary

Fields inherited from class org.apache.directory.api.ldap.model.schema.syntaxes.AntlrSchemaLexer

_tokenSet_0, _tokenSet_1, _tokenSet_2, _tokenSet_3, _tokenSet_4, _tokenSet_5, _tokenSet_6

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.schema.syntaxes.AntlrSchemaTokenTypes

ABSTRACT, APPLIES, ATTRIBUTETYPE, AUX, AUX_OR_AUXILIARY, AUXILIARY, BYTECODE, BYTECODE_VALUE, COLLECTIVE, DESC, DIRECTORY_OPERATION, DISTRIBUTED_OPERATION, DOLLAR, DSA_OPERATION, EOF, EQUALITY, EXTENSION, FORM, FQCN, FQCN_IDENTIFIER, FQCN_LETTER, FQCN_LETTERORDIGIT, FQCN_VALUE, LBRACKET, LEN, LPAR, MAY, MUST, NAME, NO_USER_MODIFICATION, NOT, NULL_TREE_LOOKAHEAD, OBJECTCLASS, OBJECTIDENTIFIER, OBSOLETE, OC, ORDERING, QUOTE, QUOTED_STRING, RBRACKET, RPAR, SINGLE_VALUE, STARTNUMERICOID, STRUCTURAL, SUBSTR, SUP, SYNTAX, UNQUOTED_STRING, USAGE, USER_APPLICATIONS, VALUE, VALUES, WHSP

Constructor Summary

Constructors

Constructor and Description
ReusableAntlrSchemaLexer(Reader in) Creates a ReusableAntlrSchemaLexer 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.schema.syntaxes.AntlrSchemaLexer

mABSTRACT, mAPPLIES, mATTRIBUTETYPE, mAUX_OR_AUXILIARY, mAUX, mAUXILIARY, mBYTECODE_VALUE, mBYTECODE, mCOLLECTIVE, mDESC, mDIRECTORY_OPERATION, mDISTRIBUTED_OPERATION, mDOLLAR, mDSA_OPERATION, mEQUALITY, mEXTENSION, mFORM, mFQCN_IDENTIFIER, mFQCN_LETTER, mFQCN_LETTERORDIGIT, mFQCN_VALUE, mFQCN, mLBRACKET, mLEN, mLPAR, mMAY, mMUST, mNAME, mNO_USER_MODIFICATION, mNOT, mOBJECTCLASS, mOBJECTIDENTIFIER, mOBSOLETE, mOC, mORDERING, mQUOTE, mQUOTED_STRING, mRBRACKET, mRPAR, mSINGLE_VALUE, mSTARTNUMERICOID, mSTRUCTURAL, mSUBSTR, mSUP, mSYNTAX, mUNQUOTED_STRING, mUSAGE, mUSER_APPLICATIONS, mVALUE, mVALUES, mWHSP, 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

ReusableAntlrSchemaLexer

public ReusableAntlrSchemaLexer(Reader in)

Creates a ReusableAntlrSchemaLexer 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