14 files changed, 611 insertions, 477 deletions

diff --git a/src/shared/SettingData.ts b/src/shared/SettingData.ts
index 14a7d35..532570e 100644
--- a/src/shared/SettingData.ts
+++ b/src/shared/SettingData.ts
@@ -1,15 +1,19 @@
 import * as operations from './operations';
-import Settings, * as settings from './Settings';
+import Settings, { DefaultSettingJSONText } from './settings/Settings';
+import Keymaps from './settings/Keymaps';
+import Search from './settings/Search';
+import Properties from './settings/Properties';
+import Blacklist from './settings/Blacklist';
 
 export class FormKeymaps {
-  private data: {[op: string]: string};
+  private readonly data: {[op: string]: string};
 
-  constructor(data: {[op: string]: string}) {
+  private constructor(data: {[op: string]: string}) {
     this.data = data;
   }
 
-  toKeymaps(): settings.Keymaps {
-    let keymaps: settings.Keymaps = {};
+  toKeymaps(): Keymaps {
+    let keymaps: { [key: string]: operations.Operation } = {};
     for (let name of Object.keys(this.data)) {
       let [type, argStr] = name.split('?');
       let args = {};
@@ -19,7 +23,7 @@ export class FormKeymaps {
       let key = this.data[name];
       keymaps[key] = operations.valueOf({ type, ...args });
     }
-    return keymaps;
+    return Keymaps.fromJSON(keymaps);
   }
 
   toJSON(): {[op: string]: string} {
@@ -34,7 +38,7 @@ export class FormKeymaps {
     return new FormKeymaps(newData);
   }
 
-  static valueOf(o: ReturnType<FormKeymaps['toJSON']>): FormKeymaps {
+  static fromJSON(o: ReturnType<FormKeymaps['toJSON']>): FormKeymaps {
     let data: {[op: string]: string} = {};
     for (let op of Object.keys(o)) {
       data[op] = o[op] as string;
@@ -42,10 +46,11 @@ export class FormKeymaps {
     return new FormKeymaps(data);
   }
 
-  static fromKeymaps(keymaps: settings.Keymaps): FormKeymaps {
+  static fromKeymaps(keymaps: Keymaps): FormKeymaps {
+    let json = keymaps.toJSON();
     let data: {[op: string]: string} = {};
-    for (let key of Object.keys(keymaps)) {
-      let op = keymaps[key];
+    for (let key of Object.keys(json)) {
+      let op = json[key];
       let args = { ...op };
       delete args.type;
 
@@ -60,24 +65,21 @@ export class FormKeymaps {
 }
 
 export class FormSearch {
-  private default: string;
+  private readonly default: string;
 
-  private engines: string[][];
+  private readonly engines: string[][];
 
   constructor(defaultEngine: string, engines: string[][]) {
     this.default = defaultEngine;
     this.engines = engines;
   }
 
-  toSearchSettings(): settings.Search {
-    return {
-      default: this.default,
-      engines: this.engines.reduce(
-        (o: {[key: string]: string}, [name, url]) => {
-          o[name] = url;
-          return o;
-        }, {}),
-    };
+  toSearchSettings(): Search {
+    let engines: { [name: string]: string } = {};
+    for (let entry of this.engines) {
+      engines[entry[0]] = entry[1];
+    }
+    return new Search(this.default, engines);
   }
 
   toJSON(): {
@@ -90,7 +92,7 @@ export class FormSearch {
     };
   }
 
-  static valueOf(o: ReturnType<FormSearch['toJSON']>): FormSearch {
+  static fromJSON(o: ReturnType<FormSearch['toJSON']>): FormSearch {
     if (!Object.prototype.hasOwnProperty.call(o, 'default')) {
       throw new TypeError(`"default" field not set`);
     }
@@ -100,53 +102,58 @@ export class FormSearch {
     return new FormSearch(o.default, o.engines);
   }
 
-  static fromSearch(search: settings.Search): FormSearch {
+  static fromSearch(search: Search): FormSearch {
     let engines = Object.entries(search.engines).reduce(
       (o: string[][], [name, url]) => {
         return o.concat([[name, url]]);
       }, []);
-    return new FormSearch(search.default, engines);
+    return new FormSearch(search.defaultEngine, engines);
   }
 }
 
-export class JSONSettings {
-  private json: string;
-
-  constructor(json: any) {
-    this.json = json;
+export class JSONTextSettings {
+  constructor(
+    private json: string,
+  ) {
   }
 
   toSettings(): Settings {
-    return settings.valueOf(JSON.parse(this.json));
+    return Settings.fromJSON(JSON.parse(this.json));
   }
 
-  toJSON(): string {
+  toJSONText(): string {
     return this.json;
   }
 
-  static valueOf(o: ReturnType<JSONSettings['toJSON']>): JSONSettings {
-    return new JSONSettings(o);
+  static fromText(o: string): JSONTextSettings {
+    return new JSONTextSettings(o);
   }
 
-  static fromSettings(data: Settings): JSONSettings {
-    return new JSONSettings(JSON.stringify(data, undefined, 2));
+  static fromSettings(data: Settings): JSONTextSettings {
+    let json = {
+      keymaps: data.keymaps.toJSON(),
+      search: data.search,
+      properties: data.properties,
+      blacklist: data.blacklist,
+    };
+    return new JSONTextSettings(JSON.stringify(json, undefined, 2));
   }
 }
 
 export class FormSettings {
-  private keymaps: FormKeymaps;
+  public readonly keymaps: FormKeymaps;
 
-  private search: FormSearch;
+  public readonly search: FormSearch;
 
-  private properties: settings.Properties;
+  public readonly properties: Properties;
 
