--- /dev/null
+;;; ptexinfmt.el -- portable Texinfo formatter.
+
+;; Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993,
+;; 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+;; Copyright (C) 1999 Yoshiki Hayashi <yoshiki@xemacs.org>
+;; Copyright (C) 2000 TAKAHASHI Kaoru <kaoru@kaisei.org>
+
+;; Author: TAKAHASHI Kaoru <kaoru@kaisei.org>
+;; Yoshiki Hayashi <yoshiki@xemacs.org>
+;; Maintainer: TAKAHASHI Kaoru <kaoru@kaisei.org>
+;; Created: 7 Jul 2000
+;; Keywords: maint, tex, docs, emulation, compatibility
+
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation; either version 2, or (at
+;; your option) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;; Original code: Yoshiki Hayashi <yoshiki@xemacs.org>
+;; makeinfo.el (gnujdoc project)
+
+;; Support texinfmt.el 2.32 or later.
+
+;;; Code:
+(require 'texinfmt)
+(require 'poe)
+(require 'broken)
+
+(provide 'ptexinfmt)
+
+;;; Broken
+;; @var
+(broken-facility texinfo-format-var
+ "Don't perse @COMMAND included @var"
+ (condition-case nil
+ (with-temp-buffer
+ (let (texinfo-enclosure-list texinfo-alias-list)
+ (texinfo-mode)
+ (insert "@var{@asis{foo}}\n")
+ (texinfo-format-expand-region (point-min) (point-max))
+ t))
+ (error nil))
+ 'no-notice)
+
+;; @xref
+(broken-facility texinfo-format-xref
+ "Can't format 1st argument empty @xref."
+ (condition-case nil
+ (with-temp-buffer
+ (let (texinfo-enclosure-list texinfo-alias-list)
+ (texinfo-mode)
+ (insert "@xref{, xref, , file}\n")
+ (texinfo-format-expand-region (point-min) (point-max))
+ t))
+ (error nil))
+ 'no-notice)
+
+;; @uref
+(broken-facility texinfo-format-uref
+ "Parse 2 times @uref argument."
+ (condition-case nil
+ (with-temp-buffer
+ (let (texinfo-enclosure-list texinfo-alias-list)
+ (texinfo-mode)
+ (insert "@uref{mailto:foo@@bar.com}\n")
+ (texinfo-format-expand-region (point-min) (point-max))
+ t))
+ (error nil))
+ 'no-notice)
+
+;;; Obsolete
+;; Removed Texinfo 3.8
+(put 'overfullrule 'texinfo-format 'texinfo-discard-line)
+(put 'smallbreak 'texinfo-format 'texinfo-discard-line)
+(put 'medbreak 'texinfo-format 'texinfo-discard-line)
+(put 'bigbreak 'texinfo-format 'texinfo-discard-line)
+;; Removed Texinfo 3.9
+(put 'setchapterstyle 'texinfo-format 'texinfo-discard-line-with-args)
+
+;;; Hardcopy and HTML (discard)
+;; I18N
+(put 'documentlanguage 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'documentencoding 'texinfo-format 'texinfo-discard-line-with-args)
+
+;; size
+(put 'smallbook 'texinfo-format 'texinfo-discard-line)
+(put 'afourpaper 'texinfo-format 'texinfo-discard-line)
+(put 'afourlatex 'texinfo-format 'texinfo-discard-line)
+(put 'afourwide 'texinfo-format 'texinfo-discard-line)
+(put 'pagesizes 'texinfo-format 'texinfo-discard-line-with-args)
+
+;; style
+(put 'setchapternewpage 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'kbdinputstyle 'texinfo-format 'texinfo-discard-line-with-args)
+
+;; flags
+(put 'setcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
+(put 'setshortcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
+(put 'novalidate 'texinfo-format 'texinfo-discard-line-with-args)
+
+;; head & foot
