diff options
Diffstat (limited to 'lib/diff/lcs.rb')
| -rw-r--r-- | lib/diff/lcs.rb | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/diff/lcs.rb b/lib/diff/lcs.rb index d3a75fd..f33a452 100644 --- a/lib/diff/lcs.rb +++ b/lib/diff/lcs.rb @@ -50,7 +50,7 @@ module Diff; end unless defined? Diff # rubocop:disable Style/Documentation # a x b y c z p d q # a b c a x b y c z module Diff::LCS - VERSION = '1.3' + VERSION = '1.4' end require 'diff/lcs/callbacks' @@ -181,6 +181,20 @@ class << Diff::LCS # Class argument is provided for +callbacks+, #diff will attempt to # initialise it. If the +callbacks+ object (possibly initialised) responds # to #finish, it will be called. + # + # Each element of a returned array is a Diff::LCS::ContextChange object, + # which can be implicitly converted to an array. + # + # Diff::LCS.sdiff(a, b).each do |action, (old_pos, old_element), (new_pos, new_element)| + # case action + # when '!' + # # replace + # when '-' + # # delete + # when '+' + # # insert + # end + # end def sdiff(seq1, seq2, callbacks = nil, &block) #:yields diff changes: diff_traversal(:sdiff, seq1, seq2, callbacks || Diff::LCS::SDiffCallbacks, &block) end @@ -623,7 +637,7 @@ class << Diff::LCS patch_map = PATCH_MAP[direction] - patchset.flatten.each do |change| + patchset.each do |change| # Both Change and ContextChange support #action action = patch_map[change.action] |