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;; Authors: David Goodger <goodger@python.org>;
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;; Date: $Date: 2003/05/23 13:48:22 $
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;; Copyright: This module has been placed in the public domain.
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;; Support code for editing reStructuredText with Emacs indented-text mode.
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;; The goal is to create an integrated reStructuredText editing mode.
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;; 2003-02-25 (blais): updated repeat-last-character function and added
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;; a few routines for navigating between titles.
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(defun replace-lines (fromchar tochar)
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"Replace flush-left lines, consisting of multiple FROMCHAR characters,
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with equal-length lines of TOCHAR."
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cSearch for flush-left lines of char:
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cand replace with char: ")
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(let* ((fromstr (string fromchar))
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(searchre (concat "^" (regexp-quote fromstr) "+ *$"))
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(search-forward-regexp searchre)
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(setq found (1+ found))
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(search-backward fromstr) ;; point will be *before* last char
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(setq l (- p (point)))
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(insert-char tochar l))
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(message (format "%d lines replaced." found)))))))
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(defun repeat-last-character ()
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"Fills the current line up to the length of the preceding line (if not empty),
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using the last character on the current line. If the preceding line is empty,
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or if a prefix argument is provided, fill up to the fill-column.
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If the current line is longer than the desired length, shave the characters off
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the current line to fit the desired length.
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As an added convenience, if the command is repeated immediately, the alternative
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behaviour is performed."
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;; It would be useful if only these characters were repeated:
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;; =-`:.'"~^_*+#<>!$%&(),/;?@[\]{|}
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;; Especially, empty lines shouldn't be repeated.
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(let* ((curcol (current-column))
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(curline (+ (count-lines (point-min) (point)) (if (eq curcol 0) 1 0)))
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(lbp (line-beginning-position 0))
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(prevcol (if (= curline 1)
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(skip-chars-backward " \t" lbp)
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(let ((cc (current-column)))
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(if (= cc 0) fill-column cc)))))
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(cond (current-prefix-arg fill-column)
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((equal last-command 'repeat-last-character)
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(if (= curcol fill-column) prevcol fill-column))
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(if (= prevcol 0) fill-column prevcol))) )) )
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(if (> (current-column) rightmost-column)
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;; shave characters off the end
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(delete-region (- (point)
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(- (current-column) rightmost-column))
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;; fill with last characters
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(insert-char (preceding-char)
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(- rightmost-column (current-column)))) ))
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(defun reST-title-char-p (c)
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"Returns true if the given character is a valid title char."
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(and (string-match "[-=`:\\.'\"~^_*+#<>!$%&(),/;?@\\\|]"
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(char-to-string c)) t))
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(defun reST-forward-title ()
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"Skip to the next restructured text section title."
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(forward-char) ;; in case we're right on a title
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(and (re-search-forward "^[A-Za-z0-9].*[ \t]*$" nil t)
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(reST-title-char-p (char-after (+ (point) 1)))
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(looking-at (format "\n%c\\{%d,\\}[ \t]*$"
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(char-after (+ (point) 1))
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(current-column))))))
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(if newpoint (goto-char newpoint)) ))
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(defun reST-backward-title ()
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"Skip to the previous restructured text section title."
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;;(forward-char) ;; in case we're right on a title
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(and (or (backward-char) t)
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(re-search-backward "^[A-Za-z0-9].*[ \t]*$" nil t)
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(reST-title-char-p (char-after (+ (point) 1)))
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(looking-at (format "\n%c\\{%d,\\}[ \t]*$"
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(char-after (+ (point) 1))
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(current-column))))))
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(if newpoint (goto-char newpoint)) ))
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(defun join-paragraph ()
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"Join lines in current paragraph into one line, removing end-of-lines."
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(backward-paragraph 1)
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(let ((start (point))) ; remember where we are
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(forward-paragraph 1) ; go to the end of the paragraph
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(beginning-of-line 0) ; go to the beginning of the previous line
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(while (< start (point)) ; as long as we haven't passed where we started
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(delete-indentation) ; join this line to the line before
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(beginning-of-line))))) ; and go back to the beginning of the line
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(defun force-fill-paragraph ()
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"Fill paragraph at point, first joining the paragraph's lines into one.
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This is useful for filling list item paragraphs."
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(fill-paragraph nil))
added
removed
tools/editors/emacs/restructuredtext.el
