{ 130 
-        print(index)
131 130 
         currIndex = index
132 131 
         _hasGetPrice.accept(false)
133 132 
         itemViewModel.item.accept(_items.value[index])

+ 15 - 12
PaiAi/PaiaiUIKit/Reusable/UIKit/NavigationController/NavigationController.swift
Просмотреть файл 

@@ -11,10 +11,10 @@ import UIKit
11 11 
 public class NavigationController: UINavigationController {
12 12
13 13 
     private var operation: Operation = .none
14 
-    private var barConfigures: [UIViewController?: NavigationBarConfiguration] = [:]
14 
+    private var barConfigures = [UIViewController: NavigationBarConfiguration]()
15 15
16 
-    private var _fromFakeBar = UIToolbar()
17 
-    private var _toFakeBar = UIToolbar()
16 
+    private var _fromFakeBar: UIToolbar? = nil
17 
+    private var _toFakeBar: UIToolbar? = nil
18 18
19 19 
     override public init(rootViewController: UIViewController) {
20 20 
         super.init(navigationBarClass: NavigationBar.classForCoder(), toolbarClass: nil)
 
@@ -73,24 +73,27 @@ fileprivate extension NavigationController {
73 73 
     func setFromFakeNavigationBar(for from: UIViewController) {
74 74 
         if let navBarFrame = from.getFakeBarFrame(for: navigationBar) {
75 75 
             _fromFakeBar = UIToolbar(configure: barConfigures[from] ?? .default)
76 
-            _fromFakeBar.delegate = self
77 
-            _fromFakeBar.frame = navBarFrame
78 
-            from.view.addSubview(_fromFakeBar)
76 
+            _fromFakeBar?.delegate = self
77 
+            _fromFakeBar?.frame = navBarFrame
78 
+            from.view.addSubview(_fromFakeBar!)
79 79 
         }
80 80 
     }
81 81
82 82 
     func setToFakeNavigationBar(for to: UIViewController) {
83 83 
         if let navBarFrame = to.getFakeBarFrame(for: navigationBar) {
84 84 
             _toFakeBar = UIToolbar(configure: barConfigures[to] ?? .default)
85 
-            _toFakeBar.delegate = self
86 
-            _toFakeBar.frame = navBarFrame
87 
-            to.view.addSubview(_toFakeBar)
85 
+            _toFakeBar?.delegate = self
86 
+            _toFakeBar?.frame = navBarFrame
87 
+            to.view.addSubview(_toFakeBar!)
88 88 
         }
89 89 
     }
90 90
91 91 
     func clearFake() {
92 
-        _fromFakeBar.removeFromSuperview()
93 
-        _toFakeBar.removeFromSuperview()
92 
+        _fromFakeBar?.removeFromSuperview()
93 
+        _toFakeBar?.removeFromSuperview()
94 
+
95 
+        _fromFakeBar = nil
96 
+        _toFakeBar = nil
94 97
95 98 
         guard let from = transitionCoordinator?.viewController(forKey: .from),
96 99 
             operation == .pop else { return }
 
@@ -130,7 +133,7 @@ extension NavigationController: UINavigationControllerDelegate {
130 133 
                 vc = context.viewController(forKey: .to)
131 134 
             }
132 135 
             self.navigationBar.getBarBackground()?.alpha = 1
133 
-            self.navigationBar.apply(for: self.barConfigures[vc] ?? .default)
136 
+            self.navigationBar.apply(for: self.barConfigures[vc!] ?? .default)
134 137 
             self.clearFake()
135 138 
         })
136 139 
     }

+ 0 - 1
PaiAi/Paiai_iOS/App/AppCoordinator.swift
Просмотреть файл 

@@ -23,7 +23,6 @@ public final class AppCoordinator: BaseCoordinator<Void> {
23 23 
     public init(window: UIWindow) {
24 24 
         self.window = window
25 25 
         self.containerViewController = ContainerViewController()
26 
-
27 26 
         super.init(navigationController: NavigationController(rootViewController: containerViewController),
28 27 
                    viewController: containerViewController)
29 28 
     }

+ 5 - 0
PaiAi/Paiai_iOS/App/Group/GroupViewController.swift
Просмотреть файл 

@@ -82,6 +82,11 @@ final class GroupViewController: UIViewController {
82 82 
         collectionView.startRefreshing(at: .top)
83 83 
     }
84 84
85 
+    override func removeFromParent() {
86 
+        super.removeFromParent()
87 
+        print(self)
88 
+    }
89 
+
85 90 
     deinit {
86 91 
         collectionView.removeAllPullToRefresh()
87 92 
     }

+ 1 - 1
PaiAi/Paiai_iOS/App/Home/HomeCoordinator.swift
Просмотреть файл 

@@ -29,7 +29,7 @@ class HomeCoordinator: BaseCoordinator<Void> {
29 29 
     @discardableResult
30 30 
     override func start() -> Observable<Void> {
31 31 
         homeViewController.viewModel.delegate = self
32 
-
32 
+        deallocatedDispose.dispose()
33 33 
         return Observable.never()
34 34 
     }
35 35 
 }

