org.apache.directory.api.ldap.trigger

Class ReusableAntlrTriggerSpecificationLexer

java.lang.Object

antlr.CharScanner

org.apache.directory.api.ldap.trigger.AntlrTriggerSpecificationLexer

org.apache.directory.api.ldap.trigger.ReusableAntlrTriggerSpecificationLexer

All Implemented Interfaces:

antlr.TokenStream, AntlrTriggerSpecificationParserTokenTypes

class ReusableAntlrTriggerSpecificationLexer
extends AntlrTriggerSpecificationLexer

A reusable lexer class extended from antlr generated lexer for an LDAP Trigger Specification as defined at The ABNF grammar for LDAP Triggers.

This class enables the reuse of the antlr lexer without having to recreate the it every time as stated in an ANTLR Interest Group mail .

Author:

Apache Directory Project

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	savedCaseSensitive
private boolean	savedCaseSensitiveLiterals

Fields inherited from class org.apache.directory.api.ldap.trigger.AntlrTriggerSpecificationLexer

_tokenSet_0, _tokenSet_1, _tokenSet_2

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.trigger.AntlrTriggerSpecificationParserTokenTypes

ALPHA, CLOSE_CURLY, CLOSE_PARAN, COMMENT, DOT, EOF, ID_add, ID_AFTER, ID_attributes, ID_CALL, ID_delete, ID_deletedEntry, ID_deleteoldrdn, ID_entry, ID_languageScheme, ID_ldapContext, ID_modification, ID_modify, ID_modifyDN, ID_modifyDNExport, ID_modifyDNImport, ID_modifyDNRename, ID_name, ID_newDN, ID_newEntry, ID_newrdn, ID_newSuperior, ID_object, ID_oldEntry, ID_oldRDN, ID_oldSuperiorDN, ID_operationPrincipal, ID_scope_base, ID_scope_one, ID_scope_subtree, ID_search_scope, ID_searchContext, IDENTIFIER, NULL_TREE_LOOKAHEAD, OPEN_CURLY, OPEN_PARAN, SAFEUTF8CHAR, SEMI, SEP, SP, UTF8String

Constructor Summary

Constructors

Constructor and Description
ReusableAntlrTriggerSpecificationLexer(Reader in) Creates a ReusableAntlrTriggerSpecificationLexer 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.trigger.AntlrTriggerSpecificationLexer

mALPHA, mCLOSE_CURLY, mCLOSE_PARAN, mCOMMENT, mDOT, mIDENTIFIER, mOPEN_CURLY, mOPEN_PARAN, mSAFEUTF8CHAR, mSEMI, mSEP, mSP, mUTF8String, 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

Field Detail

savedCaseSensitive

private boolean savedCaseSensitive

savedCaseSensitiveLiterals

private boolean savedCaseSensitiveLiterals

Constructor Detail

ReusableAntlrTriggerSpecificationLexer

ReusableAntlrTriggerSpecificationLexer(Reader in)

Creates a ReusableAntlrTriggerSpecificationLexer 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