Class: Plurimath::Utility
- Inherits:
-
Object
- Object
- Plurimath::Utility
- Defined in:
- lib/plurimath/utility.rb,
lib/plurimath/utility/intent_encoding.rb
Direct Known Subclasses
Defined Under Namespace
Classes: IntentEncoding
Constant Summary collapse
- UNICODE_REGEX =
%r{&#x[a-zA-Z0-9]+;}
- FONT_STYLES =
{ "double-struck": Math::Function::FontStyle::DoubleStruck, "sans-serif-bold-italic": Math::Function::FontStyle::SansSerifBoldItalic, "sans-serif-italic": Math::Function::FontStyle::SansSerifItalic, "bold-sans-serif": Math::Function::FontStyle::BoldSansSerif, "sans-serif": Math::Function::FontStyle::SansSerif, "bold-fraktur": Math::Function::FontStyle::BoldFraktur, "bold-italic": Math::Function::FontStyle::BoldItalic, "bold-script": Math::Function::FontStyle::BoldScript, mbfitsans: Math::Function::FontStyle::SansSerifBoldItalic, monospace: Math::Function::FontStyle::Monospace, mathfrak: Math::Function::FontStyle::Fraktur, mitsans: Math::Function::FontStyle::SansSerifItalic, mbfsans: Math::Function::FontStyle::BoldSansSerif, mbffrak: Math::Function::FontStyle::BoldFraktur, mathcal: Math::Function::FontStyle::Script, fraktur: Math::Function::FontStyle::Fraktur, mbfscr: Math::Function::FontStyle::BoldScript, mathbb: Math::Function::FontStyle::DoubleStruck, double: Math::Function::FontStyle::DoubleStruck, mathtt: Math::Function::FontStyle::Monospace, mathsf: Math::Function::FontStyle::SansSerif, mathrm: Math::Function::FontStyle::Normal, textrm: Math::Function::FontStyle::Normal, italic: Math::Function::FontStyle::Italic, mathit: Math::Function::FontStyle::Italic, textit: Math::Function::FontStyle::Italic, mathbf: Math::Function::FontStyle::Bold, textbf: Math::Function::FontStyle::Bold, script: Math::Function::FontStyle::Script, normal: Math::Function::FontStyle::Normal, mbfit: Math::Function::FontStyle::BoldItalic, msans: Math::Function::FontStyle::SansSerif, mfrak: Math::Function::FontStyle::Fraktur, mscr: Math::Function::FontStyle::Script, bold: Math::Function::FontStyle::Bold, bbb: Math::Function::FontStyle::DoubleStruck, Bbb: Math::Function::FontStyle::DoubleStruck, mtt: Math::Function::FontStyle::Monospace, cal: Math::Function::FontStyle::Script, mit: Math::Function::FontStyle::Italic, mup: Math::Function::FontStyle::Normal, mbf: Math::Function::FontStyle::Bold, sf: Math::Function::FontStyle::SansSerif, tt: Math::Function::FontStyle::Monospace, fr: Math::Function::FontStyle::Fraktur, rm: Math::Function::FontStyle::Normal, cc: Math::Function::FontStyle::Script, ii: Math::Function::FontStyle::Italic, bb: Math::Function::FontStyle::Bold, bf: Math::Function::FontStyle::Bold, }.freeze
- ALIGNMENT_LETTERS =
{ c: "center", r: "right", l: "left", }.freeze
- UNARY_CLASSES =
%w[ arccos arcsin arctan liminf limsup right sech sinh tanh cosh coth csch left max min sec sin sup deg det dim exp gcd glb lub lcm ker tan cos cot csc ln lg ].freeze
- MUNDER_CLASSES =
%w[ ubrace obrace right max min ].freeze
- PARENTHESIS =
{ "〈": "〉", "⌊": "⌋", "⌈": "⌉", "‖": "‖", "{": "}", "[": "]", "|": "|", "(": ")", "{": "}", "[": "]", }.freeze
- TEXT_CLASSES =
%w[ symbol number text ].freeze
- TABLE_SUPPORTED_ATTRS =
%i[ columnlines rowlines frame ].freeze
- MPADDED_ATTRS =
%i[ height depth width ].freeze
- MGLYPH_ATTRS =
%i[ height width index alt src ].freeze
- UNICODEMATH_MENCLOSE_FUNCTIONS =
{ underline: "bottom", underbar: "bottom", longdiv: "longdiv", xcancel: "updiagonalstrike downdiagonalstrike", bcancel: "updiagonalstrike", ellipse: "circle", circle: "circle", cancel: "downdiagonalstrike", rrect: "roundedbox", rect: "box", }.freeze
- MASK_CLASSES =
{ 1 => 'top', 2 => 'bottom', 4 => 'left', 8 => 'right', 16 => 'horizontalstrike', 32 => 'verticalstrike', 64 => 'downdiagonalstrike', 128 => 'updiagonalstrike' }.freeze
Class Method Summary collapse
- .accent_value(accent, function: false, lang:) ⇒ Object
- .all_symbols_classes(lang) ⇒ Object
- .asciimath_symbol_object(value, lang: :asciimath) ⇒ Object
- .attr_is_accent(attrs, value) ⇒ Object
- .attr_is_function(attrs, value) ⇒ Object
- .base_is_prime?(base) ⇒ Boolean
- .base_is_sub_or_sup?(base) ⇒ Boolean
- .base_recursion(sub_script, sub_recursion) ⇒ Object
- .binary_function_classes(mrow, under: false, lang:) ⇒ Object
- .capitalize(text) ⇒ Object
- .enclosure_attrs(mask) ⇒ Object
- .fenceable_classes(mrow = []) ⇒ Object
- .filter_math_zone_values(value, lang:, intent: false, options: nil) ⇒ Object
- .filter_table_data(table_data) ⇒ Object
- .filter_values(array, new_formula: true) ⇒ Object
- .find_pos_chr(fonts_array, key) ⇒ Object
- .frac_values(object) ⇒ Object
- .fractions(numerator, denominator, options = nil) ⇒ Object
- .get_class(text) ⇒ Object
- .get_paren_class(text) ⇒ Object
- .get_symbol_class(text) ⇒ Object
- .get_table_class(text) ⇒ Object
