clapscan.cpp

struct ClapManufacturingInfo
{
    ClapManufacturingInfo() {}
    ClapManufacturingInfo(int index, juce::String fn, const clap_plugin_descriptor_t* desc) 
        : filename(fn), subpluginindex(index) 
    {
        manufacturer = desc->vendor;
        name = desc->name;
        auto ptr = desc->features;
        while (ptr)
        {
            features.add(*ptr);
            if (*ptr==nullptr)
                break;
            ++ptr;
        }
    }
    juce::String filename;
    juce::String manufacturer;
    juce::String name;
    int subpluginindex = 0;
    juce::StringArray features;
};

std::vector<ClapManufacturingInfo> ClapProcessor::getAvailablePlugins()
{
    std::vector<ClapManufacturingInfo> result;
#if JUCE_WINDOWS
    // gotta figure out a more general way to get this path...
    juce::File clapdir("C:\\Program Files\\Common Files\\CLAP");
#else
    juce::File clapdir("/Library/Audio/Plug-Ins/CLAP");
#endif
    juce::RangedDirectoryIterator iter(clapdir,true,"*.clap",juce::File::TypesOfFileToFind::findFilesAndDirectories);
    for (auto& iterentry : iter)
    {
        std::cout << "trying to open " << iterentry.getFile().getFullPathName() << "...";
        juce::DynamicLibrary dll;
        juce::String clapfilename = iterentry.getFile().getFullPathName();
#if JUCE_MAC
        clapfilename += "/Contents/MacOS/"+iterentry.getFile().getFileNameWithoutExtension();
#endif
        if (dll.open(clapfilename))
        {
            std::cout << "OK\n";
            clap_plugin_entry_t* entry = (clap_plugin_entry_t*)dll.getFunction("clap_entry");
            if (entry)
            {   
                entry->init(clapfilename.getCharPointer());
                auto fac = (clap_plugin_factory_t *)entry->get_factory(CLAP_PLUGIN_FACTORY_ID);
                auto plugin_count = fac->get_plugin_count(fac);
                if (plugin_count<=0)
                {
                    std::cout << "no plugins to manufacture from " << clapfilename << "\n";
                } else
                {
                    for (int i=0;i<plugin_count;++i)
                    {
                        auto desc = fac->get_plugin_descriptor(fac, i);
                        if (desc)
                        {
                            //std::cout << "can manufacture " << desc->name << "\n";
                            result.emplace_back(i,clapfilename,desc);
                        }
                    }
                }
                entry->deinit();
            }
        } else
        {
            std::cout << clapfilename << " FAILED!\n";
        } 

    }
    return result;
}