+(put 'headings 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'evenfooting 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'evenheading 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'oddfooting 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'oddheading 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'everyfooting 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'everyheading 'texinfo-format 'texinfo-discard-line-with-args)
+
+;; misc
+(put 'page 'texinfo-format 'texinfo-discard-line)
+(put 'hyphenation 'texinfo-format 'texinfo-discard-command-and-arg)
+
+
+\f
+;;; Directory File
+;; @direcategory
+(put 'dircategory 'texinfo-format 'texinfo-format-dircategory)
+(defun-maybe texinfo-format-dircategory ()
+ (let ((str (texinfo-parse-arg-discard)))
+ (delete-region (point)
+ (progn
+ (skip-chars-forward " ")
+ (point)))
+ (insert "INFO-DIR-SECTION " str "\n")))
+
+;; @direntry
+(put 'direntry 'texinfo-format 'texinfo-format-direntry)
+(defun-maybe texinfo-format-direntry ()
+ (texinfo-push-stack 'direntry nil)
+ (texinfo-discard-line)
+ (insert "START-INFO-DIR-ENTRY\n\n"))
+
+(put 'direntry 'texinfo-end 'texinfo-end-direntry)
+(defun-maybe texinfo-end-direntry ()
+ (texinfo-discard-command)
+ (insert "END-INFO-DIR-ENTRY\n\n")
+ (texinfo-pop-stack 'direntry))
+
+
+;;; Block Enclosing and Conditional
+;; @detailmenu ... @end detailmenu
+(put 'detailmenu 'texinfo-format 'texinfo-discard-line)
+(put 'detailmenu 'texinfo-end 'texinfo-discard-command)
+
+;; @smalldisplay ... @end smalldisplay
+(put 'smalldisplay 'texinfo-format 'texinfo-format-example)
+(put 'smalldisplay 'texinfo-end 'texinfo-end-example)
+
+;; @smallformat ... @end smallformat
+(put 'smallformat 'texinfo-format 'texinfo-format-flushleft)
+(put 'smallformat 'texinfo-end 'texinfo-end-flushleft)
+
+;; @ifnottex ... @end ifnottex
+(put 'ifnottex 'texinfo-format 'texinfo-discard-line)
+(put 'ifnottex 'texinfo-end 'texinfo-discard-command)
+
+;; @ifnothtml ... @end ifnothtml
+(put 'ifnothtml 'texinfo-format 'texinfo-discard-line)
+(put 'ifnothtml 'texinfo-end 'texinfo-discard-command)
+
+;; @ifnotinfo ... @end ifnotinfo
+(put 'ifnotinfo 'texinfo-format 'texinfo-format-ifnotinfo)
+(put 'endifnotinfo 'texinfo-format 'texinfo-discard-line)
+(defun-maybe texinfo-format-ifnotinfo ()
+ (delete-region texinfo-command-start
+ (progn (re-search-forward "@end ifnotinfo[ \t]*\n")
+ (point))))
+
+;; @html ... @end html
+(put 'html 'texinfo-format 'texinfo-format-html)
+(put 'endhtml 'texinfo-format 'texinfo-discard-line)
+(defun-maybe texinfo-format-html ()
+ (delete-region texinfo-command-start
+ (progn (re-search-forward "@end html[ \t]*\n")
+ (point))))
+
+
+\f
+;;; Marking
+;; @url, @env, @command
+(put 'url 'texinfo-format 'texinfo-format-code)
+(put 'env 'texinfo-format 'texinfo-format-code)
+(put 'command 'texinfo-format 'texinfo-format-code)
+
+;; @acronym
+(put 'acronym 'texinfo-format 'texinfo-format-var)
+
+(when-broken texinfo-format-var
+ (fmakunbound 'texinfo-format-var))
+(defun-maybe texinfo-format-var ()
+ (let ((arg (texinfo-parse-expanded-arg)))
+ (texinfo-discard-command)
+ (insert (upcase arg))))
+
+;; @key
+(put 'key 'texinfo-format 'texinfo-format-key)
+(defun-maybe texinfo-format-key ()
+ (insert (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @email{EMAIL-ADDRESS[, DISPLAYED-TEXT]}
+(put 'email 'texinfo-format 'texinfo-format-email)
+(defun-maybe texinfo-format-email ()
+ "Format EMAIL-ADDRESS and optional DISPLAYED-TXT.
