@iabtechlabtcf/core/lib/cjs/encoder/field/PurposeRestrictionVectorEncoder.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.PurposeRestrictionVectorEncoder=void 0;var BitLength_js_1=require("../BitLength.js"),BooleanEncoder_js_1=require("./BooleanEncoder.js"),index_js_1=require("../../errors/index.js"),IntEncoder_js_1=require("./IntEncoder.js"),index_js_2=require("../../model/index.js"),PurposeRestrictionVectorEncoder=function(){function e(){}return e.encode=function(e){var n=IntEncoder_js_1.IntEncoder.encode(e.numRestrictions,BitLength_js_1.BitLength.numRestrictions);if(!e.isEmpty()){var t=function(n,t){for(var r=n+1;r<=t;r++)if(e.gvl.vendorIds.has(r))return r;return n};e.getRestrictions().forEach((function(r){n+=IntEncoder_js_1.IntEncoder.encode(r.purposeId,BitLength_js_1.BitLength.purposeId),n+=IntEncoder_js_1.IntEncoder.encode(r.restrictionType,BitLength_js_1.BitLength.restrictionType);for(var o=e.getVendors(r),i=o.length,s=0,d=0,_="",c=0;c<i;c++){var B=o[c];if(0===d&&(s++,d=B),c===i-1||o[c+1]>t(B,o[i-1])){var g=!(B===d);_+=BooleanEncoder_js_1.BooleanEncoder.encode(g),_+=IntEncoder_js_1.IntEncoder.encode(d,BitLength_js_1.BitLength.vendorId),g&&(_+=IntEncoder_js_1.IntEncoder.encode(B,BitLength_js_1.BitLength.vendorId)),d=0}}n+=IntEncoder_js_1.IntEncoder.encode(s,BitLength_js_1.BitLength.numEntries),n+=_}))}return n},e.decode=function(e){var n=0,t=new index_js_2.PurposeRestrictionVector,r=IntEncoder_js_1.IntEncoder.decode(e.substr(n,BitLength_js_1.BitLength.numRestrictions),BitLength_js_1.BitLength.numRestrictions);n+=BitLength_js_1.BitLength.numRestrictions;for(var o=0;o<r;o++){var i=IntEncoder_js_1.IntEncoder.decode(e.substr(n,BitLength_js_1.BitLength.purposeId),BitLength_js_1.BitLength.purposeId);n+=BitLength_js_1.BitLength.purposeId;var s=IntEncoder_js_1.IntEncoder.decode(e.substr(n,BitLength_js_1.BitLength.restrictionType),BitLength_js_1.BitLength.restrictionType);n+=BitLength_js_1.BitLength.restrictionType;var d=new index_js_2.PurposeRestriction(i,s),_=IntEncoder_js_1.IntEncoder.decode(e.substr(n,BitLength_js_1.BitLength.numEntries),BitLength_js_1.BitLength.numEntries);n+=BitLength_js_1.BitLength.numEntries;for(var c=0;c<_;c++){var B=BooleanEncoder_js_1.BooleanEncoder.decode(e.substr(n,BitLength_js_1.BitLength.anyBoolean));n+=BitLength_js_1.BitLength.anyBoolean;var g=IntEncoder_js_1.IntEncoder.decode(e.substr(n,BitLength_js_1.BitLength.vendorId),BitLength_js_1.BitLength.vendorId);if(n+=BitLength_js_1.BitLength.vendorId,B){var h=IntEncoder_js_1.IntEncoder.decode(e.substr(n,BitLength_js_1.BitLength.vendorId),BitLength_js_1.BitLength.vendorId);if(n+=BitLength_js_1.BitLength.vendorId,h<g)throw new index_js_1.DecodingError("Invalid RangeEntry: endVendorId ".concat(h," is less than ").concat(g));for(var L=g;L<=h;L++)t.add(L,d)}else t.add(g,d)}}return t.bitLength=n,t},e}();exports.PurposeRestrictionVectorEncoder=PurposeRestrictionVectorEncoder;