rename lib/{model_context_protocol => mcp}

lib/mcp/configuration.rb

@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+module MCP
+  class Configuration
+    DEFAULT_PROTOCOL_VERSION = "2024-11-05"
+
+    attr_writer :exception_reporter, :instrumentation_callback, :protocol_version
+
+    def initialize(exception_reporter: nil, instrumentation_callback: nil, protocol_version: nil)
+      @exception_reporter = exception_reporter
+      @instrumentation_callback = instrumentation_callback
+      @protocol_version = protocol_version
+    end
+
+    def protocol_version
+      @protocol_version || DEFAULT_PROTOCOL_VERSION
+    end
+
+    def protocol_version?
+      !@protocol_version.nil?
+    end
+
+    def exception_reporter
+      @exception_reporter || default_exception_reporter
+    end
+
+    def exception_reporter?
+      !@exception_reporter.nil?
+    end
+
+    def instrumentation_callback
+      @instrumentation_callback || default_instrumentation_callback
+    end
+
+    def instrumentation_callback?
+      !@instrumentation_callback.nil?
+    end
+
+    def merge(other)
+      return self if other.nil?
+
+      exception_reporter = if other.exception_reporter?
+        other.exception_reporter
+      else
+        @exception_reporter
+      end
+      instrumentation_callback = if other.instrumentation_callback?
+        other.instrumentation_callback
+      else
+        @instrumentation_callback
+      end
+      protocol_version = if other.protocol_version?
+        other.protocol_version
+      else
+        @protocol_version
+      end
+
+      Configuration.new(
+        exception_reporter:,
+        instrumentation_callback:,
+        protocol_version:,
+      )
+    end
+
+    private
+
+    def default_exception_reporter
+      @default_exception_reporter ||= ->(exception, server_context) {}
+    end
+
+    def default_instrumentation_callback
+      @default_instrumentation_callback ||= ->(data) {}
+    end
+  end
+end