Class: Railbow::Formatters::Base

Inherits:
Object
  • Object
show all
Includes:
TextUtils
Defined in:
lib/railbow/formatters/base.rb

Constant Summary collapse

RESET = 
"\e[0m"
BOLD = 
"\e[1m"
GREEN = 
"\e[32m"
YELLOW = 
"\e[33m"
RED = 
"\e[31m"
CYAN = 
"\e[36m"
DIM = 
"\e[2m"
WHITE = 
"\e[97m"
TABLE_PALETTE = 
[
  196, # red
  208, # orange
  220, # yellow
  76,  # green
  48,  # mint
  39,  # cyan
  33,  # blue
  63,  # indigo
  129, # purple
  170, # pink
  214, # amber
  109  # teal
].freeze
BRIGHT_WHITE = 
"\e[1;97m"

Instance Method Summary collapse

Methods included from TextUtils

#display_width, #strip_ansi, #truncate_str

Instance Method Details

#bold(str) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 42

def bold(str) = "#{BOLD}#{str}#{RESET}"

#cyan(str) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 41

def cyan(str) = "#{CYAN}#{str}#{RESET}"

#diff_tag_branch(name) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 50

def diff_tag_branch(name) = "\e[38;5;39m\u2387 #{name}#{RESET}"

#diff_tag_merging(name) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 51

def diff_tag_merging(name) = "\e[38;5;213m\u2B07 #{name}#{RESET}"

#dim(str) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 37

def dim(str) = "#{DIM}#{str}#{RESET}"

#emoji(type) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 130

def emoji(type)
  case type
  when :migrating then "πŸš€"
  when :migrated then "βœ…"
  when :reverting then "βͺ"
  when :reverted then "βœ…"
  when :check then "βœ“"
  when :status then "πŸ“Š"
  else ""
  end
end

#format_date(timestamp, mode = "full") ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 142

def format_date(timestamp, mode = "full")
  ts = timestamp.to_s
  return ts if ts.length != 14

  time = begin
    Time.new(
      ts[0..3].to_i, ts[4..5].to_i, ts[6..7].to_i,
      ts[8..9].to_i, ts[10..11].to_i, ts[12..13].to_i
    )
  rescue ArgumentError
    return ts
  end

  case mode
  when "full"
    time.strftime("%Y-%m-%d %H:%M:%S")
  when "rel"
    format_relative_time_from(time)
  when "short"
    time.strftime("%b %-d")
  when /\Acustom\((.+)\)\z/
    time.strftime($1)
  else
    time.strftime("%Y-%m-%d %H:%M:%S")
  end
end

#format_timing(seconds) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 118

def format_timing(seconds)
  milliseconds = (seconds * 1000).round(1)

  timing_str = if milliseconds < 1
    "#{(milliseconds * 1000).round(0)}ΞΌs"
  else
    "#{milliseconds}ms"
  end

  cyan(timing_str)
end

#green(str) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 38

def green(str) = "#{GREEN}#{str}#{RESET}"

#green_bold(str) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 43

def green_bold(str) = "#{GREEN}#{BOLD}#{str}#{RESET}"

#landed_tag(date, fresh: false) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 53

def landed_tag(date, fresh: false)
  color = fresh ? "\e[38;5;220m" : DIM
  "#{color}β†ͺ #{date.strftime("%b %d")}#{RESET}"
end

#red(str) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 40

def red(str) = "#{RED}#{str}#{RESET}"

#table_color(table_name) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 46

def table_color(table_name)
  TABLE_PALETTE[Zlib.crc32(table_name.to_s) % TABLE_PALETTE.size]
end

#table_tag(table_name) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 58

def table_tag(table_name)
  color_code = table_color(table_name)
  "\e[38;5;#{color_code}m● #{table_name}#{RESET}"
end

#table_tags(table_names) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 63

def table_tags(table_names)
  return "" if table_names.nil? || table_names.empty?

  table_names.map { |t| table_tag(t) }.join(" ")
end

#table_tags_fitted(formatted_str, max_width) ⇒ Object

Re-fits a pre-formatted table_tags string within max_width, showing full table names and "+N" for overflow. Accepts the full formatted string (with ANSI) and splits it into segments.



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# File 'lib/railbow/formatters/base.rb', line 72

def table_tags_fitted(formatted_str, max_width)
  return formatted_str if formatted_str.nil? || formatted_str.empty?

  # Split into individual tag segments: each is "\e[38;5;NNNm● name\e[0m"
  segments = formatted_str.scan(/\e\[38;5;\d+m● [^\e]+\e\[0m/)
  return formatted_str if segments.empty?

  total = segments.size
  plain_segments = segments.map { |s| strip_ansi(s) }

  # Try fitting all tags
  return formatted_str if display_width(plain_segments.join(" ")) <= max_width

  # Try fitting progressively fewer tags with +N suffix
  (total - 1).downto(1) do |count|
    remaining = total - count
    suffix = " +#{remaining}"
    candidate = plain_segments[0...count].join(" ") + suffix
    if display_width(candidate) <= max_width
      return segments[0...count].join(" ") + suffix
    end
  end

  # Try fitting a truncated first table name + overflow.
  # Need at least 7 chars: "● t… +N" (dot + color prefix use no visible width beyond the dot)
  if max_width >= 7
    suffix = (total > 1) ? " +#{total - 1}" : ""
    # Available width for "● name…" part
    avail = max_width - display_width(suffix)
    # "● " prefix = 2 chars visible, plus at least 1 char of name + ellipsis (1 char)
    if avail >= 4 # "● " (2) + at least 1 char + "…" (1)
      first_plain = plain_segments[0] # e.g. "● some_table"
      name_part = first_plain.sub(/^● /, "")
      # Truncate name to fit: avail - 2 ("● ") - 1 ("…") = chars for name
      name_max = avail - 2 - 1
      truncated_name = name_part[0, name_max]
      color_match = segments[0].match(/\e\[38;5;\d+m/)
      color = color_match ? color_match[0] : ""
      return "#{color}● #{truncated_name}…#{RESET}#{suffix}"
    end
  end

  # Absolute fallback: just +N
  "+#{total}"
end

#yellow(str) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 39

def yellow(str) = "#{YELLOW}#{str}#{RESET}"

#yellow_bold(str) ⇒ Object 



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# File 'lib/railbow/formatters/base.rb', line 44

def yellow_bold(str) = "#{YELLOW}#{BOLD}#{str}#{RESET}"