Class: Plurimath::Math::Symbol

Inherits:
Core
  • Object
show all
Defined in:
lib/plurimath/math/symbol.rb

Direct Known Subclasses

Unicode

Constant Summary

Constants inherited from Core

Core::REPLACABLES

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Core

#ascii_fields_to_print, #class_name, #cloned_objects, #common_math_zone_conversion, #dump_mathml, #dump_nodes, #dump_omml, #dump_ox_nodes, #empty_tag, #extract_class_name_from_text, #extractable?, #filtered_values, #get, #gsub_spacing, #invert_unicode_symbols, #is_binary_function?, #is_nary_function?, #is_ternary_function?, #is_unary?, #latex_fields_to_print, #line_breaking, #mathml_fields_to_print, #omml_fields_to_print, #omml_parameter, #ox_element, #r_element, #replacable_values, #result, #set, #unicodemath_parens, #updated_object_values, #validate_mathml_fields, #variable_value, #variables

Constructor Details

#initialize(sym = nil, slashed = nil, mini_sub_sized: false, mini_sup_sized: false, options: {}) ⇒ Symbol

Returns a new instance of Symbol.



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# File 'lib/plurimath/math/symbol.rb', line 8

def initialize(sym = nil,
               slashed = nil,
               mini_sub_sized: false,
               mini_sup_sized: false,
               options: {})
  @value = sym.is_a?(Parslet::Slice) ? sym.to_s : sym
  @slashed = slashed if slashed
  @mini_sub_sized = mini_sub_sized if mini_sub_sized
  @mini_sup_sized = mini_sup_sized if mini_sup_sized
  @options = options unless options.empty?
end

Instance Attribute Details

#mini_sub_sized ⇒ Object

Returns the value of attribute mini_sub_sized.



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# File 'lib/plurimath/math/symbol.rb', line 6

def mini_sub_sized
  @mini_sub_sized
end

#mini_sup_sized ⇒ Object

Returns the value of attribute mini_sup_sized.



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# File 'lib/plurimath/math/symbol.rb', line 6

def mini_sup_sized
  @mini_sup_sized
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/plurimath/math/symbol.rb', line 6

def options
  @options
end

#slashed ⇒ Object

Returns the value of attribute slashed.



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# File 'lib/plurimath/math/symbol.rb', line 6

def slashed
  @slashed
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/plurimath/math/symbol.rb', line 6

def value
  @value
end

Instance Method Details

#==(object) ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 20

def ==(object)
  object.respond_to?(:value) &&
    object.value == value &&
    object.slashed == slashed &&
    object.mini_sub_sized == mini_sub_sized &&
    object.mini_sup_sized == mini_sup_sized &&
    object.options == options
end

#font_style_t_tag(_) ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 100

def font_style_t_tag(_)
  t_tag
end

#insert_t_tag(_) ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 84

def insert_t_tag(_)
  [(Utility.ox_element("r", namespace: "m") << t_tag)]
end

#is_nary_symbol? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/plurimath/math/symbol.rb', line 128

def is_nary_symbol?
  %w[
    &#x222c;
    &#x222d;
    &#x222f;
    &#x2230;
    &#x2232;
    &#x2233;
    &#x2231;
    &#x2229;
    &#x222a;
    &#x2210;
  ].include?(value)
end

#linebreak ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 124

def linebreak
  value == "\\\\"
end

#mini_sized? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/plurimath/math/symbol.rb', line 143

def mini_sized?
  mini_sub_sized || mini_sup_sized
end

#nary_attr_value ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 104

def nary_attr_value
  value
end

#omml_nodes(_) ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 112

def omml_nodes(_)
  Array(t_tag)
end

#omml_tag_name ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 92

def omml_tag_name
  if ["&#x22c0;", "&#x22c1;", "&#x22c2;", "&#x22c3;", "&#x22c3;", "&#x2211;", "&#x220f;"].include?(value)
    return "undOvr"
  end

  "subSup"
end

#separate_table ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 120

def separate_table
  ["&", "\\\\"].include?(value)
end

#t_tag ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 116

def t_tag
  Utility.ox_element("t", namespace: "m") << value
end

#tag_name ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 88

def tag_name
  ["&#x22c0;", "&#x22c1;", "&#x22c2;", "&#x22c3;"].include?(value) ? "underover" : "subsup"
end

#to_asciimath ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 29

def to_asciimath
  return "" if value.nil?

  symbol = Asciimath::Constants::SYMBOLS.invert[value.strip.to_sym]
  unicodes = Latex::Constants::UNICODE_SYMBOLS.invert
  if value.match?(/&#x[0-9\w]+;/) && symbol.nil? && unicodes[value]
    return unicodes[value].to_s
  end

  symbol ? symbol.to_s : value
end

#to_html ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 68

def to_html
  value
end

#to_latex ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 53

def to_latex
  returned = specific_values
  return returned if returned

  special_char = %w[&#x26; &#x23;]
  symbols = Latex::Constants::UNICODE_SYMBOLS.invert

  symbol = symbols[value]
  if Latex::Constants::SYMBOLS[symbol] == :operant
    special_char.include?(value) ? "\\#{symbol}" : symbol
  else
    symbols.key?(value) ? "\\#{symbol}" : value
  end
end

#to_mathml_without_math_tag ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 41

def to_mathml_without_math_tag
  mi_tag = Utility.ox_element("mi")
  return mi_tag if ["{:", ":}"].include?(value)

  unicode = Mathml::Constants::UNICODE_SYMBOLS.invert[value]
  if operator?(unicode) || unicode || explicit_checks(unicode)
    return Utility.ox_element("mo") << (unicode || value).to_s
  end

  mi_tag << value
end

#to_omml_without_math_tag(_, _) ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 72

def to_omml_without_math_tag(_, _)
  value
end

#to_unicodemath ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 76

def to_unicodemath
  return "\\#{value}" if slashed || special_chars
  return mini_sub if mini_sub_sized
  return mini_sup if mini_sup_sized

  value
end

#validate_function_formula ⇒ Object 



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# File 'lib/plurimath/math/symbol.rb', line 108

def validate_function_formula
  false
end