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#!/usr/bin/env ruby
# encoding: utf-8
#
# This file, gist, is generated code.
# Please DO NOT EDIT or send patches for it.
#
# Please take a look at the source from
# http://github.com/defunkt/gist
# and submit patches against the individual files
# that build gist.
#
require 'strscan'
module JSON
module Pure
class Parser < StringScanner
STRING = /" ((?:[^\x0-\x1f"\\] |
\\["\\\/bfnrt] |
\\u[0-9a-fA-F]{4} |
\\[\x20-\x21\x23-\x2e\x30-\x5b\x5d-\x61\x63-\x65\x67-\x6d\x6f-\x71\x73\x75-\xff])*)
"/nx
INTEGER = /(-?0|-?[1-9]\d*)/
FLOAT = /(-?
(?:0|[1-9]\d*)
(?:
\.\d+(?i:e[+-]?\d+) |
\.\d+ |
(?i:e[+-]?\d+)
)
)/x
NAN = /NaN/
INFINITY = /Infinity/
MINUS_INFINITY = /-Infinity/
OBJECT_OPEN = /\{/
OBJECT_CLOSE = /\}/
ARRAY_OPEN = /\[/
ARRAY_CLOSE = /\]/
PAIR_DELIMITER = /:/
COLLECTION_DELIMITER = /,/
TRUE = /true/
FALSE = /false/
NULL = /null/
IGNORE = %r(
(?:
//[^\n\r]*[\n\r]| # line comments
/\* # c-style comments
(?:
[^*/]| # normal chars
/[^*]| # slashes that do not start a nested comment
\*[^/]| # asterisks that do not end this comment
/(?=\*/) # single slash before this comment's end
)*
\*/ # the End of this comment
|[ \t\r\n]+ # whitespaces: space, horicontal tab, lf, cr
)+
)mx
UNPARSED = Object.new
def initialize(source, opts = {})
opts ||= {}
unless @quirks_mode = opts[:quirks_mode]
source = convert_encoding source
end
super source
if !opts.key?(:max_nesting) # defaults to 19
@max_nesting = 19
elsif opts[:max_nesting]
@max_nesting = opts[:max_nesting]
else
@max_nesting = 0
end
@allow_nan = !!opts[:allow_nan]
@symbolize_names = !!opts[:symbolize_names]
if opts.key?(:create_additions)
@create_additions = !!opts[:create_additions]
else
@create_additions = true
end
@create_id = @create_additions ? JSON.create_id : nil
@object_class = opts[:object_class] || Hash
@array_class = opts[:array_class] || Array
@match_string = opts[:match_string]
end
alias source string
def quirks_mode?
!!@quirks_mode
end
def reset
super
@current_nesting = 0
end
def parse
reset
obj = nil
if @quirks_mode
while !eos? && skip(IGNORE)
end
if eos?
raise ParserError, "source did not contain any JSON!"
else
obj = parse_value
obj == UNPARSED and raise ParserError, "source did not contain any JSON!"
end
else
until eos?
case
when scan(OBJECT_OPEN)
obj and raise ParserError, "source '#{peek(20)}' not in JSON!"
@current_nesting = 1
obj = parse_object
when scan(ARRAY_OPEN)
obj and raise ParserError, "source '#{peek(20)}' not in JSON!"
@current_nesting = 1
obj = parse_array
when skip(IGNORE)
;
else
raise ParserError, "source '#{peek(20)}' not in JSON!"
end
end
obj or raise ParserError, "source did not contain any JSON!"
