Module: Bipm::Data::Importer::AsciiMath

Extended by:
AsciiMath
Included in:
AsciiMath
Defined in:
lib/bipm/data/importer/asciimath.rb

Constant Summary collapse

MATH = 
/[a-zA-Z0-9µ-]/
DIGIT = 
/-?[0-9][0-9 .,]*[0-9]|-?[0-9]/
STEM = 
/[^\]]*?/
SPACE_BEFORE = 
/(?:\A|(?<=&nbsp;|\s|[,()\/.~^]))/
SPACE_AFTER = 
/(?:\Z|(?=&nbsp;|\s|[,()\/.~"^]))/
PREFIXES = 
/m|c|d|k|M|G|T|/
UNITS = 
/t|m|mol|cal|µ|s|g|W|cd|Hz|J|K|N|V|H|A|C|F|T|Wb|sr|lx|lm|bar|sb|h|rad|fm|°C|°F|°K/

Instance Method Summary collapse

Instance Method Details

#asciidoc_extract_math(str) ⇒ Object 



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# File 'lib/bipm/data/importer/asciimath.rb', line 14

def asciidoc_extract_math str
  str.gsub(/\b_?_(#{MATH}{1,3})_?_/, 'stem:[\1]')
    .gsub("_,_", ',') # Some mistake in formatting
    .gsub("^er^", 'ESCUPerESCUP') # French specialities
    .gsub(/(bar|A) (table|of|key|de|being|full|1)( |,)/, 'ESC\1 \2\3') # A is Ampere, but also a particle, bar is a bar but also a bar
    .gsub(/\b([TJWCFHA]\.)/, 'ESC\1') # J. is an initial
    .gsub(/\^(e|re)\^( |)(session|Conférence|réunion|CGPM|édition)/, 'ESCUP\1ESCUP\2\3')
    .gsub("\u{96}", '-')
    .gsub(%r"image::/utils/special/14/ital/(\w*?)_maj.gif\[#{STEM}\]") { "stem:[ #{$1.capitalize} ]" }
    .gsub(%r"image::/utils/special/14/ital/(\w*?).gif\[#{STEM}\]") { "stem:[ #{$1} ]" }
    .gsub(%r"image::/utils/special/14/(\w*?)_maj.gif\[#{STEM}\]") { "stem:[ sf #{$1.capitalize} ]" }
    .gsub(%r"image::/utils/special/14/(\w*?).gif\[#{STEM}\]") { "stem:[ sf #{$1} ]" }
    .gsub(%r"image::/utils/special/Math/plusminus.gif\[#{STEM}\]", 'stem:[ +- ]')
    .gsub(%r"±", 'stem:[ +- ]')
    .gsub(%r"–", '-')
    .gsub(/#{SPACE_BEFORE}\^(#{DIGIT})\^(C|O|H|Cs|He)#{SPACE_AFTER}/, 'stem:[""_(\1) "\2"]') # Nucleus symbols
    .gsub(/#{SPACE_BEFORE}(#{PREFIXES})(#{UNITS})\^(#{DIGIT})\^#{SPACE_AFTER}/, 'stem:[ESCUN"\1\2"^(\3)ESCUN]') # Basic units with powers
    .gsub(/#{SPACE_BEFORE}(#{PREFIXES})(#{UNITS})#{SPACE_AFTER}/, 'stem:[ESCUN"\1\2"ESCUN]') # Basic units without powers
    .gsub(/stem:\[(#{STEM})\]~(#{MATH}{1,4})~/, 'stem:[\1_(\2)]')
    .gsub(/~stem:\[(#{STEM})\]~~(#{MATH}{1,4})~/, 'stem:[\1_(\2)]') # A mistake in formatting
    .gsub(        /(#{DIGIT})~(#{MATH}{1,4})~/, 'stem:[\1_(\2)]')
    .gsub(/stem:\[(#{STEM})\]\^(#{MATH}{1,4})\^/, 'stem:[\1^(\2)]')
