terriajs
Version:
Geospatial data visualization platform.
1 lines • 86.9 kB
JavaScript
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f=Sr.readlink(a);if(a=Pr.resolve(Cr.dirname(a),f),i=Sr.lookupPath(a,{recurse_count:t.recurse_count}).node,c++>40)throw new Sr.ErrnoError(32)}}return{path:a,node:i}},getPath:function(r){for(var t;;){if(Sr.isRoot(r)){var e=r.mount.mountpoint;return t?"/"!==e[e.length-1]?e+"/"+t:e+t:e}t=t?r.name+"/"+t:r.name,r=r.parent}},hashName:function(r,t){for(var e=0,n=0;n<t.length;n++)e=(e<<5)-e+t.charCodeAt(n)|0;return(r+e>>>0)%Sr.nameTable.length},hashAddNode:function(r){var t=Sr.hashName(r.parent.id,r.name);r.name_next=Sr.nameTable[t],Sr.nameTable[t]=r},hashRemoveNode:function(r){var t=Sr.hashName(r.parent.id,r.name);if(Sr.nameTable[t]===r)Sr.nameTable[t]=r.name_next;else for(var e=Sr.nameTable[t];e;){if(e.name_next===r){e.name_next=r.name_next;break}e=e.name_next}},lookupNode:function(r,t){var e=Sr.mayLookup(r);if(e)throw new Sr.ErrnoError(e,r);for(var n=Sr.hashName(r.id,t),o=Sr.nameTable[n];o;o=o.name_next){var i=o.name;if(o.parent.id===r.id&&i===t)return o}return Sr.lookup(r,t)},createNode:function(r,t,e,n){var o=new Sr.FSNode(r,t,e,n);return Sr.hashAddNode(o),o},destroyNode:function(r){Sr.hashRemoveNode(r)},isRoot:function(r){return r===r.parent},isMountpoint:function(r){return!!r.mounted},isFile:function(r){return 32768==(61440&r)},isDir:function(r){return 16384==(61440&r)},isLink:function(r){return 40960==(61440&r)},isChrdev:function(r){return 8192==(61440&r)},isBlkdev:function(r){return 24576==(61440&r)},isFIFO:function(r){return 4096==(61440&r)},isSocket:function(r){return!(49152&~r)},flagModes:{r:0,"r+":2,w:577,"w+":578,a:1089,"a+":1090},modeStringToFlags:function(r){var t=Sr.flagModes[r];if(void 0===t)throw new Error("Unknown file open mode: "+r);return t},flagsToPermissionString:function(r){var t=["r","w","rw"][3&r];return 512&r&&(t+="w"),t},nodePermissions:function(r,t){return Sr.ignorePermissions||(!t.includes("r")||292&r.mode)&&(!t.includes("w")||146&r.mode)&&(!t.includes("x")||73&r.mode)?0:2},mayLookup:function(r){return Sr.nodePermissions(r,"x")||(r.node_ops.lookup?0:2)},mayCreate:function(r,t){try{return Sr.lookupNode(r,t),20}catch(r){}return Sr.nodePermissions(r,"wx")},mayDelete:function(r,t,e){var n;try{n=Sr.lookupNode(r,t)}catch(r){return r.errno}var o=Sr.nodePermissions(r,"wx");if(o)return o;if(e){if(!Sr.isDir(n.mode))return 54;if(Sr.isRoot(n)||Sr.getPath(n)===Sr.cwd())return 10}else if(Sr.isDir(n.mode))return 31;return 0},mayOpen:function(r,t){return r?Sr.isLink(r.mode)?32:Sr.isDir(r.mode)&&("r"!==Sr.flagsToPermissionString(t)||512&t)?31:Sr.nodePermissions(r,Sr.flagsToPermissionString(t)):44},MAX_OPEN_FDS:4096,nextfd:function(r,t){r=r||0,t=t||Sr.MAX_OPEN_FDS;for(var e=r;e<=t;e++)if(!Sr.streams[e])return e;throw new Sr.ErrnoError(33)},getStream:function(r){return Sr.streams[r]},createStream:function(r,t,e){Sr.FSStream||(Sr.FSStream=function(){},Sr.FSStream.prototype={object:{get:function(){return this.node},set:function(r){this.node=r}},isRead:{get:function(){return 1!=(2097155&this.flags)}},isWrite:{get:function(){return!!