Sha256: e2cf2ff339ed8878c41d7d858c64867235c6348deb2c389e5de66ccf8fc54983

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Size: 1.13 KB

Versions: 24

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Stored size: 1.13 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)
        (val > self.class.min || val < self.class.max)
      rescue
        false
      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

24 entries across 24 versions & 2 rubygems

Version Path
protobuffy-3.6.0 lib/protobuf/field/varint_field.rb
protobuffy-3.5.1 lib/protobuf/field/varint_field.rb
protobuffy-3.4.0 lib/protobuf/field/varint_field.rb
protobuffy-3.3.0 lib/protobuf/field/varint_field.rb
protobuffy-3.2.0 lib/protobuf/field/varint_field.rb
protobuffy-3.1.0 lib/protobuf/field/varint_field.rb
protobuf-3.3.6 lib/protobuf/field/varint_field.rb
protobuf-3.3.5 lib/protobuf/field/varint_field.rb
protobuf-3.3.4 lib/protobuf/field/varint_field.rb
protobuf-3.3.3 lib/protobuf/field/varint_field.rb
protobuf-3.3.2 lib/protobuf/field/varint_field.rb
protobuf-3.3.1 lib/protobuf/field/varint_field.rb
protobuf-3.3.0 lib/protobuf/field/varint_field.rb
protobuf-3.2.1 lib/protobuf/field/varint_field.rb
protobuf-3.2.0 lib/protobuf/field/varint_field.rb
protobuf-3.1.0 lib/protobuf/field/varint_field.rb
protobuf-3.0.5 lib/protobuf/field/varint_field.rb
protobuf-3.0.4 lib/protobuf/field/varint_field.rb
protobuf-3.0.3 lib/protobuf/field/varint_field.rb
protobuf-3.0.2 lib/protobuf/field/varint_field.rb