Class: HTML2FB::StateMachine

Inherits:
Object
  • Object
show all
Defined in:
lib/Html2Feedbooks/parser.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ StateMachine

Returns a new instance of StateMachine.



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# File 'lib/Html2Feedbooks/parser.rb', line 130

def initialize
  @levels=[]
  @current_level=0
  @starts=[]
  @done=[]
  @max_level=0
  @content=nil
end

Instance Method Details

#add_level(tab) ⇒ Object 



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# File 'lib/Html2Feedbooks/parser.rb', line 139

def add_level(tab)
  tab=[tab] unless tab.is_a?Array
  @levels.push tab
  @current_level+=1
end

#close_section(lvl) ⇒ Object 



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# File 'lib/Html2Feedbooks/parser.rb', line 203

def close_section(lvl)
  return if @starts[lvl].nil?
  llvl=lvl-1
  llvl=llvl-1 until !@starts[llvl].nil?
  @starts[llvl].content.push @starts[lvl]
  @starts[lvl]=nil
end

#create_fbsection(title, fblevel) ⇒ Object 



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# File 'lib/Html2Feedbooks/parser.rb', line 156

def create_fbsection(title,fblevel)
  s=Section.new
  s.fblevel=fblevel
  s.title = title
  s
end

#create_textNode(txt) ⇒ Object 



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# File 'lib/Html2Feedbooks/parser.rb', line 163

def create_textNode(txt)
  Text.new(txt)
end

#feed(el) ⇒ Object 



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# File 'lib/Html2Feedbooks/parser.rb', line 211

def feed(el)
  return if el.text?
  @done=[[]*@levels.size]

  @levels.each_with_index do  |lvl,i|
    lvl.each do |expr|
      #puts i.to_s+" "+el.inspect if el.in_search?(expr['expr'])
      if el.in_search?(expr['expr'])


        open_section({:xpath => el.path, :fblevel => expr['fblevel']},i+1,el)
        break
      end
    end
  end

end

#finish(doc) ⇒ Object 



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# File 'lib/Html2Feedbooks/parser.rb', line 167

def finish(doc)
  unless @content.nil?
    # t=create_textNode(doc.root.search(@content...doc.children.last.xpath))
    t=create_textNode(doc.at(@content).following.to_html)
    @starts[@current_level].content.push(t)
  end
  (1..@max_level).to_a.reverse.each do |l|
    close_section(l)
  end
  @starts[0]
end

#inspect ⇒ Object 



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# File 'lib/Html2Feedbooks/parser.rb', line 152

def inspect
  @levels.inspect+"\n"+@current_level.to_s+"\n\n"+@done.inspect
end

#open_section(obj, lvl, el) ⇒ Object 



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# File 'lib/Html2Feedbooks/parser.rb', line 179

def open_section(obj,lvl,el)
  if @content=='body'
    tmp=el.preceding[0..-1]
  else
    tmp=el.root.between(@content,(el.path),true)[1..-1]
  end
  if tmp.blank? #search can'find between siblins
    tmp=el.root.deep_between(@content,(el.path))
  end
  unless tmp.blank?
    tmph=tmp.to_html
    unless tmph.blank?
      t=create_textNode(tmph)
      @starts[@current_level].content.push(t)
    end
  end
  (lvl..@max_level).to_a.reverse.each do |l|
    close_section(l)
  end
  @starts[lvl]=create_fbsection(el.root.at_xpath(obj[:xpath]).text,obj[:fblevel])
  @content=obj[:xpath]
  @current_level=lvl
end

#reset(doc) ⇒ Object 



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# File 'lib/Html2Feedbooks/parser.rb', line 145

def reset(doc)
  @current_level=0
  @max_level=@levels.size
  @starts[0]=doc
  @content='body'
end