Module: Bugsage::CodeContext

Defined in:
lib/bugsage/code_context.rb

Class Method Summary collapse

Class Method Details

.escape_html(value) ⇒ Object 



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# File 'lib/bugsage/code_context.rb', line 77

def escape_html(value)
  CGI.escapeHTML(value.to_s)
end

.extract_location(location) ⇒ Object 



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# File 'lib/bugsage/code_context.rb', line 9

def extract_location(location)
  return [nil, nil] unless location

  match = location.match(/^(.+):(\d+)/)
  return [match[1], match[2].to_i] if match

  [location, nil]
end

.numbered_source(file_path, line_number, context_range: 20) ⇒ Object 



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# File 'lib/bugsage/code_context.rb', line 50

def numbered_source(file_path, line_number, context_range: 20)
  lines = read_file_lines(file_path)
  return nil unless lines

  start_line = [line_number - context_range, 1].max
  end_line = [line_number + context_range, lines.length].min
  source = (start_line..end_line).map do |num|
    marker = num == line_number ? ">>" : "  "
    "#{marker} #{num.to_s.rjust(4)} | #{lines[num - 1]}"
  end.join("\n")

  {
    start_line: start_line,
    end_line: end_line,
    error_line: line_number,
    source: source
  }
end

.read_file_lines(file_path) ⇒ Object 



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# File 'lib/bugsage/code_context.rb', line 69

def read_file_lines(file_path)
  return nil unless file_path && File.exist?(file_path)

  File.readlines(file_path, chomp: true)
rescue StandardError
  nil
end

.render_code_context(file_path, line_number) ⇒ Object 



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# File 'lib/bugsage/code_context.rb', line 18

def render_code_context(file_path, line_number)
  return "" unless file_path && line_number

  lines = read_file_lines(file_path)
  return "" unless lines

  context_range = 5
  start_line = [line_number - context_range, 1].max
  end_line = [line_number + context_range, lines.length].min

  code_html = ""
  (start_line..end_line).each do |num|
    is_error_line = num == line_number
    line_content = lines[num - 1] || ""
    error_class = is_error_line ? " error" : ""

    code_html += "<div class=\"code-line#{error_class}\">"
    code_html += "<div class=\"code-line-number\">#{num}</div>"
    code_html += "<div class=\"code-line-content\">#{escape_html(line_content)}</div>"
    code_html += "</div>"
  end

  <<~HTML
    <div class="code-section">
      <div class="code-header">#{escape_html(file_path)}</div>
      <div class="code-block">
        #{code_html}
      </div>
    </div>
  HTML
end