debian-mirror-gitlab/lib/gitlab/markup_helper.rb

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# frozen_string_literal: true
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module Gitlab
module MarkupHelper
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extend self
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MARKDOWN_EXTENSIONS = %w[mdown mkd mkdn md markdown rmd].freeze
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ASCIIDOC_EXTENSIONS = %w[adoc ad asciidoc].freeze
OTHER_EXTENSIONS = %w[textile rdoc org creole wiki mediawiki rst].freeze
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EXTENSIONS = MARKDOWN_EXTENSIONS + ASCIIDOC_EXTENSIONS + OTHER_EXTENSIONS
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PLAIN_FILENAMES = %w[readme index].freeze
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# Public: Determines if a given filename is compatible with GitHub::Markup.
#
# filename - Filename string to check
#
# Returns boolean
def markup?(filename)
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EXTENSIONS.include?(extension(filename))
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end
# Public: Determines if a given filename is compatible with
# GitLab-flavored Markdown.
#
# filename - Filename string to check
#
# Returns boolean
def gitlab_markdown?(filename)
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MARKDOWN_EXTENSIONS.include?(extension(filename))
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end
# Public: Determines if the given filename has AsciiDoc extension.
#
# filename - Filename string to check
#
# Returns boolean
def asciidoc?(filename)
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ASCIIDOC_EXTENSIONS.include?(extension(filename))
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end
# Public: Determines if the given filename is plain text.
#
# filename - Filename string to check
#
# Returns boolean
def plain?(filename)
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extension(filename) == 'txt' || plain_filename?(filename)
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end
def previewable?(filename)
markup?(filename)
end
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private
def extension(filename)
File.extname(filename).downcase.delete('.')
end
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def plain_filename?(filename)
PLAIN_FILENAMES.include?(filename.downcase)
end
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end
end