>From 18adbd0e1226cf3307090861e09e92bfa9cdfbf1 Mon Sep 17 00:00:00 2001 From: TEC Date: Sun, 21 Nov 2021 14:35:34 +0800 Subject: [PATCH 01/10] ox-latex: Refactor `org-latex-src-block' * lisp/ox-latex.el (org-latex-src-block): Extract the per-format logic from `org-latex-src-block' into new dedicated functions: + `org-latex-src-block--verbatim' + `org-latex-src-block--custom' + `org-latex-src-block--minted' + `org-latex-src-block--listings' This makes `org-latex-src-block' much less monolithic, taking it from 175 lines to 30, and I find also makes it easier to understand. --- lisp/ox-latex.el | 339 ++++++++++++++++++++++++++--------------------- 1 file changed, 185 insertions(+), 154 deletions(-) diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el index 841ad48bc..c2f728a1c 100644 --- a/lisp/ox-latex.el +++ b/lisp/ox-latex.el @@ -2997,164 +2997,195 @@ (defun org-latex-src-block (src-block _contents info) (float (plist-get attributes :float)) (listings (plist-get info :latex-listings))) (cond - ;; Case 1. No source fontification. ((or (not lang) (not listings)) - (let ((caption-str (org-latex--caption/label-string src-block info)) - (verbatim (format "\\begin{verbatim}\n%s\\end{verbatim}" - (org-export-format-code-default src-block info)))) - (cond ((string= "multicolumn" float) - (format "\\begin{figure*}[%s]\n%s%s\n%s\\end{figure*}" - (plist-get info :latex-default-figure-position) - (if caption-above-p caption-str "") - verbatim - (if caption-above-p "" caption-str))) - (caption (concat - (if caption-above-p caption-str "") - verbatim - (if caption-above-p "" (concat "\n" caption-str)))) - (t verbatim)))) - ;; Case 2. Custom environment. + (org-latex-src-block--verbatim src-block info lang caption caption-above-p label + num-start retain-labels attributes float)) (custom-env - (let ((caption-str (org-latex--caption/label-string src-block info)) - (formatted-src (org-export-format-code-default src-block info))) - (if (string-match-p "\\`[a-zA-Z0-9]+\\'" custom-env) - (format "\\begin{%s}\n%s\\end{%s}\n" - custom-env - (concat (and caption-above-p caption-str) - formatted-src - (and (not caption-above-p) caption-str)) - custom-env) - (format-spec custom-env - `((?s . ,formatted-src) - (?c . ,caption) - (?f . ,float) - (?l . ,(org-latex--label src-block info)) - (?o . ,(or (plist-get attributes :options) ""))))))) - ;; Case 3. Use minted package. + (org-latex-src-block--custom src-block info lang caption caption-above-p label + num-start retain-labels attributes float custom-env)) ((eq listings 'minted) - (let* ((caption-str (org-latex--caption/label-string src-block info)) - (placement (or (org-unbracket-string "[" "]" (plist-get attributes :placement)) - (plist-get info :latex-default-figure-position))) - (float-env - (cond - ((string= "multicolumn" float) - (format "\\begin{listing*}[%s]\n%s%%s\n%s\\end{listing*}" - placement - (if caption-above-p caption-str "") - (if caption-above-p "" caption-str))) - (caption - (format "\\begin{listing}[%s]\n%s%%s\n%s\\end{listing}" - placement - (if caption-above-p caption-str "") - (if caption-above-p "" caption-str))) - ((string= "t" float) - (concat (format "\\begin{listing}[%s]\n" - placement) - "%s\n\\end{listing}")) - (t "%s"))) - (options (plist-get info :latex-minted-options)) - (body - (format - "\\begin{minted}[%s]{%s}\n%s\\end{minted}" - ;; Options. - (concat - (org-latex--make-option-string - (if (or (not num-start) (assoc "linenos" options)) - options - (append - `(("linenos") - ("firstnumber" ,(number-to-string (1+ num-start)))) - options))) - (let ((local-options (plist-get attributes :options))) - (and local-options (concat "," local-options)))) - ;; Language. - (or (cadr (assq (intern lang) - (plist-get info :latex-minted-langs))) - (downcase lang)) - ;; Source code. - (let* ((code-info (org-export-unravel-code src-block)) - (max-width - (apply 'max - (mapcar 'length - (org-split-string (car code-info) - "\n"))))) - (org-export-format-code - (car code-info) - (lambda (loc _num ref) - (concat - loc - (when ref - ;; Ensure references are flushed to the right, - ;; separated with 6 spaces from the widest line - ;; of code. - (concat (make-string (+ (- max-width (length loc)) 6) - ?