clite.libs.data = function() {

clite.libs.load('libcurses','curses',function(io,env) {

return Object.create({

	isinit:false,
	types:{
		A_NULL:0,
		A_BOLD:1,
	},
	attmap:function(t) {
		switch (t) {
		case this.types.A_BOLD:
			return 'bold';
			break;
		}
		return null;
	},

	initscr:function() {
		// curses only works on a tty
		if (!clite.io.isatty(io.pid,io.stdin))
			return false;
		this.isinit = clite.term.ttyctrl('alt',true);
	},

	endwin:function() {
		if (!this.isinit)
			return;
		clite.term.ttyctrl('rawin',false);
		clite.term.ttyctrl('rawout',false);
		clite.term.ttyctrl('echo',true);
		clite.term.ttyctrl('iset','');
		this.isinit = clite.term.ttyctrl('alt',false);
	},

	cbreak:function() {
		if (!this.isinit)
			return;
		clite.term.ttyctrl('rawin',true);
	},
	nocbreak:function() {
		if (!this.isinit)
			return;
		clite.term.ttyctrl('rawin',false);
	},

	raw:function() {
		if (!this.isinit)
			return;
		clite.term.ttyctrl('rawin',true);
	},
	noraw:function() {
		if (!this.isinit)
			return;
		clite.term.ttyctrl('rawin',false);
	},

	clear:function() {
		if (!this.isinit)
			return;
		clite.term.clear();
	},

	echo:function() {
		if (!this.isinit)
			return;
		clite.term.ttyctrl('echo',true);
	},
	noecho:function() {
		if (!this.isinit)
			return;
		clite.term.ttyctrl('echo',false);
	},

	printw:function(fmt) {
		if (!this.isinit)
			return;
		var args = Array.from(arguments);
		args.shift();
		clite.io.vfprintf(io.pid,io.stdout,fmt,args);
	},

	getch:function(cb) {
		if (!this.isinit)
			return false;
		return clite.io.read(io.pid,io.stdin,cb);
	},

	refresh:function() {
		// no op, drawing isn't queued
	},

	attron:function(a) {
		if (!this.isinit)
			return;
		a = this.attmap(a);
		clite.term.ttyctrl('atton',a);
	},
	attroff:function(a) {
		if (!this.isinit)
			return;
		a = this.attmap(a);
		clite.term.ttyctrl('attoff',a);
	},

	getmaxx:function() {
		if (!this.isinit)
			return 0;
		return clite.term.data.alt.cols;
	},
	getmaxy:function() {
		if (!this.isinit)
			return 0;
		return clite.term.data.alt.lines;
	},
	getmaxyx:function(ptry,ptrx) {
		if (!this.isinit)
			return false;
		ptrx.value = clite.term.data.alt.cols;
		ptry.value = clite.term.data.alt.lines;
		return true;
	}


});

});

};