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* gnu/packages/emacs-xyz.scm (emacs-doc-toc): New variable. Change-Id: I157a92ecb1b2df1dba22046cc21d0383bea5f65d Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>
252 lines
13 KiB
Diff
252 lines
13 KiB
Diff
Upstream-status: https://github.com/dalanicolai/doc-tools-toc/pull/4
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diff --git a/doc-toc.el b/doc-toc.el
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index 8b7057c..64eca03 100644
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--- a/doc-toc.el
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+++ b/doc-toc.el
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@@ -216,6 +216,7 @@
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(defvar pdf-filename)
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(declare-function pdf-cache-get-image "pdf-cache")
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+(declare-function pdf-view-active-region-text "pdf-view")
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(declare-function pdf-view-goto-page "pdf-view")
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(declare-function pdf-view-next-page "pdf-view")
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(declare-function pdf-view-previous-page "pdf-view")
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@@ -262,39 +263,60 @@ URL`http://handyoutlinerfo.sourceforge.net/'."
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String (i.e. surround with double quotes)."
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:type 'file)
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+(defvar doc-toc--ddjvu-program (executable-find "ddjvu"))
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+(defvar doc-toc--djvused-program (executable-find "djvused"))
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+(defvar doc-toc--djvutxt-program (executable-find "djvutxt"))
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+(defvar doc-toc--mutool-program (executable-find "mutool"))
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+(defvar doc-toc--pdfoutline-program (executable-find "pdfoutline"))
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+(defvar doc-toc--pdftocgen-program (executable-find "pdftocgen"))
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+(defvar doc-toc--pdftocio-program (executable-find "pdftocio"))
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+(defvar doc-toc--pdftotext-program (executable-find "pdftotext"))
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+(defvar doc-toc--pdfxmeta-program (executable-find "pdfxmeta"))
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+(defvar doc-toc--tesseract-program (executable-find "tesseract"))
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+
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+(defun doc-toc--process-to-string (program &rest args)
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+ "Return the output of running PROGRAM with ARGS.
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+
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+Like `shell-command-to-string', but PROGRAM and ARGS are provided as
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+separate strings rather than a single space-separated, escaped string."
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+ (with-temp-buffer
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+ (apply #'call-process
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+ program
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+ nil
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+ (list (current-buffer) nil)
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+ nil
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+ args)
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+ (buffer-string)))
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+
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;;;; pdf.tocgen
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;;;###autoload
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(defun doc-toc-gen-set-level (level)
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- "Define the text properties of the heading level.
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-In a pdf-view buffer select a single word in the headline of a
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-certain level. Then run `doc-toc-gen-set-level' to write the text
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+ "define the text properties of the heading level.
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+in a pdf-view buffer select a single word in the headline of a
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+certain level. then run `doc-toc-gen-set-level' to write the text
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properties to the recipe.toml file that is created in the
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-document's directory. You will be prompted to enter the LEVEL
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-number. The highest level should have number 1, the next level
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+document's directory. you will be prompted to enter the level
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+number. the highest level should have number 1, the next level
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number 2 etc."
