From 7b4377ad9d8a7205416df8d6217ef2b010f89481 Mon Sep 17 00:00:00 2001 From: Taras Madan Date: Wed, 22 Jan 2025 16:07:17 +0100 Subject: vendor: delete --- vendor/github.com/spf13/cast/caste.go | 1498 --------------------------------- 1 file changed, 1498 deletions(-) delete mode 100644 vendor/github.com/spf13/cast/caste.go (limited to 'vendor/github.com/spf13/cast/caste.go') diff --git a/vendor/github.com/spf13/cast/caste.go b/vendor/github.com/spf13/cast/caste.go deleted file mode 100644 index d49bbf83e..000000000 --- a/vendor/github.com/spf13/cast/caste.go +++ /dev/null @@ -1,1498 +0,0 @@ -// Copyright © 2014 Steve Francia . -// -// Use of this source code is governed by an MIT-style -// license that can be found in the LICENSE file. - -package cast - -import ( - "encoding/json" - "errors" - "fmt" - "html/template" - "reflect" - "strconv" - "strings" - "time" -) - -var errNegativeNotAllowed = errors.New("unable to cast negative value") - -// ToTimeE casts an interface to a time.Time type. -func ToTimeE(i interface{}) (tim time.Time, err error) { - return ToTimeInDefaultLocationE(i, time.UTC) -} - -// ToTimeInDefaultLocationE casts an empty interface to time.Time, -// interpreting inputs without a timezone to be in the given location, -// or the local timezone if nil. -func ToTimeInDefaultLocationE(i interface{}, location *time.Location) (tim time.Time, err error) { - i = indirect(i) - - switch v := i.(type) { - case time.Time: - return v, nil - case string: - return StringToDateInDefaultLocation(v, location) - case json.Number: - s, err1 := ToInt64E(v) - if err1 != nil { - return time.Time{}, fmt.Errorf("unable to cast %#v of type %T to Time", i, i) - } - return time.Unix(s, 0), nil - case int: - return time.Unix(int64(v), 0), nil - case int64: - return time.Unix(v, 0), nil - case int32: - return time.Unix(int64(v), 0), nil - case uint: - return time.Unix(int64(v), 0), nil - case uint64: - return time.Unix(int64(v), 0), nil - case uint32: - return time.Unix(int64(v), 0), nil - default: - return time.Time{}, fmt.Errorf("unable to cast %#v of type %T to Time", i, i) - } -} - -// ToDurationE casts an interface to a time.Duration type. -func ToDurationE(i interface{}) (d time.Duration, err error) { - i = indirect(i) - - switch s := i.(type) { - case time.Duration: - return s, nil - case int, int64, int32, int16, int8, uint, uint64, uint32, uint16, uint8: - d = time.Duration(ToInt64(s)) - return - case float32, float64: - d = time.Duration(ToFloat64(s)) - return - case string: - if strings.ContainsAny(s, "nsuµmh") { - d, err = time.ParseDuration(s) - } else { - d, err = time.ParseDuration(s + "ns") - } - return - case json.Number: - var v float64 - v, err = s.Float64() - d = time.Duration(v) - return - default: - err = fmt.Errorf("unable to cast %#v of type %T to Duration", i, i) - return - } -} - -// ToBoolE casts an interface to a bool type. -func ToBoolE(i interface{}) (bool, error) { - i = indirect(i) - - switch b := i.(type) { - case bool: - return b, nil - case nil: - return false, nil - case int: - return b != 0, nil - case int64: - return b != 0, nil - case int32: - return b != 0, nil - case int16: - return b != 0, nil - case int8: - return b != 0, nil - case uint: - return b != 0, nil - case uint64: - return b != 0, nil - case uint32: - return b != 0, nil - case uint16: - return b != 0, nil - case uint8: - return b != 0, nil - case float64: - return b != 0, nil - case float32: - return b != 0, nil - case time.Duration: - return b != 0, nil - case string: - return strconv.ParseBool(i.(string)) - case json.Number: - v, err := ToInt64E(b) - if err == nil { - return v != 0, nil - } - return false, fmt.Errorf("unable to cast %#v of type %T to bool", i, i) - default: - return false, fmt.Errorf("unable to cast %#v of type %T to bool", i, i) - } -} - -// ToFloat64E casts an interface to a float64 type. -func ToFloat64E(i interface{}) (float64, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - return float64(intv), nil - } - - switch s := i.(type) { - case float64: - return s, nil - case float32: - return float64(s), nil - case int64: - return float64(s), nil - case int32: - return float64(s), nil - case int16: - return float64(s), nil - case int8: - return float64(s), nil - case uint: - return float64(s), nil - case uint64: - return float64(s), nil - case uint32: - return float64(s), nil - case uint16: - return float64(s), nil - case uint8: - return float64(s), nil - case string: - v, err := strconv.ParseFloat(s, 64) - if err == nil { - return v, nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to float64", i, i) - case json.Number: - v, err := s.Float64() - if err == nil { - return v, nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to float64", i, i) - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to float64", i, i) - } -} - -// ToFloat32E casts an interface to a float32 type. -func ToFloat32E(i interface{}) (float32, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - return float32(intv), nil - } - - switch s := i.