884 lines
43 KiB
EmacsLisp
884 lines
43 KiB
EmacsLisp
;;; plantuml-mode.el --- Major mode for PlantUML -*- lexical-binding: t; -*-
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;; Filename: plantuml-mode.el
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;; Description: Major mode for PlantUML diagrams sources
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;; Compatibility: Tested with Emacs 25 through 27 (current master)
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;; Author: Zhang Weize (zwz)
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;; Maintainer: Carlo Sciolla (skuro)
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;; Keywords: uml plantuml ascii
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;; Version: 1.2.9
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;; Package-Version: 1.2.9
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;; Package-Requires: ((dash "2.0.0") (emacs "25.0"))
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;; This file is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; This file is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;; A major mode for plantuml, see: http://plantuml.sourceforge.net/
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;; Plantuml is an open-source tool in java that allows to quickly write :
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;; - sequence diagram,
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;; - use case diagram,
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;; - class diagram,
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;; - activity diagram,
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;; - component diagram,
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;; - state diagram
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;; - object diagram
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;;; Change log:
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;;
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;; version 1.4.1, 2019-09-03 Better indentation; more bugfixing; actually adding `executable' mode
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;; version 1.4.0, 2019-08-21 Added `executable' exec mode to use locally installed `plantuml' binaries, various bugfixes
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;; version 1.3.1, 2019-08-02 Fixed interactive behavior of `plantuml-set-exec-mode'
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;; version 1.3.0, 2019-05-31 Added experimental support for multiple rendering modes and, specifically, preview using a PlantUML server
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;; version 1.2.11, 2019-04-09 Added `plantuml-download-jar'
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;; version 1.2.10, 2019-04-03 Avoid messing with window layouts and buffers -- courtesy of https://github.com/wailo
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;; version 1.2.9, Revamped indentation support, now working with a greater number of keywords
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;; version 1.2.8, 2019-01-07 Support indentation for activate / deactivate blocks; allow customization of `plantuml-java-args'
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;; version 1.2.7, 2018-08-15 Added support for indentation; Fixed the comiling error when installing with melpa
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;; version 1.2.6, 2018-07-17 Introduced custom variable `plantuml-jar-args' to control which arguments are passed to PlantUML jar. Fix the warning of failing to specify types of 'defcustom' variables
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;; version 1.2.5, 2017-08-19 #53 Fixed installation warnings
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;; version 1.2.4, 2017-08-18 #60 Licensed with GPLv3+ to be compatible with Emacs
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;; version 1.2.3, 2016-12-25 #50 unicode support in generated output
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;; version 1.2.2, 2016-11-11 Fixed java commands handling under windows; support spaces in `plantuml-jar-path'
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;; version 1.2.1, 2016-11-11 Support for paths like `~/.plantuml/plantuml.jar' for `plantuml-jar-path' (the tilde was previously unsupported)
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;; version 1.2.0, 2016-11-09 Added `plantuml-preview-current-buffer', courtesy of @7mamu4
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;; version 1.1.1, 2016-11-08 Fix process handling with Windows native emacs; better file extention match for autoloading the mode
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;; version 1.1.0, 2016-10-18 Make PlantUML run headless by default; introduced custom variable `plantuml-java-args' to control which arguments are passed to Plantuml.
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;; version 1.0.1, 2016-10-17 Bugfix release: proper auto-mode-alist regex; init delayed at mode load; avoid calling hooks twice.
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;; version 1.0.0, 2016-10-16 Moved the mode to plantuml-mode, superseding zwz/plantuml-mode and skuro/puml-mode. Added preview for the currently selected region.
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;; version 0.6.7, 2016-10-11 [from puml-mode] Added deprecation warning in favor of plantuml-mode
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;; version 0.6.6, 2016-07-19 [from puml-mode] Added autoload, minor bug fixes
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;; version 0.6.5, 2016-03-24 [from puml-mode] Added UTF8 support and open in new window / frame shortcuts
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;; version 0.6.4, 2015-12-12 [from puml-mode] Added support for comments (single and multiline) -- thanks to https://github.com/nivekuil
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;; version 0.6.3, 2015-11-07 [from puml-mode] Added per-buffer configurability of output type (thanks to https://github.com/davazp)
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;; version 0.6.2, 2015-11-07 [from puml-mode] Added debugging capabilities to improve issue analysis
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;; version 0.6.1, 2015-09-26 [from puml-mode] Bugfix: use eq to compare symbols instead of cl-equalp
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;; version 0.6, 2015-09-26 [from puml-mode] Fixed PNG preview
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;; version 0.5, 2015-09-21 [from puml-mode] Added preview capabilities
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;; version 0.4, 2015-06-14 [from puml-mode] Use a puml- prefix to distinguish from the other plantuml-mode
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;; version 0.3, 2015-06-13 [from puml-mode] Compatibility with Emacs 24.x
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;; 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.
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;; version 0.1, 2010-08-25 [from puml-mode] First version
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;;; Code:
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(require 'thingatpt)
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(require 'dash)
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(require 'xml)
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(require 'cl)
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(defgroup plantuml-mode nil
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"Major mode for editing plantuml file."
