Java Code Examples for org.luaj.vm2.Globals

/**
 * Create a standard set of globals for JSE including all the libraries.
 * 
 * @return Table of globals initialized with the standard JSE libraries
 * @see #debugGlobals()
 * @see org.luaj.vm2.lib.jse.JsePlatform
 * @see org.luaj.vm2.lib.jme.JmePlatform
 */
public static Globals standardGlobals() {
	Globals globals = new Globals();
	globals.load(new JseBaseLib());
	globals.load(new PackageLib());
	globals.load(new Bit32Lib());
	globals.load(new TableLib());
	globals.load(new JseStringLib());
	globals.load(new CoroutineLib());
	globals.load(new JseMathLib());
	globals.load(new JseIoLib());
	globals.load(new JseOsLib());
	globals.load(new LuajavaLib());
	LoadState.install(globals);
	LuaC.install(globals);
	return globals;
}
 

/**
 * Create a standard set of globals for JSE including all the libraries.
 * 
 * @return Table of globals initialized with the standard JSE libraries
 * @see #debugGlobals()
 * @see org.luaj.vm2.lib.jse.JsePlatform
 * @see org.luaj.vm2.lib.jme.JmePlatform
 */
public static Globals standardGlobals() {
	Globals globals = new Globals();
	globals.load(new JseBaseLib());
	globals.load(new PackageLib());
	globals.load(new Bit32Lib());
	globals.load(new TableLib());
	globals.load(new StringLib());
	globals.load(new CoroutineLib());
	globals.load(new JseMathLib());
	globals.load(new JseIoLib());
	globals.load(new JseOsLib());
	globals.load(new LuajavaLib());
	LoadState.install(globals);
	LuaC.install(globals);
	return globals;		
}
 

private Map getViewPriority(Globals globals) {
    try {
        ViewParent view = globals.container.getParent();
        if (view != null) {
            Field field = view.getClass().getDeclaredField("data");
            if (field != null && field.getAnnotation(VenvyAutoData.class) != null) {
                field.setAccessible(true);
                Object targetPriority = field.get(view);
                if (targetPriority != null && targetPriority instanceof Map) {
                    return (Map) targetPriority;
                }
            }
        }
    } catch (Exception e) {
        //忽略此处异常
    }
    return new HashMap();
}
 

/***
 * JS交互参数 获取开发者id
 * @param globals
 * @return
 */
private String getDeveloperUserId(Globals globals) {
    String developerUserId = null;
    Map<String, String> dataParams = getViewPriority(globals);
    if (dataParams.size() <= 0) {
        return developerUserId;
    }
    try {
        JSONObject dataObj = new JSONObject(dataParams.get("data"));
        JSONObject miniAppInfoObj = dataObj.optJSONObject("miniAppInfo");
        developerUserId = miniAppInfoObj != null ? miniAppInfoObj.optString("developerUserId") : "";
    } catch (Exception e) {
        e.printStackTrace();
    }
    return developerUserId;
}
 

public UDAlign(Globals globals, LuaValue metatable) {
    super(globals, metatable);
    set("LEFT", RelativeLayout.ALIGN_PARENT_LEFT);
    set("TOP", RelativeLayout.ALIGN_PARENT_TOP);
    set("RIGHT", RelativeLayout.ALIGN_PARENT_RIGHT);
    set("BOTTOM", RelativeLayout.ALIGN_PARENT_BOTTOM);
    set("CENTER", RelativeLayout.CENTER_IN_PARENT);
    set("H_CENTER", RelativeLayout.CENTER_HORIZONTAL);
    set("V_CENTER", RelativeLayout.CENTER_VERTICAL);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
        set("START", RelativeLayout.ALIGN_PARENT_START);
        set("END", RelativeLayout.ALIGN_PARENT_END);
    } else {
        set("START", RelativeLayout.ALIGN_PARENT_LEFT);
        set("END", RelativeLayout.ALIGN_PARENT_RIGHT);
    }
}
 

private LuaEngine() {
	globals = new Globals();
	globals.load(new JseBaseLib());
	globals.load(new PackageLib());
	globals.load(new Bit32Lib());
	globals.load(new TableLib());
	globals.load(new StringLib());
	globals.load(new CoroutineLib());
	globals.load(new JseMathLib());
	globals.load(new JseIoLib());
	globals.load(new JseOsLib());
	globals.load(new MultiDexLuajavaLib());
	LoadState.install(globals);
	LuaC.install(globals);

	globals.finder = this;
	globals.set("loadResource", new resLoader());
}
 

@Test
public void testLuaReturnString() {
    final Globals theGlobals = new Globals();
    LuaC.install(theGlobals);
    final LuaValue chunk = theGlobals.load("return 'hello, world'");
    final LuaString theResult = chunk.call().strvalue();
    Assert.assertEquals("hello, world", theResult.tojstring());
}
 

public static void main(String[] args) throws Exception {
	System.out.println(script);
	