+ 17 - 25
PaiAi/Paiai_iOS/App/Home/HomeViewController.swift
Просмотреть файл 

@@ -10,7 +10,7 @@ import RxCocoa
10 10 
 import RxDataSources
11 11 
 import PaiaiDataKit
12 12 
 import PaiaiUIKit
13 
-import PullToRefresh
13 
+import ESPullToRefresh
14 14
15 15 
 final class HomeViewController: UIViewController {
16 16 
 
@@ -20,22 +20,14 @@ final class HomeViewController: UIViewController {
20 20 
     // MARK: data property
21 21 
     fileprivate let disposeBag = DisposeBag()
22 22
23 
-    internal var viewModel: HomeViewModel!
24 
-    internal var userInfoViewModel: UserInfoViewModel!
23 
+    var viewModel: HomeViewModel!
24 
+    var userInfoViewModel: UserInfoViewModel!
25 25
26 26 
     override func viewDidLoad() {
27 27 
         super.viewDidLoad()
28 28 
         initalize()
29 29 
     }
30 30
31 
-    override func viewDidAppear(_ animated: Bool) {
32 
-        super.viewDidAppear(animated)
33 
-    }
34 
-
35 
-    override func viewDidDisappear(_ animated: Bool) {
36 
-        super.viewDidDisappear(animated)
37 
-    }
38 
-
39 31 
     func initalize() {
40 32 
         collectionView.register(UINib(nibName: "PhotoCell",
41 33 
                                       bundle: Bundle(identifier: "com.Paiai-iOS")),
 
@@ -51,22 +43,22 @@ final class HomeViewController: UIViewController {
51 43 
     }
52 44
53 45 
     private func setupReloadControl() {
54 
-        collectionView.addPullToRefresh(PullToRefresh()) {
46 
+        collectionView.es.addPullToRefresh {
55 47 
             [unowned self] in
56 48 
             self.viewModel.reload()
57 49 
         }
58 50 
     }
59 51
60 52 
     private func setupLoadingControl() {
61 
-        collectionView.addPullToRefresh(PullToRefresh(position: .bottom)) {
62 
-            [weak self] in
63 
-            guard let `self` = self else { return }
53 
+        collectionView.es.addInfiniteScrolling {
54 
+            [unowned self] in
64 55 
             self.viewModel.preload()
65 56 
         }
66 57 
     }
67 58
68 59 
     deinit {
69 
-        collectionView.removeAllPullToRefresh()
60 
+        collectionView.es.removeRefreshFooter()
61 
+        collectionView.es.removeRefreshHeader()
70 62 
     }
71 63 
 }
72 64 
 
@@ -100,11 +92,12 @@ fileprivate extension HomeViewController {
100 92 
     func bindViewModelToRefreshing() {
101 93 
         viewModel.isLoading
102 94 
             .asDriver(onErrorJustReturn: true)
103 
-            .drive(onNext: {[unowned self] flag in
95 
+            .drive(onNext: {[weak self] flag in
96 
+                guard let `self` = self else { return }
104 97 
                 if flag {
105 
-                    self.collectionView.endRefreshing(at: .top)
98 
+                    self.collectionView.es.stopPullToRefresh()
106 99 
                 } else {
107 
-                    self.collectionView.endRefreshing(at: .bottom)
100 
+                    self.collectionView.es.stopLoadingMore()
108 101 
                 }
109 102 
             }).disposed(by: disposeBag)
110 103 
     }
 
@@ -114,12 +107,11 @@ fileprivate extension HomeViewController {
114 107 
     }
115 108
116 109 
     func bindUserInfoViewModelToView() {
117 
-        userInfoViewModel.isLoggedIn
118 
-            .asDriver(onErrorJustReturn: ())
119 
-            .drive(onNext: {[unowned self] _ in
120 
-                self.viewModel.clear()
121 
-                self.collectionView.startRefreshing(at: .top)
122 
-            }).disposed(by: disposeBag)
110 
+        userInfoViewModel.isLoggedIn.subscribe({[weak self] _ in
111 
+            guard let `self` = self else { return }
112 
+            self.viewModel.clear()
113 
+            self.collectionView.startRefreshing(at: .top)
114 
+        }).disposed(by: disposeBag)
123 115 
     }
124 116
125 117 
     func bindViewModelToCollectionView() {

+ 1 - 0
PaiAi/Paiai_iOS/App/Message/MessageCoordinator.swift
Просмотреть файл 

@@ -22,6 +22,7 @@ class MessageCoordinator: BaseCoordinator<Void> {
22 22
23 23 
     override func start() -> Observable<Void> {
24 24 
         messageViewController.viewModel.delegate = self
25 
+        deallocatedDispose.dispose()
25 26 
         return Observable.never()
26 27 
     }
27 28 
 }

