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package org.netbeans.modules.db.sql.editor;

import java.util.logging.Level;

import java.util.logging.Logger;

import org.netbeans.editor.BaseTokenCategory;

import org.netbeans.editor.BaseTokenID;

import org.netbeans.editor.TokenContext;

import org.netbeans.editor.TokenContextPath;

/**

* SQL token-context defines token-ids and token-categories

* used in SQL language.

*

* @author Jesse Beaumont based on code by Miloslav Metelka

*/

public class SQLTokenContext extends TokenContext {

    // Numeric-ids for token categories

    public static final int ERRORS_ID = 0; // errors

    // Numeric-ids for token-ids

    public static final int WHITESPACE_ID = ERRORS_ID + 1; // inside white space

    public static final int LINE_COMMENT_ID = WHITESPACE_ID + 1; // inside line comment --

    public static final int BLOCK_COMMENT_ID = LINE_COMMENT_ID + 1; // inside block comment /* ... */

    public static final int STRING_ID = BLOCK_COMMENT_ID + 1; // inside string constant

    public static final int INCOMPLETE_STRING_ID = STRING_ID + 1; // inside string constant after '

    public static final int IDENTIFIER_ID = INCOMPLETE_STRING_ID + 1; // inside identifier

    public static final int OPERATOR_ID = IDENTIFIER_ID + 1; // slash char

    public static final int INVALID_COMMENT_END_ID = OPERATOR_ID + 1; // after '0'

    public static final int INT_LITERAL_ID = INVALID_COMMENT_END_ID + 1; // integer number

    public static final int DOUBLE_LITERAL_ID = INT_LITERAL_ID + 1; // double number

    public static final int DOT_ID = DOUBLE_LITERAL_ID + 1; // after '.'

    public static final int KEYWORD_ID = DOT_ID + 1;

    // Token categories

    public static final BaseTokenCategory ERRORS = 

            new BaseTokenCategory("errors", ERRORS_ID); // NOI18N

    // Token-ids

    public static final BaseTokenID WHITESPACE = 

            new BaseTokenID( "whitespace", WHITESPACE_ID ); // NOI18N

    public static final BaseTokenID LINE_COMMENT = 

            new BaseTokenID( "line-comment", LINE_COMMENT_ID ); // NOI18N

    public static final BaseTokenID BLOCK_COMMENT = 

            new BaseTokenID( "block-comment", BLOCK_COMMENT_ID ); // NOI18N

    public static final BaseTokenID STRING = 

            new BaseTokenID( "string-literal", STRING_ID ); // NOI18N

    public static final BaseTokenID INCOMPLETE_STRING = 

            new BaseTokenID( "incomplete-string-literal", INCOMPLETE_STRING_ID, ERRORS ); // NOI18N

    public static final BaseTokenID IDENTIFIER = 

            new BaseTokenID( "identifier", IDENTIFIER_ID ); // NOI18N

    public static final BaseTokenID OPERATOR = 

            new BaseTokenID( "operator", OPERATOR_ID ); // NOI18N

    public static final BaseTokenID INVALID_COMMENT_END = 

            new BaseTokenID( "invalid-comment-end", INVALID_COMMENT_END_ID, ERRORS ); // NOI18N

    public static final BaseTokenID INT_LITERAL = 

            new BaseTokenID( "int-literal", INT_LITERAL_ID ); // NOI18N

    public static final BaseTokenID DOUBLE_LITERAL = 

            new BaseTokenID( "double-literal", DOUBLE_LITERAL_ID ); // NOI18N

    public static final BaseTokenID DOT = 

            new BaseTokenID( "dot", DOT_ID ); // NOI18N

    public static final BaseTokenID KEYWORD = 

            new BaseTokenID( "keyword", KEYWORD_ID ); // NOI18N

    // Context instance declaration

    public static final SQLTokenContext context = new SQLTokenContext();

    public static final TokenContextPath contextPath = context.getContextPath();

    /**

     * Constructs a new SQLTokenContext

     */

    private SQLTokenContext() {

        super("sql-"); // NOI18N

        try {

            addDeclaredTokenIDs();

        } catch (Exception e) {

            Logger.getLogger (SQLTokenContext.class.getName ()).log (Level.INFO, e.getLocalizedMessage (), e);

        }

    }

}