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annotate deps/Platinum/Source/Core/PltMetadataHandler.h @ 0:3425707ddbf6

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author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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1 /*****************************************************************
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2 |
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3 | Platinum - Metadata Handler
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4 |
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5 | Copyright (c) 2004-2008, Plutinosoft, LLC.
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6 | All rights reserved.
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7 | http://www.plutinosoft.com
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8 |
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9 | This program is free software; you can redistribute it and/or
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10 | modify it under the terms of the GNU General Public License
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11 | as published by the Free Software Foundation; either version 2
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12 | of the License, or (at your option) any later version.
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13 |
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14 | OEMs, ISVs, VARs and other distributors that combine and
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15 | distribute commercially licensed software with Platinum software
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16 | and do not wish to distribute the source code for the commercially
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17 | licensed software under version 2, or (at your option) any later
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18 | version, of the GNU General Public License (the "GPL") must enter
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19 | into a commercial license agreement with Plutinosoft, LLC.
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20 |
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21 | This program is distributed in the hope that it will be useful,
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22 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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24 | GNU General Public License for more details.
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25 |
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26 | You should have received a copy of the GNU General Public License
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27 | along with this program; see the file LICENSE.txt. If not, write to
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28 | the Free Software Foundation, Inc.,
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29 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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30 | http://www.gnu.org/licenses/gpl-2.0.html
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31 |
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32 ****************************************************************/
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33
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34 #ifndef _PLT_METADATA_HANDLER_H_
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35 #define _PLT_METADATA_HANDLER_H_
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36
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37 /*----------------------------------------------------------------------
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38 | includes
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39 +---------------------------------------------------------------------*/
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40 #include "Neptune.h"
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41
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42 /*----------------------------------------------------------------------
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43 | PLT_MetadataHandler class
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44 +---------------------------------------------------------------------*/
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45 class PLT_MetadataHandler
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46 {
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47 public:
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48 virtual ~PLT_MetadataHandler() {}
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49
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50 // metadata overridables
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51 virtual bool HandleExtension(const char* extension) = 0;
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52 virtual NPT_Result Load(NPT_InputStream& stream,
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53 NPT_TimeInterval sleeptime = NPT_TimeInterval(0, 10000),
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54 NPT_TimeInterval timeout = NPT_TimeInterval(30, 0)) = 0;
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55 virtual NPT_Result Save(NPT_OutputStream& stream,
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56 NPT_TimeInterval sleeptime = NPT_TimeInterval(0, 10000),
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57 NPT_TimeInterval timeout = NPT_TimeInterval(30, 0)) = 0;
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58
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59 virtual const char* GetLicenseData(NPT_String& licenseData) = 0;
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60 virtual NPT_Result GetCoverArtData(char*& caData, int& len) = 0;
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61 virtual const char* GetContentID(NPT_String& value) = 0;
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62 virtual const char* GetTitle(NPT_String& value) = 0;
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63 virtual const char* GetDescription(NPT_String& value) = 0;
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64 virtual NPT_Result GetDuration(NPT_UInt32& seconds) = 0;
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65 virtual const char* GetProtection(NPT_String& protection) = 0;
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66 virtual NPT_Result GetYear(NPT_Size& year) = 0;
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67
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68 // helper functions
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69 virtual NPT_Result LoadFile(const char* filename);
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70 virtual NPT_Result SaveFile(const char* filename);
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71 };
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72
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73 /*----------------------------------------------------------------------
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74 | PLT_MetadataHandlerFinder
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75 +---------------------------------------------------------------------*/
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76 class PLT_MetadataHandlerFinder
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77 {
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78 public:
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79 // methods
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80 PLT_MetadataHandlerFinder(const char* extension) : m_Extension(extension) {}
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81 bool operator()(PLT_MetadataHandler* const & handler) const {
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82 return handler->HandleExtension(m_Extension) ? true : false;
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83 }
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84
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85 private:
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86 // members
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87 NPT_String m_Extension;
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88 };
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89
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90 #endif /* _PLT_METADATA_HANDLER_H_ */