+Insert < ... > around EMAIL-ADDRESS."
+ (let ((args (texinfo-format-parse-args)))
+ (texinfo-discard-command)
+ ;; if displayed-text
+ (if (nth 1 args)
+ (insert (nth 1 args) " <" (nth 0 args) ">")
+ (insert "<" (nth 0 args) ">"))))
+
+;; @option
+(put 'option 'texinfo-format 'texinfo-format-option)
+(defun texinfo-format-option ()
+ "Insert ` ... ' around arg unless inside a table; in that case, no quotes."
+ ;; `looking-at-backward' not available in v. 18.57, 20.2
+ ;; searched-for character is a control-H
+ (if (not (search-backward "\010"
+ (save-excursion (beginning-of-line) (point))
+ t))
+ (insert "`" (texinfo-parse-arg-discard) "'")
+ (insert (texinfo-parse-arg-discard)))
+ (goto-char texinfo-command-start))
+
+
+\f
+;;; Accents and Special characters
+;; @pounds{} ==> # Pounds Sterling
+(put 'pounds 'texinfo-format 'texinfo-format-pounds)
+(defun-maybe texinfo-format-pounds ()
+ (texinfo-parse-arg-discard)
+ (insert "#"))
+
+;; @OE{} ==> OE French-OE-ligature
+(put 'OE 'texinfo-format 'texinfo-format-French-OE-ligature)
+(defun-maybe texinfo-format-French-OE-ligature ()
+ (insert "OE" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @oe{} ==> oe
+(put 'oe 'texinfo-format 'texinfo-format-French-oe-ligature)
+(defun-maybe texinfo-format-French-oe-ligature () ; lower case
+ (insert "oe" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @AA{} ==> AA Scandinavian-A-with-circle
+(put 'AA 'texinfo-format 'texinfo-format-Scandinavian-A-with-circle)
+(defun-maybe texinfo-format-Scandinavian-A-with-circle ()
+ (insert "AA" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @aa{} ==> aa
+(put 'aa 'texinfo-format 'texinfo-format-Scandinavian-a-with-circle)
+(defun-maybe texinfo-format-Scandinavian-a-with-circle () ; lower case
+ (insert "aa" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @AE{} ==> AE Latin-Scandinavian-AE
+(put 'AE 'texinfo-format 'texinfo-format-Latin-Scandinavian-AE)
+(defun-maybe texinfo-format-Latin-Scandinavian-AE ()
+ (insert "AE" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @ae{} ==> ae
+(put 'ae 'texinfo-format 'texinfo-format-Latin-Scandinavian-ae)
+(defun-maybe texinfo-format-Latin-Scandinavian-ae () ; lower case
+ (insert "ae" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @ss{} ==> ss German-sharp-S
+(put 'ss 'texinfo-format 'texinfo-format-German-sharp-S)
+(defun-maybe texinfo-format-German-sharp-S ()
+ (insert "ss" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @questiondown{} ==> ? upside-down-question-mark
+(put 'questiondown 'texinfo-format 'texinfo-format-upside-down-question-mark)
+(defun-maybe texinfo-format-upside-down-question-mark ()
+ (insert "?" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @exclamdown{} ==> ! upside-down-exclamation-mark
+(put 'exclamdown 'texinfo-format 'texinfo-format-upside-down-exclamation-mark)
+(defun-maybe texinfo-format-upside-down-exclamation-mark ()
+ (insert "!" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @L{} ==> L/ Polish suppressed-L (Lslash)
+(put 'L 'texinfo-format 'texinfo-format-Polish-suppressed-L)
+(defun-maybe texinfo-format-Polish-suppressed-L ()
+ (insert (texinfo-parse-arg-discard) "/L")
+ (goto-char texinfo-command-start))
+
+;; @l{} ==> l/ Polish suppressed-L (Lslash) (lower case)
+(put 'l 'texinfo-format 'texinfo-format-Polish-suppressed-l-lower-case)
+(defun-maybe texinfo-format-Polish-suppressed-l-lower-case ()
+ (insert (texinfo-parse-arg-discard) "/l")
+ (goto-char texinfo-command-start))
