@webarkit/jsartoolkit-nft/dist/ARToolkitNFT_td.js

Emscripten port of ARToolKit5 to JavaScript. It is a lighter version of Jsartoolkit5 with only NFT markerless support

/*! For license information please see ARToolkitNFT_td.js.LICENSE.txt */
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read(A){A?this.mode|=this.readMode:this.mode&=~this.readMode}get write(){return(this.mode&this.writeMode)===this.writeMode}set write(A){A?this.mode|=this.writeMode:this.mode&=~this.writeMode}get isFolder(){return xA.isDir(this.mode)}get isDevice(){return xA.isChrdev(this.mode)}},lookupPath(A,I={}){if(!(A=HA.resolve(A)))return{path:"",node:null};if((I=Object.assign({follow_mount:!0,recurse_count:0},I)).recurse_count>8)throw new xA.ErrnoError(32);for(var g=A.split("/").filter((A=>!!A)),B=xA.root,C="/",Q=0;Q<g.length;Q++){var E=Q===g.length-1;if(E&&I.parent)break;if(B=xA.lookupNode(B,g[Q]),C=LA.join2(C,g[Q]),xA.isMountpoint(B)&&(!E||E&&I.follow_mount)&&(B=B.mounted.root),!E||I.follow)for(var i=0;xA.isLink(B.mode);){var o=xA.readlink(C);if(C=HA.resolve(LA.dirname(C),o),B=xA.lookupPath(C,{recurse_count:I.recurse_count+1}).node,i++>40)throw new xA.ErrnoError(32)}}return{path:C,node:B}},getPath(A){for(var I;;){if(xA.isRoot(A)){var g=A.mount.mountpoint;return I?"/"!==g[g.length-1]?`${g}/${I}`:g+I:g}I=I?`${A.name}/${I}`:A.name,A=A.parent}},hashName(A,I){for(var g=0,B=0;B<I.length;B++)g=(g<<5)-g+I.charCodeAt(B)|0;return(A+g>>>0)%xA.nameTable.length},hashAddNode(A){var I=xA.hashName(A.parent.id,A.name);A.name_next=xA.nameTable[I],xA.nameTable[I]=A},hashRemoveNode(A){var I=xA.hashName(A.parent.id,A.name);if(xA.nameTable[I]===A)xA.nameTable[I]=A.name_next;else for(var g=xA.nameTable[I];g;){if(g.name_next===A){g.name_next=A.name_next;break}g=g.name_next}},lookupNode(A,I){var g=xA.mayLookup(A);if(g)throw new xA.ErrnoError(g);for(var B=xA.hashName(A.id,I),C=xA.nameTable[B];C;C=C.name_next){var Q=C.name;if(C.parent.id===A.id&&Q===I)return C}return xA.lookup(A,I)},createNode(A,I,g,B){var C=new xA.FSNode(A,I,g,B);return xA.hashAddNode(C),C},destroyNode(A){xA.hashRemoveNode(A)},isRoot:A=>A===A.parent,isMountpoint:A=>!!A.mounted,isFile:A=>32768==(61440&A),isDir:A=>16384==(61440&A),isLink:A=>40960==(61440&A),isChrdev:A=>8192==(61440&A),isBlkdev:A=>24576==(61440&A),isFIFO:A=>4096==(61440&A),isSocket:A=>!(49152&~A),flagsToPermissionString(A){var I=["r","w","rw"][3&A];return 512&A&&(I+="w"),I},nodePermissions:(A,I)=>xA.ignorePermissions||(!I.includes("r")||292&A.mode)&&(!I.includes("w")||146&A.mode)&&(!I.includes("x")||73&A.mode)?0:2,mayLookup:A=>xA.isDir(A.mode)?xA.nodePermissions(A,"x")||(A.node_ops.lookup?0:2):54,mayCreate(A,I){try{return xA.lookupNode(A,I),20}catch(A){}return xA.nodePermissions(A,"wx")},mayDelete(A,I,g){var B;try{B=xA.lookupNode(A,I)}catch(A){return A.errno}var C=xA.nodePermissions(A,"wx");if(C)return C;if(g){if(!xA.isDir(B.mode))return 54;if(xA.isRoot(B)||xA.getPath(B)===xA.cwd())return 10}else if(xA.isDir(B.mode))return 31;return 0},mayOpen:(A,I)=>A?xA.isLink(A.mode)?32:xA.isDir(A.mode)&&("r"!