Module: BMO::Utils

Defined in:
lib/bmo/utils.rb

Overview

Utility module

Class Method Summary collapse

Class Method Details

.bytesize_force_truncate(string, bytesize, options = {}) ⇒ Object

Byte aware truncation



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# File 'lib/bmo/utils.rb', line 15

def self.bytesize_force_truncate(string, bytesize, options = {})
  if bytesize <= 0
    return ''
  elsif bytesize > string.bytesize
    return string.dup
  end

  options[:omission] ||= '...'
  computed_bytesize = bytesize - options[:omission].bytesize
  return bytesize_force_truncate(options[:omission],
                                 bytesize,
                                 omission: '') if computed_bytesize <= 0
  new_string = ''

  string.chars.each_with_index do |char, i|
    break if (new_string + char).bytesize > computed_bytesize
    new_string << char
  end

  stop =  if options[:separator]
            new_string.rindex(options[:separator]) || new_string.length
          else
            new_string.length
          end
  (new_string[0...stop] + options[:omission]).to_s
end

.coerce_to_symbols(hash) ⇒ Object

Coerce string hash keys to symbols



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# File 'lib/bmo/utils.rb', line 5

def self.coerce_to_symbols(hash)
  hash_symbolized = {}
  hash.each_pair do |key, value|
    key = key.to_sym if key.respond_to?(:to_sym)
    hash_symbolized[key] = value
  end
  hash_symbolized
end