Merge pull request #730 from ueokande/refactor-console-and-completion

Refactor console and completions

1 files changed, 38 insertions, 0 deletions

diff --git a/src/console/commandline/CommandLineParser.ts b/src/console/commandline/CommandLineParser.ts
new file mode 100644
index 0000000..a166f49
--- /dev/null
+++ b/src/console/commandline/CommandLineParser.ts
@@ -0,0 +1,38 @@
+import CommandParser from "./CommandParser";
+import { Command } from "../../shared/Command";
+
+export type CommandLine = {
+  readonly command: Command,
+  readonly args: string
+}
+
+export enum InputPhase {
+  OnCommand,
+  OnArgs,
+}
+
+export default class CommandLineParser {
+  private commandParser: CommandParser = new CommandParser();
+
+  inputPhase(line: string): InputPhase {
+    line = line.trimLeft();
+    if (line.length == 0) {
+      return InputPhase.OnCommand
+    }
+    const command = line.split(/\s+/, 1)[0];
+    if (line.length == command.length) {
+      return InputPhase.OnCommand
+    }
+    return InputPhase.OnArgs;
+  }
+
+  parse(line: string): CommandLine {
+    const trimLeft = line.trimLeft();
+    const command = trimLeft.split(/\s+/, 1)[0];
+    const args = trimLeft.slice(command.length).trimLeft();
+    return {
+      command: this.commandParser.parse(command),
+      args: args,
+    }
+  }
+}