@discoveryjs/cli
Version:
CLI tools to serve & build projects based on Discovery.js
2 lines (1 loc) • 22.2 kB
JavaScript
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Z:{i=o[0]=t.readIntVar(),f--,c=1;break}case ne:{i=t.readIntVar();break}}switch(l){case m:{for(let s=0;s<f;s++)o[c+s]=t.readVlq();break}case C:{for(let s=0;s<f;s++)o[c+s]=t.readIntVar();break}case M:{let s=t.readBytes(Math.ceil(f/2));for(let a=0,h=0;a<f;a++)h=a&1?h>>4:s[a>>1],o[c+a]=h&8?t.readVlq()*8+(h&7):h&7;break}case S:{let s=t.readBytes(Math.ceil(f/2));for(let a=0,h=0;a<f;a++){h=a&1?h>>4:s[a>>1];let N=h&4?-1:1;o[c+a]=h&8?N*(t.readVlq()*4+(h&3)):N*(h&3)}break}case j:{let s=e>>8,a=(1<<s)-1,h=t.readBytes(Math.ceil(f*s/8)),N=0,d=0,_=0;for(let u=0;u<f;u++){for(;d<s;)_|=h[N++]<<d,d+=8;o[c+u]=_&a,_>>=s,d-=s}break}case v:{let s=e>>8,a=(1<<s)-1,h=t.readBytes(Math.ceil(f*s/8)),N=0,d=0,_=0;for(let u=0;u<f;u++){for(;d<s;)_|=h[N++]<<d,d+=8;o[c+u]=_&1?-((_&a)>>1):(_&a)>>1,_>>=s,d-=s}break}case se:{let s=o[0]=t.readIntVar(),a=t.readIntVar();for(let h=1;h<r;h++)o[h]=s+=a;break}case R:case E:{let s=l===E,a=e>>8,h=s?e&he|a&J:a;if(k[a]>1){let d=t.readTypeIndex(f,h);for(let _=0;_<f;_++)o[c+_]=t.readNumber(d[_])}else{let d=31-Math.clz32(h);for(let _=0;_<f;_++)o[c+_]=t.readNumber(d)}break}default:throw new Error(`Unknown numeric array encoding method: ${l}`)}switch(n){case Z:{o[0]=i;for(let s=1;s<r;s++)o[s]+=o[s-1];break}case ne:{for(let s=0;s<r;s++)o[s]+=i;break}}return o}function ft(t){let e=Rt(t.readBytes(t.readVlq())),r=t.readNumericArray(),o=t.readNumericArray(),l=t.readNumericArray(),n=new Array(r);for(let f=0,i=0,c=0,s="";f<r.length;f++){let a=r[f],h=e(a>>2);a&2&&(h=s.slice(0,o[i++])+h),a&1&&(h=h+s.slice(-l[c++])),n[f]=h,s=h}return n}function Rt(t){function e(c){if(l!==null){let s=c;c=new Uint8Array(l.length+s.length),c.set(l),c.set(s,l.length),l=null}if(c[c.length-1]>127)for(let s=0;s<c.length;s++){let a=c[c.length-1-s];if(a>>6===3){s++,(s!==4&&a>>3===30||s!==3&&a>>4===14||s!==2&&a>>5===6)&&(l=c.slice(c.length-s),c=c.subarray(0,-s));break}}return r.decode(c)}let r=new TextDecoder("utf8",{ignoreBOM:!0}),o=16*1024*1024,l=null,n=0,f="",i=0;return function(c){for(;c>f.length-i;)f=f.slice(i)+e(t.subarray(n,n+=o)),i=0;return f.slice(i,i+=c)}}var fe=12;function at(t){return t===te||t===9}function Ut(t){try{let{version:e}=we(t);if(at(e))return!0;throw new Error(`Unsupported jsonxl version "${e}", expected "${te}"`)}catch{return!1}}function we(t){if(t.byteLength<fe)throw new Error(`Header length must be at least ${fe} bytes`);let e=new Uint8Array(t.buffer,t.byteOffset,fe);if(e.subarray(0,8).some((f,i)=>f!