792b4dba2c
* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3 * github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0 * github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2 * github.com/go-chi/cors v1.1.1 -> v1.2.0 * github.com/go-git/go-billy v5.0.0 -> v5.1.0 * github.com/go-git/go-git v5.2.0 -> v5.3.0 * github.com/go-ldap/ldap v3.2.4 -> v3.3.0 * github.com/go-redis/redis v8.6.0 -> v8.8.2 * github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0 * github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0 * github.com/lib/pq v1.9.0 -> v1.10.1 * github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7 * github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0 * github.com/issue9/identicon v1.0.1 -> v1.2.0 * github.com/klauspost/compress v1.11.8 -> v1.12.1 * github.com/mgechev/revive v1.0.3 -> v1.0.6 * github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8 * github.com/niklasfasching/go-org v1.4.0 -> v1.5.0 * github.com/olivere/elastic v7.0.22 -> v7.0.24 * github.com/pelletier/go-toml v1.8.1 -> v1.9.0 * github.com/prometheus/client_golang v1.9.0 -> v1.10.0 * github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0 * github.com/yuin/goldmark v1.3.3 -> v1.3.5 * github.com/6543/go-version v1.2.4 -> v1.3.1 * do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
204 lines
4.8 KiB
Go
204 lines
4.8 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package attribute // import "go.opentelemetry.io/otel/attribute"
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import (
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"encoding/json"
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"fmt"
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"reflect"
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"strconv"
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"go.opentelemetry.io/otel/internal"
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)
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//go:generate stringer -type=Type
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// Type describes the type of the data Value holds.
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type Type int
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// Value represents the value part in key-value pairs.
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type Value struct {
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vtype Type
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numeric uint64
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stringly string
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// TODO Lazy value type?
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array interface{}
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}
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const (
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// INVALID is used for a Value with no value set.
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INVALID Type = iota
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// BOOL is a boolean Type Value.
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BOOL
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// INT64 is a 64-bit signed integral Type Value.
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INT64
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// UINT32 is a 32-bit unsigned integral Type Value.
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FLOAT64
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// STRING is a string Type Value.
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STRING
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// ARRAY is an array Type Value used to store 1-dimensional slices or
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// arrays of bool, int, int32, int64, uint, uint32, uint64, float,
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// float32, float64, or string types.
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ARRAY
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)
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// BoolValue creates a BOOL Value.
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func BoolValue(v bool) Value {
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return Value{
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vtype: BOOL,
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numeric: internal.BoolToRaw(v),
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}
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}
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// Int64Value creates an INT64 Value.
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func Int64Value(v int64) Value {
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return Value{
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vtype: INT64,
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numeric: internal.Int64ToRaw(v),
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}
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}
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// Float64Value creates a FLOAT64 Value.
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func Float64Value(v float64) Value {
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return Value{
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vtype: FLOAT64,
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numeric: internal.Float64ToRaw(v),
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}
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}
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// StringValue creates a STRING Value.
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func StringValue(v string) Value {
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return Value{
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vtype: STRING,
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stringly: v,
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}
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}
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// IntValue creates an INT64 Value.
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func IntValue(v int) Value {
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return Int64Value(int64(v))
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}
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// ArrayValue creates an ARRAY value from an array or slice.
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// Only arrays or slices of bool, int, int64, float, float64, or string types are allowed.
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// Specifically, arrays and slices can not contain other arrays, slices, structs, or non-standard
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// types. If the passed value is not an array or slice of these types an
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// INVALID value is returned.
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func ArrayValue(v interface{}) Value {
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switch reflect.TypeOf(v).Kind() {
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case reflect.Array, reflect.Slice:
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// get array type regardless of dimensions
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typ := reflect.TypeOf(v).Elem()
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kind := typ.Kind()
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switch kind {
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case reflect.Bool, reflect.Int, reflect.Int64,
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reflect.Float64, reflect.String:
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val := reflect.ValueOf(v)
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length := val.Len()
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frozen := reflect.Indirect(reflect.New(reflect.ArrayOf(length, typ)))
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reflect.Copy(frozen, val)
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return Value{
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vtype: ARRAY,
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array: frozen.Interface(),
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}
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default:
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return Value{vtype: INVALID}
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}
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}
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return Value{vtype: INVALID}
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}
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// Type returns a type of the Value.
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func (v Value) Type() Type {
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return v.vtype
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}
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// AsBool returns the bool value. Make sure that the Value's type is
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// BOOL.
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func (v Value) AsBool() bool {
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return internal.RawToBool(v.numeric)
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}
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// AsInt64 returns the int64 value. Make sure that the Value's type is
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// INT64.
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func (v Value) AsInt64() int64 {
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return internal.RawToInt64(v.numeric)
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}
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// AsFloat64 returns the float64 value. Make sure that the Value's
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// type is FLOAT64.
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func (v Value) AsFloat64() float64 {
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return internal.RawToFloat64(v.numeric)
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}
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// AsString returns the string value. Make sure that the Value's type
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// is STRING.
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func (v Value) AsString() string {
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return v.stringly
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}
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// AsArray returns the array Value as an interface{}.
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func (v Value) AsArray() interface{} {
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return v.array
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}
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type unknownValueType struct{}
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// AsInterface returns Value's data as interface{}.
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func (v Value) AsInterface() interface{} {
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switch v.Type() {
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case ARRAY:
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return v.AsArray()
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case BOOL:
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return v.AsBool()
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case INT64:
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return v.AsInt64()
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case FLOAT64:
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return v.AsFloat64()
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case STRING:
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return v.stringly
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}
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return unknownValueType{}
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}
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// Emit returns a string representation of Value's data.
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func (v Value) Emit() string {
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switch v.Type() {
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case ARRAY:
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return fmt.Sprint(v.array)
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case BOOL:
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return strconv.FormatBool(v.AsBool())
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case INT64:
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return strconv.FormatInt(v.AsInt64(), 10)
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case FLOAT64:
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return fmt.Sprint(v.AsFloat64())
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case STRING:
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return v.stringly
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default:
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return "unknown"
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}
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}
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// MarshalJSON returns the JSON encoding of the Value.
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func (v Value) MarshalJSON() ([]byte, error) {
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var jsonVal struct {
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Type string
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Value interface{}
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}
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jsonVal.Type = v.Type().String()
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jsonVal.Value = v.AsInterface()
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return json.Marshal(jsonVal)
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}
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