-  private blacklist: string[];
+  public readonly blacklist: Blacklist;
 
   constructor(
     keymaps: FormKeymaps,
     search: FormSearch,
-    properties: settings.Properties,
-    blacklist: string[],
+    properties: Properties,
+    blacklist: Blacklist,
   ) {
     this.keymaps = keymaps;
     this.search = search;
@@ -172,7 +179,7 @@ export class FormSettings {
     );
   }
 
-  buildWithProperties(props: settings.Properties): FormSettings {
+  buildWithProperties(props: Properties): FormSettings {
     return new FormSettings(
       this.keymaps,
       this.search,
@@ -181,7 +188,7 @@ export class FormSettings {
     );
   }
 
-  buildWithBlacklist(blacklist: string[]): FormSettings {
+  buildWithBlacklist(blacklist: Blacklist): FormSettings {
     return new FormSettings(
       this.keymaps,
       this.search,
@@ -191,39 +198,39 @@ export class FormSettings {
   }
 
   toSettings(): Settings {
-    return settings.valueOf({
-      keymaps: this.keymaps.toKeymaps(),
-      search: this.search.toSearchSettings(),
-      properties: this.properties,
-      blacklist: this.blacklist,
+    return Settings.fromJSON({
+      keymaps: this.keymaps.toKeymaps().toJSON(),
+      search: this.search.toSearchSettings().toJSON(),
+      properties: this.properties.toJSON(),
+      blacklist: this.blacklist.toJSON(),
     });
   }
 
   toJSON(): {
     keymaps: ReturnType<FormKeymaps['toJSON']>;
     search: ReturnType<FormSearch['toJSON']>;
-    properties: settings.Properties;
-    blacklist: string[];
+    properties: ReturnType<Properties['toJSON']>;
+    blacklist: ReturnType<Blacklist['toJSON']>;
     } {
     return {
       keymaps: this.keymaps.toJSON(),
       search: this.search.toJSON(),
-      properties: this.properties,
-      blacklist: this.blacklist,
+      properties: this.properties.toJSON(),
+      blacklist: this.blacklist.toJSON(),
     };
   }
 
-  static valueOf(o: ReturnType<FormSettings['toJSON']>): FormSettings {
+  static fromJSON(o: ReturnType<FormSettings['toJSON']>): FormSettings {
     for (let name of ['keymaps', 'search', 'properties', 'blacklist']) {
       if (!Object.prototype.hasOwnProperty.call(o, name)) {
         throw new Error(`"${name}" field not set`);
       }
     }
     return new FormSettings(
-      FormKeymaps.valueOf(o.keymaps),
-      FormSearch.valueOf(o.search),
-      settings.propertiesValueOf(o.properties),
-      settings.blacklistValueOf(o.blacklist),
+      FormKeymaps.fromJSON(o.keymaps),
+      FormSearch.fromJSON(o.search),
+      Properties.fromJSON(o.properties),
+      Blacklist.fromJSON(o.blacklist),
     );
   }
 
@@ -244,7 +251,7 @@ export enum SettingSource {
 export default class SettingData {
   private source: SettingSource;
 
-  private json?: JSONSettings;
+  private json?: JSONTextSettings;
 
   private form?: FormSettings;
 
@@ -252,7 +259,7 @@ export default class SettingData {
     source, json, form
   }: {
     source: SettingSource,
-    json?: JSONSettings,
+    json?: JSONTextSettings,
     form?: FormSettings,
   }) {
     this.source = source;
@@ -264,7 +271,7 @@ export default class SettingData {
     return this.source;
   }
 
-  getJSON(): JSONSettings {
+  getJSON(): JSONTextSettings {
     if (!this.json) {
       throw new TypeError('json settings not set');
     }
@@ -283,7 +290,7 @@ export default class SettingData {
     case SettingSource.JSON:
       return {
         source: this.source,
-        json: (this.json as JSONSettings).toJSON(),
+        json: (this.json as JSONTextSettings).toJSONText(),
       };
     case SettingSource.Form:
       return {
@@ -304,7 +311,7 @@ export default class SettingData {
     throw new Error(`unknown settings source: ${this.source}`);
   }
 
-  static valueOf(o: {
+  static fromJSON(o: {
     source: string;
     json?: string;
     form?: ReturnType<FormSettings['toJSON']>;
@@ -313,13 +320,13 @@ export default class SettingData {
     case SettingSource.JSON:
       return new SettingData({
         source: o.source,
-        json: JSONSettings.valueOf(
-          o.json as ReturnType<JSONSettings['toJSON']>),
+        json: JSONTextSettings.fromText(
+          o.json as ReturnType<JSONTextSettings['toJSONText']>),
       });
     case SettingSource.Form:
       return new SettingData({
         source: o.source,
-        form: FormSettings.valueOf(
+        form: FormSettings.fromJSON(
           o.form as ReturnType<FormSettings['toJSON']>),
       });
     }
@@ -327,90 +334,7 @@ export default class SettingData {
   }
 }
 