==xA.flagsToPermissionString(I)||512&I)?31:xA.nodePermissions(A,xA.flagsToPermissionString(I)):44,MAX_OPEN_FDS:4096,nextfd(){for(var A=0;A<=xA.MAX_OPEN_FDS;A++)if(!xA.streams[A])return A;throw new xA.ErrnoError(33)},getStreamChecked(A){var I=xA.getStream(A);if(!I)throw new xA.ErrnoError(8);return I},getStream:A=>xA.streams[A],createStream:(A,I=-1)=>(A=Object.assign(new xA.FSStream,A),-1==I&&(I=xA.nextfd()),A.fd=I,xA.streams[I]=A,A),closeStream(A){xA.streams[A]=null},dupStream(A,I=-1){var g=xA.createStream(A,I);return g.stream_ops?.dup?.(g),g},chrdev_stream_ops:{open(A){var I=xA.getDevice(A.node.rdev);A.stream_ops=I.stream_ops,A.stream_ops.open?.(A)},llseek(){throw new xA.ErrnoError(70)}},major:A=>A>>8,minor:A=>255&A,makedev:(A,I)=>A<<8|I,registerDevice(A,I){xA.devices[A]={stream_ops:I}},getDevice:A=>xA.devices[A],getMounts(A){for(var I=[],g=[A];g.length;){var B=g.pop();I.push(B),g.push(...B.mounts)}return I},syncfs(A,I){"function"==typeof A&&(I=A,A=!1),xA.syncFSRequests++,xA.syncFSRequests>1&&F(`warning: ${xA.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);var g=xA.getMounts(xA.root.mount),B=0;function C(A){return xA.syncFSRequests--,I(A)}function Q(A){if(A)return Q.errored?void 0:(Q.errored=!0,C(A));++B>=g.length&&C(null)}g.forEach((I=>{if(!I.type.syncfs)return Q(null);I.type.syncfs(I,A,Q)}))},mount(A,I,g){var B,C="/"===g,Q=!g;if(C&&xA.root)throw new xA.ErrnoError(10);if(!C&&!Q){var E=xA.lookupPath(g,{follow_mount:!1});if(g=E.path,B=E.node,xA.isMountpoint(B))throw new xA.ErrnoError(10);if(!xA.isDir(B.mode))throw new xA.ErrnoError(54)}var i={type:A,opts:I,mountpoint:g,mounts:[]},o=A.mount(i);return o.mount=i,i.root=o,C?xA.root=o:B&&(B.mounted=i,B.mount&&B.mount.mounts.push(i)),o},unmount(A){var I=xA.lookupPath(A,{follow_mount:!1});if(!xA.isMountpoint(I.node))throw new xA.ErrnoError(28);var g=I.node,B=g.mounted,C=xA.getMounts(B);Object.keys(xA.nameTable).forEach((A=>{for(var I=xA.nameTable[A];I;){var g=I.name_next;C.includes(I.mount)&&xA.destroyNode(I),I=g}})),g.mounted=null;var Q=g.mount.mounts.indexOf(B);g.mount.mounts.splice(Q,1)},lookup:(A,I)=>A.node_ops.lookup(A,I),mknod(A,I,g){var B=xA.lookupPath(A,{parent:!0}).node,C=LA.basename(A);if(!C||"."===C||".."===C)throw new xA.ErrnoError(28);var Q=xA.mayCreate(B,C);if(Q)throw new xA.ErrnoError(Q);if(!B.node_ops.mknod)throw new xA.ErrnoError(63);return B.node_ops.mknod(B,C,I,g)},create:(A,I)=>(I=void 0!