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context.el
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context.el
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;;; context.el --- Support for ConTeXt documents.
;; Copyright (C) 2003-2006, 2008, 2010, 2012, 2014-2018
;; Free Software Foundation, Inc.
;; Maintainer: Berend de Boer <berend@pobox.com>
;; Keywords: tex
;; This file is part of AUCTeX.
;; AUCTeX 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, or (at your option)
;; any later version.
;; AUCTeX 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 AUCTeX; see the file COPYING. If not, write to the Free
;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
;; 02110-1301, USA.
;;; Commentary:
;; This is in progress ConTeXt support for AUCTeX. Please report
;; anomalies or things you believe should be added.
;; AUCTeX is closely interwoven with LaTeX. We have to split up
;; things without breaking 'em.
;; some parts are stolen from latex.el and adapted to ConTeXt.
;; TODO
;; 1. indentation still bad.
;; 2. paragraph refilling doesn't work 100%, and is very slow.
;; 4. Remove dependency on LaTeX by moving LaTeX commands to TeX.
;; 5. Most ConTeXt macro's don't currently have lisp code to query for
;; arguments. As ConTeXt arguments are quite complex, the LaTeX way
;; of querying for arguments just doesn't cut it.
;; 6. Check auto-parsing: does it detect % interface=nl for example?
;; 7. Complete adding ConTeXt macro's. Perhaps parse cont-en.xml and
;; generate the interfaces?
;; 8. Add to menu: make TeX hash (mktexlsr), context format and metapost format.
;; TODO Documentation
;; 1. multifile done differently with ConTeXt
;;; Code:
(require 'tex-buf)
(require 'tex)
(require 'latex) ; for functions like `TeX-look-at' and `LaTeX-split-long-menu'
(require 'plain-tex) ; for `plain-TeX-common-initialization'
(defgroup ConTeXt-macro nil
"Special support for ConTeXt macros in AUCTeX."
:prefix "TeX-"
:group 'ConTeXt
:group 'TeX-macro)
;;; variables
;; Dynamically scoped vars used in certain macro's.
;; BEWARE: We used to give them a global nil value, but this can mess up poor
;; unrelated packages using those same vars but expecting them to be
;; lexically scoped.
;; So don't give them a global value, which makes sure the effect of `defvar'
;; localized to this file!
(defvar done-mark) ;Position of point afterwards, default nil (meaning end)
(defvar reference);Used by `ConTeXt-section-ref' and `ConTeXt-section-section'.
(defvar title); Used by `ConTeXt-section-title' and `ConTeXt-section-section'.
(defvar name)
(defvar level)
;; others
(defvar ConTeXt-known-interfaces '("cz" "de" "en" "it" "nl" "ro" "uk"))
(defcustom ConTeXt-default-interface "en"
"Default interface to be used when running ConTeXt."
:group 'ConTeXt
:type 'string)
(defvar ConTeXt-current-interface "en"
"Interface to be used for inserting macros and ConTeXt run.")
(make-variable-buffer-local 'ConTeXt-current-interface)
(defvar ConTeXt-menu-changed nil)
;; Need to update ConTeXt menu.
(make-variable-buffer-local 'ConTeXt-menu-changed)
(defvar ConTeXt-largest-level nil
"Largest sectioning level within current document.")
(make-variable-buffer-local 'ConTeXt-largest-level)
(defun ConTeXt-largest-level ()
(TeX-update-style)
ConTeXt-largest-level)
;;; Syntax
(defvar ConTeXt-optop "["
"The ConTeXt optional argument opening character.")
(defvar ConTeXt-optcl "]"
"The ConTeXt optional argument closing character.")
;; Define a ConTeXt macro
(defvar ConTeXt-define-list ()
"Calls ConTeXt-XX-define-list where XX is the current interface.")
(defun ConTeXt-define-command (what)
"The ConTeXt macro to define WHAT."
(funcall
(intern (concat "ConTeXt-define-command-" ConTeXt-current-interface)) what))
(defun ConTeXt-insert-define (define)
"Insert the ConTeXt define macro DEFINE."
(insert TeX-esc (ConTeXt-define-command define))
(newline)
(indent-according-to-mode)
(ConTeXt-arg-setup nil))
;; Setup a ConTeXt macro
(defvar ConTeXt-setup-list ()
"Calls ConTeXt-XX-setup-list where XX is the current interface.")