    .gsub(        /(#{DIGIT})\^(#{MATH}{1,4})\^/, 'stem:[\1^(\2)]')
    .gsub("π", "stem:[ pi ]") # The following may be buggy - may escape twice
    .gsub("α", "stem:[ alpha ]") #.gsub("µ", "stem:[ mu ]")
    .gsub("Δ", "stem:[ sf Delta ]")
    .gsub("ν", "stem:[ nu ]")
    .gsub(/stem:\[(#{STEM})\]~stem:\[(#{STEM})\]~/, 'stem:[\1_(\2)]') # Connectors for sub stems
    .gsub(/stem:\[(#{STEM})\]\^stem:\[(#{STEM})\]\^/, 'stem:[\1^(\2)]') # Connectors for super stems
    .gsub(/stem:\[(#{STEM})\] ?[´x×·] ?stem:\[(#{STEM})\]/, 'stem:[\1 * \2]') # Connectors
    .gsub(        /(#{DIGIT}) ?[´x×·] ?stem:\[(#{STEM})\]/, 'stem:[\1 * \2]')
    .gsub(        /(#{DIGIT})( ?| ?[=\/+-] ?)stem:\[(#{STEM})\]/, 'stem:[\1\2\3]')
    .gsub(/stem:\[(#{STEM})\]( ?| ?[=\/+-] ?)(#{DIGIT})/,         'stem:[\1\2\3]')
    .gsub(/stem:\[(#{STEM})\]( ?| ?[=\/+-] ?)stem:\[(#{STEM})\]/, 'stem:[\1\2\3]') # End connectors
    .gsub(/stem:\[(#{STEM})\]\(stem:\[(#{STEM})\]\)/, 'stem:[\1(\2)]') # Functions
    .gsub(/\(stem:\[(#{STEM})\]\)stem:\[(#{STEM})\]/, 'stem:[(\1)\2]')
    .gsub(/\(stem:\[(#{STEM})\]\)/, 'stem:[(\1)]') # Capture parens inside
    .gsub(/stem:\[(#{STEM})\](TT|TCG)/, 'stem:[\1 "\2"]') # Stem extension for something I have no idea about
    .gsub(/stem:\[(#{STEM})\]~(hfs)~/, 'stem:[\1_("\2")]') # Stem extension for something I have no idea about
    .gsub(/(UTC)stem:\[(#{STEM})\]/, 'stem:["\1" \2]') # Stem extension for timezones
    .gsub(        /(#{DIGIT})( ?| ?[=\/+-] ?)stem:\[(#{STEM})\]/, 'stem:[\1\2\3]') # Connectors pass 2
    .gsub(/stem:\[(#{STEM})\]( ?| ?[=\/+-] ?)(#{DIGIT})/,         'stem:[\1\2\3]')
    .gsub(/stem:\[(#{STEM})\]( ?| ?[=\/+-] ?)stem:\[(#{STEM})\]/, 'stem:[\1\2\3]') # Try connecting two times more
    .gsub(/stem:\[(#{STEM})\]( ?| ?[=\/+-] ?)stem:\[(#{STEM})\]/, 'stem:[\1\2\3]') # Try connecting two times more
    .gsub(/stem:\[(#{STEM})\]/) { "stem:[#{$1.gsub(",", '","')}]" } # French special case
    .gsub(/ESCUN\s*ESCUN/, ' * ')
    .gsub(" sf pi ", " pi ") # serif pi looks ugly in AsciiMath. They probably mean italics pi
    .gsub('d "TT"/d "TCG"', '(d "TT")/(d "TCG")') # Fix handling of a derivative
    .gsub('ESCUP', '^') #Unescape French language
    .gsub('ESCUN', '') #Unescape units
    .gsub('ESCbar', 'bar') #Unescape bars
    .gsub(/ESC([TJWCFHA])/, '\1') #Unescape joules
end