github.com/matm/etcd@v0.3.1-0.20140328024009-5b4a473f1453/third_party/code.google.com/p/gogoprotobuf/proto/text_gogo.go (about) 1 // Copyright (c) 2013, Vastech SA (PTY) LTD. All rights reserved. 2 // http://code.google.com/p/gogoprotobuf/gogoproto 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // 15 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27 package proto 28 29 import ( 30 "fmt" 31 "reflect" 32 ) 33 34 func writeEnum(w *textWriter, v reflect.Value, props *Properties) error { 35 m, ok := enumStringMaps[props.Enum] 36 if !ok { 37 if err := writeAny(w, v, props); err != nil { 38 return err 39 } 40 } 41 key := int32(0) 42 if v.Kind() == reflect.Ptr { 43 key = int32(v.Elem().Int()) 44 } else { 45 key = int32(v.Int()) 46 } 47 s, ok := m[key] 48 if !ok { 49 if err := writeAny(w, v, props); err != nil { 50 return err 51 } 52 } 53 _, err := fmt.Fprint(w, s) 54 return err 55 }