(defun ConTeXt-setup-command (what)
"The ConTeXt macro to setup WHAT."
(funcall
(intern (concat "ConTeXt-setup-command-" ConTeXt-current-interface)) what))
(defun ConTeXt-insert-setup (setup)
"Insert the ConTeXt setup macro SETUP."
(insert TeX-esc (ConTeXt-setup-command setup))
(newline)
(indent-according-to-mode)
(ConTeXt-arg-setup nil))
;; Referencing ConTeXt macro's
(defvar ConTeXt-referencing-list ()
"Calls ConTeXt-XX-other-macro-list where XX is the current interface.")
(defun ConTeXt-referencing-command (what)
"The ConTeXt macro to call WHAT is itself, no interface specific calls."
what)
(defun ConTeXt-insert-referencing (what)
"Insert the ConTeXt referencing SETUP."
(insert TeX-esc (ConTeXt-referencing-command what))
(newline)
(indent-according-to-mode)
(ConTeXt-arg-setup nil))
;; Other ConTeXt macro's
(defvar ConTeXt-other-macro-list ()
"Calls ConTeXt-XX-other-macro-list where XX is the current interface.")
(defun ConTeXt-other-macro-command (what)
"The ConTeXt macro to call WHAT is itself, no interface specific calls."
what)
(defun ConTeXt-insert-other-macro (other-macro)
"Insert the ConTeXt other macro's macro SETUP."
(insert TeX-esc (ConTeXt-other-macro-command other-macro))
(newline)
(indent-according-to-mode)
(ConTeXt-arg-setup nil))
;;; Project structure
(defvar ConTeXt-project-structure-list ()
"Calls ConTeXt-XX-project-structure where XX is the current interface.")
(defun ConTeXt-project-structure (N)
"Insert a ConTeXt project structure where N is in index into `ConTeXt-project-structure-list'."
(funcall (intern(concat
"ConTeXt-project-"
(nth N ConTeXt-project-structure-list)
"-insert"))))
(defun ConTeXt-project-project-insert ()
"Insert a basic template for a new ConTeXt project."
(save-excursion
(insert "% The following names are examples only\n")
(insert TeX-esc (ConTeXt-environment-start-name) (nth 0 ConTeXt-project-structure-list) " myproject")
(newline 2)
(insert TeX-esc (nth 1 ConTeXt-project-structure-list) " myenvironment")
(newline 2)
(insert TeX-esc (nth 2 ConTeXt-project-structure-list) " myproduct1")
(newline 2)
(insert TeX-esc (nth 2 ConTeXt-project-structure-list) " myproduct2")
(newline 2)
(insert TeX-esc (ConTeXt-environment-stop-name) (nth 0 ConTeXt-project-structure-list))))
(defun ConTeXt-project-environment-insert ()
"Insert a basic template for the environment of a ConTeXt project."
(save-excursion
(insert "% The name 'myenvironment' is an example only.\n"
"% It must match the name in your project file.\n")
(insert TeX-esc (ConTeXt-environment-start-name)
(nth 1 ConTeXt-project-structure-list) " myenvironment\n\n")
(insert "% Put environment charateristics that must be defined at the "
"highest level here\n\n")
(insert TeX-esc (ConTeXt-environment-stop-name)
(nth 1 ConTeXt-project-structure-list))))
(defun ConTeXt-project-product-insert ()
"Insert a basic template for a product of a ConTeXt project."
(save-excursion
(insert "% The following names are examples only\n")
(insert TeX-esc (ConTeXt-environment-start-name)
(nth 2 ConTeXt-project-structure-list) " myproduct1")
(newline 2)
(insert TeX-esc (nth 0 ConTeXt-project-structure-list) " myproject")
(newline 2)
(insert "% Components are optional. "
"You can also just start your document here.\n")
(insert TeX-esc (nth 3 ConTeXt-project-structure-list) " mycomponent1")
(newline 2)
(insert TeX-esc (nth 3 ConTeXt-project-structure-list) " mycomponent2")
(newline 2)
(insert TeX-esc (ConTeXt-environment-stop-name)
(nth 2 ConTeXt-project-structure-list))))
(defun ConTeXt-project-component-insert ()
"Insert a basic template for a component of a ConTeXt project."