+ 14 - 4
PaiAi/Paiai_iOS/App/Mine/MineAboutViewController.swift
Просмотреть файл 

@@ -7,8 +7,8 @@
7 7 
 //
8 8
9 9 
 import UIKit
10 
-import PaiaiDataKit
11 10 
 import PaiaiUIKit
11 
+
12 12 
 import RxSwift
13 13
14 14 
 final class MineAboutViewController: UIViewController {
 
@@ -30,6 +30,15 @@ final class MineAboutViewController: UIViewController {
30 30 
         versionLabel.text = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String
31 31 
         bindGestures()
32 32 
     }
33 
+
34 
+    override func viewDidDisappear(_ animated: Bool) {
35 
+        super.viewDidDisappear(animated)
36 
+
37 
+    }
38 
+
39 
+    deinit {
40 
+        print("deinit")
41 
+    }
33 42 
 }
34 43
35 44 
 fileprivate extension MineAboutViewController {
 
@@ -42,7 +51,7 @@ fileprivate extension MineAboutViewController {
42 51 
     func bindGestureToContactUsAction() {
43 52 
         contactUsBtn.rx.tap
44 53 
             .asObservable()
45 
-            .subscribe { (_) in
54 
+            .subscribe { [unowned self] _ in
46 55 
                 let webVC = WebViewController(title: "联系我们",
47 56 
                                               path: "https://pai.ai/page/contact_us")
48 57 
                 self.navigationController?.pushViewController(webVC)
 
@@ -52,7 +61,7 @@ fileprivate extension MineAboutViewController {
52 61 
     func bindGestureToScoreAction() {
53 62 
         scoreBtn.rx.tap
54 63 
             .asObservable()
55 
-            .subscribe { (_) in
64 
+            .subscribe {  _ in
56 65 
                 guard let url = URL(string: "https://itunes.apple.com/cn/app/pai-aipaiai/id1163960351?mt=8") else {
57 66 
                     return
58 67 
                 }
 
@@ -63,7 +72,7 @@ fileprivate extension MineAboutViewController {
63 72 
     func bindGestureToUserAgreementAction() {
64 73 
         userAgreementBtn.rx.tap
65 74 
             .asObservable()
66 
-            .subscribe { (_) in
75 
+            .subscribe { [unowned self] _ in
67 76 
                 let webVC = WebViewController(title: "用户协议",
68 77 
                                               path: "https://pai.ai/page/user_agreement")
69 78 
                 self.navigationController?.pushViewController(webVC)
 
@@ -78,3 +87,4 @@ extension MineAboutViewController: Storyboarded {
78 87 
         return UIStoryboard.mine.instantiateViewController(type: MineAboutViewController.self)
79 88 
     }
80 89 
 }
90 
+

+ 5 - 7
PaiAi/Paiai_iOS/App/Mine/MineCoordinator.swift
Просмотреть файл 

@@ -25,8 +25,6 @@ class MineCoordinator: BaseCoordinator<Void> {
25 25 
         mineViewController.delegate = self
26 26 
         return didCancel
27 27 
     }
28 
-
29 
-    override func listenDeallocate() {}
30 28 
 }
31 29
32 30 
 extension MineCoordinator: MineViewControllerDelegate {
 
@@ -46,7 +44,7 @@ extension MineCoordinator: MineViewControllerDelegate {
46 44
47 45 
     func didSelect(_ item: MineItem) {
48 46 
         mineViewController.dismissController()
49 
-
47 
+        deallocatedDispose.dispose()
50 48 
         let vc: UIViewController
51 49 
         switch item {
52 50 
         case .group:
 
@@ -58,8 +56,8 @@ extension MineCoordinator: MineViewControllerDelegate {
58 56 
         case .about:
59 57 
             vc = makeMineAboutViewController()
60 58 
         }
61 
-
62 
-        vc.rx.deallocated.subscribe(onNext: { _ in
59 
+
60 
+        vc.rx.deallocating.subscribe(onNext: { _ in
63 61 
             self.didCancel.onNext(())
64 62 
         }).disposed(by: disposeBag)
65 63 
     }
 
@@ -103,8 +101,8 @@ fileprivate extension MineCoordinator {
103 101
104 102 
     func makeMineAboutViewController() -> MineAboutViewController {
105 103 
         let vc = MineAboutViewController.instantiate()
106 
-        navigationController.pushViewController(vc)
107 
-
104 
+        navigationController.pushViewController(vc, animated: true)
105 
+        print(navigationController)
108 106 
         return vc
109 107 
     }
110 108

