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;;; oni-csharp.el --- C# Configuration                   -*- lexical-binding: t; -*-

;; Copyright (C) 2019  Tom Willemse

;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 20190711082233
;; Package-Requires: (csharp-mode omnisharp oni-company oni-flycheck)

;; 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:

;; My C# configuration.

;;; Code:

(defvar oni-csharp--projects (make-hash-table :test 'equal))

(defun oni-csharp-collect-project-names ()
  "Go through the current buffer and collect all the project names."
  (interactive)
  (clrhash oni-csharp--projects)
  (save-excursion
    (goto-char (point-min))
    (while (re-search-forward
            (rx bol
                "Project(\"{"
                (group (minimal-match (1+ (or alphanumeric "-"))))
                "}\") = \""
                (group (minimal-match (1+ any)))
                "\", \""
                (minimal-match (1+ any))
                "\", \"{"
                (group (minimal-match (1+ any)))
                "}\""
                eol)
            nil
            :noerror)
      (puthash (match-string-no-properties 3)
               (match-string-no-properties 2)
               oni-csharp--projects))))

(defun oni-csharp-display-project-names ()
  "Display the project names in the current buffer."
  (interactive)
  (save-excursion
    (goto-char (point-min))
    (remove-overlays (point-min) (point-max) 'oni-csharp--overlayp t)
    (while (re-search-forward
            (rx bol
                (zero-or-more whitespace)
                "{"
                (group (minimal-match (one-or-more (or alphanumeric "-"))))
                "} = {"
                (group (minimal-match (one-or-more (or alphanumeric "-"))))
                "}"
                eol)
            nil
            :noerror)
      (let ((current-overlay (make-overlay (line-beginning-position) (line-end-position))))
        (overlay-put current-overlay 'after-string
                     (propertize (format "  => %s" (gethash (match-string 1) oni-csharp--projects))
                                 'face '(:foreground "#808080")))
        (overlay-put current-overlay 'oni-csharp--overlayp t)
        (overlay-put current-overlay 'evaporate t)))))

(with-eval-after-load 'company
  (add-to-list 'company-backends 'company-omnisharp))

(add-hook 'csharp-mode-hook 'company-mode)
(add-hook 'csharp-mode-hook 'electric-indent-local-mode)
(add-hook 'csharp-mode-hook 'electric-pair-local-mode)
(add-hook 'csharp-mode-hook 'flycheck-mode)
(add-hook 'csharp-mode-hook 'omnisharp-mode)

;;;###autoload(with-eval-after-load 'csharp-mode (require 'oni-csharp))

(provide 'oni-csharp)
;;; oni-csharp.el ends here