476 lines
12 KiB
JavaScript
476 lines
12 KiB
JavaScript
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'use strict';
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/** @module lib/mscript */
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let fs;
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let input;
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/** object mscript */
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const mscript = {};
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/**
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* Check for the presence of specific arguments in process
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* argv
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*
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* @param {string} shrt Short version of argument or flag
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* @param {string} lng Long version of argument or flag
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*
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* @return {boolean} Is flag present
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*/
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mscript.arg = function arg (shrt, lng) {
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if (process.argv.indexOf(shrt) !== -1 ||
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process.argv.indexOf(lng) !== -1) {
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return true;
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}
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return false;
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};
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/**
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* Check for the position of specific arguments in process
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* argv
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*
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* @param {string} shrt Short version of argument or flag
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* @param {string} lng Long version of argument or flag
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*
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* @return {boolean} Position of arg or flag, for locating input
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*/
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mscript.arg_pos = function arg_pos (shrt, lng) {
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var pos = -1;
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pos = process.argv.indexOf(shrt);
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if (pos === -1) {
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pos = process.argv.indexOf(lng);
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}
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return pos;
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};
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mscript.black = '0,0,0';
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mscript.cmd = [
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'CF',
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'PF',
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'BF',
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'CB',
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'PB',
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'BB'
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];
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mscript.alts = {
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'CF' : ['CAMERA FORWARD', 'CAM FORWARD'],
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'PF' : ['PROJECTOR FORWARD', 'PROJ FORWARD'],
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'BF' : ['BLACK FORWARD', 'BLACK', 'BLANK FORWARD', 'BLANK'],
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'CB' : ['CAMERA BACKWARD', 'CAM BACKWARD', 'CAMERA BACK', 'CAM BACK'],
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'PB' : ['PROJECTOR FORWARD', 'PROJ FORWARD', 'PROJECTOR BACK', 'PROJ BACK'],
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'BB' : ['BLACK BACKWARD', 'BLACK BACK', 'BLANK BACK'],
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'L ' : ['LIGHT', 'COLOR', 'LAMP'],
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'F ' : ['FADE']
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};
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mscript.state = {};
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/**
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* Clear the state object
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*/
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mscript.state_clear = function state_clear () {
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mscript.state = {
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cam : 0,
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proj : 0,
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color : '',
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loops : [],
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rec : -1
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};
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};
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/**
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* This is never used and doesn't do anything?
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*/
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mscript.alts_unique = function alts_unique () {
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var ids = Object.keys(mscript.alts),
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all = [];
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for (var i = 0; i < ids.length; i++) {
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if (all.indexOf(ids[i]) === -1) {
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all.push(ids[i]);
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} else {
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mscript.fail("Can't compile");
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}
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}
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};
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/**
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*
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*/
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mscript.interpret = function interpret (text, callback) {
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mscript.state_clear();
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if (typeof text === 'undefined') {
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mscript.fail('No input');
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}
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var lines = text.split('\n'),
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two = '',
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arr = [],
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light = [],
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target = 0,
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dist = 0, //?
