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my-emacs-d/elpa/plantuml-mode-20161016.757/plantuml-mode.el

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Install plantuml-mode package
2016-10-17 14:24:31 +00:00
;;; plantuml-mode.el --- Major mode for PlantUML -*- lexical-binding: t; -*-
;; Filename: plantuml-mode.el
;; Description: Major mode for PlantUML diagrams sources
;; Compatibility: Tested with Emacs 24.3 through 24.5 on OS X 10.10
;; Author: Zhang Weize (zwz)
;; Maintainer: Carlo Sciolla (skuro)
;; Keywords: uml plantuml ascii
;; Package-Version: 20161016.757
;; Version: 0.6.8
;; Package-Requires: ((emacs "24"))
;; You can redistribute this program and/or modify it under the terms
;; of the GNU General Public License as published by the Free Software
;; Foundation; either version 2
;; NOTE: licensing fixed to GPLv2 as per original author comment
;;; Commentary:
;;
;; A major mode for plantuml, see: http://plantuml.sourceforge.net/
;; Plantuml is an open-source tool in java that allows to quickly write :
;; - sequence diagram,
;; - use case diagram,
;; - class diagram,
;; - activity diagram,
;; - component diagram,
;; - state diagram
;; - object diagram
;;; Change log:
;;
;; version 0.6.8, 2016-10-16 Moved the mode to plantuml-mode, superseding zwz/plantuml-mode and skuro/puml-mode. Added preview for the currently selected region.
;; version 0.6.7, 2016-10-11 [from puml-mode] Added deprecation warning in favor of plantuml-mode
;; version 0.6.6, 2016-07-19 [from puml-mode] Added autoload, minor bug fixes
;; version 0.6.5, 2016-03-24 [from puml-mode] Added UTF8 support and open in new window / frame shortcuts
;; version 0.6.4, 2015-12-12 [from puml-mode] Added support for comments (single and multiline) -- thanks to https://github.com/nivekuil
;; version 0.6.3, 2015-11-07 [from puml-mode] Added per-buffer configurability of output type (thanks to https://github.com/davazp)
;; version 0.6.2, 2015-11-07 [from puml-mode] Added debugging capabilities to improve issue analysis
;; version 0.6.1, 2015-09-26 [from puml-mode] Bugfix: use eq to compare symbols instead of cl-equalp
;; version 0.6, 2015-09-26 [from puml-mode] Fixed PNG preview
;; version 0.5, 2015-09-21 [from puml-mode] Added preview capabilities
;; version 0.4, 2015-06-14 [from puml-mode] Use a puml- prefix to distinguish from the other plantuml-mode
;; version 0.3, 2015-06-13 [from puml-mode] Compatibility with Emacs 24.x
;; version 0.2, 2010-09-20 [from puml-mode] Initialize the keywords from the -language output of plantuml.jar instead of the hard-coded way.
;; version 0.1, 2010-08-25 [from puml-mode] First version
;;; Code:
(require 'thingatpt)
(defgroup plantuml-mode nil
"Major mode for editing plantuml file."
:group 'languages)
(defcustom plantuml-jar-path
(expand-file-name "~/plantuml.jar")
"The location of the PlantUML executable JAR.")
(defvar plantuml-mode-hook nil "Standard hook for plantuml-mode.")
(defconst plantuml-mode-version "0.6.8" "The plantuml-mode version string.")
(defvar plantuml-mode-debug-enabled nil)
(defvar plantuml-font-lock-keywords nil)
(defvar plantuml-mode-map
(let ((keymap (make-sparse-keymap)))
(define-key keymap (kbd "C-c C-c") 'plantuml-preview)
keymap)
"Keymap for plantuml-mode.")
(defcustom plantuml-java-command "java" "The java command used to execute PlantUML.")
(defcustom plantuml-suppress-deprecation-warning t "To silence the deprecation warning when `puml-mode' is found upon loading.")
