Module: I18nContextGenerator::XmlScanner

Defined in:
lib/i18n_context_generator/xml_scanner.rb

Overview

Small stateful XML scanning helpers for line-oriented diff and location code. This is intentionally not an XML parser; it only removes comments while preserving the remaining text and line boundaries.

Class Method Summary collapse

Class Method Details

.without_comments(line, state) ⇒ Object 



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# File 'lib/i18n_context_generator/xml_scanner.rb', line 10

def without_comments(line, state)
  remaining = line.to_s
  visible = +''
  contained_comment = false

  loop do
    if state[:inside_comment]
      contained_comment = true
      comment_end = remaining.index('-->')
      return [visible, contained_comment] unless comment_end

      state[:inside_comment] = false
      remaining = remaining[(comment_end + 3)..].to_s
    else
      comment_start = remaining.index('<!--')
      unless comment_start
        visible << remaining
        return [visible, contained_comment]
      end

      visible << remaining[0...comment_start]
      contained_comment = true
      state[:inside_comment] = true
      remaining = remaining[(comment_start + 4)..].to_s
    end
  end
end