	// create an environment to run in
	Globals globals = JsePlatform.standardGlobals();
	
	// compile into a chunk, or load as a class
	LuaValue chunk = globals.load(script, "script");
	
	// The loaded chunk should be a closure, which contains the prototype.
	print( chunk.checkclosure().p );

	// The chunk can be called with arguments as desired.
	chunk.call(LuaValue.ZERO, LuaValue.ONE);
}
 

private void init(Globals globals) {
    globals.saveContainer(mRecyclerView);
    this.addView(mRecyclerView, LuaViewUtil.createRelativeLayoutParamsMM());
    globals.restoreContainer();

    if (!globals.isRefreshContainerEnable) {
        this.setEnabled(false);
    } else {
        ((UDRefreshRecyclerView) getUserdata()).initPullRefresh();
    }
}
 

public void testLuaMainPassesArguments() {
	Globals globals = JsePlatform.standardGlobals();   
	LuaValue chunk = globals.load("return #arg, arg.n, arg[2], arg[1]");
	Varargs results = JsePlatform.luaMain(chunk, new String[] { "aaa", "bbb" });
	assertEquals(results.narg(), 4);
	assertEquals(results.arg(1), LuaValue.valueOf(2));
	assertEquals(results.arg(2), LuaValue.valueOf(2));
	assertEquals(results.arg(3), LuaValue.valueOf("bbb"));
	assertEquals(results.arg(4), LuaValue.valueOf("aaa"));
}
 

public LVCustomViewPagerIndicator(Globals globals, LuaValue metaTable, Varargs varargs) {
    super(globals.getContext());
    this.mInitParams = varargs != null ? varargs.arg1() : null;
    this.mLuaUserdata = new UDCustomViewPagerIndicator(this, globals, metaTable, this.mInitParams);
    this.mLayout = new IcsLinearLayout(globals.getContext(), R.attr.lv_vpiIconPageIndicatorStyle);
    this.setHorizontalScrollBarEnabled(false);
    super.addView(mLayout, LuaViewUtil.createRelativeLayoutParamsMM());
}
 

void init(Globals globals) {
    mAdapter = new LVRecyclerViewAdapter(globals, mLuaUserdata);
    this.setAdapter(mAdapter);
    mLayoutManager = new LVGridLayoutManager(this);
    this.setLayoutManager(mLayoutManager);
    mLuaUserdata.initOnScrollCallback(this);
    this.setHasFixedSize(true);
    initViewHolderPool();
}
 

void init(Globals globals) {
    this.setHorizontalScrollBarEnabled(false);//不显示滚动条
    this.setOverScrollMode(OVER_SCROLL_NEVER);
    mContainer = new LinearLayout(globals.getContext());
    mContainer.setOrientation(LinearLayout.HORIZONTAL);
    super.addView(mContainer, new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
}
 

@Test
public void testLuaRunner() {
    String luaScript = Utils.toString(new File("lua_test/test.lua"));
    Globals globals = JsePlatform.standardGlobals();
    LuaValue value = globals.load(luaScript);
    value.invoke();
}
 

public static void main( String[] args )
  {
String script = "print('hello, world', _VERSION)";

// create an environment to run in
Globals globals = JsePlatform.standardGlobals();

// Use the convenience function on the globals to load a chunk.
LuaValue chunk = globals.load(script, "maven-exmaple");

// Use any of the "call()" or "invoke()" functions directly on the chunk.
chunk.call();
  }
 

/**
 * 创建Globals
 * 根据是否用lua-to-java bytecode来处理（如果使用LuaJC的话则会使用库bcel 533k)
 *
 * @return
 */
public static Globals createGlobals() {
    if (sStaticGlobals != null) {
        synchronized (sStaticGlobals) {
            Globals result = sStaticGlobals;
            sStaticGlobals = null;
            return result;
        }
    } else {
        return setupGlobals(new Globals());
    }
}
 

