module NestedStringParser

from_rows(rows, root=new_node) click to toggle source

rows is an array of arrays | A | B | C | | A | B | D | | A | E | F | | A | E | G | | B | H | J | | B | H | K |

same as

| A | B | C | | | | D | | | E | F | | | | G | | B | H | J | | | | K |

same as

A

B
  C
  D
E
  F
  G

B

H
  J
  K

# File lib/nested_string_parser.rb, line 49
def self.from_rows rows, root=new_node
  previous_row = []
  rows.each { |row|
    # row.inject(root) { |node, name| node.find(name) || (node.nb?(name) && node.nest_child(new_node name)) || node } }
    node = root
    row_has_a_name = false
    row.length.times { |i|
      cell_has_a_name = root.nb?(row[i])
      row_has_a_name ||= cell_has_a_name
      previous_row[i] = name = cell_has_a_name ? row[i] : (!row_has_a_name && previous_row[i])
      node = node.find(name) || (node.nb?(name) && node.nest_child(new_node name)) || node
    }
  }
  root
end

new_node(val=nil ;) click to toggle source

# File lib/nested_string_parser.rb, line 65
def self.new_node     val=nil ; NestedStringParser::Node.new.tap { |n| n.value = val }        ; end

parse(str ;) click to toggle source

# File lib/nested_string_parser.rb, line 66
def self.parse            str ; new_node.accept(*str.split(/\n/)).root                        ; end

patch(klass=::String ;) click to toggle source

# File lib/nested_string_parser.rb, line 68
def self.patch klass=::String ; klass.send :include, Extension                                ; end

Constants

Public Class Methods