;;; 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 ;; Copyright (C) 2000, 2001, 2002 TAKAHASHI Kaoru ;; Author: TAKAHASHI Kaoru ;; Yoshiki Hayashi ;; Maintainer: TAKAHASHI Kaoru ;; 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 ;; makeinfo.el (gnujdoc project) ;; Support texinfmt.el 2.32 or later. ;;; Code: (require 'texinfmt) (require 'poe) (require 'broken) ;;; Broken (defvar ptexinfmt-disable-broken-notice-flag t "If non-nil disable notice, when call `broken-facility'. This is NO-NOTICE argument in `broken-facility'.") ;; sort -fd (broken-facility texinfo-format-printindex "Can't sort on Mule for Windows." (if (and (memq system-type '(windows-nt ms-dos)) ;;; I don't know version threshold. ;;; (string< texinfmt-version "2.37 of 24 May 1997") (boundp 'MULE) (not (featurep 'meadow))) ; Mule for Windows nil t) ptexinfmt-disable-broken-notice-flag) ;; @var (broken-facility texinfo-format-var "Don't perse @var argument." (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)) ptexinfmt-disable-broken-notice-flag) ;; @xref (broken-facility texinfo-format-xref "Can't format @xref, 1st argument is empty." (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)) ptexinfmt-disable-broken-notice-flag) ;; @uref (broken-facility texinfo-format-uref "Parse twice @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)) ptexinfmt-disable-broken-notice-flag) ;; @multitable (broken-facility texinfo-multitable-widths "`texinfo-multitable-widths' unsupport wide-char." (if (fboundp 'texinfo-multitable-widths) (with-temp-buffer (let ((str "幅広文字")) (texinfo-mode) (insert (format " {%s}\n" str)) (goto-char (point-min)) (if (= (car (texinfo-multitable-widths)) (length str)) nil t))) ;; function definition is void t) ptexinfmt-disable-broken-notice-flag) (broken-facility texinfo-multitable-item "`texinfo-multitable-item' unsupport wide-char." (if-broken texinfo-multitable-widths nil t) ptexinfmt-disable-broken-notice-flag) ;;; Hardcopy and HTML (discard) ;; html (put 'documentlanguage 'texinfo-format 'texinfo-discard-line-with-args) (put 'documentencoding 'texinfo-format 'texinfo-discard-line-with-args) (put 'documentdescription 'texinfo-format 'texinfo-discard-line-with-args) ;; size (put 'smallbook 'texinfo-format 'texinfo-discard-line) (put 'letterpaper '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 'afivepaper '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) ;;; 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")) (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 ;; @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) ;; @cartouche ... @end cartouche (put 'cartouche 'texinfo-format 'texinfo-discard-line) (put 'cartouche 'texinfo-end 'texinfo-discard-command) ;;; Conditional ;; @ifnottex ... @end ifnottex (makeinfo 3.11 or later) (put 'ifnottex 'texinfo-format 'texinfo-discard-line) (put 'ifnottex 'texinfo-end 'texinfo-discard-command) ;; @ifnothtml ... @end ifnothtml (makeinfo 3.11 or later) (put 'ifnothtml 'texinfo-format 'texinfo-discard-line) (put 'ifnothtml 'texinfo-end 'texinfo-discard-command) ;; @ifnotplaintext ... @end ifnotplaintext (makeinfo 4.2 or later) (put 'ifnotplaintext 'texinfo-format 'texinfo-discard-line) (put 'ifnotplaintext 'texinfo-end 'texinfo-discard-command) ;; @ifnotinfo ... @end ifnotinfo (makeinfo 3.11 or later) (put 'ifnotinfo 'texinfo-format 'texinfo-format-ifnotinfo) (defun-maybe texinfo-format-ifnotinfo () (delete-region texinfo-command-start (progn (re-search-forward "@end ifnotinfo[ \t]*\n") (point)))) ;; @html ... @end html (makeinfo 3.11 or later) (put 'html 'texinfo-format 'texinfo-format-html) (defun-maybe texinfo-format-html () (delete-region texinfo-command-start (progn (re-search-forward "@end html[ \t]*\n") (point)))) ;; @ifhtml ... @end ifhtml (makeinfo 3.8 or later) (put 'ifhtml 'texinfo-format 'texinfo-format-ifhtml) (defun texinfo-format-ifhtml () (delete-region texinfo-command-start (progn (re-search-forward "@end ifhtml[ \t]*\n") (point)))) ;; @ifplaintext ... @end ifplaintext (makeinfo 4.2 or later) (put 'ifplaintext 'texinfo-format 'texinfo-format-ifplaintext) (defun-maybe texinfo-format-ifplaintext () (delete-region texinfo-command-start (progn (re-search-forward "@end ifplaintext[ \t]*\n") (point)))) ;;; 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)) ;;; 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} ==> 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)) ;; @. (put '\. 'texinfo-format 'texinfo-format-\.) (defun-maybe texinfo-format-\. () (texinfo-discard-command) (insert ".")) ;; @: (put '\: 'texinfo-format 'texinfo-format-\:) (defun-maybe texinfo-format-\: () (texinfo-discard-command)) ;; @- (put '\- 'texinfo-format 'texinfo-format-soft-hyphen) (defun-maybe texinfo-format-soft-hyphen () (texinfo-discard-command)) ;;; 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) "'")))) ;; @inforef (put 'inforef 'texinfo-format 'texinfo-format-inforef) (defun-maybe texinfo-format-inforef () (let ((args (texinfo-format-parse-args))) (texinfo-discard-command) (if (nth 1 args) (insert "*Note " (nth 1 args) ": (" (nth 2 args) ")" (car args)) (insert "*Note " "(" (nth 2 args) ")" (car args) "::")))) ;; @anchor ;; don't emulation ;; If support @anchor for Mule 2.3, We must fix informat.el and info.el: ;; - Info-tagify suport @anthor-*-refill. ;; - info.el support Ref in Tag table. (unless (get 'anchor 'texinfo-format) (put 'anchor 'texinfo-format 'texinfo-discard-command-and-arg)) ;;; 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)))) ;;; Special ;; @image{FILENAME, [WIDTH], [HEIGHT]} (put 'image 'texinfo-format 'texinfo-format-image) (defun-maybe texinfo-format-image () ;; I don't know makeinfo parse FILENAME. (let ((args (texinfo-format-parse-args)) 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))) ;; @hyphenation command discards an argument within braces (put 'hyphenation 'texinfo-format 'texinfo-discard-command-and-arg) (defun-maybe texinfo-discard-command-and-arg () "Discard both @-command and its argument in braces." (goto-char texinfo-command-end) (forward-list 1) (setq texinfo-command-end (point)) (delete-region texinfo-command-start texinfo-command-end)) ;; @exampleindent ;;; @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)) (when-broken texinfo-multitable-widths (fmakunbound 'texinfo-multitable-widths)) (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 (- (progn (goto-char end-of-template) (current-column)) (progn (goto-char start-of-template) (current-column))) 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)) (when-broken texinfo-multitable-item (fmakunbound 'texinfo-multitable-item)) (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) (current-column)))))) ; end of existing line (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))) (when-broken texinfo-format-printindex (fmakunbound 'texinfo-format-printindex)) (defun-maybe texinfo-format-printindex () (let ((indexelts (symbol-value (cdr (assoc (texinfo-parse-arg-discard) texinfo-indexvar-alist)))) opoint) (insert "\n* Menu:\n\n") (setq opoint (point)) (texinfo-print-index nil indexelts) (if (memq system-type '(vax-vms windows-nt ms-dos)) (texinfo-sort-region opoint (point)) (shell-command-on-region opoint (point) "sort -fd" 1)))) (provide 'ptexinfmt) ;;; ptexinfmt.el ends here