Module: Redmine::WikiFormatting

Defined in:
lib/redmine/wiki_formatting.rb,
lib/redmine/wiki_formatting/textile/helper.rb,
lib/redmine/wiki_formatting/textile/formatter.rb,
lib/redmine/wiki_formatting/textile/html_parser.rb,
lib/redmine/wiki_formatting/markdown/helper.rb,
lib/redmine/wiki_formatting/markdown/formatter.rb,
lib/redmine/wiki_formatting/markdown/html_parser.rb,
lib/redmine/wiki_formatting/macros.rb,
lib/redmine/wiki_formatting/html_parser.rb

Defined Under Namespace

Modules: LinksHelper, Macros, Markdown, NullFormatter, Textile Classes: HtmlParser, StaleSectionError

Constant Summary

@@formatters = 
{}

Class Method Summary collapse

Class Method Details

.cache_key_for(format, text, object, attribute) ⇒ Object

Returns a cache key for the given text format, text, object and attribute or nil if no caching should be done



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# File 'lib/redmine/wiki_formatting.rb', line 100

def cache_key_for(format, text, object, attribute)
  if object && attribute && !object.new_record? && format.present?
    "formatted_text/#{format}/#{object.class.model_name.cache_key}/#{object.id}-#{attribute}-#{Digest::MD5.hexdigest text}"
  end
end

.cache_store ⇒ Object

Returns the cache store used to cache HTML output



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# File 'lib/redmine/wiki_formatting.rb', line 107

def cache_store
  ActionController::Base.cache_store
end

.format_names ⇒ Object 



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# File 'lib/redmine/wiki_formatting.rb', line 73

def format_names
  @@formatters.keys.map
end

.formats_for_select ⇒ Object 



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# File 'lib/redmine/wiki_formatting.rb', line 77

def formats_for_select
  @@formatters.map {|name, options| [options[:label], name]}
end

.formatter ⇒ Object 



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# File 'lib/redmine/wiki_formatting.rb', line 50

def formatter
  formatter_for(Setting.text_formatting)
end

.formatter_for(name) ⇒ Object 



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# File 'lib/redmine/wiki_formatting.rb', line 58

def formatter_for(name)
  entry = @@formatters[name.to_s]
  (entry && entry[:formatter]) || Redmine::WikiFormatting::NullFormatter::Formatter
end

.helper_for(name) ⇒ Object 



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# File 'lib/redmine/wiki_formatting.rb', line 63

def helper_for(name)
  entry = @@formatters[name.to_s]
  (entry && entry[:helper]) || Redmine::WikiFormatting::NullFormatter::Helper
end

.html_parser ⇒ Object 



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# File 'lib/redmine/wiki_formatting.rb', line 54

def html_parser
  html_parser_for(Setting.text_formatting)
end

.html_parser_for(name) ⇒ Object 



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# File 'lib/redmine/wiki_formatting.rb', line 68

def html_parser_for(name)
  entry = @@formatters[name.to_s]
  (entry && entry[:html_parser]) || Redmine::WikiFormatting::HtmlParser
end

.map {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/redmine/wiki_formatting.rb', line 27

def map
  yield self
end

.register(name, *args) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/redmine/wiki_formatting.rb', line 31

def register(name, *args)
  options = args.last.is_a?(Hash) ? args.pop : {}
  name = name.to_s
  raise ArgumentError, "format name '#{name}' is already taken" if @@formatters[name]

  formatter, helper, parser = args.any? ?
    args :
    %w(Formatter Helper HtmlParser).map {|m| "Redmine::WikiFormatting::#{name.classify}::#{m}".constantize rescue nil}

  raise "A formatter class is required" if formatter.nil? 

  @@formatters[name] = {
    :formatter => formatter,
    :helper => helper,
    :html_parser => parser,
    :label => options[:label] || name.humanize
  }
end

.supports_section_edit? ⇒ Boolean

Returns true if the text formatter supports single section edit

Returns:

  • (Boolean) 


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# File 'lib/redmine/wiki_formatting.rb', line 95

def supports_section_edit?
  (formatter.instance_methods & ['update_section', :update_section]).any?
end

.to_html(format, text, options = {}) ⇒ Object 



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# File 'lib/redmine/wiki_formatting.rb', line 81

def to_html(format, text, options = {})
  text = if Setting.cache_formatted_text? && text.size > 2.kilobyte && cache_store && cache_key = cache_key_for(format, text, options[:object], options[:attribute])
    # Text retrieved from the cache store may be frozen
    # We need to dup it so we can do in-place substitutions with gsub!
    cache_store.fetch cache_key do
      formatter_for(format).new(text).to_html
    end.dup
  else
    formatter_for(format).new(text).to_html
  end
  text
end