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:group 'languages)
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(defcustom plantuml-jar-path
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(expand-file-name "~/plantuml.jar")
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"The location of the PlantUML executable JAR."
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:type 'string
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:group 'plantuml)
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(defcustom plantuml-executable-path
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"plantuml"
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"The location of the PlantUML executable."
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:type 'string
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:group 'plantuml)
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(defvar plantuml-mode-hook nil "Standard hook for plantuml-mode.")
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(defconst plantuml-mode-version "20190905.838" "The plantuml-mode version string.")
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(defvar plantuml-mode-debug-enabled nil)
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(defvar plantuml-font-lock-keywords nil)
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(defvar plantuml-mode-map
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(let ((keymap (make-sparse-keymap)))
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(define-key keymap (kbd "C-c C-c") 'plantuml-preview)
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(define-key keymap (kbd "C-c C-e") 'plantuml-export)
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keymap)
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"Keymap for plantuml-mode.")
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(defcustom plantuml-java-command "java"
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"The java command used to execute PlantUML."
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:type 'string
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:group 'plantuml)
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(defcustom plantuml-java-args (list "-Djava.awt.headless=true" "-jar" "--illegal-access=deny")
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"The parameters passed to `plantuml-java-command' when executing PlantUML."
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:type '(repeat string)
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:group 'plantuml)
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(defcustom plantuml-jar-args (list "-charset" "UTF-8" )
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"The parameters passed to `plantuml.jar', when executing PlantUML."
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:type '(repeat string)
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:group 'plantuml)
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(defcustom plantuml-server-url "https://www.plantuml.com/plantuml"
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"The base URL of the PlantUML server."
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:type 'string
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:group 'plantuml)
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(defcustom plantuml-executable-args (list "-headless")
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"The parameters passed to plantuml executable when executing PlantUML."
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:type '(repeat string)
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:group 'plantuml)
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(defcustom plantuml-default-exec-mode 'server
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"Default execution mode for PlantUML. Valid values are:
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- `jar': run PlantUML as a JAR file (requires a local install of the PlantUML JAR file, see `plantuml-jar-path'"
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:type 'symbol
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:group 'plantuml
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:options '(jar server executable))
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(defcustom plantuml-suppress-deprecation-warning t
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"To silence the deprecation warning when `puml-mode' is found upon loading."
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:type 'boolean
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:group 'plantuml)
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(defcustom plantuml-indent-level tab-width
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"Indentation level of PlantUML lines")
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(defcustom plantuml-export-overwrite-files nil
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"Control whether file exporting is allowed to silently overwrite files."
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:type 'boolean
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:group 'plantuml)
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(defun plantuml-jar-render-command (&rest arguments)
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"Create a command line to execute PlantUML with arguments (as ARGUMENTS)."
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(let* ((cmd-list (append plantuml-java-args (list (expand-file-name plantuml-jar-path)) plantuml-jar-args arguments))
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(cmd (mapconcat 'identity cmd-list "|")))
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(plantuml-debug (format "Command is [%s]" cmd))
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cmd-list))
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;;; syntax table
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(defvar plantuml-mode-syntax-table
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(let ((synTable (make-syntax-table)))
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(modify-syntax-entry ?\/ ". 14c" synTable)
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(modify-syntax-entry ?' "< 23" synTable)
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(modify-syntax-entry ?\n ">" synTable)
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(modify-syntax-entry ?\r ">" synTable)
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(modify-syntax-entry ?! "w" synTable)
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(modify-syntax-entry ?@ "w" synTable)
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(modify-syntax-entry ?# "'" synTable)
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synTable)
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"Syntax table for `plantuml-mode'.")
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(defvar plantuml-types nil)
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(defvar plantuml-keywords nil)
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(defvar plantuml-preprocessors nil)
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(defvar plantuml-builtins nil)
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;; keyword completion
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(defvar plantuml-kwdList nil "The plantuml keywords.")
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;; PlantUML execution mode
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(defvar-local plantuml-exec-mode nil
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"The Plantuml execution mode override. See `plantuml-default-exec-mode' for acceptable values.")
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(defun plantuml-set-exec-mode (mode)
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"Set the execution mode MODE for PlantUML."
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(interactive (let* ((completion-ignore-case t)
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(supported-modes '("jar" "server" "executable")))
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(list (completing-read (format "Exec mode [%s]: " plantuml-exec-mode)
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supported-modes
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nil
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t
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nil
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nil
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plantuml-exec-mode))))
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(if (member mode '("jar" "server" "executable"))
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(setq plantuml-exec-mode (intern mode))
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(error (concat "Unsupported mode:" mode))))
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(defun plantuml-get-exec-mode ()
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"Retrieves the currently active PlantUML exec mode."
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(or plantuml-exec-mode
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plantuml-default-exec-mode))
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(defun plantuml-enable-debug ()
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"Enables debug messages into the *PLANTUML Messages* buffer."
