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- /*
- * ====================================================================
- * 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
- *
- * http://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.
- * ====================================================================
- */
-
- package org.apache.poi.sl.draw.geom;
-
- import java.awt.geom.Rectangle2D;
- import java.util.HashMap;
- import java.util.Map;
- import java.util.regex.Pattern;
-
- public class Context {
- private static final Pattern DOUBLE_PATTERN = Pattern.compile(
- "[\\x00-\\x20]*[+-]?(NaN|Infinity|((((\\p{Digit}+)(\\.)?((\\p{Digit}+)?)" +
- "([eE][+-]?(\\p{Digit}+))?)|(\\.(\\p{Digit}+)([eE][+-]?(\\p{Digit}+))?)|" +
- "(((0[xX](\\p{XDigit}+)(\\.)?)|(0[xX](\\p{XDigit}+)?(\\.)(\\p{XDigit}+)))" +
- "[pP][+-]?(\\p{Digit}+)))[fFdD]?))[\\x00-\\x20]*");
-
- private final Map<String, Double> _ctx = new HashMap<>();
- private final IAdjustableShape _props;
- private final Rectangle2D _anchor;
-
- public Context(CustomGeometry geom, Rectangle2D anchor, IAdjustableShape props){
- _props = props;
- _anchor = anchor;
- for(Guide gd : geom.adjusts) {
- evaluate(gd);
- }
- for(Guide gd : geom.guides) {
- evaluate(gd);
- }
- }
-
- Rectangle2D getShapeAnchor(){
- return _anchor;
- }
-
- Guide getAdjustValue(String name){
- // ignore HSLF props for now ... the results with default value are usually better - see #59004
- return (_props.getClass().getName().contains("hslf")) ? null : _props.getAdjustValue(name);
- }
-
- public double getValue(String key){
- if(DOUBLE_PATTERN.matcher(key).matches()){
- return Double.parseDouble(key);
- }
-
- // BuiltInGuide throws IllegalArgumentException if key is not defined
- return _ctx.containsKey(key) ? _ctx.get(key) : evaluate(BuiltInGuide.valueOf("_"+key));
- }
-
- public double evaluate(Formula fmla){
- double result = fmla.evaluate(this);
- if (fmla instanceof Guide) {
- String key = ((Guide)fmla).getName();
- if (key != null) {
- _ctx.put(key, result);
- }
- }
- return result;
- }
- }
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