3 files changed, 182 insertions, 1 deletions
diff --git a/src/shared/commands.js b/src/shared/commands.js
new file mode 100644
index 0000000..b1d8780
--- /dev/null
+++ b/src/shared/commands.js
@@ -0,0 +1,143 @@
+import * as tabs from 'background/tabs';
+import * as histories from 'background/histories';
+
+const normalizeUrl = (string, searchConfig) => {
+  try {
+    return new URL(string).href;
+  } catch (e) {
+    if (string.includes('.') && !string.includes(' ')) {
+      return 'http://' + string;
+    }
+    let query = encodeURI(string);
+    let template = searchConfig.engines[
+      searchConfig.default
+    ];
+    for (let key in searchConfig.engines) {
+      if (string.startsWith(key + ' ')) {
+        query = encodeURI(string.replace(key + ' ', ''));
+        template = searchConfig.engines[key];
+      }
+    }
+    return template.replace('{}', query);
+  }
+};
+
+const openCommand = (url) => {
+  return browser.tabs.query({
+    active: true, currentWindow: true
+  }).then((gotTabs) => {
+    if (gotTabs.length > 0) {
+      return browser.tabs.update(gotTabs[0].id, { url: url });
+    }
+  });
+};
+
+const tabopenCommand = (url) => {
+  return browser.tabs.create({ url: url });
+};
+
+const bufferCommand = (keywords) => {
+  return browser.tabs.query({
+    active: true, currentWindow: true
+  }).then((gotTabs) => {
+    if (gotTabs.length > 0) {
+      if (isNaN(keywords)) {
+        return tabs.selectByKeyword(gotTabs[0], keywords);
+      }
+      let index = parseInt(keywords, 10) - 1;
+      return tabs.selectAt(index);
+    }
+  });
+};
+
+const getOpenCompletions = (command, keywords, searchConfig) => {
+  return histories.getCompletions(keywords).then((pages) => {
+    let historyItems = pages.map((page) => {
+      return {
+        caption: page.title,
+        content: command + ' ' + page.url,
+        url: page.url
+      };
+    });
+    let engineNames = Object.keys(searchConfig.engines);
+    let engineItems = engineNames.filter(name => name.startsWith(keywords))
+      .map(name => ({
+        caption: name,
+        content: command + ' ' + name
+      }));
+
+    let completions = [];
+    if (engineItems.length > 0) {
+      completions.push({
+        name: 'Search Engines',
+        items: engineItems
+      });
+    }
+    if (historyItems.length > 0) {
+      completions.push({
+        name: 'History',
+        items: historyItems
+      });
+    }
+    return completions;
+  });
+};
+
+const doCommand = (name, remaining, settings) => {
+  switch (name) {
+  case 'o':
+  case 'open':
+    // TODO use search engined and pass keywords to them
+    return openCommand(normalizeUrl(remaining, settings.search));
+  case 't':
+  case 'tabopen':
+    return tabopenCommand(normalizeUrl(remaining, settings.search));
+  case 'b':
+  case 'buffer':
+    return bufferCommand(remaining);
+  }
+  throw new Error(name + ' command is not defined');
+};
+
+const getCompletions = (command, keywords, settings) => {
+  switch (command) {
+  case 'o':
+  case 'open':
+  case 't':
+  case 'tabopen':
+    return getOpenCompletions(command, keywords, settings.search);
+  case 'b':
+  case 'buffer':
+    return tabs.getCompletions(keywords).then((gotTabs) => {
+      let items = gotTabs.map((tab) => {
+        return {
+          caption: tab.title,
+          content: command + ' ' + tab.title,
+          url: tab.url,
+          icon: tab.favIconUrl
+        };
+      });
+      return [
+        {
+          name: 'Buffers',
+          items: items
+        }
+      ];
+    });
+  }
+  return Promise.resolve([]);
+};
+
+const exec = (line, settings) => {
+  let name = line.split(' ')[0];
+  let remaining = line.replace(name + ' ', '');
+  return doCommand(name, remaining, settings);
+};
+
+const complete = (line, settings) => {
+  let command = line.split(' ', 1)[0];
+  let keywords = line.replace(command + ' ', '');
+  return getCompletions(command, keywords, settings);
+};
+
+export { exec, complete };
diff --git a/src/shared/operations.js b/src/shared/operations.js
new file mode 100644
index 0000000..b68f59d
--- /dev/null
+++ b/src/shared/operations.js
@@ -0,0 +1,38 @@
+export default {
+  // Command
+  COMMAND_SHOW: 'command.show',
+  COMMAND_SHOW_OPEN: 'command.show.open',
+  COMMAND_SHOW_TABOPEN: 'command.show.tabopen',
+  COMMAND_SHOW_BUFFER: 'command.show.buffer',
+
+  // Scrolls
+  SCROLL_LINES: 'scroll.lines',
+  SCROLL_PAGES: 'scroll.pages',
+  SCROLL_TOP: 'scroll.top',
+  SCROLL_BOTTOM: 'scroll.bottom',
+  SCROLL_HOME: 'scroll.home',
+  SCROLL_END: 'scroll.end',
+
+  // Follows
+  FOLLOW_START: 'follow.start',
+
+  // Navigations
+  NAVIGATE_HISTORY_PREV: 'navigate.history.prev',
+  NAVIGATE_HISTORY_NEXT: 'navigate.history.next',
+  NAVIGATE_LINK_PREV: 'navigate.link.prev',
+  NAVIGATE_LINK_NEXT: 'navigate.link.next',
+  NAVIGATE_PARENT: 'navigate.parent',
+  NAVIGATE_ROOT: 'navigate.root',
+
+  // Tabs
+  TAB_CLOSE: 'tabs.close',
+  TAB_REOPEN: 'tabs.reopen',
+  TAB_PREV: 'tabs.prev',
+  TAB_NEXT: 'tabs.next',
+  TAB_RELOAD: 'tabs.reload',
+
+  // Zooms
+  ZOOM_IN: 'zoom.in',
+  ZOOM_OUT: 'zoom.out',
+  ZOOM_NEUTRAL: 'zoom.neutral',
+};
diff --git a/src/shared/validators/setting.js b/src/shared/validators/setting.js
index caba5cc..5039ec2 100644
--- a/src/shared/validators/setting.js
+++ b/src/shared/validators/setting.js
@@ -1,4 +1,4 @@
-import operations from '../../operations';
+import operations from 'shared/operations';
 
 const VALID_TOP_KEYS = ['keymaps', 'search'];
 const VALID_OPERATION_VALUES = Object.keys(operations).map((key) => {