- .hexcode_in_input(field) ⇒ Object
- .html_entity_to_unicode(string) ⇒ Object
- .identity_matrix(size) ⇒ Object
- .join_attr_value(attrs, value, unicode_only: false, lang: :mathml) ⇒ Object
- .latex_table_curly_paren(string) ⇒ Object
- .left_right_objects(paren, function) ⇒ Object
- .math_display_text_objects(object) ⇒ Object
- .mathml_unary_classes(text_array, omml: false, unicode_only: false, lang: nil) ⇒ Object
- .mrow_left_right(mrow = []) ⇒ Object
- .nary_fonts(nary, lang:) ⇒ Object
- .nil_to_none_object(value) ⇒ Object
- .notations_to_mask(notations) ⇒ Object
- .organize_options(table_data, column_align) ⇒ Object
- .organize_table(array, column_align: nil, options: nil) ⇒ Object
- .organize_tds(tr_array, column_align, options) ⇒ Object
- .ox_element(node, attributes: [], namespace: "") ⇒ Object
- .paren_able?(arr = [], mrow = []) ⇒ Boolean
- .paren_files ⇒ Object
- .parens_hash(lang, skipables: nil) ⇒ Object
- .populate_function_classes(mrow = [], lang:) ⇒ Object
- .pr_element(main_tag, wi_tag = false, namespace: "") ⇒ Object
- .primes_constants ⇒ Object
- .recursion_fraction(frac, numerator, options) ⇒ Object
- .recursive_sub(sub_script, sub_recursion) ⇒ Object
- .recursive_sup(sup_script, sup_recursion) ⇒ Object
- .rpr_element(wi_tag: false) ⇒ Object
- .sequence_slashed_values(values, lang:) ⇒ Object
- .slashed_values(value) ⇒ Object
- .string_to_html_entity(string) ⇒ Object
- .sub_sup_method?(sub_sup) ⇒ Boolean
- .sup_recursion(sup_script, sup_recursion) ⇒ Object
- .symbol_object(value, lang: nil) ⇒ Object
- .symbol_prime?(obj) ⇒ Boolean
- .symbol_to_text(symbol, lang:, intent: false, options:) ⇒ Object
- .symbol_value(object, value) ⇒ Object
- .symbols_class(string, lang:, table: false) ⇒ Object
- .symbols_files ⇒ Object
- .symbols_hash(lang) ⇒ Object
- .table_options(table_data) ⇒ Object
- .table_separator(separator, value, symbol: "solid") ⇒ Object
- .table_td(object) ⇒ Object
- .td_value(td_object) ⇒ Object
- .td_values(objects, slicer) ⇒ Object
- .ternary_function_classes(mrow) ⇒ Object
- .text_classes(text, lang:) ⇒ Object
- .transform_accents(accents, lang:) ⇒ Object
- .unary_function_classes(mrow, lang:) ⇒ Object
- .unfenced_value(object, paren_specific: false) ⇒ Object
- .unicode_accents(accents, lang: :unicodemath) ⇒ Object
- .unicode_fractions(fractions) ⇒ Object
- .update_nodes(element, nodes) ⇒ Object
- .updated_primes(prime) ⇒ Object
- .valid_class(object) ⇒ Object
- .valid_paren?(object) ⇒ Boolean
- .validate_left_right(fields = []) ⇒ Object
- .validate_math_zone(object, lang:, intent: false, options: nil) ⇒ Object
Class Method Details
.accent_value(accent, function: false, lang:) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 842 def accent_value(accent, function: false, lang:) if accent[:accent_symbols] symbols_class(UnicodeMath::Constants::ACCENT_SYMBOLS[accent[:accent_symbols].to_sym] || accent[:accent_symbols], lang: lang) else accent[:first_value] || filter_values(accent[:prime_accent_symbols]) end end |
.all_symbols_classes(lang) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 304 def all_symbols_classes(lang) symbols_hash(lang).merge(parens_hash(lang)) end |
.asciimath_symbol_object(value, lang: :asciimath) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 620 def asciimath_symbol_object(value, lang: :asciimath) return if value.nil? symbols = symbols_hash(lang) return symbols[value&.to_s].new if symbols.key?(value&.to_s) symbol_object(value&.to_s, lang: lang) end |
.attr_is_accent(attrs, value) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 529 def attr_is_accent(attrs, value) if value.last.is_a?(Math::Function::UnaryFunction) value.last.parameter_one = value.shift if value.length > 1 value.last.attributes = attrs.transform_values { |v| YAML.safe_load(v) } end value end |
.attr_is_function(attrs, value) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 537 def attr_is_function(attrs, value) case attrs when Math::Function::Fenced attrs.parameter_two = value.compact attrs when Math::Function::FontStyle attrs.parameter_one = filter_values(value) attrs when Math::Function::Color color_value = filter_values(value) if attrs.parameter_two attrs.parameter_two.parameter_one = color_value else attrs.parameter_two = color_value end attrs end end |
.base_is_prime?(base) ⇒ Boolean
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# File 'lib/plurimath/utility.rb', line 962 def base_is_prime?(base) symbol_prime?(base.parameter_two) || primes_constants.key(base.parameter_two.value) end |
.base_is_sub_or_sup?(base) ⇒ Boolean
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# File 'lib/plurimath/utility.rb', line 983 def base_is_sub_or_sup?(base) if base.is_a?(Math::Formula) base_is_sub_or_sup?(base.value.first) elsif base.is_a?(Math::Function::Fenced) base_is_sub_or_sup?(base.parameter_two.first) elsif base.is_a?(Math::Symbols::Symbol) || base.is_a?(Math::Number) base.mini_sub_sized || base_mini_sup_sized end end |
