Class: String

Inherits:
Object show all
Defined in:
lib/creative_rails_utilities/string.rb

Constant Summary collapse

Alpha26 = 
("a".."z").to_a

Instance Method Summary collapse

Instance Method Details

#clean_whitespace ⇒ Object 



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# File 'lib/creative_rails_utilities/string.rb', line 15

def clean_whitespace
  return strip.gsub(/\s{2,}/, ' ')
end

#to_bool ⇒ Object

Convert string to boolean.



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# File 'lib/creative_rails_utilities/string.rb', line 24

def to_bool
  return true  if self[/\A(true)|(1)|(y(es)?)\z/i]
  return false if self[/\A(false)|(0)|(no?)|(nil)\z/i] || self == ""
  raise(ArgumentError.new "could not interpret '#{self}' as boolean.")
end

#to_i26 ⇒ Object 



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# File 'lib/creative_rails_utilities/string.rb', line 5

def to_i26
  result = 0
  downcase!
  (1..length).each do |i|
    char = self[-i]
    result += 26**(i-1) * (Alpha26.index(char) + 1)
  end
  result
end

#to_query_hash ⇒ Object

convert an URI query string into a symbol hash, does not support array query records (yet)

Raises:

  • (ArgumentError) 


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# File 'lib/creative_rails_utilities/string.rb', line 31

def to_query_hash
  raise ArgumentError.new("Looks like unsupported array query is used, sorry!") if self.to_s[/\[\]\=/].present?

  query_hash = split("&").reduce({}) do |mem, i|
    key = i.split("=").first
    value = i.split("=").second

    mem[key.to_s] = value.to_s
    mem
  end

  return query_hash
end

#unindent ⇒ Object 



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# File 'lib/creative_rails_utilities/string.rb', line 19

def unindent
  gsub(/^#{self[/\A\s*/]}/, '')
end