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  }