Module: Plurimath::UnicodeMath::ParsingRules::ConstantsRules

Includes:
Helper
Included in:
Plurimath::UnicodeMath::Parse
Defined in:
lib/plurimath/unicode_math/parsing_rules/constants_rules.rb

Instance Method Summary collapse

Methods included from Helper

included

Instance Method Details

#arr_to_expression(arr, name = nil) ⇒ Object 



90
91
92
93
94
95
96
97
98
99
100
 
# File 'lib/plurimath/unicode_math/parsing_rules/constants_rules.rb', line 90

def arr_to_expression(arr, name = nil)
  type = arr.first.class
  if arr.length > 1
    arr.reduce do |expression, expr_string|
      expression = str(expression).as(name) if expression.is_a?(type)
      expression | str(expr_string).as(name)
    end
  else
    str(arr.first).as(name)
  end
end

#hash_values(expr_hash, name) ⇒ Object 



112
113
114
115
116
117
118
119
120
121
122
 
# File 'lib/plurimath/unicode_math/parsing_rules/constants_rules.rb', line 112

def hash_values(expr_hash, name)
  if expr_hash.keys.length > 1
    type = expr_hash.first.class
    expr_hash.reduce do |expression, (_, hex_code)|
      expression = str(name).absent?.as(name).as(:unicoded_font_class) >> str(expression.last).as(:symbol) if expression.is_a?(type)
      expression | str(name).absent?.as(name).as(:unicoded_font_class) >> str(hex_code).as(:symbol)
    end
  else
    str(expr_hash.values.last)
  end
end

#unicoded_fonts_to_expression(hash, name = nil) ⇒ Object 



102
103
104
105
106
107
108
109
110
 
# File 'lib/plurimath/unicode_math/parsing_rules/constants_rules.rb', line 102

def unicoded_fonts_to_expression(hash, name = nil)
  type = hash.first.class
  hash.reduce do |expression, expr_hash|
    if expression.is_a?(type)
      expression = hash_values(expression.last, expression.first)
    end
    expression | hash_values(expr_hash.last, expr_hash.first)
  end
end