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-rw-r--r--ext/json/lib/json.rb59
-rw-r--r--ext/json/lib/json/common.rb132
-rw-r--r--ext/json/lib/json/ext/generator/state.rb25
-rw-r--r--ext/json/lib/json/generic_object.rb8
-rw-r--r--ext/json/lib/json/version.rb2
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