From 9e41c1997c096330634e5596db8265eb7e7072f9 Mon Sep 17 00:00:00 2001 From: Florian Frank Date: Mon, 20 Jun 2011 12:03:13 +0200 Subject: Define as_json methods, so rails can make objects --- lib/json/add/core.rb | 147 +++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 106 insertions(+), 41 deletions(-) (limited to 'lib/json') diff --git a/lib/json/add/core.rb b/lib/json/add/core.rb index 955fdc6..9c06a9b 100644 --- a/lib/json/add/core.rb +++ b/lib/json/add/core.rb @@ -8,12 +8,18 @@ require 'date' # Symbol serialization/deserialization class Symbol - # Stores class name (Symbol) with String representation of Symbol as a JSON string. - def to_json(*a) + # 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, - }.to_json(*a) + '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 string value stored in the object to a Symbol @@ -36,43 +42,60 @@ class Time at(object['s'], object['n'] / 1000) end end - - # Stores class name (Time) with number of seconds since epoch and number of microseconds for Time as JSON string - def to_json(*args) + + # 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' => tv_sec, - 'n' => respond_to?(:tv_nsec) ? tv_nsec : tv_usec * 1000 - }.to_json(*args) + 's' => tv_sec, + 'n' => respond_to?(:tv_nsec) ? tv_nsec : tv_usec * 1000 + } + 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 y, month m, day d and Day of Calendar Reform sg to Date. + # Deserializes JSON string by converting Julian year y, month + # m, day d and Day of Calendar Reform sg to Date. def self.json_create(object) civil(*object.values_at('y', 'm', 'd', 'sg')) end alias start sg unless method_defined?(:start) - - # Stores class name (Date) with Julian year y, month m, day d and Day of Calendar Reform sg as JSON string - def to_json(*args) + + # 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, - }.to_json(*args) + } + end + + # Stores class name (Date) with Julian year y, month m, day + # d and Day of Calendar Reform sg 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 y, month m, day d, hour H, minute M, second S, offset of and Day of Calendar Reform sg to DateTime. + # Deserializes JSON string by converting year y, month m, + # day d, hour H, minute M, second S, + # offset of and Day of Calendar Reform sg to DateTime. def self.json_create(object) args = object.values_at('y', 'm', 'd', 'H', 'M', 'S') of_a, of_b = object['of'].split('/') @@ -86,9 +109,10 @@ class DateTime end alias start sg unless method_defined?(:start) - - # Stores class name (DateTime) with Julian year y, month m, day d, hour H, minute M, second S, offset of and Day of Calendar Reform sg as JSON string - def to_json(*args) + + # 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, @@ -99,80 +123,121 @@ class DateTime 'S' => sec, 'of' => offset.to_s, 'sg' => start, - }.to_json(*args) + } + end + + # Stores class name (DateTime) with Julian year y, month m, + # day d, hour H, minute M, second S, + # offset of and Day of Calendar Reform sg 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 a serialized by to_json. + # Deserializes JSON string by constructing new Range object with arguments + # a serialized by to_json. def self.json_create(object) new(*object['a']) end - # Stores class name (Range) with JSON array of arguments a which include first (integer), last (integer), and exclude_end? (boolean) as JSON string. - def to_json(*args) + # 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? ] - }.to_json(*args) + JSON.create_id => self.class.name, + 'a' => [ first, last, exclude_end? ] + } + end + + # Stores class name (Range) with JSON array of arguments a which + # include first (integer), last (integer), and + # exclude_end? (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 v serialized by to_json. + # Deserializes JSON string by constructing new Struct object with values + # v serialized by to_json. def self.json_create(object) new(*object['v']) end - # Stores class name (Struct) with Struct values v as a JSON string. Only named structs are supported. - def to_json(*args) + # 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, - }.to_json(*args) + 'v' => values, + } + end + + # Stores class name (Struct) with Struct values v 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 m and backtrace b serialized with to_json + # Deserializes JSON string by constructing new Exception object with message + # m and backtrace b serialized with to_json def self.json_create(object) result = new(object['m']) result.set_backtrace object['b'] result end - # Stores class name (Exception) with message m and backtrace array b as JSON string - def to_json(*args) + # 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, - }.to_json(*args) + 'm' => message, + 'b' => backtrace, + } + end + + # Stores class name (Exception) with message m and backtrace array + # b 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 s (Regexp or String) and options o serialized by to_json + # Deserializes JSON string by constructing new Regexp object with source + # s (Regexp or String) and options o serialized by + # to_json def self.json_create(object) new(object['s'], object['o']) end - # Stores class name (Regexp) with options o and source s (Regexp or String) as JSON string - def to_json(*) + # 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, - }.to_json + } + end + + # Stores class name (Regexp) with options o and source s + # (Regexp or String) as JSON string + def to_json(*) + as_json.to_json end end -- cgit v1.2.1