Sha256: 9677507c2170dc5a0766851bd8d8d9429f111e098b1f23be3b1bf2e7f9d2df8d

Contents?: true

Size: 1.27 KB

Versions: 9

Compression:

Stored size: 1.27 KB

Contents

require 'protobuf/field/base_field'

module Protobuf
  module Field
    class VarintField < BaseField

      ##
      # Constants
      #

      INT32_MAX  =  2**31 - 1
      INT32_MIN  = -2**31
      INT64_MAX  =  2**63 - 1
      INT64_MIN  = -2**63
      UINT32_MAX =  2**32 - 1
      UINT64_MAX =  2**64 - 1

      ##
      # Class Methods
      #

      def self.default
        0
      end

      def self.encode(value)
        bytes = []
        until value < 128
          bytes << (0x80 | (value & 0x7f))
          value >>= 7
        end
        (bytes << value).pack('C*')
      end

      ##
      # Public Instance Methods
      #

      def acceptable?(val)
        int_val = coerce!(val)
        int_val >= self.class.min && int_val <= self.class.max
      rescue
        false
      end

      def coerce!(val)
        return val.to_i if val.is_a?(Numeric)
        Integer(val, 10)
      end

      def decode(value)
        value
      end

      def encode(value)
        return [value].pack('C') if value < 128

        bytes = []
        until value == 0
          bytes << (0x80 | (value & 0x7f))
          value >>= 7
        end
        bytes[-1] &= 0x7f
        bytes.pack('C*')
      end

      def wire_type
        ::Protobuf::WireType::VARINT
      end

    end
  end
end

Version data entries

9 entries across 9 versions & 3 rubygems

Version Path
protobuf-core-3.5.0 lib/protobuf/field/varint_field.rb
protobuf-3.5.5 lib/protobuf/field/varint_field.rb
protobuf-3.5.4 lib/protobuf/field/varint_field.rb
protobuf-3.5.3 lib/protobuf/field/varint_field.rb
protobuf-3.5.2 lib/protobuf/field/varint_field.rb
protobuf-3.5.1 lib/protobuf/field/varint_field.rb
prepor-protobuf-3.5.1 lib/protobuf/field/varint_field.rb
prepor-protobuf-3.5.0 lib/protobuf/field/varint_field.rb
protobuf-3.5.0 lib/protobuf/field/varint_field.rb