(save-excursion
(insert "% The following names are examples only\n")
(insert TeX-esc (ConTeXt-environment-start-name)
(nth 3 ConTeXt-project-structure-list) " mycomponent1")
(newline 2)
(insert TeX-esc (nth 0 ConTeXt-project-structure-list) " myproject\n")
(insert TeX-esc (nth 2 ConTeXt-project-structure-list) " myproduct1")
(newline 2)
(insert "% ... text here ...")
(newline 2)
(insert TeX-esc (ConTeXt-environment-stop-name)
(nth 3 ConTeXt-project-structure-list))))
;;; Section blocks
(defvar ConTeXt-section-block-list ()
"Calls ConTeXt-XX-section-list where XX is the current interface.")
(defun ConTeXt-section-block (section-block)
"Insert the ConTeXt section block SECTION-BLOCK."
(ConTeXt-environment-menu section-block))
;;; Sections
(defun ConTeXt-section (arg)
"Insert a template for a ConTeXt section.
Determinate the type of section to be inserted, by the argument ARG.
If ARG is nil or missing, use the current level.
If ARG is a list (selected by \\[universal-argument]), go downward one level.
If ARG is negative, go up that many levels.
If ARG is positive or zero, use absolute level:
0 : part
1 : chapter
2 : section
3 : subsection
4 : subsubsection
5 : subsubsubsection
Or:
0 : title
1 : subject
2 : subsubject
3 : subsubsubject
The following variables can be set to customize:
`ConTeXt-section-hook' Hooks to run when inserting a section.
`ConTeXt-section-ref' Prefix to all section references."
(interactive "*P")
(let* ((val (prefix-numeric-value arg))
(level (cond ((null arg)
(ConTeXt-current-section))
((listp arg)
(ConTeXt-down-section))
((< val 0)
(ConTeXt-up-section (- val)))
(t val)))
(name (ConTeXt-numbered-section-name level))
(title "")
(reference nil)
(done-mark (make-marker)))
(newline)
(run-hooks 'ConTeXt-numbered-section-hook)
(newline)
(if (marker-position done-mark)
(goto-char (marker-position done-mark)))
(set-marker done-mark nil)))
;; LaTeX has a max function here, which makes no sense.
;; I think you want to insert a section that is max ConTeXt-largest-level
(defun ConTeXt-current-section ()
"Return the level of the section that contain point.
See also `ConTeXt-section' for description of levels."
(save-excursion
(min (ConTeXt-largest-level)
(if (re-search-backward outline-regexp nil t)
(+ 1 (- (ConTeXt-outline-level) (ConTeXt-outline-offset)))
(ConTeXt-largest-level)))))
(defun ConTeXt-down-section ()
"Return the value of a section one level under the current.
Tries to find what kind of section that have been used earlier in the
text, if this fail, it will just return one less than the current
section."
(save-excursion
(let ((current (ConTeXt-current-section))
(next nil)
(regexp outline-regexp))
(if (not (re-search-backward regexp nil t))
(1+ current)
(while (not next)
(cond
((eq (ConTeXt-current-section) current)
(if (re-search-forward regexp nil t)
(if (<= (setq next (ConTeXt-current-section)) current) ;Wow!
(setq next (1+ current)))
(setq next (1+ current))))
((not (re-search-backward regexp nil t))
(setq next (1+ current)))))
next))))
(defun ConTeXt-up-section (arg)
"Return the value of the section ARG levels above this one."
(save-excursion
(if (zerop arg)
(ConTeXt-current-section)
(let ((current (ConTeXt-current-section)))
(while (and (>= (ConTeXt-current-section) current)
(re-search-backward outline-regexp
nil t)))
(ConTeXt-up-section (1- arg))))))
(defvar ConTeXt-numbered-section-list ()
"ConTeXt-XX-section-list where XX is the current interface.")
(defvar ConTeXt-unnumbered-section-list ()
"ConTeXt-XX-section-list where XX is the current interface.")
(defvar ConTeXt-section-list
(append ConTeXt-numbered-section-list ConTeXt-unnumbered-section-list)
)
(defun ConTeXt-numbered-section-name (level)
"Return the name of the section corresponding to LEVEL."
(let ((entry (TeX-member level ConTeXt-numbered-section-list
(function (lambda (a b) (equal a (nth 1 b)))))))
(if entry
(nth 0 entry)
nil)))
(defun ConTeXt-unnumbered-section-name (level)
"Return the name of the section corresponding to LEVEL."
