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Diffstat (limited to 'lib/rb/lib/thrift/protocol/base_protocol.rb')
| -rw-r--r-- | lib/rb/lib/thrift/protocol/base_protocol.rb | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/lib/rb/lib/thrift/protocol/base_protocol.rb b/lib/rb/lib/thrift/protocol/base_protocol.rb new file mode 100644 index 000000000..b19909d5f --- /dev/null +++ b/lib/rb/lib/thrift/protocol/base_protocol.rb @@ -0,0 +1,290 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +# this require is to make generated struct definitions happy +require 'set' + +module Thrift + class ProtocolException < Exception + + UNKNOWN = 0 + INVALID_DATA = 1 + NEGATIVE_SIZE = 2 + SIZE_LIMIT = 3 + BAD_VERSION = 4 + + attr_reader :type + + def initialize(type=UNKNOWN, message=nil) + super(message) + @type = type + end + end + + class BaseProtocol + + attr_reader :trans + + def initialize(trans) + @trans = trans + end + + def native? + puts "wrong method is being called!" + false + end + + def write_message_begin(name, type, seqid) + raise NotImplementedError + end + + def write_message_end; nil; end + + def write_struct_begin(name) + raise NotImplementedError + end + + def write_struct_end; nil; end + + def write_field_begin(name, type, id) + raise NotImplementedError + end + + def write_field_end; nil; end + + def write_field_stop + raise NotImplementedError + end + + def write_map_begin(ktype, vtype, size) + raise NotImplementedError + end + + def write_map_end; nil; end + + def write_list_begin(etype, size) + raise NotImplementedError + end + + def write_list_end; nil; end + + def write_set_begin(etype, size) + raise NotImplementedError + end + + def write_set_end; nil; end + + def write_bool(bool) + raise NotImplementedError + end + + def write_byte(byte) + raise NotImplementedError + end + + def write_i16(i16) + raise NotImplementedError + end + + def write_i32(i32) + raise NotImplementedError + end + + def write_i64(i64) + raise NotImplementedError + end + + def write_double(dub) + raise NotImplementedError + end + + def write_string(str) + raise NotImplementedError + end + + def read_message_begin + raise NotImplementedError + end + + def read_message_end; nil; end + + def read_struct_begin + raise NotImplementedError + end + + def read_struct_end; nil; end + + def read_field_begin + raise NotImplementedError + end + + def read_field_end; nil; end + + def read_map_begin + raise NotImplementedError + end + + def read_map_end; nil; end + + def read_list_begin + raise NotImplementedError + end + + def read_list_end; nil; end + + def read_set_begin + raise NotImplementedError + end + + def read_set_end; nil; end + + def read_bool + raise NotImplementedError + end + + def read_byte + raise NotImplementedError + end + + def read_i16 + raise NotImplementedError + end + + def read_i32 + raise NotImplementedError + end + + def read_i64 + raise NotImplementedError + end + + def read_double + raise NotImplementedError + end + + def read_string + raise NotImplementedError + end + + def write_field(name, type, fid, value) + write_field_begin(name, type, fid) + write_type(type, value) + write_field_end + end + + def write_type(type, value) + case type + when Types::BOOL + write_bool(value) + when Types::BYTE + write_byte(value) + when Types::DOUBLE + write_double(value) + when Types::I16 + write_i16(value) + when Types::I32 + write_i32(value) + when Types::I64 + write_i64(value) + when Types::STRING + write_string(value) + when Types::STRUCT + value.write(self) + else + raise NotImplementedError + end + end + + def read_type(type) + case type + when Types::BOOL + read_bool + when Types::BYTE + read_byte + when Types::DOUBLE + read_double + when Types::I16 + read_i16 + when Types::I32 + read_i32 + when Types::I64 + read_i64 + when Types::STRING + read_string + else + raise NotImplementedError + end + end + + def skip(type) + case type + when Types::STOP + nil + when Types::BOOL + read_bool + when Types::BYTE + read_byte + when Types::I16 + read_i16 + when Types::I32 + read_i32 + when Types::I64 + read_i64 + when Types::DOUBLE + read_double + when Types::STRING + read_string + when Types::STRUCT + read_struct_begin + while true + name, type, id = read_field_begin + break if type == Types::STOP + skip(type) + read_field_end + end + read_struct_end + when Types::MAP + ktype, vtype, size = read_map_begin + size.times do + skip(ktype) + skip(vtype) + end + read_map_end + when Types::SET + etype, size = read_set_begin + size.times do + skip(etype) + end + read_set_end + when Types::LIST + etype, size = read_list_begin + size.times do + skip(etype) + end + read_list_end + end + end + end + + class BaseProtocolFactory + def get_protocol(trans) + raise NotImplementedError + end + end +end
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