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(interactive)
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(setq plantuml-mode-debug-enabled t))
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(defun plantuml-disable-debug ()
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"Stops any debug messages to be added into the *PLANTUML Messages* buffer."
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(interactive)
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(setq plantuml-mode-debug-enabled nil))
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(defun plantuml-debug (msg)
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"Writes msg (as MSG) into the *PLANTUML Messages* buffer without annoying the user."
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(if plantuml-mode-debug-enabled
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(let* ((log-buffer-name "*PLANTUML Messages*")
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(log-buffer (get-buffer-create log-buffer-name)))
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(save-excursion
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(with-current-buffer log-buffer
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(goto-char (point-max))
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(insert msg)
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(insert "\n"))))))
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(defun plantuml-download-jar ()
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"Download the latest PlantUML JAR file and install it into `plantuml-jar-path'."
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(interactive)
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(if (y-or-n-p (format "Download the latest PlantUML JAR file into %s? " plantuml-jar-path))
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(if (or (not (file-exists-p plantuml-jar-path))
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(y-or-n-p (format "The PlantUML jar file already exists at %s, overwrite? " plantuml-jar-path)))
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(with-current-buffer (url-retrieve-synchronously "https://search.maven.org/solrsearch/select?q=g:net.sourceforge.plantuml+AND+a:plantuml&core=gav&start=0&rows=1&wt=xml")
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(mkdir (file-name-directory plantuml-jar-path) t)
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(let* ((parse-tree (xml-parse-region))
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(doc (->> parse-tree
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(assq 'response)
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(assq 'result)
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(assq 'doc)))
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(strs (xml-get-children doc 'str))
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(version (->> strs
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(--filter (string-equal "v" (xml-get-attribute it 'name)))
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(car)
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(xml-node-children)
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(car))))
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(message (concat "Downloading PlantUML v" version " into " plantuml-jar-path))
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(url-copy-file (format "https://search.maven.org/remotecontent?filepath=net/sourceforge/plantuml/plantuml/%s/plantuml-%s.jar" version version) plantuml-jar-path t)
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(kill-buffer)))
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(message "Aborted."))
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(message "Aborted.")))
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(defun plantuml-jar-java-version ()
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"Inspects the Java runtime version of the configured Java command in `plantuml-java-command'."
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(save-excursion
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(save-match-data
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(with-temp-buffer
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(call-process plantuml-java-command nil t nil "-XshowSettings:properties" "-version")
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(re-search-backward "java.version = \\(1.\\)?\\([[:digit:]]+\\)")
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(string-to-number (match-string 2))))))
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(defun plantuml-jar-get-language (buf)
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"Retrieve the language specification from the PlantUML JAR file and paste it into BUF."
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(unless (or (eq system-type 'cygwin) (file-exists-p plantuml-jar-path))
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(error "Could not find plantuml.jar at %s" plantuml-jar-path))
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(with-current-buffer buf
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(let ((cmd-args (append (list plantuml-java-command nil t nil)
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(plantuml-jar-render-command "-language"))))
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(apply 'call-process cmd-args)
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(goto-char (point-min)))))
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(defun plantuml-server-get-language (buf)
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"Retrieve the language specification from the PlantUML server and paste it into BUF."
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(let ((lang-url (concat plantuml-server-url "/language")))
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(with-current-buffer buf
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(url-insert-file-contents lang-url))))
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(defun plantuml-executable-get-language (buf)
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"Retrieve the language specification from the PlantUML executable and paste it into BUF."
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(with-current-buffer buf
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(let ((cmd-args (append (list plantuml-executable-path nil t nil) (list "-language"))))
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(apply 'call-process cmd-args)
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(goto-char (point-min)))))
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(defun plantuml-get-language (mode buf)
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"Retrieve the language spec using the preferred PlantUML execution mode MODE. Paste the result into BUF."
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(let ((get-fn (pcase mode
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('jar #'plantuml-jar-get-language)
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('server #'plantuml-server-get-language)
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('executable #'plantuml-executable-get-language))))
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(if get-fn
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(funcall get-fn buf)
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(error "Unsupported execution mode %s" mode))))
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(defun plantuml-init (mode)
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"Initialize the keywords or builtins from the cmdline language output. Use exec mode MODE to load the language details."
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(with-temp-buffer
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(plantuml-get-language mode (current-buffer))
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(let ((found (search-forward ";" nil t))
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(word "")
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(count 0)
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(pos 0))
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(while found
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(forward-char)
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(setq word (current-word))
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(if (string= word "EOF") (setq found nil)
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;; else
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(forward-line)
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(setq count (string-to-number (current-word)))
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(beginning-of-line 2)
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(setq pos (point))
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(forward-line count)
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(cond ((string= word "type")
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(setq plantuml-types
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(split-string
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(buffer-substring-no-properties pos (point)))))
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((string= word "keyword")
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(setq plantuml-keywords
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(split-string
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(buffer-substring-no-properties pos (point)))))
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((string= word "preprocessor")
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(setq plantuml-preprocessors
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(split-string
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(buffer-substring-no-properties pos (point)))))
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(t (setq plantuml-builtins
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(append
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plantuml-builtins
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(split-string
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(buffer-substring-no-properties pos (point)))))))
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(setq found (search-forward ";" nil nil)))))))
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(defconst plantuml-preview-buffer "*PLANTUML Preview*")
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(defvar plantuml-output-type
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(if (not (display-images-p))
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"txt"
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(cond ((image-type-available-p 'svg) "svg")
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((image-type-available-p 'png) "png")
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(t "txt")))
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"Specify the desired output type to use for generated diagrams.")
