diff options
Diffstat (limited to 'ext/json/lib')
| -rw-r--r-- | ext/json/lib/json.rb | 92 | ||||
| -rw-r--r-- | ext/json/lib/json/add/core.rb | 1 | ||||
| -rw-r--r-- | ext/json/lib/json/add/string.rb | 35 | ||||
| -rw-r--r-- | ext/json/lib/json/common.rb | 181 | ||||
| -rw-r--r-- | ext/json/lib/json/ext.rb | 4 | ||||
| -rw-r--r-- | ext/json/lib/json/ext/generator/state.rb | 25 | ||||
| -rw-r--r-- | ext/json/lib/json/generic_object.rb | 8 | ||||
| -rw-r--r-- | ext/json/lib/json/version.rb | 2 |
8 files changed, 266 insertions, 82 deletions
diff --git a/ext/json/lib/json.rb b/ext/json/lib/json.rb index dfd9b7dfc2..26d601926f 100644 --- a/ext/json/lib/json.rb +++ b/ext/json/lib/json.rb @@ -6,6 +6,15 @@ require 'json/common' # # \JSON is a lightweight data-interchange format. # +# \JSON is easy for us humans to read and write, +# and equally simple for machines to read (parse) and write (generate). +# +# \JSON is language-independent, making it an ideal interchange format +# for applications in differing programming languages +# and on differing operating systems. +# +# == \JSON Values +# # A \JSON value is one of the following: # - Double-quoted text: <tt>"foo"</tt>. # - Number: +1+, +1.0+, +2.0e2+. @@ -127,6 +136,24 @@ require 'json/common' # # --- # +# Option +allow_duplicate_key+ specifies whether duplicate keys in objects +# should be ignored or cause an error to be raised: +# +# When not specified: +# # The last value is used and a deprecation warning emitted. +# JSON.parse('{"a": 1, "a":2}') => {"a" => 2} +# # warning: detected duplicate keys in JSON object. +# # This will raise an error in json 3.0 unless enabled via `allow_duplicate_key: true` +# +# When set to `+true+` +# # The last value is used. +# JSON.parse('{"a": 1, "a":2}') => {"a" => 2} +# +# When set to `+false+`, the future default: +# JSON.parse('{"a": 1, "a":2}') => duplicate key at line 1 column 1 (JSON::ParserError) +# +# --- +# # Option +allow_nan+ (boolean) specifies whether to allow # NaN, Infinity, and MinusInfinity in +source+; # defaults to +false+. @@ -143,8 +170,47 @@ require 'json/common' # ruby = JSON.parse(source, {allow_nan: true}) # ruby # => [NaN, Infinity, -Infinity] # +# --- +# +# Option +allow_trailing_comma+ (boolean) specifies whether to allow +# trailing commas in objects and arrays; +# defaults to +false+. +# +# With the default, +false+: +# JSON.parse('[1,]') # unexpected character: ']' at line 1 column 4 (JSON::ParserError) +# +# When enabled: +# JSON.parse('[1,]', allow_trailing_comma: true) # => [1] +# +# --- +# +# Option +allow_control_characters+ (boolean) specifies whether to allow +# unescaped ASCII control characters, such as newlines, in strings; +# defaults to +false+. +# +# With the default, +false+: +# JSON.parse(%{"Hello\nWorld"}) # invalid ASCII control character in string (JSON::ParserError) +# +# When enabled: +# JSON.parse(%{"Hello\nWorld"}, allow_control_characters: true) # => "Hello\nWorld" +# +# --- +# +# Option +allow_invalid_escape+ (boolean) specifies whether to ignore backslahes that are followed +# by an invalid escape character in strings; +# defaults to +false+. +# +# With the default, +false+: +# JSON.parse('"Hell\o"') # invalid escape character in string (JSON::ParserError) +# +# When enabled: +# JSON.parse('"Hell\o"', allow_invalid_escape: true) # => "Hello" +# # ====== Output Options # +# Option +freeze+ (boolean) specifies whether the returned objects will be frozen; +# defaults to +false+. +# # Option +symbolize_names+ (boolean) specifies whether returned \Hash keys # should be Symbols; # defaults to +false+ (use Strings). @@ -269,8 +335,27 @@ require 'json/common' # JSON.generate(JSON::MinusInfinity) # # Allow: -# ruby = [Float::NaN, Float::Infinity, Float::MinusInfinity] -# JSON.generate(ruby, allow_nan: true) # => '[NaN,Infinity,-Infinity]' +# ruby = [Float::NAN, Float::INFINITY, JSON::NaN, JSON::Infinity, JSON::MinusInfinity] +# JSON.generate(ruby, allow_nan: true) # => '[NaN,Infinity,NaN,Infinity,-Infinity]' +# +# --- +# +# Option +allow_duplicate_key+ (boolean) specifies whether +# hashes with duplicate keys should be allowed or produce an error. +# defaults to emit a deprecation warning. +# +# With the default, (not set): +# Warning[:deprecated] = true +# JSON.generate({ foo: 1, "foo" => 2 }) +# # warning: detected duplicate key "foo" in {foo: 1, "foo" => 2}. +# # This will raise an error in json 3.0 unless enabled via `allow_duplicate_key: true` +# # => '{"foo":1,"foo":2}' +# +# With <tt>false</tt> +# JSON.generate({ foo: 1, "foo" => 2 }, allow_duplicate_key: false) +# # detected duplicate key "foo" in {foo: 1, "foo" => 2} (JSON::GeneratorError) +# +# In version 3.0, <tt>false</tt> will become the default. # # --- # @@ -351,6 +436,9 @@ require 'json/common' # # == \JSON Additions # +# Note that JSON Additions must only be used with trusted data, and is +# deprecated. +# # When you "round trip" a non-\String object from Ruby to \JSON and back, # you have a new \String, instead of the object you began with: # ruby0 = Range.new(0, 2) diff --git a/ext/json/lib/json/add/core.rb b/ext/json/lib/json/add/core.rb index 485f097fff..61ff454212 100644 --- a/ext/json/lib/json/add/core.rb +++ b/ext/json/lib/json/add/core.rb @@ -7,6 +7,7 @@ require 'json/add/date_time' require 'json/add/exception' require 'json/add/range' require 'json/add/regexp' +require 'json/add/string' require 'json/add/struct' require 'json/add/symbol' require 'json/add/time' diff --git a/ext/json/lib/json/add/string.rb b/ext/json/lib/json/add/string.rb new file mode 100644 index 0000000000..9c3bde27fb --- /dev/null +++ b/ext/json/lib/json/add/string.rb @@ -0,0 +1,35 @@ +# frozen_string_literal: true +unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED + require 'json' +end + +class String + # call-seq: json_create(o) + # + # Raw Strings are JSON Objects (the raw bytes are stored in an array for the + # key "raw"). The Ruby String can be created by this class method. + def self.json_create(object) + object["raw"].pack("C*") + end + + # call-seq: to_json_raw_object() + # + # This method creates a raw object hash, that can be nested into + # other data structures and will be generated as a raw string. This + # method should be used, if you want to convert raw strings to JSON + # instead of UTF-8 strings, e. g. binary data. + def to_json_raw_object + { + JSON.create_id => self.class.name, + "raw" => unpack("C*"), + } + end + + # call-seq: to_json_raw(*args) + # + # This method creates a JSON text from the result of a call to + # to_json_raw_object of this String. + def to_json_raw(...) + to_json_raw_object.to_json(...) + end +end diff --git a/ext/json/lib/json/common.rb b/ext/json/lib/json/common.rb index 98bc0ac85a..230bf08012 100644 --- a/ext/json/lib/json/common.rb +++ b/ext/json/lib/json/common.rb @@ -48,7 +48,7 @@ module JSON end end - # TODO: exctract :create_additions support to another gem for version 3.0 + # TODO: extract :create_additions support to another gem for version 3.0 def create_additions_proc(opts) if opts[:symbolize_names] raise ArgumentError, "options :symbolize_names and :create_additions cannot be used in conjunction" @@ -71,9 +71,14 @@ module JSON end when object_class if opts[:create_additions] != false - if class_name = object[JSON.create_id] - klass = JSON.deep_const_get(class_name) - if (klass.respond_to?(:json_creatable?) && klass.json_creatable?) || klass.respond_to?(:json_create) + if class_path = object[JSON.create_id] + klass = begin + Object.const_get(class_path) + rescue NameError => e + raise ArgumentError, "can't get const #{class_path}: #{e}" + end + + if klass.respond_to?(:json_creatable?) ? klass.json_creatable? : klass.respond_to?(:json_create) create_additions_warning if create_additions.nil? object = klass.json_create(object) end @@ -87,31 +92,32 @@ module JSON opts end - GEM_ROOT = File.expand_path("../../../", __FILE__) + "/" def create_additions_warning - message = "JSON.load implicit support for `create_additions: true` is deprecated " \ + JSON.deprecation_warning "JSON.load implicit support for `create_additions: true` is deprecated " \ "and will be removed in 3.0, use JSON.unsafe_load or explicitly " \ "pass `create_additions: true`" + end + end + end - uplevel = 4 - caller_locations(uplevel, 10).each do |frame| - if frame.path.nil? || frame.path.start_with?