Class: Plurimath::Asciimath::Constants

Inherits:
Object
  • Object
show all
Defined in:
lib/plurimath/asciimath/constants.rb

Constant Summary collapse

TABLE_PARENTHESIS = 
{
  "ᑕ": "ᑐ",
  "ℒ": "ℛ",
  "[": "]",
  "(": ")",
}.freeze
PARENTHESIS = 
{
  "ᑕ": "ᑐ",
  "ℒ": "ℛ",
  "(": ")",
  "{": "}",
  "[": "]",
}.freeze
UNARY_CLASSES = 
%w[
  underbrace
  overbrace
  underline
  arccos
  arcsin
  arctan
  ubrace
  obrace
  cancel
  tilde
  floor
  ceil
  ddot
  coth
  csch
  sech
  sinh
  tanh
  cosh
  sqrt
  norm
  text
  sec
  sin
  tan
  cos
  exp
  gcd
  glb
  lcm
  lub
  cot
  csc
  det
  dim
  max
  min
  abs
  bar
  dot
  hat
  vec
  ul
  ln
].freeze
FONT_STYLES = 
%w[
  mathfrak
  mathcal
  mathbb
  mathsf
  mathtt
  mathbf
  bbb
  bb
  rm
  fr
  cc
  sf
  tt
  ii
].freeze
SUB_SUP_CLASSES = 
%w[lim log].freeze
TERNARY_CLASSES = 
%w[prod oint sum int].freeze
SPECIAL_BOLD_ALPHABETS = 
%w[ZZ RR QQ NN CC].freeze
BINARY_CLASSES = 
%w[underset stackrel overset frac root].freeze
SKIP_INPUT_PARENS = 
["[", "]", "{", "}", "(", ")", "(:", ":)"].freeze

Class Method Summary collapse

Class Method Details

.named_hash(hash_or_array, name_key) ⇒ Object 



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# File 'lib/plurimath/asciimath/constants.rb', line 97

def named_hash(hash_or_array, name_key)
  hash_or_array.each_with_object({}) { |d, i| i[d] = name_key }
end

.parens_symbols ⇒ Object 



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# File 'lib/plurimath/asciimath/constants.rb', line 109

def parens_symbols
  Utility.parens_hash(:asciimath).keys.delete_if { |sym| SKIP_INPUT_PARENS.include?(sym) }
end

.precompile_constants ⇒ Object 



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# File 'lib/plurimath/asciimath/constants.rb', line 88

def precompile_constants
  @values ||=
    named_hash(UNARY_CLASSES, :unary_class)
      .merge(named_hash(symbols_array, :symbol))
      .merge(named_hash(FONT_STYLES, :fonts))
      .merge(named_hash(SPECIAL_BOLD_ALPHABETS, :special_fonts))
  @values.sort_by { |v, _| -v.length }.to_h
end

.symbols_array ⇒ Object 



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# File 'lib/plurimath/asciimath/constants.rb', line 101

def symbols_array
  @@symbols ||= Utility.symbols_hash(:asciimath).keys.concat(parens_symbols)
end

.wrapper_symbols ⇒ Object 



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# File 'lib/plurimath/asciimath/constants.rb', line 105

def wrapper_symbols
  symbols_array.grep(/__{/)
end