Java Varargs.isstring方法代码示例

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
public Varargs invoke(Varargs args) {
    LuaString name = args.checkstring(1);
    InputStream is = null;

    // get package path
    LuaValue path = package_.get(_PATH);
    if (!path.isstring())
        return valueOf("package.path is not a string");

    // get the searchpath function.
    Varargs v = package_.get(_SEARCHPATH).invoke(varargsOf(name, path));

    // Did we get a result?
    if (!v.isstring(1))
        return v.arg(2).tostring();
    LuaString filename = v.arg1().strvalue();

    // Try to load the file.
    v = globals.loadfile(filename.tojstring());
    if (v.arg1().isfunction())
        return LuaValue.varargsOf(v.arg1(), filename);

    // report error
    return varargsOf(NIL, valueOf("'" + filename + "': " + v.arg(2).tojstring()));
}
 

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
public Varargs invoke(Varargs args) {
	LuaString name = args.checkstring(1);
	InputStream is = null;
			
	// get package path
	LuaValue path = package_.get(_PATH);
	if ( ! path.isstring() ) 
		return valueOf("package.path is not a string");

	// get the searchpath function.
	Varargs v = package_.get(_SEARCHPATH).invoke(varargsOf(name, path));
	
	// Did we get a result?
	if (!v.isstring(1))
		return v.arg(2).tostring();
	LuaString filename = v.arg1().strvalue();

	// Try to load the file.
	v = globals.loadfile(filename.tojstring()); 
	if ( v.arg1().isfunction() )
		return LuaValue.varargsOf(v.arg1(), filename);
	
	// report error
	return varargsOf(NIL, valueOf("'"+filename+"': "+v.arg(2).tojstring()));
}
 

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
public Varargs invoke(Varargs args) {
    args.argcheck(args.isstring(1) || args.isnil(1), 1, "filename must be string or nil");
    String filename = args.isstring(1) ? args.tojstring(1) : null;
    Varargs v = filename == null ?
            loadStream(globals.STDIN, "=stdin", "bt", globals) :
            loadFile(args.checkjstring(1), "bt", globals);
    return v.isnil(1) ? error(v.tojstring(2)) : v.arg1().invoke();
}
 

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
public LuaValue setImage(U view, Varargs varargs) {
    if (varargs.isstring(2)) {
        final String url = varargs.optjstring(2, null);
        final LuaFunction callback = varargs.optfunction(3, null);
        return view.setImageUrl(url, callback);
    } else if (varargs.arg(2) instanceof UDData) {//data
        final UDData data = (UDData) varargs.arg(2);
        return view.setImageBytes(data != null ? data.bytes() : null);
    } else if (varargs.arg(2) instanceof UDBitmap){//bitmap
        final UDBitmap bitmap = (UDBitmap) varargs.arg(2);
        return view.setImageBitmap(bitmap);
    }
    return view;
}
 

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
public LuaValue call( LuaValue arg ) {
	LuaString name = arg.checkstring();
	LuaValue loaded = package_.get(_LOADED);
	LuaValue result = loaded.get(name);
	if ( result.toboolean() ) {
		if ( result == _SENTINEL )
			error("loop or previous error loading module '"+name+"'");
		return result;
	}
	
	/* else must load it; iterate over available loaders */
	LuaTable tbl = package_.get(_SEARCHERS).checktable();
	StringBuffer sb = new StringBuffer();
	Varargs loader = null;
	for ( int i=1; true; i++ ) {
		LuaValue searcher = tbl.get(i);
		if ( searcher.isnil() ) {
			error( "module '"+name+"' not found: "+name+sb );				
	    }
					
	    /* call loader with module name as argument */
		loader = searcher.invoke(name);
		if ( loader.isfunction(1) )
			break;
		if ( loader.isstring(1) )
			sb.append( loader.tojstring(1) );
	}
	
	// load the module using the loader
	loaded.set(name, _SENTINEL);
	result = loader.arg1().call(name, loader.arg(2));
	if ( ! result.isnil() )
		loaded.set( name, result );
	else if ( (result = loaded.get(name)) == _SENTINEL ) 
		loaded.set( name, result = LuaValue.TRUE );
	return result;
}
 

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
public Varargs invoke(Varargs args) {
    args.argcheck(args.isstring(1) || args.isnil(1), 1, "filename must be string or nil");
    String filename = args.isstring(1) ? args.tojstring(1) : null;
    Varargs v = filename == null ? loadStream(globals.STDIN, "=stdin", "bt", globals) :
            loadFile(args.checkjstring(1), "bt", globals);
    return v.isnil(1) ? error(v.tojstring(2)) : v.arg1().invoke();
}
 

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
@Override
public Varargs invoke(Varargs arguments) {
	BlocksItems.load();
	if (arguments.isstring(1)) {
		LuaUserdata u = blocksItems.blockUserdata.get(arguments.checkjstring(1));
		return u != null ? u : NIL;
	} else {
		return BlocksItems.blockTable;
	}
}
 

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
public Varargs invoke(Varargs args) {
	args.argcheck(args.isstring(1) || args.isnil(1), 1, "filename must be string or nil");
	String filename = args.isstring(1)? args.tojstring(1): null;
	Varargs v = filename == null? 
			loadStream( globals.STDIN, "=stdin", "bt", globals ):
			loadFile( args.checkjstring(1), "bt", globals );
	return v.isnil(1)? error(v.tojstring(2)): v.arg1().invoke();			
}
 

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
@Override
public Varargs invoke(Varargs args) {
  BlocksItems.load();
  if (args.isstring(1)) {
    LuaUserdata u = BlocksItems.blockUserdata.get(args.checkjstring(1));
    return u != null ? u : NIL;
  } else {
    return BlocksItems.blockTable;
  }
}
 

import org.luaj.vm2.Varargs; //导入方法依赖的package包/类
public LuaValue call(LuaValue arg) {
         LuaString name = arg.checkstring();
         LuaValue loaded = package_.get(_LOADED);
         LuaValue result = loaded.get(name);
         if (result.toboolean()) {
             if (result == _SENTINEL)
                 error("loop or previous error loading module '" + name + "'");
             return result;
         }/* else if (globals != null && (result = globals.lazyLoad(name.checkjstring())) != null){//TODO add by song, 如果是加载自定义的内容则使用globals加载
             loaded.set(name, _SENTINEL);
             return result;
         }*/

/* else must load it; iterate over available loaders */
         LuaTable tbl = package_.get(_SEARCHERS).checktable();
         StringBuffer sb = new StringBuffer();
         Varargs loader = null;
         for (int i = 1; true; i++) {
             LuaValue searcher = tbl.get(i);
             if (searcher.isnil()) {
                 error("module '" + name + "' not found: " + name + sb);
             }

    /* call loader with module name as argument */
             loader = searcher.invoke(name);
             if (loader.isfunction(1))
                 break;
             if (loader.isstring(1))
                 sb.append(loader.tojstring(1));
         }

         // load the module using the loader
         loaded.set(name, _SENTINEL);
         try {
             result = loader.arg1().call(name, loader.arg(2));
             if (!result.isnil())
                 loaded.set(name, result);
             else if ((result = loaded.get(name)) == _SENTINEL)
                 loaded.set(name, result = LuaValue.TRUE);

             return result;
         } catch (Exception e){
             LogUtil.e("[PackageLib]", name, "load failed!", e);
             return NIL;
         }
     }