Class: Prawn::Text::Formatted::LineWrap

Inherits:
Object
  • Object
show all
Defined in:
lib/prawn/text/formatted/line_wrap.rb

Overview

Implements individual line wrapping of formatted text.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#space_count ⇒ Integer (readonly)

The number of spaces in the last wrapped line.

Returns:

  • (Integer) 


19
20
21
 
# File 'lib/prawn/text/formatted/line_wrap.rb', line 19

def space_count
  @space_count
end

Instance Method Details

#paragraph_finished? ⇒ Boolean

Whether this line is the last line in the paragraph.

Returns:

  • (Boolean) 


24
25
26
 
# File 'lib/prawn/text/formatted/line_wrap.rb', line 24

def paragraph_finished?
  @newline_encountered || next_string_newline? || @arranger.finished?
end

#tokenize(fragment) ⇒ Array<String>

Break the fragment into tokens.

Parameters:

  • fragment (String)

Returns:

  • (Array<String>) 


32
33
34
 
# File 'lib/prawn/text/formatted/line_wrap.rb', line 32

def tokenize(fragment)
  fragment.scan(scan_pattern(fragment.encoding))
end

#width ⇒ Number

The width of the last wrapped line.

Returns:

  • (Number) 


13
14
15
 
# File 'lib/prawn/text/formatted/line_wrap.rb', line 13

def width
  @accumulated_width || 0
end

#wrap_line(options) ⇒ String

Work in conjunction with the Arranger defined in the ‘:arranger` option to determine what formatted text will fit within the width defined by the `:width` option.

Parameters:

  • options (Hash{Symbol => any})

Options Hash (options):

Returns:

  • (String) 


47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/prawn/text/formatted/line_wrap.rb', line 47

def wrap_line(options)
  initialize_line(options)

  # rubocop: disable Lint/AssignmentInCondition
  while fragment = @arranger.next_string
    # rubocop: enable Lint/AssignmentInCondition
    @fragment_output = +''

    fragment.lstrip! if first_fragment_on_this_line?(fragment)
    next if empty_line?(fragment)

    unless apply_font_settings_and_add_fragment_to_line(fragment)
      break
    end
  end
  @arranger.finalize_line
  @accumulated_width = @arranger.line_width
  @space_count = @arranger.space_count
  @arranger.line
end