yuuji@7: ;;; -*- Emacs-Lisp -*-
yuuji@7: ;;; YaTeX process handler.
yuuji@13: ;;; yatexprc.el
yuuji@14: ;;; (c )1993-1994 by HIROSE Yuuji.[yuuji@ae.keio.ac.jp]
yuuji@46: ;;; Last modified Fri Sep 16 01:50:36 1994 on figaro
yuuji@7: ;;; $Id$
yuuji@7: 
yuuji@7: (require 'yatex)
yuuji@7: 
yuuji@7: (defvar YaTeX-typeset-process nil
yuuji@7:   "Process identifier for jlatex"
yuuji@7: )
yuuji@7: (defvar YaTeX-typeset-buffer "*YaTeX-typesetting*"
yuuji@7:   "Process buffer for jlatex")
yuuji@7: 
yuuji@11: (defvar YaTeX-typeset-buffer-syntax nil
yuuji@11:   "*Syntax table for typesetting buffer")
yuuji@11: 
yuuji@14: (defvar YaTeX-current-TeX-buffer nil
yuuji@14:   "Keeps the buffer on which recently typeset run.")
yuuji@14: 
yuuji@11: (if YaTeX-typeset-buffer-syntax nil
yuuji@11:   (setq YaTeX-typeset-buffer-syntax
yuuji@11: 	(make-syntax-table (standard-syntax-table)))
yuuji@11:   (modify-syntax-entry ?\{ "w" YaTeX-typeset-buffer-syntax)
yuuji@11:   (modify-syntax-entry ?\} "w" YaTeX-typeset-buffer-syntax)
yuuji@11:   (modify-syntax-entry ?\[ "w" YaTeX-typeset-buffer-syntax)
yuuji@11:   (modify-syntax-entry ?\] "w" YaTeX-typeset-buffer-syntax)
yuuji@11: )
yuuji@11: 
yuuji@7: (defun YaTeX-typeset (command buffer)
yuuji@7:   "Execute jlatex (or other) to LaTeX typeset."
yuuji@7:   (interactive)
yuuji@12:   (let ((window (selected-window)))
yuuji@12:     (if (and YaTeX-typeset-process
yuuji@12: 	     (eq (process-status YaTeX-typeset-process) 'run))
yuuji@12: 	;; if tex command is halting.
yuuji@12: 	(YaTeX-kill-typeset-process YaTeX-typeset-process))
yuuji@12:     (YaTeX-visit-main t);;execution directory
yuuji@14:     ;;Select lower-most window if there are more than 2 windows and
yuuji@13:     ;;typeset buffer not seen.
yuuji@12:     (YaTeX-showup-buffer
yuuji@12:      buffer (function (lambda (x) (nth 3 (window-edges x)))))
yuuji@12:     (with-output-to-temp-buffer buffer
yuuji@13:       (if YaTeX-dos			;if MS-DOS
yuuji@12: 	  (progn
yuuji@23: 	    (message (format "Calling `%s'..." command))
yuuji@12: 	    (YaTeX-put-nonstopmode)
yuuji@12: 	    (call-process shell-file-name
yuuji@12: 			  nil buffer nil "/c" command)
yuuji@12: 	    (YaTeX-remove-nonstopmode))
yuuji@12: 	(setq YaTeX-typeset-process	;if UNIX
yuuji@7: 	      (start-process "LaTeX" buffer shell-file-name "-c"
yuuji@7: 			     command))
yuuji@12: 	(set-process-sentinel YaTeX-typeset-process 'YaTeX-typeset-sentinel)))
yuuji@14:     (setq YaTeX-current-TeX-buffer (buffer-name))
yuuji@11:     (select-window (get-buffer-window buffer))
yuuji@11:     (use-local-map YaTeX-typesetting-mode-map)
yuuji@11:     (set-syntax-table YaTeX-typeset-buffer-syntax)
yuuji@11:     (setq mode-name "typeset")
yuuji@12:     (if YaTeX-typeset-process		; if process is running (maybe on UNIX)
yuuji@11: 	(cond ((boundp 'MULE)
yuuji@11: 	       (set-current-process-coding-system
yuuji@11: 		YaTeX-latex-message-code YaTeX-coding-system))
yuuji@11: 	      ((boundp 'NEMACS)
yuuji@11: 	       (set-kanji-process-code YaTeX-latex-message-code))))
yuuji@11:     (goto-char (point-max))
yuuji@13:     (if YaTeX-dos (message "Done.")