(let ((entry (TeX-member level ConTeXt-unnumbered-section-list
(function (lambda (a b) (equal a (nth 1 b)))))))
(if entry
(nth 0 entry)
nil)))
(defun ConTeXt-numbered-section-level (name)
"Return the level of the section NAME."
(let ((entry (TeX-member name ConTeXt-numbered-section-list
(function (lambda (a b) (equal a (nth 0 b)))))))
(if entry
(nth 1 entry)
nil)))
(defun ConTeXt-unnumbered-section-level (name)
"Return the level of the section NAME."
(let ((entry (TeX-member name ConTeXt-numbered-section-list
(function (lambda (a b) (equal a (nth 0 b)))))))
(if entry
(nth 1 entry)
nil)))
;;; Section Hooks.
(defcustom ConTeXt-numbered-section-hook
'(ConTeXt-numbered-section-heading
ConTeXt-section-title
ConTeXt-section-ref
ConTeXt-section-section)
"List of hooks to run when a new section is inserted.
The following variables are set before the hooks are run
`level' - numeric section level, see the documentation of `ConTeXt-section'.
`name' - name of the sectioning command, derived from `level'.
`title' - The title of the section, default to an empty string.
`done-mark' - Position of point afterwards, default nil (meaning end).
The following standard hook exist -
ConTeXt-section-heading: Query the user about the name of the
sectioning command. Modifies `level' and `name'.
ConTeXt-section-title: Query the user about the title of the
section. Modifies `title'.
ConTeXt-section-section: Insert ConTeXt section command according to
`name', `title', and `reference'. If `title' is an empty string,
`done-mark' will be placed at the point they should be inserted.
ConTeXt-section-ref: Insert a reference for this section command.
To get a full featured `ConTeXt-section' command, insert
(setq ConTeXt-numbered-section-hook
'(ConTeXt-numbered-section-heading
ConTeXt-section-title
ConTeXt-section-section
ConTeXt-section-ref))
in your .emacs file."
:group 'ConTeXt-macro
:type 'hook
:options
'(ConTeXt-numbered-section-heading
ConTeXt-section-title
ConTeXt-section-ref
ConTeXt-section-section))
(defcustom ConTeXt-unnumbered-section-hook
'(ConTeXt-unnumbered-section-heading
ConTeXt-section-title
ConTeXt-section-ref
ConTeXt-section-section)
;; FIXME: I can't see where this variable is used!
"List of hooks to run when a new section is inserted.
The following variables are set before the hooks are run
`level' - numeric section level, see the documentation of `ConTeXt-section'.
`name' - name of the sectioning command, derived from `level'.
`title' - The title of the section, default to an empty string.
`done-mark' - Position of point afterwards, default nil (meaning end).
The following standard hook exist -
ConTeXt-section-heading: Query the user about the name of the
sectioning command. Modifies `level' and `name'.
ConTeXt-section-title: Query the user about the title of the
section. Modifies `title'.
ConTeXt-section-section: Insert ConTeXt section command according to
`name', `title', and `reference'. If `title' is an empty string,
`done-mark' will be placed at the point they should be inserted.
ConTeXt-section-ref: Insert a reference for this section command.
To get a full featured `ConTeXt-section' command, insert
(setq ConTeXt-unnumbered-section-hook
'(ConTeXt-unnumbered-section-heading
ConTeXt-section-title
ConTeXt-section-section
ConTeXt-section-ref))
in your .emacs file."
:group 'ConTeXt-macro
:type 'hook
:options
'(ConTeXt-unnumbered-section-heading
ConTeXt-section-title
ConTeXt-section-ref
ConTeXt-section-section))
;; Define before first use.
(defcustom ConTeXt-Mark-version "II"
"ConTeXt Mark version used for running ConTeXt."
:type 'string
:group 'TeX-command)
(make-variable-buffer-local 'ConTeXt-Mark-version)
(put 'ConTeXt-Mark-version 'safe-local-variable 'stringp)
(defun ConTeXt-numbered-section-heading ()
"Hook to prompt for ConTeXt section name.
Insert this hook into `ConTeXt-numbered-section-hook' to allow the user to change
the name of the sectioning command inserted with `\\[ConTeXt-section]'."
(let ((string (completing-read
(concat "Select level (default " name "): ")
ConTeXt-numbered-section-list
nil nil nil)))
;; Update name
(if (not (zerop (length string)))
(setq name string))))
(defun ConTeXt-unnumbered-section-heading ()
"Hook to prompt for ConTeXt section name.
