Class: Map
- Inherits:
-
Hash
- Object
- Hash
- Map
- Defined in:
- lib/map.rb,
lib/map/struct.rb,
lib/map/options.rb
Defined Under Namespace
Modules: Arguments, Options Classes: Struct
Constant Summary collapse
- Version =
'5.4.0'
- Load =
Kernel.method(:load)
- Dup =
instance_method(:dup)
Class Method Summary collapse
- .add_conversion_method!(method) ⇒ Object
- .allocate ⇒ Object
- .alphanumeric_key_for(key) ⇒ Object
- .blank?(value) ⇒ Boolean
- .breadth_first_each(enumerable, accum = [], &block) ⇒ Object
- .coerce(other) ⇒ Object
- .conversion_methods ⇒ Object
-
.convert_key(key) ⇒ Object
def self.convert_key(key) key.kind_of?(Symbol) ? key.to_s : key end.
- .convert_value(value) ⇒ Object
- .define_conversion_method!(method) ⇒ Object
-
.depth_first_each(enumerable, path = [], accum = [], &block) ⇒ Object
TODO - technically this returns only leaves so the name isn’t quite right.
- .depth_first_keys(enumerable, path = [], accum = [], &block) ⇒ Object
- .depth_first_values(enumerable, path = [], accum = [], &block) ⇒ Object
-
.dot_key_for(*keys) ⇒ Object
key path support.
- .dot_keys ⇒ Object
- .dot_keys!(boolean = true) ⇒ Object
- .dot_keys? ⇒ Boolean
-
.each_pair(*args, &block) ⇒ Object
iterate over arguments in pairs smartly.
- .for(*args, &block) ⇒ Object
-
.from_hash(hash, order = nil) ⇒ Object
support for building ordered hasshes from a map’s own image.
- .intersection(a, b) ⇒ Object
- .key_for(*keys) ⇒ Object
- .keys_for(enumerable) ⇒ Object
- .libdir(*args, &block) ⇒ Object
- .load(*args, &block) ⇒ Object
- .map_for(hash) ⇒ Object
- .match(haystack, needle) ⇒ Object
- .new(*args, &block) ⇒ Object (also: [])
- .options_for(*args, &block) ⇒ Object
- .options_for!(*args, &block) ⇒ Object
- .pairs_for(enumerable, *args, &block) ⇒ Object
- .struct(*args, &block) ⇒ Object
- .update_options_for!(args, &block) ⇒ Object
- .version ⇒ Object
Instance Method Summary collapse
- #<=>(other) ⇒ Object
-
#==(other) ⇒ Object
equality / sorting / matching support.
- #=~(hash) ⇒ Object
- #[](key) ⇒ Object
- #[]=(key, val) ⇒ Object (also: #store)
- #__get__ ⇒ Object
-
#__set__ ⇒ Object
writer/reader methods.
- #__update__ ⇒ Object
- #alphanumeric_key_for(key) ⇒ Object
- #apply(other) ⇒ Object
- #blank?(*keys) ⇒ Boolean
- #breadth_first_each(*args, &block) ⇒ Object
- #clear ⇒ Object
- #clone ⇒ Object
- #collection_has_key?(collection, key) ⇒ Boolean
- #contains(other) ⇒ Object (also: #contains?)
-
#conversion_methods ⇒ Object
conversions.
- #convert(key, val) ⇒ Object
- #convert_key(key) ⇒ Object
- #convert_value(value) ⇒ Object (also: #convert_val)
- #copy ⇒ Object
- #default(key = nil) ⇒ Object
- #default=(value) ⇒ Object
-
#delete(key) ⇒ Object
mutators.
- #delete_if ⇒ Object
- #depth_first_each(*args, &block) ⇒ Object
- #depth_first_keys(*args, &block) ⇒ Object
- #depth_first_values(*args, &block) ⇒ Object
- #deserialize(object) ⇒ Object
- #dot_keys!(boolean = true) ⇒ Object
- #dot_keys? ⇒ Boolean
- #dup ⇒ Object
- #each ⇒ Object (also: #each_pair)
- #each_key ⇒ Object
- #each_value ⇒ Object
-
#each_with_index ⇒ Object
iterator methods.
-
#extractable_options? ⇒ Boolean
for rails’ extract_options! compat.
- #fetch(key, *args, &block) ⇒ Object
- #first ⇒ Object
- #forcing(forcing = nil, &block) ⇒ Object
- #forcing?(forcing = nil) ⇒ Boolean
-
#get(*keys) ⇒ Object
support for compound key indexing and depth first iteration.
- #has?(*keys) ⇒ Boolean
- #id ⇒ Object
-
#initialize(*args, &block) ⇒ Map
constructor
A new instance of Map.
