Switched to using AutoParse for schemas.

This commit is contained in:
Bob Aman 2011-09-22 16:27:24 +03:00
parent af104f8c5f
commit 06af19a112
2 changed files with 3 additions and 202 deletions

View File

@ -16,6 +16,7 @@
require 'time' require 'time'
require 'json' require 'json'
require 'base64' require 'base64'
require 'autoparse'
require 'addressable/uri' require 'addressable/uri'
require 'addressable/template' require 'addressable/template'
@ -56,44 +57,7 @@ module Google
# redefine it. This means that reloading a schema which has already # redefine it. This means that reloading a schema which has already
# been loaded into memory is not possible. # been loaded into memory is not possible.
unless schema_class unless schema_class
schema = self schema_class = AutoParse.generate(schema_data)
schema_class = Class.new(APIObject) do |klass|
properties = []
define_method('schema') do
schema_data
end
(schema_data['properties'] || []).each do |(k, v)|
property_name = Google::INFLECTOR.underscore(k)
properties << property_name.to_sym
define_method(:schema) { schema }
define_method(property_name + '_schema') do
v
end
define_method(property_name + '_description') do
v['description']
end
case v['type']
when 'string'
define_string_property(api, property_name, k, v)
when 'boolean'
define_boolean_property(api, property_name, k, v)
when 'number'
define_number_property(api, property_name, k, v)
when 'array'
define_array_property(api, property_name, k, v)
when 'object'
define_object_property(api, property_name, k, v)
else
# Either type 'any' or we don't know what this is,
# default to anything goes.
define_any_property(api, property_name, k, v)
end
end
define_method('properties') do
properties
end
end
if schema_name if schema_name
api_version.const_set(schema_name, schema_class) api_version.const_set(schema_name, schema_class)
end end
@ -101,169 +65,5 @@ module Google
return schema_class return schema_class
end end
end end
class APIObject
def self.define_string_property(api, property_name, key, schema_data)
define_method(property_name) do
self[key] ||= schema_data['default']
if schema_data['format'] == 'byte' && self[key] != nil
Base64.decode64(self[key])
elsif schema_data['format'] == 'date-time' && self[key] != nil
Time.parse(self[key])
elsif schema_data['format'] =~ /^u?int(32|64)$/ && self[key] != nil
self[key].to_i
else
self[key]
end
end
define_method(property_name + '=') do |value|
if schema_data['format'] == 'byte'
self[key] = Base64.encode64(value)
elsif schema_data['format'] == 'date-time'
if value.respond_to?(:to_str)
value = Time.parse(value.to_str)
elsif !value.respond_to?(:xmlschema)
raise TypeError,
"Could not obtain RFC 3339 timestamp from #{value.class}."
end
self[key] = value.xmlschema
elsif schema_data['format'] =~ /^u?int(32|64)$/
self[key] = value.to_s
elsif value.respond_to?(:to_str)
self[key] = value.to_str
elsif value.kind_of?(Symbol)
self[key] = value.to_s
else
raise TypeError,
"Expected String or Symbol, got #{value.class}."
end
end
end
def self.define_boolean_property(api, property_name, key, schema_data)
define_method(property_name) do
self[key] ||= schema_data['default']
case self[key].to_s.downcase
when 'true', 'yes', 'y', 'on', '1'
true
when 'false', 'no', 'n', 'off', '0'
false
when 'nil', 'null'
nil
else
raise TypeError,
"Expected boolean, got #{self[key].class}."
end
end
define_method(property_name + '=') do |value|
case value.to_s.downcase
when 'true', 'yes', 'y', 'on', '1'
self[key] = true
when 'false', 'no', 'n', 'off', '0'
self[key] = false
when 'nil', 'null'
self[key] = nil
else
raise TypeError, "Expected boolean, got #{value.class}."
end
end
end
def self.define_number_property(api, property_name, key, schema_data)
define_method(property_name) do
self[key] ||= schema_data['default']
if self[key] != nil && !self[key].respond_to?(:to_f)
raise TypeError,
"Expected Float, got #{self[key].class}."
elsif self[key] != nil && self[key].respond_to?(:to_f)
self[key].to_f
else
self[key]
end
end
define_method(property_name + '=') do |value|
if value == nil
self[key] = value
else
case schema_data['format']
when 'double', 'float'
if value.respond_to?(:to_f)
self[key] = value.to_f
else
raise TypeError,
"Expected String or Symbol, got #{value.class}."
end
else
raise TypeError,
"Unexpected type format for number: #{schema_data['format']}."
end
end
end
end
def self.define_array_property(api, property_name, key, schema_data)
define_method(property_name) do
# The default value of an empty Array obviates a mutator method.
self[key] ||= []
array = if self[key] != nil && !self[key].respond_to?(:to_ary)
raise TypeError,
"Expected Array, got #{self[key].class}."
else
self[key].to_ary
end
if schema_data['items'] && schema_data['items']['$ref']
schema_name = schema_data['items']['$ref']
if api.schemas[schema_name]
schema_class = api.schemas[schema_name]
array.map! do |item|
schema_class.new(item)
end
else
raise ArgumentError,
"Could not find schema '#{schema_name}' in API '#{api.id}'."
end
end
array
end
end
def self.define_object_property(api, property_name, key, schema_data)
# TODO finish this up...
schema = Schema.parse(api, schema_data)
define_method(property_name) do
self[key] ||= schema_data['default']
schema.new(self[key])
end
end
def self.define_any_property(api, property_name, key, schema_data)
define_method(property_name) do
self[key] ||= schema_data['default']
end
define_method(property_name + '=') do |value|
self[key] = value
end
end
def initialize(data)
@data = data
end
def [](key)
return @data[key]
end
def []=(key, value)
return @data[key] = value
end
def to_hash
return @data
end
def to_json
return JSON.generate(@data)
end
end
end end
end end

View File

@ -25,6 +25,7 @@ namespace :gem do
s.add_runtime_dependency('signet', '~> 0.2.2') s.add_runtime_dependency('signet', '~> 0.2.2')
s.add_runtime_dependency('addressable', '~> 2.2.2') s.add_runtime_dependency('addressable', '~> 2.2.2')
s.add_runtime_dependency('httpadapter', '~> 1.0.0') s.add_runtime_dependency('httpadapter', '~> 1.0.0')
s.add_runtime_dependency('autoparse', '~> 0.1.0')
s.add_runtime_dependency('json', '>= 1.4.6') s.add_runtime_dependency('json', '>= 1.4.6')
s.add_runtime_dependency('extlib', '>= 0.9.15') s.add_runtime_dependency('extlib', '>= 0.9.15')