Class: Foxy::Node

Inherits:
Struct show all
Includes:
Monads
Defined in:
lib/foxy/node.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Monads

#and_then, #dangerously, #many, #mapy, #normally, #optionaly, #safy, #then

Instance Attribute Details

#content ⇒ Object

Returns the value of attribute content

Returns:

  • (Object) —

    the current value of content



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# File 'lib/foxy/node.rb', line 4

def content
  @content
end

#extra ⇒ Object

Returns the value of attribute extra

Returns:

  • (Object) —

    the current value of extra



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# File 'lib/foxy/node.rb', line 4

def extra
  @extra
end

#type ⇒ Object

Returns the value of attribute type

Returns:

  • (Object) —

    the current value of type



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# File 'lib/foxy/node.rb', line 4

def type
  @type
end

Class Method Details

.build(closetag, singletag, tag, notag, comment, other) ⇒ Object 



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# File 'lib/foxy/node.rb', line 63

def self.build(closetag, singletag, tag, notag, comment, other)
  if tag
    tagname = RE_TAG.match(tag)[1]
    id = RE_TAG_ID.match(tag)
    id &&= id[1].gsub(/\A('|")*|('|")*\Z/, "")
    cls = RE_TAG_CLS.match(tag)
    cls = cls && cls[1].gsub(/\A('|")*|('|")*\Z/, "").split || []
    if SINGLES.include? tagname
      Node.new(:singletag, tag, [tagname, id, cls])
    else
      Node.new(:tag, tag, [tagname, id, cls])
    end
  elsif singletag
    tagname = RE_TAG.match(singletag)[1]
    id = RE_TAG_ID.match(singletag)
    id &&= id[1].gsub(/\A('|")*|('|")*\Z/, "")
    cls = RE_TAG_CLS.match(singletag)
    cls = cls && cls[1].gsub(/\A('|")*|('|")*\Z/, "").split || []
    Node.new(:singletag, singletag, [tagname, id, cls])
  elsif closetag
    closetagname = RE_CLOSETAG.match(closetag)[1]
    Node.new(:closetag, closetag, [closetagname])
  elsif notag
    Node.new(:notag, notag, nil)
  elsif comment
    Node.new(:comment, comment, nil)
  elsif other
    Node.new(:notag, other, nil)
  end
end

Instance Method Details

#attr(name) ⇒ Object 



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# File 'lib/foxy/node.rb', line 7

def attr(name)
  value = attr_regex(name).match(content)
  value && value[1].sub(/\A('|")?/, "").sub(/('|")?\Z/, "")
end

#attr_regex(name) ⇒ Object 



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# File 'lib/foxy/node.rb', line 59

def attr_regex(name)
  /#{name}=(("[^"]*")|('[^']*')|[^\s>]+)/mi
end

#clean(translate_table: {}, allow: ALLOW) ⇒ Object 



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# File 'lib/foxy/node.rb', line 40

def clean(translate_table: {}, allow: ALLOW)
  if [:tag, :singletag, :closetag].include? type
    name = extra[0].downcase
    slash1 = tag? ? "" : "/"
    slash2 = (tag? && closetag?) ? "/" : ""
    allow.each do |attr_name|
      attr_value = attr(attr_name)
      slash2 = " #{attr_name}=\"#{attr_value}\"#{slash2}" if attr_value
    end
    name = translate_table.fetch(name, name)
    content = "<#{slash1}#{name}#{slash2}>"

    id = allow.include?("id") ? extra[1] : nil
    cls = allow.include?("class") ? extra[2] : []
    return Node.new(type, content, [name, id, cls])
  end
  self
end

#closetag? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/foxy/node.rb', line 16

def closetag?
  [:closetag, :singletag].include? type
end

#cls! ⇒ Object 



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# File 'lib/foxy/node.rb', line 36

def cls!
  extra[2]
end

#id ⇒ Object 



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# File 'lib/foxy/node.rb', line 24

def id
  tag? && id!
end

#id! ⇒ Object 



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# File 'lib/foxy/node.rb', line 32

def id!
  extra[1]
end

#tag? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/foxy/node.rb', line 12

def tag?
  [:tag, :singletag].include? type
end

#tagname ⇒ Object 



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# File 'lib/foxy/node.rb', line 20

def tagname
  (tag? || closetag?) && tagname!
end

#tagname! ⇒ Object 



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# File 'lib/foxy/node.rb', line 28

def tagname!
  extra[0]
end