Class: ChemScanner::ChemDraw::BaseNode

Inherits:
Object
  • Object
show all
Includes:
BaseValue
Defined in:
lib/chem_scanner/chem_draw/node/base_node.rb

Overview

ChemDraw basic Node

Constant Summary

Constants included from BaseValue

ChemScanner::ChemDraw::BaseValue::ARROW_NOGO_CROSS, ChemScanner::ChemDraw::BaseValue::CDXML_ARROW_TYPE, ChemScanner::ChemDraw::BaseValue::CDXML_ATOM_EXTERNAL_CONNECTION_TYPE, ChemScanner::ChemDraw::BaseValue::CDXML_CDX_POINT, ChemScanner::ChemDraw::BaseValue::CDXML_GRAPHIC_TYPE, ChemScanner::ChemDraw::BaseValue::CDXML_LINE_TYPE, ChemScanner::ChemDraw::BaseValue::CDXML_NODE_TYPE, ChemScanner::ChemDraw::BaseValue::CDXML_ORBITAL_TYPE, ChemScanner::ChemDraw::BaseValue::CDXML_OVAL_TYPE, ChemScanner::ChemDraw::BaseValue::TEXT_ATTRIBUTES

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from BaseValue

#binary_chunks, #cdx_styles, #cdx_text, #cdxml_text, #do_unhandled, #point_2d, #point_3d, #polygon_from_bb, #read_bounding_box, #read_ids, #read_int, #read_type, #read_value

Constructor Details

#initialize(parser, parser_type, id) ⇒ BaseNode

Returns a new instance of BaseNode.



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 12

def initialize(parser, parser_type, id)
  @parser = parser
  @parser_type = parser_type

  check_id = id.nil? || id.zero?
  @id = check_id ? @parser.get_tempid : id

  case parser_type
  when "cdx" then set_cdx
  when "cdxml" then set_cdxml
  end
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 10

def id
  @id
end

#parser ⇒ Object (readonly)

Returns the value of attribute parser.



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 10

def parser
  @parser
end

#parser_type ⇒ Object (readonly)

Returns the value of attribute parser_type.



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 10

def parser_type
  @parser_type
end

#polygon ⇒ Object (readonly)

Returns the value of attribute polygon.



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 10

def polygon
  @polygon
end

Instance Method Details

#assign_center ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 92

def assign_center
  return if @polygon.nil?
  return unless @center.nil?

  box = bounding_box
  lb = box.leftbottom
  rt = box.righttop

  @center = Geometry::Point.new(
    (lb.x + rt.x) / 2,
    (lb.y + rt.y) / 2,
  )
end

#bounding_box ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 88

def bounding_box
  @polygon.bounding_box
end

#cdx_read ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 41

def cdx_read
  pre_parse_node

  reader = @parser.reader
  tag = reader.read_next

  while tag.positive?
    cid = reader.current_id
    parse_node(tag, cid, reader.data)

    tag = reader.read_next(false)
  end

  post_parse_node
end

#cdxml_read ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 57

def cdxml_read
  pre_parse_node

  nid = @parser.reader.attr("id").to_i
  nid = nil if nid.zero?

  @parser.reader.attributes.each_value do |attr|
    parse_node(attr.name, nid, attr)
  end
  # end

  children = @parser.reader.element_children
  children.each do |child|
    @parser.reader = child
    nid = @parser.reader.attr("id").to_i
    nid = nid.to_i unless nid.nil?

    parse_node(child.name, nid, child)
  end

  post_parse_node
end

#center_x ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 106

def center_x
  return nil if @center.nil?

  center.x
end

#center_y ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 112

def center_y
  return nil if @center.nil?

  center.y
end

#get_tempid ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 118

def get_tempid
  parser.get_tempid
end

#parse_node ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 82

def parse_node
  raise NotImplementedError, "You must implement the parse method"
end

#post_parse_node ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 86

def post_parse_node; end

#pre_parse_node ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 80

def pre_parse_node; end

#read ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 35

def read
  return cdx_read if @parser_type == "cdx"

  cdxml_read
end

#set_cdx ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 25

def set_cdx
  @obj_ref = ChemDraw::CDX_OBJ
  @props_ref = ChemDraw::CDX_PROPS
end

#set_cdxml ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/base_node.rb', line 30

def set_cdxml
  @obj_ref = ChemDraw::CDXML_OBJ
  @props_ref = ChemDraw::CDXML_PROPS
end