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# frozen_string_literal: true
# Converts a line from `git diff --word-diff=porcelain` output into a segment
#
# Possible options:
# 1. Diff hunk
# 2. Chunk
# 3. Newline
module Gitlab
module WordDiff
class LineProcessor
def initialize(line)
@line = line
end
def extract
return if empty_line?
return Segments::DiffHunk.new(full_line) if diff_hunk?
return Segments::Newline.new if newline_delimiter?
Segments::Chunk.new(full_line)
end
private
attr_reader :line
def diff_hunk?
line =~ /^@@ -/
end
def empty_line?
full_line == ' '
end
def newline_delimiter?
full_line == '~'
end
def full_line
@full_line ||= line.delete("\n")
end
end
end
end
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