forked from TrueCloudLab/distribution
vendor: github.com/mitchellh/mapstructure v1.5.0
note that this repository will be sunset, and the "endorsed" fork will be maintened by "go-viper". Updating the dependency to the latest version in preparation. full diff: https://github.com/mitchellh/mapstructure/compare/v1.1.2...v1.5.0 Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
parent
012adcae7d
commit
bdfa8324a0
7 changed files with 635 additions and 115 deletions
2
go.mod
2
go.mod
|
@ -20,7 +20,7 @@ require (
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github.com/gorilla/mux v1.8.1
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github.com/gorilla/mux v1.8.1
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github.com/hashicorp/golang-lru/arc/v2 v2.0.5
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github.com/hashicorp/golang-lru/arc/v2 v2.0.5
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github.com/klauspost/compress v1.17.4
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github.com/klauspost/compress v1.17.4
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github.com/mitchellh/mapstructure v1.1.2
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github.com/mitchellh/mapstructure v1.5.0
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github.com/opencontainers/go-digest v1.0.0
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github.com/opencontainers/go-digest v1.0.0
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github.com/opencontainers/image-spec v1.0.2
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github.com/opencontainers/image-spec v1.0.2
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github.com/redis/go-redis/extra/redisotel/v9 v9.0.5
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github.com/redis/go-redis/extra/redisotel/v9 v9.0.5
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4
go.sum
4
go.sum
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@ -171,8 +171,8 @@ github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+
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github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
|
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
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github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
|
github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
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github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
|
github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
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github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
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github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
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github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
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github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
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github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
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github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
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8
vendor/github.com/mitchellh/mapstructure/.travis.yml
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vendored
8
vendor/github.com/mitchellh/mapstructure/.travis.yml
generated
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@ -1,8 +0,0 @@
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language: go
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go:
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- "1.11.x"
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- tip
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script:
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- go test
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75
vendor/github.com/mitchellh/mapstructure/CHANGELOG.md
generated
vendored
75
vendor/github.com/mitchellh/mapstructure/CHANGELOG.md
generated
vendored
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@ -1,3 +1,78 @@
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## 1.5.0
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* New option `IgnoreUntaggedFields` to ignore decoding to any fields
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without `mapstructure` (or the configured tag name) set [GH-277]
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* New option `ErrorUnset` which makes it an error if any fields
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in a target struct are not set by the decoding process. [GH-225]
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* New function `OrComposeDecodeHookFunc` to help compose decode hooks. [GH-240]
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* Decoding to slice from array no longer crashes [GH-265]
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* Decode nested struct pointers to map [GH-271]
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* Fix issue where `,squash` was ignored if `Squash` option was set. [GH-280]
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* Fix issue where fields with `,omitempty` would sometimes decode
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into a map with an empty string key [GH-281]
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## 1.4.3
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* Fix cases where `json.Number` didn't decode properly [GH-261]
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## 1.4.2
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* Custom name matchers to support any sort of casing, formatting, etc. for
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field names. [GH-250]
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* Fix possible panic in ComposeDecodeHookFunc [GH-251]
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## 1.4.1
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* Fix regression where `*time.Time` value would be set to empty and not be sent
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to decode hooks properly [GH-232]
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## 1.4.0
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* A new decode hook type `DecodeHookFuncValue` has been added that has
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access to the full values. [GH-183]
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* Squash is now supported with embedded fields that are struct pointers [GH-205]
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* Empty strings will convert to 0 for all numeric types when weakly decoding [GH-206]
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## 1.3.3
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* Decoding maps from maps creates a settable value for decode hooks [GH-203]
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## 1.3.2
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* Decode into interface type with a struct value is supported [GH-187]
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## 1.3.1
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* Squash should only squash embedded structs. [GH-194]
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## 1.3.0
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* Added `",omitempty"` support. This will ignore zero values in the source
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structure when encoding. [GH-145]
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## 1.2.3
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* Fix duplicate entries in Keys list with pointer values. [GH-185]
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## 1.2.2
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* Do not add unsettable (unexported) values to the unused metadata key
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or "remain" value. [GH-150]
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## 1.2.1
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* Go modules checksum mismatch fix
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## 1.2.0
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* Added support to capture unused values in a field using the `",remain"` value
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in the mapstructure tag. There is an example to showcase usage.
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* Added `DecoderConfig` option to always squash embedded structs
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* `json.Number` can decode into `uint` types
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* Empty slices are preserved and not replaced with nil slices
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* Fix panic that can occur in when decoding a map into a nil slice of structs
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* Improved package documentation for godoc
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## 1.1.2
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## 1.1.2
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* Fix error when decode hook decodes interface implementation into interface
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* Fix error when decode hook decodes interface implementation into interface
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94
vendor/github.com/mitchellh/mapstructure/decode_hooks.go
generated
vendored
94
vendor/github.com/mitchellh/mapstructure/decode_hooks.go
generated
vendored
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@ -1,6 +1,7 @@
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package mapstructure
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package mapstructure
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import (
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import (
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"encoding"
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"errors"
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"errors"
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"fmt"
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"fmt"
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"net"
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"net"
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@ -16,10 +17,11 @@ func typedDecodeHook(h DecodeHookFunc) DecodeHookFunc {
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// Create variables here so we can reference them with the reflect pkg
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// Create variables here so we can reference them with the reflect pkg
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var f1 DecodeHookFuncType
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var f1 DecodeHookFuncType
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var f2 DecodeHookFuncKind
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var f2 DecodeHookFuncKind
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var f3 DecodeHookFuncValue
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// Fill in the variables into this interface and the rest is done
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// Fill in the variables into this interface and the rest is done
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// automatically using the reflect package.
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// automatically using the reflect package.
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potential := []interface{}{f1, f2}
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potential := []interface{}{f1, f2, f3}
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v := reflect.ValueOf(h)
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v := reflect.ValueOf(h)
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vt := v.Type()
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vt := v.Type()
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@ -38,13 +40,15 @@ func typedDecodeHook(h DecodeHookFunc) DecodeHookFunc {
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// that took reflect.Kind instead of reflect.Type.
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// that took reflect.Kind instead of reflect.Type.
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func DecodeHookExec(
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func DecodeHookExec(
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raw DecodeHookFunc,
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raw DecodeHookFunc,
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from reflect.Type, to reflect.Type,
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from reflect.Value, to reflect.Value) (interface{}, error) {
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data interface{}) (interface{}, error) {
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switch f := typedDecodeHook(raw).(type) {
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switch f := typedDecodeHook(raw).(type) {
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case DecodeHookFuncType:
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case DecodeHookFuncType:
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return f(from, to, data)
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return f(from.Type(), to.Type(), from.Interface())
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case DecodeHookFuncKind:
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case DecodeHookFuncKind:
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return f(from.Kind(), to.Kind(), data)
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return f(from.Kind(), to.Kind(), from.Interface())
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case DecodeHookFuncValue:
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return f(from, to)
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default:
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default:
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return nil, errors.New("invalid decode hook signature")
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return nil, errors.New("invalid decode hook signature")
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}
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}
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@ -56,28 +60,45 @@ func DecodeHookExec(
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// The composed funcs are called in order, with the result of the
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// The composed funcs are called in order, with the result of the
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// previous transformation.
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// previous transformation.
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func ComposeDecodeHookFunc(fs ...DecodeHookFunc) DecodeHookFunc {
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func ComposeDecodeHookFunc(fs ...DecodeHookFunc) DecodeHookFunc {
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return func(
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return func(f reflect.Value, t reflect.Value) (interface{}, error) {
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f reflect.Type,
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t reflect.Type,
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data interface{}) (interface{}, error) {
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var err error
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var err error
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|
data := f.Interface()
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|
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|
newFrom := f
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for _, f1 := range fs {
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for _, f1 := range fs {
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data, err = DecodeHookExec(f1, f, t, data)
|
data, err = DecodeHookExec(f1, newFrom, t)
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if err != nil {
|
if err != nil {
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return nil, err
|
return nil, err
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}
|
}
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|
newFrom = reflect.ValueOf(data)
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// Modify the from kind to be correct with the new data
|
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f = nil
|
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||||||
if val := reflect.ValueOf(data); val.IsValid() {
|
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f = val.Type()
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}
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}
|
}
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|
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return data, nil
|
return data, nil
|
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}
|
}
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}
|
}
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|
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|
// OrComposeDecodeHookFunc executes all input hook functions until one of them returns no error. In that case its value is returned.
