Class: SaxStream::Internal::HandlerStack

Inherits:
Object
  • Object
show all
Defined in:
lib/sax_stream/internal/handler_stack.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ HandlerStack

Returns a new instance of HandlerStack.



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# File 'lib/sax_stream/internal/handler_stack.rb', line 4

def initialize()
  @handlers = []
end

Instance Method Details

#pop(handler = nil) ⇒ Object

Raises:



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# File 'lib/sax_stream/internal/handler_stack.rb', line 20

def pop(handler = nil)
  raise ProgramError, "can't pop the last handler" if @handlers.length <= 1
  raise ProgramError, "popping handler that isn't the top" if handler && handler != @handlers.last
  @handlers.pop
end

#push(handler) ⇒ Object 



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# File 'lib/sax_stream/internal/handler_stack.rb', line 16

def push(handler)
  @handlers.push(handler)
end

#root=(value) ⇒ Object 



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# File 'lib/sax_stream/internal/handler_stack.rb', line 8

def root=(value)
  @handlers = [value]
end

#top ⇒ Object 



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# File 'lib/sax_stream/internal/handler_stack.rb', line 12

def top
  @handlers.last
end