yuuji@23:       (insert " ")
yuuji@12:       (set-marker (process-mark YaTeX-typeset-process) (1- (point))))
yuuji@11:     (if (bolp) (forward-line -1))
yuuji@11:     (recenter -1)
yuuji@12:     (select-window window))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-typeset-sentinel (proc mes)
yuuji@7:   (cond ((null (buffer-name (process-buffer proc)))
yuuji@7:          ;; buffer killed
yuuji@7:          (set-process-buffer proc nil))
yuuji@7:         ((memq (process-status proc) '(signal exit))
yuuji@11:          (let* ((obuf (current-buffer)) (pbuf (process-buffer proc))
yuuji@23: 		(pwin (get-buffer-window pbuf))
yuuji@11: 		(owin (selected-window)) win)
yuuji@7:            ;; save-excursion isn't the right thing if
yuuji@7:            ;;  process-buffer is current-buffer
yuuji@7:            (unwind-protect
yuuji@7:                (progn
yuuji@7:                  ;; Write something in *typesetting* and hack its mode line
yuuji@23: 		 (if pwin
yuuji@23: 		     (select-window pwin)
yuuji@23: 		   (set-buffer pbuf))
yuuji@23: 		 ;;(YaTeX-showup-buffer pbuf nil t)
yuuji@7:                  (goto-char (point-max))
yuuji@23: 		 (if pwin (recenter -3))
yuuji@7:                  (insert ?\n "latex typesetting " mes)
yuuji@7:                  (forward-char -1)
yuuji@7:                  (insert " at " (substring (current-time-string) 0 -5) "\n")
yuuji@7:                  (forward-char 1)
yuuji@7:                  (setq mode-line-process
yuuji@7:                        (concat ": "
yuuji@7:                                (symbol-name (process-status proc))))
yuuji@7: 		 (message "latex typesetting done.")
yuuji@13:                  ;; If buffer and mode line shows that the process
yuuji@7:                  ;; is dead, we can delete it now.  Otherwise it
yuuji@7:                  ;; will stay around until M-x list-processes.
yuuji@7:                  (delete-process proc)
yuuji@7: 		 )
yuuji@7:              (setq YaTeX-typesetting-process nil)
yuuji@7:              ;; Force mode line redisplay soon
yuuji@7:              (set-buffer-modified-p (buffer-modified-p))
yuuji@7: 	     )
yuuji@11: 	   (select-window owin)
yuuji@7: 	   (set-buffer obuf))))
yuuji@7: )
yuuji@7: 
yuuji@7: (defvar YaTeX-texput-file "texput.tex"
yuuji@7:   "*File name for temporary file of typeset-region."
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-typeset-region ()
yuuji@7:   "Paste the region to the file `texput.tex' and execute jlatex (or other)
yuuji@7: to LaTeX typeset.  The region is specified by the rule:
yuuji@7: 	(1)If keyword `%#BEGIN' is found in the upper direction from (point).
yuuji@7: 	  (1-1)if the keyword `%#END' is found after `%#BEGIN',
yuuji@7: 		->Assume the text between `%#BEGIN' and `%#END' as region.
yuuji@7: 	  (1-2)if the keyword `%#END' is not found anywhere after `%#BEGIN',
yuuji@7: 		->Assume the text after `%#BEGIN' as region.
yuuji@7: 	(2)If no `%#BEGIN' usage is found before the (point),
yuuji@7: 		->Assume the text between current (point) and (mark) as region.
yuuji@7: DON'T forget to eliminate the `%#BEGIN/%#END' notation after editing
yuuji@7: operation to the region."
yuuji@7:   (interactive)
yuuji@7:   (save-excursion
yuuji@7:     (let*
yuuji@7: 	((end "") typeout ;Type out message that tells the method of cutting.
