Class: Wiki::Api::PageHeadline

Inherits:
Object
  • Object
show all
Defined in:
lib/wiki/api/page_headline.rb

Overview

Headline for a page (class=“mw-healine”)

Constant Summary collapse

LEVEL = 
["text", "h1", "h2", "h3", "h4", "h5", "h6"]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ PageHeadline

Returns a new instance of PageHeadline.


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# File 'lib/wiki/api/page_headline.rb', line 13

def initialize options={}
  self.name = options[:name] if options.include? :name
  self.parent = options[:parent] if options.include? :parent
  self.level = options[:level] if options.include? :level
  options[:headlines] ||= []
  self.headlines ||= {}

  # store elements in a block
  self.block = PageBlock.new parent: self
  if options[:headlines].include? self.name
    options[:headlines][self.name].each do |element|
      self.block << element
    end
  end

  # collect nested headlines
  headlines = options[:headlines]
  # remove self from list
  headlines.delete self.name
  nested_headlines = self.nested_headlines headlines, self.name, self.level

  # iterate nested headlines, and call recursive
  nested_headlines.each do |headline_name, value|
    level = LEVEL.index value.first.first.previous.name
    self.headlines[headline_name] = (PageHeadline.new parent: self, name: headline_name, headlines: headlines, level: level)
  end
end

Instance Attribute Details

#block ⇒ Object

Returns the value of attribute block.


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# File 'lib/wiki/api/page_headline.rb', line 11

def block
  @block
end

#headlines ⇒ Object

Returns the value of attribute headlines.


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# File 'lib/wiki/api/page_headline.rb', line 11

def headlines
  @headlines
end

#level ⇒ Object

Returns the value of attribute level.


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# File 'lib/wiki/api/page_headline.rb', line 11

def level
  @level
end

#name ⇒ Object

Returns the value of attribute name.


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# File 'lib/wiki/api/page_headline.rb', line 11

def name
  @name
end

#parent ⇒ Object

Returns the value of attribute parent.


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# File 'lib/wiki/api/page_headline.rb', line 11

def parent
  @parent
end

Instance Method Details

#elements ⇒ Object 


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# File 'lib/wiki/api/page_headline.rb', line 41

def elements
  self.block.elements
end

#has_headline?(name) ⇒ Boolean

headline exists for current headline

Returns:

  • (Boolean) 

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# File 'lib/wiki/api/page_headline.rb', line 73

def has_headline? name
  name = name.downcase.gsub(" ", "_")
  self.headlines.each do |k,v|
    return true if k.downcase.start_with?(name)
  end
  false
end

#headline(name) ⇒ Object

get headline by name


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# File 'lib/wiki/api/page_headline.rb', line 50

def headline name
  name = name.downcase.gsub(" ", "_")
  self.headlines.reject do |k,v| 
    !k.downcase.start_with?(name)
  end.values()
end

#to_hash ⇒ Object 


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# File 'lib/wiki/api/page_headline.rb', line 81

def to_hash
  ret = {name: self.name, headlines: [], type: self.type}
  self.headlines.each do |headline_name, headline|
    ret[:headlines] << headline.to_hash
  end
  ret
end

#to_pretty_json ⇒ Object 


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# File 'lib/wiki/api/page_headline.rb', line 89

def to_pretty_json
  JSON.pretty_generate self.to_hash
end

#type ⇒ Object 


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# File 'lib/wiki/api/page_headline.rb', line 45

def type
  self.block.elements.first.first.previous.name
end