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(defun plantuml-read-output-type ()
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"Read from the minibuffer a output type."
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(let* ((completion-ignore-case t)
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(available-types
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(append
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(and (image-type-available-p 'svg) '("svg"))
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(and (image-type-available-p 'png) '("png"))
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'("txt"))))
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(completing-read (format "Output type [%s]: " plantuml-output-type)
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available-types
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nil
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t
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nil
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nil
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plantuml-output-type)))
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(defun plantuml-set-output-type (type)
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"Set the desired output type (as TYPE) for the current buffer.
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If the
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major mode of the current buffer mode is not plantuml-mode, set the
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default output type for new buffers."
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(interactive (list (plantuml-read-output-type)))
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(setq plantuml-output-type type))
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(defun plantuml-is-image-output-p ()
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"Return non-nil if the diagram output format is an image, false if it's text based."
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(not (equal "txt" plantuml-output-type)))
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(defun plantuml-jar-output-type-opt (output-type)
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"Create the flag to pass to PlantUML according to OUTPUT-TYPE.
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Note that output type `txt' is promoted to `utxt' for better rendering."
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(concat "-t" (pcase output-type
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("txt" "utxt")
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(_ output-type))))
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(defun plantuml-jar-start-process (buf)
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"Run PlantUML as an Emacs process and puts the output into the given buffer (as BUF)."
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(let ((java-args (if (<= 8 (plantuml-jar-java-version))
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(remove "--illegal-access=deny" plantuml-java-args)
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plantuml-java-args)))
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(apply #'start-process
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"PLANTUML" buf plantuml-java-command
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`(,@java-args
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,(expand-file-name plantuml-jar-path)
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,(plantuml-jar-output-type-opt plantuml-output-type)
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,@plantuml-jar-args
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"-p"))))
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(defun plantuml-executable-start-process (buf)
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"Run PlantUML as an Emacs process and puts the output into the given buffer (as BUF)."
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(apply #'start-process
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"PLANTUML" buf plantuml-executable-path
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`(,@plantuml-executable-args
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,(plantuml-jar-output-type-opt plantuml-output-type)
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"-p")))
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(defun plantuml-update-preview-buffer (prefix buf)
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"Show the preview in the preview buffer BUF.
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Window is selected according to PREFIX:
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- 4 (when prefixing the command with C-u) -> new window
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- 16 (when prefixing the command with C-u C-u) -> new frame.
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- else -> new buffer"
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(let ((imagep (and (display-images-p)
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(plantuml-is-image-output-p))))
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(cond
|
||
((= prefix 16) (switch-to-buffer-other-frame buf))
|
||
((= prefix 4) (switch-to-buffer-other-window buf))
|
||
(t (display-buffer buf)))
|
||
(when imagep
|
||
(with-current-buffer buf
|
||
(image-mode)
|
||
(set-buffer-multibyte t)))))
|
||
|
||
(defun plantuml-jar-preview-string (prefix string buf)
|
||
"Preview the diagram from STRING by running the PlantUML JAR.
|
||
Put the result into buffer BUF. Window is selected according to PREFIX:
|
||
- 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* ((process-connection-type nil)
|
||
(ps (plantuml-jar-start-process buf)))
|
||
(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))
|
||
(plantuml-update-preview-buffer prefix buf)))))
|
||
|
||
(defun plantuml-server-encode-url (string)
|
||
"Encode the string STRING into a URL suitable for PlantUML server interactions."
|
||
(let* ((coding-system (or buffer-file-coding-system
|
||
"utf8"))
|
||
(encoded-string (base64-encode-string (encode-coding-string string coding-system) t)))
|
||
(concat plantuml-server-url "/" plantuml-output-type "/-base64-" encoded-string)))
|
||
|
||
(defun plantuml-server-preview-string (prefix string buf)
|
||
"Preview the diagram from STRING as rendered by the PlantUML server.
|
||
Put the result into buffer BUF and place it according to PREFIX:
|
||
- 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* ((url-request-location (plantuml-server-encode-url string)))
|
||
(save-current-buffer
|
||
(save-match-data
|
||
(url-retrieve url-request-location
|
||
(lambda (status)
|
||
;; TODO: error check
|
||
(goto-char (point-min))
|
||
;; skip the HTTP headers
|
||
(while (not (looking-at "\n"))
|
||
(forward-line))
|
||
(kill-region (point-min) (+ 1 (point)))
|
||
(copy-to-buffer buf (point-min) (point-max))
|
||
(plantuml-update-preview-buffer prefix buf)))))))
|
||
|
||
(defun plantuml-executable-preview-string (prefix string buf)
|
||
"Preview the diagram from STRING by running the PlantUML JAR.
