159 lines
6.5 KiB
Ruby
159 lines
6.5 KiB
Ruby
# frozen_string_literal: true
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require 'wikicloth'
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require 'wikicloth/wiki_buffer/var'
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# Adds patch for changes in this PR: https://github.com/nricciar/wikicloth/pull/112/files
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#
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# That fix has already been merged, but the maintainers are not releasing new versions, so we
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# need to patch it here.
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#
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# If they ever do release a version, then we can remove this file.
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#
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# See: https://gitlab.com/gitlab-org/gitlab/-/issues/334056#note_745336618
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# Guard to ensure we remember to delete this patch if they ever release a new version of wikicloth
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raise 'New version of WikiCloth detected, please remove this patch' unless Gem::Version.new(WikiCloth::VERSION) == Gem::Version.new('0.8.1')
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# rubocop:disable Style/ClassAndModuleChildren
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# rubocop:disable Layout/SpaceAroundEqualsInParameterDefault
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# rubocop:disable Style/HashSyntax
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# rubocop:disable Layout/SpaceAfterComma
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# rubocop:disable Style/RescueStandardError
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# rubocop:disable Rails/Output
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# rubocop:disable Style/MethodCallWithoutArgsParentheses
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# rubocop:disable Layout/EmptyLinesAroundClassBody
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# rubocop:disable Metrics/AbcSize
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# rubocop:disable Metrics/CyclomaticComplexity
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# rubocop:disable Metrics/PerceivedComplexity
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# rubocop:disable Cop/LineBreakAroundConditionalBlock
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# rubocop:disable Layout/EmptyLineAfterGuardClause
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# rubocop:disable Performance/ReverseEach
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# rubocop:disable Style/BlockDelimiters
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# rubocop:disable Cop/LineBreakAroundConditionalBlock
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# rubocop:disable Layout/MultilineBlockLayout
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# rubocop:disable Layout/BlockEndNewline
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module WikiCloth
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class WikiCloth
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def render(opt={})
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self.options = { :noedit => false, :locale => I18n.default_locale, :fast => true, :output => :html, :link_handler => self.link_handler,
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:params => self.params, :sections => self.sections }.merge(self.options).merge(opt)
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self.options[:link_handler].params = options[:params]
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I18n.locale = self.options[:locale]
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data = self.sections.collect { |s| s.render(self.options) }.join
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# This is the first patched line from:
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# https://github.com/nricciar/wikicloth/pull/112/files#diff-eed3de11b953105f9181a6859d58f52af8912d28525fd2a289f8be184e66f531R69
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data.gsub!(/<!--.*?-->/m,"")
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data << "\n" if data.last(1) != "\n"
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data << "garbage"
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buffer = WikiBuffer.new("",options)
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begin
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if self.options[:fast]
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until data.empty?
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case data
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when /\A\w+/
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data = $'
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@current_row += $&.length
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buffer.add_word($&)
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when /\A[^\w]+(\w|)/m
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data = $'
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$&.each_char { |c| add_current_char(buffer,c) }
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end
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end
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else
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data.each_char { |c| add_current_char(buffer,c) }
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end
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rescue => err
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debug_tree = buffer.buffers.collect { |b| b.debug }.join("-->")
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puts I18n.t("unknown error on line", :line => @current_line, :row => @current_row, :tree => debug_tree)
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raise err
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end
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buffer.eof()
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buffer.send("to_#{self.options[:output]}")
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end
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end
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class WikiBuffer::Var < WikiBuffer
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def to_html
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return "" if will_not_be_rendered
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if self.is_function?
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if Extension.function_exists?(function_name)
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return Extension.functions[function_name][:klass].new(@options).instance_exec( params.collect { |p| p.strip }, &Extension.functions[function_name][:block] ).to_s
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end
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ret = default_functions(function_name,params.collect { |p| p.strip })
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ret ||= @options[:link_handler].function(function_name, params.collect { |p| p.strip })
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ret.to_s
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elsif self.is_param?
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ret = nil
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@options[:buffer].buffers.reverse.each do |b|
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ret = b.get_param(params[0],params[1]) if b.instance_of?(WikiBuffer::HTMLElement) && b.element_name == "template"
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break unless ret.nil?
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end
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ret.to_s
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else
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# put template at beginning of buffer
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template_stack = @options[:buffer].buffers.collect { |b| b.get_param("__name") if b.instance_of?(WikiBuffer::HTMLElement) &&
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b.element_name == "template" }.compact
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if template_stack.last == params[0]
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debug_tree = @options[:buffer].buffers.collect { |b| b.debug }.join("-->")
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"<span class=\"error\">#{I18n.t('template loop detected', :tree => debug_tree)}</span>"
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else
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key = params[0].to_s.strip
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key_options = params[1..].collect { |p| p.is_a?(Hash) ? { :name => p[:name].strip, :value => p[:value].strip } : p.strip }
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key_options ||= []
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key_digest = Digest::MD5.hexdigest(key_options.to_a.sort {|x,y| (x.is_a?(Hash) ? x[:name] : x) <=> (y.is_a?(Hash) ? y[:name] : y) }.inspect)
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return @options[:params][key] if @options[:params].has_key?(key)
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# if we have a valid cache fragment use it
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return @options[:cache][key][key_digest] unless @options[:cache].nil? || @options[:cache][key].nil? || @options[:cache][key][key_digest].nil?
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ret = @options[:link_handler].include_resource(key,key_options).to_s
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# This is the second patched line from:
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# https://github.com/nricciar/wikicloth/pull/112/files#diff-f262faf4fadb222cca87185be0fb65b3f49659abc840794cc83a736d41310fb1R83
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ret.gsub!(/<!--.*?-->/m,"") unless ret.frozen?
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count = 0
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tag_attr = key_options.collect { |p|
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if p.instance_of?(Hash)
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"#{p[:name]}=\"#{p[:value].gsub(/"/,'"')}\""
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else
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count += 1
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"#{count}=\"#{p.gsub(/"/,'"')}\""
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end
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}.join(" ")
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self.data = ret.blank? ? "" : "<template __name=\"#{key}\" __hash=\"#{key_digest}\" #{tag_attr}>#{ret}</template>"
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""
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end
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end
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end
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end
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end
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# rubocop:enable Style/ClassAndModuleChildren
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# rubocop:enable Layout/SpaceAroundEqualsInParameterDefault
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# rubocop:enable Style/HashSyntax
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# rubocop:enable Layout/SpaceAfterComma
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# rubocop:enable Style/RescueStandardError
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# rubocop:enable Rails/Output
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# rubocop:enable Style/MethodCallWithoutArgsParentheses
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# rubocop:enable Layout/EmptyLinesAroundClassBody
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# rubocop:enable Metrics/AbcSize
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# rubocop:enable Metrics/CyclomaticComplexity
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# rubocop:enable Metrics/PerceivedComplexity
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# rubocop:enable Cop/LineBreakAroundConditionalBlock
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# rubocop:enable Layout/EmptyLineAfterGuardClause
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# rubocop:enable Performance/ReverseEach
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# rubocop:enable Style/BlockDelimiters
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# rubocop:enable Cop/LineBreakAroundConditionalBlock
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# rubocop:enable Layout/MultilineBlockLayout
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# rubocop:enable Layout/BlockEndNewline
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