==ae[i]))throw new Error("Bad magic number");let o=new DataView(e.buffer,e.byteOffset,fe),l=o.getUint16(8,!0),n=o.getUint16(10,!0);return{version:l,flags:n,headerSize:fe}}var _e=class{constructor(e,r){this.view=new DataView(e.buffer,e.byteOffset,e.byteLength),this.bytes=e,this.pos=0,typeof r=="function"&&r(this),this.consumeHeader(),this.loadStrings(),this.loadArrayLengths(),this.loadArrayHeaders(),this.loadObjectEntries()}consumeHeader(){let{version:e,flags:r,headerSize:o}=we(this.view);return this.pos+=o,{version:e,flags:r}}loadStrings(){this.strings=ft(this),this.stringRefs=this.readNumericArray(),this.stringRefsCursor=0}loadArrayHeaders(){this.arrayHeaders=this.readNumericArray(),this.arrayHeaderRefs=this.readNumericArray(),this.arrayHeaderRefsCursor=0}loadArrayLengths(){this.arrayLengths=this.readNumericArray(),this.arrayLengthsCursor=0}loadObjectEntries(){let e=this.readVlq(),r=this.readVlq();this.objectEntries=new Array(e),this.objectKeys=r?this.stringRefs.slice(-r).map(o=>this.strings[o]):[];for(let o=0;o<e;o++)this.objectEntries[o]={dict:this.readNumericArray(),refs:this.readNumericArray(),cursor:0}}readString(){return this.strings[this.stringRefs[this.stringRefsCursor++]]}readArrayHeader(){return this.arrayHeaders[this.arrayHeaderRefs[this.arrayHeaderRefsCursor++]]}readArrayLength(){return this.arrayLengths[this.arrayLengthsCursor++]}readObjectEntry(e){let r=this.objectEntries[e],o=r.refs[r.cursor++],l=r.dict[o];return l===0?null:{key:this.objectKeys[l>>8],type:l&255}}readBytes(e){return this.bytes.subarray(this.pos,this.pos+=e)}readTypeIndex(e,r,o){let l=0,n=0,f=0;for(;r>0;)r&1&&(l|=f<<(n++<<2)),f++,r>>=1;let i=new Uint8Array(e),c=32-Math.clz32(n-1),s=(1<<c)-1,a=this.readBytes(Math.ceil(c*e/8)),h=0,N=0,d=0;for(let _=0;_<e;_++){d<c&&(N|=a[h++]<<d,d+=8);let u=l>>((N&s)<<2)&15;i[_]=o?1<<u:u,N>>=c,d-=c}return i}readVlq(){let e=this.view.getUint8(this.pos);if(!(e&1))e=e>>1,this.pos+=1;else if(!(e&2))e=this.view.getUint8(this.pos+1)<<6|e>>2,this.pos+=2;else if(!(e&4))e=this.view.getUint16(this.pos+1,!0)<<5|e>>3,this.pos+=3;else{let r=this.view.getUint32(this.pos,!0);e=r>>>3&re,this.pos+=4,r>>>31&&(e+=this.readUintVar()*(1<<28))}return e}readUintVar(){let e=this.view.getUint8(this.pos++),r=e&127,o=128;for(;e&128;)e=this.view.getUint8(this.pos++),r+=(e&127)*o,o*=128;return r}readIntVar(){let e=this.view.getUint8(this.pos++),r=e&128?this.readUintVar()*64:0,o=(e&127)>>1;return e&1?-(o+r):o+r}readUint8(){let e=this.view.getUint8(this.pos);return this.pos++,e}readInt8(){let e=this.view.getInt8(this.pos);return this.pos++,e}readUint16(){let e=this.view.getUint16(this.pos,!0);return this.pos+=2,e}readInt16(){let e=this.view.getInt16(this.pos,!0);return this.pos+=2,e}readUint24(){let e=this.view.getUint16(this.pos,!0)|this.view.getUint8(this.pos+2)<<16;return this.pos+=3,e}readInt24(){let e=this.view.getUint16(this.pos,!0),r=this.view.getUint8(this.pos+2),o=r&128?