+ 10 - 11
PaiAi/Paiai_iOS/Reusable/BaseCoordinator.swift
Просмотреть файл 

@@ -7,7 +7,7 @@
7 7 
 //
8 8
9 9 
 import RxSwift
10 
-import Foundation
10 
+import UIKit
11 11
12 12 
 public class BaseCoordinator<ResultType> {
13 13 
 
@@ -15,6 +15,7 @@ public class BaseCoordinator<ResultType> {
15 15
16 16 
     let disposeBag = DisposeBag()
17 17 
     var didCancel = PublishSubject<Void>()
18 
+    var deallocatedDispose = Disposables.create()
18 19 
     var navigationController: UINavigationController
19 20 
     var viewController: UIViewController
20 21 
 
@@ -25,7 +26,13 @@ public class BaseCoordinator<ResultType> {
25 26 
     init(navigationController: UINavigationController, viewController: UIViewController) {
26 27 
         self.viewController = viewController
27 28 
         self.navigationController = navigationController
28 
-        listenDeallocate()
29 
+
30 
+        deallocatedDispose = viewController.rx.viewDidDisappear.subscribe(onNext: {[weak self] _ in
31 
+            guard let `self` = self else { return }
32 
+            if !self.navigationController.viewControllers.contains(viewController) {
33 
+                self.didCancel.onNext(())
34 
+            }
35 
+        })
29 36 
     }
30 37
31 38 
     private func store<T>(coordinator: BaseCoordinator<T>) {
 
@@ -33,6 +40,7 @@ public class BaseCoordinator<ResultType> {
33 40 
     }
34 41
35 42 
     private func free<T>(coordinator: BaseCoordinator<T>) {
43 
+        print(coordinator)
36 44 
         childCoordinators[coordinator.identifier] = nil
37 45 
     }
38 46 
 
@@ -48,13 +56,4 @@ public class BaseCoordinator<ResultType> {
48 56 
     func start() -> Observable<ResultType> {
49 57 
         fatalError("Start method should be implemented.")
50 58 
     }
51 
-
52 
-    func listenDeallocate() {
53 
-        navigationController.rx.willShow.subscribe(onNext: {[weak self] (_, _) in
54 
-            guard let `self` = self else { return }
55 
-            if !self.navigationController.viewControllers.contains(self.viewController) {
56 
-                self.didCancel.onNext(())
57 
-            }
58 
-        }).disposed(by: disposeBag)
59 
-    }
60 59 
 }

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tokenize.js 22KB
文件历史 原始文件 

    var Marker = require('./marker');
var Token = require('./token');

var formatPosition = require('../utils/format-position');

var Level = {
  BLOCK: 'block',
  COMMENT: 'comment',
  DOUBLE_QUOTE: 'double-quote',
  RULE: 'rule',
  SINGLE_QUOTE: 'single-quote'
};

var AT_RULES = [
  '@charset',
  '@import'
];

var BLOCK_RULES = [
  '@-moz-document',
  '@document',
  '@-moz-keyframes',
  '@-ms-keyframes',
  '@-o-keyframes',
  '@-webkit-keyframes',
  '@keyframes',
  '@media',
  '@supports'
];

var PAGE_MARGIN_BOXES = [
  '@bottom-center',
  '@bottom-left',
  '@bottom-left-corner',
  '@bottom-right',
  '@bottom-right-corner',
  '@left-bottom',
  '@left-middle',
  '@left-top',
  '@right-bottom',
  '@right-middle',
  '@right-top',
  '@top-center',
  '@top-left',
  '@top-left-corner',
  '@top-right',
  '@top-right-corner'
];

var EXTRA_PAGE_BOXES = [
  '@footnote',
  '@footnotes',
  '@left',
  '@page-float-bottom',
  '@page-float-top',
  '@right'
];

var REPEAT_PATTERN = /^\[\s{0,31}\d+\s{0,31}\]$/;
var RULE_WORD_SEPARATOR_PATTERN = /[\s\(]/;
var TAIL_BROKEN_VALUE_PATTERN = /[\s|\}]*$/;

function tokenize(source, externalContext) {
  var internalContext = {
    level: Level.BLOCK,
    position: {
      source: externalContext.source || undefined,
      line: 1,
      column: 0,
      index: 0
    }
  };

  return intoTokens(source, externalContext, internalContext, false);
}

function intoTokens(source, externalContext, internalContext, isNested) {
  var allTokens = [];
  var newTokens = allTokens;
  var lastToken;
  var ruleToken;
  var ruleTokens = [];
  var propertyToken;
  var metadata;
  var metadatas = [];
  var level = internalContext.level;
  var levels = [];
  var buffer = [];
  var buffers = [];
  var serializedBuffer;
  var roundBracketLevel = 0;
  var isQuoted;
  var isSpace;
  var isNewLineNix;
  var isNewLineWin;
  var isCommentStart;
  var wasCommentStart = false;
  var isCommentEnd;
  var wasCommentEnd = false;
  var isCommentEndMarker;
  var isEscaped;
  var wasEscaped = false;
  var seekingValue = false;
  var seekingPropertyBlockClosing = false;
  var position = internalContext.position;