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|
// If all hooks return an error, OrComposeDecodeHookFunc returns an error concatenating all error messages.
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|
func OrComposeDecodeHookFunc(ff ...DecodeHookFunc) DecodeHookFunc {
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|
return func(a, b reflect.Value) (interface{}, error) {
|
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|
var allErrs string
|
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|
var out interface{}
|
||||||
|
var err error
|
||||||
|
|
||||||
|
for _, f := range ff {
|
||||||
|
out, err = DecodeHookExec(f, a, b)
|
||||||
|
if err != nil {
|
||||||
|
allErrs += err.Error() + "\n"
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
return out, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil, errors.New(allErrs)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
// StringToSliceHookFunc returns a DecodeHookFunc that converts
|
// StringToSliceHookFunc returns a DecodeHookFunc that converts
|
||||||
// string to []string by splitting on the given sep.
|
// string to []string by splitting on the given sep.
|
||||||
func StringToSliceHookFunc(sep string) DecodeHookFunc {
|
func StringToSliceHookFunc(sep string) DecodeHookFunc {
|
||||||
|
@ -215,3 +236,44 @@ func WeaklyTypedHook(
|
||||||
|
|
||||||
return data, nil
|
return data, nil
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func RecursiveStructToMapHookFunc() DecodeHookFunc {
|
||||||
|
return func(f reflect.Value, t reflect.Value) (interface{}, error) {
|
||||||
|
if f.Kind() != reflect.Struct {
|
||||||
|
return f.Interface(), nil
|
||||||
|
}
|
||||||
|
|
||||||
|
var i interface{} = struct{}{}
|
||||||
|
if t.Type() != reflect.TypeOf(&i).Elem() {
|
||||||
|
return f.Interface(), nil
|
||||||
|
}
|
||||||
|
|
||||||
|
m := make(map[string]interface{})
|
||||||
|
t.Set(reflect.ValueOf(m))
|
||||||
|
|
||||||
|
return f.Interface(), nil
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// TextUnmarshallerHookFunc returns a DecodeHookFunc that applies
|
||||||
|
// strings to the UnmarshalText function, when the target type
|
||||||
|
// implements the encoding.TextUnmarshaler interface
|
||||||
|
func TextUnmarshallerHookFunc() DecodeHookFuncType {
|
||||||
|
return func(
|
||||||
|
f reflect.Type,
|
||||||
|
t reflect.Type,
|
||||||
|
data interface{}) (interface{}, error) {
|
||||||
|
if f.Kind() != reflect.String {
|
||||||
|
return data, nil
|
||||||
|
}
|
||||||
|
result := reflect.New(t).Interface()
|
||||||
|
unmarshaller, ok := result.(encoding.TextUnmarshaler)
|
||||||
|
if !ok {
|
||||||
|
return data, nil
|
||||||
|
}
|
||||||
|
if err := unmarshaller.UnmarshalText([]byte(data.(string))); err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
return result, nil
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
545
vendor/github.com/mitchellh/mapstructure/mapstructure.go
generated
vendored
545
vendor/github.com/mitchellh/mapstructure/mapstructure.go
generated
vendored
|
@ -1,10 +1,161 @@
|
||||||
// Package mapstructure exposes functionality to convert an arbitrary
|
// Package mapstructure exposes functionality to convert one arbitrary
|
||||||
// map[string]interface{} into a native Go structure.
|
// Go type into another, typically to convert a map[string]interface{}
|
||||||
|
// into a native Go structure.
|
||||||
//
|
//
|
||||||
// The Go structure can be arbitrarily complex, containing slices,
|
// The Go structure can be arbitrarily complex, containing slices,
|
||||||
// other structs, etc. and the decoder will properly decode nested
|
// other structs, etc. and the decoder will properly decode nested
|
||||||
// maps and so on into the proper structures in the native Go struct.
|
// maps and so on into the proper structures in the native Go struct.
|
||||||
// See the examples to see what the decoder is capable of.
|
// See the examples to see what the decoder is capable of.
|
||||||
|
//
|
||||||
|
// The simplest function to start with is Decode.
|
||||||
|
//
|
||||||
|
// Field Tags
|
||||||
|
//
|
||||||
|
// When decoding to a struct, mapstructure will use the field name by
|
||||||
|
// default to perform the mapping. For example, if a struct has a field
|
||||||
|
// "Username" then mapstructure will look for a key in the source value
|
||||||
|
// of "username" (case insensitive).
|
||||||
|
//
|
||||||
|
// type User struct {
|
||||||
|
// Username string
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// You can change the behavior of mapstructure by using struct tags.
|
||||||
|
// The default struct tag that mapstructure looks for is "mapstructure"
|
||||||
|
// but you can customize it using DecoderConfig.
|
||||||
|
//
|
||||||
|
// Renaming Fields
|
||||||
|
//
|
||||||
|
// To rename the key that mapstructure looks for, use the "mapstructure"
|
||||||
|
// tag and set a value directly. For example, to change the "username" example
|
||||||
|
// above to "user":
|
||||||
|
//
|
||||||
|
// type User struct {
|
||||||
|
// Username string `mapstructure:"user"`
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// Embedded Structs and Squashing
|
||||||
|
//
|
||||||
|
// Embedded structs are treated as if they're another field with that name.
|
||||||
|
// By default, the two structs below are equivalent when decoding with
|
||||||
|
// mapstructure:
|
||||||
|
//
|
||||||
|
// type Person struct {
|
||||||
|
// Name string
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// type Friend struct {
|
||||||
|
// Person
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// type Friend struct {
|
||||||
|
// Person Person
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// This would require an input that looks like below:
|
||||||
|
//
|
||||||
|
// map[string]interface{}{
|
||||||
|
// "person": map[string]interface{}{"name": "alice"},
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// If your "person" value is NOT nested, then you can append ",squash" to
|
||||||
|
// your tag value and mapstructure will treat it as if the embedded struct
|
||||||
|
// were part of the struct directly. Example:
|
||||||
|
//
|
||||||
|
// type Friend struct {
|
||||||
|
// Person `mapstructure:",squash"`
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// Now the following input would be accepted:
|
||||||
|
//
|
||||||
|
// map[string]interface{}{
|
||||||
|
// "name": "alice",
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// When decoding from a struct to a map, the squash tag squashes the struct
|
||||||
|
// fields into a single map. Using the example structs from above:
|
||||||
|
//
|
||||||
|
// Friend{Person: Person{Name: "alice"}}
|
||||||
|
//
|
||||||
|
// Will be decoded into a map:
|
||||||
|
//
|
||||||
|
// map[string]interface{}{
|
||||||
|
// "name": "alice",
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// DecoderConfig has a field that changes the behavior of mapstructure
|
||||||
|
// to always squash embedded structs.
|
||||||
|
//
|
||||||
|
// Remainder Values
|
||||||
|
//
|
||||||
|
// If there are any unmapped keys in the source value, mapstructure by
|
||||||
|
// default will silently ignore them. You can error by setting ErrorUnused
|
||||||
|
// in DecoderConfig. If you're using Metadata you can also maintain a slice
|
||||||
|
// of the unused keys.
|
||||||
|
//
|
||||||
|
// You can also use the ",remain" suffix on your tag to collect all unused
|
||||||
|
// values in a map. The field with this tag MUST be a map type and should
|
||||||
|
// probably be a "map[string]interface{}" or "map[interface{}]interface{}".