-export const DefaultSettingData: SettingData = SettingData.valueOf({
+export const DefaultSettingData: SettingData = SettingData.fromJSON({
   source: 'json',
-  json: `{
-  "keymaps": {
-    "0": { "type": "scroll.home" },
-    ":": { "type": "command.show" },
-    "o": { "type": "command.show.open", "alter": false },
-    "O": { "type": "command.show.open", "alter": true },
-    "t": { "type": "command.show.tabopen", "alter": false },
-    "T": { "type": "command.show.tabopen", "alter": true },
-    "w": { "type": "command.show.winopen", "alter": false },
-    "W": { "type": "command.show.winopen", "alter": true },
-    "b": { "type": "command.show.buffer" },
-    "a": { "type": "command.show.addbookmark", "alter": true },
-    "k": { "type": "scroll.vertically", "count": -1 },
-    "j": { "type": "scroll.vertically", "count": 1 },
-    "h": { "type": "scroll.horizonally", "count": -1 },
-    "l": { "type": "scroll.horizonally", "count": 1 },
-    "<C-U>": { "type": "scroll.pages", "count": -0.5 },
-    "<C-D>": { "type": "scroll.pages", "count": 0.5 },
-    "<C-B>": { "type": "scroll.pages", "count": -1 },
-    "<C-F>": { "type": "scroll.pages", "count": 1 },
-    "gg": { "type": "scroll.top" },
-    "G": { "type": "scroll.bottom" },
-    "$": { "type": "scroll.end" },
-    "d": { "type": "tabs.close" },
-    "D": { "type": "tabs.close", "select": "left" },
-    "x$": { "type": "tabs.close.right" },
-    "!d": { "type": "tabs.close.force" },
-    "u": { "type": "tabs.reopen" },
-    "K": { "type": "tabs.prev" },
-    "J": { "type": "tabs.next" },
-    "gT": { "type": "tabs.prev" },
-    "gt": { "type": "tabs.next" },
-    "g0": { "type": "tabs.first" },
-    "g$": { "type": "tabs.last" },
-    "<C-6>": { "type": "tabs.prevsel" },
-    "r": { "type": "tabs.reload", "cache": false },
-    "R": { "type": "tabs.reload", "cache": true },
-    "zp": { "type": "tabs.pin.toggle" },
-    "zd": { "type": "tabs.duplicate" },
-    "zi": { "type": "zoom.in" },
-    "zo": { "type": "zoom.out" },
-    "zz": { "type": "zoom.neutral" },
-    "f": { "type": "follow.start", "newTab": false },
-    "F": { "type": "follow.start", "newTab": true, "background": false },
-    "m": { "type": "mark.set.prefix" },
-    "'": { "type": "mark.jump.prefix" },
-    "H": { "type": "navigate.history.prev" },
-    "L": { "type": "navigate.history.next" },
-    "[[": { "type": "navigate.link.prev" },
-    "]]": { "type": "navigate.link.next" },
-    "gu": { "type": "navigate.parent" },
-    "gU": { "type": "navigate.root" },
-    "gi": { "type": "focus.input" },
-    "gf": { "type": "page.source" },
-    "gh": { "type": "page.home" },
-    "gH": { "type": "page.home", "newTab": true },
-    "y": { "type": "urls.yank" },
-    "p": { "type": "urls.paste", "newTab": false },
-    "P": { "type": "urls.paste", "newTab": true },
-    "/": { "type": "find.start" },
-    "n": { "type": "find.next" },
-    "N": { "type": "find.prev" },
-    ".": { "type": "repeat.last" },
-    "<S-Esc>": { "type": "addon.toggle.enabled" }
-  },
-  "search": {
-    "default": "google",
-    "engines": {
-      "google": "https://google.com/search?q={}",
-      "yahoo": "https://search.yahoo.com/search?p={}",
-      "bing": "https://www.bing.com/search?q={}",
-      "duckduckgo": "https://duckduckgo.com/?q={}",
-      "twitter": "https://twitter.com/search?q={}",
-      "wikipedia": "https://en.wikipedia.org/w/index.php?search={}"
-    }
-  },
-  "properties": {
-    "hintchars": "abcdefghijklmnopqrstuvwxyz",
-    "smoothscroll": false,
-    "complete": "sbh"
-  },
-  "blacklist": [
-  ]
-}`,
+  json: DefaultSettingJSONText,
 });
diff --git a/src/shared/Settings.ts b/src/shared/Settings.ts
deleted file mode 100644
index d338e2a..0000000
--- a/src/shared/Settings.ts
+++ /dev/null
@@ -1,200 +0,0 @@
-import * as operations from './operations';
-import * as PropertyDefs from './property-defs';
-
-export type Keymaps = {[key: string]: operations.Operation};
-
-export interface Search {
-  default: string;
-  engines: { [key: string]: string };
-}
-
-export interface Properties {
-  hintchars: string;
-  smoothscroll: boolean;
-  complete: string;
-}
-
-export default interface Settings {
-  keymaps: Keymaps;
-  search: Search;
-  properties: Properties;
-  blacklist: string[];
-}
-
-export const keymapsValueOf = (o: any): Keymaps => {
-  return Object.keys(o).reduce((keymaps: Keymaps, key: string): Keymaps => {
-    let op = operations.valueOf(o[key]);
-    keymaps[key] = op;
-    return keymaps;
-  }, {});
-};
-
-export const searchValueOf = (o: any): Search => {
-  if (typeof o.default !== 'string') {
-    throw new TypeError('string field "default" not set"');
-  }
-  for (let name of Object.keys(o.engines)) {
-    if ((/\s/).test(name)) {
-      throw new TypeError(
-        `While space in the search engine not allowed: "${name}"`);
-    }
-    let url = o.engines[name];
-    if (typeof url !== 'string') {
-      throw new TypeError('"engines" not an object of string');
-    }
-    let matches = url.match(/{}/g);
-    if (matches === null) {
