Class: Kotoshu::Cli::DisplayFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/kotoshu/cli/display_formatter.rb

Overview

Formats output for interactive review mode.

Provides methods to display errors, context, suggestions, and navigation prompts in a user-friendly CLI format.

Examples:

Displaying an error

formatter = DisplayFormatter.new(verbose: true)
puts formatter.issue_screen(error, index: 1, total: 10)

Constant Summary collapse

COLORS =

ANSI color codes for terminal output

{
  error: "\e[31m",      # Red
  warning: "\e[33m",    # Yellow
  success: "\e[32m",    # Green
  info: "\e[36m",       # Cyan
  dim: "\e[2m",         # Dim
  bold: "\e[1m",        # Bold
  reset: "\e[0m"        # Reset
}.freeze
CONFIDENCE_LABELS =

Confidence level indicators

{
  high: '✓ High',
  medium: '~ Medium',
  low: '? Low'
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(verbose: false, color_enabled: nil) ⇒ DisplayFormatter

Create a new display formatter.

Parameters:

  • verbose (Boolean) (defaults to: false) —

    Enable verbose output

  • color_enabled (Boolean) (defaults to: nil) —

    Enable ANSI colors (default: true for TTY)



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# File 'lib/kotoshu/cli/display_formatter.rb', line 38

def initialize(verbose: false, color_enabled: nil)
  @verbose = verbose
  @color_enabled = color_enabled.nil? ? $stdout.tty? : color_enabled
end

Instance Attribute Details

#color_enabled ⇒ Object (readonly)

Returns the value of attribute color_enabled.



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# File 'lib/kotoshu/cli/display_formatter.rb', line 32

def color_enabled
  @color_enabled
end

#verbose ⇒ Object (readonly)

Returns the value of attribute verbose.



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# File 'lib/kotoshu/cli/display_formatter.rb', line 32

def verbose
  @verbose
end

Instance Method Details

#error(message) ⇒ String

Display error message.

Parameters:

  • message (String) —

    Error message

Returns:

  • (String) —

    Formatted error



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# File 'lib/kotoshu/cli/display_formatter.rb', line 346

def error(message)
  colorize("Error: #{message}", :error)
end

#export_summary(navigation, export_path) ⇒ String

Display export summary.

Parameters:

  • navigation (NavigationManager) —

    Navigation state

  • export_path (String) —

    Path to export file

Returns:

  • (String) —

    Formatted export summary



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# File 'lib/kotoshu/cli/display_formatter.rb', line 299

def export_summary(navigation, export_path)
  corrections = navigation.export_corrections

  lines = []
  lines << ""
  lines << colorize("═══ Export Summary ═══", :bold)
  lines << ""
  lines << "Exported #{corrections.size} corrections to:"
  lines << colorize(export_path, :info)
  lines << ""

  if corrections.any? && @verbose
    lines << colorize("Corrections:", :bold)
    corrections.first(10).each do |corr|
      lines << "  Line #{corr[:line]}: #{corr[:original]} → #{corr[:replacement]}"
    end

    if corrections.size > 10
      lines << colorize("  ... and #{corrections.size - 10} more", :dim)
    end

    lines << ""
  end

  lines.join("\n")
end

#format_suggestions(suggestions, max_display: 5) ⇒ String

Format suggestions list with confidence scores.

Parameters:

  • suggestions (Array<Suggestion>) —

    List of suggestions

  • max_display (Integer) (defaults to: 5) —

    Maximum suggestions to show (default: 5)

Returns:

  • (String) —

    Formatted suggestions



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# File 'lib/kotoshu/cli/display_formatter.rb', line 177

def format_suggestions(suggestions, max_display: 5)
  return colorize("No suggestions", :dim) unless suggestions&.any?

  lines = []
  suggestions.first(max_display).each_with_index do |suggestion, idx|
    number = colorize((idx + 1).to_s + '.', :info)
    word = colorize(suggestion.word, suggestion.high_confidence? ? :success : :warning)
    confidence = "(#{(suggestion.confidence * 100).round(0)}%)"

    line = "  #{number} #{word} #{confidence}"
    line += " [#{suggestion.source}]" if suggestion.source && @verbose
    lines << line
  end

  if suggestions.size > max_display
    remaining = suggestions.size - max_display
    lines << colorize("  ... and #{remaining} more", :dim)
  end

  lines.join("\n")
end

#help_screen ⇒ String

Display help screen.

