@iabtcf/core/lib/cjs/encoder/field/VendorVectorEncoder.js

Ensures consistent encoding and decoding of TC Signals for the iab. Transparency and Consent Framework (TCF).

"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.VendorVectorEncoder=void 0;var index_js_1=require("../../model/index.js"),index_js_2=require("../index.js"),IntEncoder_js_1=require("./IntEncoder.js"),BooleanEncoder_js_1=require("./BooleanEncoder.js"),FixedVectorEncoder_js_1=require("./FixedVectorEncoder.js"),VectorEncodingType_js_1=require("./VectorEncodingType.js"),index_js_3=require("../../errors/index.js"),VendorVectorEncoder=function(){function e(){}return e.encode=function(e){var n,d=[],r=[],t=IntEncoder_js_1.IntEncoder.encode(e.maxId,index_js_2.BitLength.maxId),o="",i=index_js_2.BitLength.maxId+index_js_2.BitLength.encodingType,_=i+e.maxId,s=2*index_js_2.BitLength.vendorId+index_js_2.BitLength.singleOrRange+index_js_2.BitLength.numEntries,c=i+index_js_2.BitLength.numEntries;return e.forEach((function(t,i){(o+=BooleanEncoder_js_1.BooleanEncoder.encode(t),(n=e.maxId>s&&c<_)&&t)&&(e.has(i+1)?0===r.length&&(r.push(i),c+=index_js_2.BitLength.singleOrRange,c+=index_js_2.BitLength.vendorId):(r.push(i),c+=index_js_2.BitLength.vendorId,d.push(r),r=[]))})),n?(t+=String(VectorEncodingType_js_1.VectorEncodingType.RANGE),t+=this.buildRangeEncoding(d)):(t+=String(VectorEncodingType_js_1.VectorEncodingType.FIELD),t+=o),t},e.decode=function(e,n){var d,r=0,t=IntEncoder_js_1.IntEncoder.decode(e.substr(r,index_js_2.BitLength.maxId),index_js_2.BitLength.maxId);r+=index_js_2.BitLength.maxId;var o=IntEncoder_js_1.IntEncoder.decode(e.charAt(r),index_js_2.BitLength.encodingType);if(r+=index_js_2.BitLength.encodingType,o===VectorEncodingType_js_1.VectorEncodingType.RANGE){if(d=new index_js_1.Vector,1===n){if("1"===e.substr(r,1))throw new index_js_3.DecodingError("Unable to decode default consent=1");r++}var i=IntEncoder_js_1.IntEncoder.decode(e.substr(r,index_js_2.BitLength.numEntries),index_js_2.BitLength.numEntries);r+=index_js_2.BitLength.numEntries;for(var _=0;_<i;_++){var s=BooleanEncoder_js_1.BooleanEncoder.decode(e.charAt(r));r+=index_js_2.BitLength.singleOrRange;var c=IntEncoder_js_1.IntEncoder.decode(e.substr(r,index_js_2.BitLength.vendorId),index_js_2.BitLength.vendorId);if(r+=index_js_2.BitLength.vendorId,s){var j=IntEncoder_js_1.IntEncoder.decode(e.substr(r,index_js_2.BitLength.vendorId),index_js_2.BitLength.vendorId);r+=index_js_2.BitLength.vendorId;for(var E=c;E<=j;E++)d.set(E)}else d.set(c)}}else{var g=e.substr(r,t);r+=t,d=FixedVectorEncoder_js_1.FixedVectorEncoder.decode(g,t)}return d.bitLength=r,d},e.buildRangeEncoding=function(e){var n=e.length,d=IntEncoder_js_1.IntEncoder.encode(n,index_js_2.BitLength.numEntries);return e.forEach((function(e){var n=1===e.length;d+=BooleanEncoder_js_1.BooleanEncoder.encode(!n),d+=IntEncoder_js_1.IntEncoder.encode(e[0],index_js_2.BitLength.vendorId),n||(d+=IntEncoder_js_1.IntEncoder.encode(e[1],index_js_2.BitLength.vendorId))})),d},e}();exports.VendorVectorEncoder=VendorVectorEncoder;