Class: Rpatch::Pattern

Inherits:
Object
  • Object
show all
Defined in:
lib/rpatch/hunk.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(line) ⇒ Pattern

Returns a new instance of Pattern.



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# File 'lib/rpatch/hunk.rb', line 8

def initialize(line)
  @text = line.chomp
end

Instance Attribute Details

#text ⇒ Object (readonly)

Returns the value of attribute text.



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# File 'lib/rpatch/hunk.rb', line 6

def text
  @text
end

Instance Method Details

#is_add? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rpatch/hunk.rb', line 24

def is_add?
  @is_add ||= begin
    @text =~ /^\+/
  end
end

#is_in_after? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rpatch/hunk.rb', line 18

def is_in_after?
  @is_in_after ||= begin
    @text =~ /^( |\+|\/ |\/\+)/
  end
end

#is_in_before? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rpatch/hunk.rb', line 12

def is_in_before?
  @is_in_before ||= begin
    @text =~ /^( |-|\/ |\/-|\? |\?-|\?\/ |\?\/-)/
  end
end

#is_pattern? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rpatch/hunk.rb', line 30

def is_pattern?
  @is_pattern ||= pattern.is_a?(Regexp)
end

#match(message) ⇒ Object 



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# File 'lib/rpatch/hunk.rb', line 50

def match(message)
  return nil unless message
  message = message.chomp
  match = nil
  while true
    if is_pattern?
      # When match with regexp, do not twick message
      if pattern.match(message)
        match = 1
      end
    else
      message = message.strip.gsub(/\s+/, ' ')
      if pattern == message
        match = 1
      end
    end

    if match
      break
    elsif message.empty?
      match = 0
      break
    # compare without leading "#"
    elsif message.start_with? "#"
      while message.start_with? "#"
        message = message[1..-1]
        message = message.strip unless is_pattern?
      end
    else
      break
    end
  end
  match
end

#pattern ⇒ Object 



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# File 'lib/rpatch/hunk.rb', line 34

def pattern
  @pattern ||= begin
    if text =~ /^\/( |-|\+)/
      Regexp.new(text[2..-1].strip)
    elsif text =~ /^\?\/( |-|\+)/
      Regexp.new(text[3..-1].strip)
    elsif text =~ /^( |-|\+)/
      pattern = text[1..-1].strip.gsub(/\s+/, ' ')
    elsif text =~ /^\?( |-|\+)/
      pattern = text[2..-1].strip.gsub(/\s+/, ' ')
    else
      raise PatchFormatError.new("-0---Unknown pattern in diffs: #{text.inspect}")
    end
  end
end