Insert this hook into `ConTeXt-unnumbered-section-hook' to allow the user to change
the name of the sectioning command inserted with `\\[ConTeXt-section]'."
(let ((string (completing-read
(concat "Select level (default " name "): ")
ConTeXt-unnumbered-section-list
nil nil nil)))
;; Update name
(if (not (zerop (length string)))
(setq name string))))
(defun ConTeXt-section-title ()
"Hook to prompt for ConTeXt section title.
Insert this hook into `ConTeXt-(un)numbered-section-hook' to allow the user to change
the title of the section inserted with `\\[ConTeXt-section]."
(setq title (TeX-read-string "What title: ")))
(defun ConTeXt-section-section ()
"Hook to insert ConTeXt section command into the file.
Insert this hook into `ConTeXt-section-hook' after those hooks which sets
the `name', `title', and `reference' variables, but before those hooks which
assumes the section already is inserted."
(insert TeX-esc name)
(cond ((null reference))
((zerop (length reference))
(insert ConTeXt-optop)
(set-marker done-mark (point))
(insert ConTeXt-optcl))
(t
(insert ConTeXt-optop reference ConTeXt-optcl)))
(insert TeX-grop)
(if (zerop (length title))
(set-marker done-mark (point)))
(insert title TeX-grcl)
(newline)
;; If RefTeX is available, tell it that we've just made a new section
(and (fboundp 'reftex-notice-new-section)
(funcall (symbol-function 'reftex-notice-new-section))))
(defun ConTeXt-section-ref ()
"Hook to insert a reference after the sectioning command.
Insert this hook into `ConTeXt-section-hook' to prompt for a label to be
inserted after the sectioning command."
(setq reference (completing-read
(TeX-argument-prompt t nil
"Comma separated list of references")
(LaTeX-label-list) nil nil))
;; No reference or empty string entered?
(if (string-equal "" reference)
(setq reference nil)))
;; Various
(defun TeX-ConTeXt-sentinel (process name)
"Cleanup TeX output buffer after running ConTeXt."
(cond
;; Mark IV
((with-current-buffer TeX-command-buffer
(string= ConTeXt-Mark-version "IV"))
(cond ((TeX-TeX-sentinel-check process name))
((re-search-forward "fatal error: " nil t)
(message (concat name ": problems after "
(TeX-current-pages)))
(setq TeX-command-next TeX-command-default))
(t
(message (concat name ": successfully formatted "
(TeX-current-pages)))
(setq TeX-command-next TeX-command-Show))))
;; Mark II
(t
(cond ((TeX-TeX-sentinel-check process name))
((save-excursion
;; in a full ConTeXt run there will multiple texutil
;; outputs. Just looking for "another run needed" would
;; find the first occurence
(goto-char (point-max))
(re-search-backward "TeXUtil " nil t)
(re-search-forward "another run needed" nil t))
(message (concat "You should run ConTeXt again "
"to get references right, "
(TeX-current-pages)))
(setq TeX-command-next TeX-command-default))
((re-search-forward "removed files :" nil t)
(message "sucessfully cleaned up"))
((re-search-forward "^ ?TeX\\(Exec\\|Util\\)" nil t) ;; strange regexp --pg
(message (concat name ": successfully formatted "
(TeX-current-pages)))
(setq TeX-command-next TeX-command-Show))
(t
(message (concat name ": problems after "
(TeX-current-pages)))
(setq TeX-command-next TeX-command-default)))))
(unless TeX-error-list
(run-hook-with-args 'TeX-after-compilation-finished-functions
(with-current-buffer TeX-command-buffer
(expand-file-name
(TeX-active-master (TeX-output-extension)))))))
;;; Environments
(defgroup ConTeXt-environment nil
"Environments in ConTeXt."
:group 'ConTeXt-macro)
;; TODO: interface awareness
(defcustom ConTeXt-default-environment "itemize"
"*The default environment when creating new ones with `ConTeXt-environment'."
:group 'ConTeXt-environment
:type 'string)
(make-variable-buffer-local 'ConTeXt-default-environment)
(TeX-auto-add-type "environment" "ConTeXt")
(defadvice ConTeXt-add-environments (after ConTeXt-invalidate-menu (&rest environments) activate)
"Add ENVIRONMENTS to the list of known environments."
(setq ConTeXt-menu-changed t))
;; (defvar ConTeXt-environment-list ()
;; "ConTeXt-environment-list-XX where XX is the current interface.")