  for (; position.index < source.length; position.index++) {
    var character = source[position.index];

    isQuoted = level == Level.SINGLE_QUOTE || level == Level.DOUBLE_QUOTE;
    isSpace = character == Marker.SPACE || character == Marker.TAB;
    isNewLineNix = character == Marker.NEW_LINE_NIX;
    isNewLineWin = character == Marker.NEW_LINE_NIX && source[position.index - 1] == Marker.NEW_LINE_WIN;
    isCommentStart = !wasCommentEnd && level != Level.COMMENT && !isQuoted && character == Marker.ASTERISK && source[position.index - 1] == Marker.FORWARD_SLASH;
    isCommentEndMarker = !wasCommentStart && !isQuoted && character == Marker.FORWARD_SLASH && source[position.index - 1] == Marker.ASTERISK;
    isCommentEnd = level == Level.COMMENT && isCommentEndMarker;
    roundBracketLevel = Math.max(roundBracketLevel, 0);

    metadata = buffer.length === 0 ?
      [position.line, position.column, position.source] :
      metadata;

    if (isEscaped) {
      // previous character was a backslash
      buffer.push(character);
    } else if (!isCommentEnd && level == Level.COMMENT) {
      buffer.push(character);
    } else if (isCommentStart && (level == Level.BLOCK || level == Level.RULE) && buffer.length > 1) {
      // comment start within block preceded by some content, e.g. div/*<--
      metadatas.push(metadata);
      buffer.push(character);
      buffers.push(buffer.slice(0, buffer.length - 2));

      buffer = buffer.slice(buffer.length - 2);
      metadata = [position.line, position.column - 1, position.source];

      levels.push(level);
      level = Level.COMMENT;
    } else if (isCommentStart) {
      // comment start, e.g. /*<--
      levels.push(level);
      level = Level.COMMENT;
      buffer.push(character);
    } else if (isCommentEnd) {
      // comment end, e.g. /* comment */<--
      serializedBuffer = buffer.join('').trim() + character;
      lastToken = [Token.COMMENT, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]];
      newTokens.push(lastToken);

      level = levels.pop();
      metadata = metadatas.pop() || null;
      buffer = buffers.pop() || [];
    } else if (isCommentEndMarker && source[position.index + 1] != Marker.ASTERISK) {
      externalContext.warnings.push('Unexpected \'*/\' at ' + formatPosition([position.line, position.column, position.source]) + '.');
      buffer = [];
    } else if (character == Marker.SINGLE_QUOTE && !isQuoted) {
      // single quotation start, e.g. a[href^='https<--
      levels.push(level);
      level = Level.SINGLE_QUOTE;
      buffer.push(character);
    } else if (character == Marker.SINGLE_QUOTE && level == Level.SINGLE_QUOTE) {
      // single quotation end, e.g. a[href^='https'<--
      level = levels.pop();
      buffer.push(character);
    } else if (character == Marker.DOUBLE_QUOTE && !isQuoted) {
      // double quotation start, e.g. a[href^="<--
      levels.push(level);
      level = Level.DOUBLE_QUOTE;
      buffer.push(character);
    } else if (character == Marker.DOUBLE_QUOTE && level == Level.DOUBLE_QUOTE) {
      // double quotation end, e.g. a[href^="https"<--
      level = levels.pop();
      buffer.push(character);
    } else if (!isCommentStart && !isCommentEnd && character != Marker.CLOSE_ROUND_BRACKET && character != Marker.OPEN_ROUND_BRACKET && level != Level.COMMENT && !isQuoted && roundBracketLevel > 0) {
      // character inside any function, e.g. hsla(.<--
      buffer.push(character);
    } else if (character == Marker.OPEN_ROUND_BRACKET && !isQuoted && level != Level.COMMENT && !seekingValue) {
      // round open bracket, e.g. @import url(<--
      buffer.push(character);

      roundBracketLevel++;
    } else if (character == Marker.CLOSE_ROUND_BRACKET && !isQuoted && level != Level.COMMENT && !seekingValue) {
      // round open bracket, e.g. @import url(test.css)<--
      buffer.push(character);

      roundBracketLevel--;
    } else if (character == Marker.SEMICOLON && level == Level.BLOCK && buffer[0] == Marker.AT) {
      // semicolon ending rule at block level, e.g. @import '...';<--
      serializedBuffer = buffer.join('').trim();
      allTokens.push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);

      buffer = [];
    } else if (character == Marker.COMMA && level == Level.BLOCK && ruleToken) {
      // comma separator at block level, e.g. a,div,<--
      serializedBuffer = buffer.join('').trim();
      ruleToken[1].push([tokenScopeFrom(ruleToken[0]), serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext, ruleToken[1].length)]]);