- #initialize_from_array(array) ⇒ Object
- #initialize_from_hash(hash) ⇒ Object
- #inspect(*args, &block) ⇒ Object
- #invert ⇒ Object
- #key?(key) ⇒ Boolean (also: #include?, #has_key?, #member?)
- #key_for(*keys) ⇒ Object
-
#keys ⇒ Object
instance constructor.
-
#klass ⇒ Object
support methods.
- #last ⇒ Object
- #map_for(hash) ⇒ Object
- #merge(*args) ⇒ Object
-
#method_missing(*args, &block) ⇒ Object
a sane method missing that only supports writing values or reading *previously set* values.
- #pop ⇒ Object
- #push(*args) ⇒ Object
- #reject(&block) ⇒ Object
- #reject!(&block) ⇒ Object
-
#reorder(order = {}) ⇒ Object
reordering support.
- #reorder!(order = {}) ⇒ Object
- #replace(*args) ⇒ Object
- #respond_to?(method, *args, &block) ⇒ Boolean
- #reverse_merge(hash) ⇒ Object
- #reverse_merge!(hash) ⇒ Object
- #rm(*args) ⇒ Object
- #select ⇒ Object
-
#serialize(object) ⇒ Object
for mongoid type system support.
- #set(*args) ⇒ Object
-
#shift ⇒ Object
ordered container specific methods.
- #stringify_keys ⇒ Object
-
#stringify_keys! ⇒ Object
oh rails - would that map.rb existed before all this non-sense…
- #struct ⇒ Object
- #symbolize_keys ⇒ Object
- #symbolize_keys! ⇒ Object
- #to_array ⇒ Object (also: #to_a)
- #to_hash ⇒ Object
- #to_list ⇒ Object
- #to_options ⇒ Object
- #to_options! ⇒ Object
- #to_s ⇒ Object
- #to_yaml(opts = {}) ⇒ Object
- #unshift(*args) ⇒ Object
- #update(*args) ⇒ Object (also: #merge!)
- #values ⇒ Object (also: #vals)
- #values_at(*keys) ⇒ Object
- #with_indifferent_access ⇒ Object
- #with_indifferent_access! ⇒ Object
Constructor Details
#initialize(*args, &block) ⇒ Map
Returns a new instance of Map.
180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 |
# File 'lib/map.rb', line 180 def initialize(*args, &block) case args.size when 0 super(&block) when 1 first = args.first case first when nil, false nil when Hash initialize_from_hash(first) when Array initialize_from_array(first) else if first.respond_to?(:to_hash) initialize_from_hash(first.to_hash) else initialize_from_hash(first) end end else initialize_from_array(args) end end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(*args, &block) ⇒ Object
a sane method missing that only supports writing values or reading *previously set* values
608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 |
# File 'lib/map.rb', line 608 def method_missing(*args, &block) method = args.first.to_s case method when /=$/ key = args.shift.to_s.chomp('=') value = args.shift self[key] = value when /\?$/ key = args.shift.to_s.chomp('?') self.has?( key ) else key = method unless has_key?(key) return(block ? fetch(key, &block) : super(*args)) end self[key] end end |
Class Method Details
.add_conversion_method!(method) ⇒ Object
88 89 90 91 92 93 94 95 96 97 98 99 100 101 |
# File 'lib/map.rb', line 88 def add_conversion_method!(method) if define_conversion_method!(method) method = method.to_s.strip raise ArguementError if method.empty? module_eval(<<-__, __FILE__, __LINE__) unless conversion_methods.include?(#{ method.inspect }) conversion_methods.unshift(#{ method.inspect }) end __ true else false end end |
.allocate ⇒ Object
29 30 31 32 33 34 |
# File 'lib/map.rb', line 29 def allocate super.instance_eval do @keys = [] self end end |
.alphanumeric_key_for(key) ⇒ Object
827 828 829 830 |
# File 'lib/map.rb', line 827 def Map.alphanumeric_key_for(key) return key if Numeric===key key.to_s =~ %r/^\d+$/ ? Integer(key) : key end |
.blank?(value) ⇒ Boolean
696 697 698 699 700 701 702 703 704 705 706 707 708 709 |
# File 'lib/map.rb', line 696 def Map.blank?(value) return value.blank? if value.respond_to?(:blank?) case value when String value.strip.empty? when Numeric value == 0 when false true else value.respond_to?(:empty?) ? value.empty? : !value end end |
.breadth_first_each(enumerable, accum = [], &block) ⇒ Object
934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 |