-      throw new TypeError(`No {}-placeholders in URL of "${name}"`);
-    } else if (matches.length > 1) {
-      throw new TypeError(`Multiple {}-placeholders in URL of "${name}"`);
-    }
-
-  }
-  if (!Object.prototype.hasOwnProperty.call(o.engines, o.default)) {
-    throw new TypeError(`Default engine "${o.default}" not found`);
-  }
-  return {
-    default: o.default as string,
-    engines: { ...o.engines },
-  };
-};
-
-export const propertiesValueOf = (o: any): Properties => {
-  let defNames = new Set(PropertyDefs.defs.map(def => def.name));
-  let unknownName = Object.keys(o).find(name => !defNames.has(name));
-  if (unknownName) {
-    throw new TypeError(`Unknown property name: "${unknownName}"`);
-  }
-
-  for (let def of PropertyDefs.defs) {
-    if (!Object.prototype.hasOwnProperty.call(o, def.name)) {
-      continue;
-    }
-    if (typeof o[def.name] !== def.type) {
-      throw new TypeError(`property "${def.name}" is not ${def.type}`);
-    }
-  }
-  return {
-    ...PropertyDefs.defaultValues,
-    ...o,
-  };
-};
-
-export const blacklistValueOf = (o: any): string[] => {
-  if (!Array.isArray(o)) {
-    throw new TypeError(`"blacklist" is not an array of string`);
-  }
-  for (let x of o) {
-    if (typeof x !== 'string') {
-      throw new TypeError(`"blacklist" is not an array of string`);
-    }
-  }
-  return o as string[];
-};
-
-export const valueOf = (o: any): Settings => {
-  let settings = { ...DefaultSetting };
-  for (let key of Object.keys(o)) {
-    switch (key) {
-    case 'keymaps':
-      settings.keymaps = keymapsValueOf(o.keymaps);
-      break;
-    case 'search':
-      settings.search = searchValueOf(o.search);
-      break;
-    case 'properties':
-      settings.properties = propertiesValueOf(o.properties);
-      break;
-    case 'blacklist':
-      settings.blacklist = blacklistValueOf(o.blacklist);
-      break;
-    default:
-      throw new TypeError('unknown setting: ' + key);
-    }
-  }
-  return settings;
-};
-
-export const DefaultSetting: Settings = {
-  keymaps: {
-    '0': { 'type': 'scroll.home' },
-    ':': { 'type': 'command.show' },
-    'o': { 'type': 'command.show.open', 'alter': false },
-    'O': { 'type': 'command.show.open', 'alter': true },
-    't': { 'type': 'command.show.tabopen', 'alter': false },
-    'T': { 'type': 'command.show.tabopen', 'alter': true },
-    'w': { 'type': 'command.show.winopen', 'alter': false },
-    'W': { 'type': 'command.show.winopen', 'alter': true },
-    'b': { 'type': 'command.show.buffer' },
-    'a': { 'type': 'command.show.addbookmark', 'alter': true },
-    'k': { 'type': 'scroll.vertically', 'count': -1 },
-    'j': { 'type': 'scroll.vertically', 'count': 1 },
-    'h': { 'type': 'scroll.horizonally', 'count': -1 },
-    'l': { 'type': 'scroll.horizonally', 'count': 1 },
-    '<C-U>': { 'type': 'scroll.pages', 'count': -0.5 },
-    '<C-D>': { 'type': 'scroll.pages', 'count': 0.5 },
-    '<C-B>': { 'type': 'scroll.pages', 'count': -1 },
-    '<C-F>': { 'type': 'scroll.pages', 'count': 1 },
-    'gg': { 'type': 'scroll.top' },
-    'G': { 'type': 'scroll.bottom' },
-    '$': { 'type': 'scroll.end' },
-    'd': { 'type': 'tabs.close' },
-    'D': { 'type': 'tabs.close', 'select': 'left' },
-    'x$': { 'type': 'tabs.close.right' },
-    '!d': { 'type': 'tabs.close.force' },
-    'u': { 'type': 'tabs.reopen' },
-    'K': { 'type': 'tabs.prev' },
-    'J': { 'type': 'tabs.next' },
-    'gT': { 'type': 'tabs.prev' },
-    'gt': { 'type': 'tabs.next' },
-    'g0': { 'type': 'tabs.first' },
-    'g$': { 'type': 'tabs.last' },
-    '<C-6>': { 'type': 'tabs.prevsel' },
-    'r': { 'type': 'tabs.reload', 'cache': false },
-    'R': { 'type': 'tabs.reload', 'cache': true },
-    'zp': { 'type': 'tabs.pin.toggle' },
-    'zd': { 'type': 'tabs.duplicate' },
-    'zi': { 'type': 'zoom.in' },
-    'zo': { 'type': 'zoom.out' },
-    'zz': { 'type': 'zoom.neutral' },
-    'f': { 'type': 'follow.start', 'newTab': false, 'background': false },
-    'F': { 'type': 'follow.start', 'newTab': true, 'background': false },
-    'm': { 'type': 'mark.set.prefix' },
-    '\'': { 'type': 'mark.jump.prefix' },
-    'H': { 'type': 'navigate.history.prev' },
-    'L': { 'type': 'navigate.history.next' },
-    '[[': { 'type': 'navigate.link.prev' },
-    ']]': { 'type': 'navigate.link.next' },
-    'gu': { 'type': 'navigate.parent' },
-    'gU': { 'type': 'navigate.root' },
-    'gi': { 'type': 'focus.input' },
-    'gf': { 'type': 'page.source' },
-    'gh': { 'type': 'page.home', 'newTab': false },
-    'gH': { 'type': 'page.home', 'newTab': true },
-    'y': { 'type': 'urls.yank' },
-    'p': { 'type': 'urls.paste', 'newTab': false },
-    'P': { 'type': 'urls.paste', 'newTab': true },
-    '/': { 'type': 'find.start' },
-    'n': { 'type': 'find.next' },
-    'N': { 'type': 'find.prev' },
-    '.': { 'type': 'repeat.last' },
-    '<S-Esc>': { 'type': 'addon.toggle.enabled' }
-  },
-  search: {
-    default: 'google',
-    engines: {
-      'google': 'https://google.com/search?q={}',
-      'yahoo': 'https://search.yahoo.com/search?p={}',
