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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
@project = @template.instance_variable_get("@project")
@options = options.dup
super options
end
def preprocess(full_document)
# Redcarpet doesn't allow SMB links when `safe_links_only` is enabled.
# FTP links are allowed, so we trick Redcarpet.
full_document.gsub("smb://", "ftp://smb:")
end
# If project has issue number 39, apostrophe will be linked in
# regular text to the issue as Redcarpet will convert apostrophe to
# #39;
# We replace apostrophe with right single quote before Redcarpet
# does the processing and put the apostrophe back in postprocessing.
# This only influences regular text, code blocks are untouched.
def normal_text(text)
return text unless text.present?
text.gsub("'", "’")
end
# Stolen from Rugments::Plugins::Redcarpet as this module is not required
# from Rugments's gem root.
def block_code(code, language)
lexer = Rugments::Lexer.find_fancy(language, code) || Rugments::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 = Rugments::Formatters::HTML.new(
cssclass: "code highlight #{@color_scheme} #{lexer.tag}"
)
formatter.format(lexer.lex(code))
end
def link(link, title, content)
h.link_to_gfm(content, link, title: title)
end
def header(text, level)
if @options[:no_header_anchors]
"<h#{level}>#{text}</h#{level}>"
else
id = ActionController::Base.helpers.strip_tags(h.gfm(text)).downcase() \
.gsub(/[^a-z0-9_-]/, '-').gsub(/-+/, '-').gsub(/^-/, '').gsub(/-$/, '')
"<h#{level} id=\"#{id}\">#{text}<a href=\"\##{id}\"></a></h#{level}>"
end
end
def postprocess(full_document)
full_document.gsub!("ftp://smb:", "smb://")
full_document.gsub!("’", "'")
unless @template.instance_variable_get("@project_wiki") || @project.nil?
full_document = h.create_relative_links(full_document)
end
h.gfm_with_options(full_document, @options)
end
end
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