|
||
Put the result into buffer BUF. Window is selected according to PREFIX:
|
||
- 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* ((process-connection-type nil)
|
||
(ps (plantuml-executable-start-process buf)))
|
||
(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))
|
||
(plantuml-update-preview-buffer prefix buf)))))
|
||
|
||
(defun plantuml-exec-mode-preview-string (prefix mode string buf)
|
||
"Preview the diagram from STRING using the execution mode MODE.
|
||
Put the result into buffer BUF, selecting the window according to PREFIX:
|
||
- 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 ((preview-fn (pcase mode
|
||
('jar #'plantuml-jar-preview-string)
|
||
('server #'plantuml-server-preview-string)
|
||
('executable #'plantuml-executable-preview-string))))
|
||
(if preview-fn
|
||
(funcall preview-fn prefix string buf)
|
||
(error "Unsupported execution mode %s" mode))))
|
||
|
||
(defun plantuml-preview-string (prefix string)
|
||
"Preview diagram from PlantUML sources (as STRING), using prefix (as PREFIX)
|
||
to choose where to display it."
|
||
(let ((b (get-buffer plantuml-preview-buffer)))
|
||
(when b
|
||
(kill-buffer b)))
|
||
|
||
(let* ((imagep (and (display-images-p)
|
||
(plantuml-is-image-output-p)))
|
||
(buf (get-buffer-create plantuml-preview-buffer))
|
||
(coding-system-for-read (and imagep 'binary))
|
||
(coding-system-for-write (and imagep 'binary)))
|
||
(plantuml-exec-mode-preview-string prefix (plantuml-get-exec-mode) string buf)))
|
||
|
||
(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 begin end)
|
||
"Preview diagram from the PlantUML sources in from BEGIN to END.
|
||
Uses the current region when called interactively.
|
||
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\nr")
|
||
(plantuml-preview-string prefix (concat "@startuml\n"
|
||
(buffer-substring-no-properties
|
||
begin end)
|
||
"\n@enduml")))
|
||
|
||
(defun plantuml-preview-current-block (prefix)
|
||
"Preview diagram from the PlantUML sources from the previous @startuml to the next @enduml.
|
||
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")
|
||
(save-restriction
|
||
(narrow-to-region
|
||
(search-backward "@startuml") (search-forward "@enduml"))
|
||
(plantuml-preview-buffer prefix)))
|
||
|
||
(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 (region-beginning) (region-end))
|
||
(plantuml-preview-buffer prefix)))
|
||
|
||
|
||
;; Exporting to buffers
|
||
|
||
(cl-defgeneric plantuml-export-string-to-buffer (exec-mode string buffer)
|
||
"Export STRING to plantuml diagram using the given EXEC-MODE.
|
||
Use BUFFER to write the diagram to, clearing it first. This
|
||
buffer can be written to a file or be displayed directly."
|
||
(ignore string buffer)
|
||
(user-error "Exporting with exec-mode %s is not supported (yet)" exec-mode))
|
||
|
||
(cl-defmethod plantuml-export-string-to-buffer ((exec-mode (eql jar)) string buffer)
|
||
"Method to export plantuml diagrams in STRING to BUFFER using jar EXEC-MODE."
|
||
(ignore exec-mode)
|
||
(unless (bufferp buffer)
|
||
(user-error "Given argument BUFFER is not a buffer: %s" buffer))
|
||
|
||
(let ((java-args (if (<= 8 (plantuml-jar-java-version))
|
||
(remove "--illegal-access=deny" plantuml-java-args)
|
||
plantuml-java-args)))
|
||
|
||
(with-current-buffer buffer
|
||
(erase-buffer))
|
||
|
||
(let ((return-code (apply #'call-process-region
|
||
string nil
|
||
plantuml-java-command
|
||
nil buffer nil
|
||
`(,@java-args
|
||
,(expand-file-name plantuml-jar-path)
|
||
,(plantuml-jar-output-type-opt plantuml-output-type)
|
||
,@plantuml-jar-args
|
||
"-p"))))
|
||
|
||
;; If an error occured, return the return-code, and nil otherwise to
|
||
;; signal everything's fine.
|
||
(unless (zerop return-code)
|
||
return-code))))
|
||
|
||
;; TODO add support for exec-modes `server' and `executable'
|
||
|
||
(defun plantuml-export ()
|
||
"Export a plantuml diagram to a file.
|
||
Exports the whole buffer unless a region is active, in which case
|
||
only the region will be exported."
|
||
(interactive)
|
||
(let ((original-file-name (buffer-file-name (current-buffer)))
|
||
(diagram-string (if mark-active
|
||
(buffer-substring-no-properties
|
||
(region-beginning) (region-end))
|
||
(buffer-string)))
|
||
export-file-name
|
||
errors-during-export)
|
||
|
||
(unless original-file-name
|
||
(user-error "Current buffer is not associated with any file, cannot determine output file name"))
|
||
(setq export-file-name (concat (file-name-sans-extension original-file-name)
|
||
"."