-      'bing': 'https://www.bing.com/search?q={}',
-      'duckduckgo': 'https://duckduckgo.com/?q={}',
-      'twitter': 'https://twitter.com/search?q={}',
-      'wikipedia': 'https://en.wikipedia.org/w/index.php?search={}'
-    }
-  },
-  properties: {
-    hintchars: 'abcdefghijklmnopqrstuvwxyz',
-    smoothscroll: false,
-    complete: 'sbh'
-  },
-  blacklist: []
-};
diff --git a/src/shared/blacklists.ts b/src/shared/blacklists.ts
deleted file mode 100644
index 61ee4de..0000000
--- a/src/shared/blacklists.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-import * as re from './utils/re';
-
-const includes = (blacklist: string[], url: string): boolean => {
-  let u = new URL(url);
-  return blacklist.some((item) => {
-    if (!item.includes('/')) {
-      return re.fromWildcard(item).test(u.host);
-    }
-    return re.fromWildcard(item).test(u.host + u.pathname);
-  });
-};
-
-export { includes };
diff --git a/src/shared/properties.ts b/src/shared/properties.ts
deleted file mode 100644
index 6315030..0000000
--- a/src/shared/properties.ts
+++ /dev/null
@@ -1,50 +0,0 @@
-export type Type = string | number | boolean;
-
-export class Def {
-  private name0: string;
-
-  private description0: string;
-
-  private defaultValue0: Type;
-
-  constructor(
-    name: string,
-    description: string,
-    defaultValue: Type,
-  ) {
-    this.name0 = name;
-    this.description0 = description;
-    this.defaultValue0 = defaultValue;
-  }
-
-  public get name(): string {
-    return this.name0;
-  }
-
-  public get defaultValue(): Type {
-    return this.defaultValue0;
-  }
-
-  public get description(): Type {
-    return this.description0;
-  }
-
-  public get type(): string {
-    return typeof this.defaultValue;
-  }
-}
-
-export const defs: Def[] = [
-  new Def(
-    'hintchars',
-    'hint characters on follow mode',
-    'abcdefghijklmnopqrstuvwxyz'),
-  new Def(
-    'smoothscroll',
-    'smooth scroll',
-    false),
-  new Def(
-    'complete',
-    'which are completed at the open page',
-    'sbh'),
-];
diff --git a/src/shared/property-defs.ts b/src/shared/property-defs.ts
deleted file mode 100644
index fec9f80..0000000
--- a/src/shared/property-defs.ts
+++ /dev/null
@@ -1,56 +0,0 @@
-export type Type = string | number | boolean;
-
-export class Def {
-  private name0: string;
-
-  private description0: string;
-
-  private defaultValue0: Type;
-
-  constructor(
-    name: string,
-    description: string,
-    defaultValue: Type,
-  ) {
-    this.name0 = name;
-    this.description0 = description;
-    this.defaultValue0 = defaultValue;
-  }
-
-  public get name(): string {
-    return this.name0;
-  }
-
-  public get defaultValue(): Type {
-    return this.defaultValue0;
-  }
-
-  public get description(): Type {
-    return this.description0;
-  }
-
-  public get type(): string {
-    return typeof this.defaultValue;
-  }
-}
-
-export const defs: Def[] = [
-  new Def(
-    'hintchars',
-    'hint characters on follow mode',
-    'abcdefghijklmnopqrstuvwxyz'),
-  new Def(
-    'smoothscroll',
-    'smooth scroll',
-    false),
-  new Def(
-    'complete',
-    'which are completed at the open page',
-    'sbh'),
-];
-
-export const defaultValues = {
-  hintchars: 'abcdefghijklmnopqrstuvwxyz',
-  smoothscroll: false,
-  complete: 'sbh',
-};
diff --git a/src/shared/settings/Blacklist.ts b/src/shared/settings/Blacklist.ts
new file mode 100644
index 0000000..a95b606
--- /dev/null
+++ b/src/shared/settings/Blacklist.ts
@@ -0,0 +1,39 @@
+export type BlacklistJSON = string[];
+
+const fromWildcard = (pattern: string): RegExp => {
+  let regexStr = '^' + pattern.replace(/\*/g, '.*') + '$';
+  return new RegExp(regexStr);
+};
+
+export default class Blacklist {
+  constructor(
+    private blacklist: string[],
+  ) {
+  }
+
+  static fromJSON(json: any): Blacklist {
+    if (!Array.isArray(json)) {
+      throw new TypeError(`"blacklist" is not an array of string`);
+    }
+    for (let x of json) {
+      if (typeof x !== 'string') {
+        throw new TypeError(`"blacklist" is not an array of string`);
+      }
+    }
+    return new Blacklist(json);
+  }
+
+  toJSON(): BlacklistJSON {
+    return this.blacklist;
+  }
+
+  includes(url: string): boolean {
+    let u = new URL(url);
+    return this.blacklist.some((item) => {
+      if (!item.includes('/')) {
+        return fromWildcard(item).test(u.host);
+      }
+      return fromWildcard(item).test(u.host + u.pathname);
+    });
+  }
+}
diff --git a/src/shared/settings/Key.ts b/src/shared/settings/Key.ts
new file mode 100644
index 0000000..b11eeb2
--- /dev/null
+++ b/src/shared/settings/Key.ts
@@ -0,0 +1,61 @@
+export default class Key {
+  public readonly key: string;
+
+  public readonly shift: boolean;
+
+  public readonly ctrl: boolean;
+
+  public readonly alt: boolean;
+
+  public readonly meta: boolean;
+
+  constructor({ key, shift, ctrl, alt, meta }: {
+    key: string;
+    shift: boolean;
+    ctrl: boolean;
+    alt: boolean;
+    meta: boolean;
+  }) {
+    this.key = key;
+    this.shift = shift;
+    this.ctrl = ctrl;
+    this.alt = alt;