.base_recursion(sub_script, sub_recursion) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 921 def base_recursion(sub_script, sub_recursion) base_class = Math::Function::Base new_sub = sub_recursion.parameter_one if new_sub.is_a?(base_class) base_recursion(sub_script, new_sub) sub_recursion else sub_recursion.parameter_one = base_class.new(sub_script, new_sub) sub_recursion end end |
.binary_function_classes(mrow, under: false, lang:) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 668 def binary_function_classes(mrow, under: false, lang:) binary_class = Math::Function::BinaryFunction mrow.each_with_index do |object, ind| mrow[ind] = mathml_unary_classes([object], lang: lang) if object.is_a?(String) object = mrow[ind] next unless object.is_a?(binary_class) if object.is_a?(Math::Function::Mod) next unless mrow.length >= 1 object.parameter_one = mrow.delete_at(ind - 1) unless ind.zero? object.parameter_two = mrow.delete_at(ind) elsif Mathml::Constants::UNICODE_SYMBOLS.invert[object.class_name] && mrow.length > 1 next if object.parameter_one || mrow.length > 2 next object.parameter_one = mrow.delete_at(ind - 1) if under && ind <= 1 object.parameter_one = mrow.delete_at(ind + 1) end end end |
.capitalize(text) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 259 def capitalize(text) text.to_s.split("_").map(&:capitalize).join end |
.enclosure_attrs(mask) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 1004 def enclosure_attrs(mask) raise "enclosure mask is not between 0 and 255" if (mask.nil? || mask < 0 || mask > 255) ret = "" unless mask.nil? mask ^= 15 bin_mask = mask.to_s(2).reverse classes = bin_mask.chars.each_with_index.map { |bit, i| MASK_CLASSES[2**i] if bit == '1' }.compact ret = classes.join(' ') end ret end |
.fenceable_classes(mrow = []) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 726 def fenceable_classes(mrow = []) return false unless mrow.length > 1 return unless paren_able?(PARENTHESIS, mrow) || (mrow.first.is_a?(Math::Symbols::Paren) && mrow.last.is_a?(Math::Symbols::Paren)) open_paren = mrow.shift close_paren = mrow.pop if mrow.length == 1 && mrow.first.is_a?(Math::Function::Table) table = mrow.first table.open_paren = open_paren table.close_paren = close_paren else mrow.replace( [ Math::Function::Fenced.new(open_paren, mrow.dup, close_paren), ], ) end end |
.filter_math_zone_values(value, lang:, intent: false, options: nil) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 757 def filter_math_zone_values(value, lang:, intent: false, options: nil) return [] if value&.empty? new_arr = [] temp_array = [] skip_index = nil value.each_with_index do |obj, index| object = obj.dup next if index == skip_index if TEXT_CLASSES.include?(object.class_name) || math_display_text_objects(object) next temp_array << (object.is_a?(Math::Symbols::Symbol) ? symbol_to_text(object, lang: lang, intent: intent, options: ) : object.value) end new_arr << Math::Function::Text.new(temp_array.join(" ")) if temp_array.any? temp_array = [] new_arr << object end new_arr << Math::Function::Text.new(temp_array.join(" ")) if temp_array.any? new_arr end |
.filter_table_data(table_data) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 224 def filter_table_data(table_data) table_data.each_with_index do |object, ind| if object.is_a?(Math::Symbols::Minus) table_data[ind] = Math::Formula.new( [object, table_data.delete_at(ind.next)], ) end end table_data end |
.filter_values(array, new_formula: true) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 345 def filter_values(array, new_formula: true) return array unless array.is_a?(Array) || array.is_a?(Math::Formula) array = array.is_a?(Math::Formula) ? array.value : array.flatten.compact return Math::Formula.new(array) if array.length > 1 && new_formula return array if array.length > 1 && !new_formula array.first end |
.find_pos_chr(fonts_array, key) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 390 def find_pos_chr(fonts_array, key) fonts_array.find { |d| d.is_a?(Hash) && d[key] } end |
.frac_values(object) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 590 def frac_values(object) case object when Math::Formula object.value.any? { |d| symbol_value(d, ",") } when Array object.any? { |d| symbol_value(d, ",") } end end |
.fractions(numerator, denominator, options = nil) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 867 def fractions(numerator, denominator, = nil) frac_class = Math::Function::Frac if denominator.is_a?(frac_class) if denominator.parameter_one.is_a?(frac_class) recursion_fraction(denominator, numerator, ) else denominator.parameter_one = frac_class.new( unfenced_value(numerator, paren_specific: true), unfenced_value(denominator.parameter_one, paren_specific: true), ) end denominator else frac_class.new( unfenced_value(numerator, paren_specific: true), unfenced_value(denominator, paren_specific: true), ) end end |