# File 'lib/map.rb', line 934 def Map.breadth_first_each(enumerable, accum = [], &block) levels = [] keys = Map.depth_first_keys(enumerable) keys.each do |key| key.size.times do |i| k = key.slice(0, i + 1) level = k.size - 1 levels[level] ||= Array.new last = levels[level].last levels[level].push(k) unless last == k end end levels.each do |level| level.each do |key| val = enumerable.get(key) block ? block.call(key, val) : accum.push([key, val]) end end block ? enumerable : accum end |
.coerce(other) ⇒ Object
50 51 52 53 54 55 56 57 |
# File 'lib/map.rb', line 50 def coerce(other) case other when Map other else allocate.update(other.to_hash) end end |
.conversion_methods ⇒ Object
59 60 61 62 63 64 65 66 67 68 69 70 71 |
# File 'lib/map.rb', line 59 def conversion_methods @conversion_methods ||= ( map_like = ancestors.select{|ancestor| ancestor <= Map} type_names = map_like.map do |ancestor| name = ancestor.name.to_s.strip next if name.empty? name.downcase.gsub(/::/, '_') end.compact list = type_names.map{|type_name| "to_#{ type_name }"} list.each{|method| define_conversion_method!(method)} list ) end |
.convert_key(key) ⇒ Object
def self.convert_key(key)
key.kind_of?(Symbol) ? key.to_s : key
end
239 240 241 |
# File 'lib/map.rb', line 239 def self.convert_key(key) key = key.kind_of?(Symbol) ? key.to_s : key end |
.convert_value(value) ⇒ Object
251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 |
# File 'lib/map.rb', line 251 def self.convert_value(value) conversion_methods.each do |method| #return convert_value(value.send(method)) if value.respond_to?(method) hashlike = value.is_a?(Hash) if hashlike and value.respond_to?(method) value = value.send(method) break end end case value when Hash coerce(value) when Array value.map{|v| convert_value(v)} else value end end |
.define_conversion_method!(method) ⇒ Object
73 74 75 76 77 78 79 80 81 82 83 84 85 86 |
# File 'lib/map.rb', line 73 def define_conversion_method!(method) method = method.to_s.strip raise ArguementError if method.empty? module_eval(<<-__, __FILE__, __LINE__) unless public_method_defined?(#{ method.inspect }) def #{ method } self end true else false end __ end |
.depth_first_each(enumerable, path = [], accum = [], &block) ⇒ Object
TODO - technically this returns only leaves so the name isn’t quite right. re-factor for 3.0
883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 |
# File 'lib/map.rb', line 883 def Map.depth_first_each(enumerable, path = [], accum = [], &block) Map.pairs_for(enumerable) do |key, val| path.push(key) if((val.is_a?(Hash) or val.is_a?(Array)) and not val.empty?) Map.depth_first_each(val, path, accum) else accum << [path.dup, val] end path.pop() end if block accum.each{|keys, val| block.call(keys, val)} else accum end end |
.depth_first_keys(enumerable, path = [], accum = [], &block) ⇒ Object
900 901 902 903 904 |
# File 'lib/map.rb', line 900 def Map.depth_first_keys(enumerable, path = [], accum = [], &block) accum = Map.depth_first_each(enumerable, path = [], accum = [], &block) accum.map!{|kv| kv.first} accum end |
.depth_first_values(enumerable, path = [], accum = [], &block) ⇒ Object
906 907 908 909 910 |
# File 'lib/map.rb', line 906 def Map.depth_first_values(enumerable, path = [], accum = [], &block) accum = Map.depth_first_each(enumerable, path = [], accum = [], &block) accum.map!{|kv| kv.last} accum end |
.dot_key_for(*keys) ⇒ Object
key path support
838 839 840 841 |
# File 'lib/map.rb', line 838 def self.dot_key_for(*keys) dot = keys.compact.flatten.join('.') dot.split(%r/\s*[,.]\s*/).map{|part| part =~ %r/^\d+$/ ? Integer(part) : part} end |
.dot_keys ⇒ Object
843 844 845 846 |
# File 'lib/map.rb', line 843 def self.dot_keys @@dot_keys = {} unless defined?(@@dot_keys) @@dot_keys end |
.dot_keys!(boolean = true) ⇒ Object
860 861 862 |
# File 'lib/map.rb', line 860 def self.dot_keys!(boolean = true) dot_keys[self] = !!boolean end |
.dot_keys? ⇒ Boolean
848 849 850 851 852 853 |
# File 'lib/map.rb', line 848 def self.dot_keys? ancestors.each do |ancestor| return dot_keys[ancestor] if dot_keys.has_key?(ancestor) end false end |
.each_pair(*args, &block) ⇒ Object
iterate over arguments in pairs smartly.
