[14838] | 1 | #region License Information
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| 2 |
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| 3 | /* HeuristicLab
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[17180] | 4 | * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[14838] | 5 | *
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| 6 | * This file is part of HeuristicLab.
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| 7 | *
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| 8 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 9 | * it under the terms of the GNU General Public License as published by
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| 10 | * the Free Software Foundation, either version 3 of the License, or
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| 11 | * (at your option) any later version.
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| 12 | *
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| 13 | * HeuristicLab is distributed in the hope that it will be useful,
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | * GNU General Public License for more details.
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| 17 | *
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| 18 | * You should have received a copy of the GNU General Public License
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| 19 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 |
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| 22 | #endregion
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| 23 |
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| 24 | using System;
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| 25 | using System.Collections.Generic;
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| 26 | using System.IO;
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| 27 | using System.Text;
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| 28 |
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| 29 | namespace HeuristicLab.Problems.BinPacking3D {
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| 30 | public class ThreeDInstanceParser {
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| 31 | public PackingShape Bin { get; private set; }
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| 32 | public List<PackingItem> Items { get; private set; }
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| 33 |
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| 34 | public void Parse(Stream stream) {
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| 35 | var reader = new StreamReader(stream);
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[15229] | 36 | var length = GetNextInteger(reader);
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| 37 | var width = GetNextInteger(reader);
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| 38 | var height = GetNextInteger(reader);
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| 39 | var maxWeight = GetNextInteger(reader);
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[14838] | 40 | Bin = new PackingShape(width, height, length);
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| 41 | Items = new List<PackingItem>();
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| 42 | while (true) {
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| 43 | try {
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[15229] | 44 | var id = GetNextInteger(reader);
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| 45 | var pieces = GetNextInteger(reader);
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| 46 | length = GetNextInteger(reader);
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| 47 | width = GetNextInteger(reader);
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| 48 | height = GetNextInteger(reader);
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| 49 | var weight = GetNextInteger(reader);
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| 50 | var stack = GetNextInteger(reader);
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| 51 | var material = GetNextInteger(reader);
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| 52 | var rotate = GetNextInteger(reader);
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| 53 | var tilt = GetNextInteger(reader);
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[14838] | 54 | for (var i = 0; i < pieces; i++) {
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[15229] | 55 | Items.Add(new PackingItem(width, height, length, Bin, weight, material));
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[14838] | 56 | }
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| 57 | } catch (InvalidOperationException) {
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| 58 | break;
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| 59 | }
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| 60 | }
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| 61 | }
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| 62 |
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[15229] | 63 | private int GetNextInteger(StreamReader reader) {
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[14838] | 64 | var next = reader.Read();
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| 65 | var builder = new StringBuilder();
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| 66 | while (next >= 0 && !char.IsDigit((char)next)) next = reader.Read();
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[15229] | 67 | if (next == -1) throw new InvalidOperationException("No further integer available");
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[14838] | 68 | while (char.IsDigit((char)next)) {
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| 69 | builder.Append((char)next);
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| 70 | next = reader.Read();
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| 71 | if (next == -1) break;
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| 72 | }
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| 73 | return int.Parse(builder.ToString());
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| 74 | }
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| 75 | }
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| 76 | }
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