|
||||||
|
// See example below:
|
||||||
|
//
|
||||||
|
// type Friend struct {
|
||||||
|
// Name string
|
||||||
|
// Other map[string]interface{} `mapstructure:",remain"`
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// Given the input below, Other would be populated with the other
|
||||||
|
// values that weren't used (everything but "name"):
|
||||||
|
//
|
||||||
|
// map[string]interface{}{
|
||||||
|
// "name": "bob",
|
||||||
|
// "address": "123 Maple St.",
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// Omit Empty Values
|
||||||
|
//
|
||||||
|
// When decoding from a struct to any other value, you may use the
|
||||||
|
// ",omitempty" suffix on your tag to omit that value if it equates to
|
||||||
|
// the zero value. The zero value of all types is specified in the Go
|
||||||
|
// specification.
|
||||||
|
//
|
||||||
|
// For example, the zero type of a numeric type is zero ("0"). If the struct
|
||||||
|
// field value is zero and a numeric type, the field is empty, and it won't
|
||||||
|
// be encoded into the destination type.
|
||||||
|
//
|
||||||
|
// type Source struct {
|
||||||
|
// Age int `mapstructure:",omitempty"`
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// Unexported fields
|
||||||
|
//
|
||||||
|
// Since unexported (private) struct fields cannot be set outside the package
|
||||||
|
// where they are defined, the decoder will simply skip them.
|
||||||
|
//
|
||||||
|
// For this output type definition:
|
||||||
|
//
|
||||||
|
// type Exported struct {
|
||||||
|
// private string // this unexported field will be skipped
|
||||||
|
// Public string
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// Using this map as input:
|
||||||
|
//
|
||||||
|
// map[string]interface{}{
|
||||||
|
// "private": "I will be ignored",
|
||||||
|
// "Public": "I made it through!",
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// The following struct will be decoded:
|
||||||
|
//
|
||||||
|
// type Exported struct {
|
||||||
|
// private: "" // field is left with an empty string (zero value)
|
||||||
|
// Public: "I made it through!"
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// Other Configuration
|
||||||
|
//
|
||||||
|
// mapstructure is highly configurable. See the DecoderConfig struct
|
||||||
|
// for other features and options that are supported.
|
||||||
package mapstructure
|
package mapstructure
|
||||||
|
|
||||||
import (
|
import (
|
||||||
|
@ -21,10 +172,11 @@ import (
|
||||||
// data transformations. See "DecodeHook" in the DecoderConfig
|
// data transformations. See "DecodeHook" in the DecoderConfig
|
||||||
// struct.
|
// struct.
|
||||||
//
|
//
|
||||||
// The type should be DecodeHookFuncType or DecodeHookFuncKind.
|
// The type must be one of DecodeHookFuncType, DecodeHookFuncKind, or
|
||||||
// Either is accepted. Types are a superset of Kinds (Types can return
|
// DecodeHookFuncValue.
|
||||||
// Kinds) and are generally a richer thing to use, but Kinds are simpler
|
// Values are a superset of Types (Values can return types), and Types are a
|
||||||
// if you only need those.
|
// superset of Kinds (Types can return Kinds) and are generally a richer thing
|
||||||
|
// to use, but Kinds are simpler if you only need those.
|
||||||
//
|
//
|
||||||
// The reason DecodeHookFunc is multi-typed is for backwards compatibility:
|
// The reason DecodeHookFunc is multi-typed is for backwards compatibility:
|
||||||
// we started with Kinds and then realized Types were the better solution,
|
// we started with Kinds and then realized Types were the better solution,
|
||||||
|
@ -40,15 +192,22 @@ type DecodeHookFuncType func(reflect.Type, reflect.Type, interface{}) (interface
|
||||||
// source and target types.
|
// source and target types.
|
||||||
type DecodeHookFuncKind func(reflect.Kind, reflect.Kind, interface{}) (interface{}, error)
|
type DecodeHookFuncKind func(reflect.Kind, reflect.Kind, interface{}) (interface{}, error)
|
||||||
|
|
||||||
|
// DecodeHookFuncValue is a DecodeHookFunc which has complete access to both the source and target
|
||||||
|
// values.
|
||||||
|
type DecodeHookFuncValue func(from reflect.Value, to reflect.Value) (interface{}, error)
|
||||||
|
|
||||||
// DecoderConfig is the configuration that is used to create a new decoder
|
// DecoderConfig is the configuration that is used to create a new decoder
|
||||||
// and allows customization of various aspects of decoding.
|
// and allows customization of various aspects of decoding.
|
||||||
type DecoderConfig struct {
|
type DecoderConfig struct {
|
||||||
// DecodeHook, if set, will be called before any decoding and any
|
// DecodeHook, if set, will be called before any decoding and any
|
||||||
// type conversion (if WeaklyTypedInput is on). This lets you modify
|
// type conversion (if WeaklyTypedInput is on). This lets you modify
|
||||||
// the values before they're set down onto the resulting struct.
|
// the values before they're set down onto the resulting struct. The
|
||||||
|
// DecodeHook is called for every map and value in the input. This means
|
||||||
|
// that if a struct has embedded fields with squash tags the decode hook
|
||||||
|
// is called only once with all of the input data, not once for each
|
||||||
|
// embedded struct.
|
||||||
//
|
//
|
||||||
// If an error is returned, the entire decode will fail with that
|
// If an error is returned, the entire decode will fail with that error.
|
||||||
// error.
|
|
||||||
DecodeHook DecodeHookFunc
|
DecodeHook DecodeHookFunc
|
||||||
|
|
||||||
// If ErrorUnused is true, then it is an error for there to exist
|
// If ErrorUnused is true, then it is an error for there to exist
|
||||||
|
@ -56,6 +215,12 @@ type DecoderConfig struct {
|
||||||
// (extra keys).
|
// (extra keys).
|
||||||
ErrorUnused bool
|
ErrorUnused bool
|
||||||
|
|
||||||
|
// If ErrorUnset is true, then it is an error for there to exist
|
||||||
|
// fields in the result that were not set in the decoding process
|
||||||
|
// (extra fields). This only applies to decoding to a struct. This
|
||||||
|
// will affect all nested structs as well.
|
||||||
|
ErrorUnset bool
|
||||||
|
|
||||||
// ZeroFields, if set to true, will zero fields before writing them.
|
// ZeroFields, if set to true, will zero fields before writing them.
|
||||||
// For example, a map will be emptied before decoded values are put in
|
// For example, a map will be emptied before decoded values are put in
|
||||||
// it. If this is false, a map will be merged.
|
// it. If this is false, a map will be merged.
|
||||||
|
@ -80,6 +245,14 @@ type DecoderConfig struct {
|
||||||
//
|
//
|
||||||
WeaklyTypedInput bool
|
WeaklyTypedInput bool
|
||||||
|
|
||||||
|
// Squash will squash embedded structs. A squash tag may also be
|
||||||
|
// added to an individual struct field using a tag. For example:
|
||||||
|
//
|
||||||
|
// type Parent struct {
|
||||||
|
// Child `mapstructure:",squash"`
|
||||||
|
// }
|
||||||
|
Squash bool
|
||||||
|
|
||||||
// Metadata is the struct that will contain extra metadata about
|
// Metadata is the struct that will contain extra metadata about
|
||||||
// the decoding. If this is nil, then no metadata will be tracked.
|
// the decoding. If this is nil, then no metadata will be tracked.
|
||||||
Metadata *Metadata
|
Metadata *Metadata
|
||||||
|
@ -91,6 +264,15 @@ type DecoderConfig struct {
|
||||||
// The tag name that mapstructure reads for field names. This
|
// The tag name that mapstructure reads for field names. This
|
||||||
// defaults to "mapstructure"
|
// defaults to "mapstructure"
|
||||||
TagName string
|
TagName string
|
||||||
|
|
||||||
|
// IgnoreUntaggedFields ignores all struct fields without explicit
|
||||||
|
// TagName, comparable to `mapstructure:"-"` as default behaviour.
