github.com/artyom/thrift@v0.0.0-20130902103359-388840a05deb/field.go (about) 1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20 package thrift 21 22 // Helper class that encapsulates field metadata. 23 type field struct { 24 name string 25 typeId TType 26 id int 27 } 28 29 func newField(n string, t TType, i int) *field { 30 return &field{name: n, typeId: t, id: i} 31 } 32 33 func (p *field) Name() string { 34 if p == nil { 35 return "" 36 } 37 return p.name 38 } 39 40 func (p *field) TypeId() TType { 41 if p == nil { 42 return TType(VOID) 43 } 44 return p.typeId 45 } 46 47 func (p *field) Id() int { 48 if p == nil { 49 return -1 50 } 51 return p.id 52 } 53 54 func (p *field) String() string { 55 if p == nil { 56 return "<nil>" 57 } 58 return "<TField name:'" + p.name + "' type:" + string(p.typeId) + " field-id:" + string(p.id) + ">" 59 } 60 61 var ANONYMOUS_FIELD *field 62 63 type fieldSlice []field 64 65 func (p fieldSlice) Len() int { 66 return len(p) 67 } 68 69 func (p fieldSlice) Less(i, j int) bool { 70 return p[i].Id() < p[j].Id() 71 } 72 73 func (p fieldSlice) Swap(i, j int) { 74 p[i], p[j] = p[j], p[i] 75 } 76 77 func init() { 78 ANONYMOUS_FIELD = newField("", STOP, 0) 79 }