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# File 'lib/gitlab/diff/parser.rb', line 8
def parse(lines, diff_file: nil)
return [] if lines.blank?
@lines = lines
line_obj_index = 0
line_old = 1
line_new = 1
type = nil
context = nil
Enumerator.new do |yielder|
@lines.each do |line|
next if filename?(line) && type.nil?
full_line = line.delete("\n")
if line =~ /^@@ -/
type = "match"
line_old = line.match(/\-[0-9]*/)[0].to_i.abs rescue 0
line_new = line.match(/\+[0-9]*/)[0].to_i.abs rescue 0
next if line_old <= 1 && line_new <= 1
yielder << Gitlab::Diff::Line.new(full_line, type, line_obj_index, line_old, line_new, parent_file: diff_file)
line_obj_index += 1
next
elsif line[0] == '\\'
type = "#{context}-nonewline"
yielder << Gitlab::Diff::Line.new(full_line, type, line_obj_index, line_old, line_new, parent_file: diff_file)
line_obj_index += 1
else
type = identification_type(line)
yielder << Gitlab::Diff::Line.new(full_line, type, line_obj_index, line_old, line_new, parent_file: diff_file)
line_obj_index += 1
end
case line[0]
when "+"
line_new += 1
context = :new
when "-"
line_old += 1
context = :old
when "\\" else
line_new += 1
line_old += 1
end
end
end
end
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