Class: String

Inherits:

Object

• Object
• String

show all

Defined in:

lib/aws/s3/extensions.rb

Instance Method Summary (collapse)

• - (Object) previous
• - (Object) previous!
• - (Object) remove_extended
• - (Object) remove_extended!

  All paths in in S3 have to be valid unicode so this takes care of cleaning up any strings that aren't valid utf-8 according to String#valid_utf8?.

• - (Object) to_header
• - (Object) underscore
• - (Boolean) valid_utf8?

41
42
43

# File 'lib/aws/s3/extensions.rb', line 41

def previous
  dup.previous!
end

30
31
32
33

# File 'lib/aws/s3/extensions.rb', line 30

def previous!
  self[-1] = (self[-1].ord - 1).chr
  self
end

88
89
90

# File 'lib/aws/s3/extensions.rb', line 88

def remove_extended
  dup.remove_extended!
end

74
75
76

# File 'lib/aws/s3/extensions.rb', line 74

def remove_extended!
  gsub!(/[\x80-\xFF]/) { "%02X" % $&[0] }
end

45
46
47

# File 'lib/aws/s3/extensions.rb', line 45

def to_header
  downcase.tr('_', '-')
end

51
52
53
54
55
56

# File 'lib/aws/s3/extensions.rb', line 51

def underscore
  gsub(/::/, '/').
    gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
    gsub(/([a-z\d])([A-Z])/,'\1_\2').
    tr("-", "_").downcase
end

59
60
61
62
63
64

# File 'lib/aws/s3/extensions.rb', line 59

def valid_utf8?
  scan(Regexp.new('[^\x00-\xa0]', nil, 'u')) { |s| s.unpack('U') }
  true
rescue ArgumentError
  false
end