Java Code Examples for org.luaj.vm2.Varargs#optjstring()

public Varargs invoke(Varargs args) {
	String s = args.optjstring(1, "collect");
	if ( "collect".equals(s) ) {
		System.gc();
		return ZERO;
	} else if ( "count".equals(s) ) {
		Runtime rt = Runtime.getRuntime();
		long used = rt.totalMemory() - rt.freeMemory();
		return varargsOf(valueOf(used/1024.), valueOf(used%1024));
	} else if ( "step".equals(s) ) {
		System.gc();
		return LuaValue.TRUE;
	} else {
		argerror(1, "invalid option '" + s + "'");
	}
	return NIL;
}
 

public Varargs invoke(Varargs args) {
	int a=1;
	LuaThread t = args.isthread(a)? args.checkthread(a++): globals.running;
	LuaValue func    = args.optfunction(a++, null);
	String str       = args.optjstring(a++,"");
	int count        = args.optint(a++,0);
	boolean call=false,line=false,rtrn=false;
	for ( int i=0; i<str.length(); i++ )
		switch ( str.charAt(i) ) {
			case 'c': call=true; break;
			case 'l': line=true; break;
			case 'r': rtrn=true; break;
		}
	LuaThread.State s = t.state;
	s.hookfunc = func;
	s.hookcall = call;
	s.hookline = line;
	s.hookcount = count;
	s.hookrtrn = rtrn;
	return NONE;
}
 

public Varargs invoke(Varargs args) {
    String s = args.optjstring(1, "collect");
    if ("collect".equals(s)) {
        System.gc();
        return ZERO;
    } else if ("count".equals(s)) {
        Runtime rt = Runtime.getRuntime();
        long used = rt.totalMemory() - rt.freeMemory();
        return varargsOf(valueOf(used / 1024.), valueOf(used % 1024));
    } else if ("step".equals(s)) {
        System.gc();
        return LuaValue.TRUE;
    } else {
        this.argerror("gc op");
    }
    return NIL;
}
 

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 ? Base64.decode(data.bytes(), Base64.NO_WRAP) : null);
    }
    return view;
}
 

public Varargs invoke(Varargs args) {
	int a=1;
	LuaThread thread = args.isthread(a)? args.checkthread(a++): globals.running; 
	String message = args.optjstring(a++, null);
	int level = args.optint(a++,1);
	String tb = callstack(thread).traceback(level);
	return valueOf(message!=null? message+"\n"+tb: tb);
}
 

public Varargs invoke(Varargs args) {
	int a=1;
	LuaThread thread = args.isthread(a)? args.checkthread(a++): globals.running;
	String message = args.optjstring(a++, null);
	int level = args.optint(a++,1);
	String tb = callstack(thread).traceback(level);
	return valueOf(message!=null? message+"\n"+tb: tb);
}
 

public Varargs invoke(Varargs args) {
    LuaValue ld = args.arg1();
    args.argcheck(ld.isstring() || ld.isfunction(), 1, "ld must be string or function");
    String source = args.optjstring(2, ld.isstring() ? ld.tojstring() : "=(load)");
    String mode = args.optjstring(3, "bt");
    LuaValue env = args.optvalue(4, globals);
    return loadStream(ld.isstring() ? ld.strvalue().toInputStream() : new
            StringInputStream(ld.checkfunction()), source, mode, env);
}
 

public Varargs invoke(Varargs args) {
    int a = 1;
    LuaThread thread = args.isthread(a) ? args.checkthread(a++) : globals.running;
    String message = args.optjstring(a++, null);
    int level = args.optint(a++, 1);
    String tb = callstack(thread).traceback(level);
    return valueOf(message != null ? message + "\n" + tb : tb);
}
 

public Varargs invoke(Varargs args) {
	String name = args.checkjstring(1);
	String path = args.checkjstring(2);
	String sep = args.optjstring(3, ".");
	String rep = args.optjstring(4, FILE_SEP);
	
	// check the path elements
	int e = -1;
	int n = path.length();
	StringBuffer sb = null;
	name = name.replace(sep.charAt(0), rep.charAt(0));
	while ( e < n ) {
		
		// find next template
		int b = e+1;
		e = path.indexOf(';',b);
		if ( e < 0 )
			e = path.length();
		String template = path.substring(b,e);
	
		// create filename
		int q = template.indexOf('?');
		String filename = template;
		if ( q >= 0 ) {
			filename = template.substring(0,q) + name + template.substring(q+1);
		}
		
		// try opening the file
		InputStream is = globals.finder.findResource(filename);
		if (is != null) {
			try { is.close(); } catch ( java.io.IOException ioe ) {}
			return valueOf(filename);
		}
		
