String#ljust returns a new string, so whenever we need to add
padding, we can replace "-/" in place with String#tr! and avoid creating
yet another copy of the string.
6401ef5824
Improves the method's performance when asked to remove padding.
str.delete!("=") iterates over the entire string looking for the equals
character, but we know that we will, at most, find two at the end of the
string.
544e0c2cf7
When you change this to true, you may need to add more tests.
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* lib/base64.rb (Base64.urlsafe_encode64): a new option "padding" to
suppress the padding character ("=").
* lib/base64.rb (Base64.urlsafe_decode64): now it accepts not only
correctly-padded input but also unpadded input.
[Feature #10740][ruby-core:67570]
* test/base64/test_base64.rb: Test for above
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RFC 4648. It adds no line feed when encoding, and raise ArgumentError
if the encoded string contains non-alphabet (including CR and LF).
* lib/base64.rb: added. This provides encoding/decoding method for
Base64 in standard RFC 2045, Base64 in standard RFC 4648 and ``Base 64
Encoding with URL and Filename SafeAlphabet'' in RFC 4648.
* test_pack.c, test/base64/test_base64.rb: add tests for above.
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by David Symonds <dsymonds@gmail.com> in [ruby-core:10432].
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which included commits to RCS files with non-trunk default branches.
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