Mercurial > projects > mde
annotate mde/file/ssi.d @ 114:b16a534f5302
Changes for tango r4201. Added override keyword in a lot of places.
| author | Diggory Hardy <diggory.hardy@gmail.com> |
|---|---|
| date | Fri, 19 Dec 2008 15:15:06 +0000 |
| parents | ac1e3fd07275 |
| children |
| rev | line source |
|---|---|
| 82 | 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 /************************************************************************************************** | |
| 17 * mde SSI (Single Seriazied Item) format - functions to read a file into a struct and vice-versa. | |
| 18 * | |
| 19 * This is a very simple format capable of handling any type supported by the (de)serializer. | |
| 20 *************************************************************************************************/ | |
| 21 module mde.file.ssi; | |
| 22 | |
| 23 import mde.file.exception; | |
| 24 import mde.file.serialize; | |
| 25 | |
| 26 import tango.io.UnicodeFile; | |
| 27 | |
| 28 S read(S) (FilePath path) { | |
| 29 char[] buf; | |
| 30 try { | |
|
114
b16a534f5302
Changes for tango r4201. Added override keyword in a lot of places.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
82
diff
changeset
|
31 scope file = new UnicodeFile!(char) (path.toString, Encoding.Unknown); // from BOM or use UTF-8 |
| 82 | 32 buf = cast(char[]) file.read; |
| 33 } catch (Exception e) { | |
| 34 throw new ioException ("While reading \""~path.toString~"\": "~e.msg); | |
| 35 } | |
| 36 | |
| 37 // Read header. Note: may be followed by new-line, but serializer strips white-space anyway. | |
| 38 if (buf.length < 8 || buf[0..8] != "mdessi00") | |
| 39 throw new parseException (path.toString ~ " is not a recognized mde ssi file: it doesn't start mdessi00"); | |
| 40 | |
| 41 try { | |
| 42 return deserialize!(S) (buf[8..$]); | |
| 43 } catch (Exception e) { | |
| 44 throw new parseException ("Failed to read mde ssi file: "~e.msg); | |
| 45 } | |
| 46 } | |
| 47 | |
| 48 void write(S) (FilePath path, S content) { | |
| 49 try { | |
|
114
b16a534f5302
Changes for tango r4201. Added override keyword in a lot of places.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
82
diff
changeset
|
50 scope file = new UnicodeFile!(char) (path.toString, Encoding.UTF_8N); |
| 82 | 51 file.write ("mdessi00\n"~serialize(content), true); |
| 52 } catch (Exception e) { | |
| 53 throw new ioException ("Unable to write file "~path.toString~": "~e.msg); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 debug (mdeUnitTest) { | |
| 58 import tango.util.log.Log : Log, Logger; | |
| 59 import tango.io.FilePath; | |
| 60 | |
| 61 private Logger logger; | |
| 62 static this() { | |
| 63 logger = Log.getLogger ("mde.file.ssi"); | |
| 64 } | |
| 65 | |
| 66 unittest { | |
| 67 struct A { | |
| 68 float x; | |
| 69 dchar y; | |
| 70 long z; | |
| 71 } | |
| 72 A a; | |
| 73 a.x = 0.0f; | |
| 74 a.y = '搀'; | |
| 75 a.z = (cast(long) uint.max) + 1; | |
| 76 | |
| 77 FilePath path = FilePath ("SSIUnitTest.ssi"); | |
| 78 write (path, a); | |
| 79 assert (a == read!(A)(path)); | |
| 80 path.remove; // get rid of the file | |
| 81 | |
| 82 logger.info ("Unittest complete."); | |
| 83 } | |
| 84 } |