105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 |
# File 'lib/map.rb', line 105 def each_pair(*args, &block) size = args.size parity = size % 2 == 0 ? :even : :odd first = args.first if block.nil? result = [] block = lambda{|*kv| result.push(kv)} else result = args end return args if size == 0 if size == 1 conversion_methods.each do |method| if first.respond_to?(method) first = first.send(method) break end end if first.respond_to?(:each_pair) first.each_pair do |key, val| block.call(key, val) end return args end if first.respond_to?(:each_slice) first.each_slice(2) do |key, val| block.call(key, val) end return args end raise(ArgumentError, 'odd number of arguments for Map') end array_of_pairs = args.all?{|a| a.is_a?(Array) and a.size == 2} if array_of_pairs args.each do |pair| key, val, *ignored = pair block.call(key, val) end else 0.step(args.size - 1, 2) do |a| key = args[a] val = args[a + 1] block.call(key, val) end end args end |
.for(*args, &block) ⇒ Object
43 44 45 46 47 48 |
# File 'lib/map.rb', line 43 def for(*args, &block) if(args.size == 1 and block.nil?) return args.first if args.first.class == self end new(*args, &block) end |
.from_hash(hash, order = nil) ⇒ Object
support for building ordered hasshes from a map’s own image
512 513 514 515 516 |
# File 'lib/map.rb', line 512 def Map.from_hash(hash, order = nil) map = Map.for(hash) map.reorder!(order) if order map end |
.intersection(a, b) ⇒ Object
163 164 165 166 167 |
# File 'lib/map.rb', line 163 def intersection(a, b) a, b, i = Map.for(a), Map.for(b), Map.new a.depth_first_each{|key, val| i.set(key, val) if b.has?(key)} i end |
.key_for(*keys) ⇒ Object
868 869 870 871 |
# File 'lib/map.rb', line 868 def self.key_for(*keys) return keys.flatten unless dot_keys? self.dot_key_for(*keys) end |
.keys_for(enumerable) ⇒ Object
959 960 961 |
# File 'lib/map.rb', line 959 def Map.keys_for(enumerable) keys = enumerable.respond_to?(:keys) ? enumerable.keys : Array.new(enumerable.size){|i| i} end |
.libdir(*args, &block) ⇒ Object
11 12 13 14 15 16 17 18 19 20 21 22 23 |
# File 'lib/map.rb', line 11 def libdir(*args, &block) @libdir ||= File.(__FILE__).sub(/\.rb$/,'') libdir = args.empty? ? @libdir : File.join(@libdir, *args.map{|arg| arg.to_s}) ensure if block begin $LOAD_PATH.unshift(libdir) unless $LOAD_PATH.first==libdir module_eval(&block) ensure $LOAD_PATH.shift() if $LOAD_PATH.first==libdir end end end |
.load(*args, &block) ⇒ Object
25 26 27 |
# File 'lib/map.rb', line 25 def load(*args, &block) libdir{ Load.call(*args, &block) } end |
.map_for(hash) ⇒ Object
224 225 226 227 228 |
# File 'lib/map.rb', line 224 def Map.map_for(hash) map = klass.coerce(hash) map.default = hash.default map end |
.match(haystack, needle) ⇒ Object
169 170 171 |
# File 'lib/map.rb', line 169 def match(haystack, needle) intersection(haystack, needle) == needle end |
.new(*args, &block) ⇒ Object Also known as: []
36 37 38 39 40 41 |
# File 'lib/map.rb', line 36 def new(*args, &block) allocate.instance_eval do initialize(*args, &block) self end end |
.options_for(*args, &block) ⇒ Object
160 161 162 |
# File 'lib/map/options.rb', line 160 def Map.(*args, &block) Map::Options.for(*args, &block) end |
.options_for!(*args, &block) ⇒ Object
164 165 166 |
# File 'lib/map/options.rb', line 164 def Map.(*args, &block) Map::Options.for(*args, &block).pop end |
.pairs_for(enumerable, *args, &block) ⇒ Object
912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 |
# File 'lib/map.rb', line 912 def Map.pairs_for(enumerable, *args, &block) if block.nil? pairs, block = [], lambda{|*pair| pairs.push(pair)} else pairs = false end result = case enumerable when Hash enumerable.each_pair(*args, &block) when Array enumerable.each_with_index(*args) do |val, key| block.call(key, val) end else enumerable.each_pair(*args, &block) end pairs ? pairs : result end |
.struct(*args, &block) ⇒ Object
49 50 51 |
# File 'lib/map/struct.rb', line 49 def Map.struct(*args, &block) new(*args, &block).struct end |
Instance Method Details
#<=>(other) ⇒ Object
486 487 488 489 490 |
# File 'lib/map.rb', line 486 def <=>(other) cmp = keys <=> klass.coerce(other).keys return cmp unless cmp.zero? values <=> klass.coerce(other).values end |
#==(other) ⇒ Object
equality / sorting / matching support
472 473 474 475 476 477 478 479 480 481 482 483 484 |