(2097155&this.flags)}},isAppend:{get:function(){return 1024&this.flags}}});var n=new Sr.FSStream;for(var o in r)n[o]=r[o];r=n;var i=Sr.nextfd(t,e);return r.fd=i,Sr.streams[i]=r,r},closeStream:function(r){Sr.streams[r]=null},chrdev_stream_ops:{open:function(r){var t=Sr.getDevice(r.node.rdev);r.stream_ops=t.stream_ops,r.stream_ops.open&&r.stream_ops.open(r)},llseek:function(){throw new Sr.ErrnoError(70)}},major:function(r){return r>>8},minor:function(r){return 255&r},makedev:function(r,t){return r<<8|t},registerDevice:function(r,t){Sr.devices[r]={stream_ops:t}},getDevice:function(r){return Sr.devices[r]},getMounts:function(r){for(var t=[],e=[r];e.length;){var n=e.pop();t.push(n),e.push.apply(e,n.mounts)}return t},syncfs:function(r,t){"function"==typeof r&&(t=r,r=!1),Sr.syncFSRequests++,Sr.syncFSRequests>1&&E("warning: "+Sr.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work");var e=Sr.getMounts(Sr.root.mount),n=0;function o(r){return Sr.syncFSRequests--,t(r)}function i(r){if(r)return i.errored?void 0:(i.errored=!0,o(r));++n>=e.length&&o(null)}e.forEach((function(t){if(!t.type.syncfs)return i(null);t.type.syncfs(t,r,i)}))},mount:function(r,t,e){var n,o="/"===e,i=!e;if(o&&Sr.root)throw new Sr.ErrnoError(10);if(!o&&!i){var a=Sr.lookupPath(e,{follow_mount:!1});if(e=a.path,n=a.node,Sr.isMountpoint(n))throw new Sr.ErrnoError(10);if(!Sr.isDir(n.mode))throw new Sr.ErrnoError(54)}var u={type:r,opts:t,mountpoint:e,mounts:[]},s=r.mount(u);return s.mount=u,u.root=s,o?Sr.root=s:n&&(n.mounted=u,n.mount&&n.mount.mounts.push(u)),s},unmount:function(r){var t=Sr.lookupPath(r,{follow_mount:!1});if(!Sr.isMountpoint(t.node))throw new Sr.ErrnoError(28);var e=t.node,n=e.mounted,o=Sr.getMounts(n);Object.keys(Sr.nameTable).forEach((function(r){for(var t=Sr.nameTable[r];t;){var e=t.name_next;o.includes(t.mount)&&Sr.destroyNode(t),t=e}})),e.mounted=null;var i=e.mount.mounts.indexOf(n);e.mount.mounts.splice(i,1)},lookup:function(r,t){return r.node_ops.lookup(r,t)},mknod:function(r,t,e){var n=Sr.lookupPath(r,{parent:!0}).node,o=Cr.basename(r);if(!o||"."===o||".."===o)throw new Sr.ErrnoError(28);var i=Sr.mayCreate(n,o);if(i)throw new Sr.ErrnoError(i);if(!n.node_ops.mknod)throw new Sr.ErrnoError(63);return n.node_ops.mknod(n,o,t,e)},create:function(r,t){return t=void 0!==t?t:438,t&=4095,t|=32768,Sr.mknod(r,t,0)},mkdir:function(r,t){return t=void 0!==t?t:511,t&=1023,t|=16384,Sr.mknod(r,t,0)},mkdirTree:function(r,t){for(var e=r.split("/"),n="",o=0;o<e.length;++o)if(e[o]){n+="/"+e[o];try{Sr.mkdir(n,t)}catch(r){if(20!=r.errno)throw r}}},mkdev:function(r,t,e){return void 0===e&&(e=t,t=438),t|=8192,Sr.mknod(r,t,e)},symlink:function(r,t){if(!Pr.resolve(r))throw new Sr.ErrnoError(44);var e=Sr.lookupPath(t,{parent:!0}).node;if(!e)throw new Sr.ErrnoError(44);var n=Cr.basename(t),o=Sr.mayCreate(e,n);if(o)throw new Sr.ErrnoError(o);if(!e.node_ops.symlink)throw new Sr.ErrnoError(63);return e.node_ops.symlink(e,n,r)},rename:function(r,t){var e,n,o=Cr.dirname(r),i=Cr.dirname(t),a=Cr.basename(r),u=Cr.basename(t);if(e=Sr.lookupPath(r,{parent:!0}).node,n=Sr.lookupPath(t,{parent:!0}).node,!e||!n)throw new Sr.ErrnoError(44);if(e.mount!