From 5802785ae0bb146337995d0697d46caebbf032d5 Mon Sep 17 00:00:00 2001 From: Matt Date: Tue, 12 Apr 2016 00:06:23 -0400 Subject: [PATCH] Add mscript to project --- app/lib/mscript.js | 390 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 390 insertions(+) create mode 100644 app/lib/mscript.js diff --git a/app/lib/mscript.js b/app/lib/mscript.js new file mode 100644 index 0000000..1011c21 --- /dev/null +++ b/app/lib/mscript.js @@ -0,0 +1,390 @@ +var fs, + input; + +var mscript = {}; + +mscript.arg = function arg (shrt, lng) { + if (process.argv.indexOf(shrt) !== -1 || + process.argv.indexOf(lng) !== -1) { + return true; + } + return false; +}; + +mscript.arg_pos = function arg_pos (shrt, lng) { + var pos = -1; + pos = process.argv.indexOf(shrt); + if (pos === -1) { + pos = process.argv.indexOf(lng); + } + return pos; +}; + +mscript.cmd = [ + 'CF', + 'PF', + 'BF', + 'CB', + 'PB', + 'BB' +]; +mscript.alts = { + 'CF' : ['CAMERA FORWARD', 'CAM FORWARD'], + 'PF' : ['PROJECTOR FORWARD', 'PROJ FORWARD'], + 'BF': ['BLACK FORWARD'], + 'CB' : ['CAMERA BACKWARD', 'CAM BACKWARD', 'CAMERA BACK', 'CAM BACK'], + 'PB' : ['PROJECTOR FORWARD', 'PROJ FORWARD', 'PROJECTOR BACK', 'PROJ BACK'], + 'BB' : ['BLACK BACKWARD', 'BLACK BACK'] +}; +mscript.alts_unique = function alts_unique () { + var ids = Object.keys(mscript.alts), + all = []; + for (var i = 0; i < ids.length; i++) { + if (all.indexOf(ids[i]) === -1) { + all.push(ids[i]); + } else { + mscript.fail("Can't compile"); + } + } +}; +mscript.state = {}; +mscript.state_clear = function state_clear () { + mscript.state = { + cam : 0, + proj : 0, + loops : [], + rec : -1 + }; +}; +mscript.interpret = function interpret (text, callback) { + mscript.state_clear(); + var lines = text.split('\n'), + two = '', + arr = [], + target = 0, + dist = 0, //? + output = {}; + for (var i = 0; i < lines.length; i++) { + lines[i] = lines[i].replace(/\t+/g, ""); //strip tabs + lines[i] = lines[i].trim(); //remove excess whitespace before and after command + two = lines[i].substring(0,2); + if (mscript.cmd.indexOf(two) !== -1) { + if (mscript.state.loops.length > 0) { + mscript.state.loops[mscript.state.rec].arr.push.apply(mscript.state.loops[mscript.state.rec].arr, mscript.str_to_arr(lines[i], two)); + } else { + arr.push.apply(arr, mscript.str_to_arr(lines[i], two)); + } + } else if (lines[i].substring(0, 4) === 'LOOP') { + mscript.state.rec++; + mscript.state.loops[mscript.state.rec] = { + arr : [], + cam : 0, + proj : 0, + cmd : lines[i] + '' + }; + } else if (lines[i].substring(0, 3) === 'END') { + for (var x = 0; x < mscript.loop_count(mscript.state.loops[mscript.state.rec].cmd); x++) { + if (mscript.state.rec === 0) { + arr.push.apply(arr, mscript.state.loops[mscript.state.rec].arr); + } else if (mscript.state.rec >= 1) { + mscript.state.loops[mscript.state.rec - 1].arr.push.apply(mscript.state.loops[mscript.state.rec - 1].arr, mscript.state.loops[mscript.state.rec].arr); + } + } + mscript.state_update('END', mscript.loop_count(mscript.state.loops[mscript.state.rec].cmd)); + delete mscript.state.loops[mscript.state.rec]; + mscript.state.rec--; + } else if (lines[i].substring(0, 3) === 'CAM') { //directly go to that frame (black?) + if (mscript.state.loops.length > 0) { + mscript.fail('Cannot go to absolute camera frame within a loop... yet.'); + } + target = parseInt(lines[i].split('CAM ')[1]); + if (target > mscript.state.cam) { + dist = target - mscript.state.cam; + for (var x = 0; x < dist; x++) { + arr.push('BF'); + mscript.state_update('BF'); + } + } else { + dist = mscript.state.cam - target; + for (var x = 0; x < dist; x++) { + arr.push('BB'); + mscript.state_update('BB'); + } + } + } else if (lines[i].substring(0, 4) === 'PROJ') { //directly go to that frame + if (mscript.state.loops.length > 0) { + mscript.fail('Cannot go to absolute projector frame within a loop... yet.'); + } + target = parseInt(lines[i].split('PROJ ')[1]); + if (target > mscript.state.proj) { + dist = target - mscript.state.proj; + for (var x = 0; x < dist; x++) { + arr.push('PF'); + mscript.state_update('PF'); + } + } else { + dist = mscript.state.proj - target; + for (var x = 0; x < dist; x++) { + arr.push('PB'); + mscript.state_update('PB'); + } + } + } else if (lines[i].substring(0, 3) === 'SET') { //set that state + if (lines[i].substring(0, 7) === 'SET CAM') { + mscript.state.cam = parseInt(lines[i].split('SET CAM')[1]); + } else if (lines[i].substring(0, 8) === 'SET PROJ') { + mscript.state.proj = parseInt(lines[i].split('SET PROJ')[1]); + } + } else if (lines[i].substring(0, 1) === '#' || lines[i].substring(0, 2) === '//') { + //comments + //ignore while parsing + } + } + output.success = true; + output.arr = arr; + output.cam = mscript.state.cam; + output.proj = mscript.state.proj; + if (typeof callback !