|
||
plantuml-output-type))
|
||
(when (and (file-exists-p export-file-name)
|
||
(not plantuml-export-overwrite-files))
|
||
(user-error "File %s already exists, will not export"
|
||
export-file-name))
|
||
|
||
(message "Exporting to %s ..." export-file-name)
|
||
|
||
;; If there's already a buffer visiting that file, use that for the export;
|
||
;; otherwise create a new buffer.
|
||
(let ((target-buffer (or (find-buffer-visiting export-file-name)
|
||
(generate-new-buffer " *temp*"))))
|
||
;; When the buffer is in image-mode, erasing it's contents is not
|
||
;; possible, even when disabling `read-only-mode' explicitly. Let's just
|
||
;; switch to `fundamental-mode' to keep things simple.
|
||
(with-current-buffer target-buffer
|
||
(fundamental-mode))
|
||
;; We do not use `with-temp-buffer' here, as we want to stay in the
|
||
;; current buffer containing the plantuml diagram. The reason for this is
|
||
;; that `planumlt-output-type' is local to the current buffer, and
|
||
;; switching the buffer using `with-temp-buffer' may change its value and
|
||
;; thus may give inconsistent results (e.g., files with ending "svg" that
|
||
;; still contain a png).
|
||
(setq errors-during-export
|
||
(plantuml-export-string-to-buffer (plantuml-get-exec-mode)
|
||
diagram-string
|
||
target-buffer))
|
||
;; We export the result even in case of errors, as plantuml writes its
|
||
;; error messages to the target output. Furthermore, exporting is always
|
||
;; done without any conversion, as plantuml already outputs the desired
|
||
;; format bit by bit.
|
||
(with-current-buffer target-buffer
|
||
(let ((coding-system-for-write 'binary))
|
||
;; When exporting, we do not want to display the image in Emacs
|
||
;; itself; as rendering the image in Emacs may take a significant
|
||
;; amount of time, we try to inhibit the automatic image display
|
||
;; by binding `image-mode' to `image-mode-as-text'
|
||
(let ((auto-mode-alist nil)
|
||
(magic-fallback-mode-alist nil))
|
||
(write-file export-file-name)))))
|
||
|
||
(if errors-during-export
|
||
(message "Exporting to %s ... failed (see file for details)" export-file-name)
|
||
(message "Exporting to %s ... done" export-file-name))))
|
||
|
||
|
||
;;
|
||
|
||
;; Below are the regexp's for indentation.
|
||
;; Notes:
|
||
;; - there is some control on what it is indented by overriding some of below
|
||
;; X-start and X-end regexp before plantuml-mode is loaded. E.g., to disable
|
||
;; indentation on activate, you might define in your .emacs something like
|
||
;; (setq plantuml-indent-regexp-activate-start
|
||
;; "NEVER MATCH THIS EXPRESSION"); define _before_ load plantuml-mode!
|
||
;; (setq plantuml-indent-regexp-activate-end
|
||
;; "NEVER MATCH THIS EXPRESSION"); define _before_ load plantuml-mode!
|
||
;; - due to the nature of using (context-insensitive) regexp, indentation have
|
||
;; following limitations
|
||
;; - commands commented out by /' ... '/ will _not_ be ignored
|
||
;; and potentially lead to miss-indentation
|
||
;; - you can though somewhat correct mis-indentation by adding in '-comment lines
|
||
;; PLANTUML_MODE_INDENT_INCREASE and/or PLANTUML_MODE_INDENT_DECREASE
|
||
;; to increase and/or decrease the level of indentation
|
||
;; (Note: the line with the comment should not contain any text matching other indent
|
||
;; regexp or this user-control instruction will be ignored; also at most will count
|
||
;; per line ...)
|
||
|
||
(defvar plantuml-indent-regexp-block-start "^.*{[[:blank:]]*$"
|
||
"Indentation regex for all plantuml elements that might define a {} block.
|
||
Plantuml elements like skinparam, rectangle, sprite, package, etc.
|
||
The opening { has to be the last visible character in the line (whitespace
|
||
might follow).")
|
||
(defvar plantuml-indent-regexp-note-start "^[[:blank:]]*\\(floating[[:blank:]]+\\)?[hr]?note[[:blank:]]+\\(right\\|left\\|top\\|bottom\\|over\\)[^:]*?$"
|
||
"simplyfied regex; note syntax is especially inconsistent across diagrams")
|
||
(defvar plantuml-indent-regexp-group-start "^[[:blank:]]*\\(alt\\|else\\|opt\\|loop\\|par\\|break\\|critical\\|group\\)\\(?:[[:blank:]]+.+\\|$\\)"
|
||
"Indentation regex for plantuml group elements that are defined for sequence diagrams.
|
||
Two variants for groups: keyword is either followed by whitespace and some text
|
||
or it is followed by line end.")
