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comparison mde/file/mergetag/DataSet.d @ 81:d8fccaa45d5f

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Moved file IO code from mde/mergetag to mde/file[/mergetag] and changed how some errors are caught.
author Diggory Hardy <diggory.hardy@gmail.com>
date Fri, 29 Aug 2008 11:59:43 +0100
parents mde/mergetag/DataSet.d@61ea26abe4dd
children ac1e3fd07275
comparison
equal deleted inserted replaced
80:ea58f277f487 81:d8fccaa45d5f
1 /* LICENSE BLOCK
2 Part of mde: a Modular D game-oriented Engine
3 Copyright © 2007-2008 Diggory Hardy
4
5 This program is free software: you can redistribute it and/or modify it under the terms
6 of the GNU General Public License as published by the Free Software Foundation, either
7 version 2 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 See the GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program. If not, see <http://www.gnu.org/licenses/>. */
15
16 /** This module contains the mergetag DataSet class, used for all reading and writing operations.
17 */
18 module mde.file.mergetag.DataSet;
19
20 // package imports
21 public import mde.file.mergetag.iface.IDataSection;
22 import mde.file.mergetag.DefaultData;
23
24
25 /**************************************************************************************************
26 * Data class; contains a DataSection class instance for each loaded section of a file.
27 *
28 * Stored data is available for direct access via header and sec; all functions are just helper
29 * functions.
30 *
31 * Any class implementing IDataSection may be used to store data; by default a DefaultData class is
32 * used when reading a file. Another class may be used by creating the sections before reading the
33 * file or passing the reader a function to create the sections (see Reader.dataSecCreator).
34 *
35 * Could be a struct, except that structs are value types (not reference types).
36 */
37 class DataSet
38 {
39 DefaultData header; /// Header section.
40 IDataSection[ID] sec; /// Dynamic array of sections
41
42 /// Template to return all sections of a child-class type.
43 T[ID] getSections (T : IDataSection) () {
44 T[ID] ret;
45 foreach (ID id, IDataSection s; sec) {
46 T x = cast(T) s;
47 if (x) ret[id] = x; // if non-null
48 }
49 return ret;
50 }
51 }
52
53 debug (mdeUnitTest) {
54 import tango.util.log.Log : Log, Logger;
55
56 private Logger logger;
57 static this() {
58 logger = Log.getLogger ("mde.mergetag.DataSet");
59 }
60
61 unittest { // Only covers DataSet really.
62 DataSet ds = new DataSet;
63 ds.sec[cast(ID)"test"] = new DefaultData;
64 assert (ds.getSections!(DefaultData)().length == 1);
65 ds.sec[cast(ID)"test"].addTag ("char[]",cast(ID)"T"," \"ut tag 1 \" ");
66 assert (ds.getSections!(DefaultData)()[cast(ID)"test"].Arg!(char[])[cast(ID)"T"] == "ut tag 1 ");
67
68 logger.info ("Unittest complete.");
69 }
70 }