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module Gitlab
module Conflict
class Parser
class UnexpectedDelimiter < StandardError
end
class MissingEndDelimiter < StandardError
end
def parse(text, their_path, our_path)
return [] if text.blank?
line_obj_index = 0
line_old = 1
line_new = 1
type = nil
lines = []
conflict_start = "<<<<<<< #{our_path}"
conflict_middle = '======='
conflict_end = ">>>>>>> #{their_path}"
text.each_line.map do |line|
full_line = line.delete("\n")
if full_line == conflict_start
raise UnexpectedDelimiter unless type.nil?
type = 'new'
elsif full_line == conflict_middle
raise UnexpectedDelimiter unless type == 'new'
type = 'old'
elsif full_line == conflict_end
raise UnexpectedDelimiter unless type == 'old'
type = nil
elsif line[0] == '\\'
type = 'nonewline'
lines << Gitlab::Diff::Line.new(full_line, type, line_obj_index, line_old, line_new)
else
lines << Gitlab::Diff::Line.new(full_line, type, line_obj_index, line_old, line_new)
line_old += 1 if type != 'new'
line_new += 1 if type != 'old'
line_obj_index += 1
end
end
raise MissingEndDelimiter unless type == nil
lines
end
def empty?
@lines.empty?
end
end
end
end
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