Class: GitDiffParser::Patch

Inherits:
Object
  • Object
show all
Defined in:
lib/git_diff_parser/patch.rb

Overview

Parsed patch

Constant Summary collapse

RANGE_INFORMATION_LINE = 
/^@@ .+\+(?<line_number>\d+),/
MODIFIED_LINE = 
/^\+(?!\+|\+)/
REMOVED_LINE = 
/^[-]/
NOT_REMOVED_LINE = 
/^[^-]/
NO_NEWLINE_MESSAGE = 
/^\\ No newline at end of file$/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(body, options = {}) ⇒ Patch

Returns a new instance of Patch.

Parameters:

  • body (String) —

    patch section in ‘git diff`. GitHub’s pull request file’s patch. GitHub’s commit file’s patch.

    <<-BODY
@@ -11,7 +11,7 @@ def valid?

   def run
     api.create_pending_status(*api_params, 'Hound is working...')
-    @style_guide.check(pull_request_additions)
+    @style_guide.check(api.pull_request_files(@pull_request))
     build = repo.builds.create!(violations: @style_guide.violations)
     update_api_status(build)
   end
@@ -19,6 +19,7 @@ def run
   private

   def update_api_status(build = nil)
+    # might not need this after using Rubocop and fetching individual files.
     sleep 1
     if @style_guide.violations.any?
       api.create_failure_status(*api_params, 'Hound does not approve', build_url(build))
BODY
  • options (Hash) (defaults to: {}) —

    options

Options Hash (options):

  • :file (String) —

    file path

  • 'file' (String) —

    file path

  • :secure_hash (String) —

    target sha1 hash

  • 'secure_hash' (String) —

    target sha1 hash

See Also:



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# File 'lib/git_diff_parser/patch.rb', line 51

def initialize(body, options = {})
  @body = body || ''
  @file = options[:file] || options['file'] if options[:file] || options['file']
  @secure_hash = options[:secure_hash] || options['secure_hash'] if options[:secure_hash] || options['secure_hash']
end

Instance Attribute Details

#body ⇒ String?

Returns patch section in ‘git diff` or nil.

Returns:

  • (String, nil) —

    patch section in ‘git diff` or nil

See Also:



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# File 'lib/git_diff_parser/patch.rb', line 11

def body
  @body
end

#file ⇒ String?

Returns file path or nil.

Returns:

  • (String, nil) —

    file path or nil



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# File 'lib/git_diff_parser/patch.rb', line 11

def file
  @file
end

#secure_hash ⇒ String?

Returns target sha1 hash or nil.

Returns:

  • (String, nil) —

    target sha1 hash or nil



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# File 'lib/git_diff_parser/patch.rb', line 11

def secure_hash
  @secure_hash
end

Instance Method Details

#changed_line_numbers ⇒ Array<Integer>

Returns changed line numbers.

Returns:

  • (Array<Integer>) —

    changed line numbers



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# File 'lib/git_diff_parser/patch.rb', line 106

def changed_line_numbers
  changed_lines.map(&:number)
end

#changed_lines ⇒ Array<Line>

Returns changed lines.

Returns:

  • (Array<Line>) —

    changed lines



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# File 'lib/git_diff_parser/patch.rb', line 58

def changed_lines
  line_number = 0

  lines.each_with_index.inject([]) do |lines, (content, patch_position)|
    case content
    when RANGE_INFORMATION_LINE
      line_number = Regexp.last_match[:line_number].to_i
    when NO_NEWLINE_MESSAGE
      # nop
    when MODIFIED_LINE
      line = Line.new(
        content: content,
        number: line_number,
        patch_position: patch_position
      )
      lines << line
      line_number += 1
    when NOT_REMOVED_LINE
      line_number += 1
    end

    lines
  end
end

#find_patch_position_by_line_number(line_number) ⇒ Integer?

Returns patch position.

Parameters:

  • line_number (Integer) —

    line number

Returns:

  • (Integer, nil) —

    patch position



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# File 'lib/git_diff_parser/patch.rb', line 113

def find_patch_position_by_line_number(line_number)
  target = changed_lines.find { |line| line.number == line_number }
  return nil unless target
  target.patch_position
end

#removed_lines ⇒ Array<Line>

Returns removed lines.

Returns:

  • (Array<Line>) —

    removed lines



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# File 'lib/git_diff_parser/patch.rb', line 84

def removed_lines
  line_number = 0

  lines.each_with_index.inject([]) do |lines, (content, patch_position)|
    case content
    when RANGE_INFORMATION_LINE
      line_number = Regexp.last_match[:line_number].to_i
    when REMOVED_LINE
      line = Line.new(
        content: content,
        number: line_number,
        patch_position: patch_position
      )
      lines << line
      line_number += 1
    end

    lines
  end
end