yuuji@7: 	 (cmd (concat (YaTeX-get-latex-command nil) " " YaTeX-texput-file))
yuuji@23: 	 (buffer (current-buffer)) opoint preamble (subpreamble "") main
yuuji@16: 	 reg-begin reg-end)
yuuji@23: 
yuuji@38:       (save-excursion
yuuji@38: 	(if (search-backward "%#BEGIN" nil t)
yuuji@38: 	    (progn
yuuji@38: 	      (setq typeout "--- Region from BEGIN to "
yuuji@38: 		    end "the end of the buffer ---"
yuuji@38: 		    reg-begin (match-end 0))
yuuji@38: 	      (if (search-forward "%#END" nil t)
yuuji@38: 		  (setq reg-end (match-beginning 0)
yuuji@38: 			end "END ---")
yuuji@38: 		(setq reg-end (point-max))))
yuuji@38: 	  (setq typeout "=== Region from (point) to (mark) ===")
yuuji@38: 	  (setq reg-begin (point) reg-end (mark)))
yuuji@38: 	(goto-char (point-min))
yuuji@38: 	(while (search-forward "%#REQUIRE" nil t)
yuuji@38: 	  (setq subpreamble
yuuji@38: 		(concat subpreamble
yuuji@38: 			(cond
yuuji@38: 			 ((eolp)
yuuji@38: 			  (buffer-substring
yuuji@38: 			   (match-beginning 0)
yuuji@38: 			   (point-beginning-of-line)))
yuuji@38: 			 (t (buffer-substring
yuuji@38: 			     (match-end 0)
yuuji@38: 			     (point-end-of-line))))
yuuji@38: 			"\n"))
yuuji@38: 	  (goto-char (match-end 0))))
yuuji@7:       (YaTeX-visit-main t)
yuuji@16:       (setq main (current-buffer))
yuuji@7:       (setq opoint (point))
yuuji@7:       (goto-char (point-min))
yuuji@7:       (setq
yuuji@7:        preamble
yuuji@7:        (if (re-search-forward "^[ 	]*\\\\begin.*{document}" nil t)
yuuji@7: 	   (buffer-substring (point-min) (match-end 0))
yuuji@7: 	 (concat "\\documentstyle{" YaTeX-default-document-style "}\n"
yuuji@7: 		 "\\begin{document}")))
yuuji@7:       (goto-char opoint)
yuuji@7:       ;;(set-buffer buffer)		;for clarity
yuuji@16:       (set-buffer (find-file-noselect YaTeX-texput-file))
yuuji@16:       ;;(find-file YaTeX-texput-file)
yuuji@7:       (erase-buffer)
yuuji@7:       (if YaTeX-need-nonstop
yuuji@7: 	  (insert "\\nonstopmode{}\n"))
yuuji@23:       (insert preamble "\n" subpreamble "\n")
yuuji@16:       (insert-buffer-substring buffer reg-begin reg-end)
yuuji@7:       (insert "\\typeout{" typeout end "}\n") ;Notice the selected method.
yuuji@7:       (insert "\n\\end{document}\n")
yuuji@7:       (basic-save-buffer)
yuuji@7:       (kill-buffer (current-buffer))
yuuji@16:       (set-buffer main)		;return to parent file or itself.
yuuji@7:       (YaTeX-typeset cmd YaTeX-typeset-buffer)
yuuji@44:       (switch-to-buffer buffer)		;for Emacs-19
yuuji@7:       (put 'dvi2-command 'region t)))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-typeset-buffer ()
yuuji@7:   "Typeset whole buffer.  If %#! usage says other buffer is main text,
yuuji@7: visit main buffer to confirm if its includeonly list contains current
yuuji@7: buffer's file.  And if it doesn't contain editing text, ask user which
yuuji@13: action wants to be done, A:Add list, R:Replace list, %:comment-out list."
yuuji@7:   (interactive)
yuuji@7:   (YaTeX-save-buffers)
yuuji@7:   (let*((me (substring (buffer-name) 0 (rindex (buffer-name) ?.)))
yuuji@7: 	(mydir (file-name-directory (buffer-file-name)))
yuuji@7: 	(cmd (YaTeX-get-latex-command t)))
yuuji@7:     (if (YaTeX-main-file-p) nil
yuuji@7:       (save-excursion
yuuji@7: 	(YaTeX-visit-main t)	;search into main buffer
yuuji@7: 	(save-excursion
yuuji@7: 	  (push-mark (point) t)
yuuji@7: 	  (goto-char (point-min))
yuuji@7: 	  (if (and (re-search-forward "^[ 	]*\\\\begin{document}" nil t)
yuuji@7: 		   (re-search-backward "^[ 	]*\\\\includeonly{" nil t))
yuuji@7: 	      (let*
yuuji@7: 		  ((b (progn (skip-chars-forward "^{") (point)))
yuuji@7: 		   (e (progn (skip-chars-forward "^}") (1+ (point))))
yuuji@7: 		   (s (buffer-substring b e)) c
yuuji@7: 		   (pardir (file-name-directory (buffer-file-name))))
yuuji@7: 		(if (string-match (concat "[{,/]" me "[,}]") s)
yuuji@7: 		    nil ; Nothing to do when it's already in includeonly.
yuuji@7: 		  (ding)
yuuji@7: 		  (switch-to-buffer (current-buffer));Display this buffer.
yuuji@7: 		  (setq
yuuji@7: 		   me	  ;;Rewrite my name(me) to contain sub directory name.
yuuji@7: 		   (concat
yuuji@7: 		    (if (string-match pardir mydir) ;if mydir is child of main
yuuji@7: 			(substring mydir (length pardir)) ;cut absolute path
yuuji@7: 		      mydir) ;else concat absolute path name.
