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annotate mde/file/mergetag/MTTagWriter.d @ 151:e785e98d3b78

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Updated for compatibility with tango 0.99.8.
author Diggory Hardy <diggory.hardy@gmail.com>
date Sat, 04 Apr 2009 17:32:18 +0200
parents 9f035cd139c6
children 1cbde9807293
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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
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6 the terms of the GNU General Public License as published by the Free Software
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7 Foundation, either version 2 of the License, or (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY
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10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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11 PARTICULAR PURPOSE. See the GNU General Public License for more details.
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12
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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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15
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16 /******************************************************************************
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17 * This module contains a simpler, easier to use, mergetag writer.
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18 *****************************************************************************/
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19 module mde.file.mergetag.MTTagWriter;
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20
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21 import mde.file.mergetag.internal;
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22 import mde.file.mergetag.exception;
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23
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24 import tango.io.device.File;
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25 import tango.io.stream.Buffered;
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26 import tango.util.log.Log : Log, Logger;
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27
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28 private Logger logger;
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29 static this() {
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30 logger = Log.getLogger ("mde.file.mergetag.MTTagWriter");
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31 }
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32
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9f035cd139c6 BIG commit. Major change: old Options class is gone, all content values are loaded and saved automatically. All options updated to reflect this, some changed.
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33 MTTagWriter getMTTagWriter (char[] path) {
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34 if (path.length > 4 && path[$-4..$] == ".mtt")
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35 return new MTTTagWriter (path);
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36 else if (path.length > 4 && path[$-4..$] == ".mtb")
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37 return new MTBTagWriter (path);
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38 else {
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39 logger.error ("Unable to determine writing format: text or binary");
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40 throw new MTFileFormatException;
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41 }
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42 }
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43
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44 abstract class MTTagWriter
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45 {
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46 /// Set the current section
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47 void sectionTag (char[] section);
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48
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49 /// Write a data tag
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50 void dataTag (char[] type, char[] id, char[] data);
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51
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52 /// Change the section if necessary and write a data tag
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53 void writeTag (char[] section, char[] type, char[] id, char[] data) {
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54 if (section != sec)
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55 sectionTag (section);
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56 dataTag (type, id, data);
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57 }
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58
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59 /// Close the file
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60 void close ();
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61
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62 protected:
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63 char[] sec; // current section
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64 }
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65
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66 class MTTTagWriter : MTTagWriter
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67 {
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68 /** Opens the file path for writing. Call close() when done! */
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69 this (char[] path) {
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70 buffer = new BufferedOutput (new File (path, File.WriteCreate));
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71
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72 buffer.append ("{" ~ CurrentVersionString ~ "}" ~ Eol);
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73 }
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74
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75 void sectionTag (char[] section) {
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76 sec = section;
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77 buffer.append ("{" ~ section ~ "}" ~ Eol);
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78 }
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79
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80 void dataTag (char[] type, char[] id, char[] data) {
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81 buffer.append ("<" ~ type ~ "|" ~ id ~"=" ~ data ~ ">" ~ Eol);
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82 }
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83
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84 void close () {
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85 buffer.flush;
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86 buffer.close;
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87 }
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88
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89 private:
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90 scope BufferedOutput buffer;
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91 }
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92
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93 class MTBTagWriter : MTTagWriter
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94 {
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95 this (char[] path) {
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96 throw new MTNotImplementedException;
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97 }
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98
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99 void sectionTag (char[] section) {}
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100 void dataTag (char[] type, char[] id, char[] data) {}
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101 void close () {}
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102 }