+
+;; @O{} ==> O/ Scandinavian O-with-slash
+(put 'O 'texinfo-format 'texinfo-format-Scandinavian-O-with-slash)
+(defun-maybe texinfo-format-Scandinavian-O-with-slash ()
+ (insert (texinfo-parse-arg-discard) "O/")
+ (goto-char texinfo-command-start))
+
+;; @o{} ==> o/ Scandinavian O-with-slash (lower case)
+(put 'o 'texinfo-format 'texinfo-format-Scandinavian-o-with-slash-lower-case)
+(defun-maybe texinfo-format-Scandinavian-o-with-slash-lower-case ()
+ (insert (texinfo-parse-arg-discard) "o/")
+ (goto-char texinfo-command-start))
+
+;; @,{c} ==> c, cedilla accent
+(put ', 'texinfo-format 'texinfo-format-cedilla-accent)
+(defun-maybe texinfo-format-cedilla-accent ()
+ (insert (texinfo-parse-arg-discard) ",")
+ (goto-char texinfo-command-start))
+
+
+;; @dotaccent{o} ==> .o overdot-accent
+(put 'dotaccent 'texinfo-format 'texinfo-format-overdot-accent)
+(defun-maybe texinfo-format-overdot-accent ()
+ (insert "." (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @ubaraccent{o} ==> _o underbar-accent
+(put 'ubaraccent 'texinfo-format 'texinfo-format-underbar-accent)
+(defun-maybe texinfo-format-underbar-accent ()
+ (insert "_" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @udotaccent{o} ==> o-. underdot-accent
+(put 'udotaccent 'texinfo-format 'texinfo-format-underdot-accent)
+(defun-maybe texinfo-format-underdot-accent ()
+ (insert (texinfo-parse-arg-discard) "-.")
+ (goto-char texinfo-command-start))
+
+;; @H{o} ==> ""o long Hungarian umlaut
+(put 'H 'texinfo-format 'texinfo-format-long-Hungarian-umlaut)
+(defun-maybe texinfo-format-long-Hungarian-umlaut ()
+ (insert "\"\"" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @ringaccent{o} ==> *o ring accent
+(put 'ringaccent 'texinfo-format 'texinfo-format-ring-accent)
+(defun-maybe texinfo-format-ring-accent ()
+ (insert "*" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @tieaccent{oo} ==> [oo tie after accent
+(put 'tieaccent 'texinfo-format 'texinfo-format-tie-after-accent)
+(defun-maybe texinfo-format-tie-after-accent ()
+ (insert "[" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @u{o} ==> (o breve accent
+(put 'u 'texinfo-format 'texinfo-format-breve-accent)
+(defun-maybe texinfo-format-breve-accent ()
+ (insert "(" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @v{o} ==> <o hacek accent
+(put 'v 'texinfo-format 'texinfo-format-hacek-accent)
+(defun-maybe texinfo-format-hacek-accent ()
+ (insert "<" (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+;; @dotless{i} ==> i dotless i and dotless j
+(put 'dotless 'texinfo-format 'texinfo-format-dotless)
+(defun-maybe texinfo-format-dotless ()
+ (insert (texinfo-parse-arg-discard))
+ (goto-char texinfo-command-start))
+
+
+\f
+;;; Cross References
+;; @ref, @xref
+(put 'ref 'texinfo-format 'texinfo-format-xref)
+
+(when-broken texinfo-format-xref
+ (fmakunbound 'texinfo-format-xref))
+(defun-maybe texinfo-format-xref ()
+ (let ((args (texinfo-format-parse-args)))
+ (texinfo-discard-command)
+ (insert "*Note ")
+ (let ((fname (or (nth 1 args) (nth 2 args))))
+ (if (null (or fname (nth 3 args)))
+ (insert (nth 0 args) "::")
+ (insert (or fname (nth 0 args)) ": ")
+ (if (nth 3 args)
+ (insert "(" (nth 3 args) ")"))
+ (unless (null (nth 0 args))
+ (insert (nth 0 args)))))))
+
+;; @uref
+(put 'uref 'texinfo-format 'texinfo-format-uref)
+(when-broken texinfo-format-uref
+ (fmakunbound 'texinfo-format-uref))
+(defun-maybe texinfo-format-uref ()
+ "Format URL and optional URL-TITLE.
