Class: ParamsTree::Parser

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/params_tree/parser.rb', line 11

def initialize
  
# line 14 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rb"
class << self
  attr_accessor :_params_tree_actions
  private :_params_tree_actions, :_params_tree_actions=
end
self._params_tree_actions = [
  0, 2, 1, 7, 2, 1, 8, 3, 
  0, 1, 7, 3, 0, 1, 8, 5, 
  0, 1, 5, 2, 9, 6, 0, 1, 
  5, 2, 4, 10, 6, 0, 1, 6, 
  2, 3, 11
]

class << self
  attr_accessor :_params_tree_key_offsets
  private :_params_tree_key_offsets, :_params_tree_key_offsets=
end
self._params_tree_key_offsets = [
  0, 0, 3, 6
]

class << self
  attr_accessor :_params_tree_trans_keys
  private :_params_tree_trans_keys, :_params_tree_trans_keys=
end
self._params_tree_trans_keys = [
  40, 41, 44, 44, 40, 41, 40, 41, 
  44, 0
]

class << self
  attr_accessor :_params_tree_single_lengths
  private :_params_tree_single_lengths, :_params_tree_single_lengths=
end
self._params_tree_single_lengths = [
  0, 3, 1, 3
]

class << self
  attr_accessor :_params_tree_range_lengths
  private :_params_tree_range_lengths, :_params_tree_range_lengths=
end
self._params_tree_range_lengths = [
  0, 0, 1, 0
]

class << self
  attr_accessor :_params_tree_index_offsets
  private :_params_tree_index_offsets, :_params_tree_index_offsets=
end
self._params_tree_index_offsets = [
  0, 0, 4, 7
]

class << self
  attr_accessor :_params_tree_trans_targs
  private :_params_tree_trans_targs, :_params_tree_trans_targs=
end
self._params_tree_trans_targs = [
  2, 3, 2, 1, 0, 0, 1, 0, 
  3, 2, 1, 0
]

class << self
  attr_accessor :_params_tree_trans_actions
  private :_params_tree_trans_actions, :_params_tree_trans_actions=
end
self._params_tree_trans_actions = [
  28, 7, 15, 4, 0, 0, 11, 0, 
  1, 21, 11, 0
]

class << self
  attr_accessor :params_tree_start
end
self.params_tree_start = 2;
class << self
  attr_accessor :params_tree_first_final
end
self.params_tree_first_final = 2;
class << self
  attr_accessor :params_tree_error
end
self.params_tree_error = 0;

class << self
  attr_accessor :params_tree_en_main
end
self.params_tree_en_main = 2;


# line 30 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/params_tree/parser.rb', line 9

def data
  @data
end

Class Method Details

.parse(string) ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 338

def self.parse(string)
  self.new.parse(string)
end

Instance Method Details

#chars ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 306

def chars
  @data[@head..@tail]
end

#inject_key ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 326

def inject_key
  @hash[key] = {}
end

#key ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 322

def key
  @key.pack('c*')
end

#log(token) ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 314

def log(token)
  @log << { token => strokes }
end

#memo_key ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 318

def memo_key
  @key = chars
end

#parse(input) ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 107

def parse(input)
  input = input.to_s.gsub(/\s*/, '')
  return {} if input.size == 0
  @data = input.unpack('c*')
  stack = []

  @log = []
  @hash = {}
  @hash_stack = []
  @key = nil

  
# line 120 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rb"
begin
  p ||= 0
  pe ||= data.length
  cs = params_tree_start
  top = 0
end

# line 44 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
  
# line 130 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rb"
begin
  _klen, _trans, _keys, _acts, _nacts = nil
  _goto_level = 0
  _resume = 10
  _eof_trans = 15
  _again = 20
  _test_eof = 30
  _out = 40
  while true
  _trigger_goto = false
  if _goto_level <= 0
  if p == pe
    _goto_level = _test_eof
    next
  end
  if cs == 0
    _goto_level = _out
    next
  end
  end
  if _goto_level <= _resume
  _keys = _params_tree_key_offsets[cs]
  _trans = _params_tree_index_offsets[cs]
  _klen = _params_tree_single_lengths[cs]
  _break_match = false
  
  begin
    if _klen > 0
  _lower = _keys
  _upper = _keys + _klen - 1

  loop do
     break if _upper < _lower
     _mid = _lower + ( (_upper - _lower) >> 1 )

     if data[p].ord < _params_tree_trans_keys[_mid]
        _upper = _mid - 1
     elsif data[p].ord > _params_tree_trans_keys[_mid]
        _lower = _mid + 1
     else
        _trans += (_mid - _keys)
        _break_match = true
        break
     end
  end # loop
  break if _break_match
  _keys += _klen
  _trans += _klen
    end
    _klen = _params_tree_range_lengths[cs]
    if _klen > 0
  _lower = _keys
  _upper = _keys + (_klen << 1) - 2
  loop do
     break if _upper < _lower
     _mid = _lower + (((_upper-_lower) >> 1) & ~1)
     if data[p].ord < _params_tree_trans_keys[_mid]
       _upper = _mid - 2
     elsif data[p].ord > _params_tree_trans_keys[_mid+1]
       _lower = _mid + 2
     else
       _trans += ((_mid - _keys) >> 1)
       _break_match = true
       break
     end
  end # loop
  break if _break_match
  _trans += _klen
    end
  end while false
  cs = _params_tree_trans_targs[_trans]
  if _params_tree_trans_actions[_trans] != 0
    _acts = _params_tree_trans_actions[_trans]
    _nacts = _params_tree_actions[_acts]
    _acts += 1
    while _nacts > 0
      _nacts -= 1
      _acts += 1
      case _params_tree_actions[_acts - 1]
when 0 then
# line 3 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 @head = p    end
when 1 then
# line 4 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 @tail = p    end
when 2 then
# line 5 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 inject_key     end
when 3 then
# line 6 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 push     end
when 4 then
# line 7 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 pop    end
when 5 then
# line 9 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 log(:delimiter)    end
when 6 then
# line 10 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 log(:level)    end
when 7 then
# line 11 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 log(:end_level);     end
when 8 then
# line 12 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 log(:input); memo_key;     end
when 9 then
# line 17 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
 cs = 2;    end
when 10 then
# line 18 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
  begin
    top -= 1
    cs = stack[top]
    _trigger_goto = true
    _goto_level = _again
    break
  end
    end
when 11 then
# line 19 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"
    begin
  begin
    stack[top] = cs
    top+= 1
    cs = 2
    _trigger_goto = true
    _goto_level = _again
    break
  end
    end
# line 273 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rb"
      end # action switch
    end
  end
  if _trigger_goto
    next
  end
  end
  if _goto_level <= _again
  if cs == 0
    _goto_level = _out
    next
  end
  p += 1
  if p != pe
    _goto_level = _resume
    next
  end
  end
  if _goto_level <= _test_eof
  end
  if _goto_level <= _out
    break
  end
  end
  end

# line 45 "/Users/razum2um/Code/params_tree/lib/params_tree/parser.rl"

  inject_key # FIXME

  @hash_stack.first || @hash
end

#pop ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 334

def pop
  @hash = @hash_stack.pop
end

#push ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 330

def push
  @hash_stack.push @hash; @hash = @hash[key]
end

#strokes ⇒ Object 



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# File 'lib/params_tree/parser.rb', line 310

def strokes
  chars.pack('c*')
end