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Diffstat (limited to '.emacs.d/lisp/my/my-net.el')
-rw-r--r-- | .emacs.d/lisp/my/my-net.el | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/.emacs.d/lisp/my/my-net.el b/.emacs.d/lisp/my/my-net.el deleted file mode 100644 index 7713dba..0000000 --- a/.emacs.d/lisp/my/my-net.el +++ /dev/null @@ -1,113 +0,0 @@ -;;; my-net.el -- Network related extensions for emacs core -*- lexical-binding: t -*- - -;; Copyright (C) 2023 Free Software Foundation. - -;; Author: Yuchen Pei <id@ypei.org> -;; Package-Requires: ((emacs "28.2")) - -;; This file is part of dotfiles. - -;; dotfiles is free software: you can redistribute it and/or modify it under -;; the terms of the GNU Affero General Public License as published by -;; the Free Software Foundation, either version 3 of the License, or -;; (at your option) any later version. - -;; dotfiles 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 Affero General -;; Public License for more details. - -;; You should have received a copy of the GNU Affero General Public -;; License along with dotfiles. If not, see <https://www.gnu.org/licenses/>. - -;;; Commentary: - -;; Network related extensions for emacs core. - -;;; Code: - - -;;; net utilities -(defvar my-download-dir "~/Downloads") - -(defun my-make-file-name-from-url (url) - (file-name-nondirectory - (directory-file-name - (car (url-path-and-query (url-generic-parse-url - (url-unhex-string url))))))) - -(defun my-fetch-url (url) - (interactive "sURL: ") - (let ((file-name (expand-file-name (my-make-file-name-from-url url) - my-download-dir))) - (url-retrieve url 'my-fetch-url-save-and-switch (list file-name)))) - -(defun my-fetch-url-save-and-switch (status file-name) - (unless (plist-get status :error) - (my-delete-http-header) - (write-file file-name) - (let ((coding-system-for-read 'utf-8)) - (revert-buffer t t)) - (switch-to-buffer (current-buffer)))) - -(defun my-kill-http-header () - (my-skip-http-header) - (let ((killed (buffer-substring-no-properties (point-min) (point)))) - (delete-region (point-min) (point)) - killed)) - -(defun my-parse-http-header (text) - (let ((status) (fields)) - (with-temp-buffer - (insert text) - (goto-char (point-min)) - (re-search-forward "^HTTP.*\\([0-9]\\{3\\}\\).*$") - (setq status (match-string 1)) - (while (re-search-forward "^\\(.*?\\): \\(.*\\)$" nil t) - (push (cons (intern (match-string 1)) (match-string 2)) fields))) - (list (cons 'status status) (cons 'fields fields)))) - -(defvar my-client-buffer-name "*my-api*") - -(defun my-url-fetch-json (url &optional decompression with-header) - (my-url-fetch-internal - url - (lambda () - (json-read-from-string (decode-coding-string (buffer-string) 'utf-8))) - decompression - with-header)) - -(defun my-url-fetch-dom (url &optional decompression with-header) - (my-url-fetch-internal - url - (lambda () (libxml-parse-html-region (point) (point-max))) - decompression - with-header)) - -(defun my-url-fetch-internal (url buffer-processor decompression with-header) - (with-current-buffer (get-buffer-create my-client-buffer-name) - (goto-char (point-max)) - (insert "[" (current-time-string) "] Request: " url "\n")) - (with-current-buffer (url-retrieve-synchronously url t) - (let ((header (my-kill-http-header)) (status) (fields)) - (goto-char (point-min)) - (setq header (my-parse-http-header header) - status (alist-get 'status header) - fields (alist-get 'fields header)) - (with-current-buffer my-client-buffer-name - (insert "[" (current-time-string) "] Response: " status "\n")) - (when decompression - (call-process-region (point) (point-max) "gunzip" t t t) - (goto-char (point-min))) - (call-interactively 'delete-trailing-whitespace) - (if (string= status "200") - (unless (= (point) (point-max)) - (if with-header - (list - (cons 'header fields) - (cons 'json (funcall buffer-processor))) - (funcall buffer-processor))) - (error "HTTP error: %s" (buffer-substring (point) (point-max))))))) - -(provide 'my-net) -;;; my-net.el ends here |