diff options
Diffstat (limited to 'xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/PrecedenceTable.java')
-rw-r--r-- | xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/PrecedenceTable.java | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/PrecedenceTable.java b/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/PrecedenceTable.java deleted file mode 100644 index fbe24bb4fff2..000000000000 --- a/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/PrecedenceTable.java +++ /dev/null @@ -1,86 +0,0 @@ -/************************************************************************ - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - - -package org.openoffice.xmerge.converter.xml.sxc.pexcel.records.formula; - -import java.util.HashMap; - -/** - * This class defines the precedence applied to each operator when performing a conversion - * {@link org.openoffice.xmerge.converter.xml.sxc.pexcel.Records.formula.FormulaCompiler.infix2 from infix to RPN.}. - */ -public class PrecedenceTable { - public static final int DEFAULT_PRECEDENCE = 0; - public static final int EQNEQ_PRECEDENCE = 1; // =, <> - public static final int GTLTEQ_PRECEDENCE = 1; // >=, <= - public static final int GTLT_PRECEDENCE = 2; // >, < - public static final int ADDOP_PRECEDENCE = 4; // +, - - public static final int MULTOP_PRECEDENCE = 5; // *, / - public static final int FACTOR_PRECEDENCE = 6; // ^ - public static final int CONCAT_PRECEDENCE = 6; // & - public static final int UNARY_PRECEDENCE = 7; // !, Unary +, Unary - - public static final int PAREN_PRECEDENCE = 8; // (, ) - public static final int FUNCTION_PRECEDENCE = 8; - public static final int COMMA_PRECEDENCE = 8; - - private static HashMap map; - static { - map = new HashMap(); - - map.put("%", new Integer(UNARY_PRECEDENCE)); - map.put("+", new Integer(ADDOP_PRECEDENCE)); - map.put("-", new Integer(ADDOP_PRECEDENCE)); - map.put("*", new Integer(MULTOP_PRECEDENCE)); - map.put("/", new Integer(MULTOP_PRECEDENCE)); - map.put("(", new Integer(PAREN_PRECEDENCE)); - map.put(")", new Integer(PAREN_PRECEDENCE)); - map.put(",", new Integer(COMMA_PRECEDENCE)); - map.put(">", new Integer(GTLT_PRECEDENCE)); - map.put("<", new Integer(GTLT_PRECEDENCE)); - map.put("=", new Integer(EQNEQ_PRECEDENCE)); - map.put("&", new Integer(CONCAT_PRECEDENCE)); - map.put("^", new Integer(FACTOR_PRECEDENCE)); - map.put(">=", new Integer(GTLTEQ_PRECEDENCE)); - map.put("<=", new Integer(GTLTEQ_PRECEDENCE)); - map.put("<>", new Integer(EQNEQ_PRECEDENCE)); - map.put("FUNCTION", new Integer(FUNCTION_PRECEDENCE)); - } - - /** - * Retrieve the precedence value for a given operator. - * @param op Look up the precedence for this operator - * @return an integer representing the integer value of the operator - */ - public static int getPrecedence(String op) { - Object obj = map.get(op); - if (obj == null) { - return DEFAULT_PRECEDENCE; - } - return ((Integer)obj).intValue(); - } -} |