Module: Jsus::Util::Inflection

Defined in:
lib/jsus/util/inflection.rb

Overview

Various inflection helpers

Class Method Summary collapse

Class Method Details

.capitalize(string) ⇒ Object

Capitalizes first letter (doesn't do anything else to other letters, unlike String#capitalize)



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# File 'lib/jsus/util/inflection.rb', line 27

def capitalize(string)
  string[0,1].capitalize + string[1..-1].to_s
end

.decapitalize(string) ⇒ Object

Downcases first letter



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# File 'lib/jsus/util/inflection.rb', line 33

def decapitalize(string)
  string[0,1].downcase + string[1..-1].to_s
end

.random_case_to_mixed_case(string) ⇒ Object

Converts strings with various punctuation to pascal case

Examples:

hello_world  => HelloWorld
Oh.My.God    => OhMyGod
iAmCamelCase => IAmCamelCase
some_Weird_._punctuation => SomeWeirdPunctuation


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# File 'lib/jsus/util/inflection.rb', line 13

def random_case_to_mixed_case(string)
  string.split(/[^a-zA-Z]+/).map {|chunk| capitalize(chunk) }.join
end

.random_case_to_mixed_case_preserve_dots(string) ⇒ Object

Same as #random_case_to_mixed_case, but preserves dots

Examples:

color.fx => Color.Fx


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# File 'lib/jsus/util/inflection.rb', line 21

def random_case_to_mixed_case_preserve_dots(string)
  string.split(".").map {|c| random_case_to_mixed_case(c) }.join(".")
end

.snake_case(string) ⇒ Object

Translates MixedCase string to camel-case



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# File 'lib/jsus/util/inflection.rb', line 39

def snake_case(string)
  decapitalize(string.gsub(/(.)([A-Z])([a-z]+)/) {|_| "#{$1}_#{$2.downcase}#{$3}"}.
                      gsub(/[^A-Za-z_]+/, "_"))
end