+Insert ` ... ' around URL if no URL-TITLE argument;
+otherwise, insert URL-TITLE followed by URL in parentheses."
+ (let ((args (texinfo-format-parse-args)))
+ (texinfo-discard-command)
+ ;; if url-title
+ (if (nth 1 args)
+ (insert (nth 1 args) " (" (nth 0 args) ")")
+ (insert "`" (nth 0 args) "'"))))
+
+
+\f
+;;; New command definition
+;; @alias NEW=EXISTING
+(put 'alias 'texinfo-format 'texinfo-alias)
+(defun-maybe texinfo-alias ()
+ (let ((start (1- (point)))
+ args)
+ (skip-chars-forward " ")
+ (save-excursion (end-of-line) (setq texinfo-command-end (point)))
+ (if (not (looking-at "\\([^=]+\\)=\\(.*\\)"))
+ (error "Invalid alias command")
+ (setq texinfo-alias-list
+ (cons
+ (cons
+ (buffer-substring (match-beginning 1) (match-end 1))
+ (buffer-substring (match-beginning 2) (match-end 2)))
+ texinfo-alias-list))
+ (texinfo-discard-command))))
+
+;; @definfoenclose NEWCMD, BEFORE, AFTER
+
+
+\f
+;;; Special
+;; @image{FILENAME, [WIDTH], [HEIGHT]}
+(put 'image 'texinfo-format 'texinfo-format-image)
+(defun-maybe texinfo-format-image ()
+ (let ((args (texinfo-format-parse-args)) ; parse FILENAME?
+ filename)
+ (when (null (nth 0 args))
+ (error "Invalid image command"))
+ (texinfo-discard-command)
+ ;; makeinfo uses FILENAME.txt
+ (setq filename (format "%s.txt" (nth 0 args)))
+ (message "Reading included file: %s" filename)
+ ;; verbatim for Info output
+ (goto-char (+ (point) (cadr (insert-file-contents filename))))
+ (message "Reading included file: %s...done" filename)))
+
+
+;; @exampleindent
+
+
+\f
+;;; @multitable ... @end multitable
+(defvar-maybe texinfo-extra-inter-column-width 0
+ "*Number of extra spaces between entries (columns) in @multitable.")
+
+(defvar-maybe texinfo-multitable-buffer-name "*multitable-temporary-buffer*")
+(defvar-maybe texinfo-multitable-rectangle-name "texinfo-multitable-temp-")
+
+;; These commands are defined in texinfo.tex for printed output.
+(put 'multitableparskip 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'multitableparindent 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'multitablecolmargin 'texinfo-format 'texinfo-discard-line-with-args)
+(put 'multitablelinespace 'texinfo-format 'texinfo-discard-line-with-args)
+
+(put 'multitable 'texinfo-format 'texinfo-multitable)
+
+(defun-maybe texinfo-multitable ()
+ "Produce multi-column tables."
+
+;; This function pushes information onto the `texinfo-stack'.
+;; A stack element consists of:
+;; - type-of-command, i.e., multitable
+;; - the information about column widths, and
+;; - the position of texinfo-command-start.
+;; e.g., ('multitable (1 2 3 4) 123)
+;; The command line is then deleted.
+ (texinfo-push-stack
+ 'multitable
+ ;; push width information on stack
+ (texinfo-multitable-widths))
+ (texinfo-discard-line-with-args))
+
+(put 'multitable 'texinfo-end 'texinfo-end-multitable)
+(defun-maybe texinfo-end-multitable ()
+ "Discard the @end multitable line and pop the stack of multitable."
