Function parseXcuserstateBuffer

src/utils/nskeyedarchiver-parser.ts:180–238

(buffer: Buffer)

 * @returns Extracted scheme and simulator information
 */
export function parseXcuserstateBuffer(buffer: Buffer): XcodeStateResult {
  const result: XcodeStateResult = {};

  try {
    const [root] = bplistParseBuffer(buffer) as [BplistResult];

    if (!root || root.$archiver !== 'NSKeyedArchiver' || !Array.isArray(root.$objects)) {
      return result;
    }

    const objects = root.$objects;

    const activeSchemeIdx = findStringIndex(objects, 'ActiveScheme');
    const activeRunDestIdx = findStringIndex(objects, 'ActiveRunDestination');
    const ideNameStringIdx = findStringIndex(objects, 'IDENameString');
    const targetDeviceLocationIdx = findStringIndex(objects, 'targetDeviceLocation');

    if (activeSchemeIdx === -1 && activeRunDestIdx === -1) {
      return result;
    }

    const parentDict = findDictWithKey(objects, activeSchemeIdx);
    if (!parentDict) {
      return result;
    }

    if (activeSchemeIdx !== -1 && ideNameStringIdx !== -1) {
      const schemeObj = getValueForKey(objects, parentDict, activeSchemeIdx);
      if (typeof schemeObj === 'object' && schemeObj !== null) {
        const schemeDict = schemeObj as ArchivedDict;
        const schemeName = getValueForKey(objects, schemeDict, ideNameStringIdx);
        if (typeof schemeName === 'string') {
          result.scheme = schemeName;
        }
      }
    }

    if (activeRunDestIdx !== -1 && targetDeviceLocationIdx !== -1) {
      const destObj = getValueForKey(objects, parentDict, activeRunDestIdx);
      if (typeof destObj === 'object' && destObj !== null) {
        const destDict = destObj as ArchivedDict;
        const location = getValueForKey(objects, destDict, targetDeviceLocationIdx);
        if (typeof location === 'string') {
          result.deviceLocation = location;

          const match = location.match(/dvtdevice-([a-z]+):([A-F0-9-]{36})/i);
          if (match) {
            result.simulatorPlatform = match[1];
            result.simulatorId = match[2];
          }
        }
      }
    }
  } catch (error) {
    console.error('Failed to parse xcuserstate buffer:', error);
  }

  return result;