.get_class(text) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 245 def get_class(text) Object.const_get("Plurimath::Math::Function::#{capitalize(text)}") end |
.get_paren_class(text) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 255 def get_paren_class(text) Object.const_get("Plurimath::Math::Symbols::Paren::#{capitalize(text)}") end |
.get_symbol_class(text) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 249 def get_symbol_class(text) Object.const_get("Plurimath::Math::Symbols::#{capitalize(text)}") rescue => e get_paren_class(text) end |
.get_table_class(text) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 235 def get_table_class(text) Object.const_get("Plurimath::Math::Function::Table::#{capitalize(text)}") end |
.hexcode_in_input(field) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 979 def hexcode_in_input(field) field.input(:unicodemath)&.flatten&.find { |input| input.match?(/&#x.+;/) } end |
.html_entity_to_unicode(string) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 459 def html_entity_to_unicode(string) entities = HTMLEntities.new entities.decode(string) end |
.identity_matrix(size) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 993 def identity_matrix(size) matrix = Array.new(size) { Array.new(size, 0) } size.times { |i| matrix[i][i] = 1 } matrix.map do |tr| tr.map.with_index do |td, i| tr[i] = Math::Function::Td.new([Math::Number.new(td.to_s)]) end Math::Function::Tr.new(tr) end end |
.join_attr_value(attrs, value, unicode_only: false, lang: :mathml) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 479 def join_attr_value(attrs, value, unicode_only: false, lang: :mathml) if attrs&.is_a?(Hash) && attrs.key?(:intent) [ Math::Function::Intent.new( filter_values(join_attr_value(nil, value, unicode_only: unicode_only, lang: lang)), Math::Function::Text.new(attrs[:intent]), ) ] elsif value.any?(String) new_value = mathml_unary_classes(value, unicode_only: unicode_only, lang: lang) array_value = Array(new_value) attrs.nil? ? array_value : join_attr_value(attrs, array_value, unicode_only: unicode_only) elsif attrs.nil? value elsif attrs.is_a?(String) && ["solid", "none"].include?(attrs.split.first.downcase) table_separator(attrs.split, value) elsif attrs.is_a?(Hash) if (attrs.key?(:accent) || attrs.key?(:accentunder)) attr_is_accent(attrs, value) elsif attrs.key?(:linebreak) Math::Function::Linebreak.new(value.first, attrs) elsif attrs.key?(:bevelled) || attrs.key?(:linethickness) Math::Function::Frac.new(value[0], value[1], attrs) elsif attrs.key?(:notation) value << attrs elsif attrs.key?(:separators) fenced = Math::Function::Fenced.new( symbol_object(attrs[:open] || "(", lang: lang), value, symbol_object(attrs[:close] || ")", lang: lang), ) fenced. = { separators: attrs[:separators] } fenced elsif TABLE_SUPPORTED_ATTRS.any? { |atr| attrs.key?(atr) } Math::Function::Table.new(value, nil, nil, attrs) elsif MPADDED_ATTRS.any? { |atr| attrs.key?(atr) } Math::Function::Mpadded.new( filter_values(value), attrs, ) elsif MGLYPH_ATTRS.any? { |atr| attrs.key?(atr) } Math::Function::Mglyph.new( attrs, ) end elsif attrs.is_a?(Math::Core) attr_is_function(attrs, value) end end |
.latex_table_curly_paren(string) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 1050 def latex_table_curly_paren(string) case string when "{" then Math::Symbols::Paren::Lcurly.new when "}" then Math::Symbols::Paren::Rcurly.new else symbols_class(string, lang: :latex) end end |
.left_right_objects(paren, function) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 637 def left_right_objects(paren, function) paren = if paren.to_s.match?(/\\\{|\\\}/) paren.to_s.gsub(/\\/, "") else Latex::Constants::LEFT_RIGHT_PARENTHESIS[paren.to_sym] end get_class(function).new(paren) end |
.math_display_text_objects(object) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 1045 def math_display_text_objects(object) class_names = ["plus", "minus", "circ", "equal", "symbol"].freeze class_names.include?(object.class_name) end |
.mathml_unary_classes(text_array, omml: false, unicode_only: false, lang: nil) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 422 def mathml_unary_classes(text_array, omml: false, unicode_only: false, lang: nil) return [] if text_array.empty? compacted = text_array.compact return filter_values(compacted) unless compacted.any?(String) string = compacted.join classes = Mathml::Constants::CLASSES unicode = string_to_html_entity(string) return symbols_class(unicode, lang: lang) if unicode_only && unicode symbol = Mathml::Constants::UNICODE_SYMBOLS[unicode.strip.to_sym] if classes.include?(symbol&.strip) get_class(symbol.strip).new elsif classes.any?(string&.strip) get_class(string.strip).new else omml ? text_classes(string, lang: lang) : symbols_class(unicode, lang: lang) end end |
