Merge pull request #783 from MihailRis/stdin-commands

executing commands from stdin

src/devtools/stdin_reader.cpp

@@ -0,0 +1,36 @@
+#include "stdin_reader.hpp"
+
+#include "logic/CommandsInterpreter.hpp"
+#include "coders/json.hpp"
+#include "debug/Logger.hpp"
+
+#include <thread>
+#include <iostream>
+
+static debug::Logger logger("stdin-reader");
+
+static std::thread reader_thread;
+
+void start_stdin_reader(cmd::CommandsInterpreter& interpreter) {
+    reader_thread = std::thread([&interpreter]() {
+        logger.info() << "reader thread started";
+        
+        std::string line;
+        while (std::getline(std::cin, line)) {
+            if (line.empty()) {
+                continue;
+            }
+            try {
+                auto result = interpreter.execute(line);
+                if (result.isString()) {
+                    logger.info() << result.asString();
+                } else {
+                    logger.info() << json::stringify(result, true);
+                }
+            } catch (const std::exception& err) {
+                logger.error() << err.what();
+            }
+        }
+    });
+    reader_thread.detach();
+}

src/devtools/stdin_reader.hpp

@@ -0,0 +1,7 @@
+#pragma once
+
+namespace cmd {
+    class CommandsInterpreter;
+}
+
+void start_stdin_reader(cmd::CommandsInterpreter& interpreter);

src/engine/CoreParameters.hpp

@@ -6,6 +6,7 @@
 struct CoreParameters {
     bool headless = false;
     bool testMode = false;
+    bool stdinCommands = false;
     std::filesystem::path resFolder = "res";
     std::filesystem::path userFolder = ".";
     std::filesystem::path scriptFile;

src/engine/Engine.cpp

@@ -15,6 +15,7 @@
 #include "devtools/DebuggingServer.hpp"
 #include "devtools/Editor.hpp"
 #include "devtools/Project.hpp"
+#include "devtools/stdin_reader.hpp"
 #include "EnginePaths.hpp"
 #include "frontend/locale.hpp"
 #include "frontend/menu.hpp"
@@ -191,6 +192,9 @@ void Engine::initialize(CoreParameters coreParameters) {
     if (!params.headless) {
         project->loadProjectClientScript();
     }
+    if (params.stdinCommands) {
+        start_stdin_reader(*cmd);
+    }
 }
 
 void Engine::loadSettings() {

src/util/command_line.cpp

@@ -62,6 +62,10 @@ static bool perform_keyword(
             params.headless = true;
             return true;
         }, "", "run in headless mode."),
+        ArgC("--stdin-cmd", [&params]() -> bool {
+            params.stdinCommands = true;
+            return true;
+        }, "", "run commands from stdin."),
         ArgC("--tps", [&params, &reader]() -> bool {
             params.tps = reader.nextInt();
             return true;