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output = {};
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for (var i = 0; i < lines.length; i++) {
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lines[i] = lines[i].replace(/\t+/g, ""); //strip tabs
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lines[i] = lines[i].trim(); //remove excess whitespace before and after command
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two = lines[i].substring(0, 2);
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if (mscript.cmd.indexOf(two) !== -1) {
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if (mscript.state.loops.length > 0) {
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//hold generated arr in state loop array
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mscript.state.loops[mscript.state.rec].arr
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.push.apply(mscript.state.loops[mscript.state.rec].arr,
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mscript.str_to_arr(lines[i],
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two));
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mscript.state.loops[mscript.state.rec].light
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.push.apply(mscript.state.loops[mscript.state.rec].light,
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mscript.light_to_arr(lines[i],
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two));
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} else {
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arr.push.apply(arr, mscript.str_to_arr(lines[i], two));
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light.push.apply(light, mscript.light_to_arr(lines[i], two))
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}
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} else if (lines[i].substring(0, 4) === 'LOOP') {
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mscript.state.rec++;
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mscript.state.loops[mscript.state.rec] = {
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arr : [],
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light : [],
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cam : 0,
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proj : 0,
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cmd : lines[i] + ''
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};
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} else if (lines[i].substring(0, 2) === 'L ') {
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mscript.light_state(lines[i]);
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} else if (lines[i].substring(0, 3) === 'END') {
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for (var x = 0; x < mscript.loop_count(mscript.state.loops[mscript.state.rec].cmd); x++) {
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if (mscript.state.rec === 0) {
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arr.push.apply(arr, mscript.state.loops[mscript.state.rec].arr);
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light.push.apply(light, mscript.state.loops[mscript.state.rec].light);
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} else if (mscript.state.rec >= 1) {
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mscript.state.loops[mscript.state.rec - 1].arr
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.push.apply(mscript.state.loops[mscript.state.rec - 1].arr,
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mscript.state.loops[mscript.state.rec].arr);
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mscript.state.loops[mscript.state.rec - 1].light
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.push.apply(mscript.state.loops[mscript.state.rec - 1].light,
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mscript.state.loops[mscript.state.rec].light);
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}
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}
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mscript.state_update('END', mscript.loop_count(mscript.state.loops[mscript.state.rec].cmd));
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delete mscript.state.loops[mscript.state.rec];
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mscript.state.rec--;
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} else if (lines[i].substring(0, 3) === 'CAM') { //directly go to that frame (black?)
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target = parseInt(lines[i].split('CAM ')[1]);
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if (mscript.state.loops.length > 0) {
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if (target > mscript.state.cam) {
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dist = target - mscript.state.cam;
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for (var x = 0; x < dist; x++) {
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mscript.state.loops[mscript.state.rec].arr.push('BF');
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mscript.state.loops[mscript.state.rec].light.push(mscript.black);
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mscript.state_update('BF');
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}
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} else {
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dist = mscript.state.cam - target;
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for (var x = 0; x < dist; x++) {
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mscript.state.loops[mscript.state.rec].arr.push('BB');
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mscript.state.loops[mscript.state.rec].light.push(mscript.black);
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mscript.state_update('BB');
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}
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}
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} else {
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if (target > mscript.state.cam) {
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dist = target - mscript.state.cam;
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for (var x = 0; x < dist; x++) {
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arr.push('BF');
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light.push(mscript.black);
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mscript.state_update('BF');
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}
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} else {
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dist = mscript.state.cam - target;
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for (var x = 0; x < dist; x++) {
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arr.push('BB');
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light.push(mscript.black);
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mscript.state_update('BB');
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}
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}
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}
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} else if (lines[i].substring(0, 4) === 'PROJ') { //directly go to that frame
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target = parseInt(lines[i].split('PROJ ')[1]);
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if (mscript.state.loops.length > 0) {
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if (target > mscript.state.proj) {
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dist = target - mscript.state.proj;
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for (var x = 0; x < dist; x++) {