|
||||||
|
IgnoreUntaggedFields bool
|
||||||
|
|
||||||
|
// MatchName is the function used to match the map key to the struct
|
||||||
|
// field name or tag. Defaults to `strings.EqualFold`. This can be used
|
||||||
|
// to implement case-sensitive tag values, support snake casing, etc.
|
||||||
|
MatchName func(mapKey, fieldName string) bool
|
||||||
}
|
}
|
||||||
|
|
||||||
// A Decoder takes a raw interface value and turns it into structured
|
// A Decoder takes a raw interface value and turns it into structured
|
||||||
|
@ -112,6 +294,11 @@ type Metadata struct {
|
||||||
// Unused is a slice of keys that were found in the raw value but
|
// Unused is a slice of keys that were found in the raw value but
|
||||||
// weren't decoded since there was no matching field in the result interface
|
// weren't decoded since there was no matching field in the result interface
|
||||||
Unused []string
|
Unused []string
|
||||||
|
|
||||||
|
// Unset is a slice of field names that were found in the result interface
|
||||||
|
// but weren't set in the decoding process since there was no matching value
|
||||||
|
// in the input
|
||||||
|
Unset []string
|
||||||
}
|
}
|
||||||
|
|
||||||
// Decode takes an input structure and uses reflection to translate it to
|
// Decode takes an input structure and uses reflection to translate it to
|
||||||
|
@ -203,12 +390,20 @@ func NewDecoder(config *DecoderConfig) (*Decoder, error) {
|
||||||
if config.Metadata.Unused == nil {
|
if config.Metadata.Unused == nil {
|
||||||
config.Metadata.Unused = make([]string, 0)
|
config.Metadata.Unused = make([]string, 0)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if config.Metadata.Unset == nil {
|
||||||
|
config.Metadata.Unset = make([]string, 0)
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if config.TagName == "" {
|
if config.TagName == "" {
|
||||||
config.TagName = "mapstructure"
|
config.TagName = "mapstructure"
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if config.MatchName == nil {
|
||||||
|
config.MatchName = strings.EqualFold
|
||||||
|
}
|
||||||
|
|
||||||
result := &Decoder{
|
result := &Decoder{
|
||||||
config: config,
|
config: config,
|
||||||
}
|
}
|
||||||
|
@ -261,9 +456,7 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
|
||||||
if d.config.DecodeHook != nil {
|
if d.config.DecodeHook != nil {
|
||||||
// We have a DecodeHook, so let's pre-process the input.
|
// We have a DecodeHook, so let's pre-process the input.
|
||||||
var err error
|
var err error
|
||||||
input, err = DecodeHookExec(
|
input, err = DecodeHookExec(d.config.DecodeHook, inputVal, outVal)
|
||||||
d.config.DecodeHook,
|
|
||||||
inputVal.Type(), outVal.Type(), input)
|
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return fmt.Errorf("error decoding '%s': %s", name, err)
|
return fmt.Errorf("error decoding '%s': %s", name, err)
|
||||||
}
|
}
|
||||||
|
@ -271,6 +464,7 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
|
||||||
|
|
||||||
var err error
|
var err error
|
||||||
outputKind := getKind(outVal)
|
outputKind := getKind(outVal)
|
||||||
|
addMetaKey := true
|
||||||
switch outputKind {
|
switch outputKind {
|
||||||
case reflect.Bool:
|
case reflect.Bool:
|
||||||
err = d.decodeBool(name, input, outVal)
|
err = d.decodeBool(name, input, outVal)
|
||||||
|
@ -289,7 +483,7 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
|
||||||
case reflect.Map:
|
case reflect.Map:
|
||||||
err = d.decodeMap(name, input, outVal)
|
err = d.decodeMap(name, input, outVal)
|
||||||
case reflect.Ptr:
|
case reflect.Ptr:
|
||||||
err = d.decodePtr(name, input, outVal)
|
addMetaKey, err = d.decodePtr(name, input, outVal)
|
||||||
case reflect.Slice:
|
case reflect.Slice:
|
||||||
err = d.decodeSlice(name, input, outVal)
|
err = d.decodeSlice(name, input, outVal)
|
||||||
case reflect.Array:
|
case reflect.Array:
|
||||||
|
@ -303,7 +497,7 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
|
||||||
|
|
||||||
// If we reached here, then we successfully decoded SOMETHING, so
|
// If we reached here, then we successfully decoded SOMETHING, so
|
||||||
// mark the key as used if we're tracking metainput.
|
// mark the key as used if we're tracking metainput.
|
||||||
if d.config.Metadata != nil && name != "" {
|
if addMetaKey && d.config.Metadata != nil && name != "" {
|
||||||
d.config.Metadata.Keys = append(d.config.Metadata.Keys, name)
|
d.config.Metadata.Keys = append(d.config.Metadata.Keys, name)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -314,7 +508,34 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
|
||||||
// value to "data" of that type.
|
// value to "data" of that type.
|
||||||
func (d *Decoder) decodeBasic(name string, data interface{}, val reflect.Value) error {
|
func (d *Decoder) decodeBasic(name string, data interface{}, val reflect.Value) error {
|
||||||
if val.IsValid() && val.Elem().IsValid() {
|
if val.IsValid() && val.Elem().IsValid() {
|
||||||
return d.decode(name, data, val.Elem())
|
elem := val.Elem()
|
||||||
|
|
||||||
|
// If we can't address this element, then its not writable. Instead,
|
||||||
|
// we make a copy of the value (which is a pointer and therefore
|
||||||
|
// writable), decode into that, and replace the whole value.
|
||||||
|
copied := false
|
||||||
|
if !elem.CanAddr() {
|
||||||
|
copied = true
|
||||||
|
|
||||||
|
// Make *T
|
||||||
|
copy := reflect.New(elem.Type())
|
||||||
|
|
||||||
|
// *T = elem
|
||||||
|
copy.Elem().Set(elem)
|
||||||
|
|
||||||
|
// Set elem so we decode into it
|
||||||
|
elem = copy
|
||||||
|
}
|
||||||
|
|
||||||
|
// Decode. If we have an error then return. We also return right
|
||||||
|
// away if we're not a copy because that means we decoded directly.
