Class: ChemScanner::ChemDraw::Text

Inherits:
BaseNode
  • Object
show all
Defined in:
lib/chem_scanner/chem_draw/node/text.rb

Overview

Text parser

Constant Summary collapse

GREEK_CHARS = 
{
  "A" => "Α",
  "a" => "α",
  "B" => "Β",
  "b" => "β",
  "G" => "Γ",
  "g" => "γ",
  "D" => "Δ",
  "d" => "δ",
  "E" => "Ε",
  "e" => "ε",
  "Z" => "Ζ",
  "z" => "ζ",
  "H" => "Η",
  "h" => "η",
  "Q" => "Θ",
  "q" => "θ",
  "I" => "Ι",
  "i" => "ι",
  "K" => "Κ",
  "k" => "κ",
  "L" => "Λ",
  "l" => "λ",
  "M" => "Μ",
  "m" => "μ",
  "N" => "Ν",
  "n" => "ν",
  "C" => "Ξ",
  "c" => "ξ",
  "O" => "Ο",
  "o" => "ο",
  "P" => "Π",
  "p" => "π",
  "R" => "Ρ",
  "r" => "ρ",
  "S" => "Σ",
  "s" => "σ",
  "T" => "Τ",
  "t" => "τ",
  "U" => "Υ",
  "u" => "υ",
  "F" => "Φ",
  "f" => "φ",
  "X" => "Χ",
  "x" => "χ",
  "Y" => "Ψ",
  "y" => "ψ",
  "W" => "Ω",
  "w" => "ω",
}.freeze
BOLD_VAL = 
0x01
FONT_KEY = 
"face"
COLOR_KEY = 
"color"

Constants included from BaseValue

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

Instance Attribute Summary collapse

Attributes inherited from BaseNode

#id, #parser, #parser_type

Instance Method Summary collapse

Methods inherited from BaseNode

#assign_center, #bounding_box, #cdx_read, #cdxml_read, #center_x, #center_y, #get_tempid, #read, #set_cdx, #set_cdxml

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, is_alias = false) ⇒ Text

Returns a new instance of Text.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 66

def initialize(parser, parser_type, id, is_alias = false)
  super(parser, parser_type, id)

  @warning = false
  @is_alias = is_alias

  @bold_text = ""
  @value = ""
end

Instance Attribute Details

#bold_text ⇒ Object

Returns the value of attribute bold_text.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def bold_text
  @bold_text
end

#center ⇒ Object

Returns the value of attribute center.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def center
  @center
end

#non_bold_text ⇒ Object

Returns the value of attribute non_bold_text.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def non_bold_text
  @non_bold_text
end

#polygon ⇒ Object

Returns the value of attribute polygon.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def polygon
  @polygon
end

#styled_text ⇒ Object

Returns the value of attribute styled_text.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def styled_text
  @styled_text
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def value
  @value
end

#warning ⇒ Object

Returns the value of attribute warning.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def warning
  @warning
end

#warning_data ⇒ Object

Returns the value of attribute warning_data.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def warning_data
  @warning_data
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 8

def y
  @y
end

Instance Method Details

#bolded_styles ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 115

def bolded_styles
  @styled_text.select { |s| s[:bold] }
end

#markdown ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 108

def markdown
  @styled_text.reduce("") do |md, style|
    md += style[:bold] ? "**#{style[:text]}**" : style[:text]
    md
  end
end

#parse_node(tag, _id, data) ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 76

def parse_node(tag, _id, data)
  # NOTE: CDXML text does not have tag
  # "Text" below only happens for CDX
  case @props_ref[tag]
  when "Text" then @styled_text = cdx_text(data)
  when "2DPosition" then @x, @y = read_value(tag, data)
  when "BoundingBox" then @polygon = read_value(tag, data)
  when "ChemicalWarning"
    @warning = true
    @warning_data = data
  else do_unhandled(tag)
  end
end

#post_parse_node ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 96

def post_parse_node
  process_style
  retrieve_bold_text

  @center = Geometry::Point.new(@x, @y)
end

#pre_parse_node ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 90

def pre_parse_node
  return if @parser_type == "cdx"

  @styled_text = cdxml_text(@parser.reader)
end

#remove_bold ⇒ Object 



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# File 'lib/chem_scanner/chem_draw/node/text.rb', line 103

def remove_bold
  @styled_text.delete_if { |s| (s[:face] & 1) == 1 }
  process_style
end