# File 'lib/map.rb', line 472 def ==(other) case other when Map return false if keys != other.keys super(other) when Hash self == Map.from_hash(other, self) else false end end |
#=~(hash) ⇒ Object
492 493 494 |
# File 'lib/map.rb', line 492 def =~(hash) to_hash == klass.coerce(hash).to_hash end |
#[](key) ⇒ Object
324 325 326 327 |
# File 'lib/map.rb', line 324 def [](key) key = convert_key(key) __get__(key) end |
#[]=(key, val) ⇒ Object Also known as: store
317 318 319 320 321 |
# File 'lib/map.rb', line 317 def []=(key, val) key, val = convert(key, val) keys.push(key) unless has_key?(key) __set__(key, val) end |
#__get__ ⇒ Object
314 |
# File 'lib/map.rb', line 314 alias_method '__get__', '[]' |
#__set__ ⇒ Object
writer/reader methods
313 |
# File 'lib/map.rb', line 313 alias_method '__set__', '[]=' |
#__update__ ⇒ Object
315 |
# File 'lib/map.rb', line 315 alias_method '__update__', 'update' |
#alphanumeric_key_for(key) ⇒ Object
832 833 834 |
# File 'lib/map.rb', line 832 def alphanumeric_key_for(key) Map.alphanumeric_key_for(key) end |
#apply(other) ⇒ Object
820 821 822 823 824 825 |
# File 'lib/map.rb', line 820 def apply(other) Map.for(other).depth_first_each do |keys, value| set(keys => value) unless !get(keys).nil? end self end |
#blank?(*keys) ⇒ Boolean
691 692 693 694 |
# File 'lib/map.rb', line 691 def blank?(*keys) return empty? if keys.empty? !has?(*keys) or Map.blank?(get(*keys)) end |
#breadth_first_each(*args, &block) ⇒ Object
975 976 977 |
# File 'lib/map.rb', line 975 def breadth_first_each(*args, &block) Map.breadth_first_each(enumerable=self, *args, &block) end |
#clear ⇒ Object
411 412 413 414 |
# File 'lib/map.rb', line 411 def clear keys.clear super end |
#clone ⇒ Object
299 300 301 |
# File 'lib/map.rb', line 299 def clone copy end |
#collection_has_key?(collection, key) ⇒ Boolean
711 712 713 714 715 716 717 718 719 |
# File 'lib/map.rb', line 711 def collection_has_key?(collection, key) case collection when Hash collection.has_key?(key) when Array return false unless key (0...collection.size).include?(Integer(key)) end end |
#contains(other) ⇒ Object Also known as: contains?
979 980 981 982 983 |
# File 'lib/map.rb', line 979 def contains(other) other = other.is_a?(Hash) ? Map.coerce(other) : other breadth_first_each{|key, value| return true if value == other} return false end |
#conversion_methods ⇒ Object
conversions
547 548 549 |
# File 'lib/map.rb', line 547 def conversion_methods self.class.conversion_methods end |
#convert(key, val) ⇒ Object
279 280 281 |
# File 'lib/map.rb', line 279 def convert(key, val) [convert_key(key), convert_value(val)] end |
#convert_key(key) ⇒ Object
243 244 245 246 247 248 249 |
# File 'lib/map.rb', line 243 def convert_key(key) if klass.respond_to?(:convert_key) klass.convert_key(key) else Map.convert_key(key) end end |
#convert_value(value) ⇒ Object Also known as: convert_val
270 271 272 273 274 275 276 |
# File 'lib/map.rb', line 270 def convert_value(value) if klass.respond_to?(:convert_value) klass.convert_value(value) else Map.convert_value(value) end end |
#copy ⇒ Object
283 284 285 286 287 288 289 290 291 |
# File 'lib/map.rb', line 283 def copy default = self.default self.default = nil copy = Marshal.load(Marshal.dump(self)) rescue Dup.bind(self).call() copy.default = default copy ensure self.default = default end |
#default(key = nil) ⇒ Object
303 304 305 |
# File 'lib/map.rb', line 303 def default(key = nil) key.is_a?(Symbol) && include?(key = key.to_s) ? self[key] : super end |
#default=(value) ⇒ Object
307 308 309 |
# File 'lib/map.rb', line 307 def default=(value) raise ArgumentError.new("Map doesn't work so well with a non-nil default value!") unless value.nil? end |
#delete(key) ⇒ Object
mutators
405 406 407 408 409 |
# File 'lib/map.rb', line 405 def delete(key) key = convert_key(key) keys.delete(key) super(key) end |
#delete_if ⇒ Object
416 417 418 419 420 421 |
# File 'lib/map.rb', line 416 def delete_if to_delete = [] keys.each{|key| to_delete.push(key) if yield(key)} to_delete.each{|key| delete(key)} self end |
#depth_first_each(*args, &block) ⇒ Object
963 964 965 |
# File 'lib/map.rb', line 963 def depth_first_each(*args, &block) Map.depth_first_each(enumerable=self, *args, &block) end |
#depth_first_keys(*args, &block) ⇒ Object
967 968 969 |
# File 'lib/map.rb', line 967 def depth_first_keys(*args, &block) Map.depth_first_keys(enumerable=self, *args, &block) end |
#depth_first_values(*args, &block) ⇒ Object