==I?I:438,I&=4095,I|=32768,xA.mknod(A,I,0)),mkdir:(A,I)=>(I=void 0!==I?I:511,I&=1023,I|=16384,xA.mknod(A,I,0)),mkdirTree(A,I){for(var g=A.split("/"),B="",C=0;C<g.length;++C)if(g[C]){B+="/"+g[C];try{xA.mkdir(B,I)}catch(A){if(20!=A.errno)throw A}}},mkdev:(A,I,g)=>(void 0===g&&(g=I,I=438),I|=8192,xA.mknod(A,I,g)),symlink(A,I){if(!HA.resolve(A))throw new xA.ErrnoError(44);var g=xA.lookupPath(I,{parent:!0}).node;if(!g)throw new xA.ErrnoError(44);var B=LA.basename(I),C=xA.mayCreate(g,B);if(C)throw new xA.ErrnoError(C);if(!g.node_ops.symlink)throw new xA.ErrnoError(63);return g.node_ops.symlink(g,B,A)},rename(A,I){var g,B,C=LA.dirname(A),Q=LA.dirname(I),E=LA.basename(A),i=LA.basename(I);if(g=xA.lookupPath(A,{parent:!0}).node,B=xA.lookupPath(I,{parent:!0}).node,!g||!B)throw new xA.ErrnoError(44);if(g.mount!==B.mount)throw new xA.ErrnoError(75);var o,D=xA.lookupNode(g,E),a=HA.relative(A,Q);if("."!==a.charAt(0))throw new xA.ErrnoError(28);if("."!==(a=HA.relative(I,C)).charAt(0))throw new xA.ErrnoError(55);try{o=xA.lookupNode(B,i)}catch(A){}if(D!==o){var w=xA.isDir(D.mode),s=xA.mayDelete(g,E,w);if(s)throw new xA.ErrnoError(s);if(s=o?xA.mayDelete(B,i,w):xA.mayCreate(B,i))throw new xA.ErrnoError(s);if(!g.node_ops.rename)throw new xA.ErrnoError(63);if(xA.isMountpoint(D)||o&&xA.isMountpoint(o))throw new xA.ErrnoError(10);if(B!==g&&(s=xA.nodePermissions(g,"w")))throw new xA.ErrnoError(s);xA.hashRemoveNode(D);try{g.node_ops.rename(D,B,i),D.parent=B}catch(A){throw A}finally{xA.hashAddNode(D)}}},rmdir(A){var I=xA.lookupPath(A,{parent:!0}).node,g=LA.basename(A),B=xA.lookupNode(I,g),C=xA.mayDelete(I,g,!0);if(C)throw new xA.ErrnoError(C);if(!I.node_ops.rmdir)throw new xA.ErrnoError(63);if(xA.isMountpoint(B))throw new xA.ErrnoError(10);I.node_ops.rmdir(I,g),xA.destroyNode(B)},readdir(A){var I=xA.lookupPath(A,{follow:!0}).node;if(!I.node_ops.readdir)throw new xA.ErrnoError(54);return I.node_ops.readdir(I)},unlink(A){var I=xA.lookupPath(A,{parent:!0}).node;if(!I)throw new xA.ErrnoError(44);var g=LA.basename(A),B=xA.lookupNode(I,g),C=xA.mayDelete(I,g,!1);if(C)throw new xA.ErrnoError(C);if(!I.node_ops.unlink)throw new xA.ErrnoError(63);if(xA.isMountpoint(B))throw new xA.ErrnoError(10);I.node_ops.unlink(I,g),xA.destroyNode(B)},readlink(A){var I=xA.lookupPath(A).node;if(!I)throw new xA.ErrnoError(44);if(!I.node_ops.readlink)throw new xA.ErrnoError(28);return HA.resolve(xA.getPath(I.parent),I.node_ops.readlink(I))},stat(A,I){var g=xA.lookupPath(A,{follow:!I}).node;if(!g)throw new xA.ErrnoError(44);if(!g.node_ops.getattr)throw new xA.ErrnoError(63);return g.node_ops.getattr(g)},lstat:A=>xA.stat(A,!0),chmod(A,I,g){var B;if(!