(GEM_ROOT) || frame.path.end_with?("/truffle/cext_ruby.rb", ".c") - uplevel += 1 - else - break - end - end - - if RUBY_VERSION >= "3.0" - warn(message, uplevel: uplevel - 1, category: :deprecated) + class << self + def deprecation_warning(message, uplevel = 3) # :nodoc: + gem_root = File.expand_path("..", __dir__) + "/" + caller_locations(uplevel, 10).each do |frame| + if frame.path.nil? || frame.path.start_with?(gem_root) || frame.path.end_with?("/truffle/cext_ruby.rb", ".c") + uplevel += 1 else - warn(message, uplevel: uplevel - 1) + break end end + + if RUBY_VERSION >= "3.0" + warn(message, uplevel: uplevel, category: :deprecated) + else + warn(message, uplevel: uplevel) + end end - end - class << self # :call-seq: # JSON[object] -> new_array or new_string # @@ -146,33 +152,25 @@ module JSON const_set :Parser, parser end - # Return the constant located at _path_. The format of _path_ has to be - # either ::A::B::C or A::B::C. In any case, A has to be located at the top - # level (absolute namespace path?). If there doesn't exist a constant at - # the given path, an ArgumentError is raised. - def deep_const_get(path) # :nodoc: - Object.const_get(path) - rescue NameError => e - raise ArgumentError, "can't get const #{path}: #{e}" - end - # Set the module _generator_ to be used by JSON. def generator=(generator) # :nodoc: old, $VERBOSE = $VERBOSE, nil @generator = generator - generator_methods = generator::GeneratorMethods - for const in generator_methods.constants - klass = const_get(const) - modul = generator_methods.const_get(const) - klass.class_eval do - instance_methods(false).each do |m| - m.to_s == 'to_json' and remove_method m + if generator.const_defined?(:GeneratorMethods) + generator_methods = generator::GeneratorMethods + for const in generator_methods.constants + klass = const_get(const) + modul = generator_methods.const_get(const) + klass.class_eval do + instance_methods(false).each do |m| + m.to_s == 'to_json' and remove_method m + end + include modul end - include modul end end self.state = generator::State - const_set :State, self.state + const_set :State, state ensure $VERBOSE = old end @@ -185,6 +183,25 @@ module JSON private + # Called from the extension when a hash has both string and symbol keys + def on_mixed_keys_hash(hash, do_raise) + set = {} + hash.each_key do |key| + key_str = key.to_s + + if set[key_str] + message = "detected duplicate key #{key_str.inspect} in #{hash.inspect}" + if do_raise + raise GeneratorError, message + else + deprecation_warning("#{message}.\nThis will raise an error in json 3.0 unless enabled via `allow_duplicate_key: true`") + end + else + set[key_str] = true + end + end + end + def deprecated_singleton_attr_accessor(*attrs) args = RUBY_VERSION >= "3.0" ? ", category: :deprecated" : "" attrs.each do |attr| @@ -230,7 +247,9 @@ module JSON class JSONError < StandardError; end # This exception is raised if a parser error occurs. - class ParserError < JSONError; end + class ParserError < JSONError + attr_reader :line, :column + end # This exception is raised if the nesting of parsed data structures is too # deep. @@ -266,7 +285,7 @@ module JSON # to string interpolation. # # Note: no validation is performed on the provided string. It is the - # responsability of the caller to ensure the string contains valid JSON. + # responsibility of the caller to ensure the string contains valid JSON. Fragment = Struct.new(:json) do def initialize(json) unless string = String.try_convert(json) @@ -388,7 +407,7 @@ module JSON # # Returns a \String containing the generated \JSON data. # - # See also JSON.fast_generate, JSON.pretty_generate. + # See also JSON.pretty_generate. # # Argument +obj+ is the Ruby object to be converted to \JSON. # @@ -488,7 +507,7 @@ module JSON # } # def