Dawa Ometto
110 lines
2.9 KiB
Ruby
110 lines
2.9 KiB
Ruby
module Precious
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module Views
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class Compare < Layout
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include HasPage
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attr_reader :page, :diff, :versions, :message, :allow_editing
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def title
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"Comparison of #{@page.title}"
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end
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def before
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@versions[0][0..6]
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end
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def after
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@versions[1][0..6]
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end
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def lines(diff = @diff)
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lines = []
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lines_to_parse = diff.split("\n")[3..-1]
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lines_to_parse = lines_to_parse[2..-1] if lines_to_parse[0] =~ /^(---|rename to )/
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if lines_to_parse.nil? || lines_to_parse.empty?
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lines_to_parse = [] # File is created without content
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else
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lines_to_parse = lines_to_parse[1..-1] if lines_to_parse[0].start_with?('+++')
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end
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lines_to_parse.each_with_index do |line, line_index|
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lines << { :line => line,
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:class => line_class(line),
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:ldln => left_diff_line_number(line),
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:rdln => right_diff_line_number(line) }
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end
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lines
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end
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def show_revert
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!@message
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end
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# private
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def line_class(line)
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if line =~ /^@@/
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'gc'
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elsif git_line?(line)
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'gg'
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elsif line =~ /^\+/
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'gi'
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elsif line =~ /^\-/
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'gd'
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else
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''
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end
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end
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@left_diff_line_number = nil
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def left_diff_line_number(line)
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if git_line?(line)
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m, li = *line.match(/\-(\d+)/)
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@left_diff_line_number = li.to_i
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@current_line_number = @left_diff_line_number
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ret = '...'
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elsif line[0] == ?-
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ret = @left_diff_line_number.to_s
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@left_diff_line_number += 1
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@current_line_number = @left_diff_line_number - 1
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elsif line[0] == ?+
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ret = ' '
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else
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ret = @left_diff_line_number.to_s
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@left_diff_line_number += 1
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@current_line_number = @left_diff_line_number - 1
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end
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ret
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end
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@right_diff_line_number = nil
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def right_diff_line_number(line)
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if git_line?(line)
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m, ri = *line.match(/\+(\d+)/)
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@right_diff_line_number = ri.to_i
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@current_line_number = @right_diff_line_number
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ret = '...'
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elsif line[0] == ?-
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ret = ' '
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elsif line[0] == ?+
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ret = @right_diff_line_number.to_s
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@right_diff_line_number += 1
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@current_line_number = @right_diff_line_number - 1
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else
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ret = @right_diff_line_number.to_s
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@right_diff_line_number += 1
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@current_line_number = @right_diff_line_number - 1
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end
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ret
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end
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def git_line?(line)
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!!(line =~ /^(\\ No newline|Binary files|@@)/)
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end
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end
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end
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end
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