971 972 973 |
# File 'lib/map.rb', line 971 def depth_first_values(*args, &block) Map.depth_first_values(enumerable=self, *args, &block) end |
#deserialize(object) ⇒ Object
998 999 1000 |
# File 'lib/map.rb', line 998 def deserialize(object) ::Map.for(object) end |
#dot_keys!(boolean = true) ⇒ Object
864 865 866 |
# File 'lib/map.rb', line 864 def dot_keys!(boolean = true) @dot_keys = !!boolean end |
#dot_keys? ⇒ Boolean
855 856 857 858 |
# File 'lib/map.rb', line 855 def dot_keys? @dot_keys = false unless defined?(@dot_keys) @dot_keys end |
#dup ⇒ Object
295 296 297 |
# File 'lib/map.rb', line 295 def dup copy end |
#each ⇒ Object Also known as: each_pair
397 398 399 400 |
# File 'lib/map.rb', line 397 def each keys.each{|key| yield(key, self[key])} self end |
#each_key ⇒ Object
387 388 389 390 |
# File 'lib/map.rb', line 387 def each_key keys.each{|key| yield(key)} self end |
#each_value ⇒ Object
392 393 394 395 |
# File 'lib/map.rb', line 392 def each_value keys.each{|key| yield self[key]} self end |
#each_with_index ⇒ Object
iterator methods
382 383 384 385 |
# File 'lib/map.rb', line 382 def each_with_index keys.each_with_index{|key, index| yield([key, self[key]], index)} self end |
#extractable_options? ⇒ Boolean
for rails’ extract_options! compat
988 989 990 |
# File 'lib/map.rb', line 988 def true end |
#fetch(key, *args, &block) ⇒ Object
329 330 331 332 |
# File 'lib/map.rb', line 329 def fetch(key, *args, &block) key = convert_key(key) super(key, *args, &block) end |
#first ⇒ Object
372 373 374 |
# File 'lib/map.rb', line 372 def first [keys.first, self[keys.first]] end |
#forcing(forcing = nil, &block) ⇒ Object
799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 |
# File 'lib/map.rb', line 799 def forcing(forcing=nil, &block) @forcing ||= nil if block begin previous = @forcing @forcing = forcing block.call() ensure @forcing = previous end else @forcing end end |
#forcing?(forcing = nil) ⇒ Boolean
815 816 817 818 |
# File 'lib/map.rb', line 815 def forcing?(forcing=nil) @forcing ||= nil @forcing == forcing end |
#get(*keys) ⇒ Object
support for compound key indexing and depth first iteration
641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 |
# File 'lib/map.rb', line 641 def get(*keys) keys = key_for(keys) if keys.size <= 1 if !self.has_key?(keys.first) && block_given? return yield else return self[keys.first] end end keys, key = keys[0..-2], keys[-1] collection = self keys.each do |k| k = alphanumeric_key_for(k) if collection_has_key?(collection, k) collection = collection[k] else collection = nil end unless collection.respond_to?('[]') leaf = collection return leaf end end alphanumeric_key = alphanumeric_key_for(key) if !collection_has_key?(collection, alphanumeric_key) && block_given? yield else collection[alphanumeric_key] end end |
#has?(*keys) ⇒ Boolean
673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 |
# File 'lib/map.rb', line 673 def has?(*keys) keys = key_for(keys) collection = self return collection_has_key?(collection, keys.first) if keys.size <= 1 keys, key = keys[0..-2], keys[-1] keys.each do |k| k = alphanumeric_key_for(k) if collection_has_key?(collection, k) collection = collection[k] else collection = nil end return collection unless collection.respond_to?('[]') end return false unless(collection.is_a?(Hash) or collection.is_a?(Array)) collection_has_key?(collection, alphanumeric_key_for(key)) end |
#id ⇒ Object
633 634 635 636 637 |
# File 'lib/map.rb', line 633 def id return self[:id] if has_key?(:id) return self[:_id] if has_key?(:_id) raise NoMethodError end |
#initialize_from_array(array) ⇒ Object
213 214 215 216 |
# File 'lib/map.rb', line 213 def initialize_from_array(array) map = self Map.each_pair(array){|key, val| map[key] = val} end |
#initialize_from_hash(hash) ⇒ Object
207 208 209 210 211 |
# File 'lib/map.rb', line 207 def initialize_from_hash(hash) map = self map.update(hash) map.default = hash.default end |
#inspect(*args, &block) ⇒ Object
540 541 542 543 |
# File 'lib/map.rb', line 540 def inspect(*args, &block) require 'pp' unless defined?(PP) PP.pp(self, '') end |
#invert ⇒ Object
518 519 520 521 522 523 |
# File 'lib/map.rb', line 518 def invert inverted = klass.allocate inverted.default = self.default keys.each{|key| inverted[self[key]] = key } inverted end |
#key?(key) ⇒ Boolean Also known as: include?, has_key?, member?