(defvar ConTeXt-environment-history nil)
(defun ConTeXt-environment-start-name ()
"Return the \\start translated to the language in current interface."
;; it is "inizia", others are "start"
(cond ((equal ConTeXt-current-interface "it")
"inizia")
((member ConTeXt-current-interface ConTeXt-known-interfaces)
"start")
(t
;; this should not happen
(error "Unknown interface: %s" ConTeXt-current-interface))))
(defun ConTeXt-environment-stop-name ()
"Return the \\stop translated to the language in current interface."
;; it is "termina", others are "stop"
(cond ((equal ConTeXt-current-interface "it")
"termina")
((member ConTeXt-current-interface ConTeXt-known-interfaces)
"stop")
(t
;; this should not happen
(error "Unknown interface: %s" ConTeXt-current-interface))))
(defun ConTeXt-environment (arg)
"Make ConTeXt environment (\\start...-\\stop... pair).
With optional ARG, modify current environment."
(interactive "*P")
(let* ((default (cond
((TeX-near-bobp) "text")
(t ConTeXt-default-environment)))
(environment
(completing-read (concat "Environment type (default " default "): ")
ConTeXt-environment-list nil nil nil
'ConTeXt-environment-history default)))
;; Use `environment' as default for the next time only if it is different
;; from the current default.
(unless (equal environment default)
(setq ConTeXt-default-environment environment))
(let ((entry (assoc environment ConTeXt-environment-list)))
(if (null entry)
(ConTeXt-add-environments (list environment)))
(if arg
(ConTeXt-modify-environment environment)
(ConTeXt-environment-menu environment)))))
(defun ConTeXt-modify-environment (environment)
"Modify current environment."
(save-excursion
(ConTeXt-find-matching-stop)
(re-search-backward (concat (regexp-quote TeX-esc)
(ConTeXt-environment-stop-name)
" *\\([a-zA-Z]*\\)")
(save-excursion (beginning-of-line 1) (point)))
(replace-match
(concat TeX-esc (ConTeXt-environment-stop-name) environment) t t)
(beginning-of-line 1)
(ConTeXt-find-matching-start)
(re-search-forward (concat (regexp-quote TeX-esc)
(ConTeXt-environment-start-name)
" *\\([a-zA-Z]*\\)")
(save-excursion (end-of-line 1) (point)))
(replace-match
(concat TeX-esc (ConTeXt-environment-start-name) environment) t t)))
(defun ConTeXt-environment-menu (environment)
"Insert ENVIRONMENT around point or region."
(let ((entry (assoc environment ConTeXt-environment-list)))
(cond ((not (and entry (nth 1 entry)))
(ConTeXt-insert-environment environment))
((numberp (nth 1 entry))
(let ((count (nth 1 entry))
(args ""))
(while (> count 0)
(setq args (concat args TeX-grop TeX-grcl))
(setq count (- count 1)))
(ConTeXt-insert-environment environment args)))
((stringp (nth 1 entry))
(let ((prompts (cdr entry))
(args ""))
(while prompts
(setq args (concat args
TeX-grop
(read-from-minibuffer
(concat (car prompts) ": "))
TeX-grcl))
(setq prompts (cdr prompts)))
(ConTeXt-insert-environment environment args)))
(t
(apply (nth 1 entry) environment (nthcdr 2 entry))))))
(defun ConTeXt-close-environment ()
"Insert \\stop... to match the current environment."
(interactive "*")
(beginning-of-line)
(let ((empty-line (looking-at "[ \t]*$")))
(end-of-line)
(if (not empty-line)
(newline)))
(insert TeX-esc (ConTeXt-environment-stop-name)
(ConTeXt-current-environment))
;; indent broken, so don't do it.
;;(indent-according-to-mode)
(end-of-line)
(newline))
(defun ConTeXt-insert-environment (environment &optional extra)
"Insert ENVIRONMENT, with optional argument EXTRA."