.mrow_left_right(mrow = []) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 652 def mrow_left_right(mrow = []) object = mrow.first !( ((object.is_a?(Math::Function::TernaryFunction) && object.any_value_exist?) && (mrow.length <= 2)) || (object.is_a?(Math::Function::UnaryFunction) && mrow.length == 1) ) end |
.nary_fonts(nary, lang:) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 377 def nary_fonts(nary, lang:) narypr = nary.first.flatten.compact subsup = narypr.any?("undOvr") ? "undOvr" : "subSup" unicode = narypr.any?(Hash) ? narypr.first[:chr] : "∫" Math::Function::Nary.new( symbols_class(string_to_html_entity(unicode), lang: lang), filter_values(nary[1]), filter_values(nary[2]), filter_values(nary[3]), { type: subsup } ) end |
.nil_to_none_object(value) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 556 def nil_to_none_object(value) return value unless value.any?(NilClass) || value.any? { |val| val.is_a?(Array) && val.empty? } value.each.with_index do |val, index| next unless val.nil? || val.is_a?(Array) value[index] = Math::Function::None.new end end |
.notations_to_mask(notations) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 1017 def notations_to_mask(notations) mask = [] notations.split(" ").each { |notation| mask << MASK_CLASSES.key(notation) } mask.inject(*:+)^15 end |
.organize_options(table_data, column_align) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 192 def (table_data, column_align) return column_align if column_align.length <= 1 align = [column_align&.shift] table_data.insert(0, *column_align) align end |
.organize_table(array, column_align: nil, options: nil) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 164 def organize_table(array, column_align: nil, options: nil) table = [] table_data = [] table_row = [] (array, column_align) if string_columns = column_align&.map { |column| column.is_a?(Math::Symbols::Paren) ? "|" : column.value } array.each do |data| if data&.separate_table table_row << Math::Function::Td.new(filter_table_data(table_data).compact) table_data = [] if data.linebreak? organize_tds(table_row.flatten, string_columns.dup, ) table << Math::Function::Tr.new(table_row) table_row = [] end next end table_data << data end table_row << Math::Function::Td.new(table_data.compact) if table_data unless table_row.nil? || table_row.empty? organize_tds(table_row.flatten, string_columns.dup, ) table << Math::Function::Tr.new(table_row) end table_separator(string_columns, table, symbol: "|") unless column_align.nil? || column_align.empty? table end |
.organize_tds(tr_array, column_align, options) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 213 def organize_tds(tr_array, column_align, ) return tr_array if column_align.nil? || column_align.empty? column_align.reject! { |string| string == "|" } column_align = column_align * tr_array.length if tr_array.map.with_index do |td, ind| columnalign = ALIGNMENT_LETTERS[column_align[ind]&.to_sym] td.parameter_two = { columnalign: columnalign } if columnalign end end |
.ox_element(node, attributes: [], namespace: "") ⇒ Object
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# File 'lib/plurimath/utility.rb', line 308 def ox_element(node, attributes: [], namespace: "") namespace = "#{namespace}:" unless namespace.empty? element = Plurimath.xml_engine.new_element("#{namespace}#{node}") element.set_attr(attributes) element end |
.paren_able?(arr = [], mrow = []) ⇒ Boolean
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# File 'lib/plurimath/utility.rb', line 720 def paren_able?(arr = [], mrow = []) arr.any? do |opening, closing| symbol_value(mrow.first, opening.to_s) && symbol_value(mrow.last, closing.to_s) end end |
.paren_files ⇒ Object
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# File 'lib/plurimath/utility.rb', line 263 def paren_files Math::Symbols::Paren.descendants end |
.parens_hash(lang, skipables: nil) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 287 def parens_hash(lang, skipables: nil) @@parens ||= {} lang_parens = @@parens[lang] return lang_parens if lang_parens && !lang_parens.empty? lang_parens = {} paren_files.map do |class_object| class_object::INPUT[lang]&.flatten&.each do |symbol| next if skipables && skipables.include?(class_object.new.class_name) next if lang_parens.key?(symbol) lang_parens[symbol] = class_object end end @@parens[lang] = lang_parens.sort_by { |v, _| -v.length }.to_h end |
