Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/bade/ruby_extensions/string.rb

Overview

:nodoc:

Constant Summary collapse

SPACE_CHAR = 
' '.freeze
TAB_CHAR = 
"\t".freeze

Instance Method Summary collapse

Instance Method Details

#__chars_count_for_indent(indent, tabsize) ⇒ Object 



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# File 'lib/bade/ruby_extensions/string.rb', line 39

def __chars_count_for_indent(indent, tabsize)
  count = 0
  each_char do |char|
    break if indent <= 0

    case char
    when SPACE_CHAR
      indent -= 1
    when TAB_CHAR
      raise StandardError, 'malformed tabs' if indent - tabsize < 0

      indent -= tabsize
    else
      break
    end

    count += 1
  end

  count
end

#blank? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bade/ruby_extensions/string.rb', line 17

def blank?
  strip.empty?
end

#get_indent(tabsize) ⇒ Int

Calculate indent for line

Parameters:

  • tabsize (Int)

Returns:

  • (Int) —

    indent size



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# File 'lib/bade/ruby_extensions/string.rb', line 87

def get_indent(tabsize)
  count = 0

  each_char do |char|
    if char == SPACE_CHAR
      count += 1
    elsif char == TAB_CHAR
      count += tabsize
    else
      break
    end
  end

  count
end

#remove_first(count = 1) ⇒ Object 



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# File 'lib/bade/ruby_extensions/string.rb', line 31

def remove_first(count = 1)
  slice(count, length - count)
end

#remove_first!(count = 1) ⇒ Object 



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# File 'lib/bade/ruby_extensions/string.rb', line 35

def remove_first!(count = 1)
  slice!(0, count)
end

#remove_indent(indent, tabsize) ⇒ Object

Remove indent

Parameters:

  • indent (Int)
  • tabsize (Int) 


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# File 'lib/bade/ruby_extensions/string.rb', line 66

def remove_indent(indent, tabsize)
  remove_first(__chars_count_for_indent(indent, tabsize))
end

#remove_indent!(indent, tabsize) ⇒ Object

Remove indent

Parameters:

  • indent (Int)
  • tabsize (Int) 


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# File 'lib/bade/ruby_extensions/string.rb', line 76

def remove_indent!(indent, tabsize)
  remove_first!(__chars_count_for_indent(indent, tabsize))
end

#remove_last(count = 1) ⇒ Object 



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# File 'lib/bade/ruby_extensions/string.rb', line 22

def remove_last(count = 1)
  slice(0, length - count)
end

#remove_last!(count = 1) ⇒ Object 



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# File 'lib/bade/ruby_extensions/string.rb', line 26

def remove_last!(count = 1)
  slice!(length - count, count)
end

#single_quote ⇒ String

Creates new string surrounded by single quotes

Returns:



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# File 'lib/bade/ruby_extensions/string.rb', line 12

def single_quote
  %('#{self}')
end

#strip_heredoc ⇒ String

source: apidock.com/rails/String/strip_heredoc

Returns:



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# File 'lib/bade/ruby_extensions/string.rb', line 106

def strip_heredoc
  min_val = scan(/^[ \t]*(?=\S)/).min
  indent = (min_val && min_val.size) || 0
  gsub(/^[ \t]{#{indent}}/, '')
end