(B="string"==typeof A?xA.lookupPath(A,{follow:!g}).node:A).node_ops.setattr)throw new xA.ErrnoError(63);B.node_ops.setattr(B,{mode:4095&I|-4096&B.mode,timestamp:Date.now()})},lchmod(A,I){xA.chmod(A,I,!0)},fchmod(A,I){var g=xA.getStreamChecked(A);xA.chmod(g.node,I)},chown(A,I,g,B){var C;if(!(C="string"==typeof A?xA.lookupPath(A,{follow:!B}).node:A).node_ops.setattr)throw new xA.ErrnoError(63);C.node_ops.setattr(C,{timestamp:Date.now()})},lchown(A,I,g){xA.chown(A,I,g,!0)},fchown(A,I,g){var B=xA.getStreamChecked(A);xA.chown(B.node,I,g)},truncate(A,I){if(I<0)throw new xA.ErrnoError(28);var g;if(!(g="string"==typeof A?xA.lookupPath(A,{follow:!0}).node:A).node_ops.setattr)throw new xA.ErrnoError(63);if(xA.isDir(g.mode))throw new xA.ErrnoError(31);if(!xA.isFile(g.mode))throw new xA.ErrnoError(28);var B=xA.nodePermissions(g,"w");if(B)throw new xA.ErrnoError(B);g.node_ops.setattr(g,{size:I,timestamp:Date.now()})},ftruncate(A,I){var g=xA.getStreamChecked(A);if(!(2097155&g.flags))throw new xA.ErrnoError(28);xA.truncate(g.node,I)},utime(A,I,g){var B=xA.lookupPath(A,{follow:!0}).node;B.node_ops.setattr(B,{timestamp:Math.max(I,g)})},open(A,I,g){if(""===A)throw new xA.ErrnoError(44);var B;if(g=64&(I="string"==typeof I?(A=>{var I={r:0,"r+":2,w:577,"w+":578,a:1089,"a+":1090}[A];if(void 0===I)throw new Error(`Unknown file open mode: ${A}`);return I})(I):I)?4095&(g=void 0===g?438:g)|32768:0,"object"==typeof A)B=A;else{A=LA.normalize(A);try{B=xA.lookupPath(A,{follow:!(131072&I)}).node}catch(A){}}var C=!1;if(64&I)if(B){if(128&I)throw new xA.ErrnoError(20)}else B=xA.mknod(A,g,0),C=!0;if(!B)throw new xA.ErrnoError(44);if(xA.isChrdev(B.mode)&&(I&=-513),65536&I&&!xA.isDir(B.mode))throw new xA.ErrnoError(54);if(!C){var E=xA.mayOpen(B,I);if(E)throw new xA.ErrnoError(E)}512&I&&!C&&xA.truncate(B,0),I&=-131713;var i=xA.createStream({node:B,path:xA.getPath(B),flags:I,seekable:!0,position:0,stream_ops:B.stream_ops,ungotten:[],error:!1});return i.stream_ops.open&&i.stream_ops.open(i),!Q.logReadFiles||1&I||A in xA.readFiles||(xA.readFiles[A]=1),i},close(A){if(xA.isClosed(A))throw new xA.ErrnoError(8);A.getdents&&(A.getdents=null);try{A.stream_ops.close&&A.stream_ops.close(A)}catch(A){throw A}finally{xA.closeStream(A.fd)}A.fd=null},isClosed:A=>null===A.fd,llseek(A,I,g){if(xA.isClosed(A))throw new xA.ErrnoError(8);if(!A.seekable||!A.stream_ops.llseek)throw new xA.ErrnoError(70);if(0!=g&&1!=g&&2!=g)throw new xA.ErrnoError(28);return A.position=A.stream_ops.llseek(A,I,g),A.ungotten=[],A.position},read(A,I,g,B,C){if(B<0||C<0)throw new xA.ErrnoError(28);if(xA.isClosed(A))throw new xA.ErrnoError(8);if(1==(2097155&A.flags))throw new xA.ErrnoError(8);if(xA.isDir(A.node.mode))throw new xA.ErrnoError(31);if(!A.stream_ops.read)throw new xA.ErrnoError(28);var Q=void 0!