Sha256: 6afff5e84b7f44feb5e9efbfd40b77d5653b09d0f5a8f6ee8027e771f36b38ad
Contents?: true
Size: 977 Bytes
Versions: 7
Compression:
Stored size: 977 Bytes
Contents
module Schemacop
class Caster
def initialize(casts, data, target_type)
@casts = casts
@data = data
@target_type = target_type
@caster = nil
if casts.is_a?(Array)
from_types = casts
elsif casts.is_a?(Hash)
from_types = casts.keys
else
fail Exceptions::InvalidSchemaError, 'Option `cast` must be either an array or a hash.'
end
return unless from_types.include?(data.class)
if (casts.is_a?(Array) && casts.include?(data.class)) || casts[data.class] == :default
@caster = DEFAULT_CASTERS[data.class][target_type]
else
@caster = casts[data.class]
end
end
def castable?
!@caster.nil?
end
def cast
fail 'Not castable.' unless castable?
return @caster.call(@data)
rescue => e
fail Exceptions::InvalidSchemaError,
"Could not cast value #{@value.inspect} to #{@target_type}: #{e.message}."
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems