text: /*
    ==============================================================================
  
     This file is part of the JUCE library - "Jules' Utility Class Extensions"
     Copyright 2004-11 by Raw Material Software Ltd.
  
    ------------------------------------------------------------------------------
  
     JUCE can be redistributed and/or modified under the terms of the GNU General
     Public License (Version 2), as published by the Free Software Foundation.
     A copy of the license is included in the JUCE distribution, or can be found
     online at www.gnu.org/licenses.
  
     JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  
    ------------------------------------------------------------------------------
  
     To release a closed-source product which uses JUCE, commercial licenses are
     available: visit www.rawmaterialsoftware.com/juce for more information.
  
    ==============================================================================
  */
  
  #ifndef __JUCE_AUDIOPLUGINFORMAT_JUCEHEADER__
  #define __JUCE_AUDIOPLUGINFORMAT_JUCEHEADER__
  
  #include "../processors/juce_AudioPluginInstance.h"
  class PluginDescription;
  
  
  //==============================================================================
  /**
      The base class for a type of plugin format, such as VST, AudioUnit, LADSPA, etc.
  
      Use the static getNumFormats() and getFormat() calls to find the types
      of format that are available.
  */
  class JUCE_API  AudioPluginFormat
  {
  public:
      //==============================================================================
      /** Destructor. */
      virtual ~AudioPluginFormat();
  
      //==============================================================================
      /** Returns the format name.
          E.g. "VST", "AudioUnit", etc.
      */
      virtual String getName() const = 0;
  
      /** This tries to create descriptions for all the plugin types available in
          a binary module file.
  
          The file will be some kind of DLL or bundle.
  
          Normally there will only be one type returned, but some plugins
          (e.g. VST shells) can use a single DLL to create a set of different plugin
          subtypes, so in that case, each subtype is returned as a separate object.
      */
      virtual void findAllTypesForFile (OwnedArray <PluginDescription>& results,
                                        const String& fileOrIdentifier) = 0;
  
      /** Tries to recreate a type from a previously generated PluginDescription.
          @see PluginDescription::createInstance
      */
      virtual AudioPluginInstance* createInstanceFromDescription (const PluginDescription& desc) = 0;
  
      /** Should do a quick check to see if this file or directory might be a plugin of
          this format.
  
          This is for searching for potential files, so it shouldn't actually try to
          load the plugin or do anything time-consuming.
      */
      virtual bool fileMightContainThisPluginType (const String& fileOrIdentifier) = 0;
  
      /** Returns a readable version of the name of the plugin that this identifier refers to. */
      virtual String getNameOfPluginFromIdentifier (const String& fileOrIdentifier) = 0;
  
      /** Checks whether this plugin could possibly be loaded.
          It doesn't actually need to load it, just to check whether the file or component
          still exists.
      */
      virtual bool doesPluginStillExist (const PluginDescription& desc) = 0;
  
      /** Returns true if this format needs to run a scan to find its list of plugins. */
      virtual bool canScanForPlugins() const = 0;
  
      /** Searches a suggested set of directories for any plugins in this format.
          The path might be ignored, e.g. by AUs, which are found by the OS rather
          than manually.
      */
      virtual StringArray searchPathsForPlugins (const FileSearchPath& directoriesToSearch,
                                                 bool recursive) = 0;
  
      /** Returns the typical places to look for this kind of plugin.
  
          Note that if this returns no paths, it means that the format doesn't search in
          files or folders, e.g. AudioUnits.
      */
      virtual FileSearchPath getDefaultLocationsToSearch() = 0;
  
  protected:
      //==============================================================================
      AudioPluginFormat() noexcept;
  
      JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioPluginFormat)
  };
  
  
  #endif   // __JUCE_AUDIOPLUGINFORMAT_JUCEHEADER__
  