end
obj
end
private
def convert_encoding(source)
if source.respond_to?(:to_str)
source = source.to_str
else
raise TypeError, "#{source.inspect} is not like a string"
end
if defined?(::Encoding)
if source.encoding == ::Encoding::ASCII_8BIT
b = source[0, 4].bytes.to_a
source =
case
when b.size >= 4 && b[0] == 0 && b[1] == 0 && b[2] == 0
source.dup.force_encoding(::Encoding::UTF_32BE).encode!(::Encoding::UTF_8)
when b.size >= 4 && b[0] == 0 && b[2] == 0
source.dup.force_encoding(::Encoding::UTF_16BE).encode!(::Encoding::UTF_8)
when b.size >= 4 && b[1] == 0 && b[2] == 0 && b[3] == 0
source.dup.force_encoding(::Encoding::UTF_32LE).encode!(::Encoding::UTF_8)
when b.size >= 4 && b[1] == 0 && b[3] == 0
source.dup.force_encoding(::Encoding::UTF_16LE).encode!(::Encoding::UTF_8)
else
source.dup
end
else
source = source.encode(::Encoding::UTF_8)
end
source.force_encoding(::Encoding::ASCII_8BIT)
else
b = source
source =
case
when b.size >= 4 && b[0] == 0 && b[1] == 0 && b[2] == 0
JSON.iconv('utf-8', 'utf-32be', b)
when b.size >= 4 && b[0] == 0 && b[2] == 0
JSON.iconv('utf-8', 'utf-16be', b)
when b.size >= 4 && b[1] == 0 && b[2] == 0 && b[3] == 0
JSON.iconv('utf-8', 'utf-32le', b)
when b.size >= 4 && b[1] == 0 && b[3] == 0
JSON.iconv('utf-8', 'utf-16le', b)
else
b
end
end
source
end
UNESCAPE_MAP = Hash.new { |h, k| h[k] = k.chr }
UNESCAPE_MAP.update({
?" => '"',
?\\ => '\\',
?/ => '/',
?b => "\b",
?f => "\f",
?n => "\n",
?r => "\r",
?t => "\t",
?u => nil,
})
EMPTY_8BIT_STRING = ''
if ::String.method_defined?(:encode)
EMPTY_8BIT_STRING.force_encoding Encoding::ASCII_8BIT
end
def parse_string
if scan(STRING)
return '' if self[1].empty?
string = self[1].gsub(%r((?:\\[\\bfnrt"/]|(?:\\u(?:[A-Fa-f\d]{4}))+|\\[\x20-\xff]))n) do |c|
if u = UNESCAPE_MAP[$&[1]]
u
else # \uXXXX
bytes = EMPTY_8BIT_STRING.dup
i = 0
while c[6 * i] == ?\\ && c[6 * i + 1] == ?u
bytes << c[6 * i + 2, 2].to_i(16) << c[6 * i + 4, 2].to_i(16)
i += 1
end
JSON.iconv('utf-8', 'utf-16be', bytes)
end
end
if string.respond_to?(:force_encoding)
string.force_encoding(::Encoding::UTF_8)
end
if @create_additions and @match_string
for (regexp, klass) in @match_string
klass.json_creatable? or next
string =~ regexp and return klass.json_create(string)
end
end
string
else
UNPARSED
end
rescue => e
raise ParserError, "Caught #{e.class} at '#{peek(20)}': #{e}"
end
def parse_value
case
when scan(FLOAT)
Float(self[1])
when scan(INTEGER)
Integer(self[1])
when scan(TRUE)
true
when scan(FALSE)
false
when scan(NULL)
nil
when (string = parse_string) != UNPARSED
string
when scan(ARRAY_OPEN)
@current_nesting += 1
ary = parse_array
@current_nesting -= 1
ary
when scan(OBJECT_OPEN)
@current_nesting += 1
obj = parse_object
@current_nesting -= 1
obj
when @allow_nan && scan(NAN)
NaN
when @allow_nan && scan(INFINITY)
Infinity
when @allow_nan && scan(MINUS_INFINITY)
MinusInfinity
else
UNPARSED
end
end
def parse_array
raise NestingError, "nesting of #@current_nesting is too deep" if
@max_nesting.nonzero? && @current_nesting > @max_nesting
result = @array_class.new
delim = false
until eos?
case
when (value = parse_value) != UNPARSED
delim = false
result << value
skip(IGNORE)
if scan(COLLECTION_DELIMITER)
delim = true
elsif match?(ARRAY_CLOSE)
;
else
raise ParserError, "expected ',' or ']' in array at '#{peek(20)}'!"
