78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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* Copyright 2002-2009, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _TRANSLATOR_H
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#define _TRANSLATOR_H
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#include <Archivable.h>
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#include <TranslationDefs.h>
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#include <TranslatorRoster.h>
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class BTranslator : public BArchivable {
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public:
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BTranslator();
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BTranslator* Acquire();
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BTranslator* Release();
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int32 ReferenceCount();
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virtual const char* TranslatorName() const = 0;
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virtual const char* TranslatorInfo() const = 0;
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virtual int32 TranslatorVersion() const = 0;
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virtual const translation_format* InputFormats(int32* _count) const = 0;
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virtual const translation_format* OutputFormats(int32* _count) const = 0;
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virtual status_t Identify(BPositionIO* source,
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const translation_format* format,
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BMessage* extension, translator_info* info,
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uint32 outType) = 0;
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virtual status_t Translate(BPositionIO* source,
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const translator_info* info,
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BMessage* extension, uint32 outType,
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BPositionIO* destination) = 0;
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virtual status_t MakeConfigurationView(BMessage* extension,
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BView** _view, BRect* _extent);
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virtual status_t GetConfigurationMessage(BMessage* extension);
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protected:
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virtual ~BTranslator();
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// this is protected because the object is deleted by the
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// Release() function instead of being deleted directly by
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// the user
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private:
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friend class BTranslatorRoster::Private;
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virtual status_t _Reserved_Translator_0(int32, void*);
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virtual status_t _Reserved_Translator_1(int32, void*);
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virtual status_t _Reserved_Translator_2(int32, void*);
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virtual status_t _Reserved_Translator_3(int32, void*);
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virtual status_t _Reserved_Translator_4(int32, void*);
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virtual status_t _Reserved_Translator_5(int32, void*);
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virtual status_t _Reserved_Translator_6(int32, void*);
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virtual status_t _Reserved_Translator_7(int32, void*);
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BTranslatorRoster::Private* fOwningRoster;
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translator_id fID;
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int32 fRefCount;
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uint32 _reserved[7];
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};
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// The post-4.5 API suggests implementing this function in your translator
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// add-on rather than the separate functions and variables of the previous
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// API. You will be called for values of n starting at 0 and increasing;
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// return 0 when you can't make another kind of translator (i.e. for n = 1
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// if you only implement one subclass of BTranslator). Ignore flags for now.
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extern "C" BTranslator* make_nth_translator(int32 n, image_id you,
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uint32 flags, ...);
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#endif // _TRANSLATOR_H
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