(type) { - case float64: - return float32(s), nil - case float32: - return s, nil - case int64: - return float32(s), nil - case int32: - return float32(s), nil - case int16: - return float32(s), nil - case int8: - return float32(s), nil - case uint: - return float32(s), nil - case uint64: - return float32(s), nil - case uint32: - return float32(s), nil - case uint16: - return float32(s), nil - case uint8: - return float32(s), nil - case string: - v, err := strconv.ParseFloat(s, 32) - if err == nil { - return float32(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to float32", i, i) - case json.Number: - v, err := s.Float64() - if err == nil { - return float32(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to float32", i, i) - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to float32", i, i) - } -} - -// ToInt64E casts an interface to an int64 type. -func ToInt64E(i interface{}) (int64, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - return int64(intv), nil - } - - switch s := i.(type) { - case int64: - return s, nil - case int32: - return int64(s), nil - case int16: - return int64(s), nil - case int8: - return int64(s), nil - case uint: - return int64(s), nil - case uint64: - return int64(s), nil - case uint32: - return int64(s), nil - case uint16: - return int64(s), nil - case uint8: - return int64(s), nil - case float64: - return int64(s), nil - case float32: - return int64(s), nil - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - return v, nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to int64", i, i) - case json.Number: - return ToInt64E(string(s)) - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to int64", i, i) - } -} - -// ToInt32E casts an interface to an int32 type. -func ToInt32E(i interface{}) (int32, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - return int32(intv), nil - } - - switch s := i.(type) { - case int64: - return int32(s), nil - case int32: - return s, nil - case int16: - return int32(s), nil - case int8: - return int32(s), nil - case uint: - return int32(s), nil - case uint64: - return int32(s), nil - case uint32: - return int32(s), nil - case uint16: - return int32(s), nil - case uint8: - return int32(s), nil - case float64: - return int32(s), nil - case float32: - return int32(s), nil - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - return int32(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to int32", i, i) - case json.Number: - return ToInt32E(string(s)) - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to int32", i, i) - } -} - -// ToInt16E casts an interface to an int16 type. -func ToInt16E(i interface{}) (int16, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - return int16(intv), nil - } - - switch s := i.(type) { - case int64: - return int16(s), nil - case int32: - return int16(s), nil - case int16: - return s, nil - case int8: - return int16(s), nil - case uint: - return int16(s), nil - case uint64: - return int16(s), nil - case uint32: - return int16(s), nil - case uint16: - return int16(s), nil - case uint8: - return int16(s), nil - case float64: - return int16(s), nil - case float32: - return int16(s), nil - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - return int16(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to int16", i, i) - case json.Number: - return ToInt16E(string(s)) - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to int16", i, i) - } -} - -// ToInt8E casts an interface to an int8 type. -func ToInt8E(i interface{}) (int8, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - return int8(intv), nil - } - - switch s := i.(type) { - case int64: - return int8(s), nil - case int32: - return int8(s), nil - case int16: - return int8(s), nil - case int8: - return s, nil - case uint: - return int8(s), nil - case uint64: - return int8(s), nil - case uint32: - return int8(s), nil - case uint16: - return int8(s), nil - case uint8: - return int8(s), nil - case float64: - return int8(s), nil - case float32: - return int8(s), nil - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - return int8(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to int8", i, i) - case json.Number: - return ToInt8E(string(s)) - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to int8", i, i) - } -} - -// ToIntE casts an interface to an int type. -func ToIntE(i interface{}) (int, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - return intv, nil - } - - switch s := i.(type) { - case int64: - return int(s), nil - case int32: - return int(s), nil - case int16: - return int(s), nil - case int8: - return int(s), nil - case uint: - return int(s), nil - case uint64: - return int(s), nil - case uint32: - return int(s), nil - case uint16: - return int(s), nil - case uint8: - return int(s), nil - case float64: - return int(s), nil - case float32: - return int(s), nil - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - return int(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to int64", i, i) - case json.Number: - return ToIntE(string(s)) - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to int", i, i) - } -} - -// ToUintE casts an interface to a uint type. -func ToUintE(i interface{}) (uint, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - if intv < 0 { - return 0, errNegativeNotAllowed - } - return uint(intv), nil - } - - switch s := i.