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/* |
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* This file is part of ArakneLangLoader. |
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* |
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* ArakneLangLoader is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* ArakneLangLoader is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with ArakneLangLoader. If not, see <https://www.gnu.org/licenses/>. |
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* |
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* Copyright (c) 2020 Vincent Quatrevieux |
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*/ |
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package fr.arakne.swflangloader.parser; |
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import java.lang.reflect.Type; |
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import java.util.HashMap; |
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import java.util.Map; |
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/** |
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* Parse action script assignations |
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* Some variable type can be declared |
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*/ |
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final public class AssignationParser { |
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final static private String[] CAST_FUNCTIONS = new String[] {"Boolean", "String", "Number"}; |
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final private Map<String, AssignationType> declaredTypes = new HashMap<>(); |
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final private AssignationType defaultType = new DefaultAssignationType(); |
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/** |
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* Declare a variable |
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* |
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* @param varName The variable name |
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* @param type The variable type |
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* |
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* @return this |
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*/ |
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public AssignationParser declare(String varName, AssignationType type) { |
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declaredTypes.put(varName, type); |
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return this; |
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} |
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/** |
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* Declare a simple variable (not associative) |
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* |
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* @param varName The variable name |
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* @param type The variable type |
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* |
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* @return this |
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*/ |
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public AssignationParser declareSimple(String varName, Class<?> type) { |
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return declare(varName, new SimpleAssignationType(type)); |
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} |
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/** |
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* Declare a map variable (associative) |
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* |
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* @param varName The variable name |
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* @param keyType The map key type |
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* @param type The map value type |
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* |
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* @return this |
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*/ |
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public AssignationParser declareMap(String varName, Type keyType, Class<?> type) { |
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return declare(varName, new MapAssignationType(keyType, type)); |
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} |
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/** |
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* Declare an integer map variable |
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* |
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* @param varName The variable name |
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* @param type The map value type |
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* |
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* @return this |
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*/ |
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public AssignationParser declareIntegerMap(String varName, Class<?> type) { |
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return declareMap(varName, Integer.class, type); |
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} |
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/** |
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* Declare an string map variable |
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* |
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* @param varName The variable name |
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* @param type The map value type |
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* |
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* @return this |
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*/ |
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public AssignationParser declareStringMap(String varName, Class<?> type) { |
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return declareMap(varName, String.class, type); |
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} |
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/** |
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* Parse an action script line to get the assignation |
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* |
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* @param line Line to parse |
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* |
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* @return The assignation |
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*/ |
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public Assignation parseLine(String line) { |
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if (!line.endsWith(";")) { |
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return Assignation.NULL; |
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} |
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final int eqPos = line.indexOf('='); |
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if (eqPos == -1) { |
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return Assignation.NULL; |
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} |
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final String left = line.substring(0, eqPos).trim(); |
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final String right = handleConcatenation( |
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removeCastFunctions( |
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line.substring(eqPos + 1, line.length() - 1).trim() |
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) |
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); |
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if (left.isEmpty() || right.isEmpty()) { |
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return Assignation.NULL; |
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} |
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if (left.endsWith("]")) { |
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return parseAssoc(left, right); |
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} else { |
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return parseSimple(left, right); |
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} |
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} |
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private Assignation parseAssoc(String left, String right) { |
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final int assocOpen = left.indexOf('['); |
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if (assocOpen == -1) { |
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return Assignation.NULL; |
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} |
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final String varName = left.substring(0, assocOpen); |
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final String key = left.substring(assocOpen + 1, left.length() - 1); |
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return declaredTypes.getOrDefault(varName, defaultType).parseAssociative(varName, key, right); |
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} |
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private Assignation parseSimple(String varName, String value) { |
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return declaredTypes.getOrDefault(varName, defaultType).parseSimple(varName, value); |
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} |
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private String removeCastFunctions(String value) { |
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for (String func : CAST_FUNCTIONS) { |
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if (value.startsWith(func) && value.charAt(func.length()) == '(' && value.charAt(value.length() - 1) == ')') { |
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value = value.substring(func.length() + 1, value.length() - 1); |
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} |
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} |
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return value; |
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} |
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/** |
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* Remove simple string concatenation |
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* See: https://github.com/Arakne/SwfLangLoader/issues/1 |
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*/ |
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private String handleConcatenation(String value) { |
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return value.replaceAll("\" \\+ \"", ""); |
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} |
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} |
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Arakne /
SwfLangLoader