(defvar plantuml-run-command (concat plantuml-java-command " -jar %s"))
(defun plantuml-render-command (&rest arguments)
"Create a command line to execute PlantUML with arguments (as ARGUMENTS)."
(let ((cmd (format plantuml-run-command (shell-quote-argument plantuml-jar-path)))
(argstring (mapconcat 'shell-quote-argument arguments " ")))
(concat cmd " " argstring)))
;;; syntax table
(defvar plantuml-mode-syntax-table
(let ((synTable (make-syntax-table)))
(modify-syntax-entry ?\/ ". 41" synTable)
(modify-syntax-entry ?' "! 23b" synTable)
(modify-syntax-entry ?\n ">" synTable)
(modify-syntax-entry ?\r ">" synTable)
(modify-syntax-entry ?! "w" synTable)
(modify-syntax-entry ?@ "w" synTable)
(modify-syntax-entry ?# "'" synTable)
synTable)
"Syntax table for `plantuml-mode'.")
(defvar plantuml-types nil)
(defvar plantuml-keywords nil)
(defvar plantuml-preprocessors nil)
(defvar plantuml-builtins nil)
;; keyword completion
(defvar plantuml-kwdList nil "The plantuml keywords.")
(defun plantuml-enable-debug ()
"Enables debug messages into the *PLANTUML Messages* buffer."
(interactive)
(setq plantuml-mode-debug-enabled t))
(defun plantuml-disable-debug ()
"Stops any debug messages to be added into the *PLANTUML Messages* buffer."
(interactive)
(setq plantuml-mode-debug-enabled nil))
(defun plantuml-debug (msg)
"Writes msg (as MSG) into the *PLANTUML Messages* buffer without annoying the user."
(if plantuml-mode-debug-enabled
(let* ((log-buffer-name "*PLANTUML Messages*")
(log-buffer (get-buffer-create log-buffer-name)))
(save-excursion
(with-current-buffer log-buffer
(goto-char (point-max))
(insert msg)
(insert "\n"))))))
(defun plantuml-init ()
"Initialize the keywords or builtins from the cmdline language output."
(unless (file-exists-p plantuml-jar-path)
(error "Could not find plantuml.jar at %s" plantuml-jar-path))
(with-temp-buffer
(shell-command (plantuml-render-command "-charset UTF-8 -language") (current-buffer))
(goto-char (point-min))
(let ((found (search-forward ";" nil t))
(word "")
(count 0)
(pos 0))
(while found
(forward-char)
(setq word (current-word))
(if (string= word "EOF") (setq found nil)
;; else
(forward-line)
(setq count (string-to-number (current-word)))
(beginning-of-line 2)
(setq pos (point))
(forward-line count)
(cond ((string= word "type")
(setq plantuml-types
(split-string
(buffer-substring-no-properties pos (point)))))
((string= word "keyword")
(setq plantuml-keywords
(split-string
(buffer-substring-no-properties pos (point)))))
((string= word "preprocessor")
(setq plantuml-preprocessors
(split-string
(buffer-substring-no-properties pos (point)))))
(t (setq plantuml-builtins
(append
plantuml-builtins
(split-string
(buffer-substring-no-properties pos (point)))))))
(setq found (search-forward ";" nil nil)))))))
(defconst plantuml-preview-buffer "*PLANTUML Preview*")
(defvar plantuml-output-type
(if (not (display-images-p))
"utxt"
(cond ((image-type-available-p 'svg) "svg")
((image-type-available-p 'png) "png")
(t "utxt")))
"Specify the desired output type to use for generated diagrams.")
(defun plantuml-read-output-type ()
"Read from the minibuffer a output type."
(let* ((completion-ignore-case t)
(available-types
(append
(and (image-type-available-p 'svg) '("svg"))
(and (image-type-available-p 'png) '("png"))
'("utxt"))))
(completing-read (format "Output type [%s]: " plantuml-output-type)
available-types
nil
t
nil
nil
plantuml-output-type)))
(defun plantuml-set-output-type (type)
"Set the desired output type (as TYPE) for the current buffer.