+    this.meta = meta;
+  }
+
+  static fromMapKey(str: string): Key {
+    if (str.startsWith('<') && str.endsWith('>')) {
+      let inner = str.slice(1, -1);
+      let shift = inner.includes('S-');
+      let base = inner.slice(inner.lastIndexOf('-') + 1);
+      if (shift && base.length === 1) {
+        base = base.toUpperCase();
+      } else if (!shift && base.length === 1) {
+        base = base.toLowerCase();
+      }
+      return new Key({
+        key: base,
+        shift: shift,
+        ctrl: inner.includes('C-'),
+        alt: inner.includes('A-'),
+        meta: inner.includes('M-'),
+      });
+    }
+
+    return new Key({
+      key: str,
+      shift: str.toLowerCase() !== str,
+      ctrl: false,
+      alt: false,
+      meta: false,
+    });
+  }
+
+  equals(key: Key) {
+    return this.key === key.key &&
+      this.ctrl === key.ctrl &&
+      this.meta === key.meta &&
+      this.alt === key.alt &&
+      this.shift === key.shift;
+  }
+}
diff --git a/src/shared/settings/KeySequence.ts b/src/shared/settings/KeySequence.ts
new file mode 100644
index 0000000..4955583
--- /dev/null
+++ b/src/shared/settings/KeySequence.ts
@@ -0,0 +1,54 @@
+import Key from '../../shared/settings/Key';
+
+export default class KeySequence {
+  constructor(
+    public readonly keys: Key[],
+  ) {
+  }
+
+  push(key: Key): number {
+    return this.keys.push(key);
+  }
+
+  length(): number {
+    return this.keys.length;
+  }
+
+  startsWith(o: KeySequence): boolean {
+    if (this.keys.length < o.keys.length) {
+      return false;
+    }
+    for (let i = 0; i < o.keys.length; ++i) {
+      if (!this.keys[i].equals(o.keys[i])) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  static fromMapKeys(keys: string): KeySequence {
+    const fromMapKeysRecursive = (
+      remaining: string, mappedKeys: Key[],
+    ): Key[] => {
+      if (remaining.length === 0) {
+        return mappedKeys;
+      }
+
+      let nextPos = 1;
+      if (remaining.startsWith('<')) {
+        let ltPos = remaining.indexOf('>');
+        if (ltPos > 0) {
+          nextPos = ltPos + 1;
+        }
+      }
+
+      return fromMapKeysRecursive(
+        remaining.slice(nextPos),
+        mappedKeys.concat([Key.fromMapKey(remaining.slice(0, nextPos))])
+      );
+    };
+
+    let data = fromMapKeysRecursive(keys, []);
+    return new KeySequence(data);
+  }
+}
diff --git a/src/shared/settings/Keymaps.ts b/src/shared/settings/Keymaps.ts
new file mode 100644
index 0000000..a5558b0
--- /dev/null
+++ b/src/shared/settings/Keymaps.ts
@@ -0,0 +1,37 @@
+import * as operations from '../operations';
+
+export type KeymapsJSON = { [key: string]: operations.Operation };
+
+export default class Keymaps {
+  constructor(
+    private readonly data: KeymapsJSON,
+  ) {
+  }
+
+  static fromJSON(json: any): Keymaps {
+    if (typeof json !== 'object' || json === null) {
+      throw new TypeError('invalid keymaps type: ' + JSON.stringify(json));
+    }
+
+    let data: KeymapsJSON = {};
+    for (let key of Object.keys(json)) {
+      data[key] = operations.valueOf(json[key]);
+    }
+    return new Keymaps(data);
+  }
+
+  combine(other: Keymaps): Keymaps {
+    return new Keymaps({
+      ...this.data,
+      ...other.data,
+    });
+  }
+
+  toJSON(): KeymapsJSON {
+    return this.data;
+  }
+
+  entries(): [string, operations.Operation][] {
+    return Object.entries(this.data);
+  }
+}
diff --git a/src/shared/settings/Properties.ts b/src/shared/settings/Properties.ts
new file mode 100644
index 0000000..63ff991
--- /dev/null
+++ b/src/shared/settings/Properties.ts
@@ -0,0 +1,110 @@
+export type PropertiesJSON = {
+  hintchars?: string;
+  smoothscroll?: boolean;
+  complete?: string;
+};
+
+export type PropertyTypes = {
+  hintchars: string;
+  smoothscroll: string;
+  complete: string;
+};
+
+type PropertyName = 'hintchars' | 'smoothscroll' | 'complete';
+
+type PropertyDef = {
+  name: PropertyName;
+  description: string;
+  defaultValue: string | number | boolean;
+  type: 'string' | 'number' | 'boolean';
+};
+
+const defs: PropertyDef[] = [
+  {
+    name: 'hintchars',
+    description: 'hint characters on follow mode',
+    defaultValue: 'abcdefghijklmnopqrstuvwxyz',
+    type: 'string',
+  }, {
+    name: 'smoothscroll',
+    description: 'smooth scroll',
+    defaultValue: false,
+    type: 'boolean',
+  }, {
+    name: 'complete',
+    description: 'which are completed at the open page',
+    defaultValue: 'sbh',
+    type: 'string',
+  }
+];
+
+const defaultValues = {
+  hintchars: 'abcdefghijklmnopqrstuvwxyz',
+  smoothscroll: false,
+  complete: 'sbh',
+};
+
+export default class Properties {
+  public hintchars: string;
+
+  public smoothscroll: boolean;
+
+  public complete: string;
+
+  constructor({
+    hintchars,
+    smoothscroll,
+    complete,
+  }: {
+    hintchars?: string;
+    smoothscroll?: boolean;
+    complete?: string;
+  } = {}) {
+    this.hintchars = hintchars || defaultValues.hintchars;
+    this.smoothscroll = smoothscroll || defaultValues.smoothscroll;
+    this.complete = complete || defaultValues.complete;
