joywayer
35216f75e7
Complete room UI and protocol integration, move game definitions and resources behind bundle entries, publish authoritative version XML, and document single-game builds. Include all current resource changes and experiment artifacts.
29 lines
1.8 KiB
JavaScript
29 lines
1.8 KiB
JavaScript
'use strict';
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// Shared by Cocos runtime and the build extension: one parser for the native contract.
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const {DOMParser}=require('@xmldom/xmldom');
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function parseVersionManifest(xml){
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const fail=message=>{throw Error('version.xml: '+message);};
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if(typeof xml!=='string'||!xml.trim())fail('empty document');
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if(/<!DOCTYPE|<!ENTITY/i.test(xml))fail('DTD and entity declarations are unsupported');
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let doc;
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try {doc=new DOMParser({onError:(_level,message)=>fail(message)}).parseFromString(xml,'text/xml');}
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catch(error){fail(error.message);}
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const root=doc.documentElement;
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if(!root||root.tagName!=='game'||root.namespaceURI)fail('expected game root');
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const fields={};
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for(let child=root.firstChild;child;child=child.nextSibling){
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if(child.nodeType===3&&!child.nodeValue.trim()||child.nodeType===8)continue;
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if(child.nodeType!==1||!['agent','game','channel','version'].includes(child.tagName)||child.namespaceURI)fail('unexpected child');
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if(fields[child.tagName])fail('duplicate '+child.tagName);
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fields[child.tagName]=child;
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for(let nested=child.firstChild;nested;nested=nested.nextSibling){if(nested.nodeType!==3||nested.nodeValue.trim())fail('unexpected nested content');}
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}
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const attr=(tag,name)=>{const node=fields[tag];if(!node)fail('missing '+tag);const value=node.getAttribute(name);if(value===null||!value.trim())fail('missing '+tag+'@'+name);return value;};
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const code=attr('version','value');
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if(!/^\d+$/.test(code)||!Number.isSafeInteger(Number(code)))fail('version@value must be a nonnegative safe integer');
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return Object.freeze({agentid:attr('agent','id'),agentName:attr('agent','name'),
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gameid:attr('game','id'),gameName:attr('game','name'),channelid:attr('channel','id'),channelName:attr('channel','name'),
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versionCode:Number(code),version:attr('version','name')});
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}
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exports.parseVersionManifest=parseVersionManifest;
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