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annotate mde/content/Services.d @ 149:1125ba603af6

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Some ideas for content service menus.
author Diggory Hardy <diggory.hardy@gmail.com>
date Sat, 14 Mar 2009 11:05:51 +0100
parents 08651e8a8c51
children
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1 /* LICENSE BLOCK
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2 Part of mde: a Modular D game-oriented Engine
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3 Copyright © 2007-2008 Diggory Hardy
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4
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5 This program is free software: you can redistribute it and/or modify it under the terms
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6 of the GNU General Public License as published by the Free Software Foundation, either
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7 version 2 of the License, or (at your option) any later version.
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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11 See the GNU General Public License for more details.
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13 You should have received a copy of the GNU General Public License
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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16 // NOTE: This module is currently unused and untested.
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17 // FIXME: write unittests
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18
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19 /** Content services.
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20 *
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21 * Services act on a content, potentially modifying it. They have the form:
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22 * ---
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23 * bool service (Content c);
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24 * ---
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25 * where c is the content acted on, and the return value is true if the content was changed (useful
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26 * to know whether caches need updating or not).
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27 */
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28 module mde.content.Services;
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30 import mde.content.AStringContent;
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31
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32 union ContentUnion {
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33 *Content ;
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34 }
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35
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36 bool copy (Content c) {
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37 // store by type
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38 clipboard = c;
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39 }
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41 bool paste (StringContent c) {
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42 if (clipboard)
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43 c = clipboard.toString (0);
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44 }
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45
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46 bool paste (IntContent c) {
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48 }
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50 bool link (ref ContentText c) {
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51 if (clipboard is null)
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52 return false; // no item on clipboard, so don't do anything
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53 c = clipboard;
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54 return true;
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55 }
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57 ContentUnion clipboard;