Class: Redmine::UnifiedDiff

Inherits:
Array
  • Object
show all
Defined in:
lib/redmine/unified_diff.rb

Overview

Class used to parse unified diffs

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Array

#to_csv

Methods included from Diffable

#diff, #patch, #replacenextlarger, #reverse_hash

Constructor Details

#initialize(diff, options = {}) ⇒ UnifiedDiff

Returns a new instance of UnifiedDiff.



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# File 'lib/redmine/unified_diff.rb', line 23

def initialize(diff, options={})
  options.assert_valid_keys(:type, :max_lines)
  diff = diff.split("\n") if diff.is_a?(String)
  @diff_type = options[:type] || 'inline'
  lines = 0
  @truncated = false
  diff_table = DiffTable.new(@diff_type)
  diff.each do |line|
    line_encoding = nil
    if line.respond_to?(:force_encoding)
      line_encoding = line.encoding
      # TODO: UTF-16 and Japanese CP932 which is imcompatible with ASCII
      #       In Japan, diffrence between file path encoding
      #       and file contents encoding is popular.
      line.force_encoding('ASCII-8BIT')
    end
    unless diff_table.add_line line
      line.force_encoding(line_encoding) if line_encoding
      self << diff_table if diff_table.length > 0
      diff_table = DiffTable.new(diff_type)
    end
    lines += 1
    if options[:max_lines] && lines > options[:max_lines]
      @truncated = true
      break
    end
  end
  self << diff_table unless diff_table.empty?
  self
end

Instance Attribute Details

#diff_type ⇒ Object (readonly)

Returns the value of attribute diff_type.



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# File 'lib/redmine/unified_diff.rb', line 21

def diff_type
  @diff_type
end

Instance Method Details

#truncated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/redmine/unified_diff.rb', line 54

def truncated?; @truncated; end