move client config and capabilities into separate file

This helps to move code out of the to big init.lua as well as
allows to use the vis-lspc version in different lua files.

1 files changed, 3 insertions, 70 deletions

diff --git a/init.lua b/init.lua
index 23c4223..2c97d4b 100644
--- a/init.lua
+++ b/init.lua
@@ -1,4 +1,4 @@
--- Copyright (c) 2021 Florian Fischer. All rights reserved.
+-- Copyright (c) 2021-2023 Florian Fischer. All rights reserved.
 -- Use of this source code is governed by a MIT license found in the LICENSE file.
 -- We require vis compiled with the communicate patch
 local source_str = debug.getinfo(1, 'S').source:sub(2)
@@ -52,34 +52,7 @@ jsonrpc.error_codes = {
 }
 
 -- state of our language server client
-local lspc = {
-  -- mapping language server names to their state tables
-  running = {},
-  name = 'vis-lspc',
-  version = '0.1.5',
-  -- write log messages to lspc.log_file
-  logging = false,
-  log_file = nil,
-  -- automatically start a language server when a new window is opened
-  autostart = true,
-  -- program used to let the user make choices
-  -- The available choices are pass to <menu_cmd> on stdin separated by '\n'
-  menu_cmd = 'vis-menu',
-  -- program used to ask the user for confirmation
-  confirm_cmd = 'vis-menu',
-
-  -- should diagnostics be highlighted if available
-  highlight_diagnostics = false,
-  -- style id used by lspc to register the style used to highlight diagnostics
-  diagnostic_style_id = 43,
-  -- style used by lspc to highlight the diagnostic range
-  -- 60% solarized red
-  diagnostic_style = 'back:#e3514f',
-
-  -- message level to show in the UI when receiving messages from the server
-  -- Error = 1, Warning = 2, Info = 3, Log = 4
-  message_level = 3,
-}
+local lspc = dofile(source_path .. 'lspc.lua')
 
 -- Forward declaration of lspc_err to use it in capture_cmd
 local lspc_err
@@ -174,46 +147,6 @@ do
 end
 assert(vis_pid)
 
---
---- ClientCapabilities we tell the language server when calling "initialize"
---
-local supported_markup_kind = {'plaintext'}
-
-local goto_methods_capabilities = {
-  linkSupport = true,
-  dynamicRegistration = false,
-}
-
-local client_capabilites = {
-  workspace = {configuration = false},
-  textDocument = {
-    synchronization = {dynamicRegistration = false, didSave = true},
-    -- ask the server to send us only plaintext completionItems
-    completion = {
-      dynamicRegistration = false,
-      completionItem = {documentationFormat = supported_markup_kind},
-    },
-    -- ask the server to send us only plaintext hover results
-    hover = {dynamicRegistration = false, contentFormat = supported_markup_kind},
-    -- ask the server to send us only plaintext signatureHelp results
-    signatureHelp = {
-      dynamicRegistration = false,
-      signatureInformation = {documentationFormat = supported_markup_kind},
-    },
-    declaration = {dynamicRegistration = false, linkSupport = true},
-    definition = goto_methods_capabilities,
-    typeDefinition = goto_methods_capabilities,
-    implementation = goto_methods_capabilities,
-    references = {dynamicRegistration = false},
-    rename = {
-      dynamicRegistration = false,
-      prepareSupport = false,
-      honorsChangeAnnotations = false,
-    },
-  },
-  window = {workDoneProgress = false, showDocument = {support = false}},
-}
-
 -- check if fzf is available and use fzf instead of vis-menu per default
 if os.execute('type fzf >/dev/null 2>/dev/null') then
   lspc.menu_cmd = 'fzf'
@@ -1145,7 +1078,7 @@ local function ls_start_server(syntax)
     processId = vis_pid,
     clientInfo = {name = lspc.name, version = lspc.version},
     rootUri = json.null,
-    capabilities = client_capabilites,
+    capabilities = lspc.client_capabilites,
   }
 
   ls_call_method(ls, 'initialize', params)