@Test
public void testLuaReturnInteger() {
    final Globals theGlobals = new Globals();
    LuaC.install(theGlobals);
    final LuaValue chunk = theGlobals.load("return 123");
    final LuaString theResult = chunk.call().strvalue();
    Assert.assertEquals("123", theResult.tojstring());
}
 

public UDAnimator(Globals globals, LuaValue metaTable, Varargs varargs) {
    super(new ObjectAnimator(), globals, metaTable, varargs);
    ObjectAnimator animator = getAnimator();
    if (animator != null) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
            animator.setAutoCancel(true);
        }
    }
}
 

private void cacheObject() {
    Globals globals = getGlobals();
    LuaCache luaCache = globals != null ? globals.getLuaCache() : null;
    if (luaCache != null) {
        luaCache.cacheObject(getClass(), this);
    }
}
 

@Test
public void testLuaReturnIntegerAdd() {
    final Globals theGlobals = new Globals();
    LuaC.install(theGlobals);
    final LuaValue chunk = theGlobals.load("return 123 + 231");
    final LuaString theResult = chunk.call().strvalue();
    Assert.assertEquals("354", theResult.tojstring());
}
 

public UDSystem(Globals globals, LuaValue metatable) {
    super(globals, metatable);
    set("ios", new ios());//是否ios
    set("android", new android());//是否android
    set("sdkVersion", new sdkVersion());//LuaView版本
    set("osVersion", new osVersion());//系统版本
    set("platform", new platform());//平台信息
    set("scale", new scale());//屏幕分辨率
    set("device", new device());//设备信息
    set("screenSize", new screenSize());//屏幕尺寸
    set("gc", new gc());
    set("keepScreenOn", new keepScreenOn());
}
 

public void testDirectEvaluation() {
  	String script = "return math.pow(..., 3)";
Globals globals = JsePlatform.standardGlobals();
LuaValue chunk = globals.load(script, "cube");
      int result = chunk.call(LuaValue.valueOf(5)).toint();
      assertEquals(125, result);
  }
 

/**
 * Simple wrapper for invoking a lua function with command line arguments.
 * The supplied function is first given a new Globals object,
 * then the program is run with arguments.
 */
public static void luaMain(LuaValue mainChunk, String[] args) {
    Globals g = standardGlobals();
    int n = args.length;
    LuaValue[] vargs = new LuaValue[args.length];
    for (int i = 0; i < n; ++i)
        vargs[i] = LuaValue.valueOf(args[i]);
    LuaValue arg = LuaValue.listOf(vargs);
    arg.set("n", n);
    g.set("arg", arg);
    mainChunk.initupvalue1(g);
    mainChunk.invoke(LuaValue.varargsOf(vargs));
}
 

@Test
public void testLuaConversion() {
    final Globals theGlobals = new Globals();
    LuaC.install(theGlobals);
    theGlobals.set("key", 10);
    Assert.assertEquals(10, theGlobals.get("key").toint());
    Assert.assertEquals(10, theGlobals.get(LuaString.valueOf("key")).toint());

    final LuaValue chunk = theGlobals.load("return key").call();
    Assert.assertEquals(10, chunk.toint());
}
 

public UDTextView(T view, Globals globals, LuaValue metatable, Varargs initParams) {
    super(view, globals, metatable, initParams);
}
 

public VenvyUDMediaLifeCycle(Platform platform, VenvyLVMediaCallback view, Globals globals, LuaValue metatable, Varargs initParams) {
    super(view, globals, metatable, initParams);
    this.platform = platform;
}
 

private void init(Globals globals) {
    globals.saveContainer(this);
    initData(globals);
    globals.restoreContainer();
}
 

public LVViewGroup(Context context, Globals globals, LuaValue metaTable, Varargs varargs) {
    super(context);
    this.mLuaUserdata = createUserdata(globals, metaTable, varargs);
}
 

public LVRefreshListView(Globals globals, LuaValue metaTable, Varargs varargs) {
    super(globals.getContext());
    this.mListView = new LVListView(globals, metaTable, varargs, new UDRefreshListView(this, globals, metaTable, varargs));
    init(globals);
}
 

public UDInterpolator(Globals globals, LuaValue metatable) {
    super(globals, metatable);
    init();
}