;;; smartparens-html.el --- Additional configuration for HTML based modes. -*- lexical-binding: t; -*-
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;; Copyright (C) 2013-2014 Matus Goljer
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;; Author: Matus Goljer <matus.goljer@gmail.com>
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;; Maintainer: Matus Goljer <matus.goljer@gmail.com>
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;; Created: 14 Sep 2013
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;; Keywords: abbrev convenience editing
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;; URL: https://github.com/Fuco1/smartparens
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;; This file is not part of GNU Emacs.
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;;; License:
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;; This file is part of Smartparens.
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;; Smartparens is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; Smartparens is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with Smartparens. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file provides some additional configuration for HTML based
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;; modes. To use it, simply add:
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;;
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;; (require 'smartparens-html)
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;;
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;; into your configuration. You can use this in conjunction with the
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;; default config or your own configuration.
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;; This file provides these interactive functions:
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;; `sp-html-next-tag' - Recommended binding: C-c C-f
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;; `sp-html-previous-tag' - Recommended binding: C-c C-b
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;;
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;; (These two bindings are used for navigation by tags forward or
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;; backward, but `sp-forward-sexp' already does that.)
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;; If you have good ideas about what should be added please file an
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;; issue on the github tracker.
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;; For more info, see github readme at
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;; https://github.com/Fuco1/smartparens
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;;; Code:
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(require 'smartparens)
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(defun sp-html-next-tag (arg)
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"Move point to the beginning of next SGML tag.
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With ARG positive N > 1, move N tags forward.
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With ARG raw prefix argument \\[universal-argument] move out of
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the current tag and to the beginning of enclosing tag.
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Note: this function is based on `sp-beginning-of-sexp' but
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specialized to only work with SGML tags and to always move
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forward."
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(interactive "P")
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(let ((sp-prefix-tag-object t))
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(if (sp--raw-argument-p arg)
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(sp-beginning-of-sexp arg)
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(sp-beginning-of-sexp (1+ (prefix-numeric-value arg))))))
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(defun sp-html-previous-tag (arg)
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"Move point to the beginning of previous SGML tag.
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With ARG positive N > 1, move N tags backward.
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With ARG raw prefix argument \\[universal-argument] move out of
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the current tag and to the beginning of enclosing tag.
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Note: this function is based on `sp-beginning-of-sexp' but
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specialized to only work with SGML tags and to always move
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backward."
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(interactive "P")
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(let ((sp-prefix-tag-object t))
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(if (sp--raw-argument-p arg)
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(sp-beginning-of-sexp arg)
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(sp-beginning-of-sexp (1- (- (prefix-numeric-value arg)))))))
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(defun sp-html-post-handler (&optional _id action _context)
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"Post-action hooks for `html-mode'.
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ID is the tag being processed, ACTION is the action and CONTEXT
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specifies if we are inside a string or code."
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(cl-case action
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(slurp-forward
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(save-excursion
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(let ((sp-prefix-pair-object t))
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(sp-backward-sexp))
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(-when-let (enc (sp-get-enclosing-sexp))
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(sp-get enc
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(goto-char :beg-in)
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(when (looking-at-p "[ \t]*$")
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(goto-char :end-in)
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(save-excursion
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(sp-backward-sexp)
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(forward-line -1)
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(when (sp-point-in-blank-line)
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(delete-region (line-beginning-position) (1+ (line-end-position)))))
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(newline-and-indent))))))
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(slurp-backward
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(save-excursion
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(-when-let (enc (sp-get-enclosing-sexp))
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(sp-get enc
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(goto-char :end-in)
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(when (sp--looking-back-p "^[ \t]*")
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(save-excursion
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(goto-char :beg-in)
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(newline-and-indent)
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(sp-forward-sexp)
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(forward-line)
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(when (sp-point-in-blank-line)
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(delete-region (line-beginning-position) (1+ (line-end-position))))))))))
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(barf-forward
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(save-excursion
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(let ((sp-prefix-pair-object t))
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(sp-backward-sexp))
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(-when-let (enc (sp-get-enclosing-sexp))
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(sp-get enc
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(goto-char :beg-in)
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(when (looking-at-p "[ \t]*$")
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(goto-char :end-in)
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(newline-and-indent)))))
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(save-excursion
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(sp-forward-sexp)
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(forward-line)
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(when (sp-point-in-blank-line)
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(delete-region (line-beginning-position) (1+ (line-end-position))))))
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(barf-backward
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(save-excursion
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(-when-let (enc (sp-get-enclosing-sexp))
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(sp-get enc
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(goto-char :end-in)
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(when (sp--looking-back-p "^[ \t]*")
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(goto-char :beg-in)
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(newline-and-indent)
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(sp-backward-up-sexp)
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(sp-backward-sexp)
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(forward-line -1)
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(when (sp-point-in-blank-line)
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(delete-region (line-beginning-position) (1+ (line-end-position)))))))))
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(beginning-of-sexp
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(when (looking-at-p "[ \t]*$")
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(sp-next-sexp)))
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(end-of-sexp
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(when (sp--looking-back-p "^[ \t]*" nil t)
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(sp-previous-sexp)))))
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(sp-with-modes sp--html-modes
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(sp-local-pair "<" ">")
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(sp-local-tag "<" "<_>" "</_>" :transform 'sp-match-sgml-tags :post-handlers '(sp-html-post-handler)))
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(--each sp--html-modes
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(add-to-list 'sp-navigate-consider-sgml-tags it))
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(--each '(web-mode)
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(add-to-list 'sp-sexp-suffix (list it 'regexp "")))
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(provide 'smartparens-html)
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;;; smartparens-html.el ends here
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