334 335 336 |
# File 'lib/map.rb', line 334 def key?(key) super(convert_key(key)) end |
#key_for(*keys) ⇒ Object
873 874 875 876 877 878 879 |
# File 'lib/map.rb', line 873 def key_for(*keys) if dot_keys? self.class.dot_key_for(*keys) else self.class.key_for(*keys) end end |
#keys ⇒ Object
instance constructor
176 177 178 |
# File 'lib/map.rb', line 176 def keys @keys ||= [] end |
#klass ⇒ Object
support methods
220 221 222 |
# File 'lib/map.rb', line 220 def klass self.class end |
#last ⇒ Object
376 377 378 |
# File 'lib/map.rb', line 376 def last [keys.last, self[keys.last]] end |
#map_for(hash) ⇒ Object
229 230 231 |
# File 'lib/map.rb', line 229 def map_for(hash) klass.map_for(hash) end |
#merge(*args) ⇒ Object
347 348 349 |
# File 'lib/map.rb', line 347 def merge(*args) copy.update(*args) end |
#pop ⇒ Object
462 463 464 465 466 467 468 |
# File 'lib/map.rb', line 462 def pop unless empty? key = keys.last val = delete(key) [key, val] end end |
#push(*args) ⇒ Object
450 451 452 453 454 455 456 457 458 459 460 |
# File 'lib/map.rb', line 450 def push(*args) Map.each_pair(*args) do |key, val| if key?(key) delete(key) else keys.push(key) end __set__(key, val) end self end |
#reject(&block) ⇒ Object
525 526 527 |
# File 'lib/map.rb', line 525 def reject(&block) dup.delete_if(&block) end |
#reject!(&block) ⇒ Object
529 530 531 532 |
# File 'lib/map.rb', line 529 def reject!(&block) hash = reject(&block) self == hash ? nil : hash end |
#reorder(order = {}) ⇒ Object
reordering support
498 499 500 501 502 503 504 |
# File 'lib/map.rb', line 498 def reorder(order = {}) order = Map.for(order) map = Map.new keys = order.depth_first_keys | depth_first_keys keys.each{|key| map.set(key, get(key))} map end |
#reorder!(order = {}) ⇒ Object
506 507 508 |
# File 'lib/map.rb', line 506 def reorder!(order = {}) replace(reorder(order)) end |
#replace(*args) ⇒ Object
423 424 425 426 |
# File 'lib/map.rb', line 423 def replace(*args) clear update(*args) end |
#respond_to?(method, *args, &block) ⇒ Boolean
627 628 629 630 631 |
# File 'lib/map.rb', line 627 def respond_to?(method, *args, &block) has_key = has_key?(method) setter = method.to_s =~ /=\Z/o !!((!has_key and setter) or has_key or super) end |
#reverse_merge(hash) ⇒ Object
351 352 353 354 355 |
# File 'lib/map.rb', line 351 def reverse_merge(hash) map = copy hash.each{|key, val| map[key] = val unless map.key?(key)} map end |
#reverse_merge!(hash) ⇒ Object
357 358 359 |
# File 'lib/map.rb', line 357 def reverse_merge!(hash) replace(reverse_merge(hash)) end |
#rm(*args) ⇒ Object
772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 |
# File 'lib/map.rb', line 772 def rm(*args) paths, path = args.partition{|arg| arg.is_a?(Array)} paths.push(path) paths.each do |path| if path.size == 1 delete(*path) next end branch, leaf = path[0..-2], path[-1] collection = get(branch) case collection when Hash key = leaf collection.delete(key) when Array index = leaf collection.delete_at(index) else raise(IndexError, "(#{ collection.inspect }).rm(#{ path.inspect })") end end paths end |
#select ⇒ Object
534 535 536 537 538 |
# File 'lib/map.rb', line 534 def select array = [] each{|key, val| array << [key,val] if yield(key, val)} array end |
#serialize(object) ⇒ Object
for mongoid type system support
994 995 996 |
# File 'lib/map.rb', line 994 def serialize(object) ::Map.for(object) end |
#set(*args) ⇒ Object
721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 |