If the
major mode of the current buffer mode is not plantuml-mode, set the
default output type for new buffers."
(interactive (list (plantuml-read-output-type)))
(setq plantuml-output-type type))
(defun plantuml-is-image-output-p ()
"Return true if the diagram output format is an image, false if it's text based."
(not (equal "utxt" plantuml-output-type)))
(defun plantuml-output-type-opt ()
"Create the flag to pass to PlantUML to produce the selected output format."
(concat "-t" plantuml-output-type))
(defun plantuml-preview-string (prefix string)
"Preview diagram from PlantUML sources (as STRING), using prefix (as PREFIX)
to choose where to display it:
- 4 (when prefixing the command with C-u) -> new window
- 16 (when prefixing the command with C-u C-u) -> new frame.
- else -> new buffer"
(let ((b (get-buffer plantuml-preview-buffer)))
(when b
(kill-buffer b)))
(let* ((imagep (and (display-images-p)
(plantuml-is-image-output-p)))
(process-connection-type nil)
(buf (get-buffer-create plantuml-preview-buffer))
(coding-system-for-read (and imagep 'binary))
(coding-system-for-write (and imagep 'binary)))
(let ((ps (start-process "PLANTUML" buf
plantuml-java-command "-jar" (shell-quote-argument plantuml-jar-path)
(plantuml-output-type-opt) "-p")))
(process-send-string ps string)
(process-send-eof ps)
(set-process-sentinel ps
(lambda (_ps event)
(unless (equal event "finished\n")
(error "PLANTUML Preview failed: %s" event))
(cond
((= prefix 16)
(switch-to-buffer-other-frame plantuml-preview-buffer))
((= prefix 4)
(switch-to-buffer-other-window plantuml-preview-buffer))
(t (switch-to-buffer plantuml-preview-buffer)))
(when imagep
(image-mode)
(set-buffer-multibyte t)))))))
(defun plantuml-preview-buffer (prefix)
"Preview diagram from the PlantUML sources in the current buffer.
Uses prefix (as PREFIX) to choose where to display it:
- 4 (when prefixing the command with C-u) -> new window
- 16 (when prefixing the command with C-u C-u) -> new frame.
- else -> new buffer"
(interactive "p")
(plantuml-preview-string prefix (buffer-string)))
(defun plantuml-preview-region (prefix)
"Preview diagram from the PlantUML sources in the current region.
Uses prefix (as PREFIX) to choose where to display it:
- 4 (when prefixing the command with C-u) -> new window
- 16 (when prefixing the command with C-u C-u) -> new frame.
- else -> new buffer"
(interactive "p")
(plantuml-preview-string prefix (concat "@startuml\n"
(buffer-substring-no-properties
(region-beginning) (region-end))
"\n@enduml")))
(defun plantuml-preview (prefix)
"Preview diagram from the PlantUML sources.
Uses the current region if one is active, or the entire buffer otherwise.
Uses prefix (as PREFIX) to choose where to display it:
- 4 (when prefixing the command with C-u) -> new window
- 16 (when prefixing the command with C-u C-u) -> new frame.
