refactor: make URL schema configurable

I plan to make TypeProf work with Monaco Editor, which uses "inmemory"
schema instead of "file" schema.

Author: mame

lib/typeprof/lsp/messages.rb

@@ -72,7 +72,7 @@ class Message::Initialize < Message
     def run
       folders = @params[:workspaceFolders].map do |folder|
         folder => { uri:, }
-        TypeProf::LSP.file_uri_to_path(uri)
+        @server.uri_to_path(uri)
       end
 
       @server.add_workspaces(folders)
@@ -146,7 +146,7 @@ class Message::TextDocument::DidOpen < Message
     def run
       @params => { textDocument: { uri:, version:, text: } }
 
-      path = TypeProf::LSP.file_uri_to_path(uri)
+      path = @server.uri_to_path(uri)
       return unless @server.target_path?(path)
 
       text = Text.new(path, text, version)
@@ -204,7 +204,7 @@ def run
       else
         respond(defs.map do |path, code_range|
           {
-            uri: "file://" + path,
+            uri: @server.path_to_uri(path),
             range: code_range.to_lsp,
           }
         end)
@@ -230,7 +230,7 @@ def run
       else
         respond(defs.map do |path, code_range|
           {
-            uri: "file://" + path,
+            uri: @server.path_to_uri(path),
             range: code_range.to_lsp,
           }
         end)
@@ -254,7 +254,7 @@ def run
       if callsites
         respond(callsites.map do |path, code_range|
           {
-            uri: "file://" + path,
+            uri: @server.path_to_uri(path),
             range: code_range.to_lsp,
           }
         end)
@@ -373,7 +373,7 @@ def run
       if renames
         changes = {}
         renames.each do |path, cr|
-          (changes["file://" + path] ||= []) << {
+          (changes[@server.path_to_uri(path)] ||= []) << {
             range: cr.to_lsp,
             newText: newName,
           }

lib/typeprof/lsp/server.rb

@@ -44,7 +44,7 @@ def self.start_socket(core)
       end
     end
 
-    def initialize(core, reader, writer)
+    def initialize(core, reader, writer, url_schema: nil)
       @core = core
       @workspaces = {}
       @reader = reader
@@ -55,11 +55,20 @@ def initialize(core, reader, writer)
       @open_texts = {}
       @exit = false
       @signature_enabled = true
+      @url_schema = url_schema || (File::ALT_SEPARATOR != "\\" ? "file://" : "file:///")
     end
 
     attr_reader :core, :open_texts
     attr_accessor :signature_enabled
 
+    def path_to_uri(path)
+      @url_schema + File.expand_path(path)
+    end
+
+    def uri_to_path(url)
+      url.delete_prefix(@url_schema)
+    end
+
     def add_workspaces(folders)
       folders.each do |path|
         conf_path = File.join(path, "typeprof.conf.json")

lib/typeprof/lsp/util.rb

@@ -48,14 +48,4 @@ def self.load_json_with_comments(path, **opts)
 
     JSON.parse(json, **opts)
   end
-
-  FILE_URL_PREFIX = File::ALT_SEPARATOR != "\\" ? "file://" : "file:///"
-
-  def self.file_path_to_uri(path)
-    FILE_URL_PREFIX + File.expand_path(path)
-  end
-
-  def self.file_uri_to_path(url)
-    url.delete_prefix(FILE_URL_PREFIX)
-  end
 end

test/lsp/lsp_test.rb

@@ -30,16 +30,14 @@ def write(**json)
 
     def setup
       @dummy_io = DummyIO.new
-      @th = Thread.new do
-        core = TypeProf::Core::Service.new({})
-        serv = TypeProf::LSP::Server.new(core, @dummy_io, @dummy_io)
-        serv.run
-      end
+      @core = TypeProf::Core::Service.new({})
+      @lsp = TypeProf::LSP::Server.new(@core, @dummy_io, @dummy_io)
+      @th = Thread.new { @lsp.run }
       @id = 0
     end
 
     def init(fixture)
-      @folder = TypeProf::LSP.file_path_to_uri(File.expand_path(File.join(__dir__, "..", "fixtures", fixture))) + "/"
+      @folder = @lsp.path_to_uri(File.expand_path(File.join(__dir__, "..", "fixtures", fixture))) + "/"
       id = request("initialize", workspaceFolders: [{ uri: @folder }])
       expect_response(id) do |recv|
         assert_equal({ name: "typeprof", version: TypeProf::VERSION }, recv[:serverInfo])