Class: Marktable::Formatters::Markdown

Inherits:
Object
  • Object
show all
Defined in:
lib/marktable/formatters/markdown.rb

Class Method Summary collapse

Class Method Details

.calculate_column_widths(rows, headers) ⇒ Object 



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# File 'lib/marktable/formatters/markdown.rb', line 28

def self.calculate_column_widths(rows, headers)
  # Determine the maximum number of columns to consider
  max_cols = headers ? headers.size : 0

  if headers.nil?
    # Without headers, find the maximum number of values across all rows
    rows.each do |row|
      max_cols = [max_cols, row.values.size].max
    end
  end

  # Initialize widths array with zeros
  widths = Array.new(max_cols, 0)

  # Process headers if available
  headers&.each_with_index do |header, i|
    width = header.to_s.length
    widths[i] = width if width > widths[i]
  end

  # Process row values, but only up to the max_cols
  rows.each do |row|
    values = row.values.take(max_cols)
    values.each_with_index do |value, i|
      width = value.to_s.length
      widths[i] = width if width > widths[i]
    end
  end

  widths
end

.format(rows, headers = nil) ⇒ Object 



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# File 'lib/marktable/formatters/markdown.rb', line 6

def self.format(rows, headers = nil)
  return '' if rows.empty? && headers.nil?

  # Calculate column widths
  widths = calculate_column_widths(rows, headers)

  lines = []

  # Add header row if we have headers
  if headers
    lines << Row.new(headers).to_markdown(widths)
    lines << separator_row(widths)
  end

  # Add data rows
  rows.each do |row|
    lines << row.to_markdown(widths)
  end

  lines.join("\n")
end

.separator_row(widths) ⇒ Object 



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# File 'lib/marktable/formatters/markdown.rb', line 60

def self.separator_row(widths)
  separator_parts = widths.map { |width| '-' * width }
  "| #{separator_parts.join(' | ')} |"
end