+ (texinfo-discard-command)
+ (texinfo-pop-stack 'multitable))
+
+(defun-maybe texinfo-multitable-widths ()
+ "Return list of widths of each column in a multi-column table."
+ (let (texinfo-multitable-width-list)
+ ;; Fractions format:
+ ;; @multitable @columnfractions .25 .3 .45
+ ;;
+ ;; Template format:
+ ;; @multitable {Column 1 template} {Column 2} {Column 3 example}
+ ;; Place point before first argument
+ (skip-chars-forward " \t")
+ (cond
+ ;; Check for common misspelling
+ ((looking-at "@columnfraction ")
+ (error "In @multitable, @columnfractions misspelled"))
+ ;; Case 1: @columnfractions .25 .3 .45
+ ((looking-at "@columnfractions")
+ (forward-word 1)
+ (while (not (eolp))
+ (setq texinfo-multitable-width-list
+ (cons
+ (truncate
+ (1-
+ (* fill-column (read (get-buffer (current-buffer))))))
+ texinfo-multitable-width-list))))
+ ;;
+ ;; Case 2: {Column 1 template} {Column 2} {Column 3 example}
+ ((looking-at "{")
+ (let ((start-of-templates (point)))
+ (while (not (eolp))
+ (skip-chars-forward " \t")
+ (let* ((start-of-template (1+ (point)))
+ (end-of-template
+ ;; forward-sexp works with braces in Texinfo mode
+ (progn (forward-sexp 1) (1- (point)))))
+ (setq texinfo-multitable-width-list
+ (cons (- end-of-template start-of-template)
+ texinfo-multitable-width-list))
+ ;; Remove carriage return from within a template, if any.
+ ;; This helps those those who want to use more than
+ ;; one line's worth of words in @multitable line.
+ (narrow-to-region start-of-template end-of-template)
+ (goto-char (point-min))
+ (while (search-forward "
+" nil t)
+ (delete-char -1))
+ (goto-char (point-max))
+ (widen)
+ (forward-char 1)))))
+ ;;
+ ;; Case 3: Trouble
+ (t
+ (error
+ "You probably need to specify column widths for @multitable correctly.")))
+ ;; Check whether columns fit on page.
+ (let ((desired-columns
+ (+
+ ;; between column spaces
+ (length texinfo-multitable-width-list)
+ ;; additional between column spaces, if any
+ texinfo-extra-inter-column-width
+ ;; sum of spaces for each entry
+ (apply '+ texinfo-multitable-width-list))))
+ (if (> desired-columns fill-column)
+ (error
+ (format
+ "Multi-column table width, %d chars, is greater than page width, %d chars."
+ desired-columns fill-column))))
+ texinfo-multitable-width-list))
+
+;; @item A1 @tab A2 @tab A3
+(defun-maybe texinfo-multitable-extract-row ()
+ "Return multitable row, as a string.
+End of row is beginning of next @item or beginning of @end.
+Cells within rows are separated by @tab."
+ (skip-chars-forward " \t")
+ (let* ((start (point))
+ (end (progn
+ (re-search-forward "@item\\|@end")
+ (match-beginning 0)))
+ (row (progn (goto-char end)
+ (skip-chars-backward " ")
+ ;; remove whitespace at end of argument
+ (delete-region (point) end)
+ (buffer-substring start (point)))))
+ (delete-region texinfo-command-start end)
+ row))
+
+(put 'multitable 'texinfo-item 'texinfo-multitable-item)
+(defun-maybe texinfo-multitable-item ()
+ "Format a row within a multicolumn table.
+Cells in row are separated by @tab.
+Widths of cells are specified by the arguments in the @multitable line.
+All cells are made to be the same height.
+This command is executed when texinfmt sees @item inside @multitable."
+ (let ((original-buffer (current-buffer))
+ (table-widths (reverse (car (cdr (car texinfo-stack)))))
+ (existing-fill-column fill-column)
+ start
+ end
+ (table-column 0)
+ (table-entry-height 0)
+ ;; unformatted row looks like: A1 @tab A2 @tab A3
+ ;; extract-row command deletes the source line in the table.
