diff options
Diffstat (limited to 'vendor/github.com/containernetworking/cni/pkg/types/args.go')
-rw-r--r-- | vendor/github.com/containernetworking/cni/pkg/types/args.go | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/vendor/github.com/containernetworking/cni/pkg/types/args.go b/vendor/github.com/containernetworking/cni/pkg/types/args.go deleted file mode 100644 index bd8640f..0000000 --- a/vendor/github.com/containernetworking/cni/pkg/types/args.go +++ /dev/null @@ -1,112 +0,0 @@ -// Copyright 2015 CNI authors -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package types - -import ( - "encoding" - "fmt" - "reflect" - "strings" -) - -// UnmarshallableBool typedef for builtin bool -// because builtin type's methods can't be declared -type UnmarshallableBool bool - -// UnmarshalText implements the encoding.TextUnmarshaler interface. -// Returns boolean true if the string is "1" or "[Tt]rue" -// Returns boolean false if the string is "0" or "[Ff]alse" -func (b *UnmarshallableBool) UnmarshalText(data []byte) error { - s := strings.ToLower(string(data)) - switch s { - case "1", "true": - *b = true - case "0", "false": - *b = false - default: - return fmt.Errorf("Boolean unmarshal error: invalid input %s", s) - } - return nil -} - -// UnmarshallableString typedef for builtin string -type UnmarshallableString string - -// UnmarshalText implements the encoding.TextUnmarshaler interface. -// Returns the string -func (s *UnmarshallableString) UnmarshalText(data []byte) error { - *s = UnmarshallableString(data) - return nil -} - -// CommonArgs contains the IgnoreUnknown argument -// and must be embedded by all Arg structs -type CommonArgs struct { - IgnoreUnknown UnmarshallableBool `json:"ignoreunknown,omitempty"` -} - -// GetKeyField is a helper function to receive Values -// Values that represent a pointer to a struct -func GetKeyField(keyString string, v reflect.Value) reflect.Value { - return v.Elem().FieldByName(keyString) -} - -// UnmarshalableArgsError is used to indicate error unmarshalling args -// from the args-string in the form "K=V;K2=V2;..." -type UnmarshalableArgsError struct { - error -} - -// LoadArgs parses args from a string in the form "K=V;K2=V2;..." -func LoadArgs(args string, container interface{}) error { - if args == "" { - return nil - } - - containerValue := reflect.ValueOf(container) - - pairs := strings.Split(args, ";") - unknownArgs := []string{} - for _, pair := range pairs { - kv := strings.Split(pair, "=") - if len(kv) != 2 { - return fmt.Errorf("ARGS: invalid pair %q", pair) - } - keyString := kv[0] - valueString := kv[1] - keyField := GetKeyField(keyString, containerValue) - if !keyField.IsValid() { - unknownArgs = append(unknownArgs, pair) - continue - } - keyFieldIface := keyField.Addr().Interface() - u, ok := keyFieldIface.(encoding.TextUnmarshaler) - if !ok { - return UnmarshalableArgsError{fmt.Errorf( - "ARGS: cannot unmarshal into field '%s' - type '%s' does not implement encoding.TextUnmarshaler", - keyString, reflect.TypeOf(keyFieldIface))} - } - err := u.UnmarshalText([]byte(valueString)) - if err != nil { - return fmt.Errorf("ARGS: error parsing value of pair %q: %v)", pair, err) - } - } - - isIgnoreUnknown := GetKeyField("IgnoreUnknown", containerValue).Bool() - if len(unknownArgs) > 0 && !isIgnoreUnknown { - return fmt.Errorf("ARGS: unknown args %q", unknownArgs) - } - return nil -} |