linkPodspec function

void linkPodspec(String pluginName, List<String> moduleLibs, { String baseDir = '.', List<ModuleInfo>? moduleInfos, })

Implementation

void linkPodspec(
  String pluginName,
  List<String> moduleLibs, {
  String baseDir = '.',
  List<ModuleInfo>? moduleInfos,
}) {
  final nitroNativePath = resolveNitroNativePath(baseDir);
  final podspecFile = File(p.join(baseDir, 'ios', '$pluginName.podspec'));
  if (!podspecFile.existsSync()) return;
  var content = podspecFile.readAsStringSync();
  bool modified = false;
  // Normalize source_files to 'Classes/**/*'.
  // Flutter's SPM-first template generates paths like '<plugin>/Sources/<plugin>/**/*'
  // which point to non-existent directories when CocoaPods is the build system,
  // causing "No files found matching ..." warnings and empty pod targets.
  final sourceFilesMatch = RegExp(r"s\.source_files\s*=\s*'([^']+)'").firstMatch(content);
  if (sourceFilesMatch != null && sourceFilesMatch.group(1) != 'Classes/**/*') {
    final badPath = sourceFilesMatch.group(1)!;
    // Fix any non-Classes path. Flutter's SPM-first template generates paths like
    // '<plugin>/Sources/<plugin>/**/*'; for SPM-layout plugins the first directory
    // segment exists on disk even though the glob matches nothing, so we cannot
    // rely on existsSync() to detect the bad path — always normalize.
    final firstSegment = badPath.split('/').first;
    if (firstSegment != 'Classes') {
      content = content.replaceFirst(
        sourceFilesMatch.group(0)!,
        "s.source_files = 'Classes/**/*'",
      );
      modified = true;
    }
  }
  if (!content.contains("s.swift_version = '${BuildVersions.podSwiftVersion}'")) {
    content = content.replaceFirst(
      RegExp(r"s\.swift_version\s*=\s*'.+?'"),
      "s.swift_version = '${BuildVersions.podSwiftVersion}'",
    );
    modified = true;
  }
  if (!content.contains("s.platform = :ios, '${BuildVersions.iosDeployment}.0'")) {
    content = content.replaceFirst(
      RegExp(r"s\.platform\s*=\s*:ios,\s*'.+?'"),
      "s.platform = :ios, '${BuildVersions.iosDeployment}.0'",
    );
    modified = true;
  }
  final xcResult = _patchApplePodspecXcconfig(content, isMacos: false);
  content = xcResult.content;
  if (xcResult.modified) modified = true;
  // Sync generated Swift bridges into ios/Classes/ so Xcode can compile them
  // in the same module scope as the plugin's other Swift files.
  // Using a podspec source_files glob to ../lib/src/generated/swift/ does NOT
  // reliably work — types defined there are not always in scope for Classes/ files.
  if (modified) podspecFile.writeAsStringSync(content);
  createSharedHeaders(nitroNativePath, baseDir: baseDir);
  final classesDir = Directory(p.join(baseDir, 'ios', 'Classes'))..createSync(recursive: true);
  File(
    p.join(classesDir.path, 'dart_api_dl.c'),
  ).writeAsStringSync(classesDartApiDlForwarder);
  syncBridgeFiles(baseDir);
  _copySwiftBridgesToClasses(classesDir, baseDir);
  // Remove the outer lib/src/generated/swift glob from the podspec if present,
  // since the bridge is now copied directly into Classes/ (avoids duplicate symbols).
  _removeSwiftGlobFromPodspec(podspecFile);

  // Link the main project source files.
  final cppInSrc = File(p.join(baseDir, 'src', '$pluginName.cpp'));
  if (cppInSrc.existsSync()) {
    cleanRedundantIncludes(cppInSrc);
    File(p.join(classesDir.path, '$pluginName.cpp')).writeAsStringSync(
      managedCppForwarder('../../src/$pluginName.cpp'),
    );
  }
  final cInSrc = File(p.join(baseDir, 'src', '$pluginName.c'));
  if (cInSrc.existsSync()) {
    cleanRedundantIncludes(cInSrc);
    File(
      p.join(classesDir.path, '$pluginName.c'),
    ).writeAsStringSync(classesCForwarder(pluginName));
  }

  // Link C++ module implementation files for iOS.
  // On Android each module is a separate .so via CMake. On iOS everything is
  // compiled into one pod binary, so only ios:NativeImpl.cpp modules need
  // a Hybrid*.cpp forwarder in ios/Classes/.
  // Windows-only or macos-only C++ modules must NOT get a forwarder here.
  _writeAppleModuleForwarders(moduleInfos, classesDir, baseDir, isIosCppModule);

  ensureIosPackageSwift(pluginName, baseDir: baseDir, moduleInfos: moduleInfos);

  // Re-affirm the correct ../../src/ relative paths AFTER ensureIosPackageSwift,
  // which may write forwarders into Sources/NitroPubTestCpp/ with ../../../src/.
  // These are two different files, but belt-and-suspenders: always end with the
  // definitive Classes/ versions so a stale copy can never win.
  File(
    p.join(classesDir.path, 'dart_api_dl.c'),
  ).writeAsStringSync(classesDartApiDlForwarder);
  if (cppInSrc.existsSync()) {
    File(p.join(classesDir.path, '$pluginName.cpp')).writeAsStringSync(
      managedCppForwarder('../../src/$pluginName.cpp'),
    );
  }
  if (cInSrc.existsSync()) {
    File(
      p.join(classesDir.path, '$pluginName.c'),
    ).writeAsStringSync(classesCForwarder(pluginName));
  }
}