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mscript.state.loops[mscript.state.rec].arr.push('PF');
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mscript.state.loops[mscript.state.rec].light.push('');
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mscript.state_update('PF');
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}
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} else {
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dist = mscript.state.proj - target;
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for (var x = 0; x < dist; x++) {
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mscript.state.loops[mscript.state.rec].arr.push('PB');
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mscript.state.loops[mscript.state.rec].light.push('');
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mscript.state_update('PB');
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}
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}
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} else {
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if (target > mscript.state.proj) {
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dist = target - mscript.state.proj;
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for (var x = 0; x < dist; x++) {
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arr.push('PF');
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light.push('');
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mscript.state_update('PF');
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}
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} else {
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dist = mscript.state.proj - target;
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for (var x = 0; x < dist; x++) {
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arr.push('PB');
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light.push('');
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mscript.state_update('PB');
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}
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}
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}
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} else if (lines[i].substring(0, 3) === 'SET') { //set that state
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if (lines[i].substring(0, 7) === 'SET CAM') {
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mscript.state.cam = parseInt(lines[i].split('SET CAM')[1]);
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} else if (lines[i].substring(0, 8) === 'SET PROJ') {
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mscript.state.proj = parseInt(lines[i].split('SET PROJ')[1]);
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}
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} else if (lines[i].substring(0, 1) === '#' || lines[i].substring(0, 2) === '//') {
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//comments
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//ignore while parsing
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}
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}
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output.success = true;
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output.arr = arr;
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output.light = light;
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output.cam = mscript.state.cam;
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output.proj = mscript.state.proj;
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if (typeof callback !== 'undefined') {
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//should only be invoked by running mscript.tests()
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callback(output);
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} else {
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return mscript.output(output);
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}
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};
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/**
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*
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*/
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mscript.last_loop = function last_loop () {
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return mscript.state.loops[mscript.state.loops.length - 1];
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};
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/**
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*
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*/
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mscript.parent_loop = function parent_loop () {
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return mscript.state.loops[mscript.state.loops.length - 2];
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};
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/**
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*
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*/
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mscript.state_update = function state_update (cmd, val) {
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if (cmd === 'END') {
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for (var i = 0; i < val; i++) {
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if (mscript.state.rec === 0) {
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mscript.state.cam += mscript.state.loops[mscript.state.rec].cam;
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mscript.state.proj += mscript.state.loops[mscript.state.rec].proj;
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} else if (mscript.state.rec >= 1) {
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mscript.state.loops[mscript.state.rec - 1].cam += mscript.state.loops[mscript.state.rec].cam;
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mscript.state.loops[mscript.state.rec - 1].proj += mscript.state.loops[mscript.state.rec].proj;
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}
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}
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} else if (cmd === 'CF') {
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if (mscript.state.loops.length < 1) {
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mscript.state.cam++;
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} else {
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mscript.state.loops[mscript.state.rec].cam++;
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}
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} else if (cmd === 'CB') {
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if (mscript.state.loops.length < 1) {
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mscript.state.cam--;
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} else {
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mscript.state.loops[mscript.state.rec].cam--;
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}
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} else if (cmd === 'PF') {
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if (mscript.state.loops.length < 1) {
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mscript.state.proj++;
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} else {
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mscript.state.loops[mscript.state.rec].proj++;
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}
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} else if (cmd === 'PB') {
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if (mscript.state.loops.length < 1) {
