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;;; lsp-toml.el --- lsp-mode TOML integration -*- lexical-binding: t; -*-
;; Copyright (C) 2021 Taiki Sugawara
;; Author: Taiki Sugawara <buzz.taiki@gmail.com>
;; Keywords: lsp, toml
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Client for taplo.
;;; Code:
(require 'lsp-mode)
(require 'ht)
(require 'f)
(defgroup lsp-toml nil
"LSP support for TOML, using Taplo."
:group 'lsp-mode
:link '(url-link "https://github.com/tamasfe/taplo"))
(defcustom lsp-toml-command "taplo"
"Path to taplo command."
:type 'string
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1"))
(defcustom lsp-toml-cache-path (expand-file-name
(locate-user-emacs-file (f-join ".cache" "lsp-toml")))
"Path to cache."
:type 'string
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1"))
(defcustom-lsp lsp-toml-taplo-config-file-path nil
"An absolute, or workspace relative path to the Taplo configuration file."
:type 'string
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.taplo.configFile.path")
(defcustom-lsp lsp-toml-taplo-config-file-enabled t
"Whether to enable the usage of a Taplo configuration file."
:type 'boolean
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.taplo.configFile.enabled")
(defcustom-lsp lsp-toml-semantic-tokens nil
"Enable semantic tokens for inline table and array keys."
:type 'boolean
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.semanticTokens")
(defcustom-lsp lsp-toml-schema-enabled t
"Enable completion and validation based on JSON schemas."
:type 'boolean
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.schema.enabled")
(defcustom-lsp lsp-toml-schema-links nil
"Whether to show clickable links for keys in the editor."
:type 'boolean
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.schema.links")
(defcustom-lsp lsp-toml-schema-catalogs
["https://taplo.tamasfe.dev/schema_index.json"
"https://www.schemastore.org/api/json/catalog.json"]
"A list of URLs to schema catalogs where schemas and associations
can be fetched from"
:type 'lsp-string-vector
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.schema.catalogs")
(defcustom-lsp lsp-toml-schema-associations nil
"Additional document and schema associations.
The key must be a regular expression, this pattern is used to
associate schemas with absolute document URIs.
The value must be an absolute URI to the JSON schema"
:type '(alist :key-type symbol :value-type string)
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.schema.associations")
(defcustom-lsp lsp-toml-schema-cache-memory-expiration 60
"The amount of seconds after which schemas will be invalidated from memory."
:type 'number
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.schema.cache.memoryExpiration")
(defcustom-lsp lsp-toml-schema-cache-disk-expiration 600
"The amount of seconds after which cached catalogs and schemas
expire and will be attempted to be fetched again."
:type 'number
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.schema.cache.diskExpiration")
(defcustom-lsp lsp-toml-completion-max-keys 5
"The maximum amount of keys in a dotted key to display during
completion, 0 effectively disables key completions."
:type 'number
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.completion.maxKeys")
(defcustom-lsp lsp-toml-syntax-semantic-tokens t
"Whether to enable semantic tokens for tables and arrays."
:type 'boolean
:group 'lsp-toml
:package-version '(lsp-mode . "8.0.1")
:lsp-path "evenBetterToml.syntax.semanticTokens")
(defun lsp-toml--initialization-options ()
"Initialization options for taplo."
(list :configurationSection "evenBetterToml"
:cachePath lsp-toml-cache-path))
(defun lsp-toml--handle-message-with-output (_workspace params)
"Handle taplo/messageWithOutput notification with PARAMS."
(funcall (pcase (ht-get params "kind")
("error" 'lsp--error)
("warn" 'lsp--warn)
("info" 'lsp--info)
(_ 'lsp--info))
"lsp-toml: %s"
(ht-get params "message")))
(defun lsp-toml--check-enabled (_file-name _mode)
"Check if the taplo language server should be enabled in this buffer."
(when (string= (lsp-buffer-language) "toml")
(make-directory lsp-toml-cache-path t)
t))
(lsp-register-client
(make-lsp-client
:new-connection (lsp-stdio-connection (lambda () (list lsp-toml-command "lsp" "stdio")))
:activation-fn #'lsp-toml--check-enabled
:initialization-options #'lsp-toml--initialization-options
:notification-handlers (ht ("taplo/messageWithOutput" #'lsp-toml--handle-message-with-output)
("taplo/didChangeSchemaAssociation" #'ignore))
:multi-root t
:server-id 'taplo
:priority -1))
(lsp-consistency-check lsp-toml)
(provide 'lsp-toml)
;;; lsp-toml.el ends here
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