(type) { - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - if v < 0 { - return 0, errNegativeNotAllowed - } - return uint(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to uint", i, i) - case json.Number: - return ToUintE(string(s)) - case int64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint(s), nil - case int32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint(s), nil - case int16: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint(s), nil - case int8: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint(s), nil - case uint: - return s, nil - case uint64: - return uint(s), nil - case uint32: - return uint(s), nil - case uint16: - return uint(s), nil - case uint8: - return uint(s), nil - case float64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint(s), nil - case float32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint(s), nil - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to uint", i, i) - } -} - -// ToUint64E casts an interface to a uint64 type. -func ToUint64E(i interface{}) (uint64, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - if intv < 0 { - return 0, errNegativeNotAllowed - } - return uint64(intv), nil - } - - switch s := i.(type) { - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - if v < 0 { - return 0, errNegativeNotAllowed - } - return uint64(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to uint64", i, i) - case json.Number: - return ToUint64E(string(s)) - case int64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint64(s), nil - case int32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint64(s), nil - case int16: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint64(s), nil - case int8: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint64(s), nil - case uint: - return uint64(s), nil - case uint64: - return s, nil - case uint32: - return uint64(s), nil - case uint16: - return uint64(s), nil - case uint8: - return uint64(s), nil - case float32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint64(s), nil - case float64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint64(s), nil - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to uint64", i, i) - } -} - -// ToUint32E casts an interface to a uint32 type. -func ToUint32E(i interface{}) (uint32, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - if intv < 0 { - return 0, errNegativeNotAllowed - } - return uint32(intv), nil - } - - switch s := i.(type) { - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - if v < 0 { - return 0, errNegativeNotAllowed - } - return uint32(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to uint32", i, i) - case json.Number: - return ToUint32E(string(s)) - case int64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint32(s), nil - case int32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint32(s), nil - case int16: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint32(s), nil - case int8: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint32(s), nil - case uint: - return uint32(s), nil - case uint64: - return uint32(s), nil - case uint32: - return s, nil - case uint16: - return uint32(s), nil - case uint8: - return uint32(s), nil - case float64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint32(s), nil - case float32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint32(s), nil - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to uint32", i, i) - } -} - -// ToUint16E casts an interface to a uint16 type. -func ToUint16E(i interface{}) (uint16, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - if intv < 0 { - return 0, errNegativeNotAllowed - } - return uint16(intv), nil - } - - switch s := i.(type) { - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - if v < 0 { - return 0, errNegativeNotAllowed - } - return uint16(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to uint16", i, i) - case json.Number: - return ToUint16E(string(s)) - case int64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint16(s), nil - case int32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint16(s), nil - case int16: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint16(s), nil - case int8: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint16(s), nil - case uint: - return uint16(s), nil - case uint64: - return uint16(s), nil - case uint32: - return uint16(s), nil - case uint16: - return s, nil - case uint8: - return uint16(s), nil - case float64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint16(s), nil - case float32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint16(s), nil - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to uint16", i, i) - } -} - -// ToUint8E casts an interface to a uint type. -func ToUint8E(i interface{}) (uint8, error) { - i = indirect(i) - - intv, ok := toInt(i) - if ok { - if intv < 0 { - return 0, errNegativeNotAllowed - } - return uint8(intv), nil - } - - switch s := i.