canvas-lms/lib/latex.rb

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# frozen_string_literal: true
#
# Copyright (C) 2016 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas 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 Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
enable use of MathMan for latex => mathml conversion fixes CNVS-59514 Also adds a MathMan module that wraps some convenience methods for 1- figuring out if it's ok to use mathman; 2- constructing urls for hitting mathman's endpoints. test plan: *With Ritex* - Add an assignment (or some type of content with a description editable via tinymce / rcs). - Update the description to include a latex equation using the equation editor. - Upon saving the assignment, observe that an image of the equation is visible. - Using the browser's elemnt / DOM inspector, select the equation image, and observe that there is a hidden span that contain a math ml representation. *With Mathman* - Navigate to an account's plugin page, and select the MathMan plugin. - On the edit screen, enable the plugin, and provide a working mathman base url and check the 'Use for mml' checkbox. Save the changes. - Add an assignment (or some type of content with a description editable via tinymce / rcs). - Update the description to include a latex equation using the equation editor. - Upon saving the assignment, observe that an image of the equation is visible. - Using the browser's elemnt / DOM inspector, select the equation image, and observe that there is a hidden span that contain a math ml representation. Change-Id: I194d155b339123f7ed1948cf29070c1d17fc7f17 Reviewed-on: https://gerrit.instructure.com/84031 Tested-by: Jenkins Reviewed-by: Simon Williams <simon@instructure.com> QA-Review: Benjamin Christian Nelson <bcnelson@instructure.com> Product-Review: John Corrigan <jcorrigan@instructure.com>
2016-08-02 03:28:43 +08:00
module Latex
def self.to_math_ml(latex:)
return "" unless latex.present?
enable use of MathMan for latex => mathml conversion fixes CNVS-59514 Also adds a MathMan module that wraps some convenience methods for 1- figuring out if it's ok to use mathman; 2- constructing urls for hitting mathman's endpoints. test plan: *With Ritex* - Add an assignment (or some type of content with a description editable via tinymce / rcs). - Update the description to include a latex equation using the equation editor. - Upon saving the assignment, observe that an image of the equation is visible. - Using the browser's elemnt / DOM inspector, select the equation image, and observe that there is a hidden span that contain a math ml representation. *With Mathman* - Navigate to an account's plugin page, and select the MathMan plugin. - On the edit screen, enable the plugin, and provide a working mathman base url and check the 'Use for mml' checkbox. Save the changes. - Add an assignment (or some type of content with a description editable via tinymce / rcs). - Update the description to include a latex equation using the equation editor. - Upon saving the assignment, observe that an image of the equation is visible. - Using the browser's elemnt / DOM inspector, select the equation image, and observe that there is a hidden span that contain a math ml representation. Change-Id: I194d155b339123f7ed1948cf29070c1d17fc7f17 Reviewed-on: https://gerrit.instructure.com/84031 Tested-by: Jenkins Reviewed-by: Simon Williams <simon@instructure.com> QA-Review: Benjamin Christian Nelson <bcnelson@instructure.com> Product-Review: John Corrigan <jcorrigan@instructure.com>
2016-08-02 03:28:43 +08:00
Latex::MathMl.new(latex: latex).parse
end
end