      buffer = [];
    } else if (character == Marker.COMMA && level == Level.BLOCK && tokenTypeFrom(buffer) == Token.AT_RULE) {
      // comma separator at block level, e.g. @import url(...) screen,<--
      // keep iterating as end semicolon will create the token
      buffer.push(character);
    } else if (character == Marker.COMMA && level == Level.BLOCK) {
      // comma separator at block level, e.g. a,<--
      ruleToken = [tokenTypeFrom(buffer), [], []];
      serializedBuffer = buffer.join('').trim();
      ruleToken[1].push([tokenScopeFrom(ruleToken[0]), serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext, 0)]]);

      buffer = [];
    } else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.BLOCK && ruleToken && ruleToken[0] == Token.NESTED_BLOCK) {
      // open brace opening at-rule at block level, e.g. @media{<--
      serializedBuffer = buffer.join('').trim();
      ruleToken[1].push([Token.NESTED_BLOCK_SCOPE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);
      allTokens.push(ruleToken);

      levels.push(level);
      position.column++;
      position.index++;
      buffer = [];

      ruleToken[2] = intoTokens(source, externalContext, internalContext, true);
      ruleToken = null;
    } else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.BLOCK && tokenTypeFrom(buffer) == Token.NESTED_BLOCK) {
      // open brace opening at-rule at block level, e.g. @media{<--
      serializedBuffer = buffer.join('').trim();
      ruleToken = ruleToken || [Token.NESTED_BLOCK, [], []];
      ruleToken[1].push([Token.NESTED_BLOCK_SCOPE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);
      allTokens.push(ruleToken);

      levels.push(level);
      position.column++;
      position.index++;
      buffer = [];

      ruleToken[2] = intoTokens(source, externalContext, internalContext, true);
      ruleToken = null;
    } else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.BLOCK) {
      // open brace opening rule at block level, e.g. div{<--
      serializedBuffer = buffer.join('').trim();
      ruleToken = ruleToken || [tokenTypeFrom(buffer), [], []];
      ruleToken[1].push([tokenScopeFrom(ruleToken[0]), serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext, ruleToken[1].length)]]);
      newTokens = ruleToken[2];
      allTokens.push(ruleToken);

      levels.push(level);
      level = Level.RULE;
      buffer = [];
    } else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.RULE && seekingValue) {
      // open brace opening rule at rule level, e.g. div{--variable:{<--
      ruleTokens.push(ruleToken);
      ruleToken = [Token.PROPERTY_BLOCK, []];
      propertyToken.push(ruleToken);
      newTokens = ruleToken[1];

      levels.push(level);
      level = Level.RULE;
      seekingValue = false;
    } else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.RULE && isPageMarginBox(buffer)) {
      // open brace opening page-margin box at rule level, e.g. @page{@top-center{<--
      serializedBuffer = buffer.join('').trim();
      ruleTokens.push(ruleToken);
      ruleToken = [Token.AT_RULE_BLOCK, [], []];
      ruleToken[1].push([Token.AT_RULE_BLOCK_SCOPE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);
      newTokens.push(ruleToken);
      newTokens = ruleToken[2];

      levels.push(level);
      level = Level.RULE;
      buffer = [];
    } else if (character == Marker.COLON && level == Level.RULE && !seekingValue) {
      // colon at rule level, e.g. a{color:<--
      serializedBuffer = buffer.join('').trim();
      propertyToken = [Token.PROPERTY, [Token.PROPERTY_NAME, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]];
      newTokens.push(propertyToken);

      seekingValue = true;
      buffer = [];
    } else if (character == Marker.SEMICOLON && level == Level.RULE && propertyToken && ruleTokens.length > 0 && buffer.length > 0 && buffer[0] == Marker.AT) {
      // semicolon at rule level for at-rule, e.g. a{--color:{@apply(--other-color);<--
      serializedBuffer = buffer.join('').trim();
      ruleToken[1].push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);

      buffer = [];
    } else if (character == Marker.SEMICOLON && level == Level.RULE && propertyToken && buffer.length > 0) {
      // semicolon at rule level, e.g. a{color:red;<--
      serializedBuffer = buffer.join('').trim();
      propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);

      propertyToken = null;
      seekingValue = false;
      buffer = [];
    } else if (character == Marker.SEMICOLON && level == Level.RULE && propertyToken && buffer.length === 0) {
      // semicolon after bracketed value at rule level, e.g. a{color:rgb(...);<--
      propertyToken = null;
      seekingValue = false;
    } else if (character == Marker.SEMICOLON && level == Level.RULE && buffer.length > 0 && buffer[0] == Marker.AT) {
      // semicolon for at-rule at rule level, e.g. a{@apply(--variable);<--
      serializedBuffer = buffer.join('');
      newTokens.push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);

