Class: TTY::Logger::Formatters::Text

Inherits:
Object
  • Object
show all
Defined in:
lib/tty/logger/formatters/text.rb

Overview

Format data suitable for text reading

Constant Summary collapse

SPACE = 
" "
LPAREN = 
"("
RPAREN = 
")"
LBRACE = 
"{"
RBRACE = 
"}"
LBRACKET = 
"["
RBRACKET = 
"]"
ELLIPSIS = 
"..."
LITERAL_TRUE = 
"true"
LITERAL_FALSE = 
"false"
LITERAL_NIL = 
"nil"
SINGLE_QUOTE_REGEX = 
/'/.freeze
ESCAPE_DOUBLE_QUOTE = 
"\""
ESCAPE_STR_REGEX = 
/[ ="|{}()\[\]^$+*?.-]/.freeze
NUM_REGEX = 
/^-?\d*(?:\.\d+)?\d+$/.freeze

Instance Method Summary collapse

Instance Method Details

#dump(obj, max_bytes: 2**12, max_depth: 3) ⇒ String

Dump data in a single formatted line

Parameters:

  • obj (Hash) —

    the object to serialize as text

Returns:

  • (String) 


32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
 
# File 'lib/tty/logger/formatters/text.rb', line 32

def dump(obj, max_bytes: 2**12, max_depth: 3)
  bytesize = 0

  line = obj.each_with_object([]) do |(k, v), acc|
    str = "#{dump_key(k)}=#{dump_val(v, max_depth)}"
    items = acc.size - 1

    if bytesize + str.bytesize + items > max_bytes
      if bytesize + items +
         (acc[-1].bytesize - ELLIPSIS.bytesize) > max_bytes
        acc.pop
      end
      acc << ELLIPSIS
      break acc
    else
      bytesize += str.bytesize
      acc << str
    end
  end
  line.join(SPACE)
end