|
||||||
|
if err := d.decode(name, data, elem); err != nil || !copied {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
// If we're a copy, we need to set te final result
|
||||||
|
val.Set(elem.Elem())
|
||||||
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
dataVal := reflect.ValueOf(data)
|
dataVal := reflect.ValueOf(data)
|
||||||
|
@ -386,8 +607,8 @@ func (d *Decoder) decodeString(name string, data interface{}, val reflect.Value)
|
||||||
|
|
||||||
if !converted {
|
if !converted {
|
||||||
return fmt.Errorf(
|
return fmt.Errorf(
|
||||||
"'%s' expected type '%s', got unconvertible type '%s'",
|
"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
|
||||||
name, val.Type(), dataVal.Type())
|
name, val.Type(), dataVal.Type(), data)
|
||||||
}
|
}
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
|
@ -412,7 +633,12 @@ func (d *Decoder) decodeInt(name string, data interface{}, val reflect.Value) er
|
||||||
val.SetInt(0)
|
val.SetInt(0)
|
||||||
}
|
}
|
||||||
case dataKind == reflect.String && d.config.WeaklyTypedInput:
|
case dataKind == reflect.String && d.config.WeaklyTypedInput:
|
||||||
i, err := strconv.ParseInt(dataVal.String(), 0, val.Type().Bits())
|
str := dataVal.String()
|
||||||
|
if str == "" {
|
||||||
|
str = "0"
|
||||||
|
}
|
||||||
|
|
||||||
|
i, err := strconv.ParseInt(str, 0, val.Type().Bits())
|
||||||
if err == nil {
|
if err == nil {
|
||||||
val.SetInt(i)
|
val.SetInt(i)
|
||||||
} else {
|
} else {
|
||||||
|
@ -428,8 +654,8 @@ func (d *Decoder) decodeInt(name string, data interface{}, val reflect.Value) er
|
||||||
val.SetInt(i)
|
val.SetInt(i)
|
||||||
default:
|
default:
|
||||||
return fmt.Errorf(
|
return fmt.Errorf(
|
||||||
"'%s' expected type '%s', got unconvertible type '%s'",
|
"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
|
||||||
name, val.Type(), dataVal.Type())
|
name, val.Type(), dataVal.Type(), data)
|
||||||
}
|
}
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
|
@ -438,6 +664,7 @@ func (d *Decoder) decodeInt(name string, data interface{}, val reflect.Value) er
|
||||||
func (d *Decoder) decodeUint(name string, data interface{}, val reflect.Value) error {
|
func (d *Decoder) decodeUint(name string, data interface{}, val reflect.Value) error {
|
||||||
dataVal := reflect.Indirect(reflect.ValueOf(data))
|
dataVal := reflect.Indirect(reflect.ValueOf(data))
|
||||||
dataKind := getKind(dataVal)
|
dataKind := getKind(dataVal)
|
||||||
|
dataType := dataVal.Type()
|
||||||
|
|
||||||
switch {
|
switch {
|
||||||
case dataKind == reflect.Int:
|
case dataKind == reflect.Int:
|
||||||
|
@ -463,16 +690,29 @@ func (d *Decoder) decodeUint(name string, data interface{}, val reflect.Value) e
|
||||||
val.SetUint(0)
|
val.SetUint(0)
|
||||||
}
|
}
|
||||||
case dataKind == reflect.String && d.config.WeaklyTypedInput:
|
case dataKind == reflect.String && d.config.WeaklyTypedInput:
|
||||||
i, err := strconv.ParseUint(dataVal.String(), 0, val.Type().Bits())
|
str := dataVal.String()
|
||||||
|
if str == "" {
|
||||||
|
str = "0"
|
||||||
|
}
|
||||||
|
|
||||||
|
i, err := strconv.ParseUint(str, 0, val.Type().Bits())
|
||||||
if err == nil {
|
if err == nil {
|
||||||
val.SetUint(i)
|
val.SetUint(i)
|
||||||
} else {
|
} else {
|
||||||
return fmt.Errorf("cannot parse '%s' as uint: %s", name, err)
|
return fmt.Errorf("cannot parse '%s' as uint: %s", name, err)
|
||||||
}
|
}
|
||||||
|
case dataType.PkgPath() == "encoding/json" && dataType.Name() == "Number":
|
||||||
|
jn := data.(json.Number)
|
||||||
|
i, err := strconv.ParseUint(string(jn), 0, 64)
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf(
|
||||||
|
"error decoding json.Number into %s: %s", name, err)
|
||||||
|
}
|
||||||
|
val.SetUint(i)
|
||||||
default:
|
default:
|
||||||
return fmt.Errorf(
|
return fmt.Errorf(
|
||||||
"'%s' expected type '%s', got unconvertible type '%s'",
|
"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
|
||||||
name, val.Type(), dataVal.Type())
|
name, val.Type(), dataVal.Type(), data)
|
||||||
}
|
}
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
|
@ -502,8 +742,8 @@ func (d *Decoder) decodeBool(name string, data interface{}, val reflect.Value) e
|
||||||
}
|
}
|
||||||
default:
|
default:
|
||||||
return fmt.Errorf(
|
return fmt.Errorf(
|
||||||
"'%s' expected type '%s', got unconvertible type '%s'",
|
"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
|
||||||
name, val.Type(), dataVal.Type())
|
name, val.Type(), dataVal.Type(), data)
|
||||||
}
|
}
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
|
@ -528,7 +768,12 @@ func (d *Decoder) decodeFloat(name string, data interface{}, val reflect.Value)
|
||||||
val.SetFloat(0)
|
val.SetFloat(0)
|
||||||
}
|
}
|
||||||
case dataKind == reflect.String && d.config.WeaklyTypedInput:
|
case dataKind == reflect.String && d.config.WeaklyTypedInput:
|
||||||
f, err := strconv.ParseFloat(dataVal.String(), val.Type().Bits())
|
str := dataVal.String()
|
||||||
|
if str == "" {
|
||||||
|
str = "0"
|
||||||
|
}
|
||||||
|
|
||||||
|
f, err := strconv.ParseFloat(str, val.Type().Bits())
|
||||||
if err == nil {
|
if err == nil {
|
||||||
val.SetFloat(f)
|
val.SetFloat(f)
|
||||||
} else {
|
} else {
|
||||||
|
@ -544,8 +789,8 @@ func (d *Decoder) decodeFloat(name string, data interface{}, val reflect.Value)
|
||||||
val.SetFloat(i)
|
val.SetFloat(i)
|
||||||
default:
|
default:
|
||||||
return fmt.Errorf(
|
return fmt.Errorf(
|
||||||
"'%s' expected type '%s', got unconvertible type '%s'",
|
"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
|
||||||
name, val.Type(), dataVal.Type())
|
name, val.Type(), dataVal.Type(), data)
|
||||||
}
|
}
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
|
@ -596,7 +841,7 @@ func (d *Decoder) decodeMapFromSlice(name string, dataVal reflect.Value, val ref
|
||||||
|
|
||||||
for i := 0; i < dataVal.Len(); i++ {
|
for i := 0; i < dataVal.Len(); i++ {
|
||||||
err := d.decode(
|
err := d.decode(
|
||||||
fmt.Sprintf("%s[%d]", name, i),
|
name+"["+strconv.Itoa(i)+"]",
|
||||||
dataVal.Index(i).Interface(), val)
|
dataVal.Index(i).Interface(), val)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return err
|
return err
|
||||||
|
@ -629,7 +874,7 @@ func (d *Decoder) decodeMapFromMap(name string, dataVal reflect.Value, val refle
|
||||||
}
|
}
|
||||||
|
|
||||||
for _, k := range dataVal.MapKeys() {
|
for _, k := range dataVal.MapKeys() {
|
||||||
fieldName := fmt.Sprintf("%s[%s]", name, k)
|
fieldName := name + "[" + k.String() + "]"
|
||||||
|
|
||||||
// First decode the key into the proper type
|
// First decode the key into the proper type
|
||||||
currentKey := reflect.Indirect(reflect.New(valKeyType))
|
currentKey := reflect.Indirect(reflect.New(valKeyType))
|
||||||
|
@ -678,28 +923,49 @@ func (d *Decoder) decodeMapFromStruct(name string, dataVal reflect.Value, val re
|
||||||
}
|
}
|
||||||
|
|
||||||
tagValue := f.Tag.Get(d.config.TagName)
|
tagValue := f.Tag.Get(d.config.TagName)
|
||||||
tagParts := strings.Split(tagValue, ",")
|
|
||||||
|
|
||||||
// Determine the name of the key in the map
|
|
||||||
keyName := f.Name
|
keyName := f.Name
|
||||||
if tagParts[0] != "" {
|
|
||||||
if tagParts[0] == "-" {
|
if tagValue == "" && d.config.IgnoreUntaggedFields {
|
||||||
continue
|
continue
|
||||||
}
|
}
|
||||||
keyName = tagParts[0]
|
|
||||||
|
// If Squash is set in the config, we squash the field down.
|
||||||
|
squash := d.config.Squash && v.Kind() == reflect.Struct && f.Anonymous
|
||||||
|
|
||||||
|
v = dereferencePtrToStructIfNeeded(v, d.config.TagName)
|
||||||
|
|
||||||
|
// Determine the name of the key in the map
|
||||||
|
if index := strings.Index(tagValue, ","); index != -1 {
|
||||||
|
if tagValue[:index] == "-" {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
// If "omitempty" is specified in the tag, it ignores empty values.