==n.mount)throw new Sr.ErrnoError(75);var s,c=Sr.lookupNode(e,a),f=Pr.relative(r,i);if("."!==f.charAt(0))throw new Sr.ErrnoError(28);if("."!==(f=Pr.relative(t,o)).charAt(0))throw new Sr.ErrnoError(55);try{s=Sr.lookupNode(n,u)}catch(r){}if(c!==s){var l=Sr.isDir(c.mode),d=Sr.mayDelete(e,a,l);if(d)throw new Sr.ErrnoError(d);if(d=s?Sr.mayDelete(n,u,l):Sr.mayCreate(n,u))throw new Sr.ErrnoError(d);if(!e.node_ops.rename)throw new Sr.ErrnoError(63);if(Sr.isMountpoint(c)||s&&Sr.isMountpoint(s))throw new Sr.ErrnoError(10);if(n!==e&&(d=Sr.nodePermissions(e,"w")))throw new Sr.ErrnoError(d);Sr.hashRemoveNode(c);try{e.node_ops.rename(c,n,u)}catch(r){throw r}finally{Sr.hashAddNode(c)}}},rmdir:function(r){var t=Sr.lookupPath(r,{parent:!0}).node,e=Cr.basename(r),n=Sr.lookupNode(t,e),o=Sr.mayDelete(t,e,!0);if(o)throw new Sr.ErrnoError(o);if(!t.node_ops.rmdir)throw new Sr.ErrnoError(63);if(Sr.isMountpoint(n))throw new Sr.ErrnoError(10);t.node_ops.rmdir(t,e),Sr.destroyNode(n)},readdir:function(r){var t=Sr.lookupPath(r,{follow:!0}).node;if(!t.node_ops.readdir)throw new Sr.ErrnoError(54);return t.node_ops.readdir(t)},unlink:function(r){var t=Sr.lookupPath(r,{parent:!0}).node,e=Cr.basename(r),n=Sr.lookupNode(t,e),o=Sr.mayDelete(t,e,!1);if(o)throw new Sr.ErrnoError(o);if(!t.node_ops.unlink)throw new Sr.ErrnoError(63);if(Sr.isMountpoint(n))throw new Sr.ErrnoError(10);t.node_ops.unlink(t,e),Sr.destroyNode(n)},readlink:function(r){var t=Sr.lookupPath(r).node;if(!t)throw new Sr.ErrnoError(44);if(!t.node_ops.readlink)throw new Sr.ErrnoError(28);return Pr.resolve(Sr.getPath(t.parent),t.node_ops.readlink(t))},stat:function(r,t){var e=Sr.lookupPath(r,{follow:!t}).node;if(!e)throw new Sr.ErrnoError(44);if(!e.node_ops.getattr)throw new Sr.ErrnoError(63);return e.node_ops.getattr(e)},lstat:function(r){return Sr.stat(r,!0)},chmod:function(r,t,e){var n;if(!(n="string"==typeof r?Sr.lookupPath(r,{follow:!e}).node:r).node_ops.setattr)throw new Sr.ErrnoError(63);n.node_ops.setattr(n,{mode:4095&t|-4096&n.mode,timestamp:Date.now()})},lchmod:function(r,t){Sr.chmod(r,t,!0)},fchmod:function(r,t){var e=Sr.getStream(r);if(!e)throw new Sr.ErrnoError(8);Sr.chmod(e.node,t)},chown:function(r,t,e,n){var o;if(!(o="string"==typeof r?Sr.lookupPath(r,{follow:!n}).node:r).node_ops.setattr)throw new Sr.ErrnoError(63);o.node_ops.setattr(o,{timestamp:Date.now()})},lchown:function(r,t,e){Sr.chown(r,t,e,!0)},fchown:function(r,t,e){var n=Sr.getStream(r);if(!n)throw new Sr.ErrnoError(8);Sr.chown(n.node,t,e)},truncate:function(r,t){if(t<0)throw new Sr.ErrnoError(28);var e;if(!(e="string"==typeof r?Sr.lookupPath(r,{follow:!0}).node:r).node_ops.setattr)throw new Sr.ErrnoError(63);if(Sr.isDir(e.mode))throw new Sr.ErrnoError(31);if(!Sr.isFile(e.mode))throw new Sr.ErrnoError(28);var n=Sr.nodePermissions(e,"w");if(n)throw new Sr.ErrnoError(n);e.node_ops.setattr(e,{size:t,timestamp:Date.now()})},ftruncate:function(r,t){var e=Sr.getStream(r);if(!e)throw new Sr.ErrnoError(8);if(!