end
when scan(ARRAY_CLOSE)
if delim
raise ParserError, "expected next element in array at '#{peek(20)}'!"
end
break
when skip(IGNORE)
;
else
raise ParserError, "unexpected token in array at '#{peek(20)}'!"
end
end
result
end
def parse_object
raise NestingError, "nesting of #@current_nesting is too deep" if
@max_nesting.nonzero? && @current_nesting > @max_nesting
result = @object_class.new
delim = false
until eos?
case
when (string = parse_string) != UNPARSED
skip(IGNORE)
unless scan(PAIR_DELIMITER)
raise ParserError, "expected ':' in object at '#{peek(20)}'!"
end
skip(IGNORE)
unless (value = parse_value).equal? UNPARSED
result[@symbolize_names ? string.to_sym : string] = value
delim = false
skip(IGNORE)
if scan(COLLECTION_DELIMITER)
delim = true
elsif match?(OBJECT_CLOSE)
;
else
raise ParserError, "expected ',' or '}' in object at '#{peek(20)}'!"
end
else
raise ParserError, "expected value in object at '#{peek(20)}'!"
end
when scan(OBJECT_CLOSE)
if delim
raise ParserError, "expected next name, value pair in object at '#{peek(20)}'!"
end
if @create_additions and klassname = result[@create_id]
klass = JSON.deep_const_get klassname
break unless klass and klass.json_creatable?
result = klass.json_create(result)
end
break
when skip(IGNORE)
;
else
raise ParserError, "unexpected token in object at '#{peek(20)}'!"
end
end
result
end
end
end
end
module JSON
MAP = {
"\x0" => '\u0000',
"\x1" => '\u0001',
"\x2" => '\u0002',
"\x3" => '\u0003',
"\x4" => '\u0004',
"\x5" => '\u0005',
"\x6" => '\u0006',
"\x7" => '\u0007',
"\b" => '\b',
"\t" => '\t',
"\n" => '\n',
"\xb" => '\u000b',
"\f" => '\f',
"\r" => '\r',
"\xe" => '\u000e',
"\xf" => '\u000f',
"\x10" => '\u0010',
"\x11" => '\u0011',
"\x12" => '\u0012',
"\x13" => '\u0013',
"\x14" => '\u0014',
"\x15" => '\u0015',
"\x16" => '\u0016',
"\x17" => '\u0017',
"\x18" => '\u0018',
"\x19" => '\u0019',
"\x1a" => '\u001a',
"\x1b" => '\u001b',
"\x1c" => '\u001c',
"\x1d" => '\u001d',
"\x1e" => '\u001e',
"\x1f" => '\u001f',
'"' => '\"',
'\\' => '\\\\',
} # :nodoc:
if defined?(::Encoding)
def utf8_to_json(string) # :nodoc:
string = string.dup
string << '' # XXX workaround: avoid buffer sharing
string.force_encoding(::Encoding::ASCII_8BIT)
string.gsub!(/["\\\x0-\x1f]/) { MAP[$&] }
string.force_encoding(::Encoding::UTF_8)
string
end
def utf8_to_json_ascii(string) # :nodoc:
string = string.dup
string << '' # XXX workaround: avoid buffer sharing
string.force_encoding(::Encoding::ASCII_8BIT)
string.gsub!(/["\\\x0-\x1f]/) { MAP[$&] }
string.gsub!(/(
(?:
[\xc2-\xdf][\x80-\xbf] |
[\xe0-\xef][\x80-\xbf]{2} |
[\xf0-\xf4][\x80-\xbf]{3}
)+ |
[\x80-\xc1\xf5-\xff] # invalid
)/nx) { |c|
c.size == 1 and raise GeneratorError, "invalid utf8 byte: '#{c}'"
s = JSON.iconv('utf-16be', 'utf-8', c).unpack('H*')[0]
s.gsub!(/.{4}/n, '\\\\u\&')
}
string.force_encoding(::Encoding::UTF_8)
string
rescue => e
raise GeneratorError, "Caught #{e.class}: #{e}"
end
else
def utf8_to_json(string) # :nodoc:
string.gsub(/["\\\x0-\x1f]/) { MAP[$&] }
end
def utf8_to_json_ascii(string) # :nodoc:
string = string.gsub(/["\\\x0-\x1f]/) { MAP[$&] }
string.gsub!(/(
(?:
[\xc2-\xdf][\x80-\xbf] |