.populate_function_classes(mrow = [], lang:) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 660 def populate_function_classes(mrow = [], lang:) flatten_mrow = mrow.flatten.compact unary_function_classes(flatten_mrow, lang: lang) binary_function_classes(flatten_mrow, lang: lang) ternary_function_classes(flatten_mrow) flatten_mrow end |
.pr_element(main_tag, wi_tag = false, namespace: "") ⇒ Object
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# File 'lib/plurimath/utility.rb', line 337 def pr_element(main_tag, wi_tag = false, namespace: "") tag_name = "#{main_tag}Pr" ox_element( tag_name, namespace: namespace, ) << rpr_element(wi_tag: wi_tag) end |
.primes_constants ⇒ Object
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# File 'lib/plurimath/utility.rb', line 972 def primes_constants primes = {} primes .merge!(UnicodeMath::Constants::PREFIXED_PRIMES) .merge({ sprime: "'" }) end |
.recursion_fraction(frac, numerator, options) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 889 def recursion_fraction(frac, numerator, ) frac_class = Math::Function::Frac new_numerator = frac.parameter_one if new_numerator.is_a?(frac_class) recursion_fraction(new_numerator, numerator, ) else frac.parameter_one = frac_class.new( unfenced_value(numerator, paren_specific: true), unfenced_value(frac.parameter_one, paren_specific: true), ) frac end end |
.recursive_sub(sub_script, sub_recursion) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 904 def recursive_sub(sub_script, sub_recursion) base_class = Math::Function::Base if sub_recursion.is_a?(base_class) if sub_recursion.parameter_one.is_a?(base_class) base_recursion(sub_script, sub_recursion) else sub_recursion.parameter_one = base_class.new(sub_script, sub_recursion.parameter_one) end sub_recursion else base_class.new( sub_script, sub_recursion, ) end end |
.recursive_sup(sup_script, sup_recursion) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 933 def recursive_sup(sup_script, sup_recursion) power_class = Math::Function::Power if sup_recursion.is_a?(power_class) if sup_recursion.parameter_one.is_a?(power_class) sup_recursion(sup_script, sup_recursion) else sup_recursion.parameter_one = power_class.new(sup_script, sup_recursion.parameter_one) end sup_recursion else power_class.new( sup_script, sup_recursion, ) end end |
.rpr_element(wi_tag: false) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 316 def rpr_element(wi_tag: false) rpr_element = ox_element("rPr", namespace: "w") attributes = { "w:ascii": "Cambria Math", "w:hAnsi": "Cambria Math" } rpr_element << ox_element( "rFonts", namespace: "w", attributes: attributes, ) rpr_element << ox_element("i", namespace: "w") if wi_tag rpr_element end |
.sequence_slashed_values(values, lang:) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 1032 def sequence_slashed_values(values, lang:) values.each.with_index do |value, index| decoded = HTMLEntities.new.decode(value.value) slashed = if index == 0 slashed_values(value.value) else decoded.match?(/[0-9]/) ? Math::Number.new(decoded) : symbols_class(decoded, lang: lang) end values[index] = slashed end values end |
.slashed_values(value) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 1023 def slashed_values(value) decoded = HTMLEntities.new.decode(value) if decoded.to_s.match?(/^\w+/) Math::Function::Text.new("\\#{decoded}") else Math::Symbols::Symbol.new(decoded, true) end end |
.string_to_html_entity(string) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 451 def string_to_html_entity(string) entities = HTMLEntities.new entities.encode( string.frozen? ? string : string.force_encoding('UTF-8'), :hexadecimal, ) end |
.sub_sup_method?(sub_sup) ⇒ Boolean
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# File 'lib/plurimath/utility.rb', line 239 def sub_sup_method?(sub_sup) if sub_sup.methods.include?(:class_name) Html::Constants::SUB_SUP_CLASSES.value?(sub_sup.class_name.to_sym) end end |
.sup_recursion(sup_script, sup_recursion) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 950 def sup_recursion(sup_script, sup_recursion) power_class = Math::Function::Power new_sup = sup_recursion.parameter_one if new_sup.is_a?(power_class) sup_recursion(sup_script, new_sup) sup_recursion else sup_recursion.parameter_one = power_class.new(sup_script, new_sup) sup_recursion end end |
.symbol_object(value, lang: nil) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 609 def symbol_object(value, lang: nil) value = case value when "ℒ" then "{:" when "ℛ" then ":}" when "ᑕ" then "〈" when "ᑐ" then "〉" else value end symbols_class(value, lang: lang) end |
.symbol_prime?(obj) ⇒ Boolean
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# File 'lib/plurimath/utility.rb', line 967 def symbol_prime?(obj) obj&.class&.const_defined?(:INPUT) && primes_constants&.key(hexcode_in_input(obj)) end |
