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nxml-mode-expansions.el
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nxml-mode-expansions.el
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;;; nxml-mode-expansions.el --- Nxml-specific expansions for expand-region
;; Copyright (C) 2012 Ivan Andrus
;; Author: Ivan Andrus
;; Based on js-mode-expansions by: Magnar Sveen <[email protected]>
;; Keywords: marking region
;; This program 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 of the License, or
;; (at your option) any later version.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Feel free to contribute any other expansions for Nxml at
;;
;; https://github.com/magnars/expand-region.el
;;; Code:
(require 'expand-region-core)
(require 'html-mode-expansions)
(defun er/mark-nxml-tag ()
"Marks one nxml element e.g. <p>"
(interactive)
(cond ((looking-at "<")
(nxml-mark-token-after))
((looking-back ">")
(backward-char 1)
(nxml-mark-token-after))
((looking-back "<[^<>]*")
(nxml-mark-token-after))))
(defun er/mark-nxml-element ()
"Marks one nxml element e.g. <p>...</p>"
(interactive)
(if (not (looking-at "<[^/]"))
(er/mark-nxml-containing-element)
(set-mark (point))
(nxml-forward-element)
(exchange-point-and-mark)))
(defun er/mark-nxml-containing-element ()
"Marks one nxml element, but always e.g. <p>...</p>"
(interactive)
(nxml-up-element)
(set-mark (point))
(nxml-backward-element))
(defun er/mark-nxml-inside-element ()
"Marks the inside Nxml statement, eg. <p>...</p>"
(interactive)
(let ((nxml-sexp-element-flag nil))
(nxml-up-element)
(nxml-forward-balanced-item -1)
(set-mark (point))
(nxml-backward-up-element)
(nxml-forward-balanced-item 1)))
(defun er/mark-nxml-attribute-string ()
"Marks an attribute string."
(interactive)
(when (looking-back "[\"']")
(backward-char 1))
;; Using syntax highlighting is a hack, but I can't figure out how
;; to use nxml-mode functions to do it.
(font-lock-fontify-buffer)
(when (member (get-char-property (point) 'face)
'((nxml-attribute-value)
(nxml-attribute-value-delimiter)))
(while (member (get-char-property (point) 'face)
'((nxml-attribute-value)
(nxml-attribute-value-delimiter)))
(backward-char 1))
(set-mark (point))
(forward-sexp 1)
(exchange-point-and-mark)
;; move past the '='
(forward-char 1)))
(defun er/add-nxml-mode-expansions ()
"Adds Nxml-specific expansions for buffers in nxml-mode"
(interactive)
(set (make-local-variable 'er/try-expand-list)
(append
'(nxml-mark-paragraph
;; nxml-mark-token-after ;; Marks the current tag, etc. It's a bit schizophrenic
er/mark-nxml-tag
er/mark-nxml-inside-element
er/mark-nxml-element
er/mark-nxml-containing-element
er/mark-nxml-attribute-string
;; Steal from html-mode-expansions
er/mark-html-attribute)
;; some normal marks are more hindrance than help:
(remove 'er/mark-method-call
(remove 'er/mark-symbol-with-prefix
(remove 'er/mark-symbol er/try-expand-list))))))
(er/enable-mode-expansions 'nxml-mode 'er/add-nxml-mode-expansions)
(provide 'nxml-mode-expansions)
;; nxml-mode-expansions.el ends here