AWEPluginLoader.h

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/*******************************************************************************
*
*       AudioWeaver Plugins
*       -------------------
*
********************************************************************************
*       AWEPluginLoader.h
********************************************************************************
*
*       Description:    API used to load plugin libraries.
*
*       Copyright:      (c) 2025 DSP Concepts, Inc. All rights reserved.
*                       3235 Kifer Road
*                       Santa Clara, CA 95054
*
*******************************************************************************/
 
#ifndef AWE_PLUGIN_LOADER_H
#define AWE_PLUGIN_LOADER_H
 
#include "AWEPluginTypes.h"
 
#include <stdarg.h>
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
 
typedef struct _awe_PluginLoaderMethods
{
    void* (*malloc)(size_t size); 
    void* (*realloc)(void* ptr, size_t size); 
    void (*free)(void* ptr); 
    void* (*open)(const char* file); 
    void (*close)(void* handle); 
    void* (*sym)(void* handle, const char* name); 
    void (*vlog)(int32_t level, uint32_t type, const char* fmt, va_list args); 
} awe_PluginLoaderMethods;
 
enum awe_PluginLoader_Status
{
    AWE_PLUGIN_LOADER_SUCCESS = 0, 
    AWE_PLUGIN_LOADER_UNINITIALIZED = -1, 
    AWE_PLUGIN_LOADER_ALREADY_INITIALIZED = -2, 
    AWE_PLUGIN_LOADER_MISSING_METHOD = -3, 
    AWE_PLUGIN_LOADER_ALLOCATION_FAILED = -4, 
    AWE_PLUGIN_LOADER_INVALID_INDEX = -5, 
    AWE_PLUGIN_LOADER_DL_OPEN_FAILED = -6, 
    AWE_PLUGIN_LOADER_DL_SYMBOL_NOT_FOUND = -7, 
    AWE_PLUGIN_LOADER_DL_INTERNAL_FAILURE = -8, 
};
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
enum awe_PluginLoader_Status awe_PluginLoader_init(size_t reserved_count);
 
enum awe_PluginLoader_Status awe_PluginLoader_initWithMethods(size_t reserved_count, const awe_PluginLoaderMethods* const overrides);
 
enum awe_PluginLoader_Status awe_PluginLoader_load(const AWEPlugin** plugin, const char* file);
 
enum awe_PluginLoader_Status awe_PluginLoader_unload(const char* file);
 
enum awe_PluginLoader_Status awe_PluginLoader_loadWithNamespacePrefix(const AWEPlugin** plugin, const char* file, const char* prefix);
 
enum awe_PluginLoader_Status awe_PluginLoader_loadWithEntrypoint(const AWEPlugin** plugin, const char* file, const char* entrypoint);
 
size_t awe_PluginLoader_count();
 
enum awe_PluginLoader_Status awe_PluginLoader_get(const AWEPlugin** plugin, size_t index);
 
enum awe_PluginLoader_Status awe_PluginLoader_find(const AWEPlugin** plugin, const char* file);
 
 
void awe_PluginLoader_free();
 
const char* awe_PluginLoader_statusToString(const enum awe_PluginLoader_Status status);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* AWE_PLUGIN_LOADER_H */