|
||||||
|
if strings.Index(tagValue[index+1:], "omitempty") != -1 && isEmptyValue(v) {
|
||||||
|
continue
|
||||||
}
|
}
|
||||||
|
|
||||||
// If "squash" is specified in the tag, we squash the field down.
|
// If "squash" is specified in the tag, we squash the field down.
|
||||||
squash := false
|
squash = squash || strings.Index(tagValue[index+1:], "squash") != -1
|
||||||
for _, tag := range tagParts[1:] {
|
if squash {
|
||||||
if tag == "squash" {
|
// When squashing, the embedded type can be a pointer to a struct.
|
||||||
squash = true
|
if v.Kind() == reflect.Ptr && v.Elem().Kind() == reflect.Struct {
|
||||||
break
|
v = v.Elem()
|
||||||
}
|
}
|
||||||
}
|
|
||||||
if squash && v.Kind() != reflect.Struct {
|
// The final type must be a struct
|
||||||
|
if v.Kind() != reflect.Struct {
|
||||||
return fmt.Errorf("cannot squash non-struct type '%s'", v.Type())
|
return fmt.Errorf("cannot squash non-struct type '%s'", v.Type())
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
if keyNameTagValue := tagValue[:index]; keyNameTagValue != "" {
|
||||||
|
keyName = keyNameTagValue
|
||||||
|
}
|
||||||
|
} else if len(tagValue) > 0 {
|
||||||
|
if tagValue == "-" {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
keyName = tagValue
|
||||||
|
}
|
||||||
|
|
||||||
switch v.Kind() {
|
switch v.Kind() {
|
||||||
// this is an embedded struct, so handle it differently
|
// this is an embedded struct, so handle it differently
|
||||||
|
@ -713,11 +979,22 @@ func (d *Decoder) decodeMapFromStruct(name string, dataVal reflect.Value, val re
|
||||||
mType := reflect.MapOf(vKeyType, vElemType)
|
mType := reflect.MapOf(vKeyType, vElemType)
|
||||||
vMap := reflect.MakeMap(mType)
|
vMap := reflect.MakeMap(mType)
|
||||||
|
|
||||||
err := d.decode(keyName, x.Interface(), vMap)
|
// Creating a pointer to a map so that other methods can completely
|
||||||
|
// overwrite the map if need be (looking at you decodeMapFromMap). The
|
||||||
|
// indirection allows the underlying map to be settable (CanSet() == true)
|
||||||
|
// where as reflect.MakeMap returns an unsettable map.
|
||||||
|
addrVal := reflect.New(vMap.Type())
|
||||||
|
reflect.Indirect(addrVal).Set(vMap)
|
||||||
|
|
||||||
|
err := d.decode(keyName, x.Interface(), reflect.Indirect(addrVal))
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return err
|
return err
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// the underlying map may have been completely overwritten so pull
|
||||||
|
// it indirectly out of the enclosing value.
|
||||||
|
vMap = reflect.Indirect(addrVal)
|
||||||
|
|
||||||
if squash {
|
if squash {
|
||||||
for _, k := range vMap.MapKeys() {
|
for _, k := range vMap.MapKeys() {
|
||||||
valMap.SetMapIndex(k, vMap.MapIndex(k))
|
valMap.SetMapIndex(k, vMap.MapIndex(k))
|
||||||
|
@ -738,7 +1015,7 @@ func (d *Decoder) decodeMapFromStruct(name string, dataVal reflect.Value, val re
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
func (d *Decoder) decodePtr(name string, data interface{}, val reflect.Value) error {
|
func (d *Decoder) decodePtr(name string, data interface{}, val reflect.Value) (bool, error) {
|
||||||
// If the input data is nil, then we want to just set the output
|
// If the input data is nil, then we want to just set the output
|
||||||
// pointer to be nil as well.
|
// pointer to be nil as well.
|
||||||
isNil := data == nil
|
isNil := data == nil
|
||||||
|
@ -759,7 +1036,7 @@ func (d *Decoder) decodePtr(name string, data interface{}, val reflect.Value) er
|
||||||
val.Set(nilValue)
|
val.Set(nilValue)
|
||||||
}
|
}
|
||||||
|
|
||||||
return nil
|
return true, nil
|
||||||
}
|
}
|
||||||
|
|
||||||
// Create an element of the concrete (non pointer) type and decode
|
// Create an element of the concrete (non pointer) type and decode
|
||||||
|
@ -773,16 +1050,16 @@ func (d *Decoder) decodePtr(name string, data interface{}, val reflect.Value) er
|
||||||
}
|
}
|
||||||
|
|
||||||
if err := d.decode(name, data, reflect.Indirect(realVal)); err != nil {
|
if err := d.decode(name, data, reflect.Indirect(realVal)); err != nil {
|
||||||
return err
|
return false, err
|
||||||
}
|
}
|
||||||
|
|
||||||
val.Set(realVal)
|
val.Set(realVal)
|
||||||
} else {
|
} else {
|
||||||
if err := d.decode(name, data, reflect.Indirect(val)); err != nil {
|
if err := d.decode(name, data, reflect.Indirect(val)); err != nil {
|
||||||
return err
|
return false, err
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return nil
|
return false, nil
|
||||||
}
|
}
|
||||||
|
|
||||||
func (d *Decoder) decodeFunc(name string, data interface{}, val reflect.Value) error {
|
func (d *Decoder) decodeFunc(name string, data interface{}, val reflect.Value) error {
|
||||||
|
@ -791,8 +1068,8 @@ func (d *Decoder) decodeFunc(name string, data interface{}, val reflect.Value) e
|
||||||
dataVal := reflect.Indirect(reflect.ValueOf(data))
|
dataVal := reflect.Indirect(reflect.ValueOf(data))
|
||||||
if val.Type() != dataVal.Type() {
|
if val.Type() != dataVal.Type() {
|
||||||
return fmt.Errorf(
|
return fmt.Errorf(
|
||||||
"'%s' expected type '%s', got unconvertible type '%s'",
|
"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
|
||||||
name, val.Type(), dataVal.Type())
|
name, val.Type(), dataVal.Type(), data)
|
||||||
}
|
}
|
||||||
val.Set(dataVal)
|
val.Set(dataVal)
|
||||||
return nil
|
return nil
|
||||||
|
@ -805,8 +1082,8 @@ func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value)
|
||||||
valElemType := valType.Elem()
|
valElemType := valType.Elem()
|
||||||
sliceType := reflect.SliceOf(valElemType)
|
sliceType := reflect.SliceOf(valElemType)
|
||||||
|
|
||||||
valSlice := val
|
// If we have a non array/slice type then we first attempt to convert.
|
||||||
if valSlice.IsNil() || d.config.ZeroFields {
|
if dataValKind != reflect.Array && dataValKind != reflect.Slice {
|
||||||
if d.config.WeaklyTypedInput {
|
if d.config.WeaklyTypedInput {
|
||||||
switch {
|
switch {
|
||||||
// Slice and array we use the normal logic
|
// Slice and array we use the normal logic
|
||||||
|
@ -833,18 +1110,17 @@ func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// Check input type
|
|
||||||
if dataValKind != reflect.Array && dataValKind != reflect.Slice {
|
|
||||||
return fmt.Errorf(
|
return fmt.Errorf(
|
||||||
"'%s': source data must be an array or slice, got %s", name, dataValKind)
|
"'%s': source data must be an array or slice, got %s", name, dataValKind)
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// If the input value is empty, then don't allocate since non-nil != nil
|
// If the input value is nil, then don't allocate since empty != nil
|
||||||
if dataVal.Len() == 0 {
|
if dataValKind != reflect.Array && dataVal.IsNil() {
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
|
valSlice := val
|
||||||
|
if valSlice.IsNil() || d.config.ZeroFields {
|
||||||
// Make a new slice to hold our result, same size as the original data.
|
// Make a new slice to hold our result, same size as the original data.
