Class: Card::Content::Chunk::Nest

Inherits:
Reference
  • Object
show all
Defined in:
mod/core/chunk/nest.rb

Overview

Handler for nest chunks: {example}

Constant Summary collapse

DEFAULT_OPTION =

a value without a key is interpreted as view

:view

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Reference

delete_if_referer_missing, map_referees, mass_insert, recreate_all, #referee, #referer, repair_all, unmap_if_referee_missing, unmap_referees

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'mod/core/chunk/nest.rb', line 10

def options
  @options
end

Instance Method Details

#explicit_view=(view) ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 85

def explicit_view= view
  return if @options[:view]
  # could check to make sure it's not already the default...
  if @text =~ /\|/
    @text.sub! "|", "|#{view};"
  else
    @text.sub! "}}", "|#{view}}}"
  end
end

#inspect ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 67

def inspect
  "<##{self.class}:n[#{@name}] p[#{@process_chunk}] txt:#{@text}>"
end

#interpret(match, _content) ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 17

def interpret match, _content
  in_brackets = strip_tags match[1]
  name, @opt_lists = in_brackets.split "|", 2
  name = name.to_s.strip
  if name =~ /^\#/
    @process_chunk = name =~ /^\#\#/ ? "" : visible_comment(in_brackets)
  else
    @options = interpret_options.merge nest_name: name,
                                       nest_syntax: in_brackets
    @name = name
  end
end

#interpret_options ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 40

def interpret_options
  raw_options = @opt_lists.to_s.split("|").reverse
  raw_options.inject(nil) do |prev_level, level_options|
    interpret_piped_options level_options, prev_level
  end || {}
end

#interpret_piped_options(list_string, items) ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 47

def interpret_piped_options list_string, items
  options_hash = items.nil? ? {} : { items: items }
  option_string_to_hash list_string, options_hash
  options_hash
end

#option_string_to_hash(list_string, options_hash) ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 53

def option_string_to_hash list_string, options_hash
  each_option(list_string) do |key, value|
    key = key.to_sym
    if key == :item
      options_hash[:items] ||= {}
      options_hash[:items][:view] = value
    elsif Card::View::Options.nest_keys.include? key
      options_hash[key] = value
      # else
      # handle other keys
    end
  end
end

#process_chunk ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 71

def process_chunk
  return @process_chunk if @process_chunk

  referee_name
  @processed = yield @options
  # this is not necessarily text, sometimes objects for json
end

#replace_reference(old_name, new_name) ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 79

def replace_reference old_name, new_name
  replace_name_reference old_name, new_name
  nest_body = [@name.to_s, @opt_lists].compact * "|"
  @text = "{{#{nest_body}}}"
end

#strip_tags(string) ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 30

def strip_tags string
  # note: not using ActionView's strip_tags here
  # because this needs to be super fast.
  string.gsub(/\<[^\>]*\>/, "")
end

#visible_comment(message) ⇒ Object 



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# File 'mod/core/chunk/nest.rb', line 36

def visible_comment message
  "<!-- #{CGI.escapeHTML message} -->"
end