(if (and (TeX-active-mark)
(not (eq (mark) (point))))
(save-excursion
(if (< (mark) (point))
(exchange-point-and-mark))
(insert TeX-esc (ConTeXt-environment-start-name) environment)
(newline)
(forward-line -1)
(indent-according-to-mode)
(if extra (insert extra))
(goto-char (mark))
(or (TeX-looking-at-backward "^[ \t]*")
(newline))
(insert TeX-esc (ConTeXt-environment-stop-name) environment)
(newline)
(forward-line -1)
(indent-according-to-mode)
;;(goto-char (point))
)
(or (TeX-looking-at-backward "^[ \t]*")
(newline))
(insert TeX-esc (ConTeXt-environment-start-name) environment)
(indent-according-to-mode)
(if extra (insert extra))
(end-of-line)
(newline-and-indent)
(newline)
(insert TeX-esc (ConTeXt-environment-stop-name) environment)
(or (looking-at "[ \t]*$")
(save-excursion (newline-and-indent)))
(indent-according-to-mode)
(end-of-line 0)))
;; with the following we can call a function on an environment. Say
;; you have metapost stuff within your TeX file, go to the environment
;; and run ConTeXt-work-on-environment (suggested Key: C-c !). AUCTeX
;; sees that you are inside e.g. \startMPpage....\stopMPpage and
;; looks in ConTeXt-environment-helper for a function to be called.
;; % so pressing C-c ! inside the following ...
;;\startuseMPgraphic{Logo}{Scale}
;; % Top rectangle
;; filldraw (0,0)--(2cm,0)--(2cm,1cm)--(0,1cm)--cycle withcolor blue ;
;; % Bottom black rectangle
;; drawfill (0,0)--(2cm,0)--(2cm,-1cm)--(0,-1cm)--cycle withcolor black;
;; % White Text
;; draw btex \bf AB etex withcolor white ;
;; % resize to size
;; currentpicture := currentpicture scaled \MPvar{Scale} ;
;; \stopuseMPgraphic
;; % ...should give you a "new buffer" (currently narrowed to region
;; % and switched to metapost-mode and recursive-edit)
;; % Top rectangle
;; filldraw (0,0)--(2cm,0)--(2cm,1cm)--(0,1cm)--cycle withcolor blue ;
;; % Bottom black rectangle
;; drawfill (0,0)--(2cm,0)--(2cm,-1cm)--(0,-1cm)--cycle withcolor black;
;; % White Text
;; draw btex \bf AB etex withcolor white ;
;; % resize to size
;; currentpicture := currentpicture scaled \MPvar{Scale} ;
(defvar ConTeXt-environment-helper
'(("useMPgraphic" . ConTeXt-mp-region)
("MPpage" . ConTeXt-mp-region))
"Alist that holds functions to call for working on regions.
An entry looks like: (\"environment\" . function)")
(defun ConTeXt-mp-region ()
"Edit region in `metapost-mode'."
(ConTeXt-mark-environment t)
(narrow-to-region (mark) (point))
(metapost-mode)
(message "Type `M-x exit-recursive-edit' to get back")
(recursive-edit)
(context-mode)
(widen))
;; find smarter name. Suggestions welcome
(defun ConTeXt-work-on-environment ()
"Takes current environment and does something on it (todo: documentation)."
(interactive)
(let ((fun (cdr (assoc (ConTeXt-current-environment)
ConTeXt-environment-helper))))
(when (functionp fun)
(funcall fun))))
(defun ConTeXt-current-environment ()
"Return the name of the current environment."
;; don't make this interactive.
(let ((beg))
(save-excursion
(ConTeXt-last-unended-start)
(setq beg (+ (point) (length (ConTeXt-environment-start-name)) 1))
(goto-char (match-end 0))
(skip-chars-forward "a-zA-Z")
(buffer-substring beg (point)))))
(defun ConTeXt-last-unended-start ()
"Leave point at the beginning of the last `\\start...' that is unstopped looking from the current cursor."
(while (and (re-search-backward "\\\\start[a-zA-Z]*\\|\\\\stop[a-zA-Z]*")
(looking-at "\\\\stop[a-zA-Z]*"))
(ConTeXt-last-unended-start)))
(defun ConTeXt-mark-environment (&optional inner)
"Set mark to end of current environment (\\start...-\\stop...) and
point to the matching begin.
If optional INNER is not nil, include \\start... and \\stop, otherwise only
the contents."
(interactive)
(let ((cur (point)))
(ConTeXt-find-matching-stop inner)
(push-mark (point))
(goto-char cur)
(ConTeXt-find-matching-start inner)
(TeX-activate-region)))
(defun ConTeXt-find-matching-stop (&optional inner)
"Find end of current \\start...\\stop-Pair.
If INNER is non-nil, go to the point just past before
\\stop... macro. Otherwise goto the point just past \\stop..."