|
||||||
valSlice = reflect.MakeSlice(sliceType, dataVal.Len(), dataVal.Len())
|
valSlice = reflect.MakeSlice(sliceType, dataVal.Len(), dataVal.Len())
|
||||||
}
|
}
|
||||||
|
@ -859,7 +1135,7 @@ func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value)
|
||||||
}
|
}
|
||||||
currentField := valSlice.Index(i)
|
currentField := valSlice.Index(i)
|
||||||
|
|
||||||
fieldName := fmt.Sprintf("%s[%d]", name, i)
|
fieldName := name + "[" + strconv.Itoa(i) + "]"
|
||||||
if err := d.decode(fieldName, currentData, currentField); err != nil {
|
if err := d.decode(fieldName, currentData, currentField); err != nil {
|
||||||
errors = appendErrors(errors, err)
|
errors = appendErrors(errors, err)
|
||||||
}
|
}
|
||||||
|
@ -926,7 +1202,7 @@ func (d *Decoder) decodeArray(name string, data interface{}, val reflect.Value)
|
||||||
currentData := dataVal.Index(i).Interface()
|
currentData := dataVal.Index(i).Interface()
|
||||||
currentField := valArray.Index(i)
|
currentField := valArray.Index(i)
|
||||||
|
|
||||||
fieldName := fmt.Sprintf("%s[%d]", name, i)
|
fieldName := name + "[" + strconv.Itoa(i) + "]"
|
||||||
if err := d.decode(fieldName, currentData, currentField); err != nil {
|
if err := d.decode(fieldName, currentData, currentField); err != nil {
|
||||||
errors = appendErrors(errors, err)
|
errors = appendErrors(errors, err)
|
||||||
}
|
}
|
||||||
|
@ -962,13 +1238,23 @@ func (d *Decoder) decodeStruct(name string, data interface{}, val reflect.Value)
|
||||||
// Not the most efficient way to do this but we can optimize later if
|
// Not the most efficient way to do this but we can optimize later if
|
||||||
// we want to. To convert from struct to struct we go to map first
|
// we want to. To convert from struct to struct we go to map first
|
||||||
// as an intermediary.
|
// as an intermediary.
|
||||||
m := make(map[string]interface{})
|
|
||||||
mval := reflect.Indirect(reflect.ValueOf(&m))
|
// Make a new map to hold our result
|
||||||
if err := d.decodeMapFromStruct(name, dataVal, mval, mval); err != nil {
|
mapType := reflect.TypeOf((map[string]interface{})(nil))
|
||||||
|
mval := reflect.MakeMap(mapType)
|
||||||
|
|
||||||
|
// Creating a pointer to a map so that other methods can completely
|
||||||
|
// overwrite the map if need be (looking at you decodeMapFromMap). The
|
||||||
|
// indirection allows the underlying map to be settable (CanSet() == true)
|
||||||
|
// where as reflect.MakeMap returns an unsettable map.
|
||||||
|
addrVal := reflect.New(mval.Type())
|
||||||
|
|
||||||
|
reflect.Indirect(addrVal).Set(mval)
|
||||||
|
if err := d.decodeMapFromStruct(name, dataVal, reflect.Indirect(addrVal), mval); err != nil {
|
||||||
return err
|
return err
|
||||||
}
|
}
|
||||||
|
|
||||||
result := d.decodeStructFromMap(name, mval, val)
|
result := d.decodeStructFromMap(name, reflect.Indirect(addrVal), val)
|
||||||
return result
|
return result
|
||||||
|
|
||||||
default:
|
default:
|
||||||
|
@ -991,6 +1277,7 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
|
||||||
dataValKeysUnused[dataValKey.Interface()] = struct{}{}
|
dataValKeysUnused[dataValKey.Interface()] = struct{}{}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
targetValKeysUnused := make(map[interface{}]struct{})
|
||||||
errors := make([]string, 0)
|
errors := make([]string, 0)
|
||||||
|
|
||||||
// This slice will keep track of all the structs we'll be decoding.
|
// This slice will keep track of all the structs we'll be decoding.
|
||||||
|
@ -1005,6 +1292,11 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
|
||||||
field reflect.StructField
|
field reflect.StructField
|
||||||
val reflect.Value
|
val reflect.Value
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// remainField is set to a valid field set with the "remain" tag if
|
||||||
|
// we are keeping track of remaining values.
|
||||||
|
var remainField *field
|
||||||
|
|
||||||
fields := []field{}
|
fields := []field{}
|
||||||
for len(structs) > 0 {
|
for len(structs) > 0 {
|
||||||
structVal := structs[0]
|
structVal := structs[0]
|
||||||
|
@ -1014,30 +1306,47 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
|
||||||
|
|
||||||
for i := 0; i < structType.NumField(); i++ {
|
for i := 0; i < structType.NumField(); i++ {
|
||||||
fieldType := structType.Field(i)
|
fieldType := structType.Field(i)
|
||||||
fieldKind := fieldType.Type.Kind()
|
fieldVal := structVal.Field(i)
|
||||||
|
if fieldVal.Kind() == reflect.Ptr && fieldVal.Elem().Kind() == reflect.Struct {
|
||||||
|
// Handle embedded struct pointers as embedded structs.
|
||||||
|
fieldVal = fieldVal.Elem()
|
||||||
|
}
|
||||||
|
|
||||||
// If "squash" is specified in the tag, we squash the field down.
|
// If "squash" is specified in the tag, we squash the field down.
|
||||||
squash := false
|
squash := d.config.Squash && fieldVal.Kind() == reflect.Struct && fieldType.Anonymous
|
||||||
|
remain := false
|
||||||
|
|
||||||
|
// We always parse the tags cause we're looking for other tags too
|
||||||
tagParts := strings.Split(fieldType.Tag.Get(d.config.TagName), ",")
|
tagParts := strings.Split(fieldType.Tag.Get(d.config.TagName), ",")
|
||||||
for _, tag := range tagParts[1:] {
|
for _, tag := range tagParts[1:] {
|
||||||
if tag == "squash" {
|
if tag == "squash" {
|
||||||
squash = true
|
squash = true
|
||||||
break
|
break
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if tag == "remain" {
|
||||||
|
remain = true
|
||||||
|
break
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if squash {
|
if squash {
|
||||||
if fieldKind != reflect.Struct {
|
if fieldVal.Kind() != reflect.Struct {
|
||||||
errors = appendErrors(errors,
|
errors = appendErrors(errors,
|
||||||
fmt.Errorf("%s: unsupported type for squash: %s", fieldType.Name, fieldKind))
|
fmt.Errorf("%s: unsupported type for squash: %s", fieldType.Name, fieldVal.Kind()))
|
||||||
} else {
|
} else {
|
||||||
structs = append(structs, structVal.FieldByName(fieldType.Name))
|
structs = append(structs, fieldVal)
|
||||||
}
|
}
|
||||||
continue
|
continue
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Build our field
|
||||||
|
if remain {
|
||||||
|
remainField = &field{fieldType, fieldVal}
|
||||||
|
} else {
|
||||||
// Normal struct field, store it away
|
// Normal struct field, store it away
|
||||||
fields = append(fields, field{fieldType, structVal.Field(i)})
|
fields = append(fields, field{fieldType, fieldVal})
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1064,7 +1373,7 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
|
||||||
continue
|
continue
|
||||||
}
|
}
|
||||||
|
|
||||||
if strings.EqualFold(mK, fieldName) {
|
if d.config.MatchName(mK, fieldName) {
|
||||||
rawMapKey = dataValKey
|
rawMapKey = dataValKey
|
||||||
rawMapVal = dataVal.MapIndex(dataValKey)
|
rawMapVal = dataVal.MapIndex(dataValKey)
|
||||||
break
|
break
|
||||||
|
@ -1073,14 +1382,12 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
|
||||||
|
|
||||||
if !rawMapVal.IsValid() {
|
if !rawMapVal.IsValid() {
|
||||||
// There was no matching key in the map for the value in
|
// There was no matching key in the map for the value in
|
||||||
// the struct. Just ignore.
