// NSIS Shell Folder Plugin
//
// Douglas Thrift
//
// $Id$

#include <Windows.h>
#include <ShlObj.h>
#include <nsis/pluginapi.h>

extern "C" void __declspec(dllexport) GetFolderPath(HWND parent, int string_size, char *variables, stack_t **stacktop, extra_parameters *extra)
{
	EXDLL_INIT();

	int folder(::popint_or());
	unsigned long flags(::popint_or());
	char path[MAX_PATH];
	long code(::SHGetFolderPath(parent, folder, NULL, flags, path));

	if (SUCCEEDED(code))
		::pushstring(path);
	else
		switch (code)
		{
		case S_FALSE:
		case E_FAIL:
			::pushstring("Folder does not exist.");
			break;
		case E_INVALIDARG:
			::pushstring("Invalid arguments.");
			break;
		default:
			::pushstring("Unknown error.");
		}

	::pushint(code);
}