(interactive)
(let ((regexp (concat (regexp-quote TeX-esc)
"\\("
(ConTeXt-environment-start-name)
"\\|"
(ConTeXt-environment-stop-name)
"\\)"
))
(level 1))
;;jump over the \start... when at the beginning of it.
(when (looking-at (concat (regexp-quote TeX-esc)
(ConTeXt-environment-start-name)))
(re-search-forward regexp nil t))
(while (and (> level 0)
(re-search-forward regexp nil t)
(goto-char (1- (match-beginning 1)))
(cond ((looking-at (concat (regexp-quote TeX-esc)
(ConTeXt-environment-start-name)))
(re-search-forward regexp nil t)
(setq level (1+ level)))
((looking-at (concat (regexp-quote TeX-esc)
(ConTeXt-environment-stop-name)))
(re-search-forward regexp nil t)
(setq level (1- level))))))
;; now we have to look if we want to start behind the \start... macro
(if inner
(beginning-of-line)
(skip-chars-forward "a-zA-Z"))))
(defun ConTeXt-find-matching-start (&optional inner)
"Find beginning of current \\start...\\stop-Pair.
If INNER is non-nil, go to the point just past the \\start... macro."
(interactive)
(let ((regexp (concat (regexp-quote TeX-esc)
"\\("
(ConTeXt-environment-start-name)
"\\|"
(ConTeXt-environment-stop-name)
"\\)"
))
(level 1)
(pos))
(while (and (> level 0)
(re-search-backward regexp nil t)
(cond ((looking-at (concat (regexp-quote TeX-esc)
(ConTeXt-environment-stop-name)))
(setq level (1+ level)))
((looking-at (concat (regexp-quote TeX-esc)
(ConTeXt-environment-start-name)))
(setq level (1- level))))))
;; now we have to look if we want to start behind the \start... macro
(when inner
;; \startfoo can have 0 or more {} and [] pairs. I assume that
;; skipping all those parens will be smart enough. It fails when
;; the first part in the \start-\stop-environment is { or [, like
;; in \startquotation {\em important} \stopquotation. There is
;; yet another pitfall: \startsetups SomeSetup foo bar
;; \stopsetups will use SomeSetup as the argument and the
;; environment
(skip-chars-forward "\\\\a-zA-Z")
(save-excursion
(while (progn
(skip-chars-forward "\t\n ")
(forward-comment 1)
(skip-chars-forward "\t\n ")
(looking-at "\\s\("))
(forward-list 1)
(setq pos (point))))
(when pos
(goto-char pos))
(unless (bolp)
(forward-line)))))
;;; items
(defun ConTeXt-insert-item ()
"Insert a new item."
(interactive "*")
(or (TeX-looking-at-backward "^[ \t]*")
(newline))
(TeX-insert-macro "item")
(indent-according-to-mode))
;;; Macro Argument Hooks
(defun ConTeXt-optional-argument-insert (arg &optional _prefix)
"Insert ARG surrounded by square brackets."
(insert ConTeXt-optop)
(insert arg)
(insert ConTeXt-optcl))
(defun ConTeXt-required-argument-insert (arg &optional _prefix)
"Insert ARG surrounded by curly braces."
(insert TeX-grop)
(insert arg)
(insert TeX-grcl))
(defun ConTeXt-argument-insert (arg optional &optional prefix)
"Insert ARG surrounded by curly braces.
If OPTIONAL, only insert it if not empty, and then use square brackets."
(if optional
(if
(not (string-equal arg ""))
(ConTeXt-optional-argument-insert arg prefix))
(ConTeXt-required-argument-insert arg prefix)))
(defun ConTeXt-arg-ref (optional &optional prompt definition)
"Prompt for a reference completing with known references."
(let ((ref (completing-read (TeX-argument-prompt optional prompt "ref")
(LaTeX-label-list))))
(if (and definition (not (string-equal "" ref)))
(LaTeX-add-labels ref))
(ConTeXt-argument-insert ref optional)))
(defun ConTeXt-arg-define-ref (&optional prompt)
"Prompt for an optional reference completing with known references."
(ConTeXt-arg-ref t prompt t))
(defun ConTeXt-arg-setup (optional &optional prompt)
"Prompt for setup arguments."
(let ((setup (read-from-minibuffer
(TeX-argument-prompt optional prompt "Setup"))))
(ConTeXt-argument-insert setup t)))