		// report error
		if ( sb == null )
			sb = new StringBuffer();
		sb.append( "\n\t"+filename );
	}
	return varargsOf(NIL, valueOf(sb.toString()));
}
 

public Varargs _io_lines(Varargs args) {
	String filename = args.optjstring(1, null);
	File infile = filename==null? input(): ioopenfile(FTYPE_NAMED, filename,"r");
	checkopen(infile);
	return lines(infile, filename != null, args.subargs(2));
}
 

public LuaValue setScaleType(U view, Varargs varargs) {
    final String scaleTypeName = varargs.optjstring(2, ImageView.ScaleType.FIT_XY.name());//默认FIT_XY
    final ImageView.ScaleType scaleType = UDImageScaleType.parse(scaleTypeName);
    return view.setScaleType(scaleType);
}
 

public LuaValue setFontName(U view, Varargs varargs) {
    final String fontName = varargs.optjstring(2, null);
    return view.setFont(fontName);
}
 

public LuaValue setEllipsize(U view, Varargs varargs) {
    //TODO 这里需要统一
    final String ellipsizeName = varargs.optjstring(2, TextUtils.TruncateAt.END.name());
    final TextUtils.TruncateAt ellipsize = UDEllipsize.parse(ellipsizeName);
    return view.setEllipsize(ellipsize);
}
 

public void svga(final Varargs varargs) {
    if (varargs.isstring(2)) {
        final String url = varargs.optjstring(2, null);
        mReadyToPlay = varargs.optfunction(3, null);
        if (iSvgaImageView == null) {
            return;
        }
        iSvgaImageView.parse(url, new ISvgaParseCompletion() {
            @Override
            public void onComplete(Object videoItem) {
                try {
                    Class videoItemClass = videoItem.getClass();
                    Field fpsField = videoItemClass.getDeclaredField("FPS");
                    Field framesField = videoItemClass.getDeclaredField("frames");
                    if (fpsField != null) {
                        fps = fpsField.getInt(videoItem);
                        frames = framesField.getInt(videoItem);
                    }
                    if (mReadyToPlay != null) {
                        LuaUtil.callFunction(mReadyToPlay);
                    } else {
                        iSvgaImageView.startAnimation();
                    }
                } catch (Exception e) {
                    VenvyLog.e(VenvyLVSvgeImageView.class.getName(), e);
                }
            }

            @Override
            public void onError() {

            }
        });

        iSvgaImageView.setCallback(new SVGACallback() {
            @Override
            public void onPause() {
                LuaUtil.callFunction(mOnPause);
            }

            @Override
            public void onFinished() {
                LuaUtil.callFunction(mOnFinished);
            }

            @Override
            public void onRepeat() {
                LuaUtil.callFunction(mOnRepeat);
            }

            @Override
            public void onStep(int i, double v) {
                LuaUtil.callFunction(mOnStep, LuaValue.valueOf(i));
            }
        });

    }
}
 

public Varargs invoke(Varargs args) {
	int a=1;
	LuaThread thread = args.isthread(a)? args.checkthread(a++): globals.running; 
	LuaValue func = args.arg(a++);
	String what = args.optjstring(a++, "flnStu");
	DebugLib.CallStack callstack = callstack(thread);

	// find the stack info
	DebugLib.CallFrame frame;
	if ( func.isnumber() ) {
		frame = callstack.getCallFrame(func.toint());
		if (frame == null)
			return NONE;
		func = frame.f;
	} else if ( func.isfunction() ) {
		frame = callstack.findCallFrame(func);
	} else {
		return argerror(a-2, "function or level");
	}

	// start a table
	DebugInfo ar = callstack.auxgetinfo(what, (LuaFunction) func, frame);
	LuaTable info = new LuaTable();
	if (what.indexOf('S') >= 0) {
		info.set(WHAT, LUA);
		info.set(SOURCE, valueOf(ar.source));
		info.set(SHORT_SRC, valueOf(ar.short_src));
		info.set(LINEDEFINED, valueOf(ar.linedefined));
		info.set(LASTLINEDEFINED, valueOf(ar.lastlinedefined));
	}
	if (what.indexOf('l') >= 0) {
		info.set( CURRENTLINE, valueOf(ar.currentline) );
	}
	if (what.indexOf('u') >= 0) {
		info.set(NUPS, valueOf(ar.nups));
		info.set(NPARAMS, valueOf(ar.nparams));
		info.set(ISVARARG, ar.isvararg? ONE: ZERO);
	}
	if (what.indexOf('n') >= 0) {
		info.set(NAME, LuaValue.valueOf(ar.name!=null? ar.name: "?"));
		info.set(NAMEWHAT, LuaValue.valueOf(ar.namewhat));
	}
	if (what.indexOf('t') >= 0) {
		info.set(ISTAILCALL, ZERO);
	}
	if (what.indexOf('L') >= 0) {
		LuaTable lines = new LuaTable();
		info.set(ACTIVELINES, lines);
		DebugLib.CallFrame cf;
		for (int l = 1; (cf=callstack.getCallFrame(l)) != null; ++l)
			if (cf.f == func)
				lines.insert(-1, valueOf(cf.currentline()));
	}
	if (what.indexOf('f') >= 0) {
		if (func != null)
			info.set( FUNC, func );
	}
	return info;
}
 

public Varargs invoke(Varargs args) {
    String name = args.checkjstring(1);
    String path = args.checkjstring(2);
    String sep = args.optjstring(3, ".");
    String rep = args.optjstring(4, FILE_SEP);