[\xe0-\xef][\x80-\xbf]{2} |
[\xf0-\xf4][\x80-\xbf]{3}
)+ |
[\x80-\xc1\xf5-\xff] # invalid
)/nx) { |c|
c.size == 1 and raise GeneratorError, "invalid utf8 byte: '#{c}'"
s = JSON.iconv('utf-16be', 'utf-8', c).unpack('H*')[0]
s.gsub!(/.{4}/n, '\\\\u\&')
}
string
rescue => e
raise GeneratorError, "Caught #{e.class}: #{e}"
end
end
module_function :utf8_to_json, :utf8_to_json_ascii
module Pure
module Generator
class State
def self.from_state(opts)
case
when self === opts
opts
when opts.respond_to?(:to_hash)
new(opts.to_hash)
when opts.respond_to?(:to_h)
new(opts.to_h)
else
SAFE_STATE_PROTOTYPE.dup
end
end
def initialize(opts = {})
@indent = ''
@space = ''
@space_before = ''
@object_nl = ''
@array_nl = ''
@allow_nan = false
@ascii_only = false
@quirks_mode = false
@buffer_initial_length = 1024
configure opts
end
attr_accessor :indent
attr_accessor :space
attr_accessor :space_before
attr_accessor :object_nl
attr_accessor :array_nl
attr_accessor :max_nesting
attr_accessor :quirks_mode
attr_reader :buffer_initial_length
def buffer_initial_length=(length)
if length > 0
@buffer_initial_length = length
end
end
attr_accessor :depth
def check_max_nesting # :nodoc:
return if @max_nesting.zero?
current_nesting = depth + 1
current_nesting > @max_nesting and
raise NestingError, "nesting of #{current_nesting} is too deep"
end
def check_circular?
!@max_nesting.zero?
end
def allow_nan?
@allow_nan
end
def ascii_only?
@ascii_only
end
def quirks_mode?
@quirks_mode
end
def configure(opts)
@indent = opts[:indent] if opts.key?(:indent)
@space = opts[:space] if opts.key?(:space)
@space_before = opts[:space_before] if opts.key?(:space_before)
@object_nl = opts[:object_nl] if opts.key?(:object_nl)
@array_nl = opts[:array_nl] if opts.key?(:array_nl)
@allow_nan = !!opts[:allow_nan] if opts.key?(:allow_nan)
@ascii_only = opts[:ascii_only] if opts.key?(:ascii_only)
@depth = opts[:depth] || 0
@quirks_mode = opts[:quirks_mode] if opts.key?(:quirks_mode)
if !opts.key?(:max_nesting) # defaults to 19
@max_nesting = 19
elsif opts[:max_nesting]
@max_nesting = opts[:max_nesting]
else
@max_nesting = 0
end
self
end
alias merge configure
def to_h
result = {}
for iv in %w[indent space space_before object_nl array_nl allow_nan max_nesting ascii_only quirks_mode buffer_initial_length depth]
result[iv.intern] = instance_variable_get("@#{iv}")
end
result
end
def generate(obj)
result = obj.to_json(self)
unless @quirks_mode
unless result =~ /\A\s*\[/ && result =~ /\]\s*\Z/ ||
result =~ /\A\s*\{/ && result =~ /\}\s*\Z/
then
raise GeneratorError, "only generation of JSON objects or arrays allowed"
end
end
result
end
def [](name)
__send__ name
end
end
module GeneratorMethods
module Object
def to_json(*) to_s.to_json end
end
module Hash
def to_json(state = nil, *)
state = State.from_state(state)
state.check_max_nesting
json_transform(state)
end
private
def json_shift(state)
state.object_nl.empty? or return ''
state.indent * state.depth
end
def json_transform(state)
delim = ','
delim << state.object_nl
result = '{'
result << state.object_nl
depth = state.depth += 1
first = true
indent = !state.object_nl.empty?
