Class: Semverve::VersionLiteralRewriter

Inherits:
Object
  • Object
show all
Defined in:
lib/semverve/version_literal_rewriter.rb

Overview

Rewrites a named capture inside the first match for a safe version literal.

Instance Method Summary collapse

Constructor Details

#initialize(pattern:, replacement:, capture: :version) ⇒ Semverve::VersionLiteralRewriter

Initializes a literal rewriter.

Parameters:

  • pattern (Regexp)
  • replacement (String, #to_s)
  • capture (Symbol, String) (defaults to: :version) 


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# File 'lib/semverve/version_literal_rewriter.rb', line 17

def initialize(pattern:, replacement:, capture: :version)
  @pattern = pattern
  @replacement = replacement.to_s
  @capture_name = capture.to_s
  @capture_key = capture.to_sym

  validate_capture
end

Instance Method Details

#rewrite(text) ⇒ String

Rewrites the configured capture in text.

Parameters:

  • text (String)

Returns:

  • (String) 


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# File 'lib/semverve/version_literal_rewriter.rb', line 32

def rewrite(text)
  text.sub(pattern) do |matched_text|
    match = Regexp.last_match
    capture_start = match.begin(capture_key) - match.begin(0)
    capture_end = match.end(capture_key) - match.begin(0)

    "#{matched_text[0...capture_start]}#{replacement}#{matched_text[capture_end..]}"
  end
end