|
// the struct. Remember it for potential errors and metadata.
|
||||||
|
targetValKeysUnused[fieldName] = struct{}{}
|
||||||
continue
|
continue
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// Delete the key we're using from the unused map so we stop tracking
|
|
||||||
delete(dataValKeysUnused, rawMapKey.Interface())
|
|
||||||
|
|
||||||
if !fieldValue.IsValid() {
|
if !fieldValue.IsValid() {
|
||||||
// This should never happen
|
// This should never happen
|
||||||
panic("field is not valid")
|
panic("field is not valid")
|
||||||
|
@ -1092,10 +1399,13 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
|
||||||
continue
|
continue
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Delete the key we're using from the unused map so we stop tracking
|
||||||
|
delete(dataValKeysUnused, rawMapKey.Interface())
|
||||||
|
|
||||||
// If the name is empty string, then we're at the root, and we
|
// If the name is empty string, then we're at the root, and we
|
||||||
// don't dot-join the fields.
|
// don't dot-join the fields.
|
||||||
if name != "" {
|
if name != "" {
|
||||||
fieldName = fmt.Sprintf("%s.%s", name, fieldName)
|
fieldName = name + "." + fieldName
|
||||||
}
|
}
|
||||||
|
|
||||||
if err := d.decode(fieldName, rawMapVal.Interface(), fieldValue); err != nil {
|
if err := d.decode(fieldName, rawMapVal.Interface(), fieldValue); err != nil {
|
||||||
|
@ -1103,6 +1413,25 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// If we have a "remain"-tagged field and we have unused keys then
|
||||||
|
// we put the unused keys directly into the remain field.
|
||||||
|
if remainField != nil && len(dataValKeysUnused) > 0 {
|
||||||
|
// Build a map of only the unused values
|
||||||
|
remain := map[interface{}]interface{}{}
|
||||||
|
for key := range dataValKeysUnused {
|
||||||
|
remain[key] = dataVal.MapIndex(reflect.ValueOf(key)).Interface()
|
||||||
|
}
|
||||||
|
|
||||||
|
// Decode it as-if we were just decoding this map onto our map.
|
||||||
|
if err := d.decodeMap(name, remain, remainField.val); err != nil {
|
||||||
|
errors = appendErrors(errors, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Set the map to nil so we have none so that the next check will
|
||||||
|
// not error (ErrorUnused)
|
||||||
|
dataValKeysUnused = nil
|
||||||
|
}
|
||||||
|
|
||||||
if d.config.ErrorUnused && len(dataValKeysUnused) > 0 {
|
if d.config.ErrorUnused && len(dataValKeysUnused) > 0 {
|
||||||
keys := make([]string, 0, len(dataValKeysUnused))
|
keys := make([]string, 0, len(dataValKeysUnused))
|
||||||
for rawKey := range dataValKeysUnused {
|
for rawKey := range dataValKeysUnused {
|
||||||
|
@ -1114,6 +1443,17 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
|
||||||
errors = appendErrors(errors, err)
|
errors = appendErrors(errors, err)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if d.config.ErrorUnset && len(targetValKeysUnused) > 0 {
|
||||||
|
keys := make([]string, 0, len(targetValKeysUnused))
|
||||||
|
for rawKey := range targetValKeysUnused {
|
||||||
|
keys = append(keys, rawKey.(string))
|
||||||
|
}
|
||||||
|
sort.Strings(keys)
|
||||||
|
|
||||||
|
err := fmt.Errorf("'%s' has unset fields: %s", name, strings.Join(keys, ", "))
|
||||||
|
errors = appendErrors(errors, err)
|
||||||
|
}
|
||||||
|
|
||||||
if len(errors) > 0 {
|
if len(errors) > 0 {
|
||||||
return &Error{errors}
|
return &Error{errors}
|
||||||
}
|
}
|
||||||
|
@ -1123,16 +1463,42 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
|
||||||
for rawKey := range dataValKeysUnused {
|
for rawKey := range dataValKeysUnused {
|
||||||
key := rawKey.(string)
|
key := rawKey.(string)
|
||||||
if name != "" {
|
if name != "" {
|
||||||
key = fmt.Sprintf("%s.%s", name, key)
|
key = name + "." + key
|
||||||
}
|
}
|
||||||
|
|
||||||
d.config.Metadata.Unused = append(d.config.Metadata.Unused, key)
|
d.config.Metadata.Unused = append(d.config.Metadata.Unused, key)
|
||||||
}
|
}
|
||||||
|
for rawKey := range targetValKeysUnused {
|
||||||
|
key := rawKey.(string)
|
||||||
|
if name != "" {
|
||||||
|
key = name + "." + key
|
||||||
|
}
|
||||||
|
|
||||||
|
d.config.Metadata.Unset = append(d.config.Metadata.Unset, key)
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func isEmptyValue(v reflect.Value) bool {
|
||||||
|
switch getKind(v) {
|
||||||
|
case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
|
||||||
|
return v.Len() == 0
|
||||||
|
case reflect.Bool:
|
||||||
|
return !v.Bool()
|
||||||
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
||||||
|
return v.Int() == 0
|
||||||
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
||||||
|
return v.Uint() == 0
|
||||||
|
case reflect.Float32, reflect.Float64:
|
||||||
|
return v.Float() == 0
|
||||||
|
case reflect.Interface, reflect.Ptr:
|
||||||
|
return v.IsNil()
|
||||||
|
}
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
|
||||||
func getKind(val reflect.Value) reflect.Kind {
|
func getKind(val reflect.Value) reflect.Kind {
|
||||||
kind := val.Kind()
|
kind := val.Kind()
|
||||||
|
|
||||||
|
@ -1147,3 +1513,28 @@ func getKind(val reflect.Value) reflect.Kind {
|
||||||
return kind
|
return kind
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func isStructTypeConvertibleToMap(typ reflect.Type, checkMapstructureTags bool, tagName string) bool {
|
||||||
|
for i := 0; i < typ.NumField(); i++ {
|
||||||
|
f := typ.Field(i)
|
||||||
|
if f.PkgPath == "" && !checkMapstructureTags { // check for unexported fields
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
if checkMapstructureTags && f.Tag.Get(tagName) != "" { // check for mapstructure tags inside
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
|
||||||
|
func dereferencePtrToStructIfNeeded(v reflect.Value, tagName string) reflect.Value {
|
||||||
|
if v.Kind() != reflect.Ptr || v.Elem().Kind() != reflect.Struct {
|
||||||
|
return v
|
||||||
|
}
|
||||||
|
deref := v.Elem()
|
||||||
|
derefT := deref.Type()
|
||||||
|
if isStructTypeConvertibleToMap(derefT, true, tagName) {
|
||||||
|
return deref
|
||||||
|
}
|
||||||
|
return v
|
||||||
|
}
|
||||||
|
|
4
vendor/modules.txt
vendored
4
vendor/modules.txt
vendored
|
@ -283,8 +283,8 @@ github.com/kylelemons/godebug/pretty
|
||||||
# github.com/matttproud/golang_protobuf_extensions v1.0.4
|
# github.com/matttproud/golang_protobuf_extensions v1.0.4
|
||||||
## explicit; go 1.9
|
## explicit; go 1.9
|
||||||
github.com/matttproud/golang_protobuf_extensions/pbutil
|
github.com/matttproud/golang_protobuf_extensions/pbutil
|
||||||
# github.com/mitchellh/mapstructure v1.1.2
|
# github.com/mitchellh/mapstructure v1.5.0
|
||||||
## explicit
|
## explicit; go 1.14
|
||||||
github.com/mitchellh/mapstructure
|
github.com/mitchellh/mapstructure
|
||||||
# github.com/opencontainers/go-digest v1.0.0
|
# github.com/opencontainers/go-digest v1.0.0
|
||||||
## explicit; go 1.13
|
## explicit; go 1.13
|
||||||
|
|
Loading…
Reference in a new issue