      seekingValue = false;
      buffer = [];
    } else if (character == Marker.SEMICOLON && level == Level.RULE && seekingPropertyBlockClosing) {
      // close brace after a property block at rule level, e.g. a{--custom:{color:red;};<--
      seekingPropertyBlockClosing = false;
      buffer = [];
    } else if (character == Marker.SEMICOLON && level == Level.RULE && buffer.length === 0) {
      // stray semicolon at rule level, e.g. a{;<--
      // noop
    } else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && propertyToken && seekingValue && buffer.length > 0 && ruleTokens.length > 0) {
      // close brace at rule level, e.g. a{--color:{color:red}<--
      serializedBuffer = buffer.join('');
      propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);
      propertyToken = null;
      ruleToken = ruleTokens.pop();
      newTokens = ruleToken[2];

      level = levels.pop();
      seekingValue = false;
      buffer = [];
    } else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && propertyToken && buffer.length > 0 && buffer[0] == Marker.AT && ruleTokens.length > 0) {
      // close brace at rule level for at-rule, e.g. a{--color:{@apply(--other-color)}<--
      serializedBuffer = buffer.join('');
      ruleToken[1].push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);
      propertyToken = null;
      ruleToken = ruleTokens.pop();
      newTokens = ruleToken[2];

      level = levels.pop();
      seekingValue = false;
      buffer = [];
    } else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && propertyToken && ruleTokens.length > 0) {
      // close brace at rule level after space, e.g. a{--color:{color:red }<--
      propertyToken = null;
      ruleToken = ruleTokens.pop();
      newTokens = ruleToken[2];

      level = levels.pop();
      seekingValue = false;
    } else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && propertyToken && buffer.length > 0) {
      // close brace at rule level, e.g. a{color:red}<--
      serializedBuffer = buffer.join('');
      propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);
      propertyToken = null;
      ruleToken = ruleTokens.pop();
      newTokens = allTokens;

      level = levels.pop();
      seekingValue = false;
      buffer = [];
    } else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && buffer.length > 0 && buffer[0] == Marker.AT) {
      // close brace after at-rule at rule level, e.g. a{@apply(--variable)}<--
      propertyToken = null;
      ruleToken = null;
      serializedBuffer = buffer.join('').trim();
      newTokens.push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);
      newTokens = allTokens;

      level = levels.pop();
      seekingValue = false;
      buffer = [];
    } else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && levels[levels.length - 1] == Level.RULE) {
      // close brace after a property block at rule level, e.g. a{--custom:{color:red;}<--
      propertyToken = null;
      ruleToken = ruleTokens.pop();
      newTokens = ruleToken[2];

      level = levels.pop();
      seekingValue = false;
      seekingPropertyBlockClosing = true;
      buffer = [];
    } else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE) {
      // close brace after a rule, e.g. a{color:red;}<--
      propertyToken = null;
      ruleToken = null;
      newTokens = allTokens;

      level = levels.pop();
      seekingValue = false;
    } else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.BLOCK && !isNested && position.index <= source.length - 1) {
      // stray close brace at block level, e.g. a{color:red}color:blue}<--
      externalContext.warnings.push('Unexpected \'}\' at ' + formatPosition([position.line, position.column, position.source]) + '.');
      buffer.push(character);
    } else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.BLOCK) {
      // close brace at block level, e.g. @media screen {...}<--
      break;
    } else if (character == Marker.OPEN_ROUND_BRACKET && level == Level.RULE && seekingValue) {
      // round open bracket, e.g. a{color:hsla(<--
      buffer.push(character);
      roundBracketLevel++;
    } else if (character == Marker.CLOSE_ROUND_BRACKET && level == Level.RULE && seekingValue && roundBracketLevel == 1) {
      // round close bracket, e.g. a{color:hsla(0,0%,0%)<--
      buffer.push(character);
      serializedBuffer = buffer.join('').trim();
      propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);

      roundBracketLevel--;
      buffer = [];
    } else if (character == Marker.CLOSE_ROUND_BRACKET && level == Level.RULE && seekingValue) {
      // round close bracket within other brackets, e.g. a{width:calc((10rem / 2)<--
      buffer.push(character);
      roundBracketLevel--;
    } else if (character == Marker.FORWARD_SLASH && source[position.index + 1] != Marker.ASTERISK && level == Level.RULE && seekingValue && buffer.length > 0) {
      // forward slash within a property, e.g. a{background:url(image.png) 0 0/<--
      serializedBuffer = buffer.join('').trim();
      propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);
      propertyToken.push([Token.PROPERTY_VALUE, character, [[position.line, position.column, position.source]]]);

      buffer = [];
    } else if (character == Marker.FORWARD_SLASH && source[position.index + 1] != Marker.ASTERISK && level == Level.RULE && seekingValue) {
      // forward slash within a property after space, e.g. a{background:url(image.png) 0 0 /<--
      propertyToken.push([Token.PROPERTY_VALUE, character, [[position.line, position.column, position.source]]]);