each { |key,value|
result << delim unless first
result << state.indent * depth if indent
result << key.to_s.to_json(state)
result << state.space_before
result << ':'
result << state.space
result << value.to_json(state)
first = false
}
depth = state.depth -= 1
result << state.object_nl
result << state.indent * depth if indent if indent
result << '}'
result
end
end
module Array
def to_json(state = nil, *)
state = State.from_state(state)
state.check_max_nesting
json_transform(state)
end
private
def json_transform(state)
delim = ','
delim << state.array_nl
result = '['
result << state.array_nl
depth = state.depth += 1
first = true
indent = !state.array_nl.empty?
each { |value|
result << delim unless first
result << state.indent * depth if indent
result << value.to_json(state)
first = false
}
depth = state.depth -= 1
result << state.array_nl
result << state.indent * depth if indent
result << ']'
end
end
module Integer
def to_json(*) to_s end
end
module Float
def to_json(state = nil, *)
state = State.from_state(state)
case
when infinite?
if state.allow_nan?
to_s
else
raise GeneratorError, "#{self} not allowed in JSON"
end
when nan?
if state.allow_nan?
to_s
else
raise GeneratorError, "#{self} not allowed in JSON"
end
else
to_s
end
end
end
module String
if defined?(::Encoding)
def to_json(state = nil, *args)
state = State.from_state(state)
if encoding == ::Encoding::UTF_8
string = self
else
string = encode(::Encoding::UTF_8)
end
if state.ascii_only?
'"' << JSON.utf8_to_json_ascii(string) << '"'
else
'"' << JSON.utf8_to_json(string) << '"'
end
end
else
def to_json(state = nil, *args)
state = State.from_state(state)
if state.ascii_only?
'"' << JSON.utf8_to_json_ascii(self) << '"'
else
'"' << JSON.utf8_to_json(self) << '"'
end
end
end
module Extend
def json_create(o)
o['raw'].pack('C*')
end
end
def self.included(modul)
modul.extend Extend
end
def to_json_raw_object
{
JSON.create_id => self.class.name,
'raw' => self.unpack('C*'),
}
end
def to_json_raw(*args)
to_json_raw_object.to_json(*args)
end
end
module TrueClass
def to_json(*) 'true' end
end
module FalseClass
def to_json(*) 'false' end
end
module NilClass
def to_json(*) 'null' end
end
end
end
end
end
module JSON
class << self
def [](object, opts = {})
if object.respond_to? :to_str
JSON.parse(object.to_str, opts)
else
JSON.generate(object, opts)
end
end
attr_reader :parser
def parser=(parser) # :nodoc:
@parser = parser
remove_const :Parser if JSON.const_defined_in?(self, :Parser)
const_set :Parser, parser
end
def deep_const_get(path) # :nodoc:
path.to_s.split(/::/).inject(Object) do |p, c|
case
when c.empty? then p
when JSON.const_defined_in?(p, c) then p.const_get(c)
else
begin
p.const_missing(c)
rescue NameError => e
raise ArgumentError, "can't get const #{path}: #{e}"
end
end
end
end
def generator=(generator) # :nodoc:
old, $VERBOSE = $VERBOSE, nil
@generator = generator
generator_methods = generator::GeneratorMethods
for const in generator_methods.constants
klass = deep_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
end
self.state = generator::State
const_set :State, self.state
const_set :SAFE_STATE_PROTOTYPE, State.new
const_set :FAST_STATE_PROTOTYPE, State.new(
:indent => '',
:space => '',
:object_nl => "",
:array_nl => "",
:max_nesting => false
)
const_set :PRETTY_STATE_PROTOTYPE, State.new(
:indent => ' ',
:space => ' ',
:object_nl => "\n",
:array_nl => "\n"
)
ensure
$VERBOSE = old
end
attr_reader :generator
attr_accessor :state
attr_accessor :create_id
end
self.create_id = 'json_class'
NaN = 0.0/0
Infinity = 1.0/0
MinusInfinity = -Infinity
class JSONError < StandardError; end