(r<<16|e)-16777216:r<<16|e;return this.pos+=3,o}readUint32(){let e=this.view.getUint32(this.pos,!0);return this.pos+=4,e}readInt32(){let e=this.view.getInt32(this.pos,!0);return this.pos+=4,e}readFloat32(){let e=this.view.getFloat32(this.pos,!0);return this.pos+=4,e}readFloat64(){let e=this.view.getFloat64(this.pos,!0);return this.pos+=8,e}readNumber(e){switch(e){case y:return this.readUint8();case U:return this.readUint16();case H:return this.readUint24();case K:return this.readUint32();case z:return this.readUintVar();case D:return this.readInt8();case L:return this.readInt16();case B:return this.readInt24();case P:return this.readInt32();case G:return this.readIntVar();case Q:return this.readFloat32();case W:return this.readFloat64()}}readNumericArrayEncoding(){let e=this.readUint8();switch(e&15){case R:case E:case j:case v:e|=this.readUint8()<<8;break}return e}readNumericArray(e=this.readVlq()){if(e===0)return[];let r=this.readNumericArrayEncoding();return this.readNumbers(r,e)}readNumbers(e,r,o){return ct(this,e,r,o)}};function kt(t,e){function r(i={}){let c=0,s;for(;s=n.readObjectEntry(c++);)i[s.key]=l(s.type);return i}function o(i=n.readArrayLength()){if(i===0)return[];let c=n.readArrayHeader(),s=c>>16,a=c&65535,h=s&1,N=s>>5&1,d=s>>9&1,_=s>>1&255|(s&1)<<4,u=new Array(i),T=k[_]>1?n.readTypeIndex(i,_,!0):null;if(_&Fe)if(T===null)switch(_){case V:u.fill(null);break;case F:u.fill(!0);break;case q:u.fill(!1);break}else for(let I=0;I<i;I++)switch(T[I]){case V:u[I]=null;break;case F:u[I]=!0;break;case q:u[I]=!1;break}if(_&Y)for(let I=0;I<i;I++)(T===null||T[I]===Y)&&(u[I]=n.readString());if(_&g)if(_===g)n.readNumbers(a,i,u);else{let I=ce(T,g),x=n.readNumbers(a,I);for(let p=0,A=0;p<i;p++)T[p]===g&&(u[p]=x[A++])}if(_&w)if(d){let I=_===w?i:ce(T,w),x=n.readNumericArray(I),p=o();for(let A=0,Ne=0,$=0;A<i;A++)(T===null||T[A]===w)&&(u[A]=p.slice($,$+=x[Ne++]))}else for(let I=0;I<i;I++)(T===null||T[I]===w)&&(u[I]=o());if(_&b){let I=_===b?u:[];for(let x=0,p=0;x<i;x++)(T===null||T[x]===b)&&(u[x]=I[p++]={});if(N){let x=n.readVlq(),p=new Array(x);for(let A=0;A<x;A++)p[A]=n.readString();for(let A=0;A<x;A++){let Ne=p[A],$=o(I.length);for(let ee=0;ee<I.length;ee++)$[ee]!==void 0&&(I[ee][Ne]=$[ee])}}if(h)for(let x=0;x<I.length;x++)r(I[x])}return u}function l(i){switch(1<<(i&7)){case V:return null;case Y:return n.readString();case g:return n.readNumber(i>>3);case b:return r();case F:return!0;case q:return!1;case w:return o()}}let n=new _e(t,e),f=l(n.readUint8());if(n.pos!==t.byteLength)throw new Error("End of input is not reached");return f}export{ie as Writer,Ee as createWriterBackend,kt as decode,yt as encode,Ut as isHeaderAcceptable,at as isVersionSupported,we as parseHeader};