yuuji@7: 		    me))
yuuji@7: 		  (message
yuuji@7: 		   "`%s' is not in \\includeonly. A)dd R)eplace %%)comment? "
yuuji@7: 		   me)
yuuji@7: 		  (setq c (read-char))
yuuji@7: 		  (cond
yuuji@7: 		   ((= c ?a)
yuuji@7: 		    (goto-char (1+ b))
yuuji@7: 		    (insert me (if (string= s "{}") "" ",")))
yuuji@7: 		   ((= c ?r)
yuuji@7: 		    (delete-region (1+ b) (1- e)) (insert me))
yuuji@7: 		   ((= c ?%)
yuuji@7: 		    (beginning-of-line) (insert "%"))
yuuji@7: 		   (t nil))
yuuji@7: 		  (basic-save-buffer))))
yuuji@7: 	  (exchange-point-and-mark))
yuuji@7: 	))
yuuji@7:     (YaTeX-typeset cmd YaTeX-typeset-buffer)
yuuji@7:     (put 'dvi2-command 'region nil))
yuuji@7: )
yuuji@7: 
yuuji@16: (defvar YaTeX-call-command-history nil
yuuji@16:   "Holds history list of YaTeX-call-command-on-file.")
yuuji@16: (put 'YaTeX-call-command-history 'no-default t)
yuuji@11: (defun YaTeX-call-command-on-file (base-cmd buffer)
yuuji@11:   (YaTeX-save-buffers)
yuuji@11:   (YaTeX-typeset
yuuji@16:    (let ((minibufer-history-symbol 'YaTeX-call-command-history))
yuuji@16:      (read-string "Call command: "
yuuji@16: 		  (concat base-cmd " " (YaTeX-get-preview-file-name))))
yuuji@11:    buffer)
yuuji@11: )
yuuji@11: 
yuuji@11: (defun YaTeX-bibtex-buffer (cmd)
yuuji@7:   "Pass the bibliography data of editing file to bibtex."
yuuji@7:   (interactive)
yuuji@7:   (YaTeX-save-buffers)
yuuji@11:   (YaTeX-call-command-on-file cmd "*YaTeX-bibtex*" )
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-kill-typeset-process (proc)
yuuji@7:   "Kill process PROC after sending signal to PROC.
yuuji@7: PROC should be process identifier."
yuuji@7:   (cond
yuuji@13:    (YaTeX-dos
yuuji@7:     (error "MS-DOS can't have concurrent process."))
yuuji@7:    ((or (null proc) (not (eq (process-status proc) 'run)))
yuuji@7:     (error "No typesetting process."))
yuuji@7:    (t (interrupt-process proc)
yuuji@7:       (delete-process proc)))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-system (command buffer)
yuuji@7:   "Execute some command on buffer.  Not a official function."
yuuji@7:   (save-excursion
yuuji@23:     (YaTeX-showup-buffer
yuuji@23:      buffer (function (lambda (x) (nth 3 (window-edges x)))))
yuuji@7:     (with-output-to-temp-buffer buffer
yuuji@13:       (if YaTeX-dos
yuuji@7: 	  (call-process shell-file-name nil buffer nil "/c " command)
yuuji@13: 	(start-process "system" buffer shell-file-name "-c" command))))
yuuji@7: )
yuuji@7: 
yuuji@16: (defvar YaTeX-preview-command-history nil
yuuji@16:   "Holds minibuffer history of preview command.")
yuuji@16: (put 'YaTeX-preview-command-history 'no-default t)
yuuji@16: (defvar YaTeX-preview-file-history nil
yuuji@16:   "Holds minibuffer history of file to preview.")
yuuji@16: (put 'YaTeX-preview-file-history 'no-default t)
yuuji@7: (defun YaTeX-preview (preview-command preview-file)
yuuji@7:   "Execute xdvi (or other) to tex-preview."
yuuji@7:   (interactive
yuuji@16:    (list
yuuji@16:     (let ((minibuffer-history-symbol 'YaTeX-preview-command-history))
yuuji@16:       (read-string "Preview command: " dvi2-command))
yuuji@16:     (let ((minibuffer-history-symbol 'YaTeX-preview-file-history))
yuuji@16:       (read-string "Preview file[.dvi]: "
yuuji@16: 		   (if (get 'dvi2-command 'region)
yuuji@16: 		       (substring YaTeX-texput-file
yuuji@16: 				  0 (rindex YaTeX-texput-file ?.))