class ParserError < JSONError; end
class NestingError < ParserError; end
class CircularDatastructure < NestingError; end
class GeneratorError < JSONError; end
UnparserError = GeneratorError
class MissingUnicodeSupport < JSONError; end
module_function
def parse(source, opts = {})
Parser.new(source, opts).parse
end
def parse!(source, opts = {})
opts = {
:max_nesting => false,
:allow_nan => true
}.update(opts)
Parser.new(source, opts).parse
end
def generate(obj, opts = nil)
if State === opts
state, opts = opts, nil
else
state = SAFE_STATE_PROTOTYPE.dup
end
if opts
if opts.respond_to? :to_hash
opts = opts.to_hash
elsif opts.respond_to? :to_h
opts = opts.to_h
else
raise TypeError, "can't convert #{opts.class} into Hash"
end
state = state.configure(opts)
end
state.generate(obj)
end
alias unparse generate
module_function :unparse
def fast_generate(obj, opts = nil)
if State === opts
state, opts = opts, nil
else
state = FAST_STATE_PROTOTYPE.dup
end
if opts
if opts.respond_to? :to_hash
opts = opts.to_hash
elsif opts.respond_to? :to_h
opts = opts.to_h
else
raise TypeError, "can't convert #{opts.class} into Hash"
end
state.configure(opts)
end
state.generate(obj)
end
alias fast_unparse fast_generate
module_function :fast_unparse
def pretty_generate(obj, opts = nil)
if State === opts
state, opts = opts, nil
else
state = PRETTY_STATE_PROTOTYPE.dup
end
if opts
if opts.respond_to? :to_hash
opts = opts.to_hash
elsif opts.respond_to? :to_h
opts = opts.to_h
else
raise TypeError, "can't convert #{opts.class} into Hash"
end
state.configure(opts)
end
state.generate(obj)
end
alias pretty_unparse pretty_generate
module_function :pretty_unparse
class << self
attr_accessor :load_default_options
end
self.load_default_options = {
:max_nesting => false,
:allow_nan => true,
:quirks_mode => true,
}
def load(source, proc = nil)
opts = load_default_options
if source.respond_to? :to_str
source = source.to_str
elsif source.respond_to? :to_io
source = source.to_io.read
elsif source.respond_to?(:read)
source = source.read
end
if opts[:quirks_mode] && (source.nil? || source.empty?)
source = 'null'
end
result = parse(source, opts)
recurse_proc(result, &proc) if proc
result
end
def recurse_proc(result, &proc)
case result
when Array
result.each { |x| recurse_proc x, &proc }
proc.call result
when Hash
result.each { |x, y| recurse_proc x, &proc; recurse_proc y, &proc }
proc.call result
else
proc.call result
end
end
alias restore load
module_function :restore
class << self
attr_accessor :dump_default_options
end
self.dump_default_options = {
:max_nesting => false,
:allow_nan => true,
:quirks_mode => true,
}
def dump(obj, anIO = nil, limit = nil)
if anIO and limit.nil?
anIO = anIO.to_io if anIO.respond_to?(:to_io)
unless anIO.respond_to?(:write)
limit = anIO
anIO = nil
end
end
opts = JSON.dump_default_options
limit and opts.update(:max_nesting => limit)
result = generate(obj, opts)
if anIO
anIO.write result
anIO
else
result
end
rescue JSON::NestingError
raise ArgumentError, "exceed depth limit"
end
def self.swap!(string) # :nodoc:
0.upto(string.size / 2) do |i|
break unless string[2 * i + 1]
string[2 * i], string[2 * i + 1] = string[2 * i + 1], string[2 * i]
end
string
end
if ::String.method_defined?(:encode)
def self.iconv(to, from, string)
string.encode(to, from)
end
else
require 'iconv'
def self.iconv(to, from, string)
Iconv.conv(to, from, string)
end
end
if ::Object.method(:const_defined?).arity == 1
def self.const_defined_in?(modul, constant)
modul.const_defined?(constant)
end
else
def self.const_defined_in?(modul, constant)
modul.const_defined?(constant, false)