|
||
(defvar plantuml-indent-regexp-activate-start "^[[:blank:]]*\\(activate[[:blank:]]+.+\\|[^\\+]+\\+\\+.*\\)$")
|
||
(defvar plantuml-indent-regexp-box-start "^[[:blank:]]*box[[:blank:]]+.+$")
|
||
(defvar plantuml-indent-regexp-ref-start "^[[:blank:]]*ref[[:blank:]]+over[[:blank:]]+[^:]+?$")
|
||
(defvar plantuml-indent-regexp-title-start "^[[:blank:]]*title[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-header-start "^[[:blank:]]*\\(?:\\(?:center\\|left\\|right\\)[[:blank:]]+header\\|header\\)[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-footer-start "^[[:blank:]]*\\(?:\\(?:center\\|left\\|right\\)[[:blank:]]+footer\\|footer\\)[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-legend-start "^[[:blank:]]*\\(?:legend\\|legend[[:blank:]]+\\(?:bottom\\|top\\)\\|legend[[:blank:]]+\\(?:center\\|left\\|right\\)\\|legend[[:blank:]]+\\(?:bottom\\|top\\)[[:blank:]]+\\(?:center\\|left\\|right\\)\\)[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-oldif-start "^.*if[[:blank:]]+\".*\"[[:blank:]]+then[[:blank:]]*\\('.*\\)?$"
|
||
"used in current activity diagram, sometimes already mentioned as deprecated")
|
||
(defvar plantuml-indent-regexp-newif-start "^[[:blank:]]*\\(?:else\\)?if[[:blank:]]+(.*)[[:blank:]]+then[[:blank:]]*.*$")
|
||
(defvar plantuml-indent-regexp-loop-start "^[[:blank:]]*\\(?:repeat[[:blank:]]*\\|while[[:blank:]]+(.*).*\\)$")
|
||
(defvar plantuml-indent-regexp-fork-start "^[[:blank:]]*\\(?:fork\\|split\\)\\(?:[[:blank:]]+again\\)?[[:blank:]]*$")
|
||
(defvar plantuml-indent-regexp-case-start "^[[:blank:]]*\\(?:switch\\|case\\)[[:blank:]]*(.*)[[:blank:]]*$")
|
||
(defvar plantuml-indent-regexp-macro-start "^[[:blank:]]*!definelong.*$")
|
||
(defvar plantuml-indent-regexp-user-control-start "^.*'.*[[:blank:]]*PLANTUML_MODE_INDENT_INCREASE[[:blank:]]*.*$")
|
||
(defvar plantuml-indent-regexp-start (list plantuml-indent-regexp-block-start
|
||
plantuml-indent-regexp-group-start
|
||
plantuml-indent-regexp-activate-start
|
||
plantuml-indent-regexp-box-start
|
||
plantuml-indent-regexp-ref-start
|
||
plantuml-indent-regexp-legend-start
|
||
plantuml-indent-regexp-note-start
|
||
plantuml-indent-regexp-newif-start
|
||
plantuml-indent-regexp-loop-start
|
||
plantuml-indent-regexp-fork-start
|
||
plantuml-indent-regexp-case-start
|
||
plantuml-indent-regexp-title-start
|
||
plantuml-indent-regexp-header-start
|
||
plantuml-indent-regexp-footer-start
|
||
plantuml-indent-regexp-macro-start
|
||
plantuml-indent-regexp-oldif-start
|
||
plantuml-indent-regexp-user-control-start))
|
||
(defvar plantuml-indent-regexp-block-end "^[[:blank:]]*\\(?:}\\|endif\\|else[[:blank:]]*.*\\|end\\)[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-note-end "^[[:blank:]]*\\(end[[:blank:]]+note\\|end[rh]note\\)[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-group-end "^[[:blank:]]*end[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-activate-end "^[[:blank:]]*\\(?:deactivate[[:blank:]]+.+\\|return.*\\)$")
|
||
(defvar plantuml-indent-regexp-box-end "^[[:blank:]]*end[[:blank:]]+box[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-ref-end "^[[:blank:]]*end[[:blank:]]+ref[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-title-end "^[[:blank:]]*end[[:blank:]]+title[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-header-end "^[[:blank:]]*endheader[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-footer-end "^[[:blank:]]*endfooter[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-legend-end "^[[:blank:]]*endlegend[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-oldif-end "^[[:blank:]]*\\(endif\\|else\\)[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-newif-end "^[[:blank:]]*\\(endif\\|elseif\\|else\\)[[:blank:]]*.*$")
|
||
(defvar plantuml-indent-regexp-loop-end "^[[:blank:]]*\\(repeat[[:blank:]]*while\\|endwhile\\)[[:blank:]]*.*$")
|
||
(defvar plantuml-indent-regexp-fork-end "^[[:blank:]]*\\(\\(fork\\|split\\)[[:blank:]]+again\\|end[[:blank:]]+\\(fork\\|split\\)\\)[[:blank:]]*$")
|
||
(defvar plantuml-indent-regexp-case-end "^[[:blank:]]*\\(case[[:blank:]]*(.*)\\|endswitch\\)[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-macro-end "^[[:blank:]]*!enddefinelong[[:blank:]]*\\('.*\\)?$")
|
||
(defvar plantuml-indent-regexp-user-control-end "^.*'.*[[:blank:]]*PLANTUML_MODE_INDENT_DECREASE[[:blank:]]*.*$")
|
||
(defvar plantuml-indent-regexp-end (list plantuml-indent-regexp-block-end
|
||
plantuml-indent-regexp-group-end
|
||
plantuml-indent-regexp-activate-end
|
||
plantuml-indent-regexp-box-end
|
||
plantuml-indent-regexp-ref-end
|
||
plantuml-indent-regexp-legend-end
|
||
plantuml-indent-regexp-note-end
|
||
plantuml-indent-regexp-newif-end
|
||
plantuml-indent-regexp-loop-end
|
||
plantuml-indent-regexp-fork-end
|
||
plantuml-indent-regexp-case-end
|
||
plantuml-indent-regexp-title-end
|
||
plantuml-indent-regexp-header-end
|
||
plantuml-indent-regexp-footer-end
|
||
plantuml-indent-regexp-macro-end
|
||
plantuml-indent-regexp-oldif-end
|
||
plantuml-indent-regexp-user-control-end))
|
||
|
||
(defun plantuml-init-once (&optional mode force)
|
||
"Initialize regular expressions for font locking.
