Class: Rvim::Selection

Inherits:
Object
  • Object
show all
Defined in:
lib/rvim/selection.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#end_col ⇒ Object (readonly)

Returns the value of attribute end_col.



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# File 'lib/rvim/selection.rb', line 5

def end_col
  @end_col
end

#end_line ⇒ Object (readonly)

Returns the value of attribute end_line.



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# File 'lib/rvim/selection.rb', line 5

def end_line
  @end_line
end

#mode ⇒ Object (readonly)

Returns the value of attribute mode.



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# File 'lib/rvim/selection.rb', line 5

def mode
  @mode
end

#start_col ⇒ Object (readonly)

Returns the value of attribute start_col.



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# File 'lib/rvim/selection.rb', line 5

def start_col
  @start_col
end

#start_line ⇒ Object (readonly)

Returns the value of attribute start_line.



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# File 'lib/rvim/selection.rb', line 5

def start_line
  @start_line
end

Class Method Details

.from(mode, anchor, cursor, buffer_of_lines) ⇒ Object 



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# File 'lib/rvim/selection.rb', line 7

def self.from(mode, anchor, cursor, buffer_of_lines)
  al, ac = anchor
  cl, cc = cursor
  sel = allocate
  sel.send(:initialize_from, mode, al, ac, cl, cc, buffer_of_lines)
  sel
end

Instance Method Details

#blockwise? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rvim/selection.rb', line 23

def blockwise?
  @mode == :block
end

#charwise? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rvim/selection.rb', line 19

def charwise?
  @mode == :char
end

#each_segment(buffer_of_lines) ⇒ Object 



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# File 'lib/rvim/selection.rb', line 48

def each_segment(buffer_of_lines)
  (@start_line..@end_line).each do |li|
    line = buffer_of_lines[li] || ''
    case @mode
    when :line
      yield li, 0, line.bytesize
    when :char
      first = li == @start_line ? @start_col : 0
      last = li == @end_line ? @end_col + 1 : line.bytesize
      last = [last, line.bytesize].min
      first = [first, line.bytesize].min
      yield li, first, last
    when :block
      first = [@start_col, line.bytesize].min
      last = [@end_col + 1, line.bytesize].min
      yield li, first, last
    end
  end
end

#includes?(line, col) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rvim/selection.rb', line 27

def includes?(line, col)
  return false if line < @start_line || line > @end_line

  case @mode
  when :line
    true
  when :char
    if @start_line == @end_line
      col >= @start_col && col <= @end_col
    elsif line == @start_line
      col >= @start_col
    elsif line == @end_line
      col <= @end_col
    else
      true
    end
  when :block
    col >= @start_col && col <= @end_col
  end
end

#linewise? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rvim/selection.rb', line 15

def linewise?
  @mode == :line
end