| 1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org |
| 2 | * |
| 3 | * Copyright 2000-2014, Michael Meyling <mime@qedeq.org>. |
| 4 | * |
| 5 | * "Hilbert II" is free software; you can redistribute |
| 6 | * it and/or modify it under the terms of the GNU General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | |
| 16 | package org.qedeq.kernel.bo.service.basis; |
| 17 | |
| 18 | import org.qedeq.base.trace.Trace; |
| 19 | import org.qedeq.kernel.bo.module.InternalServiceJob; |
| 20 | import org.qedeq.kernel.bo.module.KernelQedeqBo; |
| 21 | import org.qedeq.kernel.bo.module.ModuleLabels; |
| 22 | import org.qedeq.kernel.se.base.module.Axiom; |
| 23 | import org.qedeq.kernel.se.base.module.ChangedRule; |
| 24 | import org.qedeq.kernel.se.base.module.ChangedRuleList; |
| 25 | import org.qedeq.kernel.se.base.module.FunctionDefinition; |
| 26 | import org.qedeq.kernel.se.base.module.Import; |
| 27 | import org.qedeq.kernel.se.base.module.Node; |
| 28 | import org.qedeq.kernel.se.base.module.PredicateDefinition; |
| 29 | import org.qedeq.kernel.se.base.module.Proposition; |
| 30 | import org.qedeq.kernel.se.base.module.Rule; |
| 31 | import org.qedeq.kernel.se.common.ModuleDataException; |
| 32 | import org.qedeq.kernel.se.common.Service; |
| 33 | import org.qedeq.kernel.se.common.SourceFileExceptionList; |
| 34 | import org.qedeq.kernel.se.dto.module.NodeVo; |
| 35 | |
| 36 | |
| 37 | /** |
| 38 | * Create mapping from labels to {@link org.qedeq.kernel.se.dto.module.NodeVo} for a QEDEQ module. |
| 39 | * |
| 40 | * @author Michael Meyling |
| 41 | */ |
| 42 | public final class ModuleLabelsCreator extends ControlVisitor { |
| 43 | |
| 44 | /** This class. */ |
| 45 | private static final Class CLASS = ModuleLabelsCreator.class; |
| 46 | |
| 47 | /** QEDEQ module labels, definitions, references, etc. */ |
| 48 | private ModuleLabels labels; |
| 49 | |
| 50 | /** Current node id. */ |
| 51 | private String nodeId = ""; |
| 52 | |
| 53 | /** |
| 54 | * Constructor. |
| 55 | * |
| 56 | * @param service This service we work for. |
| 57 | * @param prop Internal QedeqBo. |
| 58 | */ |
| 59 | public ModuleLabelsCreator(final Service service, final KernelQedeqBo prop) { |
| 60 | super(service, prop); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Visit import. Loads referenced QEDEQ module and saves reference. |
| 65 | * |
| 66 | * @param imp Begin visit of this element. |
| 67 | */ |
| 68 | public void visitEnter(final Import imp) { |
| 69 | try { |
| 70 | this.labels.addLabel(getCurrentContext(), |
| 71 | imp.getLabel()); |
| 72 | } catch (ModuleDataException me) { |
| 73 | addError(me); |
| 74 | Trace.trace(CLASS, this, "visitEnter(Import)", me); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | public void visitEnter(final Axiom axiom) { |
| 79 | setBlocked(true); // block further traverse |
| 80 | } |
| 81 | |
| 82 | public void visitEnter(final Proposition proposition) { |
| 83 | setBlocked(true); // block further traverse |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Increase function definition counter. |
| 88 | * |
| 89 | * @param funcDef Begin visit of this element. |
| 90 | */ |
| 91 | public void visitEnter(final FunctionDefinition funcDef) { |
| 92 | setBlocked(true); // block further traverse |
| 93 | // we always save the definition, even if there already exists an entry |
| 94 | labels.addFunction(funcDef, getCurrentContext()); |
| 95 | } |
| 96 | |
| 97 | public void visitEnter(final PredicateDefinition predDef) { |
| 98 | setBlocked(true); // block further traverse |
| 99 | // we always save the definition, even if there already exists an entry |
| 100 | labels.addPredicate(predDef, getCurrentContext()); |
| 101 | } |
| 102 | |
| 103 | public void visitEnter(final Rule rule) { |
| 104 | setBlocked(true); // block further traverse |
| 105 | // we always save the definition, even if there already exists an entry |
| 106 | labels.addRule(nodeId, rule, getCurrentContext()); |
| 107 | if (rule.getChangedRuleList() != null) { |
| 108 | final ChangedRuleList list = rule.getChangedRuleList(); |
| 109 | for (int i = 0; i < list.size() && list.get(i) != null; i++) { |
| 110 | final ChangedRule r = list.get(i); |
| 111 | labels.addChangedRule(nodeId, rule, r, getCurrentContext()); |
| 112 | } |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | public void visitEnter(final Node node) { |
| 117 | nodeId = node.getId(); |
| 118 | } |
| 119 | |
| 120 | public void visitLeave(final Node node) { |
| 121 | nodeId = ""; |
| 122 | try { |
| 123 | labels.addNode(getCurrentContext(), (NodeVo) node, getKernelQedeqBo(), |
| 124 | getCurrentNumbers()); |
| 125 | } catch (ModuleDataException me) { |
| 126 | addError(me); |
| 127 | Trace.trace(CLASS, this, "visitEnter(Node)", me); |
| 128 | } |
| 129 | setBlocked(false); // allow further traverse |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Fill QEDEQ module labels. |
| 134 | * |
| 135 | * @param process We work for this process. |
| 136 | * @param labels Herein the labels are filled. |
| 137 | * @throws SourceFileExceptionList Traverse lead to errors. |
| 138 | */ |
| 139 | public void createLabels(final InternalServiceJob process, final ModuleLabels labels) |
| 140 | throws SourceFileExceptionList { |
| 141 | this.labels = labels; |
| 142 | traverse(process); |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Get QEDEQ module labels. |
| 147 | * |
| 148 | * @return QEDEQ module labels. */ |
| 149 | public ModuleLabels getLabels() { |
| 150 | return labels; |
| 151 | } |
| 152 | |
| 153 | } |
| 154 | |