--- /dev/null
+# This file contains implementations of ruby core's custom objects for
+# serialisation/deserialisation.
+
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+ require 'json'
+end
+require 'date'
+
+# Symbol serialization/deserialization
+class Symbol
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ {
+ JSON.create_id => self.class.name,
+ 's' => to_s,
+ }
+ end
+
+ # Stores class name (Symbol) with String representation of Symbol as a JSON string.
+ def to_json(*a)
+ as_json.to_json(*a)
+ end
+
+ # Deserializes JSON string by converting the <tt>string</tt> value stored in the object to a Symbol
+ def self.json_create(o)
+ o['s'].to_sym
+ end
+end
+
+# Time serialization/deserialization
+class Time
+
+ # Deserializes JSON string by converting time since epoch to Time
+ def self.json_create(object)
+ if usec = object.delete('u') # used to be tv_usec -> tv_nsec
+ object['n'] = usec * 1000
+ end
+ if instance_methods.include?(:tv_nsec)
+ at(object['s'], Rational(object['n'], 1000))
+ else
+ at(object['s'], object['n'] / 1000)
+ end
+ end
+
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ nanoseconds = [ tv_usec * 1000 ]
+ respond_to?(:tv_nsec) and nanoseconds << tv_nsec
+ nanoseconds = nanoseconds.max
+ {
+ JSON.create_id => self.class.name,
+ 's' => tv_sec,
+ 'n' => nanoseconds,
+ }
+ end
+
+ # Stores class name (Time) with number of seconds since epoch and number of
+ # microseconds for Time as JSON string
+ def to_json(*args)
+ as_json.to_json(*args)
+ end
+end
+
+# Date serialization/deserialization
+class Date
+
+ # Deserializes JSON string by converting Julian year <tt>y</tt>, month
+ # <tt>m</tt>, day <tt>d</tt> and Day of Calendar Reform <tt>sg</tt> to Date.
+ def self.json_create(object)
+ civil(*object.values_at('y', 'm', 'd', 'sg'))
+ end
+
+ alias start sg unless method_defined?(:start)
+
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ {
+ JSON.create_id => self.class.name,
+ 'y' => year,
+ 'm' => month,
+ 'd' => day,
+ 'sg' => start,
+ }
+ end
+
+ # Stores class name (Date) with Julian year <tt>y</tt>, month <tt>m</tt>, day
+ # <tt>d</tt> and Day of Calendar Reform <tt>sg</tt> as JSON string
+ def to_json(*args)
+ as_json.to_json(*args)
+ end
+end
+
+# DateTime serialization/deserialization
+class DateTime
+
+ # Deserializes JSON string by converting year <tt>y</tt>, month <tt>m</tt>,
+ # day <tt>d</tt>, hour <tt>H</tt>, minute <tt>M</tt>, second <tt>S</tt>,
+ # offset <tt>of</tt> and Day of Calendar Reform <tt>sg</tt> to DateTime.
+ def self.json_create(object)
+ args = object.values_at('y', 'm', 'd', 'H', 'M', 'S')
+ of_a, of_b = object['of'].split('/')
+ if of_b and of_b != '0'
+ args << Rational(of_a.to_i, of_b.to_i)
+ else
+ args << of_a
+ end
+ args << object['sg']
+ civil(*args)
+ end
+
+ alias start sg unless method_defined?(:start)
+
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ {
+ JSON.create_id => self.class.name,
+ 'y' => year,
+ 'm' => month,
+ 'd' => day,
+ 'H' => hour,
+ 'M' => min,
+ 'S' => sec,
+ 'of' => offset.to_s,
+ 'sg' => start,
+ }
+ end
+
+ # Stores class name (DateTime) with Julian year <tt>y</tt>, month <tt>m</tt>,
+ # day <tt>d</tt>, hour <tt>H</tt>, minute <tt>M</tt>, second <tt>S</tt>,
+ # offset <tt>of</tt> and Day of Calendar Reform <tt>sg</tt> as JSON string
+ def to_json(*args)
+ as_json.to_json(*args)
+ end
+end
+
+# Range serialization/deserialization
+class Range
+
+ # Deserializes JSON string by constructing new Range object with arguments
+ # <tt>a</tt> serialized by <tt>to_json</tt>.
+ def self.json_create(object)
+ new(*object['a'])
+ end
+
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ {
+ JSON.create_id => self.class.name,
+ 'a' => [ first, last, exclude_end? ]
+ }
+ end
+
+ # Stores class name (Range) with JSON array of arguments <tt>a</tt> which
+ # include <tt>first</tt> (integer), <tt>last</tt> (integer), and
+ # <tt>exclude_end?</tt> (boolean) as JSON string.
+ def to_json(*args)
+ as_json.to_json(*args)
+ end
+end
+
+# Struct serialization/deserialization
+class Struct
+
+ # Deserializes JSON string by constructing new Struct object with values
+ # <tt>v</tt> serialized by <tt>to_json</tt>.
+ def self.json_create(object)
+ new(*object['v'])
+ end
+
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ klass = self.class.name
+ klass.to_s.empty? and raise JSON::JSONError, "Only named structs are supported!"
+ {
+ JSON.create_id => klass,
+ 'v' => values,
+ }
+ end
+
+ # Stores class name (Struct) with Struct values <tt>v</tt> as a JSON string.
+ # Only named structs are supported.
+ def to_json(*args)
+ as_json.to_json(*args)
+ end
+end
+
+# Exception serialization/deserialization
+class Exception
+
+ # Deserializes JSON string by constructing new Exception object with message
+ # <tt>m</tt> and backtrace <tt>b</tt> serialized with <tt>to_json</tt>
+ def self.json_create(object)
+ result = new(object['m'])
+ result.set_backtrace object['b']
+ result
+ end
+
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ {
+ JSON.create_id => self.class.name,
+ 'm' => message,
+ 'b' => backtrace,
+ }
+ end
+
+ # Stores class name (Exception) with message <tt>m</tt> and backtrace array
+ # <tt>b</tt> as JSON string
+ def to_json(*args)
+ as_json.to_json(*args)
+ end
+end
+
+# Regexp serialization/deserialization
+class Regexp
+
+ # Deserializes JSON string by constructing new Regexp object with source
+ # <tt>s</tt> (Regexp or String) and options <tt>o</tt> serialized by
+ # <tt>to_json</tt>
+ def self.json_create(object)
+ new(object['s'], object['o'])
+ end
+
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ {
+ JSON.create_id => self.class.name,
+ 'o' => options,
+ 's' => source,
+ }
+ end
+
+ # Stores class name (Regexp) with options <tt>o</tt> and source <tt>s</tt>
+ # (Regexp or String) as JSON string
+ def to_json(*)
+ as_json.to_json
+ end
+end
Code Review / packages / precise / mcollective.git / blobdiff