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;;; cpp-skel.el
;; Copyright (C) 2004, 2005, 2008, 2009 Jose Antonio Ortega Ruiz
;; Author: Jose A Ortega Ruiz <jao@gnu.org>
;; Keywords: tools
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; C++ skeletons.
;;; Code:
(require 'common-skel)
(require 'thingatpt)
;;; Variables
(defvar jao-skel-cpp-root-namespace nil
"The root C++ namespace")
(defvar jao-skel-cpp-brief-header-p nil
"If non-nil, generate brief header comments")
(defvar jao-skel-cpp-make-guard-function #'jao-skel-cpp-make-guard-name
"Function generating #include guards")
(defvar jao-skel-cpp-use-namespaces t
"Whether to generate namespaces")
(defvar jao-skel-cpp-single-line-namespaces t
"Whether to put consecutive namespace decls in a single line")
(defvar jao-skel-cpp-header-extension "hpp")
;;; Auxiliar functions
(defun jao-skel-cpp--find-other (ext)
(file-name-nondirectory
(or (ff-other-file-name)
(concat (file-name-sans-extension (buffer-name)) "." ext))))
(defun jao-skel-cpp-make-guard-name (ns)
"Create a standard include guard name"
(upcase (mapconcat #'identity
`(,@ns ,(jao-basename) ,(jao-extension)
,(user-login-name)
,(format-time-string "%y%m%d%H%M"))
"_")))
;; namespaces
(defsubst jao-skel-cpp--read-ns (curr)
(read-string (format "Add namespace (current: %s): " (or curr "[none]"))))
(defsubst jao-skel-cpp--ns2str (ns) (mapconcat 'identity ns "::"))
(defun jao-skel-cpp--get-ns-list (&optional acc)
(do* ((result acc (cons next result))
(next (jao-skel-cpp--read-ns (jao-skel-cpp--ns2str acc))
(jao-skel-cpp--read-ns (jao-skel-cpp--ns2str (reverse result)))))
((string= next "") (reverse result))))
(defun jao-skel-cpp--insert-open-ns-list (ns)
(dolist (n ns)
(insert (format "namespace %s {%s"
n
(if jao-skel-cpp-single-line-namespaces " " "\n")))
(indent-according-to-mode))
(when jao-skel-cpp-single-line-namespaces
(newline)
(indent-according-to-mode)))
(defun jao-skel-cpp--insert-close-ns-list (ns)
(if jao-skel-cpp-single-line-namespaces
(insert (format "%s // namespace %s\n"
(make-string (length ns) ?})
(jao-skel-cpp--ns2str ns)))
(dolist (n (reverse ns))
(insert (format "} // namespace %s\n" n)))))
(defun jao-skel-cpp--copy-ns-lines ()
(let ((lines))
(save-excursion
(goto-char (point-min))
(while (re-search-forward "namespace\\s-\\w+\\s-{\\|}+\\s-//\\s-namespace"
nil t)
(push (thing-at-point 'line) lines)
(next-line)))
lines))
(defun jao-skel-cpp--copy-namespace ()
(let* ((name (ff-other-file-name))
(buff (and name (find-file-noselect name)))
(nlines))
(when buff
(let ((lines (save-current-buffer
(set-buffer buff)
(jao-skel-cpp--copy-ns-lines))))
(dolist (line lines)
(push line nlines)
(when (string-match "}" line)
(push "\n\n\n\n" nlines)))))
(mapconcat #'identity nlines "\n")))
(defsubst jao-skel-cpp--get-new-namespace ()
(when jao-skel-cpp-use-namespaces
(jao-skel-cpp--get-ns-list
(and jao-skel-cpp-root-namespace (list jao-skel-cpp-root-namespace)))))
;; skeletons
(define-skeleton jao-skel-cpp-header-long
"Initial file header blurb"
"Brief file description: "
"/**"
> \n
"* @file " (file-name-nondirectory (buffer-file-name))
> \n
"* @brief " str
> \n
"* @author " (user-full-name) " <"user-mail-address">"
> \n
"* @date " (format-time-string "%a %b %d, %Y %H:%M")
> \n
"*"
> \n
(jao-copyright-line "* " "")
"*"
> ?\n
(jao-insert-copyright-file)
> \n \n _)
(define-skeleton jao-skel-cpp-header-brief
"Brief initial header blurb"
nil
(jao-copyright-line "/* " " */")
\n)
(define-skeleton jao-skel-cpp-header-comment
"Insert a standard comment block"
nil
'(if jao-skel-cpp-brief-header-p
(jao-skel-cpp-header-brief)
(jao-skel-cpp-header-long)))
;; source C/C++ file ------------------------------------------------------
(define-skeleton jao-skel-cpp-source-header
"Insert a standard C++ source header"
nil
'(jao-skel-cpp-header-comment)
? \n
"#include \"" (jao-skel-cpp--find-other jao-skel-cpp-header-extension) "\""
> \n \n _
(jao-skel-cpp--copy-namespace)
\n)
(define-skeleton jao-skel-c-source-header
"Insert a standard C source header"
nil
'(jao-skel-cpp-header-comment)
"#include \"" (jao-skel-cpp--find-other "h") "\""
> _ \n \n \n \n
(jao-scm-line "/* " " */")
> \n)
;; header C/C++ files ------------------------------------------------------
;; header guard
;; class definition
(define-skeleton jao-skel-cpp-class-def
"Insert a class definition"
nil
'(setq v1 (jao-basename))
> \n
"/**"
> \n
"*"
> \n
"*"
> \n
"*/"
> \n
"class " v1
> \n
"{"
> \n
"public:"
> \n
"~" v1 "();"
> \n
v1 "();"
> \n
v1 "(const " v1 "& other);"
> \n \n
"private:"
> \n
"};"
> \n)
(define-skeleton jao-skel-cpp-header
"Insert a standard C++ header (hpp files)"
nil
'(setq v1 (jao-skel-cpp--get-new-namespace))
'(setq v2 (funcall jao-skel-cpp-make-guard-function v1))
'(jao-skel-cpp-header-comment)
> \n
"#ifndef " v2
> \n
"#define " v2
> \n \n
'(when v1 (jao-skel-cpp--insert-open-ns-list v1))
_ '(jao-skel-cpp-class-def)
> \n \n
'(when v1 (jao-skel-cpp--insert-close-ns-list v1))
> \n \n
"#endif // " v2
> \n)
(define-skeleton jao-skel-c-header
"Insert a standard C header (.h files)"
nil
'(jao-skel-cpp-header-comment)
> \n
'(setq v1 (funcall jao-skel-cpp-make-guard-function nil))
"#ifndef " v1
> \n
"#define " v1
> _ \n \n \n \n
"#endif /* " v1 " */"
> \n \n
(jao-scm-line "/* " " */")
> \n)
(jao-skel-provide
'(("\\.cpp$" jao-skel-cpp-source-header)
("\\.hpp$" jao-skel-cpp-header)
("\\.c$" jao-skel-c-source-header)
("\\.h$" jao-skel-c-header)))
(provide 'cpp-skel)
;;; cpp-skel.el ends here
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