From ed419140280553b070943b7ba539120a26ff5686 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Tue, 11 Dec 2018 07:42:05 +0100
Subject: wanda: restructure directory hierarchy

---
 src/wanda/command.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 src/wanda/command.cpp

(limited to 'src/wanda/command.cpp')

diff --git a/src/wanda/command.cpp b/src/wanda/command.cpp
new file mode 100644
index 0000000..960c52b
--- /dev/null
+++ b/src/wanda/command.cpp
@@ -0,0 +1,47 @@
+#include <wanda/command.hpp>
+
+namespace wanda
+{
+  std::optional<message> command::message() const
+  {
+    using namespace std::string_literals;
+    auto const command = [this] {
+      switch (id)
+      {
+        case command_id::change:
+          return "CHANGE"s;
+        default:
+          return ""s;
+      }
+    }();
+
+    auto argument_string = std::string{};
+    for (int index = 0ul; index < arguments.size(); ++index)
+    {
+      argument_string += (index) ? "," + arguments[index] : arguments[index];
+    }
+
+    if (command.empty())
+    {
+      return std::nullopt;
+    }
+
+    return wanda::message{"C", command, argument_string};
+  }
+
+  std::optional<command> make_command(message message)
+  {
+    if (message.command == "CHANGE")
+    {
+      return {{command_id::change}};
+    }
+
+    return std::nullopt;
+  }
+
+  command make_change_command()
+  {
+    return {command_id::change};
+  }
+
+}  // namespace wanda
\ No newline at end of file
-- 
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