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#import "OFInitializationFailedException.h"
#import "OFLoadPluginFailedException.h"
typedef OFPlugin *(*init_plugin_t)(void);
OFPluginHandle
OFDlOpen(OFString *path, int flags)
OFDLOpen(OFString *path, OFDLOpenFlags 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)
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)
OFDLClose(OFPluginHandle handle)
{
#ifndef OF_WINDOWS
dlclose(handle);
#else
FreeLibrary(handle);
#endif
}
OFString *
OFDlError(void)
OFDLError(void)
{
#ifndef OF_WINDOWS
return [OFString stringWithCString: dlerror()
encoding: [OFLocale encoding]];
#else
return nil;
#endif
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#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)
if ((handle = OFDLOpen(path, OFDLOpenFlagLazy)) == NULL)
@throw [OFLoadPluginFailedException
exceptionWithPath: path
error: OFDlError()];
error: OFDLError()];
objc_autoreleasePoolPop(pool);
initPlugin = (init_plugin_t)(uintptr_t)OFDlSym(handle, "init_plugin");
initPlugin = (init_plugin_t)(uintptr_t)OFDLSym(handle, "init_plugin");
if (initPlugin == (init_plugin_t)0 || (plugin = initPlugin()) == nil) {
OFDlClose(handle);
OFDLClose(handle);
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
plugin->_pluginHandle = handle;
return plugin;
}
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- (void)dealloc
{
OFPluginHandle h = _pluginHandle;
[super dealloc];
OFDlClose(h);
OFDLClose(h);
}
@end
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