yuuji@16: 		     (YaTeX-get-preview-file-name))
yuuji@16: 		   ))))
yuuji@23:   (setq dvi2-command preview-command)	;`dvi2command' is buffer local
yuuji@7:   (save-excursion
yuuji@7:     (YaTeX-visit-main t)
yuuji@23:     (let ((pbuffer "*dvi-preview*"))
yuuji@23:       (YaTeX-showup-buffer
yuuji@29:        pbuffer (function (lambda (x) (nth 3 (window-edges x)))))
yuuji@23:       (with-output-to-temp-buffer pbuffer
yuuji@23: 	(if YaTeX-dos			;if MS-DOS
yuuji@23: 	    (progn (send-string-to-terminal "\e[2J\e[>5h") ;CLS & hide cursor
yuuji@23: 		   (call-process shell-file-name "con" "*dvi-preview*" nil
yuuji@23: 				 "/c " preview-command preview-file)
yuuji@23: 		   (send-string-to-terminal "\e[>5l") ;show cursor
yuuji@23: 		   (redraw-display))
yuuji@23: 	  (start-process "preview" "*dvi-preview*" shell-file-name "-c"
yuuji@23: 			 (concat preview-command " " preview-file)) ;if UNIX
yuuji@23: 	  (message
yuuji@23: 	   (concat "Starting " preview-command
yuuji@23: 		   " to preview " preview-file))))))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-prev-error ()
yuuji@14:   "Visit previous typeset error.
yuuji@14:   To avoid making confliction of line numbers by editing, jump to
yuuji@14: error or warning lines in reverse order."
yuuji@7:   (interactive)
yuuji@11:   (let ((cur-buf (buffer-name)) (cur-win (selected-window))
yuuji@14: 	error-line typeset-win error-buffer error-win)
yuuji@7:     (if (null (get-buffer YaTeX-typeset-buffer))
yuuji@14: 	(error "There is no typesetting buffer."))
yuuji@23:     (YaTeX-showup-buffer YaTeX-typeset-buffer nil t)
yuuji@14:     (setq typeset-win (selected-window))
yuuji@14:     (if (re-search-backward
yuuji@14: 	 (concat "\\(" latex-error-regexp "\\)\\|\\("
yuuji@14: 		 latex-warning-regexp "\\)")
yuuji@14: 	 nil t)
yuuji@14: 	nil
yuuji@11:       (select-window cur-win)
yuuji@14:       (error "No more erros on %s" cur-buf))
yuuji@14:     (goto-char (match-beginning 0))
yuuji@14:     (skip-chars-forward "^0-9" (match-end 0))
yuuji@14:     (setq error-line
yuuji@14: 	  (string-to-int
yuuji@14: 	   (buffer-substring
yuuji@14: 	    (point)
yuuji@14: 	    (progn (skip-chars-forward "0-9" (match-end 0)) (point))))
yuuji@14: 	  error-buffer (YaTeX-get-error-file cur-buf)
yuuji@14: 	  error-win (get-buffer-window error-buffer))
yuuji@14:     (if (or (null error-line) (equal 0 error-line))
yuuji@14: 	(error "Can't detect error position."))
yuuji@14:     (select-window cur-win)
yuuji@14:     (cond
yuuji@14:      (error-win (select-window error-win))
yuuji@14:      ((eq (get-lru-window) typeset-win)
yuuji@14:       (YaTeX-switch-to-buffer error-buffer))
yuuji@14:      (t (select-window (get-lru-window))
yuuji@14: 	(YaTeX-switch-to-buffer error-buffer)))
yuuji@14:     (setq error-win (selected-window))
yuuji@14:     (goto-line error-line)
yuuji@14:     (message "LaTeX %s in `%s' on line: %d."
yuuji@14: 	     (if (match-beginning 1) "error" "warning")
yuuji@14: 	     error-buffer error-line)
yuuji@14:     (select-window typeset-win)
yuuji@14:     (skip-chars-backward "0-9")
yuuji@14:     (recenter (/ (window-height) 2))
yuuji@14:     (sit-for 3)
yuuji@14:     (goto-char (match-beginning 0))
yuuji@14:     (select-window error-win))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-jump-error-line ()
yuuji@13:   "Jump to corresponding line on latex command's error message."
yuuji@7:   (interactive)
yuuji@14:   (let (error-line error-file error-buf)
yuuji@14:     (save-excursion
yuuji@14:       (beginning-of-line)
yuuji@14:       (setq error-line (re-search-forward "l[ ines]*\\.\\([1-9][0-9]*\\)"
yuuji@14: 					  (point-end-of-line) t)))
yuuji@14:     (if (null error-line)
yuuji@14: 	(if (eobp) (insert (this-command-keys))
yuuji@14: 	  (error "No line number expression."))
yuuji@7:       (goto-char (match-beginning 0))
yuuji@14:       (setq error-line (string-to-int
yuuji@14: 			(buffer-substring (match-beginning 1) (match-end 1)))
yuuji@14: 	    error-file (YaTeX-get-error-file YaTeX-current-TeX-buffer)
yuuji@14: 	    error-buf (YaTeX-switch-to-buffer error-file t))
yuuji@14:       (if (null error-buf)
yuuji@14: 	  (error "`%s' is not found in this directory." error-file))
yuuji@14:       (YaTeX-showup-buffer error-buf nil t)
yuuji@14:       (goto-line error-line)))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-send-string ()
yuuji@7:   "Send string to current typeset process."
