Function retrieveClassInfo

distrho/src/DistrhoPluginAU.cpp:2481–2642

    // ----------------------------------------------------------------------------------------------------------------

    CFMutableDictionaryRef retrieveClassInfo()
    {
        CFMutableDictionaryRef clsInfo = CFDictionaryCreateMutable(nullptr,
                                                                   0,
                                                                   &kCFTypeDictionaryKeyCallBacks,
                                                                   &kCFTypeDictionaryValueCallBacks);
        SInt32 value;

        value = 0;
        if (const CFNumberRef num = CFNumberCreate(nullptr, kCFNumberSInt32Type, &value))
        {
            CFDictionarySetValue(clsInfo, CFSTR(kAUPresetVersionKey), num);
            CFRelease(num);
        }

        value = kType;
        if (const CFNumberRef num = CFNumberCreate(nullptr, kCFNumberSInt32Type, &value))
        {
            CFDictionarySetValue(clsInfo, CFSTR(kAUPresetTypeKey), num);
            CFRelease(num);
        }

        value = kSubType;
        if (const CFNumberRef num = CFNumberCreate(nullptr, kCFNumberSInt32Type, &value))
        {
            CFDictionarySetValue(clsInfo, CFSTR(kAUPresetSubtypeKey), num);
            CFRelease(num);
        }

        value = kManufacturer;
        if (const CFNumberRef num = CFNumberCreate(nullptr, kCFNumberSInt32Type, &value))
        {
            CFDictionarySetValue(clsInfo, CFSTR(kAUPresetManufacturerKey), num);
            CFRelease(num);
        }

       #if DISTRHO_PLUGIN_WANT_PROGRAMS
        if (fCurrentProgram >= 0)
        {
            CFDictionarySetValue(clsInfo, CFSTR(kAUPresetNameKey), fFactoryPresetsData[fCurrentProgram].presetName);
        }
        else
       #endif
        {
            CFDictionarySetValue(clsInfo, CFSTR(kAUPresetNameKey), fUserPresetData.presetName);
        }

        if (const CFMutableDictionaryRef data = CFDictionaryCreateMutable(nullptr,
                                                                          0,
                                                                          &kCFTypeDictionaryKeyCallBacks,
                                                                          &kCFTypeDictionaryValueCallBacks))
        {
           #if DISTRHO_PLUGIN_WANT_PROGRAMS
            const SInt32 program = fCurrentProgram;
            if (const CFNumberRef programRef = CFNumberCreate(nullptr, kCFNumberSInt32Type, &program))
            {
               CFDictionarySetValue(data, CFSTR("program"), programRef);
               CFRelease(programRef);