- else -> new buffer"
(interactive "p")
(if mark-active
(plantuml-preview-region prefix)
(plantuml-preview-buffer prefix)))
(unless plantuml-kwdList
(plantuml-init)
(defvar plantuml-types-regexp (concat "^\\s *\\(" (regexp-opt plantuml-types 'words) "\\|\\<\\(note\\s +over\\|note\\s +\\(left\\|right\\|bottom\\|top\\)\\s +\\(of\\)?\\)\\>\\|\\<\\(\\(left\\|center\\|right\\)\\s +\\(header\\|footer\\)\\)\\>\\)"))
(defvar plantuml-keywords-regexp (concat "^\\s *" (regexp-opt plantuml-keywords 'words) "\\|\\(<\\|<|\\|\\*\\|o\\)\\(\\.+\\|-+\\)\\|\\(\\.+\\|-+\\)\\(>\\||>\\|\\*\\|o\\)\\|\\.\\{2,\\}\\|-\\{2,\\}"))
(defvar plantuml-builtins-regexp (regexp-opt plantuml-builtins 'words))
(defvar plantuml-preprocessors-regexp (concat "^\\s *" (regexp-opt plantuml-preprocessors 'words)))
(setq plantuml-font-lock-keywords
`(
(,plantuml-types-regexp . font-lock-type-face)
(,plantuml-keywords-regexp . font-lock-keyword-face)
(,plantuml-builtins-regexp . font-lock-builtin-face)
(,plantuml-preprocessors-regexp . font-lock-preprocessor-face)
;; note: order matters
))
(setq plantuml-kwdList (make-hash-table :test 'equal))
(mapc (lambda (x) (puthash x t plantuml-kwdList)) plantuml-types)
(mapc (lambda (x) (puthash x t plantuml-kwdList)) plantuml-keywords)
(mapc (lambda (x) (puthash x t plantuml-kwdList)) plantuml-builtins)
(mapc (lambda (x) (puthash x t plantuml-kwdList)) plantuml-preprocessors)
(put 'plantuml-kwdList 'risky-local-variable t)
;; clear memory
(setq plantuml-types nil)
(setq plantuml-keywords nil)
(setq plantuml-builtins nil)
(setq plantuml-preprocessors nil)
(setq plantuml-types-regexp nil)
(setq plantuml-keywords-regexp nil)
(setq plantuml-builtins-regexp nil)
(setq plantuml-preprocessors-regexp nil))
(defun plantuml-complete-symbol ()
"Perform keyword completion on word before cursor."
(interactive)
(let ((posEnd (point))
(meat (thing-at-point 'symbol))
maxMatchResult)
(when (not meat) (setq meat ""))
(setq maxMatchResult (try-completion meat plantuml-kwdList))
(cond ((eq maxMatchResult t))
((null maxMatchResult)
(message "Can't find completion for \"%s\"" meat)
(ding))
((not (string= meat maxMatchResult))
(delete-region (- posEnd (length meat)) posEnd)
(insert maxMatchResult))
(t (message "Making completion list...")
(with-output-to-temp-buffer "*Completions*"
(display-completion-list
(all-completions meat plantuml-kwdList)))
(message "Making completion list...%s" "done")))))
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.(plantuml|pum|plantuml|plu)$" . plantuml-mode))
;;;###autoload
(define-derived-mode plantuml-mode prog-mode "plantuml"
"Major mode for plantuml.
Shortcuts Command Name
\\[plantuml-complete-symbol] `plantuml-complete-symbol'"
(make-local-variable 'plantuml-output-type)
(set (make-local-variable 'comment-start-skip) "\\('+\\|/'+\\)\\s *")
(set (make-local-variable 'comment-start) "/'")
(set (make-local-variable 'comment-end) "'/")
(set (make-local-variable 'comment-multi-line) t)
(set (make-local-variable 'comment-style) 'extra-line)
(setq font-lock-defaults '((plantuml-font-lock-keywords) nil t))
; Run hooks:
(run-mode-hooks 'plantuml-mode-hook))
(defun plantuml-deprecation-warning ()
"Warns the user about the deprecation of the `puml-mode' project."
(if (and plantuml-suppress-deprecation-warning
(featurep 'puml-mode))
(display-warning :warning
"`puml-mode' is now deprecated and no longer updated, but it's still present in your system.\
You should move your configuration to use `plantuml-mode'. See https://github.com/sytac/plantuml-mode. \
See more at https://github.com/skuro/puml-mode/issues/26")))
(add-hook 'plantuml-mode-hook 'plantuml-deprecation-warning)
(provide 'plantuml-mode)
;;; plantuml-mode.el ends here
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