diff --git a/edocs.el b/edocs.el
index 958d119..74a21ed 100644
--- a/edocs.el
+++ b/edocs.el
@@ -38,6 +38,7 @@
;;; Code:
+(require 'eieio)
(require 'help-fns)
(require 'lisp-mnt)
(require 'ox-html)
@@ -71,6 +72,9 @@ and are not meant to be used outside the module. The default is
`--', which matches any symbol with two hyphens such as
`edocs--symbol-type-map'.")
+(defvar edocs-exporter 'edocs-html-exporter
+ "The exporter to use when exporting docs.")
+
(defconst edocs--symbol-type-map
#s(hash-table size 8 test equal
data ("defclass" "Class"
@@ -84,6 +88,14 @@ and are not meant to be used outside the module. The default is
"defvar" "Variable"))
"Type -> name map for symbol types.")
+(defclass edocs-ascii-exporter ()
+ ((extension :reader exporter-extension :initform ".txt"))
+ :documentation "An exporter that produces ascii text.")
+
+(defclass edocs-html-exporter ()
+ ((extension :reader exporter-extension :initform ".html"))
+ :documentation "An exporter that produces html text.")
+
(defun edocs--get-doc (expr)
"Get a docstring from EXPR."
(cl-case (car expr)
@@ -146,20 +158,35 @@ etc."
"Get the display text for TYPE-NAME."
(gethash type-name edocs--symbol-type-map type-name))
-(defun edocs--insert-header ()
- "Insert necessary header information into the current buffer."
+(defmethod edocs--export-insert-headers ((exporter edocs-html-exporter))
+ "Insert an HTML header."
(insert "\n"
""
""))
-(defun edocs--insert-footer ()
+(defmethod edocs--export-insert-title ((exporter edocs-html-exporter)
+ title subtitle)
+ "Insert TITLE and SUBTITLE as html."
+ (edocs--with-tag "div" '(("class" . "container"))
+ (insert "
" title " — " subtitle "
")))
+
+(defmethod edocs--export-insert-headers ((exporter edocs-ascii-exporter))
+ "Don't insert anything."
+ nil)
+
+(defmethod edocs--export-insert-title ((exporter edocs-ascii-exporter)
+ title subtitle)
+ "Insert TITLE and SUBTITLE."
+ (insert title " --- " subtitle "\n\n"))
+
+(defmethod edocs--export-insert-footer ((exporter edocs-html-exporter))
"Insert necessary footer information into the current buffer."
(insert ""))
-(defun edocs--insert-title (title sub)
- "Insert a formatted TITLE and SUB into the current buffer."
- (insert "
" title " — " sub "
"))
+(defmethod edocs--export-insert-footer ((exporter edocs-ascii-exporter))
+ "Don't insert anything."
+ nil)
(defmacro edocs--with-tag (tag attrs &rest contents)
"Put insertion of TAG (possibly with ATTRS) around CONTENTS."
@@ -177,7 +204,8 @@ etc."
,@contents
(insert ""))))
-(defun edocs--format-text (txt known-symbols)
+(defmethod edocs--export-format-text ((exporter edocs-html-exporter)
+ txt known-symbols)
"Perform formatting operations on TXT.
KNOWN-SYMBOLS is used for referencing symbols found in other
@@ -194,23 +222,41 @@ parts of the module."
txt)
'html t)))
-(defun edocs--format-commentary (cmt known-symbols)
- "Perform special commentary formatting operations on CMT.
+(defmethod edocs--export-format-text ((exporter edocs-ascii-exporter)
+ txt known-symbols)
+ "Perform formatting operations on TXT."
+ txt)
+
+(defmethod edocs--export-insert-header ((exporter edocs-html-exporter)
+ level txt)
+ "Format a header."
+ (insert (format "%s" level txt level)))
+
+(defmethod edocs--export-insert-header ((exporter edocs-ascii-exporter)
+ level txt)
+ "Format a header"
+ (insert (make-string level ?=) " " txt "\n\n"))
+
+(defun edocs--format-commentary (exporter cmt known-symbols)
+ "Make EXPORTER perform special commentary formatting operations on CMT.
KNOWN-SYMBOLS is used for referencing symbols found in other
parts of the module."
