Class: Card::Content::Chunk::Link

Inherits:
Reference show all
Defined in:
mod/core/chunk/link.rb

Constant Summary collapse

CODE =

L for "Link"

"L".freeze

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

#link_text ⇒ Object (readonly)

Returns the value of attribute link_text.



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# File 'mod/core/chunk/link.rb', line 8

def link_text
  @link_text
end

Instance Method Details

#divider_index(string) ⇒ Object 



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

def divider_index string
  # there's probably a better way to do the following.
  # point is to find the first pipe that's not inside an nest
  return unless string.index "|"
  string_copy = string.dup
  string.scan(/\{\{[^\}]*\}\}/) do |incl|
    string_copy.gsub! incl, ("x" * incl.length)
  end
  string_copy.index "|"
end

#inspect ⇒ Object 



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# File 'mod/core/chunk/link.rb', line 77

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

#interpret(match, _content) ⇒ Object 



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# File 'mod/core/chunk/link.rb', line 18

def interpret match, _content
  target, @link_text =
    if (raw_syntax = match[1])
      if (i = divider_index(raw_syntax))  # [[A | B]]
        [raw_syntax[0..(i - 1)], raw_syntax[(i + 1)..-1]]
      else                                # [[ A ]]
        [raw_syntax, nil]
      end
    end

  @link_text = objectify @link_text
  if target =~ %r{/|mailto:}
    @explicit_link = objectify target
  else
    @name = target
  end
end

#objectify(raw) ⇒ Object 



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# File 'mod/core/chunk/link.rb', line 52

def objectify raw
  return unless raw
  raw.strip!
  if raw =~ /(^|[^\\])\{\{/
    Card::Content.new raw, format
  else
    raw
  end
end

#options ⇒ Object

view options



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# File 'mod/core/chunk/link.rb', line 48

def options
  link_text ? { title: link_text } : {}
end

#process_chunk ⇒ Object 



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# File 'mod/core/chunk/link.rb', line 73

def process_chunk
  @process_chunk ||= render_link
end

#reference_code ⇒ Object 



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# File 'mod/core/chunk/link.rb', line 14

def reference_code
  CODE
end

#render_link ⇒ Object 



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# File 'mod/core/chunk/link.rb', line 62

def render_link
  @link_text = render_obj @link_text

  if @explicit_link
    @explicit_link = render_obj @explicit_link
    format.link_to_resource @explicit_link, @link_text
  elsif @name
    format.nest referee_name, options.merge(view: :link)
  end
end

#replace_reference(old_name, new_name) ⇒ Object 



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# File 'mod/core/chunk/link.rb', line 82

def replace_reference old_name, new_name
  replace_name_reference old_name, new_name

  if @link_text.is_a?(Card::Content)
    @link_text.find_chunks(Card::Content::Chunk::Reference).each do |chunk|
      chunk.replace_reference old_name, new_name
    end
  elsif old_name.to_name == @link_text
    @link_text = new_name
  end

  @text = if @link_text.nil?
            "[[#{referee_name}]]"
          else
            "[[#{referee_name}|#{@link_text}]]"
          end
end