    // check the path elements
    int e = -1;
    int n = path.length();
    StringBuffer sb = null;
    name = name.replace(sep.charAt(0), rep.charAt(0));
    while (e < n) {

        // find next template
        int b = e + 1;
        e = path.indexOf(';', b);
        if (e < 0)
            e = path.length();
        String template = path.substring(b, e);

        // create filename
        int q = template.indexOf('?');
        String filename = template;
        if (q >= 0) {
            filename = template.substring(0, q) + name + template.substring(q + 1);
        }

        // try opening the file
        InputStream is = globals.getLuaResourceFinder().findResource(filename);//modify by song
        if (is != null) {
            try {
                is.close();
            } catch (java.io.IOException ioe) {
            }
            return valueOf(filename);
        }

        // report error
        if (sb == null)
            sb = new StringBuffer();
        sb.append("\n\t" + filename);
    }
    return varargsOf(NIL, valueOf(sb.toString()));
}
 

public Varargs invoke(Varargs args) {
	String name = args.checkjstring(1);
	String path = args.checkjstring(2);
	String sep = args.optjstring(3, ".");
	String rep = args.optjstring(4, FILE_SEP);
	
	// check the path elements
	int e = -1;
	int n = path.length();
	StringBuffer sb = null;
	name = name.replace(sep.charAt(0), rep.charAt(0));
	while ( e < n ) {
		
		// find next template
		int b = e+1;
		e = path.indexOf(';',b);
		if ( e < 0 )
			e = path.length();
		String template = path.substring(b,e);
	
		// create filename
		int q = template.indexOf('?');
		String filename = template;
		if ( q >= 0 ) {
			filename = template.substring(0,q) + name + template.substring(q+1);
		}
		
		// try opening the file
		InputStream is = globals.finder.findResource(filename);
		if (is != null) {
			try { is.close(); } catch ( java.io.IOException ioe ) {}
			return valueOf(filename);
		}
		
		// report error
		if ( sb == null )
			sb = new StringBuffer();
		sb.append( "\n\t"+filename );
	}
	return varargsOf(NIL, valueOf(sb.toString()));
}
 

public Varargs invoke(Varargs args) {
	int a=1;
	LuaThread thread = args.isthread(a)? args.checkthread(a++): globals.running; 
	LuaValue func = args.arg(a++);
	String what = args.optjstring(a++, "flnStu");
	DebugLib.CallStack callstack = callstack(thread);

	// find the stack info
	DebugLib.CallFrame frame;
	if ( func.isnumber() ) {
		frame = callstack.getCallFrame(func.toint());
		if (frame == null)
			return NONE;
		func = frame.f;
	} else if ( func.isfunction() ) {
		frame = callstack.findCallFrame(func);
	} else {
		return argerror(a-2, "function or level");
	}

	// start a table
	DebugInfo ar = callstack.auxgetinfo(what, (LuaFunction) func, frame);
	LuaTable info = new LuaTable();
	if (what.indexOf('S') >= 0) {
		info.set(WHAT, LUA);
		info.set(SOURCE, valueOf(ar.source));
		info.set(SHORT_SRC, valueOf(ar.short_src));
		info.set(LINEDEFINED, valueOf(ar.linedefined));
		info.set(LASTLINEDEFINED, valueOf(ar.lastlinedefined));
	}
	if (what.indexOf('l') >= 0) {
		info.set( CURRENTLINE, valueOf(ar.currentline) );
	}
	if (what.indexOf('u') >= 0) {
		info.set(NUPS, valueOf(ar.nups));
		info.set(NPARAMS, valueOf(ar.nparams));
		info.set(ISVARARG, ar.isvararg? ONE: ZERO);
	}
	if (what.indexOf('n') >= 0) {
		info.set(NAME, LuaValue.valueOf(ar.name!=null? ar.name: "?"));
		info.set(NAMEWHAT, LuaValue.valueOf(ar.namewhat));
	}
	if (what.indexOf('t') >= 0) {
		info.set(ISTAILCALL, ZERO);
	}
	if (what.indexOf('L') >= 0) {
		LuaTable lines = new LuaTable();
		info.set(ACTIVELINES, lines);
		DebugLib.CallFrame cf;
		for (int l = 1; (cf=callstack.getCallFrame(l)) != null; ++l)
			if (cf.f == func)
				lines.insert(-1, valueOf(cf.currentline()));
	}
	if (what.indexOf('f') >= 0) {
		if (func != null)
			info.set( FUNC, func );
	}
	return info;
}
 

/**
 * 将二进制数据转成Json，使用给定的编码，默认utf-8
 *
 * @param data
 * @param varargs
 * @return
 */
public LuaValue toJson(U data, Varargs varargs) {
    final String encode = varargs.optjstring(2, UDData.DEFAULT_ENCODE);
    final String json = data.toJson(encode);
    return json != null ? valueOf(json) : NIL;
}
 

/**
 * 将二进制数据转成table，使用给定的编码，默认utf-8
 *
 * @param data
 * @param varargs
 * @return
 */
public LuaValue toTable(U data, Varargs varargs) {
    final String encode = varargs.optjstring(2, UDData.DEFAULT_ENCODE);
    return data.toTable(encode);
}