diff options
Diffstat (limited to 'ext/json/lib')
| -rw-r--r-- | ext/json/lib/json.rb | 59 | ||||
| -rw-r--r-- | ext/json/lib/json/common.rb | 132 | ||||
| -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 |
5 files changed, 169 insertions, 57 deletions
diff --git a/ext/json/lib/json.rb b/ext/json/lib/json.rb index 0ebff2f948..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+. @@ -173,6 +182,30 @@ require 'json/common' # 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; @@ -302,8 +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. # # --- # @@ -384,6 +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/common.rb b/ext/json/lib/json/common.rb index e99d152a88..230bf08012 100644 --- a/ext/json/lib/json/common.rb +++ b/ext/json/lib/json/common.rb @@ -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 @@ -97,7 +102,7 @@ module JSON class << self def deprecation_warning(message, uplevel = 3) # :nodoc: - gem_root = File.expand_path("../../../", __FILE__) + "/" + 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 @@ -147,29 +152,21 @@ 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 @@ -186,6 +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| @@ -391,7 +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. # @@ -536,6 +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+. @@ -643,6 +660,7 @@ module JSON # when Array # obj.map! {|v| deserialize_obj v } # end + # obj # }) # pp ruby # Output: @@ -666,7 +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 @@ -684,12 +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+. @@ -803,6 +831,7 @@ module JSON # when Array # obj.map! {|v| deserialize_obj v } # end + # obj # }) # pp ruby # Output: @@ -825,8 +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 @@ -841,7 +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 @@ -999,7 +1038,8 @@ 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 # encountered, the block provided to the initialize method is invoked, and must return a Ruby object that has a native @@ -1028,7 +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: @@ -1037,7 +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 @@ -1058,6 +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 @@ -1103,3 +1167,7 @@ module ::Kernel JSON[object, opts] end end + +class Object + include JSON::GeneratorMethods +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 f9ac3e17a9..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 = '2.13.2' + VERSION = '2.19.8' end |
