1 files changed, 99 insertions, 0 deletions
diff --git a/src/background/controllers/CommandController.ts b/src/background/controllers/CommandController.ts
new file mode 100644
index 0000000..b113709
--- /dev/null
+++ b/src/background/controllers/CommandController.ts
@@ -0,0 +1,99 @@
+import CompletionsUseCase from '../usecases/CompletionsUseCase';
+import CommandUseCase from '../usecases/CommandUseCase';
+import Completions from '../domains/Completions';
+
+const trimStart = (str) => {
+  // NOTE String.trimStart is available on Firefox 61
+  return str.replace(/^\s+/, '');
+};
+
+export default class CommandController {
+  constructor() {
+    this.completionsUseCase = new CompletionsUseCase();
+    this.commandIndicator = new CommandUseCase();
+  }
+
+  getCompletions(line) {
+    let trimmed = trimStart(line);
+    let words = trimmed.split(/ +/);
+    let name = words[0];
+    if (words.length === 1) {
+      return this.completionsUseCase.queryConsoleCommand(name);
+    }
+    let keywords = trimStart(trimmed.slice(name.length));
+    switch (words[0]) {
+    case 'o':
+    case 'open':
+    case 't':
+    case 'tabopen':
+    case 'w':
+    case 'winopen':
+      return this.completionsUseCase.queryOpen(name, keywords);
+    case 'b':
+    case 'buffer':
+      return this.completionsUseCase.queryBuffer(name, keywords);
+    case 'bd':
+    case 'bdel':
+    case 'bdelete':
+    case 'bdeletes':
+      return this.completionsUseCase.queryBdelete(name, keywords);
+    case 'bd!':
+    case 'bdel!':
+    case 'bdelete!':
+    case 'bdeletes!':
+      return this.completionsUseCase.queryBdeleteForce(name, keywords);
+    case 'set':
+      return this.completionsUseCase.querySet(name, keywords);
+    }
+    return Promise.resolve(Completions.empty());
+  }
+
+  // eslint-disable-next-line complexity
+  exec(line) {
+    let trimmed = trimStart(line);
+    let words = trimmed.split(/ +/);
+    let name = words[0];
+    if (words[0].length === 0) {
+      return Promise.resolve();
+    }
+
+    let keywords = trimStart(trimmed.slice(name.length));
+    switch (words[0]) {
+    case 'o':
+    case 'open':
+      return this.commandIndicator.open(keywords);
+    case 't':
+    case 'tabopen':
+      return this.commandIndicator.tabopen(keywords);
+    case 'w':
+    case 'winopen':
+      return this.commandIndicator.winopen(keywords);
+    case 'b':
+    case 'buffer':
+      return this.commandIndicator.buffer(keywords);
+    case 'bd':
+    case 'bdel':
+    case 'bdelete':
+      return this.commandIndicator.bdelete(false, keywords);
+    case 'bd!':
+    case 'bdel!':
+    case 'bdelete!':
+      return this.commandIndicator.bdelete(true, keywords);
+    case 'bdeletes':
+      return this.commandIndicator.bdeletes(false, keywords);
+    case 'bdeletes!':
+      return this.commandIndicator.bdeletes(true, keywords);
+    case 'addbookmark':
+      return this.commandIndicator.addbookmark(keywords);
+    case 'q':
+    case 'quit':
+      return this.commandIndicator.quit();
+    case 'qa':
+    case 'quitall':
+      return this.commandIndicator.quitAll();
+    case 'set':
+      return this.commandIndicator.set(keywords);
+    }
+    throw new Error(words[0] + ' command is not defined');
+  }
+}