# File 'lib/map.rb', line 721 def set(*args) if args.size == 1 and args.first.is_a?(Hash) spec = args.shift else spec = {} value = args.pop keys = args spec[keys] = value end spec.each do |keys, value| keys = Array(keys).flatten collection = self keys = key_for(keys) if keys.size <= 1 key = keys.first collection[key] = value next end key = nil keys.each_cons(2) do |a, b| a, b = alphanumeric_key_for(a), alphanumeric_key_for(b) exists = collection_has_key?(collection, a) case b when Numeric #collection[a] ||= [] collection[a] = [] unless exists raise(IndexError, "(#{ collection.inspect })[#{ a.inspect }]=#{ value.inspect }") unless collection[a].is_a?(Array) when String, Symbol #collection[a] ||= {} collection[a] = {} unless exists raise(IndexError, "(#{ collection.inspect })[#{ a.inspect }]=#{ value.inspect }") unless collection[a].is_a?(Hash) end collection = collection[a] key = b end collection[key] = value end return spec.values end |
#shift ⇒ Object
ordered container specific methods
430 431 432 433 434 435 436 |
# File 'lib/map.rb', line 430 def shift unless empty? key = keys.first val = delete(key) [key, val] end end |
#stringify_keys ⇒ Object
597 |
# File 'lib/map.rb', line 597 def stringify_keys; dup end |
#stringify_keys! ⇒ Object
oh rails - would that map.rb existed before all this non-sense…
596 |
# File 'lib/map.rb', line 596 def stringify_keys!; self end |
#struct ⇒ Object
45 46 47 |
# File 'lib/map/struct.rb', line 45 def struct @struct ||= Struct.new(map=self) end |
#symbolize_keys ⇒ Object
599 |
# File 'lib/map.rb', line 599 def symbolize_keys; dup end |
#symbolize_keys! ⇒ Object
598 |
# File 'lib/map.rb', line 598 def symbolize_keys!; self end |
#to_array ⇒ Object Also known as: to_a
575 576 577 578 579 |
# File 'lib/map.rb', line 575 def to_array array = [] each{|*pair| array.push(pair)} array end |
#to_hash ⇒ Object
559 560 561 562 563 564 565 566 |
# File 'lib/map.rb', line 559 def to_hash hash = Hash.new(default) each do |key, val| val = val.to_hash if val.respond_to?(:to_hash) hash[key] = val end hash end |
#to_list ⇒ Object
582 583 584 585 586 587 588 |
# File 'lib/map.rb', line 582 def to_list list = [] each_pair do |key, val| list[key.to_i] = val if(key.is_a?(Numeric) or key.to_s =~ %r/^\d+$/) end list end |
#to_options ⇒ Object
601 |
# File 'lib/map.rb', line 601 def ; dup end |
#to_options! ⇒ Object
600 |
# File 'lib/map.rb', line 600 def ; self end |
#to_s ⇒ Object
590 591 592 |
# File 'lib/map.rb', line 590 def to_s to_array.to_s end |
#to_yaml(opts = {}) ⇒ Object
568 569 570 571 572 573 |
# File 'lib/map.rb', line 568 def to_yaml( opts = {} ) map = self YAML.quick_emit(self.object_id, opts){|out| out.map('!omap'){|m| map.each{|k,v| m.add(k, v)}} } end |
#unshift(*args) ⇒ Object
438 439 440 441 442 443 444 445 446 447 448 |
# File 'lib/map.rb', line 438 def unshift(*args) Map.each_pair(*args) do |key, val| if key?(key) delete(key) else keys.unshift(key) end __set__(key, val) end self end |
#update(*args) ⇒ Object Also known as: merge!
341 342 343 344 |
# File 'lib/map.rb', line 341 def update(*args) Map.each_pair(*args){|key, val| store(key, val)} self end |
#values ⇒ Object Also known as: vals
361 362 363 364 365 |
# File 'lib/map.rb', line 361 def values array = [] keys.each{|key| array.push(self[key])} array end |
#values_at(*keys) ⇒ Object
368 369 370 |
# File 'lib/map.rb', line 368 def values_at(*keys) keys.map{|key| self[key]} end |
#with_indifferent_access ⇒ Object
603 |
# File 'lib/map.rb', line 603 def with_indifferent_access; dup end |
#with_indifferent_access! ⇒ Object
602 |
# File 'lib/map.rb', line 602 def with_indifferent_access!; self end |