      buffer = [];
    } else if (character == Marker.COMMA && level == Level.RULE && seekingValue && buffer.length > 0) {
      // comma within a property, e.g. a{background:url(image.png),<--
      serializedBuffer = buffer.join('').trim();
      propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);
      propertyToken.push([Token.PROPERTY_VALUE, character, [[position.line, position.column, position.source]]]);

      buffer = [];
    } else if (character == Marker.COMMA && level == Level.RULE && seekingValue) {
      // comma within a property after space, e.g. a{background:url(image.png) ,<--
      propertyToken.push([Token.PROPERTY_VALUE, character, [[position.line, position.column, position.source]]]);

      buffer = [];
    } else if (character == Marker.CLOSE_SQUARE_BRACKET && propertyToken && propertyToken.length > 1 && buffer.length > 0 && isRepeatToken(buffer)) {
      buffer.push(character);
      serializedBuffer = buffer.join('').trim();
      propertyToken[propertyToken.length - 1][1] += serializedBuffer;

      buffer = [];
    } else if ((isSpace || (isNewLineNix && !isNewLineWin)) && level == Level.RULE && seekingValue && propertyToken && buffer.length > 0) {
      // space or *nix newline within property, e.g. a{margin:0 <--
      serializedBuffer = buffer.join('').trim();
      propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);

      buffer = [];
    } else if (isNewLineWin && level == Level.RULE && seekingValue && propertyToken && buffer.length > 1) {
      // win newline within property, e.g. a{margin:0\r\n<--
      serializedBuffer = buffer.join('').trim();
      propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);

      buffer = [];
    } else if (isNewLineWin && level == Level.RULE && seekingValue) {
      // win newline
      buffer = [];
    } else if (buffer.length == 1 && isNewLineWin) {
      // ignore windows newline which is composed of two characters
      buffer.pop();
    } else if (buffer.length > 0 || !isSpace && !isNewLineNix && !isNewLineWin) {
      // any character
      buffer.push(character);
    }

    wasEscaped = isEscaped;
    isEscaped = !wasEscaped && character == Marker.BACK_SLASH;
    wasCommentStart = isCommentStart;
    wasCommentEnd = isCommentEnd;

    position.line = (isNewLineWin || isNewLineNix) ? position.line + 1 : position.line;
    position.column = (isNewLineWin || isNewLineNix) ? 0 : position.column + 1;
  }

  if (seekingValue) {
    externalContext.warnings.push('Missing \'}\' at ' + formatPosition([position.line, position.column, position.source]) + '.');
  }

  if (seekingValue && buffer.length > 0) {
    serializedBuffer = buffer.join('').replace(TAIL_BROKEN_VALUE_PATTERN, '');
    propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]);

    buffer = [];
  }

  if (buffer.length > 0) {
    externalContext.warnings.push('Invalid character(s) \'' + buffer.join('') + '\' at ' + formatPosition(metadata) + '. Ignoring.');
  }

  return allTokens;
}

function originalMetadata(metadata, value, externalContext, selectorFallbacks) {
  var source = metadata[2];

  return externalContext.inputSourceMapTracker.isTracking(source) ?
    externalContext.inputSourceMapTracker.originalPositionFor(metadata, value.length, selectorFallbacks) :
    metadata;
}

function tokenTypeFrom(buffer) {
  var isAtRule = buffer[0] == Marker.AT || buffer[0] == Marker.UNDERSCORE;
  var ruleWord = buffer.join('').split(RULE_WORD_SEPARATOR_PATTERN)[0];

  if (isAtRule && BLOCK_RULES.indexOf(ruleWord) > -1) {
    return Token.NESTED_BLOCK;
  } else if (isAtRule && AT_RULES.indexOf(ruleWord) > -1) {
    return Token.AT_RULE;
  } else if (isAtRule) {
    return Token.AT_RULE_BLOCK;
  } else {
    return Token.RULE;
  }
}

function tokenScopeFrom(tokenType) {
  if (tokenType == Token.RULE) {
    return Token.RULE_SCOPE;
  } else if (tokenType == Token.NESTED_BLOCK) {
    return Token.NESTED_BLOCK_SCOPE;
  } else if (tokenType == Token.AT_RULE_BLOCK) {
    return Token.AT_RULE_BLOCK_SCOPE;
  }
}

function isPageMarginBox(buffer) {
  var serializedBuffer = buffer.join('').trim();

  return PAGE_MARGIN_BOXES.indexOf(serializedBuffer) > -1 || EXTRA_PAGE_BOXES.indexOf(serializedBuffer) > -1;
}

function isRepeatToken(buffer) {
  return REPEAT_PATTERN.test(buffer.join('') + Marker.CLOSE_SQUARE_BRACKET);
}

module.exports = tokenize;