(2097155&e.flags))throw new Sr.ErrnoError(28);Sr.truncate(e.node,t)},utime:function(r,t,e){var n=Sr.lookupPath(r,{follow:!0}).node;n.node_ops.setattr(n,{timestamp:Math.max(t,e)})},open:function(r,t,e,n,o){if(""===r)throw new Sr.ErrnoError(44);var i;if(e=void 0===e?438:e,e=64&(t="string"==typeof t?Sr.modeStringToFlags(t):t)?4095&e|32768:0,"object"==typeof r)i=r;else{r=Cr.normalize(r);try{i=Sr.lookupPath(r,{follow:!(131072&t)}).node}catch(r){}}var u=!1;if(64&t)if(i){if(128&t)throw new Sr.ErrnoError(20)}else i=Sr.mknod(r,e,0),u=!0;if(!i)throw new Sr.ErrnoError(44);if(Sr.isChrdev(i.mode)&&(t&=-513),65536&t&&!Sr.isDir(i.mode))throw new Sr.ErrnoError(54);if(!u){var s=Sr.mayOpen(i,t);if(s)throw new Sr.ErrnoError(s)}512&t&&Sr.truncate(i,0),t&=-131713;var c=Sr.createStream({node:i,path:Sr.getPath(i),id:i.id,flags:t,mode:i.mode,seekable:!0,position:0,stream_ops:i.stream_ops,node_ops:i.node_ops,ungotten:[],error:!1},n,o);return c.stream_ops.open&&c.stream_ops.open(c),!a.logReadFiles||1&t||(Sr.readFiles||(Sr.readFiles={}),r in Sr.readFiles||(Sr.readFiles[r]=1)),c},close:function(r){if(Sr.isClosed(r))throw new Sr.ErrnoError(8);r.getdents&&(r.getdents=null);try{r.stream_ops.close&&r.stream_ops.close(r)}catch(r){throw r}finally{Sr.closeStream(r.fd)}r.fd=null},isClosed:function(r){return null===r.fd},llseek:function(r,t,e){if(Sr.isClosed(r))throw new Sr.ErrnoError(8);if(!r.seekable||!r.stream_ops.llseek)throw new Sr.ErrnoError(70);if(0!=e&&1!=e&&2!=e)throw new Sr.ErrnoError(28);return r.position=r.stream_ops.llseek(r,t,e),r.ungotten=[],r.position},read:function(r,t,e,n,o){if(n<0||o<0)throw new Sr.ErrnoError(28);if(Sr.isClosed(r))throw new Sr.ErrnoError(8);if(1==(2097155&r.flags))throw new Sr.ErrnoError(8);if(Sr.isDir(r.node.mode))throw new Sr.ErrnoError(31);if(!r.stream_ops.read)throw new Sr.ErrnoError(28);var i=void 0!==o;if(i){if(!r.seekable)throw new Sr.ErrnoError(70)}else o=r.position;var a=r.stream_ops.read(r,t,e,n,o);return i||(r.position+=a),a},write:function(r,t,e,n,o,i){if(n<0||o<0)throw new Sr.ErrnoError(28);if(Sr.isClosed(r))throw new Sr.ErrnoError(8);if(!(2097155&r.flags))throw new Sr.ErrnoError(8);if(Sr.isDir(r.node.mode))throw new Sr.ErrnoError(31);if(!r.stream_ops.write)throw new Sr.ErrnoError(28);r.seekable&&1024&r.flags&&Sr.llseek(r,0,2);var a=void 0!==o;if(a){if(!r.seekable)throw new Sr.ErrnoError(70)}else o=r.position;var u=r.stream_ops.write(r,t,e,n,o,i);return a||(r.position+=u),u},allocate:function(r,t,e){if(Sr.isClosed(r))throw new Sr.ErrnoError(8);if(t<0||e<=0)throw new Sr.ErrnoError(28);if(!(2097155&r.flags))throw new Sr.ErrnoError(8);if(!Sr.isFile(r.node.mode)&&!Sr.isDir(r.node.mode))throw new Sr.ErrnoError(43);if(!r.stream_ops.allocate)throw new Sr.ErrnoError(138);r.stream_ops.allocate(r,t,e)},mmap:function(r,t,e,n,o,i){if(2&o&&!(2&i)&&2!=(2097155&r.flags))throw new Sr.ErrnoError(2);if(1==(2097155&r.flags))throw new Sr.ErrnoError(2);if(!r.stream_ops.mmap)throw new Sr.ErrnoError(43);return r.stream_ops.mmap(r,t,e,n,o,i)},msync:function(r,t,e,n,o){return r&&r.stream_ops.msync?r.stream_ops.msync(r,t,e,n,o):0},munmap:function(r){return 0},ioctl:function(r,t,e){if(!r.stream_ops.ioctl)throw new Sr.ErrnoError(59);return r.stream_ops.ioctl(r,t,e)},readFile:function(r,t){if((t=t||{}).flags=t.flags||0,t.encoding=t.encoding||"binary","utf8"!