|
||
Use exec mode MODE to load the language details or by first
|
||
querying `plantuml-get-exec-mode'. Ensure that initialization is
|
||
only performed when not already done. To force reinitalization,
|
||
provide a non-nil value for FORCE."
|
||
(let ((mode (or mode (plantuml-get-exec-mode))))
|
||
(when (or (not plantuml-kwdList)
|
||
force)
|
||
(plantuml-init mode)
|
||
(let ((plantuml-types-regexp (concat "^[[:blank:]]*\\("
|
||
(regexp-opt plantuml-types 'words)
|
||
"\\|\\<\\(note[[:blank:]]+over\\|note[[:blank:]]+\\(left\\|right\\|bottom\\|top\\)[[:blank:]]+\\(of\\)?\\)\\>\\|\\<\\(\\(left\\|center\\|right\\)[[:blank:]]+\\(header\\|footer\\)\\)\\>\\)"))
|
||
(plantuml-keywords-regexp (concat "^[[:blank:]]*"
|
||
(regexp-opt plantuml-keywords 'words)
|
||
"\\|\\(<\\|<|\\|\\*\\|o\\)\\(\\.+\\|-+\\)\\|\\(\\.+\\|-+\\)\\(>\\||>\\|\\*\\|o\\)\\|\\.\\{2,\\}\\|-\\{2,\\}"))
|
||
(plantuml-builtins-regexp (regexp-opt plantuml-builtins 'words))
|
||
(plantuml-preprocessors-regexp (concat "^[[:blank:]]*"
|
||
(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)))))
|
||
|
||
(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")))))
|
||
|
||
|
||
;; indentation
|
||
|
||
|
||
(defun plantuml-current-block-depth ()
|
||
"Trace the current block indentation level by recursively looking back line by line."
|
||
(save-excursion
|
||
(let ((relative-depth 0))
|
||
;; current line
|
||
(beginning-of-line)
|
||
(if (-any? 'looking-at plantuml-indent-regexp-end)
|
||
(setq relative-depth (1- relative-depth)))
|
||
|
||
;; from current line backwards to beginning of buffer
|
||
(while (not (bobp))
|
||
(forward-line -1)
|
||
(if (-any? 'looking-at plantuml-indent-regexp-end)
|
||
(setq relative-depth (1- relative-depth)))
|
||
(if (-any? 'looking-at plantuml-indent-regexp-start)
|
||
(setq relative-depth (1+ relative-depth))))
|
||
|
||
(if (<= relative-depth 0)
|
||
0
|
||
relative-depth))))
|
||
|
||
(defun plantuml-indent-line ()
|
||
"Indent the current line to its desired indentation level.
|
||
Restore point to same position in text of the line as before indentation."
|
||
(interactive)
|
||
;; store position of point in line measured from end of line
|
||
(let ((original-position-eol (- (line-end-position) (point))))
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(indent-line-to (* plantuml-indent-level (plantuml-current-block-depth))))
|
||
|
||
;; restore position in text of line, but not before the beginning of the
|
||
;; current line
|
||
(goto-char (max (line-beginning-position)
|
||
(- (line-end-position) original-position-eol)))))
|
||
|
||
|
||
;;;###autoload
|
||
(add-to-list 'auto-mode-alist '("\\.\\(plantuml\\|pum\\|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'"
|
||
(plantuml-init-once)
|
||
(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)
|
||
(set (make-local-variable 'indent-line-function) 'plantuml-indent-line)
|
||
(setq font-lock-defaults '((plantuml-font-lock-keywords) nil t)))
|
||
|
||
(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 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
|