flatgeobuf/lib/mjs/flat-geobuf/geometry.js

A performant binary encoding for geographic data

import*as t from"flatbuffers";import{GeometryType as e}from"../flat-geobuf/geometry-type.js";export class Geometry{bb=null;bb_pos=0;__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRootAsGeometry(t,e){return(e||new Geometry).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRootAsGeometry(e,s){return e.setPosition(e.position()+t.SIZE_PREFIX_LENGTH),(s||new Geometry).__init(e.readInt32(e.position())+e.position(),e)}ends(t){let e=this.bb.__offset(this.bb_pos,4);return e?this.bb.readUint32(this.bb.__vector(this.bb_pos+e)+4*t):0}endsLength(){let t=this.bb.__offset(this.bb_pos,4);return t?this.bb.__vector_len(this.bb_pos+t):0}endsArray(){let t=this.bb.__offset(this.bb_pos,4);return t?new Uint32Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}xy(t){let e=this.bb.__offset(this.bb_pos,6);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}xyLength(){let t=this.bb.__offset(this.bb_pos,6);return t?this.bb.__vector_len(this.bb_pos+t):0}xyArray(){let t=this.bb.__offset(this.bb_pos,6);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}z(t){let e=this.bb.__offset(this.bb_pos,8);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}zLength(){let t=this.bb.__offset(this.bb_pos,8);return t?this.bb.__vector_len(this.bb_pos+t):0}zArray(){let t=this.bb.__offset(this.bb_pos,8);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}m(t){let e=this.bb.__offset(this.bb_pos,10);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}mLength(){let t=this.bb.__offset(this.bb_pos,10);return t?this.bb.__vector_len(this.bb_pos+t):0}mArray(){let t=this.bb.__offset(this.bb_pos,10);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}t(t){let e=this.bb.__offset(this.bb_pos,12);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}tLength(){let t=this.bb.__offset(this.bb_pos,12);return t?this.bb.__vector_len(this.bb_pos+t):0}tArray(){let t=this.bb.__offset(this.bb_pos,12);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}tm(t){let e=this.bb.__offset(this.bb_pos,14);return e?this.bb.readUint64(this.bb.__vector(this.bb_pos+e)+8*t):BigInt(0)}tmLength(){let t=this.bb.__offset(this.bb_pos,14);return t?this.bb.__vector_len(this.bb_pos+t):0}type(){let t=this.bb.__offset(this.bb_pos,16);return t?this.bb.readUint8(this.bb_pos+t):e.Unknown}parts(t,e){let s=this.bb.__offset(this.bb_pos,18);return s?(e||new Geometry).__init(this.bb.__indirect(this.bb.__vector(this.bb_pos+s)+4*t),this.bb):null}partsLength(){let t=this.bb.__offset(this.bb_pos,18);return t?this.bb.__vector_len(this.bb_pos+t):0}static startGeometry(t){t.startObject(8)}static addEnds(t,e){t.addFieldOffset(0,e,0)}static createEndsVector(t,e){t.startVector(4,e.length,4);for(let s=e.length-1;s>=0;s--)t.addInt32(e[s]);return t.endVector()}static startEndsVector(t,e){t.startVector(4,e,4)}static addXy(t,e){t.addFieldOffset(1,e,0)}static createXyVector(t,e){t.startVector(8,e.length,8);for(let s=e.length-1;s>=0;s--)t.addFloat64(e[s]);return t.endVector()}static startXyVector(t,e){t.startVector(8,e,8)}static addZ(t,e){t.addFieldOffset(2,e,0)}static createZVector(t,e){t.startVector(8,e.length,8);for(let s=e.length-1;s>=0;s--)t.addFloat64(e[s]);return t.endVector()}static startZVector(t,e){t.startVector(8,e,8)}static addM(t,e){t.addFieldOffset(3,e,0)}static createMVector(t,e){t.startVector(8,e.length,8);for(let s=e.length-1;s>=0;s--)t.addFloat64(e[s]);return t.endVector()}static startMVector(t,e){t.startVector(8,e,8)}static addT(t,e){t.addFieldOffset(4,e,0)}static createTVector(t,e){t.startVector(8,e.length,8);for(let s=e.length-1;s>=0;s--)t.addFloat64(e[s]);return t.endVector()}static startTVector(t,e){t.startVector(8,e,8)}static addTm(t,e){t.addFieldOffset(5,e,0)}static createTmVector(t,e){t.startVector(8,e.length,8);for(let s=e.length-1;s>=0;s--)t.addInt64(e[s]);return t.endVector()}static startTmVector(t,e){t.startVector(8,e,8)}static addType(t,s){t.addFieldInt8(6,s,e.Unknown)}static addParts(t,e){t.addFieldOffset(7,e,0)}static createPartsVector(t,e){t.startVector(4,e.length,4);for(let s=e.length-1;s>=0;s--)t.addOffset(e[s]);return t.endVector()}static startPartsVector(t,e){t.startVector(4,e,4)}static endGeometry(t){return t.endObject()}static createGeometry(t,e,s,b,r,o,i,_,h){return Geometry.startGeometry(t),Geometry.addEnds(t,e),Geometry.addXy(t,s),Geometry.addZ(t,b),Geometry.addM(t,r),Geometry.addT(t,o),Geometry.addTm(t,i),Geometry.addType(t,_),Geometry.addParts(t,h),Geometry.endGeometry(t)}}
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