==t.encoding&&"binary"!==t.encoding)throw new Error('Invalid encoding type "'+t.encoding+'"');var e,n=Sr.open(r,t.flags),o=Sr.stat(r).size,i=new Uint8Array(o);return Sr.read(n,i,0,o,0),"utf8"===t.encoding?e=S(i,0):"binary"===t.encoding&&(e=i),Sr.close(n),e},writeFile:function(r,t,e){(e=e||{}).flags=e.flags||577;var n=Sr.open(r,e.flags,e.mode);if("string"==typeof t){var o=new Uint8Array(M(t)+1),i=A(t,o,0,o.length);Sr.write(n,o,0,i,void 0,e.canOwn)}else{if(!ArrayBuffer.isView(t))throw new Error("Unsupported data type");Sr.write(n,t,0,t.byteLength,void 0,e.canOwn)}Sr.close(n)},cwd:function(){return Sr.currentPath},chdir:function(r){var t=Sr.lookupPath(r,{follow:!0});if(null===t.node)throw new Sr.ErrnoError(44);if(!Sr.isDir(t.node.mode))throw new Sr.ErrnoError(54);var e=Sr.nodePermissions(t.node,"x");if(e)throw new Sr.ErrnoError(e);Sr.currentPath=t.path},createDefaultDirectories:function(){Sr.mkdir("/tmp"),Sr.mkdir("/home"),Sr.mkdir("/home/web_user")},createDefaultDevices:function(){Sr.mkdir("/dev"),Sr.registerDevice(Sr.makedev(1,3),{read:function(){return 0},write:function(r,t,e,n,o){return n}}),Sr.mkdev("/dev/null",Sr.makedev(1,3)),Dr.register(Sr.makedev(5,0),Dr.default_tty_ops),Dr.register(Sr.makedev(6,0),Dr.default_tty1_ops),Sr.mkdev("/dev/tty",Sr.makedev(5,0)),Sr.mkdev("/dev/tty1",Sr.makedev(6,0));var r=function(){if("object"==typeof crypto&&"function"==typeof crypto.getRandomValues){var r=new Uint8Array(1);return function(){return crypto.getRandomValues(r),r[0]}}if(g)try{var t=e(78425);return function(){return t.randomBytes(1)[0]}}catch(r){}return function(){fr("randomDevice")}}();Sr.createDevice("/dev","random",r),Sr.createDevice("/dev","urandom",r),Sr.mkdir("/dev/shm"),Sr.mkdir("/dev/shm/tmp")},createSpecialDirectories:function(){Sr.mkdir("/proc");var r=Sr.mkdir("/proc/self");Sr.mkdir("/proc/self/fd"),Sr.mount({mount:function(){var t=Sr.createNode(r,"fd",16895,73);return t.node_ops={lookup:function(r,t){var e=+t,n=Sr.getStream(e);if(!n)throw new Sr.ErrnoError(8);var o={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:function(){return n.path}}};return 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Array(4096),Sr.mount(Tr,{},"/"),Sr.createDefaultDirectories(),Sr.createDefaultDevices(),Sr.createSpecialDirectories(),Sr.filesystems={MEMFS:Tr}},init:function(r,t,e){Sr.init.initialized=!0,Sr.ensureErrnoError(),a.stdin=r||a.stdin,a.stdout=t||a.stdout,a.stderr=e||a.stderr,Sr.createStandardStreams()},quit:function(){Sr.init.initialized=!1;var r=a._fflush;r&&r(0);for(var t=0;t<Sr.streams.length;t++){var e=Sr.streams[t];e&&Sr.close(e)}},getMode:function(r,t){var e=0;return r&&(e|=365),t&&(e|=146),e},findObject:function(r,t){var e=Sr.analyzePath(r,t);return e.exists?e.object:null},analyzePath:function(r,t){try{r=(n=Sr.lookupPath(r,{follow:!t})).path}catch(r){}var e={isRoot:!1,exists:!1,error:0,name:null,path:null,object:null,parentExists:!1,parentPath:null,parentObject:null};try{var 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