+  }
+
+  static fromJSON(json: any): Properties {
+    let defNames: Set<string> = new Set(defs.map(def => def.name));
+    let unknownName = Object.keys(json).find(name => !defNames.has(name));
+    if (unknownName) {
+      throw new TypeError(`Unknown property name: "${unknownName}"`);
+    }
+
+    for (let def of defs) {
+      if (!Object.prototype.hasOwnProperty.call(json, def.name)) {
+        continue;
+      }
+      if (typeof json[def.name] !== def.type) {
+        throw new TypeError(
+          `property "${def.name}" is not ${def.type}`);
+      }
+    }
+    return new Properties(json);
+  }
+
+  static types(): PropertyTypes {
+    return {
+      hintchars: 'string',
+      smoothscroll: 'boolean',
+      complete: 'string',
+    };
+  }
+
+  static def(name: string): PropertyDef | undefined {
+    return defs.find(p => p.name === name);
+  }
+
+  static defs(): PropertyDef[] {
+    return defs;
+  }
+
+  toJSON(): PropertiesJSON {
+    return {
+      hintchars: this.hintchars,
+      smoothscroll: this.smoothscroll,
+      complete: this.complete,
+    };
+  }
+}
diff --git a/src/shared/settings/Search.ts b/src/shared/settings/Search.ts
new file mode 100644
index 0000000..4580236
--- /dev/null
+++ b/src/shared/settings/Search.ts
@@ -0,0 +1,76 @@
+type Entries = { [name: string]: string };
+
+export type SearchJSON = {
+  default: string;
+  engines: { [key: string]: string };
+};
+
+export default class Search {
+  constructor(
+    public defaultEngine: string,
+    public engines: Entries,
+  ) {
+  }
+
+  static fromJSON(json: any): Search {
+    let defaultEngine = Search.getStringField(json, 'default');
+    let engines = Search.getObjectField(json, 'engines');
+
+    for (let [name, url] of Object.entries(engines)) {
+      if ((/\s/).test(name)) {
+        throw new TypeError(
+          `While space in the search engine not allowed: "${name}"`);
+      }
+      if (typeof url !== 'string') {
+        throw new TypeError(
+          `Invalid type of value in filed "engines": ${JSON.stringify(json)}`);
+      }
+      let matches = url.match(/{}/g);
+      if (matches === null) {
+        throw new TypeError(`No {}-placeholders in URL of "${name}"`);
+      } else if (matches.length > 1) {
+        throw new TypeError(`Multiple {}-placeholders in URL of "${name}"`);
+      }
+    }
+
+    if (!Object.keys(engines).includes(defaultEngine)) {
+      throw new TypeError(`Default engine "${defaultEngine}" not found`);
+    }
+
+    return new Search(
+      json.default as string,
+      json.engines,
+    );
+  }
+
+  toJSON(): SearchJSON {
+    return {
+      default: this.defaultEngine,
+      engines: this.engines,
+    };
+  }
+
+  private static getStringField(json: any, name: string): string {
+    if (!Object.prototype.hasOwnProperty.call(json, name)) {
+      throw new TypeError(
+        `missing field "${name}" on search: ${JSON.stringify(json)}`);
+    }
+    if (typeof json[name] !== 'string') {
+      throw new TypeError(
+        `invalid type of filed "${name}" on search: ${JSON.stringify(json)}`);
+    }
+    return json[name];
+  }
+
+  private static getObjectField(json: any, name: string): Object {
+    if (!Object.prototype.hasOwnProperty.call(json, name)) {
+      throw new TypeError(
+        `missing field "${name}" on search: ${JSON.stringify(json)}`);
+    }
+    if (typeof json[name] !== 'object' || json[name] === null) {
+      throw new TypeError(
+        `invalid type of filed "${name}" on search: ${JSON.stringify(json)}`);
+    }
+    return json[name];
+  }
+}
diff --git a/src/shared/settings/Settings.ts b/src/shared/settings/Settings.ts
new file mode 100644
index 0000000..2c9e37f
--- /dev/null
+++ b/src/shared/settings/Settings.ts
@@ -0,0 +1,158 @@
+import Keymaps, { KeymapsJSON } from './Keymaps';
+import Search, { SearchJSON } from './Search';
+import Properties, { PropertiesJSON } from './Properties';
+import Blacklist, { BlacklistJSON } from './Blacklist';
+
+export type SettingsJSON = {
+  keymaps: KeymapsJSON,
+  search: SearchJSON,
+  properties: PropertiesJSON,
+  blacklist: BlacklistJSON,
+};
+
+export default class Settings {
+  public keymaps: Keymaps;
+
+  public search: Search;
+
+  public properties: Properties;
+
+  public blacklist: Blacklist;
+
+  constructor({
+    keymaps,
+    search,
+    properties,
+    blacklist,
+  }: {
+    keymaps: Keymaps;
+    search: Search;
+    properties: Properties;
+    blacklist: Blacklist;
+  }) {
+    this.keymaps = keymaps;
+    this.search = search;
+    this.properties = properties;
+    this.blacklist = blacklist;
+  }
+
+  static fromJSON(json: any): Settings {
+    let settings = { ...DefaultSetting };
+    for (let key of Object.keys(json)) {
+      switch (key) {
+      case 'keymaps':
+        settings.keymaps = Keymaps.fromJSON(json.keymaps);
+        break;
+      case 'search':
+        settings.search = Search.fromJSON(json.search);
+        break;
+      case 'properties':
+        settings.properties = Properties.fromJSON(json.properties);
+        break;
