From f25eec7a0ba4a8a868eb87c76ec8b88f76f3a124 Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Thu, 20 Mar 2025 22:38:46 +0800
Subject: feat: inputManager and commandHandler (#7)

server now have ability to send chat like any clients.
can also run commands(registered in commands.cpp)
---
 src/commandHandler.cpp | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/commandHandler.cpp

(limited to 'src/commandHandler.cpp')

diff --git a/src/commandHandler.cpp b/src/commandHandler.cpp
new file mode 100644
index 0000000..12b51dc
--- /dev/null
+++ b/src/commandHandler.cpp
@@ -0,0 +1,58 @@
+#include "commandHandler.hpp"
+#include "log.hpp"
+#include <algorithm>
+
+CCommandHandler::CCommandHandler() {
+	log(LOG, "CommandHandler: initialized");
+}
+
+CCommandHandler::~CCommandHandler() {
+	log(SYS, "CommandHandler: bye");
+	m_vCommands.clear();
+}
+
+bool CCommandHandler::isCommand(const std::string &str) const {
+	return !str.empty() && str.front() == '/';
+};
+
+bool CCommandHandler::validCommand(const std::string &command) const {
+	return std::ranges::any_of(m_vCommands, [&command](const SCommand &cmd) {
+		return cmd.name == command;
+	});
+}
+
+bool CCommandHandler::registerCommand(const SCommand &command) {
+	if (command.name.empty() || !command.exe || !command.parser)
+		return false;
+
+	m_vCommands.push_back(command);
+	return true;
+}
+
+const CCommandHandler::SCommand *CCommandHandler::getCommand(const std::string &command) const {
+	auto it = std::ranges::find_if(m_vCommands, [&command](const SCommand &cmd) { return cmd.name == command; });
+
+	if (it != m_vCommands.end())
+		return &*it;
+
+	return nullptr;
+}
+
+CCommandHandler::SResult CCommandHandler::exeCommand(const SCommand &command, const std::string &args) const {
+	const auto [parsed, good] = command.parser(args);
+	if (!good)
+		try {
+			return {.result = std::any_cast<std::string>(parsed), .good = false};
+		} catch (const std::bad_any_cast &) {
+			return {.result = "", .good = false};
+		}
+
+	return command.exe(parsed);
+}
+
+CCommandHandler::SResult CCommandHandler::newCommand(const std::string &command, const std::string &args) const {
+	if (!validCommand(command))
+		return {.result = "Invalid command", .good = false};
+
+	return exeCommand(*getCommand(command), args);
+}
-- 
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