+ (unformated-row (texinfo-multitable-extract-row)))
+ ;; Use a temporary buffer
+ (set-buffer (get-buffer-create texinfo-multitable-buffer-name))
+ (delete-region (point-min) (point-max))
+ (insert unformated-row)
+ (goto-char (point-min))
+;; 1. Check for correct number of @tab in line.
+ (let ((tab-number 1)) ; one @tab between two columns
+ (while (search-forward "@tab" nil t)
+ (setq tab-number (1+ tab-number)))
+ (if (/= tab-number (length table-widths))
+ (error "Wrong number of @tab's in a @multitable row.")))
+ (goto-char (point-min))
+;; 2. Format each cell, and copy to a rectangle
+ ;; buffer looks like this: A1 @tab A2 @tab A3
+ ;; Cell #1: format up to @tab
+ ;; Cell #2: format up to @tab
+ ;; Cell #3: format up to eob
+ (while (not (eobp))
+ (setq start (point))
+ (setq end (save-excursion
+ (if (search-forward "@tab" nil 'move)
+ ;; Delete the @tab command, including the @-sign
+ (delete-region
+ (point)
+ (progn (forward-word -1) (1- (point)))))
+ (point)))
+ ;; Set fill-column *wider* than needed to produce inter-column space
+ (setq fill-column (+ 1
+ texinfo-extra-inter-column-width
+ (nth table-column table-widths)))
+ (narrow-to-region start end)
+ ;; Remove whitespace before and after entry.
+ (skip-chars-forward " ")
+ (delete-region (point) (save-excursion (beginning-of-line) (point)))
+ (goto-char (point-max))
+ (skip-chars-backward " ")
+ (delete-region (point) (save-excursion (end-of-line) (point)))
+ ;; Temorarily set texinfo-stack to nil so texinfo-format-scan
+ ;; does not see an unterminated @multitable.
+ (let (texinfo-stack) ; nil
+ (texinfo-format-scan))
+ (let (fill-prefix) ; no fill prefix
+ (fill-region (point-min) (point-max)))
+ (setq table-entry-height
+ (max table-entry-height (count-lines (point-min) (point-max))))
+;; 3. Move point to end of bottom line, and pad that line to fill column.
+ (goto-char (point-min))
+ (forward-line (1- table-entry-height))
+ (let* ((beg (point)) ; beginning of line
+ ;; add one more space for inter-column spacing
+ (needed-whitespace
+ (1+
+ (- fill-column
+ (-
+ (progn (end-of-line) (point)) ; end of existing line
+ beg)))))
+ (insert (make-string
+ (if (> needed-whitespace 0) needed-whitespace 1)
+ ? )))
+ ;; now, put formatted cell into a rectangle
+ (set (intern (concat texinfo-multitable-rectangle-name
+ (int-to-string table-column)))
+ (extract-rectangle (point-min) (point)))
+ (delete-region (point-min) (point))
+ (goto-char (point-max))
+ (setq table-column (1+ table-column))
+ (widen))
+;; 4. Add extra lines to rectangles so all are of same height
+ (let ((total-number-of-columns table-column)
+ (column-number 0)
+ here)
+ (while (> table-column 0)
+ (let ((this-rectangle (int-to-string table-column)))
+ (while (< (length this-rectangle) table-entry-height)
+ (setq this-rectangle (append this-rectangle '("")))))
+ (setq table-column (1- table-column)))
+;; 5. Insert formatted rectangles in original buffer
+ (switch-to-buffer original-buffer)
+ (open-line table-entry-height)
+ (while (< column-number total-number-of-columns)
+ (setq here (point))
+ (insert-rectangle
+ (eval (intern
+ (concat texinfo-multitable-rectangle-name
+ (int-to-string column-number)))))
+ (goto-char here)
+ (end-of-line)
+ (setq column-number (1+ column-number))))
+ (kill-buffer texinfo-multitable-buffer-name)
+ (setq fill-column existing-fill-column)))
+
+
+;;; ptexinfmt.el ends here
projects / elisp / gnus.git- / commitdiff