pretty_generate(obj, opts = nil) - return state.generate(obj) if State === opts + return opts.generate(obj) if State === opts options = PRETTY_GENERATE_OPTIONS @@ -533,6 +552,7 @@ module JSON :create_additions => nil, } # :call-seq: + # JSON.unsafe_load(source, options = {}) -> object # JSON.unsafe_load(source, proc = nil, options = {}) -> object # # Returns the Ruby objects created by parsing the given +source+. @@ -640,6 +660,7 @@ module JSON # when Array # obj.map! {|v| deserialize_obj v } # end + # obj # }) # pp ruby # Output: @@ -663,7 +684,12 @@ module JSON # def unsafe_load(source, proc = nil, options = nil) opts = if options.nil? - _unsafe_load_default_options + if proc && proc.is_a?(Hash) + options, proc = proc, nil + options + else + _unsafe_load_default_options + end else _unsafe_load_default_options.merge(options) end @@ -681,12 +707,17 @@ module JSON if opts[:allow_blank] && (source.nil? || source.empty?) source = 'null' end - result = parse(source, opts) - recurse_proc(result, &proc) if proc - result + + if proc + opts = opts.dup + opts[:on_load] = proc.to_proc + end + + parse(source, opts) end # :call-seq: + # JSON.load(source, options = {}) -> object # JSON.load(source, proc = nil, options = {}) -> object # # Returns the Ruby objects created by parsing the given +source+. @@ -800,6 +831,7 @@ module JSON # when Array # obj.map! {|v| deserialize_obj v } # end + # obj # }) # pp ruby # Output: @@ -822,8 +854,18 @@ module JSON # @attributes={"type"=>"Admin", "password"=>"0wn3d"}>} # def load(source, proc = nil, options = nil) + if proc && options.nil? && proc.is_a?(Hash) + options = proc + proc = nil + end + opts = if options.nil? - _load_default_options + if proc && proc.is_a?(Hash) + options, proc = proc, nil + options + else + _load_default_options + end else _load_default_options.merge(options) end @@ -838,7 +880,7 @@ module JSON end end - if opts[:allow_blank] && (source.nil? || source.empty?) + if opts[:allow_blank] && (source.nil? || (String === source && source.empty?)) source = 'null' end @@ -996,10 +1038,11 @@ module JSON # JSON.new(options = nil, &block) # # Argument +options+, if given, contains a \Hash of options for both parsing and generating. - # See {Parsing Options}[#module-JSON-label-Parsing+Options], and {Generating Options}[#module-JSON-label-Generating+Options]. + # See {Parsing Options}[rdoc-ref:JSON@Parsing+Options], + # and {Generating Options}[rdoc-ref:JSON@Generating+Options]. # # For generation, the <tt>strict: true</tt> option is always set. When a Ruby object with no native \JSON counterpart is - # encoutered, the block provided to the initialize method is invoked, and must return a Ruby object that has a native + # encountered, the block provided to the initialize method is invoked, and must return a Ruby object that has a native # \JSON counterpart: # # module MyApp @@ -1025,7 +1068,7 @@ module JSON options[:as_json] = as_json if as_json @state = State.new(options).freeze - @parser_config = Ext::Parser::Config.new(ParserOptions.prepare(options)) + @parser_config = Ext::Parser::Config.new(ParserOptions.prepare(options)).freeze end # call-seq: @@ -1034,7 +1077,7 @@ module JSON # # Serialize the given object into a \JSON document. def dump(object, io = nil) - @state.generate_new(object, io) + @state.generate(object, io) end alias_method :generate, :dump @@ -1055,6 +1098,30 @@ module JSON load(File.read(path, encoding: Encoding::UTF_8)) end end + + module GeneratorMethods + # call-seq: to_json(*) + # + # Converts this object into a JSON string. + # If this object doesn't directly maps to a JSON native type, + # first convert it to a string (calling #to_s), then converts + # it to a JSON string, and returns the result. + # This is a fallback, if no special method #to_json was defined for some object. + def to_json(state = nil, *) + obj = case self + when nil, false, true, Integer, Float, Array, Hash + self + else + "#{self}" + end + + if state.nil? + JSON::State._generate_no_fallback(obj, nil, nil) + else + JSON::State.from_state(state)._generate_no_fallback(obj) + end + end + end end module ::Kernel @@ -1070,7 +1137,7 @@ module ::Kernel end objs.each do |obj| - puts JSON::generate(obj, :allow_nan => true, :max_nesting => false) + puts JSON.generate(obj, :allow_nan => true, :max_nesting => false) end nil end @@ -1085,7 +1152,7 @@ module ::Kernel end objs.each do |obj| - puts JSON::pretty_generate(obj, :allow_nan => true, :max_nesting => false) + puts JSON.pretty_generate(obj, :allow_nan => true, :max_nesting => false) end nil end @@ -1100,3 +1167,7 @@ module ::Kernel JSON[object, opts] end end + +class Object + include JSON::GeneratorMethods +end diff --git a/ext/json/lib/json/ext.rb b/ext/json/lib/json/ext.rb index 1db5ea122c..5bacc5e371 100644 --- a/ext/json/lib/json/ext.rb +++ b/ext/json/lib/json/ext.rb @@ -34,12 +34,12 @@ module JSON if RUBY_ENGINE == 'truffleruby' require 'json/truffle_ruby/generator' - JSON.generator = ::JSON::TruffleRuby::Generator + JSON.generator = JSON::TruffleRuby::Generator else require 'json/ext/generator' JSON.generator = Generator end end - JSON_LOADED = true unless defined?(::JSON::JSON_LOADED) + JSON_LOADED = true unless defined?(JSON::JSON_LOADED) end diff --git a/ext/json/lib/json/ext/generator/state.rb b/ext/json/lib/json/ext/generator/state.rb index d40c3b5ec3..e4f425af6a 100644 --- a/ext/json/lib/json/ext/generator/state.rb +++ b/ext/json/lib/json/ext/generator/state.rb @@ -8,20 +8,8 @@ module JSON # # Instantiates a new State object, configured by _opts_. # - # _opts_ can have the following keys: - # - # * *indent*: a string used to indent levels (default: ''), - # * *space*: a string that is put after, a : or , delimiter (default: ''), - # * *space_before*: a string that is put before a : pair delimiter (default: ''), - # * *object_nl*: a string that is put at the end of a JSON object (default: ''), - # * *array_nl*: a string that is put at the end of a JSON array (default: ''), - # * *allow_nan*: true if NaN, Infinity, and -Infinity should be - # generated, otherwise an exception is thrown, if these values are - # encountered. This options defaults to false. - # * *ascii_only*: true if only ASCII characters should be generated. This - # option defaults to false. - # * *buffer_initial_length*: sets the initial length of the generator's - # internal buffer. + # Argument +opts+, if given, contains a \Hash of options for the generation. + # See {Generating Options}[rdoc-ref:JSON@Generating+Options]. def initialize(opts = nil) if opts && !opts.empty? configure(opts) @@ -68,6 +56,11 @@ module JSON buffer_initial_length: buffer_initial_length, } + allow_duplicate_key = allow_duplicate_key? + unless allow_duplicate_key.nil? + result[:allow_duplicate_key] = allow_duplicate_key + end + instance_variables.each do |iv| iv = iv.to_s[1..-1] result[iv.to_sym] = self[iv] @@ -82,6 +75,8 @@ module JSON # # Returns the value returned by method +name+. def [](name) + ::JSON.deprecation_warning("JSON::State#[] is deprecated and will be removed in json 3.0.0") + if respond_to?(name) __send__(name) else @@ -94,6 +89,8 @@ module JSON # # Sets the attribute name to value. def []=(name, value) + ::JSON.deprecation_warning("JSON::State#[]= is deprecated and will be removed in json 3.0.0") + if respond_to?(name_writer = "#{name}=") __send__ name_writer, value else diff --git a/ext/json/lib/json/generic_object.rb b/ext/json/lib/json/generic_object.rb index ec5aa9dcb2..5c8ace354b 100644 --- a/ext/json/lib/json/generic_object.rb +++ b/ext/json/lib/json/generic_object.rb @@ -52,14 +52,6 @@ module JSON table end - def [](name) - __send__(name) - end unless method_defined?(:[]) - - def []=(name, value) - __send__("#{name}=", value) - end unless method_defined?(:[]=) - def |(other) self.class[other.to_hash.merge(to_hash)] end diff --git a/ext/json/lib/json/version.rb b/ext/json/lib/json/version.rb index 1fa83370b3..30c0a71d2f 100644 --- a/ext/json/lib/json/version.rb +++ b/ext/json/lib/json/version.rb @@ -1,5 +1,5 @@ # frozen_string_literal: true module JSON - VERSION = '2.11.1' + VERSION = '2.19.8' end |