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- (interactive "nWhich level you are setting (number): ")
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+ (interactive "nwhich level you are setting (number): ")
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(let* ((page (pdf-view-current-page))
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(filename (url-filename (url-generic-parse-url buffer-file-name)))
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- (pdfxmeta-result (shell-command
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- (format "pdfxmeta --auto %s --page %s %s \"%s\" >> recipe.toml"
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- level
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- page
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- (shell-quote-argument filename)
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- (car (pdf-view-active-region-text))))))
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- ;; (pdfxmeta-result (call-process "pdfxmeta" nil "recipe.toml" nil
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- ;; "--auto" (number-to-string level)
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- ;; "--page" (number-to-string page)
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- ;; (shell-quote-argument filename)
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- ;; (concat "\"" (car (pdf-view-active-region-text)) "\""))))
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+ (pdfxmeta-result (call-process doc-toc--pdfxmeta-program nil "recipe.toml" nil
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+ "--auto" (number-to-string level)
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+ "--page" (number-to-string page)
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+ (shell-quote-argument filename)
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+ (concat "\"" (car (pdf-view-active-region-text)) "\""))))
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(when (eq pdfxmeta-result 1)
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- (let ((page-text (shell-command-to-string
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- (format "mutool draw -F text %s %s"
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- (shell-quote-argument filename)
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- page
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- ))))
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+ (let ((page-text (doc-toc--process-to-string
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+ doc-toc--mutool-program
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+ "draw"
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+ "-f"
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+ "text"
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+ filename
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+ page)))
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(pop-to-buffer "page-text")
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(insert
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- "COULD NOT SET HEADING LEVEL. MUPDF EXTRACTED FOLLOWING PAGE TEXT FROM PAGE:\n")
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+ "could not set heading level. mupdf extracted following page text from page:\n")
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(add-text-properties 1 (point) '(face font-lock-warning-face))
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(let ((beg (point)))
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(insert "(try to select partial word)\n\n")
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@@ -312,8 +334,11 @@ be used after the headline text properties have been defined with
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the function `doc-toc-gen-set-level'"
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(interactive)
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(let ((filename buffer-file-name)
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- (toc (shell-command-to-string
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- (format "pdftocgen %s < recipe.toml" (shell-quote-argument buffer-file-name)))))
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+ (toc (doc-toc--process-to-string
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+ doc-toc--pdftocgen-program
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+ buffer-file-name
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+ "-r"
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+ "recipe.toml")))
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(switch-to-buffer "toc")
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(doc-toc-pdftocgen-mode) ;; required before setting local variable
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(when (fboundp 'flyspell-mode)
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@@ -328,7 +353,8 @@ named output.pdf and opened in a new buffer. Don't forget to
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rename this new file."
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(interactive)
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(let* ((output-buf (get-buffer-create "*pdftocio-output*")))
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- (call-process-region (point-min) (point-max) "pdftocio"
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+ (call-process-region (point-min) (point-max)
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+ doc-toc--pdftocio-program
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nil output-buf nil pdf-filename)
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(kill-buffer-if-not-modified (find-file pdf-filename))
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(when (file-exists-p (concat (file-name-base pdf-filename) "_out.pdf"))
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@@ -483,14 +509,19 @@ ARG (\\[universal-argument]) to enter different separators."
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(default-process-coding-system
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(cond ((string= ".pdf" ext)'(windows-1252-unix . utf-8-unix))
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((string= ".djvu" ext) '(utf-8-unix . utf-8-unix))))
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- (shell-command (cond ((string= ".pdf" ext) "pdftotext -f %s -l %s -layout %s -")
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- ((string= ".djvu" ext) "djvutxt --page=%s-%s %s")
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- (t (error "Buffer-filename does not have pdf or djvu extension"))))
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- (text (shell-command-to-string
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- (format shell-command
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- startpage
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- endpage
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- (shell-quote-argument buffer-file-name))))
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+ (text (cond ((string= ".pdf" ext)
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+ (doc-toc--process-to-string
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+ doc-toc--pdftotext-program
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+ "-f" startpage
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+ "-l" endpage
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+ "-layout" buffer-file-name
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+ "-"))
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+ ((string= ".djvu" ext)
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+ (doc-toc--process-to-string
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+ doc-toc--djvutxt-program
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+ (format "--page=%s-%s" startpage endpage)
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+ buffer-file-name))
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+ (t (error "Buffer-filename does not have pdf or djvu extension"))))
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(buffer (get-buffer-create (file-name-sans-extension (buffer-name)))))
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(switch-to-buffer buffer)
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(doc-toc-cleanup-mode) ;; required before setting local variable
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@@ -522,7 +553,8 @@ For use in `doc-toc-ocr-languages'."
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(let ((print-length nil))
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(message (format "%s" (seq-subseq
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(split-string
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- (shell-command-to-string "tesseract --list-langs"))
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+ (doc-toc--process-to-string doc-toc--tesseract-program
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+ "--list-langs"))
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5)))))
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;;;###autoload
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@@ -557,7 +589,8 @@ unprocessed text."