yuuji@7:   (interactive)
yuuji@7:   (if (and (eq (process-status YaTeX-typeset-process) 'run)
yuuji@7: 	   (>= (point) (process-mark YaTeX-typeset-process)))
yuuji@7:       (let ((b (process-mark YaTeX-typeset-process))
yuuji@7: 	    (e (point-end-of-line)))
yuuji@7: 	(goto-char b)
yuuji@7: 	(skip-chars-forward " \t" e)
yuuji@7: 	(setq b (point))
yuuji@7: 	(process-send-string
yuuji@7: 	 YaTeX-typeset-process (concat (buffer-substring b e) "\n"))
yuuji@7: 	(goto-char e)
yuuji@7: 	(insert "\n")
yuuji@7: 	(set-marker (process-mark YaTeX-typeset-process) (point))
yuuji@7: 	(insert " "))
yuuji@7:     (ding))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-view-error ()
yuuji@7:   (interactive)
yuuji@7:   (if (null (get-buffer YaTeX-typeset-buffer))
yuuji@7:       (message "No typeset buffer found.")
yuuji@11:     (let ((win (selected-window)))
yuuji@23:       (YaTeX-showup-buffer YaTeX-typeset-buffer nil t)
yuuji@11:       (goto-char (point-max))
yuuji@23:       (forward-line -1)
yuuji@11:       (recenter -1)
yuuji@11:       (select-window win)))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-get-error-file (default)
yuuji@7:   "Get current processing file from typesetting log."
yuuji@7:   (save-excursion
yuuji@7:     (let(s)
yuuji@7:       (condition-case () (up-list -1)
yuuji@7: 	(error
yuuji@7: 	 (let ((list 0) found)
yuuji@7: 	   (while
yuuji@7: 	       (and (<= list 0) (not found)
yuuji@7: 		    (re-search-backward "\\((\\)\\|\\()\\)" nil t))
yuuji@7: 	     (if (equal (match-beginning 0) (match-beginning 2)) ;close paren.
yuuji@7: 		 (setq list (1- list)) ;open paren
yuuji@7: 	       (setq list (1+ list))
yuuji@7: 	       (if (= list 1)
yuuji@7: 		   (if (looking-at "\\([^,{}%]+\.\\)tex\\|sty")
yuuji@7: 		       (setq found t)
yuuji@7: 		     (setq list (1- list)))))))))
yuuji@7:       (setq s
yuuji@7: 	    (buffer-substring
yuuji@7: 	     (progn (forward-char 1) (point))
yuuji@7: 	     (progn (skip-chars-forward "-A-Za-z0-9_/\.\\" (point-end-of-line))
yuuji@7: 		    (point))))
yuuji@7:       (if (string= "" s) default s)))
yuuji@7: )
yuuji@7:       
yuuji@7: (defun YaTeX-put-nonstopmode ()
yuuji@7:   (if YaTeX-need-nonstop
yuuji@14:       (if (re-search-backward "\\\\nonstopmode{}" (point-min) t)
yuuji@7: 	  nil                    ;if already written in text then do nothing
yuuji@7: 	(save-excursion
yuuji@7: 	  (YaTeX-visit-main t)
yuuji@7: 	  (goto-char (point-min))
yuuji@7: 	  (insert "\\nonstopmode{}%_YaTeX_%\n")))
yuuji@7:     )
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-remove-nonstopmode ()
yuuji@7:   (if YaTeX-need-nonstop ;for speed
yuuji@7:       (save-excursion
yuuji@7: 	(YaTeX-visit-main t)
yuuji@7: 	(goto-char (point-min))
yuuji@7: 	(forward-line 1)
yuuji@7: 	(narrow-to-region (point-min) (point))
yuuji@7: 	(goto-char (point-min))
yuuji@7: 	(delete-matching-lines "^\\\\nonstopmode\\{\\}%_YaTeX_%$")
yuuji@7: 	(widen)))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-get-preview-file-name ()
yuuji@7:   "Get file name to preview by inquiring YaTeX-get-latex-command"
yuuji@7:   (let* ((latex-cmd (YaTeX-get-latex-command t))
yuuji@7: 	 (rin (rindex latex-cmd ? ))
yuuji@7: 	 (fname (if (> rin -1) (substring latex-cmd (1+ rin)) ""))
yuuji@7: 	 (period))
yuuji@7:     (if (string= fname "")
yuuji@14: 	(setq fname (substring (file-name-nondirectory
yuuji@14: 				(buffer-file-name))
yuuji@14: 			       0 -4))
yuuji@7:       (setq period (rindex fname ?.))
