/usr/share/gocode/src/github.com/tendermint/go-wire/wire.go is in golang-github-tendermint-go-wire-dev 0~20161027~0git287d8ca-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 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 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | package wire
import (
"bytes"
"encoding/json"
"errors"
"io"
"reflect"
. "github.com/tendermint/go-common"
)
var ErrBinaryReadOverflow = errors.New("Error: binary read overflow")
var ErrBinaryReadInvalidLength = errors.New("Error: binary read invalid length")
var ErrBinaryWriteOverflow = errors.New("Error: binary write overflow")
const (
ReadSliceChunkSize = 1024
)
func ReadBinary(o interface{}, r io.Reader, lmt int, n *int, err *error) (res interface{}) {
rv, rt := reflect.ValueOf(o), reflect.TypeOf(o)
if rv.Kind() == reflect.Ptr {
if rv.IsNil() {
// This allows ReadBinaryObject() to return a nil pointer,
// if the value read is nil.
rvPtr := reflect.New(rt)
ReadBinaryPtr(rvPtr.Interface(), r, lmt, n, err)
res = rvPtr.Elem().Interface()
} else {
readReflectBinary(rv, rt, Options{}, r, lmt, n, err)
res = o
}
} else {
ptrRv := reflect.New(rt)
readReflectBinary(ptrRv.Elem(), rt, Options{}, r, lmt, n, err)
res = ptrRv.Elem().Interface()
}
if lmt != 0 && lmt < *n && *err == nil {
*err = ErrBinaryReadOverflow
}
return res
}
func ReadBinaryPtr(o interface{}, r io.Reader, lmt int, n *int, err *error) (res interface{}) {
rv, rt := reflect.ValueOf(o), reflect.TypeOf(o)
if rv.Kind() == reflect.Ptr {
readReflectBinary(rv.Elem(), rt.Elem(), Options{}, r, lmt, n, err)
} else {
PanicSanity("ReadBinaryPtr expects o to be a pointer")
}
res = o
if lmt != 0 && lmt < *n && *err == nil {
*err = ErrBinaryReadOverflow
}
return res
}
func ReadBinaryPtrLengthPrefixed(o interface{}, r io.Reader, lmt int, n *int, err *error) (res interface{}) {
length := ReadVarint(r, n, err)
nSave := *n
res = ReadBinaryPtr(o, r, lmt, n, err)
nRes := *n - nSave
if nRes != length && *err == nil {
*err = errors.New(Fmt("Error: binary ready wrong length prefix. Declared:%v vs actual:%v", length, nRes))
}
return res
}
func WriteBinary(o interface{}, w io.Writer, n *int, err *error) {
rv := reflect.ValueOf(o)
rt := reflect.TypeOf(o)
writeReflectBinary(rv, rt, Options{}, w, n, err)
}
func WriteBinaryLengthPrefixed(o interface{}, w io.Writer, n *int, err *error) {
var bufN int
var buf = new(bytes.Buffer)
WriteBinary(o, buf, &bufN, err)
WriteVarint(buf.Len(), w, n, err)
WriteTo(buf.Bytes(), w, n, err)
}
func ReadJSON(o interface{}, bytes []byte, err *error) interface{} {
var object interface{}
*err = json.Unmarshal(bytes, &object)
if *err != nil {
return o
}
return ReadJSONObject(o, object, err)
}
func ReadJSONPtr(o interface{}, bytes []byte, err *error) interface{} {
var object interface{}
*err = json.Unmarshal(bytes, &object)
if *err != nil {
return o
}
return ReadJSONObjectPtr(o, object, err)
}
// o is the ultimate destination, object is the result of json unmarshal
func ReadJSONObject(o interface{}, object interface{}, err *error) interface{} {
rv, rt := reflect.ValueOf(o), reflect.TypeOf(o)
if rv.Kind() == reflect.Ptr {
if rv.IsNil() {
// This allows ReadJSONObject() to return a nil pointer
// if the value read is nil.
rvPtr := reflect.New(rt)
ReadJSONObjectPtr(rvPtr.Interface(), object, err)
return rvPtr.Elem().Interface()
} else {
readReflectJSON(rv, rt, Options{}, object, err)
return o
}
} else {
ptrRv := reflect.New(rt)
readReflectJSON(ptrRv.Elem(), rt, Options{}, object, err)
return ptrRv.Elem().Interface()
}
}
func ReadJSONObjectPtr(o interface{}, object interface{}, err *error) interface{} {
rv, rt := reflect.ValueOf(o), reflect.TypeOf(o)
if rv.Kind() == reflect.Ptr {
readReflectJSON(rv.Elem(), rt.Elem(), Options{}, object, err)
} else {
PanicSanity("ReadJSON(Object)Ptr expects o to be a pointer")
}
return o
}
func WriteJSON(o interface{}, w io.Writer, n *int, err *error) {
rv := reflect.ValueOf(o)
rt := reflect.TypeOf(o)
if rv.Kind() == reflect.Ptr {
rv, rt = rv.Elem(), rt.Elem()
}
writeReflectJSON(rv, rt, Options{}, w, n, err)
}
// Write all of bz to w
// Increment n and set err accordingly.
func WriteTo(bz []byte, w io.Writer, n *int, err *error) {
if *err != nil {
return
}
n_, err_ := w.Write(bz)
*n += n_
*err = err_
}
// Read len(buf) from r
// Increment n and set err accordingly.
func ReadFull(buf []byte, r io.Reader, n *int, err *error) {
if *err != nil {
return
}
n_, err_ := io.ReadFull(r, buf)
*n += n_
*err = err_
}
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