\s) - (format "(%s)" ref))))) - nil (and retain-labels (cdr code-info))))))) - ;; Return value. - (format float-env body))) - ;; Case 4. Use listings package. + (org-latex-src-block--minted src-block info lang caption caption-above-p label + num-start retain-labels attributes float)) (t - (let ((lst-lang - (or (cadr (assq (intern lang) - (plist-get info :latex-listings-langs))) - lang)) - (caption-str - (when caption - (let ((main (org-export-get-caption src-block)) - (secondary (org-export-get-caption src-block t))) - (if (not secondary) - (format "{%s}" (org-export-data main info)) - (format "{[%s]%s}" - (org-export-data secondary info) - (org-export-data main info)))))) - (lst-opt (plist-get info :latex-listings-options))) - (concat - ;; Options. - (format - "\\lstset{%s}\n" - (concat - (org-latex--make-option-string - (append - lst-opt - (cond - ((and (not float) (plist-member attributes :float)) nil) - ((string= "multicolumn" float) '(("float" "*"))) - ((and float (not (assoc "float" lst-opt))) - `(("float" ,(plist-get info :latex-default-figure-position))))) - `(("language" ,lst-lang)) - (if label - `(("label" ,(org-latex--label src-block info))) - '(("label" " "))) - (if caption-str `(("caption" ,caption-str)) '(("caption" " "))) - `(("captionpos" ,(if caption-above-p "t" "b"))) - (cond ((assoc "numbers" lst-opt) nil) - ((not num-start) '(("numbers" "none"))) - (t `(("firstnumber" ,(number-to-string (1+ num-start))) - ("numbers" "left")))))) - (let ((local-options (plist-get attributes :options))) - (and local-options (concat "," local-options))))) - ;; Source code. - (format - "\\begin{lstlisting}\n%s\\end{lstlisting}" - (let* ((code-info (org-export-unravel-code src-block)) - (max-width - (apply 'max - (mapcar 'length - (org-split-string (car code-info) "\n"))))) - (org-export-format-code - (car code-info) - (lambda (loc _num ref) - (concat - loc - (when ref - ;; Ensure references are flushed to the right, - ;; separated with 6 spaces from the widest line of - ;; code - (concat (make-string (+ (- max-width (length loc)) 6) ?\s) - (format "(%s)" ref))))) - nil (and retain-labels (cdr code-info)))))))))))) - + (org-latex-src-block--listings src-block info lang caption caption-above-p label + num-start retain-labels attributes float)))))) + +(defun org-latex-src-block--verbatim + (src-block info _lang caption caption-above-p _label + _num-start _retain-labels _attributes float) + "Transcode a SRC-BLOCK element from Org to LaTeX, using verbatim. +LANG, CAPTION, CAPTION-ABOVE-P, LABEL, NUM-START, RETAIN-LABELS, ATTRIBUTES +and FLOAT are extracted from SRC-BLOCK and INFO in `org-latex-src-block'." + (let ((caption-str (org-latex--caption/label-string src-block info)) + (verbatim (format "\\begin{verbatim}\n%s\\end{verbatim}" + (org-export-format-code-default src-block info)))) + (cond ((string= "multicolumn" float) + (format "\\begin{figure*}[%s]\n%s%s\n%s\\end{figure*}" + (plist-get info :latex-default-figure-position) + (if caption-above-p caption-str "") + verbatim + (if caption-above-p "" caption-str))) + (caption (concat + (if caption-above-p caption-str "") + verbatim + (if caption-above-p "" (concat "\n" caption-str)))) + (t verbatim)))) + +(defun org-latex-src-block--custom + (src-block info _lang caption caption-above-p _label + _num-start _retain-labels attributes float custom-env) + "Transcode a SRC-BLOCK element from Org to LaTeX, using a custom environment. +LANG, CAPTION, CAPTION-ABOVE-P, LABEL, NUM-START, RETAIN-LABELS, ATTRIBUTES +and FLOAT are extracted from SRC-BLOCK and INFO in `org-latex-src-block'." + (let ((caption-str (org-latex--caption/label-string src-block info)) + (formatted-src (org-export-format-code-default src-block info))) + (if (string-match-p "\\`[a-zA-Z0-9]+\\'" custom-env) + (format "\\begin{%s}\n%s\\end{%s}\n" + custom-env + (concat (and caption-above-p caption-str) + formatted-src + (and (not caption-above-p) caption-str)) + custom-env) + (format-spec custom-env + `((?s . ,formatted-src) + (?c . ,caption) + (?f . ,float) + (?l . ,(org-latex--label src-block info)) + (?o . ,(or (plist-get attributes :options) ""))))))) + +(defun org-latex-src-block--minted + (src-block info lang caption caption-above-p _label + num-start retain-labels attributes float) + "Transcode