/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *   SPDX-License-Identifier: Apache-2.0
 */

package org.apache.jena.riot.tokens;

public enum TokenType {

    NODE, IRI, PREFIXED_NAME, BNODE,
    // BOOLEAN,
    // One kind of string - the seen form is record
    STRING,

    LITERAL_LANG, LITERAL_DT, INTEGER, DECIMAL, DOUBLE, BOOLEAN,

    // Not RDF
    KEYWORD, VAR, HEX,
    UNDERSCORE,              // In RDF, UNDERSCORE is only visible if BNode processing is not enabled.

    // COLON is only visible if prefix names are not being processed.
    DOT, COMMA, SEMICOLON, COLON, DIRECTIVE,
    // LT, GT, LE, GE are only visible if IRI processing is not enabled.
    LT, GT, LE, GE, LOGICAL_AND, LOGICAL_OR,    // && and ||

    // << and >> : Used in RDF 1.2
    LT2, GT2,
    // RDF 1.2 star triple terms <<( ... )>>
    L_TRIPLE, R_TRIPLE,
    // RDF 1.2 annotation syntax {|...|}
    L_ANN, R_ANN,

    VBAR, AMPERSAND,
    LBRACE, RBRACE,         // {}
    LPAREN, RPAREN,         // ()
    LBRACKET, RBRACKET,     // []
    // = == + - * / \ ! ? ~
    EQUALS, EQUIVALENT, PLUS, MINUS, STAR, SLASH, RSLASH, EMARK, QMARK, TILDE,
    // Whitespace, any comment, (one line comment, multiline comment)
    NL, WS, COMMENT, COMMENT1, COMMENT2, EOF;
}
