Module: Thrift::Struct_Union

Defined in:
lib/thrift/struct_union.rb

Constant Summary collapse

CONTAINER_TYPES = 
[]

Instance Method Summary collapse

Instance Method Details

#each_field ⇒ Object 



35
36
37
38
39
40
 
# File 'lib/thrift/struct_union.rb', line 35

def each_field
  struct_fields.keys.sort.each do |fid|
    data = struct_fields[fid]
    yield fid, data
  end
end

#field_info(field) ⇒ Object 



118
119
120
121
122
123
124
 
# File 'lib/thrift/struct_union.rb', line 118

def field_info(field)
  { :type => field[:type],
    :class => field[:class],
    :key => field[:key],
    :value => field[:value],
    :element => field[:element] }
end

#inspect_collection(collection, field_info) ⇒ Object 



151
152
153
154
155
156
157
 
# File 'lib/thrift/struct_union.rb', line 151

def inspect_collection(collection, field_info)
  buf = []
  collection.each do |k|
    buf << inspect_field(k, field_info[:element])
  end
  "[" + buf.join(", ") + "]"      
end

#inspect_field(value, field_info) ⇒ Object 



126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
 
# File 'lib/thrift/struct_union.rb', line 126

def inspect_field(value, field_info)
  if enum_class = field_info[:enum_class]
    "#{enum_class.const_get(:VALUE_MAP)[value]} (#{value})"
  elsif value.is_a? Hash 
    if field_info[:type] == Types::MAP
      map_buf = []
      value.each do |k, v|
        map_buf << inspect_field(k, field_info[:key]) + ": " + inspect_field(v, field_info[:value])
      end
      "{" + map_buf.join(", ") + "}"
    else
      # old-style set
      inspect_collection(value.keys, field_info)
    end
  elsif value.is_a? Array
    inspect_collection(value, field_info)
  elsif value.is_a? Set
    inspect_collection(value, field_info)
  elsif value.is_a?(String) && field_info[:binary]
    value.unpack("H*").first
  else
    value.inspect
  end
end

#is_container?(type) ⇒ Boolean

Returns:

  • (Boolean) 


114
115
116
 
# File 'lib/thrift/struct_union.rb', line 114

def is_container?(type)
  CONTAINER_TYPES[type]
end

#name_to_id(name) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
 
# File 'lib/thrift/struct_union.rb', line 23

def name_to_id(name)
  names_to_ids = self.class.instance_variable_get("@names_to_ids")
  unless names_to_ids
    names_to_ids = {}
    struct_fields.each do |fid, field_def|
      names_to_ids[field_def[:name]] = fid
    end
    self.class.instance_variable_set("@names_to_ids", names_to_ids)
  end
  names_to_ids[name]
end

#read_field(iprot, field = {}) ⇒ Object 



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
 
# File 'lib/thrift/struct_union.rb', line 42

def read_field(iprot, field = {})
  case field[:type]
  when Types::STRUCT
    value = field[:class].new
    value.read(iprot)
  when Types::MAP
    key_type, val_type, size = iprot.read_map_begin
    value = {}
    size.times do
      k = read_field(iprot, field_info(field[:key]))
      v = read_field(iprot, field_info(field[:value]))
      value[k] = v
    end
    iprot.read_map_end
  when Types::LIST
    e_type, size = iprot.read_list_begin
    value = Array.new(size) do |n|
      read_field(iprot, field_info(field[:element]))
    end
    iprot.read_list_end
  when Types::SET
    e_type, size = iprot.read_set_begin
    value = Set.new
    size.times do
      element = read_field(iprot, field_info(field[:element]))
      value << element
    end
    iprot.read_set_end
  else
    value = iprot.read_type(field[:type])
  end
  value
end

#write_container(oprot, value, field = {}) ⇒ Object 



84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
 
# File 'lib/thrift/struct_union.rb', line 84

def write_container(oprot, value, field = {})
  case field[:type]
  when Types::MAP
    oprot.write_map_begin(field[:key][:type], field[:value][:type], value.size)
    value.each do |k, v|
      write_data(oprot, k, field[:key])
      write_data(oprot, v, field[:value])
    end
    oprot.write_map_end
  when Types::LIST
    oprot.write_list_begin(field[:element][:type], value.size)
    value.each do |elem|
      write_data(oprot, elem, field[:element])
    end
    oprot.write_list_end
  when Types::SET
    oprot.write_set_begin(field[:element][:type], value.size)
    value.each do |v,| # the , is to preserve compatibility with the old Hash-style sets
      write_data(oprot, v, field[:element])
    end
    oprot.write_set_end
  else
    raise "Not a container type: #{field[:type]}"
  end
end

#write_data(oprot, value, field) ⇒ Object 



76
77
78
79
80
81
82
 
# File 'lib/thrift/struct_union.rb', line 76

def write_data(oprot, value, field)
  if is_container? field[:type]
    write_container(oprot, value, field)
  else
    oprot.write_type(field[:type], value)
  end
end