yuuji@7:       (setq fname (substring fname 0 (if (eq -1 period) nil period)))
yuuji@7:       ))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-get-latex-command (&optional switch)
yuuji@7:   "Specify the latex-command name and its argument.
yuuji@14: If there is a line which begins with string: \"%#!\", the following
yuuji@7: strings are assumed to be the latex-command and arguments.  The
yuuji@7: default value of latex-command is:
yuuji@14: 	tex-command FileName
yuuji@7: and if you write \"%#!jlatex\" in the beginning of certain line.
yuuji@14: 	\"jlatex \" FileName
yuuji@7: will be the latex-command,
yuuji@7: and you write \"%#!jlatex main.tex\" on some line and argument SWITCH
yuuji@14: is non-nil, then
yuuji@7: 	\"jlatex main.tex\"
yuuji@15: 
yuuji@7: will be given to the shell."
yuuji@15:   (let (magic command target)
yuuji@15:     (setq parent
yuuji@15: 	  (cond
yuuji@15: 	   (YaTeX-parent-file YaTeX-parent-file)
yuuji@15: 	   (t (save-excursion
yuuji@15: 		(YaTeX-visit-main t)
yuuji@15: 		(file-name-nondirectory (buffer-file-name)))))
yuuji@15: 	  magic (YaTeX-get-builtin "!"))
yuuji@15:     (cond
yuuji@15:      (magic
yuuji@15:       (cond
yuuji@15:        (switch (if (string-match "\\s " magic) magic
yuuji@15: 		 (concat magic " " parent)))
yuuji@15:        (t (concat (substring magic 0 (string-match "\\s " magic)) " "))))
yuuji@16:      (t (concat tex-command " " (if switch parent)))))
yuuji@7: )
yuuji@7: 
yuuji@16: (defvar YaTeX-lpr-command-history nil
yuuji@16:   "Holds command line history of YaTeX-lpr.")
yuuji@16: (put 'YaTeX-lpr-command-history 'no-default t)
yuuji@7: (defun YaTeX-lpr (arg)
yuuji@7:   "Print out.  If prefix arg ARG is non nil, call print driver without
yuuji@7: page range description."
yuuji@7:   (interactive "P")
yuuji@23:   (let*((cmd (or (YaTeX-get-builtin "LPR") dviprint-command-format))
yuuji@23: 	from to (lbuffer "*dvi-printing*"))
yuuji@7:     (setq
yuuji@7:      cmd 
yuuji@7:      (YaTeX-replace-format
yuuji@7:       cmd "f"
yuuji@7:       (if (or arg (not (string-match "%f" cmd)))
yuuji@7: 	      ""
yuuji@7: 	    (YaTeX-replace-format
yuuji@7: 	     dviprint-from-format
yuuji@7: 	     "b"
yuuji@7: 	     (if (string=
yuuji@7: 		  (setq from (read-string "From page(default 1): ")) "")
yuuji@7: 		 "1" from))))
yuuji@7:        )
yuuji@7:     (setq
yuuji@7:      cmd
yuuji@7:      (YaTeX-replace-format
yuuji@7:       cmd "t"
yuuji@7:       (if (or arg (not (string-match "%t" cmd))
yuuji@7: 	      (string= 
yuuji@7: 	       (setq to (read-string "To page(default none): ")) ""))
yuuji@7: 	  ""
yuuji@7: 	(YaTeX-replace-format dviprint-to-format "e" to)))
yuuji@7:      )
yuuji@16:     (setq cmd
yuuji@16: 	  (let ((minibuffer-history-symbol 'YaTeX-lpr-command-history))
yuuji@16: 	    (read-string "Edit command line: "
yuuji@16: 			 (format cmd (YaTeX-get-preview-file-name)))))
yuuji@7:     (save-excursion
yuuji@7:       (YaTeX-visit-main t) ;;change execution directory
yuuji@23:       (YaTeX-showup-buffer
yuuji@23:        lbuffer (function (lambda (x) (nth 3 (window-edges x)))))
yuuji@23:       (with-output-to-temp-buffer lbuffer
yuuji@13: 	(if YaTeX-dos
yuuji@7: 	    (call-process shell-file-name "con" "*dvi-printing*" nil
yuuji@7: 			  "/c " cmd)
yuuji@7: 	  (start-process "print" "*dvi-printing*" shell-file-name "-c" cmd)
yuuji@7: 	  (message (concat "Starting " cmd " to printing "
yuuji@7: 			   (YaTeX-get-preview-file-name))))
yuuji@7:     )))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-main-file-p ()
yuuji@7:   "Return if current buffer is main LaTeX source."
yuuji@14:   (cond
yuuji@14:    ((YaTeX-get-builtin "!")