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mscript.state.proj--;
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} else {
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mscript.state.loops[mscript.state.rec].proj--;
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}
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} else if (cmd === 'BF') {
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if (mscript.state.loops.length < 1) {
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mscript.state.cam++;
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} else {
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mscript.state.loops[mscript.state.rec].cam++;
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}
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} else if (cmd === 'BB') {
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if (mscript.state.loops.length < 1) {
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mscript.state.cam--;
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} else {
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mscript.state.loops[mscript.state.rec].cam++;
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}
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} else if (cmd === 'L ') {
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}
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};
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/**
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*
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*/
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mscript.str_to_arr = function str_to_arr (str, cmd) {
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var cnt = str.split(cmd),
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c = parseInt(cnt[1]),
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arr = [];
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if (cnt[1] === '') {
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c = 1;
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} else {
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c = parseInt(cnt[1]);
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}
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for (var i = 0; i < c; i++) {
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arr.push(cmd);
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mscript.state_update(cmd);
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}
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return arr;
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};
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/**
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*
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*/
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mscript.light_state = function light_state (str) {
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//add parsers for other color spaces
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var color = str.replace('L ', '').trim();
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mscript.state.color = color;
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};
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/**
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*
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*/
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mscript.light_to_arr = function light_to_arr (str, cmd) {
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var cnt = str.split(cmd),
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c = parseInt(cnt[1]),
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arr = [];
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if (cnt[1] === '') {
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c = 1;
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} else {
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c = parseInt(cnt[1]);
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}
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for (var i = 0; i < c; i++) {
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if (cmd === 'CF'
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|| cmd === 'CB') {
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arr.push(mscript.state.color);
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} else if (cmd === 'BF'
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|| cmd === 'BB') {
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arr.push(mscript.black);
|
||
|
|
} else {
|
||
|
|
arr.push('');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return arr;
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
mscript.loop_count = function loop_count (str) {
|
||
|
|
return parseInt(str.split(' ')[1]);
|
||
|
|
};
|
||
|
|
mscript.fade_count = function fade_count (str) {
|
||
|
|
return parseInt(str.split(' ')[1]);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
mscript.fail = function fail (reason) {
|
||
|
|
console.error(JSON.stringify({success: false, error: true, msg : reason}));
|
||
|
|
if (process) process.exit();
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
mscript.output = function output (data) {
|
||
|
|
var json = true; //default
|
||
|
|
if (mscript.arg('-j', '--json')) {
|
||
|
|
json = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mscript.arg('-t', '--text')) {
|
||
|
|
json = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (json) {
|
||
|
|
console.log(JSON.stringify(data));
|
||
|
|
} else {
|
||
|
|
var ids = Object.keys(data);
|
||
|
|
for (var i = 0; i < ids.length; i++) {
|
||
|
|
console.log(ids[i] + ': ' + data[ids[i]]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
mscript.init = function init () {
|
||
|
|
if (mscript.arg('-t', '--tests')) {
|
||
|
|
return mscript.tests();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mscript.arg('-v', '--verbose')) {
|
||
|
|
console.time('mscript');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mscript.arg('-c', '--cam')) {
|
||
|
|
mscript.state.cam = parseInt(process.argv[mscript.arg_pos('-c', '--cam') + 1]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mscript.arg('-p', '--proj')) {
|
||
|
|
mscript.state.proj = parseInt(process.argv[mscript.arg_pos('-p', '--proj') + 1]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mscript.arg('-f', '--file')) {
|
||
|
|
input = process.argv[mscript.arg_pos('-f', '--file') + 1];
|
||
|
|
mscript.interpret(fs.readFileSync(input, 'utf8'));
|
||
|
|
} else {
|
||
|
|
mscript.interpret(input);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mscript.arg('-v', '--verbose')) {
|
||
|
|
console.timeEnd('mscript');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
if (typeof document === 'undefined'
|
||
|
|
&& typeof module !== 'undefined'
|
||
|
|
&& !module.parent) {
|
||
|
|
//node script
|
||
|
|
fs = require('fs');
|
||
|
|
input = process.argv[2];
|
||
|
|
mscript.init();
|
||
|
|
} else if (typeof module !== 'undefined' && module.parent) {
|
||
|
|
//module
|
||
|
|
fs = require('fs');
|
||
|
|
module.exports = mscript;
|
||
|
|
} else {
|
||
|
|
//web
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
CAM # - go to camera frame #
|
||
|
|
PROJ # - go to projector frame #
|
||
|
|
|
||
|
|
SET CAM # - sets camera count to #
|
||
|
|
SET PROJ # - sets projector count to #
|
||
|
|
|
||
|
|
LOOP # - begin loop, can nest recursively, # times
|
||
|
|
END LOOP - (or END) closes loop
|
||
|
|
|
||
|
|
L #RGB - sets light to rgb value
|
||
|
|
|
||
|
|
FADE
|
||
|
|
|
||
|
|
CF - Camera forwards
|
||
|
|
PF - Projector forwards
|
||
|
|
BF - Black forwards
|
||
|
|
CB - Camera backwards
|
||
|
|
PB - Projector backwards
|
||
|
|
BB - Black backwards
|
||
|
|
|
||
|
|
*/
|