Class: EideticRML::Support::Grid

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cols, rows) ⇒ Grid

Returns a new instance of Grid.



61
62
63
64
 
# File 'lib/erml_support.rb', line 61

def initialize(cols, rows)
  @cols, @rows = cols, rows
  @cells = Array.new(cols * rows)
end

Instance Attribute Details

#cols ⇒ Object

Returns the value of attribute cols.



58
59
60
 
# File 'lib/erml_support.rb', line 58

def cols
  @cols
end

#rows ⇒ Object

Returns the value of attribute rows.



59
60
61
 
# File 'lib/erml_support.rb', line 59

def rows
  @rows
end

Instance Method Details

#[](col, row) ⇒ Object 



84
85
86
 
# File 'lib/erml_support.rb', line 84

def [](col, row)
  @cells[row * cols + col]
end

#[]=(col, row, value) ⇒ Object 



88
89
90
91
92
 
# File 'lib/erml_support.rb', line 88

def []=(col, row, value)
  self.rows = row + 1 if row >= rows
  self.cols = col + 1 if col >= cols
  @cells[row * cols + col] = value
end

#col(index) ⇒ Object 



94
95
96
97
98
 
# File 'lib/erml_support.rb', line 94

def col(index)
  result = []
  rows.times { |row| result << self[index, row] }
  result
end

#row(index) ⇒ Object 



100
101
102
 
# File 'lib/erml_support.rb', line 100

def row(index)
  @cells.slice(index * cols, cols)
end