==C;if(Q){if(!A.seekable)throw new xA.ErrnoError(70)}else C=A.position;var E=A.stream_ops.read(A,I,g,B,C);return Q||(A.position+=E),E},write(A,I,g,B,C,Q){if(B<0||C<0)throw new xA.ErrnoError(28);if(xA.isClosed(A))throw new xA.ErrnoError(8);if(!(2097155&A.flags))throw new xA.ErrnoError(8);if(xA.isDir(A.node.mode))throw new xA.ErrnoError(31);if(!A.stream_ops.write)throw new xA.ErrnoError(28);A.seekable&&1024&A.flags&&xA.llseek(A,0,2);var E=void 0!==C;if(E){if(!A.seekable)throw new xA.ErrnoError(70)}else C=A.position;var i=A.stream_ops.write(A,I,g,B,C,Q);return E||(A.position+=i),i},allocate(A,I,g){if(xA.isClosed(A))throw new xA.ErrnoError(8);if(I<0||g<=0)throw new xA.ErrnoError(28);if(!(2097155&A.flags))throw new xA.ErrnoError(8);if(!xA.isFile(A.node.mode)&&!xA.isDir(A.node.mode))throw new xA.ErrnoError(43);if(!A.stream_ops.allocate)throw new xA.ErrnoError(138);A.stream_ops.allocate(A,I,g)},mmap(A,I,g,B,C){if(2&B&&!(2&C)&&2!=(2097155&A.flags))throw new xA.ErrnoError(2);if(1==(2097155&A.flags))throw new xA.ErrnoError(2);if(!A.stream_ops.mmap)throw new xA.ErrnoError(43);if(!I)throw new xA.ErrnoError(28);return A.stream_ops.mmap(A,I,g,B,C)},msync:(A,I,g,B,C)=>A.stream_ops.msync?A.stream_ops.msync(A,I,g,B,C):0,ioctl(A,I,g){if(!A.stream_ops.ioctl)throw new xA.ErrnoError(59);return A.stream_ops.ioctl(A,I,g)},readFile(A,I={}){if(I.flags=I.flags||0,I.encoding=I.encoding||"binary","utf8"!==I.encoding&&"binary"!==I.encoding)throw new Error(`Invalid encoding type "${I.encoding}"`);var g,B=xA.open(A,I.flags),C=xA.stat(A).size,Q=new Uint8Array(C);return xA.read(B,Q,0,C,0),"utf8"===I.encoding?g=NA(Q):"binary"===I.encoding&&(g=Q),xA.close(B),g},writeFile(A,I,g={}){g.flags=g.flags||577;var B=xA.open(A,g.flags,g.mode);if("string"==typeof I){var C=new Uint8Array(qA(I)+1),Q=fA(I,C,0,C.length);xA.write(B,C,0,Q,void 0,g.canOwn)}else{if(!ArrayBuffer.isView(I))throw new Error("Unsupported data type");xA.write(B,I,0,I.byteLength,void 0,g.canOwn)}xA.close(B)},cwd:()=>xA.currentPath,chdir(A){var I=xA.lookupPath(A,{follow:!0});if(null===I.node)throw new xA.ErrnoError(44);if(!xA.isDir(I.node.mode))throw new xA.ErrnoError(54);var g=xA.nodePermissions(I.node,"x");if(g)throw new xA.ErrnoError(g);xA.currentPath=I.path},createDefaultDirectories(){xA.mkdir("/tmp"),xA.mkdir("/home"),xA.mkdir("/home/web_user")},createDefaultDevices(){xA.mkdir("/dev"),xA.registerDevice(xA.makedev(1,3),{read:()=>0,write:(A,I,g,B,C)=>B}),xA.mkdev("/dev/null",xA.makedev(1,3)),pA.register(xA.makedev(5,0),pA.default_tty_ops),pA.register(xA.makedev(6,0),pA.default_tty1_ops),xA.mkdev("/dev/tty",xA.makedev(5,0)),xA.mkdev("/dev/tty1",xA.makedev(6,0));var A=new 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