Returns:

  • (String) —

    Formatted help text



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# File 'lib/kotoshu/cli/display_formatter.rb', line 257

def help_screen
  lines = []
  lines << ""
  lines << colorize("═══ Interactive Review Help ═══", :bold)
  lines << ""
  lines << colorize("Navigation Commands:", :bold)
  lines << "  [Enter] or [n]    Move to next error"
  lines << "  [b]               Move to previous error"
  lines << "  [j] <number>      Jump to error by number"
  lines << "  [f]               Jump to first error"
  lines << "  [l]               Jump to last error"
  lines << ""
  lines << colorize("Error Actions:", :bold)
  lines << "  [1-9]             Accept suggestion by number"
  lines << "  [s]               Skip current error"
  lines << "  [e]               Edit custom replacement"
  lines << ""
  lines << colorize("Display Commands:", :bold)
  lines << "  [l]               List all errors with status"
  lines << "  [t]               Toggle show/hide context"
  lines << "  [v]               Toggle verbose mode"
  lines << "  [?]               Show this summary"
  lines << ""
  lines << colorize("Program Commands:", :bold)
  lines << "  [q]               Quit and save changes"
  lines << "  [Q]               Quit without saving"
  lines << "  [!]               Export corrections to file"
  lines << ""
  lines << colorize("Filter Commands:", :bold)
  lines << "  [c] <level>       Filter by confidence (high, medium, low)"
  lines << "  [y] <type>        Filter by error type"
  lines << "  [a]               Show all errors (clear filters)"
  lines << ""

  lines.join("\n")
end

#highlight_error(error) ⇒ String

Highlight the error word within its context.

Parameters:

  • error (SemanticError) —

    The error to highlight

Returns:

  • (String) —

    Highlighted error with context



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# File 'lib/kotoshu/cli/display_formatter.rb', line 156

def highlight_error(error)
  return error.original unless error.context

  ctx = error.context
  highlighted = ctx.current.gsub(/\b#{Regexp.escape(error.original)}\b/i) do |match|
    colorize(match, :error)
  end

  # Truncate if too long
  if highlighted.length > 100
    "..." + highlighted[-100..-1]
  else
    highlighted
  end
end

#issue_screen(error, index:, total:, show_context: true) ⇒ String

Display individual error screen.

Shows the error with context, suggestions, and action prompt.

Parameters:

  • error (SemanticError) —

    The error to display

  • index (Integer) —

    Current error index (1-based)

  • total (Integer) —

    Total number of errors

  • show_context (Boolean) (defaults to: true) —

    Show context window (default: true)

Returns:

  • (String) —

    Formatted error screen



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# File 'lib/kotoshu/cli/display_formatter.rb', line 109

def issue_screen(error, index:, total:, show_context: true)
  lines = []
  lines << ""
  lines << colorize("═" * 70, :bold)
  lines << (colorize("Error #{index} of #{total}", :bold) + " — #{error_type_label(error.error_type)}")
  lines << colorize("═" * 70, :bold)
  lines << ""

  # Error location
  lines << (colorize("Location:", :bold) + " #{error.location}")
  lines << ""

  # Error with highlighting
  lines << (colorize("Found:", :error) + " #{highlight_in_context(error)}")
  lines << ""

  # Context window
  if show_context && error.context
    lines << colorize("Context:", :bold)
    lines << format_context(error.context)
    lines << ""
  end

  # Confidence indicator
  conf_label = confidence_label(error.confidence)
  lines << (colorize("Confidence:", :bold) + " #{conf_label} (#{(error.confidence * 100).round(1)}%)")
  lines << ""

  # Suggestions
  if error.suggestions&.any?
    lines << colorize("Suggestions:", :bold)
    lines << format_suggestions(error.suggestions)
    lines << ""
  end

  # Action prompt
  lines << (colorize("Actions:",
                     :bold) + " [Enter] Next [1-#{error.suggestions&.size || 0}] Accept [s] Skip [b] Back [q] Quit")
  lines << ""

  lines.join("\n")
end

#list_all_errors(navigation) ⇒ String

Display all errors with status indicators.