yuuji@15:     (string-match (YaTeX-guess-parent (YaTeX-get-builtin "!")) (buffer-name)))
yuuji@14:    (t
yuuji@14:     (save-excursion
yuuji@14:       (let ((latex-main-id (concat "^\\s *" YaTeX-ec-regexp "documentstyle")))
yuuji@14: 	(or (re-search-backward latex-main-id nil t)
yuuji@14: 	    (re-search-forward latex-main-id nil t))))))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-visit-main (&optional setbuf)
yuuji@15:   "Switch buffer to main LaTeX source.
yuuji@15: Use set-buffer instead of switch-to-buffer if the optional second argument
yuuji@15: SETBUF is t(Use it only from Emacs-Lisp program)."
yuuji@7:   (interactive)
yuuji@15:   (let (b-in main-file)
yuuji@15:     (if (setq b-in (YaTeX-get-builtin "!"))
yuuji@15: 	(setq main-file (YaTeX-guess-parent b-in)))
yuuji@14:     (if YaTeX-parent-file
yuuji@23: 	(setq main-file ;;(get-file-buffer YaTeX-parent-file)
yuuji@23: 	      YaTeX-parent-file))
yuuji@14:     (if (YaTeX-main-file-p)
yuuji@7: 	(if (interactive-p) (message "I think this is main LaTeX source.") nil)
yuuji@7:       (cond
yuuji@14:        ((and (interactive-p) main-file (get-buffer-window main-file))
yuuji@14: 	(select-window (get-buffer-window main-file)))
yuuji@14:        ((and main-file (YaTeX-switch-to-buffer main-file setbuf)))
yuuji@14:        ((and main-file
yuuji@14: 	     (file-exists-p (setq main-file (concat "../" main-file)))
yuuji@7: 	     (y-or-n-p (concat (expand-file-name main-file)
yuuji@7: 			       " is main file?:")))
yuuji@7: 	(YaTeX-switch-to-buffer main-file setbuf))
yuuji@14:        (t (setq main-file (read-file-name "Enter your main text: " nil nil 1))
yuuji@14: 	  (setq YaTeX-parent-file main-file)
yuuji@14: 	  (find-file main-file))
yuuji@14:        )))
yuuji@7:   nil
yuuji@7: )
yuuji@7: 
yuuji@15: 
yuuji@15: (defun YaTeX-guess-parent (command-line)
yuuji@15:   (setq command-line
yuuji@15: 	(if (string-match ".*\\s " command-line)
yuuji@15: 	    (substring command-line (match-end 0))
yuuji@15: 	  (file-name-nondirectory (buffer-file-name)))
yuuji@15: 	command-line
yuuji@15: 	(concat (if (string-match "\\(.*\\)\\." command-line)
yuuji@15: 		    (substring command-line (match-beginning 1) (match-end 1))
yuuji@15: 		  command-line)
yuuji@15: 		".tex"))
yuuji@15: )
yuuji@15: 
yuuji@7: (defun YaTeX-visit-main-other-window ()
yuuji@7:   "Switch to buffer main LaTeX source in other window."
yuuji@7:   (interactive)
yuuji@7:   (if (YaTeX-main-file-p) (message "I think this is main LaTeX source.")
yuuji@7:       (YaTeX-switch-to-buffer-other-window
yuuji@7:        (concat (YaTeX-get-preview-file-name) ".tex")))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-get-builtin (key)
yuuji@7:   "Read source built-in command of %# usage."
yuuji@7:   (save-excursion
yuuji@7:     (goto-char (point-min))
yuuji@15:     (if (and (re-search-forward
yuuji@15: 	      (concat "^" (regexp-quote (concat "%#" key))) nil t)
yuuji@7: 	     (not (eolp)))
yuuji@7: 	(buffer-substring
yuuji@7: 	 (progn (skip-chars-forward " 	" (point-end-of-line))(point))
yuuji@7: 	 (point-end-of-line))
yuuji@7:       nil))
yuuji@7: )
yuuji@7: 
yuuji@7: (defun YaTeX-save-buffers ()
yuuji@7:   "Save buffers which is in yatex-mode."
yuuji@7:   (basic-save-buffer)
yuuji@7:   (save-excursion
yuuji@7:     (mapcar '(lambda (buf)
yuuji@7: 	       (set-buffer buf)
yuuji@7: 	       (if (and (buffer-file-name buf)
yuuji@7: 			(eq major-mode 'yatex-mode)
yuuji@7: 			(buffer-modified-p buf)
yuuji@7: 			(y-or-n-p (format "Save %s" (buffer-name buf))))
yuuji@7: 		   (save-buffer buf)))
yuuji@7: 	    (buffer-list)))
yuuji@7: )
yuuji@7: 
yuuji@7: (provide 'yatexprc)