== 'undefined') { + //should only be invoked by running mscript.tests() + callback(output); + } else { + return mscript.output(output); + } +}; +mscript.last_loop = function last_loop () { + + return mscript.state.loops[mscript.state.loops.length - 1]; +}; +mscript.parent_loop = function parent_loop () { + + return mscript.state.loops[mscript.state.loops.length - 2]; +}; +mscript.state_update = function state_update (cmd, val) { + if (cmd === 'END') { + for (var i = 0; i < val; i++) { + if (mscript.state.rec === 0) { + mscript.state.cam += mscript.state.loops[mscript.state.rec].cam; + mscript.state.proj += mscript.state.loops[mscript.state.rec].proj; + } else if (mscript.state.rec >= 1) { + mscript.state.loops[mscript.state.rec - 1].cam += mscript.state.loops[mscript.state.rec].cam; + mscript.state.loops[mscript.state.rec - 1].proj += mscript.state.loops[mscript.state.rec].proj; + } + } + } else if (cmd === 'CF') { + if (mscript.state.loops.length < 1) { + mscript.state.cam++; + } else { + mscript.state.loops[mscript.state.rec].cam++; + } + } else if (cmd === 'CB') { + if (mscript.state.loops.length < 1) { + mscript.state.cam--; + } else { + mscript.state.loops[mscript.state.rec].cam--; + } + } else if (cmd === 'PF') { + if (mscript.state.loops.length < 1) { + mscript.state.proj++; + } else { + mscript.state.loops[mscript.state.rec].proj++; + } + } else if (cmd === 'PB') { + if (mscript.state.loops.length < 1) { + mscript.state.proj--; + } else { + mscript.state.loops[mscript.state.rec].proj--; + } + } else if (cmd === 'BF') { + if (mscript.state.loops.length < 1) { + mscript.state.cam++; + } else { + mscript.state.loops[mscript.state.rec].cam++; + } + } else if (cmd === 'BB') { + if (mscript.state.loops.length < 1) { + mscript.state.cam--; + } else { + mscript.state.loops[mscript.state.rec].cam++; + } + } +}; +mscript.str_to_arr = function str_to_arr (str, cmd) { + var cnt = str.split(cmd), + c = parseInt(cnt[1]), + arr = []; + if (cnt[1] === '') { + c = 1; + } else { + c = parseInt(cnt[1]); + } + for (var i = 0; i < c; i++) { + arr.push(cmd); + mscript.state_update(cmd); + } + return arr; +}; +mscript.loop_count = function loop_count (str) { + + return parseInt(str.split('LOOP ')[1]); +}; +mscript.fail = function fail (reason) { + console.error(JSON.stringify({success: false, error: true, msg : reason})); + 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'); + } +}; + +mscript.tests = function tests () { + console.log('Running mscript tests'); + console.time('Tests took'); + + mscript.alts_unique(); //perform check only during tests + var fail = function (script, obj) { + console.log('...Failed :('); + console.log(script); + console.log(obj); + process.exit(); + }; + var script = 'CF\nPF\nCB\nPB\nBF\nBB'; + console.log('Basic function test...'); + mscript.interpret(script, function (obj) { + if (obj.success === true + && obj.cam === 0 + && obj.proj === 0 + && obj.arr.length === 6) { + console.log('...Passed!'); + } else { + fail(script, obj); + } + }); + + var script = 'CF\nPF\nCB\nPB\nBF\nBB'; + console.log('Functions with integers test...'); + mscript.interpret(script, function (obj) { + if (obj.success === true + && obj.cam === 0 + && obj.proj === 0 + && obj.arr.length === 6) { + console.log('...Passed!'); + } else { + fail(script, obj); + } + }); + + script = 'CF 1000\nCB 1000\nSET PROJ 200\nPB 200'; + console.log('Basic state test...'); + mscript.interpret(script, function (obj) { + if (obj.success === true + && obj.cam === 0 + && obj.proj === 0) { + console.log('...Passed!'); + } else { + fail(script, obj); + } + }); + + script = 'LOOP 10\nCF 3\nPF 1\nEND LOOP'; + console.log('Basic loop test...'); + mscript.interpret(script, function (obj) { + if (obj.success === true + && obj.cam === 30 + && obj.proj === 10 + && obj.arr.length === 40) { + console.log('...Passed!'); + } else { + fail(script, obj); + } + }); + + script = 'LOOP 4\nLOOP 4\nPF\nBF\nEND LOOP\nEND LOOP'; + console.log('Recursive loop test...'); + mscript.interpret(script, function (obj) { + if (obj.success === true + && obj.cam === 16 + && obj.proj === 16 + && obj.arr.length === 32) { + console.log('...Passed!'); + } else { + fail(script, obj); + } + }); + + console.log('All tests completed'); + console.timeEnd('Tests took'); +}; + +if (typeof module !== 'undefined') { + fs = require('fs'); + module.exports = mscript; +} else { + if (typeof process !== 'undefined') { + fs = require('fs'); + input = process.argv[2]; + mscript.init(); + } +} + +/* + +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 + +CF - Camera forwards +PF - Projector forwards +BF - Black forwards +CB - Camera backwards +PB - Projector backwards +BB - Black backwards + +*/ \ No newline at end of file