class PrettyPrint::SingleLine

PrettyPrint::SingleLine is used by PrettyPrint.singleline_format

It is passed to be similar to a PrettyPrint object itself, by responding to:

but instead, the output has no line breaks

Public Class Methods

new (output, maxwidth=nil, newline=nil)

Create a PrettyPrint::SingleLine object

Arguments:

output - String (or similar) to store rendered text. Needs to respond to ‘<<’
maxwidth - Argument position expected to be here for compatibility.
```
This argument is a noop.
```
newline - Argument position expected to be here for compatibility.
```
This argument is a noop.
```

# File lib/prettyprint.rb, line 505
def initialize(output, maxwidth=nil, newline=nil)
  @output = output
  @first = [true]
end

Public Instance Methods

breakable (sep=' ', width=nil)

Appends sep to the text to be output. By default sep is ‘ ’

width argument is here for compatibility. It is a noop argument.

# File lib/prettyprint.rb, line 520
def breakable(sep=' ', width=nil)
  @output << sep
end

first? ()

This is used as a predicate, and ought to be called first.

# File lib/prettyprint.rb, line 552
def first?
  result = @first[-1]
  @first[-1] = false
  result
end

group (indent=nil, open_obj='', close_obj='', open_width=nil, close_width=nil) { || ... }

Opens a block for grouping objects to be pretty printed.

Arguments:

indent - noop argument. Present for compatibility.
open_obj - text appended before the &blok. Default is ”
close_obj - text appended after the &blok. Default is ”
open_width - noop argument. Present for compatibility.
close_width - noop argument. Present for compatibility.

# File lib/prettyprint.rb, line 539
def group(indent=nil, open_obj='', close_obj='', open_width=nil, close_width=nil)
  @first.push true
  @output << open_obj
  yield
  @output << close_obj
  @first.pop
end

text (obj, width=nil)

Add obj to the text to be output.

width argument is here for compatibility. It is a noop argument.

# File lib/prettyprint.rb, line 513
def text(obj, width=nil)
  @output << obj
end