+      case 'blacklist':
+        settings.blacklist = Blacklist.fromJSON(json.blacklist);
+        break;
+      default:
+        throw new TypeError('unknown setting: ' + key);
+      }
+    }
+    return new Settings(settings);
+  }
+
+  toJSON(): SettingsJSON {
+    return {
+      keymaps: this.keymaps.toJSON(),
+      search: this.search.toJSON(),
+      properties: this.properties.toJSON(),
+      blacklist: this.blacklist.toJSON(),
+    };
+  }
+}
+
+export const DefaultSettingJSONText = `{
+  "keymaps": {
+    "0": { "type": "scroll.home" },
+    ":": { "type": "command.show" },
+    "o": { "type": "command.show.open", "alter": false },
+    "O": { "type": "command.show.open", "alter": true },
+    "t": { "type": "command.show.tabopen", "alter": false },
+    "T": { "type": "command.show.tabopen", "alter": true },
+    "w": { "type": "command.show.winopen", "alter": false },
+    "W": { "type": "command.show.winopen", "alter": true },
+    "b": { "type": "command.show.buffer" },
+    "a": { "type": "command.show.addbookmark", "alter": true },
+    "k": { "type": "scroll.vertically", "count": -1 },
+    "j": { "type": "scroll.vertically", "count": 1 },
+    "h": { "type": "scroll.horizonally", "count": -1 },
+    "l": { "type": "scroll.horizonally", "count": 1 },
+    "<C-U>": { "type": "scroll.pages", "count": -0.5 },
+    "<C-D>": { "type": "scroll.pages", "count": 0.5 },
+    "<C-B>": { "type": "scroll.pages", "count": -1 },
+    "<C-F>": { "type": "scroll.pages", "count": 1 },
+    "gg": { "type": "scroll.top" },
+    "G": { "type": "scroll.bottom" },
+    "$": { "type": "scroll.end" },
+    "d": { "type": "tabs.close" },
+    "D": { "type": "tabs.close", "select": "left" },
+    "x$": { "type": "tabs.close.right" },
+    "!d": { "type": "tabs.close.force" },
+    "u": { "type": "tabs.reopen" },
+    "K": { "type": "tabs.prev" },
+    "J": { "type": "tabs.next" },
+    "gT": { "type": "tabs.prev" },
+    "gt": { "type": "tabs.next" },
+    "g0": { "type": "tabs.first" },
+    "g$": { "type": "tabs.last" },
+    "<C-6>": { "type": "tabs.prevsel" },
+    "r": { "type": "tabs.reload", "cache": false },
+    "R": { "type": "tabs.reload", "cache": true },
+    "zp": { "type": "tabs.pin.toggle" },
+    "zd": { "type": "tabs.duplicate" },
+    "zi": { "type": "zoom.in" },
+    "zo": { "type": "zoom.out" },
+    "zz": { "type": "zoom.neutral" },
+    "f": { "type": "follow.start", "newTab": false },
+    "F": { "type": "follow.start", "newTab": true, "background": false },
+    "m": { "type": "mark.set.prefix" },
+    "'": { "type": "mark.jump.prefix" },
+    "H": { "type": "navigate.history.prev" },
+    "L": { "type": "navigate.history.next" },
+    "[[": { "type": "navigate.link.prev" },
+    "]]": { "type": "navigate.link.next" },
+    "gu": { "type": "navigate.parent" },
+    "gU": { "type": "navigate.root" },
+    "gi": { "type": "focus.input" },
+    "gf": { "type": "page.source" },
+    "gh": { "type": "page.home" },
+    "gH": { "type": "page.home", "newTab": true },
+    "y": { "type": "urls.yank" },
+    "p": { "type": "urls.paste", "newTab": false },
+    "P": { "type": "urls.paste", "newTab": true },
+    "/": { "type": "find.start" },
+    "n": { "type": "find.next" },
+    "N": { "type": "find.prev" },
+    ".": { "type": "repeat.last" },
+    "<S-Esc>": { "type": "addon.toggle.enabled" }
+  },
+  "search": {
+    "default": "google",
+    "engines": {
+      "google": "https://google.com/search?q={}",
+      "yahoo": "https://search.yahoo.com/search?p={}",
+      "bing": "https://www.bing.com/search?q={}",
+      "duckduckgo": "https://duckduckgo.com/?q={}",
+      "twitter": "https://twitter.com/search?q={}",
+      "wikipedia": "https://en.wikipedia.org/w/index.php?search={}"
+    }
+  },
+  "properties": {
+    "hintchars": "abcdefghijklmnopqrstuvwxyz",
+    "smoothscroll": false,
+    "complete": "sbh"
+  },
+  "blacklist": [
+  ]
+}`;
+
+export const DefaultSetting: Settings =
+  Settings.fromJSON(JSON.parse(DefaultSettingJSONText));
diff --git a/src/shared/urls.ts b/src/shared/urls.ts
index bbdb1ea..64ea4f2 100644
--- a/src/shared/urls.ts
+++ b/src/shared/urls.ts
@@ -1,4 +1,4 @@
-import { Search } from './Settings';
+import Search from './settings/Search';
 
 const trimStart = (str: string): string => {
   // NOTE String.trimStart is available on Firefox 61
@@ -19,7 +19,7 @@ const searchUrl = (keywords: string, search: Search): string => {
   if (keywords.includes('.') && !keywords.includes(' ')) {
     return 'http://' + keywords;
   }
-  let template = search.engines[search.default];
+  let template = search.engines[search.defaultEngine];
   let query = keywords;
 
   let first = trimStart(keywords).split(' ')[0];
diff --git a/src/shared/utils/re.ts b/src/shared/utils/re.ts
deleted file mode 100644
index 34f4fa6..0000000
--- a/src/shared/utils/re.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-const fromWildcard = (pattern: string): RegExp => {
-  let regexStr = '^' + pattern.replace(/\*/g, '.*') + '$';
-  return new RegExp(regexStr);
-};
-
-export { fromWildcard };