class MODL::Parser::KeylistExtractor
Extracts an index definition from a ParsedPair
Public Class Methods
extract(pair, item)
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# File lib/modl/parser/modl_keylist.rb, line 29 def self.extract(pair, item) # the item must be an array of arrays pair.key_lists = [] last_keylist_len = 0 if item.is_a?(Parsed::ParsedValueItem) && item.value.is_a?(Parsed::ParsedValue) && item.value.array item.value.array.abstractArrayItems.each do |avi| key_list = [] avi.arrayValueItem.array.abstractArrayItems.each do |key| key_list << key.arrayValueItem.primitive.string.string if key.arrayValueItem.primitive.string key_list << key.arrayValueItem.primitive.number.num if key.arrayValueItem.primitive.number end if key_list.length > last_keylist_len last_keylist_len = key_list.length else raise InterpreterError, 'Error: Key lists in *assign are not in ascending order of list length: ' + key_list.to_s end pair.key_lists << key_list end elsif item.is_a?(Parsed::ParsedArray) item.abstractArrayItems.each do |avi| key_list = [] avi.arrayValueItem.array.abstractArrayItems.each do |key| key_list << key.arrayValueItem.primitive.string.string if key.arrayValueItem.primitive.string key_list << key.arrayValueItem.primitive.number.num if key.arrayValueItem.primitive.number end if key_list.length > last_keylist_len last_keylist_len = key_list.length else raise InterpreterError, 'Error: Key lists in *assign are not in ascending order of list length.' end pair.key_lists << key_list end elsif item.is_a?(Parsed::ParsedValueItem) && !item.value.nbArray.nil? item.value.nbArray.arrayItems.each do |avi| key_list = [] avi.arrayValueItem.array.abstractArrayItems.each do |key| key_list << key.arrayValueItem.primitive.string.string if key.arrayValueItem.primitive.string key_list << key.arrayValueItem.primitive.number.num if key.arrayValueItem.primitive.number end if key_list.length > last_keylist_len last_keylist_len = key_list.length else raise InterpreterError, 'Error: Key lists in *assign are not in ascending order of list length.' end pair.key_lists << key_list end else raise InterpreterError, 'Array of arrays expected for: ' + pair.key end end