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78 lines
2 KiB
EmacsLisp
78 lines
2 KiB
EmacsLisp
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;;; ein-output-area.el --- Output area module
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;; Copyright (C) 2012 Takafumi Arakaki
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;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
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;; This file is NOT part of GNU Emacs.
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;; ein-output-area.el is free software: you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation, either version 3 of the
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;; License, or (at your option) any later version.
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;; ein-output-area.el 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 ein-output-area.el.
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;; If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'ein-core)
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;;; HTML renderer
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(defun ein:output-area-get-html-renderer ()
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;; FIXME: make this configurable
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(cond
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((and (fboundp 'shr-insert-document)
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(fboundp 'libxml-parse-xml-region))
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#'ein:insert-html-shr)
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(t #'ein:insert-read-only)))
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(defcustom ein:shr-env
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'((shr-table-horizontal-line ?-)
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(shr-table-vertical-line ?|)
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(shr-table-corner ?+))
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"Variables let-bound while calling `shr-insert-document'."
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:group 'ein)
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(defun ein:shr-insert-document (dom)
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"`shr-insert-document' with EIN setting."
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(eval `(let ,ein:shr-env (shr-insert-document dom))))
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(defun ein:insert-html-shr (html-string)
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"Render HTML-STRING using `shr-insert-document'.
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Usage::
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(ein:insert-html-shr \"<b>HTML</b> string\")
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"
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(let ((start (point))
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end)
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(ein:shr-insert-document
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(with-temp-buffer
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(erase-buffer)
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(insert html-string)
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(libxml-parse-html-region (point-min) (point-max))))
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(setq end (point))
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(put-text-property start end 'read-only t)
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(put-text-property start end 'front-sticky t)))
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(provide 'ein-output-area)
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;;; ein-output-area.el ends here
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