Module: Zashoku::Formatter

Defined in:
lib/core/formatter.rb

Constant Summary collapse

PAD = 
' '
SPLIT = 
'@split@'
BYTE_SUFFIXES = 
{
  1_000_000_000_000 => 'T',
  1_000_000_000     => 'G',
  1_000_000         => 'M',
  1_000             => 'K',
  1                 => ''
}.freeze
STRIP_BRACKETS = 
/\s*\[.+?\]\s*/
STRIP_EXT = 
/(\.mkv)|(\.avi)|(\.mp4)/
STRIP_PARENS = 
/\s*\(.+?\)\s*/

Class Method Summary collapse

Class Method Details

.duration(secs) ⇒ Object 



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# File 'lib/core/formatter.rb', line 25

def self.duration(secs)
  [
    secs >= 3_600 ? secs / 3_600 : nil,
    (secs / 60) % 60,
    secs % 60
  ].map do |i|
    i.round.to_s.rjust(2, '0') if i
  end.compact.join(":")
end

.format_line(string, obj) ⇒ Object 



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# File 'lib/core/formatter.rb', line 112

def self.format_line(string, obj)
  pfs = pre_format(string, obj)
  len = pfs.reduce(0) { |l, s| l + Unicode::DisplayWidth.of(s[0]) } + 1
  buffer = pfs.length > 1 ? (Util::Term.cols - len) / (pfs.length - 1) : 0

  buffer -= (Util::Term.cols - len - buffer)

  pfs.reduce('') do |final, seg|
    buf = pfs.last != seg && buffer.positive? ? (seg[1] || PAD) * buffer : ''
    "#{final}#{seg[0]}#{buf}"
  end #[0..Util::Term.cols - 1]

  #f.chars.reduce('') do |m,v|
  #  m + (Unicode::DisplayWidth.of(m + v) <= Util::Term.cols ? v : '')
  #end
end

.items(format, items) ⇒ Object 



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# File 'lib/core/formatter.rb', line 54

def self.items(format, items)
  items.map do |parent, children|
    [
      format_line(format['parent'], parent.attr),
      children&.map do |child|
        format_line(format['child'], child.attr)
      end || []
    ]
  end.to_h
end

.media_file(path) ⇒ Object 



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# File 'lib/core/formatter.rb', line 46

def self.media_file(path)
   File.basename(path.to_s)
     .gsub(STRIP_BRACKETS) {}
     .gsub(STRIP_EXT, '')
     .tr('_', ' ')
     .gsub(STRIP_PARENS) {}
end

.pre_format(string, obj) ⇒ Object 



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# File 'lib/core/formatter.rb', line 65

def self.pre_format(string, obj)
  split_chars = []
  mode        = :char
  padding     = 0

  string.chars.reduce('') do |str, char|
    str +
      case mode
      when :escape
        mode = :char
        char.to_s
      when :split
        mode = :char
        split_chars << char
        SPLIT
      when :attribute
        mode = :char
        str = obj.key?(char) ? obj[char].to_s : ''
        pad =
          if padding > Unicode::DisplayWidth.of(str)
            PAD * (padding - Unicode::DisplayWidth.of(str))
          else
            ''
          end
        padding = 0
        "#{pad}#{str}"
      when :char
        case char
        when '%'
          mode = :attribute
          ''
        when '@'
          mode = :split
          ''
        when '#'
          padding += 1
          ''
        when '\\'
          mode = :escape
          ''
        else
          char.to_s
        end
      end
  end.split(SPLIT).zip(split_chars)
end

.progress(progress) ⇒ Object 



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# File 'lib/core/formatter.rb', line 42

def self.progress(progress)
  "#{Integer(progress)}.#{Integer(progress * 10.0) % 10}"
end

.round(n, precision = 10.0) ⇒ Object 



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# File 'lib/core/formatter.rb', line 21

def self.round(n, precision = 10.0)
  (Float(n) * precision).round / precision
end

.size(bytes) ⇒ Object 



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# File 'lib/core/formatter.rb', line 35

def self.size(bytes)
  return '0B' if bytes < 1
  suffix = BYTE_SUFFIXES.select { |b, _s| bytes >= b }.max

  "#{round(Float(bytes) / suffix[0])}#{suffix[1]}B"
end