Parameters:

Returns:

  • (String) —

    Formatted error list



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# File 'lib/kotoshu/cli/display_formatter.rb', line 203

def list_all_errors(navigation)
  lines = []
  lines << ""
  lines << colorize("All Errors (#{navigation.errors.size})", :bold)
  lines << ("─" * 70)

  navigation.list_all.each do |line|
    # Add color coding based on status
    colored_line = if line.include?('[DONE]')
                     colorize(line, :success)
                   elsif line.include?('[SKIP]')
                     colorize(line, :dim)
                   else
                     line
                   end
    lines << colored_line
  end

  lines << ""
  lines.join("\n")
end

#prompt(text) ⇒ String

Format input prompt.

Parameters:

  • text (String) —

    Prompt text

Returns:

  • (String) —

    Formatted prompt



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# File 'lib/kotoshu/cli/display_formatter.rb', line 330

def prompt(text)
  colorize("#{text} ", :info)
end

#statistics(navigation) ⇒ String

Display statistics summary.

Parameters:

Returns:

  • (String) —

    Formatted statistics



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# File 'lib/kotoshu/cli/display_formatter.rb', line 229

def statistics(navigation)
  stats = navigation.statistics

  lines = []
  lines << ""
  lines << colorize("Review Statistics", :bold)
  lines << ("─" * 40)
  lines << "Total: #{stats[:total]}"
  lines << "Pending: #{stats[:pending]}"
  lines << colorize("Modified: #{stats[:modified]}", :success)
  lines << colorize("Skipped: #{stats[:skipped]}", :dim)
  lines << ""

  if stats[:by_type]&.any?
    lines << colorize("By Type:", :bold)
    stats[:by_type].each do |type, count|
      label = SemanticError::ERROR_TYPES[type] || type.to_s.capitalize
      lines << "  #{label}: #{count}"
    end
    lines << ""
  end

  lines.join("\n")
end

#success(message) ⇒ String

Display success message.

Parameters:

  • message (String) —

    Success message

Returns:

  • (String) —

    Formatted success



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# File 'lib/kotoshu/cli/display_formatter.rb', line 354

def success(message)
  colorize(message, :success)
end

#summary_screen(document, navigation) ⇒ String

Display summary screen for document review.

Shows error breakdown by type and confidence, plus navigation hints.

Parameters:

  • document (Document) —

    The document being reviewed

  • navigation (NavigationManager) —

    Navigation state

Returns:

  • (String) —

    Formatted summary screen



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# File 'lib/kotoshu/cli/display_formatter.rb', line 50

def summary_screen(document, navigation)
  stats = navigation.statistics

  lines = []
  lines << ""
  lines << colorize("═══ Document Review Summary", :bold)
  lines << ""
  lines << "Document: #{document.name}"
  lines << "Format: #{Document::FORMATS[document.format]}"
  lines << "Language: #{document.language_code}"
  lines << ""
  lines << colorize("Error Summary", :bold)
  lines << ("─" * 40)

  # Total counts
  lines << "Total errors found: #{stats[:total]}"
  lines << "  • Pending: #{stats[:pending]}"
  lines << "  • Modified: #{stats[:modified]}"
  lines << "  • Skipped: #{stats[:skipped]}"
  lines << ""

  # Breakdown by type
  if stats[:by_type]&.any?
    lines << colorize("By Type", :bold)
    stats[:by_type].each do |type, count|
      label = SemanticError::ERROR_TYPES[type] || type.to_s.capitalize
      lines << "  • #{label}: #{count}"
    end
    lines << ""
  end

  # Breakdown by confidence
  if stats[:by_confidence]&.any?
    lines << colorize("By Confidence", :bold)
    lines << "  • High (>0.8): #{stats[:by_confidence][:high]}"
    lines << "  • Medium (0.5-0.8): #{stats[:by_confidence][:medium]}"
    lines << "  • Low (≤0.5): #{stats[:by_confidence][:low]}"
    lines << ""
  end

  # Navigation hints
  lines << colorize("Navigation", :bold)
  lines << "  [Enter] Next error    [s] Skip    [a] Accept suggestion"
  lines << "  [b] Back             [q] Quit    [l] List all errors"
  lines << "  [j] Jump to error    [h] Help    [?] Show this summary"
  lines << ""

  lines.join("\n")
end

#warning(message) ⇒ String

Display warning message.

Parameters:

  • message (String) —

    Warning message

Returns:

  • (String) —

    Formatted warning



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# File 'lib/kotoshu/cli/display_formatter.rb', line 338

def warning(message)
  colorize("Warning: #{message}", :warning)
end