Class: Mathematical
- Inherits:
-
Object
- Object
- Mathematical
- Includes:
- Corrections, Validator
- Defined in:
- lib/mathematical.rb,
lib/mathematical/version.rb,
lib/mathematical/validator.rb,
lib/mathematical/corrections.rb,
ext/mathematical/mathematical.c
Defined Under Namespace
Modules: Corrections, Validator Classes: DocumentCreationError, DocumentReadError, MaxsizeError, ParseError, Process
Constant Summary collapse
- DEFAULT_OPTS =
{ :ppi => 72.0, :zoom => 1.0, :base64 => false, :maxsize => 0, :format => :svg, :delimiter => [:DOLLAR, :DOUBLE] }
- XML_HEADER =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- MATH_MATCH =
%r{<math xmlns.+?</math>}m
- VERSION =
'1.6.12'.freeze
Constants included from Validator
Validator::FORMAT_TYPES, Validator::RENDER_TYPES
Instance Method Summary collapse
- #filter(maths) ⇒ Object
-
#initialize(options = {}) ⇒ Mathematical
constructor
A new instance of Mathematical.
- #parse(maths) ⇒ Object (also: #render)
- #result(result_data) ⇒ Object
- #strict_filter(maths) ⇒ Object
- #text_filter(maths) ⇒ Object
Methods included from Validator
#validate_config, #validate_content, #validate_string
Methods included from Corrections
#adjust_lt_gt, #apply_corrections
Constructor Details
#initialize(options = {}) ⇒ Mathematical
Returns a new instance of Mathematical.
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# File 'lib/mathematical.rb', line 27 def initialize( = {}) @config = DEFAULT_OPTS.merge() validate_config(@config) @config[:formatInt] = FORMAT_TYPES.index(@config[:format]) if @config[:delimiter].is_a?(Symbol) @config[:delimiter] = Configuration::Delimiters.to_h[@config[:delimiter]] else @config[:delimiter] = @config[:delimiter].map do |delim| Configuration::Delimiters.to_h[delim] end.inject(0, :|) end @processer = Mathematical::Process.new(@config) end |
Instance Method Details
#filter(maths) ⇒ Object
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# File 'lib/mathematical.rb', line 53 def filter(maths) maths = validate_content(maths) result_data = @processer.process(maths, RENDER_TYPES.find_index(:filter)) result(result_data) end |
#parse(maths) ⇒ Object Also known as: render
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# File 'lib/mathematical.rb', line 45 def parse(maths) maths = validate_content(maths) result_data = @processer.process(maths, RENDER_TYPES.find_index(:parse)) result(result_data) end |
#result(result_data) ⇒ Object
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# File 'lib/mathematical.rb', line 87 def result(result_data) fail RuntimeError if !result_data.is_a?(Hash) && !result_data.is_a?(Array) if result_data.is_a? Array result_data.map { |d| format_data(d) } else format_data(result_data) end end |
#strict_filter(maths) ⇒ Object
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# File 'lib/mathematical.rb', line 81 def strict_filter(maths) maths = validate_content(maths) result_data = @processer.process(maths, RENDER_TYPES.find_index(:strict_filter)) result(result_data) end |
#text_filter(maths) ⇒ Object
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# File 'lib/mathematical.rb', line 59 def text_filter(maths) maths = validate_content(maths) widths = [] heights = [] result_data = @processer.process(maths, RENDER_TYPES.find_index(:text_filter)) # TODO: can/should be optimized to not do two calls here, but I am thinking # about moving to Rust and don't have time to write safe C... if result_data[:data] && @config[:format] != :mathml result_data[:data].gsub!(MATH_MATCH) do |match| result = @processer.process(maths, RENDER_TYPES.find_index(:parse)) widths << result[:width] heights << result[:height] result[:data] end result_data[:width] = widths result_data[:height] = heights end result(result_data) end |