diff options
Diffstat (limited to 'lib/doc/jao-doc-view.el')
| -rw-r--r-- | lib/doc/jao-doc-view.el | 58 |
1 files changed, 6 insertions, 52 deletions
diff --git a/lib/doc/jao-doc-view.el b/lib/doc/jao-doc-view.el index d68cae9..a55d477 100644 --- a/lib/doc/jao-doc-view.el +++ b/lib/doc/jao-doc-view.el @@ -19,70 +19,24 @@ ;; Start date: Fri Feb 15, 2013 01:21 (require 'doc-view) +(require 'jao-pdf) -;;; PDF info +;;; Utilities -(defvar-local jao--pdf-outline nil) - -(defmacro jao-doc-view--pdf-call (a b &rest args) +(defmacro jao-doc-view--funcall (a b &rest args) `(cond ((derived-mode-p 'pdf-view-mode) (,a ,@args)) ((derived-mode-p 'doc-view-mode) (,b ,@args)))) -(defun jao-doc-view-is-pdf (file) (string-match-p ".*\\.pdf$" file)) - -(defun jao-doc-view-title->file (title) - (concat (mapconcat 'downcase (split-string title nil t) "-") ".pdf")) - (defun jao-doc-view-current-page () - (jao-doc-view--pdf-call pdf-view-current-page doc-view-current-page)) + (jao-doc-view--funcall pdf-view-current-page doc-view-current-page)) (defun jao-doc-view-goto-page (page &optional height) (when page - (jao-doc-view--pdf-call pdf-view-goto-page doc-view-goto-page page)) + (jao-doc-view--funcall pdf-view-goto-page doc-view-goto-page page)) (when (and height (derived-mode-p 'pdf-view-mode)) (image-set-window-vscroll (round (/ (* height (cdr (pdf-view-image-size))) (frame-char-height)))))) -(defvar jao-doc-view--outline-rx - ".+\\(\t+\\)\"\\(.+\\)\"\t#\\(?:page=\\)?\\([0-9]+\\)") - -(defun jao-doc-view-pdf-outline (&optional file-name) - (if (derived-mode-p 'pdf-view-mode) - (pdf-info-outline) - (let* ((outline nil) - (fn (or file-name (buffer-file-name) jao-doc-view--imenu-file)) - (fn (shell-quote-argument (expand-file-name fn)))) - (with-temp-buffer - (insert (shell-command-to-string (format "mutool show %s outline" fn))) - (goto-char (point-min)) - (while (re-search-forward jao-doc-view--outline-rx nil t) - (push `((level . ,(length (match-string 1))) - (title . ,(match-string 2)) - (page . ,(string-to-number (match-string 3)))) - outline))) - (nreverse outline)))) - -(defun jao-doc-view-section-title (&optional page file-name) - (when (not jao--pdf-outline) - (setq-local jao--pdf-outline (jao-doc-view-pdf-outline file-name))) - (let ((page (or page (jao-doc-view-current-page))) - (outline jao--pdf-outline) - (cur-page 0) - (cur-title (jao-doc-view-title (or file-name buffer-file-name "title")))) - (while (and (car outline) (< cur-page page)) - (setq cur-page (cdr (assoc 'page (car outline)))) - (when (<= cur-page page) - (setq cur-title (cdr (assoc 'title (car outline))))) - (setq outline (cdr outline))) - (replace-regexp-in-string "[[:blank:]]+" " " cur-title))) - -(defun jao-doc-view-title (&optional fname) - (if (or fname (not (derived-mode-p 'doc-view-mode 'pdf-view-mode))) - (let ((base (file-name-base (or fname (buffer-file-name))))) - (capitalize (replace-regexp-in-string "-" " " base))) - (or (jao-doc-view-section-title) - (when buffer-file-name (jao-doc-view-title buffer-file-name))))) - ;;; imenu (defvar-local jao-doc-view--imenu-file nil) (defvar-local jao-doc-view--goer 'jao-doc-view-goto-page) @@ -97,7 +51,7 @@ (let (index) (dolist (item (or jao--pdf-outline (setq jao--pdf-outline - (jao-doc-view-pdf-outline jao-doc-view--imenu-file)))) + (jao-pdf-outline jao-doc-view--imenu-file)))) (let-alist item (let* ((lvl (make-string (max 0 (1- .level)) ?.)) (title (format "%s%s (%s)" lvl .title .page))) |