Class: Neovim::Lines

Inherits:
Object show all
Includes:
Enumerable
Defined in:
lib/neovim/client.rb

Instance Method Summary collapse

Constructor Details

#initialize(client, range) ⇒ Lines

Returns a new instance of Lines.



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# File 'lib/neovim/client.rb', line 124

def initialize client, range
  case client
  when Buffer then @client, @buffer = client.client, client.index
  else             @client, @buffer = client,        0
  end
  @i, @last = range.begin, range.end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args, **kwargs, &block) ⇒ Object 



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# File 'lib/neovim/client.rb', line 136

def method_missing sym, *args, **kwargs, &block
  to_a.send sym, *args, **kwargs, &block
end

Instance Method Details

#each ⇒ Object Also known as: each_line 



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# File 'lib/neovim/client.rb', line 140

def each
  while @i <= @last do
    @inc = 1
    l, = @client.buf_get_lines @buffer, @i-1, @i, true
    yield l
    @i += @inc
  end
ensure
  @i = nil
end

#each_with_no ⇒ Object 



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# File 'lib/neovim/client.rb', line 152

def each_with_no
  each do |l|
    yield l, @i
  end
end

#map! ⇒ Object 



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# File 'lib/neovim/client.rb', line 158

def map!
  each do |l|
    h = l.hash
    m = yield l, @i
    r =
      case m
      when String     then m.lines unless m.hash == h
      when Enumerable then m.map { |l| l.to_s }
      when nil, false then []
      end
    if r then
      r.each { |l| l.chomp! }
      @client.buf_set_lines @buffer, @i-1, @i, true, r
      @inc = r.length
      @last += @inc-1
    end
  end
end

#to_s ⇒ Object 



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# File 'lib/neovim/client.rb', line 132

def to_s
  (@client.buf_get_lines @buffer, @i-1, @last, true).join $/
end