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((string= ".djvu" ext)
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;; new code for djvu3
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(let ((outfile (format "/tmp/pageimagep%s" page)))
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- (shell-command (format "ddjvu -page=%s '%s' %s"
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+ (shell-command (format "%s -page=%s '%s' %s"
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+ doc-toc--ddjvu-program
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page
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buffer-file-name
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outfile))
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@@ -569,8 +602,12 @@ unprocessed text."
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;; (number-to-string page)
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;; (image-property djvu-doc-image :data))))))
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(apply #'call-process
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- (append (list "tesseract" nil (list buffer nil) nil file)
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- args))
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+ doc-toc--tesseract-program
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+ nil
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+ (list buffer nil)
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+ nil
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+ file
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+ args)
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(setq page (1+ page))))
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(switch-to-buffer buffer)
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(doc-toc-cleanup-mode) ;; required before setting local variable
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@@ -587,14 +624,20 @@ unprocessed text."
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(interactive)
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(let* ((source-buffer (current-buffer))
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(ext (url-file-extension (buffer-file-name (current-buffer))))
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- (shell-command (cond ((string= ".pdf" ext) (if (executable-find "mutool")
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- "mutool show %s outline"
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- "mutool command is not found"))
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- ((string= ".djvu" ext) "djvused -e 'print-outline' %s")
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- (t (error "Buffer-filename does not have pdf or djvu extension"))))
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- (text (shell-command-to-string
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- (format shell-command
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- (shell-quote-argument buffer-file-name))))
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+
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+ (text (cond ((string= ".pdf" ext)
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+ (unless doc-toc--mutool-program
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+ (error "Command mutool is not found"))
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+ (doc-toc--process-to-string doc-toc--mutool-program
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+ "show"
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+ buffer-file-name
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+ "outline"))
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+ ((string= ".djvu" ext)
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+ (doc-toc--process-to-string doc-toc--djvused-program
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+ "-e"
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+ "print-outline"
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+ buffer-file-name))
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+ (t (error "Buffer-filename does not have pdf or djvu extension"))))
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(buffer (get-buffer-create (concat (file-name-sans-extension (buffer-name)) ".txt"))))
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(switch-to-buffer buffer)
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(setq-local doc-buffer source-buffer)
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@@ -628,7 +671,7 @@ Prompt for startpage and endpage and print OCR output to new buffer."
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nil
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(number-to-string page)
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(image-property djvu-doc-image :data))))))
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- (apply #'call-process "tesseract" nil (list buffer nil) nil
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+ (apply #'call-process doc-toc--tesseract-program nil (list buffer nil) nil
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file args)
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(setq page (1+ page))))
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(switch-to-buffer buffer)))))
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@@ -992,7 +1035,7 @@ to `pdfoutline' shell command."
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This command uses the shell program `pdfoutline'."
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(interactive)
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(save-buffer)
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- (call-process "pdfoutline" nil "*pdfoutline*" nil
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+ (call-process doc-toc--pdfoutline-program nil "*pdfoutline*" nil
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(concat (file-name-sans-extension (buffer-name)) ".pdf")
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(buffer-name)
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(if doc-toc-replace-original-file
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@@ -1009,12 +1052,13 @@ This command uses the shell program `djvused'."
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(buffer-name)
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(shell-quote-argument
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(concat (file-name-sans-extension (buffer-name)) ".djvu"))))
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- (shell-command-to-string
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- (format
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- "djvused -s -e \"set-outline '%s'\" %s"
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- (buffer-name)
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- (shell-quote-argument
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- (concat (file-name-sans-extension (buffer-name)) ".djvu")))))
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+ (doc-toc--process-to-string
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+ doc-toc--djvused-program
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+ "-s"
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+ "-e"
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+ (format "set-outline '%s'"
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+ (buffer-name)) ;; TODO: maybe escape?
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+ (concat (file-name-sans-extension (buffer-name)) ".djvu")))
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(defun doc-toc--add-to-doc ()
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