Class: Delorean::BaseModule::BaseClass
- Inherits:
-
Object
- Object
- Delorean::BaseModule::BaseClass
- Defined in:
- lib/delorean/base.rb
Class Method Summary collapse
- ._err(*args) ⇒ Object
- ._get_attr(obj, attr, _e) ⇒ Object
- ._get_hash_attr(obj, attr, _e, index_call = false) ⇒ Object
- ._index(obj, args, _e) ⇒ Object
- ._instance_call(obj, method, args, _e, &block) ⇒ Object
- ._node_call(node, _e, params) ⇒ Object
- ._safe_navigation_get_attr(obj, attr, _e) ⇒ Object
- ._safe_navigation_instance_call(obj, method, args, _e, &block) ⇒ Object
- ._sanitize_hash(_e) ⇒ Object
Class Method Details
._err(*args) ⇒ Object
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# File 'lib/delorean/base.rb', line 186 def self._err(*args) ::Delorean::Ruby.error_handler.call(*args) end |
._get_attr(obj, attr, _e) ⇒ Object
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# File 'lib/delorean/base.rb', line 92 def self._get_attr(obj, attr, _e) # REALLY FIXME: this really needs to be another "when" in the # case statement below. However, Gemini appears to create Hash # objects when running Delorean modules in delayed jobs that # return true when we called obj.instance_of?(Hash) and do not # work with the "case/when" matcher!!! For now, this is a # hacky workaround. This is likely some sort of Ruby bug. return _get_hash_attr(obj, attr, _e) if obj.instance_of?(Hash) # NOTE: should keep this function consistent with _index case obj when nil # FIXME: even Javascript which is superpermissive raises an # exception on null getattr. return nil when NodeCall return obj.evaluate(attr) when OpenStruct return obj[attr.to_sym] when Class return obj.send((attr + POST).to_sym, _e) if obj < BaseClass end begin _instance_call(obj, attr, [], _e) rescue StandardError => exc raise( InvalidGetAttribute, "attr lookup failed: '#{attr}' on <#{obj.class}> #{obj} - #{exc}" ) end end |
._get_hash_attr(obj, attr, _e, index_call = false) ⇒ Object
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# File 'lib/delorean/base.rb', line 125 def self._get_hash_attr(obj, attr, _e, index_call = false) return obj[attr] if obj.key?(attr) return obj[attr.to_sym] if attr.is_a?(String) && obj.key?(attr.to_sym) # Shouldn't try to call the method if hash['length'] was called. return nil if index_call # Return nil when it's obviously not a method return nil unless attr.is_a?(String) || attr.is_a?(Symbol) # hash.length might be either hash['length'] or hash.length call. # If key is not found, check if object responds to method and call it. # If not succeeded, return nil, assuming that it was an attribute call. return nil unless obj.respond_to?(attr) begin _instance_call(obj, attr, [], _e) rescue StandardError nil end end |
._index(obj, args, _e) ⇒ Object
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# File 'lib/delorean/base.rb', line 150 def self._index(obj, args, _e) # NOTE: should keep this function consistent with _get_attr case obj when nil # FIXME: even Javascript which is superpermissive raises an # exception on null getattr. nil when Hash raise InvalidIndex unless args.length == 1 _get_hash_attr(obj, args[0], _e, true) when NodeCall, Class, OpenStruct raise InvalidIndex unless args.length == 1 _get_attr(obj, args[0], _e) when Array, String, MatchData raise InvalidIndex unless args.length <= 2 && args[0].is_a?(Integer) && (args[1].nil? || args[1].is_a?(Integer)) obj[*args] else raise InvalidIndex end end |
._instance_call(obj, method, args, _e, &block) ⇒ Object
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# File 'lib/delorean/base.rb', line 210 def self._instance_call(obj, method, args, _e, &block) begin msg = method.to_sym rescue NoMethodError raise "bad method #{method}" end if obj.is_a?(Class) || obj.is_a?(Module) matcher = ::Delorean::Ruby.whitelist.class_method_matcher( method_name: msg ) klass = obj else matcher = ::Delorean::Ruby.whitelist.matcher(method_name: msg) klass = obj.class end raise "no such method #{method}" unless matcher if matcher.match_to? if block return( _instance_call(obj, matcher.match_to, args, _e, &block) ) else return( _instance_call(obj, matcher.match_to, args, _e) ) end end matcher.match!(klass: klass, args: args) return obj.public_send(msg, *args) unless block obj.public_send(msg, *args, &block) end |
._node_call(node, _e, params) ⇒ Object
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# File 'lib/delorean/base.rb', line 190 def self._node_call(node, _e, params) context = _e[:_engine] # a node call is being called with amended args return node + params if node.is_a?(NodeCall) engine = node.is_a?(Class) && context.module_name != node.module_name ? context.get_import_engine(node.module_name) : context NodeCall.new(_e, engine, node || self, params) end |
._safe_navigation_get_attr(obj, attr, _e) ⇒ Object
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# File 'lib/delorean/base.rb', line 86 def self.(obj, attr, _e) return nil if obj.nil? _get_attr(obj, attr, _e) end |
._safe_navigation_instance_call(obj, method, args, _e, &block) ⇒ Object
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# File 'lib/delorean/base.rb', line 204 def self.(obj, method, args, _e, &block) return nil if obj.nil? _instance_call(obj, method, args, _e, &block) end |
._sanitize_hash(_e) ⇒ Object
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# File 'lib/delorean/base.rb', line 178 def self._sanitize_hash(_e) _e.each_with_object({}) do |(k, v), h| h[k] = v if k.is_a?(Integer) || k =~ /\A[a-z][A-Za-z0-9_]*\z/ end end |