a SRC-BLOCK element from Org to LaTeX, using minted. +LANG, CAPTION, CAPTION-ABOVE-P, LABEL, NUM-START, RETAIN-LABELS, ATTRIBUTES +and FLOAT are extracted from SRC-BLOCK and INFO in `org-latex-src-block'." + (let* ((caption-str (org-latex--caption/label-string src-block info)) + (placement (or (org-unbracket-string "[" "]" (plist-get attributes :placement)) + (plist-get info :latex-default-figure-position))) + (float-env + (cond + ((string= "multicolumn" float) + (format "\\begin{listing*}[%s]\n%s%%s\n%s\\end{listing*}" + placement + (if caption-above-p caption-str "") + (if caption-above-p "" caption-str))) + (caption + (format "\\begin{listing}[%s]\n%s%%s\n%s\\end{listing}" + placement + (if caption-above-p caption-str "") + (if caption-above-p "" caption-str))) + ((string= "t" float) + (concat (format "\\begin{listing}[%s]\n" + placement) + "%s\n\\end{listing}")) + (t "%s"))) + (options (plist-get info :latex-minted-options)) + (body + (format + "\\begin{minted}[%s]{%s}\n%s\\end{minted}" + ;; Options. + (concat + (org-latex--make-option-string + (if (or (not num-start) (assoc "linenos" options)) + options + (append + `(("linenos") + ("firstnumber" ,(number-to-string (1+ num-start)))) + options))) + (let ((local-options (plist-get attributes :options))) + (and local-options (concat "," local-options)))) + ;; Language. + (or (cadr (assq (intern lang) + (plist-get info :latex-minted-langs))) + (downcase lang)) + ;; Source code. + (let* ((code-info (org-export-unravel-code src-block)) + (max-width + (apply 'max + (mapcar 'length + (org-split-string (car code-info) + "\n"))))) + (org-export-format-code + (car code-info) + (lambda (loc _num ref) + (concat + loc + (when ref + ;; Ensure references are flushed to the right, + ;; separated with 6 spaces from the widest line + ;; of code. + (concat (make-string (+ (- max-width (length loc)) 6) + ?\s) + (format "(%s)" ref))))) + nil (and retain-labels (cdr code-info))))))) + ;; Return value. + (format float-env body))) + +(defun org-latex-src-block--listings + (src-block info lang caption caption-above-p label + num-start retain-labels attributes float) + "Transcode a SRC-BLOCK element from Org to LaTeX, using listings. +LANG, CAPTION, CAPTION-ABOVE-P, LABEL, NUM-START, RETAIN-LABELS, ATTRIBUTES +and FLOAT are extracted from SRC-BLOCK and INFO in `org-latex-src-block'." + (let ((lst-lang + (or (cadr (assq (intern lang) + (plist-get info :latex-listings-langs))) + lang)) + (caption-str + (when caption + (let ((main (org-export-get-caption src-block)) + (secondary (org-export-get-caption src-block t))) + (if (not secondary) + (format "{%s}" (org-export-data main info)) + (format "{[%s]%s}" + (org-export-data secondary info) + (org-export-data main info)))))) + (lst-opt (plist-get info :latex-listings-options))) + (concat + ;; Options. + (format + "\\lstset{%s}\n" + (concat + (org-latex--make-option-string + (append + lst-opt + (cond + ((and (not float) (plist-member attributes :float)) nil) + ((string= "multicolumn" float) '(("float" "*"))) + ((and float (not (assoc "float" lst-opt))) + `(("float" ,(plist-get info :latex-default-figure-position))))) + `(("language" ,lst-lang)) + (if label + `(("label" ,(org-latex--label src-block info))) + '(("label" " "))) + (if caption-str `(("caption" ,caption-str)) '(("caption" " "))) + `(("captionpos" ,(if caption-above-p "t" "b"))) + (cond ((assoc "numbers" lst-opt) nil) + ((not num-start) '(("numbers" "none"))) + (t `(("firstnumber" ,(number-to-string (1+ num-start))) + ("numbers" "left")))))) + (let ((local-options (plist-get attributes :options))) + (and local-options (concat "," local-options))))) + ;; Source code. + (format + "\\begin{lstlisting}\n%s\\end{lstlisting}" + (let* ((code-info (org-export-unravel-code src-block)) + (max-width + (apply 'max + (mapcar 'length + (org-split-string (car code-info) "\n"))))) + (org-export-format-code + (car code-info) + (lambda (loc _num ref) + (concat + loc + (when ref + ;; Ensure references are flushed to the right, + ;; separated with 6 spaces from the widest line of + ;; code + (concat (make-string (+ (- max-width (length loc)) 6) ?\s) + (format "(%s)" ref))))) + nil (and retain-labels (cdr code-info)))))))) ;;;; Statistics Cookie -- 2.35.3