function parseAllAtCommands()

in packages/cli/src/ui/hooks/atCommandProcessor.ts [46:106]
50 lines of code
14 McCabe index (conditional complexity)

function parseAllAtCommands(query: string): AtCommandPart[] {
  const parts: AtCommandPart[] = [];
  let currentIndex = 0;

  while (currentIndex < query.length) {
    let atIndex = -1;
    let nextSearchIndex = currentIndex;
    // Find next unescaped '@'
    while (nextSearchIndex < query.length) {
      if (
        query[nextSearchIndex] === '@' &&
        (nextSearchIndex === 0 || query[nextSearchIndex - 1] !== '\\')
      ) {
        atIndex = nextSearchIndex;
        break;
      }
      nextSearchIndex++;
    }

    if (atIndex === -1) {
      // No more @
      if (currentIndex < query.length) {
        parts.push({ type: 'text', content: query.substring(currentIndex) });
      }
      break;
    }

    // Add text before @
    if (atIndex > currentIndex) {
      parts.push({
        type: 'text',
        content: query.substring(currentIndex, atIndex),
      });
    }

    // Parse @path
    let pathEndIndex = atIndex + 1;
    let inEscape = false;
    while (pathEndIndex < query.length) {
      const char = query[pathEndIndex];
      if (inEscape) {
        inEscape = false;
      } else if (char === '\\') {
        inEscape = true;
      } else if (/\s/.test(char)) {
        // Path ends at first whitespace not escaped
        break;
      }
      pathEndIndex++;
    }
    const rawAtPath = query.substring(atIndex, pathEndIndex);
    // unescapePath expects the @ symbol to be present, and will handle it.
    const atPath = unescapePath(rawAtPath);
    parts.push({ type: 'atPath', content: atPath });
    currentIndex = pathEndIndex;
  }
  // Filter out empty text parts that might result from consecutive @paths or leading/trailing spaces
  return parts.filter(
    (part) => !(part.type === 'text' && part.content.trim() === ''),
  );
}