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Contents
module TensorStream
# helper string methods usually found in ActiveSupport but
# need to replicate here since we don't want to use ActiveSupport
module StringHelper
def camelize(string, uppercase_first_letter = true)
string = if uppercase_first_letter
string.sub(/^[a-z\d]*/) { $&.capitalize }
else
string.sub(/^(?:(?=\b|[A-Z_])|\w)/) { $&.downcase }
end
string.gsub(/(?:_|(\/))([a-z\d]*)/) { "#{$1}#{$2.capitalize}" }.gsub("/", "::")
end
def underscore(string)
string.gsub(/::/, "/").
gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2').
gsub(/([a-z\d])([A-Z])/, '\1_\2').
tr("-", "_").downcase
end
def symbolize_keys(hash)
hash.map { |k, v|
[k.to_sym, v]
}.to_h
end
def constantize(camel_cased_word)
names = camel_cased_word.split("::")
# Trigger a built-in NameError exception including the ill-formed constant in the message.
Object.const_get(camel_cased_word) if names.empty?
# Remove the first blank element in case of '::ClassName' notation.
names.shift if names.size > 1 && names.first.empty?
names.inject(Object) do |constant, name|
if constant == Object
constant.const_get(name)
else
candidate = constant.const_get(name)
next candidate if constant.const_defined?(name, false)
next candidate unless Object.const_defined?(name)
# Go down the ancestors to check if it is owned directly. The check
# stops when we reach Object or the end of ancestors tree.
constant = constant.ancestors.inject { |const, ancestor|
break const if ancestor == Object
break ancestor if ancestor.const_defined?(name, false)
const
}
# owner is in Object, so raise
constant.const_get(name, false)
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems