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require 'active_support/core_ext/string/output_safety'
class Redcarpet::Render::GitlabHTML < Redcarpet::Render::HTML
attr_reader :template
alias_method :h, :template
def initialize(template, color_scheme, options = {})
@template = template
@color_scheme = color_scheme
@options = options.dup
@options.reverse_merge!(
# Handled further down the line by Gitlab::Markdown::SanitizationFilter
escape_html: false,
project: @template.instance_variable_get("@project")
)
super(options)
end
def normal_text(text)
ERB::Util.html_escape_once(text)
end
# Stolen from Rouge::Plugins::Redcarpet as this module is not required
# from Rouge's gem root.
def block_code(code, language)
lexer = Rouge::Lexer.find_fancy(language, code) || Rouge::Lexers::PlainText
# XXX HACK: Redcarpet strips hard tabs out of code blocks,
# so we assume you're not using leading spaces that aren't tabs,
# and just replace them here.
if lexer.tag == 'make'
code.gsub!(/^ /, "\t")
end
formatter = Rouge::Formatters::HTMLGitlab.new(
cssclass: "code highlight #{@color_scheme} #{lexer.tag}"
)
formatter.format(lexer.lex(code))
end
def postprocess(full_document)
h.gfm(full_document, @options)
end
end
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