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#import "OFSystemInfo.h"
#import "OFInitializationFailedException.h"
#import "OFLoadPluginFailedException.h"
typedef OFPlugin *(*init_plugin_t)(void);
of_plugin_handle_t
of_dlopen(OFString *path, int flags)
of_dlsym(of_plugin_handle_t handle, const char *symbol)
of_dlclose(of_plugin_handle_t handle)
of_dlerror(void)
of_plugin_handle_t handle;
init_plugin_t initPlugin;
OFPlugin *plugin;
#if defined(OF_MACOS)
path = [path stringByAppendingFormat: @".bundle/Contents/MacOS/%@",
path.lastPathComponent];
#elif defined(OF_IOS)
path = [path stringByAppendingFormat: @".bundle/%@",
path.lastPathComponent];
#else
path = [path stringByAppendingString: @PLUGIN_SUFFIX];
#endif
if ((handle = of_dlopen(path, OF_RTLD_LAZY)) == NULL)
@throw [OFLoadPluginFailedException
exceptionWithPath: path
error: of_dlerror()];
objc_autoreleasePoolPop(pool);
initPlugin = (init_plugin_t)(uintptr_t)of_dlsym(handle, "init_plugin");
if (initPlugin == (init_plugin_t)0 || (plugin = initPlugin()) == nil) {
of_dlclose(handle);
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
plugin->_pluginHandle = handle;
return plugin;
}
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#import "OFSystemInfo.h"
#import "OFInitializationFailedException.h"
#import "OFLoadPluginFailedException.h"
typedef OFPlugin *(*init_plugin_t)(void);
OFPluginHandle
OFDlopen(OFString *path, int flags)
{
#ifndef OF_WINDOWS
return dlopen([path cStringWithEncoding: [OFLocale encoding]], flags);
#else
if (path == nil)
return GetModuleHandle(NULL);
if ([OFSystemInfo isWindowsNT])
return LoadLibraryW(path.UTF16String);
else
return LoadLibraryA(
[path cStringWithEncoding: [OFLocale encoding]]);
#endif
}
void *
OFDlsym(OFPluginHandle handle, const char *symbol)
{
#ifndef OF_WINDOWS
return dlsym(handle, symbol);
#else
return (void *)(uintptr_t)GetProcAddress(handle, symbol);
#endif
}
void
OFDlclose(OFPluginHandle handle)
{
#ifndef OF_WINDOWS
dlclose(handle);
#else
FreeLibrary(handle);
#endif
}
OFString *
OFDlerror(void)
{
#ifndef OF_WINDOWS
return [OFString stringWithCString: dlerror()
encoding: [OFLocale encoding]];
#else
return nil;
#endif
}
@implementation OFPlugin
+ (id)pluginWithPath: (OFString *)path
{
void *pool = objc_autoreleasePoolPush();
OFPluginHandle handle;
init_plugin_t initPlugin;
OFPlugin *plugin;
#if defined(OF_MACOS)
path = [path stringByAppendingFormat: @".bundle/Contents/MacOS/%@",
path.lastPathComponent];
#elif defined(OF_IOS)
path = [path stringByAppendingFormat: @".bundle/%@",
path.lastPathComponent];
#else
path = [path stringByAppendingString: @PLUGIN_SUFFIX];
#endif
if ((handle = OFDlopen(path, OF_RTLD_LAZY)) == NULL)
@throw [OFLoadPluginFailedException
exceptionWithPath: path
error: OFDlerror()];
objc_autoreleasePoolPop(pool);
initPlugin = (init_plugin_t)(uintptr_t)OFDlsym(handle, "init_plugin");
if (initPlugin == (init_plugin_t)0 || (plugin = initPlugin()) == nil) {
OFDlclose(handle);
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
plugin->_pluginHandle = handle;
return plugin;
}
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}
return [super init];
}
- (void)dealloc
{
of_plugin_handle_t h = _pluginHandle;
[super dealloc];
of_dlclose(h);
}
@end
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}
return [super init];
}
- (void)dealloc
{
OFPluginHandle h = _pluginHandle;
[super dealloc];
OFDlclose(h);
}
@end
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