.symbol_to_text(symbol, lang:, intent: false, options:) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 778 def symbol_to_text(symbol, lang:, intent: false, options:) case lang when :asciimath symbol.to_asciimath(options: ) when :latex symbol.to_latex(options: ) when :mathml symbol.to_mathml_without_math_tag(intent, options: ).nodes.first when :omml symbol.to_omml_without_math_tag(true, options: ) when :unicodemath symbol.to_unicodemath(options: ) end end |
.symbol_value(object, value) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 405 def symbol_value(object, value) (object.is_a?(Math::Symbols::Comma) if value&.include?(",")) || (object.is_a?(Math::Symbols::Minus) if value&.include?("-")) || (object.is_a?(Math::Symbols::Paren::Vert) if value&.include?("|")) || (object.is_a?(Math::Symbols::Symbol) && object&.value&.include?(value)) || (value == "\\\\" && object.is_a?(Math::Function::Linebreak)) end |
.symbols_class(string, lang:, table: false) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 443 def symbols_class(string, lang:, table: false) return string unless string.is_a?(String) || string.is_a?(Parslet::Slice) return latex_table_curly_paren(string) if table && lang == :latex all_symbols_classes(lang)[string.to_s.strip]&.new || Math::Symbols::Symbol.new(string) end |
.symbols_files ⇒ Object
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# File 'lib/plurimath/utility.rb', line 267 def symbols_files Math::Symbols::Symbol.descendants end |
.symbols_hash(lang) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 271 def symbols_hash(lang) @@symbols ||= {} lang_symbols = @@symbols[lang] return lang_symbols if lang_symbols && !lang_symbols.empty? lang_symbols = {} symbols_files.map do |class_object| class_object::INPUT[lang]&.flatten&.each do |symbol| next if lang_symbols.key?(symbol) lang_symbols[symbol] = class_object end end @@symbols[lang] = lang_symbols.sort_by { |v, _| -v.length }.to_h end |
.table_options(table_data) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 200 def (table_data) rowline = "" table_data.map do |tr| if tr&.parameter_one&.first&.parameter_one&.first.is_a?(Math::Symbols::Hline) rowline += "solid " else rowline += "none " end end = { rowline: rowline.strip } if rowline.include?("solid") || {} end |
.table_separator(separator, value, symbol: "solid") ⇒ Object
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# File 'lib/plurimath/utility.rb', line 464 def table_separator(separator, value, symbol: "solid") sep_symbol = Math::Function::Td.new([Math::Symbols::Paren::Vert.new]) separator&.each_with_index do |sep, ind| next unless sep == symbol value.map do |val| val.parameter_one.insert((ind + 1), sep_symbol) if symbol == "solid" val.parameter_one.insert(ind, sep_symbol) if symbol == "|" (val.parameter_one[val.parameter_one.index(nil)] = Math::Function::Td.new([])) rescue nil val end end value end |
.table_td(object) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 599 def table_td(object) new_object = case object when Math::Function::Td object else Math::Function::Td.new([object]) end Array(new_object) end |
.td_value(td_object) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 413 def td_value(td_object) str_classes = [String, Parslet::Slice] if str_classes.include?(td_object.class) && td_object.to_s.empty? return Math::Function::Text.new(nil) end td_object end |
.td_values(objects, slicer) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 394 def td_values(objects, slicer) sliced = objects.slice_when { |object, _| symbol_value(object, slicer) } tds = sliced.map do |slice| Math::Function::Td.new( slice.delete_if { |d| symbol_value(d, slicer) }.compact, ) end tds << Math::Function::Td.new([]) if symbol_value(objects.last, slicer) tds end |
.ternary_function_classes(mrow) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 705 def ternary_function_classes(mrow) ternary_class = Math::Function::TernaryFunction if mrow.any?(ternary_class) && mrow.length > 1 mrow.each_with_index do |object, ind| if object.is_a?(ternary_class) next if [Math::Function::Fenced, Math::Function::Multiscript].include?(object.class) next unless object.parameter_one || object.parameter_two next if object.parameter_three object.parameter_three = filter_values(mrow.delete_at(ind + 1)) end end end end |
.text_classes(text, lang:) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 355 def text_classes(text, lang:) return nil unless text text = filter_values(text) unless text.is_a?(String) return text if text.is_a?(Math::Core) if text&.scan(/[[:digit:]]/)&.length == text&.length Math::Number.new(text) elsif text&.match?(/[a-zA-Z]/) Math::Function::Text.new(text) else text = string_to_html_entity(text) .gsub("&", "&") .gsub("<", "<") .gsub("'", "'") .gsub(" ", " ") .gsub(">", ">") .gsub("
", "\n") symbols_class(text, lang: lang) end end |