- (edocs--format-text
+ (edocs--export-format-text
+ exporter
(replace-regexp-in-string
";" "*" (replace-regexp-in-string
"^;; " "" (replace-regexp-in-string
";;; Commentary:\n+" "" cmt))) known-symbols))
-(defun edocs--format-doc (doc known-symbols)
- "Perform formatting operations on DOC or on DOC's `cdr'.
+(defun edocs--format-doc (exporter doc known-symbols)
+ "Make EXPORTER perform formatting operations on DOC or on DOC's `cdr'.
KNOWN-SYMBOLS is used for referencing symbols found in other
parts of the module."
- (edocs--format-text (if (consp doc) (cdr doc) doc) known-symbols))
+ (edocs--export-format-text
+ exporter
+ (if (consp doc) (cdr doc) doc) known-symbols))
(defun edocs--package-desc-p (package-info)
"Check to see if PACKAGE-INFO is a package-desc struct."
@@ -244,8 +290,33 @@ See the docstring for `edocs--module-name' for more information."
(list docs)
docs))
-(defun edocs--format-symbol (symbol known-symbols)
- "Format the information in SYMBOL.
+(defmethod edocs--export-insert-definition
+ ((exporter edocs-html-exporter) type name args doc known-symbols)
+ "Insert definition."
+ (edocs--with-tag "div" nil
+ (insert "– ")
+ (edocs--with-tag "strong" nil
+ (insert (edocs--get-type-display type)))
+ (insert ": ")
+ (edocs--with-tag "tt" nil
+ (edocs--with-tag "a" `(("name" . ,name)
+ ("href" . ,(concat "#" name)))
+ (insert name)))
+ (insert " " (or args ""))
+ (edocs--with-tag "blockquote" '(("class" . "docstring"))
+ (insert (or (edocs--format-doc exporter doc known-symbols)
+ "Not documented.")))))
+
+(defmethod edocs--export-insert-definition
+ ((exporter edocs-ascii-exporter) type name args doc known-symbols)
+ "Insert definition."
+ (insert "-- " (edocs--get-type-display type) ": "
+ name " " (or args "") "\n\n"
+ (or (edocs--format-doc exporter doc known-symbols)
+ "Not documented.") "\n\n"))
+
+(defun edocs--format-symbol (exporter symbol known-symbols)
+ "Make EXPORTER format the information in SYMBOL.
KNOWN-SYMBOLS is used for referencing symbols found in other
parts of the module."
@@ -254,22 +325,11 @@ parts of the module."
(docs (edocs-symbol-doc symbol))
(args (edocs-symbol-args symbol)))
(mapc (lambda (doc)
- (edocs--with-tag "div" nil
- (insert "– ")
- (edocs--with-tag "strong" nil
- (insert (edocs--get-type-display type)))
- (insert ": ")
- (edocs--with-tag "tt" nil
- (edocs--with-tag "a" `(("name" . ,name)
- ("href" . ,(concat "#" name)))
- (insert name)))
- (insert " " (or args ""))
- (edocs--with-tag "blockquote" '(("class" . "docstring"))
- (insert (or (edocs--format-doc doc known-symbols)
- "Not documented.")))))
+ (edocs--export-insert-definition
+ exporter type name args doc known-symbols))
(edocs--normalize docs))))
-(defun edocs-generate ()
+(defun edocs-generate (&optional exporter)
"Generate nice-looking documentation for a module or file.
Markup is handled by `org-mode' exporting functions. This
@@ -282,25 +342,29 @@ into a buffer called `*edocs*' and switches to that buffer."
(binfo (package-buffer-info))
(commentary (lm-commentary))
(symbol-specs (edocs--list-symbols))
- (symbols (mapcar #'edocs-symbol-name symbol-specs)))
+ (symbols (mapcar #'edocs-symbol-name symbol-specs))
+ (exporter (or exporter (make-instance edocs-exporter))))
(with-current-buffer buffer
- (unless edocs-generate-only-body (edocs--insert-header))
- (edocs--with-tag "div" '(("class" . "container"))
- (edocs--insert-title (edocs--module-name binfo)
- (edocs--module-summary binfo))
- (insert (edocs--format-commentary commentary symbols))
- (insert "