Class: RGeo::CoordSys::CS::WKTParser::ArgumentList

Inherits:
Object
  • Object
show all
Defined in:
lib/rgeo/coord_sys/cs/wkt_parser.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ArgumentList

:nodoc:



211
212
213
 
# File 'lib/rgeo/coord_sys/cs/wkt_parser.rb', line 211

def initialize  # :nodoc:
  @values = []
end

Instance Method Details

#<<(value_) ⇒ Object

:nodoc:



215
216
217
 
# File 'lib/rgeo/coord_sys/cs/wkt_parser.rb', line 215

def <<(value_)  # :nodoc:
  @values << value_
end

#assert_empty ⇒ Object

:nodoc:



219
220
221
222
223
224
225
226
 
# File 'lib/rgeo/coord_sys/cs/wkt_parser.rb', line 219

def assert_empty # :nodoc:
  if @values.size > 0
    names_ = @values.map do |val_|
      val_.is_a?(Base) ? val_._wkt_typename : val_.inspect
    end
    raise Error::ParseError, "#{@values.size} unexpected arguments: #{names_.join(', ')}"
  end
end

#create_optionals ⇒ Object

:nodoc:



252
253
254
255
256
 
# File 'lib/rgeo/coord_sys/cs/wkt_parser.rb', line 252

def create_optionals  # :nodoc:
  hash_ = {}
  find_all(ExtensionClause).each { |ec_| hash_[ec_.key] = ec_.value }
  (find_first(AuthorityClause) || [nil, nil]).to_a + [nil, nil, nil, hash_]
end

#find_all(klass_) ⇒ Object

:nodoc:



238
239
240
241
242
243
244
245
246
247
248
249
250
 
# File 'lib/rgeo/coord_sys/cs/wkt_parser.rb', line 238

def find_all(klass_)  # :nodoc:
  results_ = []
  nvalues_ = []
  @values.each do |val_|
    if val_.is_a?(klass_)
      results_ << val_
    else
      nvalues_ << val_
    end
  end
  @values = nvalues_
  results_
end

#find_first(klass_) ⇒ Object

:nodoc:



228
229
230
231
232
233
234
235
236
 
# File 'lib/rgeo/coord_sys/cs/wkt_parser.rb', line 228

def find_first(klass_) # :nodoc:
  @values.each_with_index do |val_, index_|
    if val_.is_a?(klass_)
      @values.slice!(index_)
      return val_
    end
  end
  nil
end

#shift(klass_ = nil) ⇒ Object

:nodoc:



258
259
260
261
262
263
264
265
266
267
 
# File 'lib/rgeo/coord_sys/cs/wkt_parser.rb', line 258

def shift(klass_ = nil) # :nodoc:
  val_ = @values.shift
  unless val_
    raise Error::ParseError, "No arguments left... expected #{klass_}"
  end
  if klass_ && !val_.is_a?(klass_)
    raise Error::ParseError, "Expected #{klass_} but got #{val_.class}"
  end
  val_
end