.transform_accents(accents, lang:) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 810 def transform_accents(accents, lang:) accents.reduce do |function, accent| if function.is_a?(Hash) if function[:prime_accent_symbols] Math::Function::Power.new( unfenced_value(accent_value(function, function: true, lang: lang), paren_specific: true), accent_value(accent, lang: lang), ) else Math::Function::Overset.new( accent_value(accent, lang: lang), unfenced_value(accent_value(function, function: true, lang: lang), paren_specific: true), { accent: true } ) end else if accent[:prime_accent_symbols] Math::Function::Power.new( unfenced_value(function, paren_specific: true), accent_value(accent, lang: lang), ) else Math::Function::Overset.new( accent_value(accent, lang: lang), unfenced_value(function, paren_specific: true), { accent: true } ) end end end end |
.unary_function_classes(mrow, lang:) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 689 def unary_function_classes(mrow, lang:) unary_class = Math::Function::UnaryFunction if mrow.any?(String) || mrow.any?(unary_class) mrow.each_with_index do |object, ind| mrow[ind] = mathml_unary_classes([object], lang: lang) if object.is_a?(String) object = mrow[ind] if object.is_a?(String) next unless object.is_a?(unary_class) next if object.is_a?(Math::Function::Text) next if object.parameter_one || mrow[ind + 1].nil? next unless ind.zero? object.parameter_one = mrow.delete_at(ind + 1) end end end |
.unfenced_value(object, paren_specific: false) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 566 def unfenced_value(object, paren_specific: false) case object when Math::Function::Fenced if !paren_specific || (paren_specific && valid_paren?(object)) filter_values(object.parameter_two) else object end when Array filter_values(object) else object end end |
.unicode_accents(accents, lang: :unicodemath) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 793 def unicode_accents(accents, lang: :unicodemath) if accents.is_a?(Math::Function::BinaryFunction) accents else if accents.any? { |acc| acc&.dig(:first_value)&.is_a?(Array) } accent_value = accents.first[:first_value].pop first_value = accents.first[:first_value] accents.first[:first_value] = accent_value Math::Formula.new( first_value + [transform_accents(accents, lang: lang)] ) else transform_accents(accents, lang: lang) end end end |
.unicode_fractions(fractions) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 850 def unicode_fractions(fractions) frac_arr = UnicodeMath::Constants::UNICODE_FRACTIONS[fractions.to_sym] Math::Function::Frac.new( Math::Number.new(frac_arr.first.to_s), Math::Number.new(frac_arr.last.to_s), { displaystyle: false, unicodemath_fraction: true } ) end |
.update_nodes(element, nodes) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 328 def update_nodes(element, nodes) nodes&.each do |node| next update_nodes(element, node) if node.is_a?(Array) element << node unless node.nil? end element end |
.updated_primes(prime) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 859 def updated_primes(prime) filter_values( prime.to_s.scan(UNICODE_REGEX).map do |str| symbols_class(str, lang: :unicodemath) end ) end |
.valid_class(object) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 646 def valid_class(object) text = object.extract_class_name_from_text (object.extractable? && Asciimath::Constants::SUB_SUP_CLASSES.include?(text)) || Latex::Constants::SYMBOLS[text.to_sym] == :power_base end |
.valid_paren?(object) ⇒ Boolean
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# File 'lib/plurimath/utility.rb', line 581 def valid_paren?(object) object.parameter_one.is_a?(Math::Symbols::Paren::Lround) && object.parameter_three.is_a?(Math::Symbols::Paren::Rround) && !object..keys.any? { |k| [:open_paren, :close_paren].any?(k.to_sym) } && !object.parameter_one.mini_sup_sized && !object.parameter_three.mini_sub_sized && object..empty? end |
.validate_left_right(fields = []) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 629 def validate_left_right(fields = []) fields.each do |field| if field.is_a?(Math::Formula) && field.value.first.is_a?(Math::Function::Left) field.left_right_wrapper = true end end end |
.validate_math_zone(object, lang:, intent: false, options: nil) ⇒ Object
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# File 'lib/plurimath/utility.rb', line 745 def validate_math_zone(object, lang:, intent: false, options: nil) return false unless object if object.is_a?(Math::Formula) filter_math_zone_values(object.value, lang: lang, intent: intent, options: ).find do |value| !(value.is_a?(Math::Function::Text) || value.is_a?(Math::Symbols::Symbol)) end else !(TEXT_CLASSES.include?(object.class_name) || object.is_a?(Math::Symbols::Symbol)) end end |