(type) { - case string: - v, err := strconv.ParseInt(trimZeroDecimal(s), 0, 0) - if err == nil { - if v < 0 { - return 0, errNegativeNotAllowed - } - return uint8(v), nil - } - return 0, fmt.Errorf("unable to cast %#v of type %T to uint8", i, i) - case json.Number: - return ToUint8E(string(s)) - case int64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint8(s), nil - case int32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint8(s), nil - case int16: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint8(s), nil - case int8: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint8(s), nil - case uint: - return uint8(s), nil - case uint64: - return uint8(s), nil - case uint32: - return uint8(s), nil - case uint16: - return uint8(s), nil - case uint8: - return s, nil - case float64: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint8(s), nil - case float32: - if s < 0 { - return 0, errNegativeNotAllowed - } - return uint8(s), nil - case bool: - if s { - return 1, nil - } - return 0, nil - case nil: - return 0, nil - default: - return 0, fmt.Errorf("unable to cast %#v of type %T to uint8", i, i) - } -} - -// From html/template/content.go -// Copyright 2011 The Go Authors. All rights reserved. -// indirect returns the value, after dereferencing as many times -// as necessary to reach the base type (or nil). -func indirect(a interface{}) interface{} { - if a == nil { - return nil - } - if t := reflect.TypeOf(a); t.Kind() != reflect.Ptr { - // Avoid creating a reflect.Value if it's not a pointer. - return a - } - v := reflect.ValueOf(a) - for v.Kind() == reflect.Ptr && !v.IsNil() { - v = v.Elem() - } - return v.Interface() -} - -// From html/template/content.go -// Copyright 2011 The Go Authors. All rights reserved. -// indirectToStringerOrError returns the value, after dereferencing as many times -// as necessary to reach the base type (or nil) or an implementation of fmt.Stringer -// or error, -func indirectToStringerOrError(a interface{}) interface{} { - if a == nil { - return nil - } - - var errorType = reflect.TypeOf((*error)(nil)).Elem() - var fmtStringerType = reflect.TypeOf((*fmt.Stringer)(nil)).Elem() - - v := reflect.ValueOf(a) - for !v.Type().Implements(fmtStringerType) && !v.Type().Implements(errorType) && v.Kind() == reflect.Ptr && !v.IsNil() { - v = v.Elem() - } - return v.Interface() -} - -// ToStringE casts an interface to a string type. -func ToStringE(i interface{}) (string, error) { - i = indirectToStringerOrError(i) - - switch s := i.(type) { - case string: - return s, nil - case bool: - return strconv.FormatBool(s), nil - case float64: - return strconv.FormatFloat(s, 'f', -1, 64), nil - case float32: - return strconv.FormatFloat(float64(s), 'f', -1, 32), nil - case int: - return strconv.Itoa(s), nil - case int64: - return strconv.FormatInt(s, 10), nil - case int32: - return strconv.Itoa(int(s)), nil - case int16: - return strconv.FormatInt(int64(s), 10), nil - case int8: - return strconv.FormatInt(int64(s), 10), nil - case uint: - return strconv.FormatUint(uint64(s), 10), nil - case uint64: - return strconv.FormatUint(uint64(s), 10), nil - case uint32: - return strconv.FormatUint(uint64(s), 10), nil - case uint16: - return strconv.FormatUint(uint64(s), 10), nil - case uint8: - return strconv.FormatUint(uint64(s), 10), nil - case json.Number: - return s.String(), nil - case []byte: - return string(s), nil - case template.HTML: - return string(s), nil - case template.URL: - return string(s), nil - case template.JS: - return string(s), nil - case template.CSS: - return string(s), nil - case template.HTMLAttr: - return string(s), nil - case nil: - return "", nil - case fmt.Stringer: - return s.String(), nil - case error: - return s.Error(), nil - default: - return "", fmt.Errorf("unable to cast %#v of type %T to string", i, i) - } -} - -// ToStringMapStringE casts an interface to a map[string]string type. -func ToStringMapStringE(i interface{}) (map[string]string, error) { - var m = map[string]string{} - - switch v := i.(type) { - case map[string]string: - return v, nil - case map[string]interface{}: - for k, val := range v { - m[ToString(k)] = ToString(val) - } - return m, nil - case map[interface{}]string: - for k, val := range v { - m[ToString(k)] = ToString(val) - } - return m, nil - case map[interface{}]interface{}: - for k, val := range v { - m[ToString(k)] = ToString(val) - } - return m, nil - case string: - err := jsonStringToObject(v, &m) - return m, err - default: - return m, fmt.Errorf("unable to cast %#v of type %T to map[string]string", i, i) - } -} - -// ToStringMapStringSliceE casts an interface to a map[string][]string type. -func ToStringMapStringSliceE(i interface{}) (map[string][]string, error) { - var m = map[string][]string{} - - switch v := i.(type) { - case map[string][]string: - return v, nil - case map[string][]interface{}: - for k, val := range v { - m[ToString(k)] = ToStringSlice(val) - } - return m, nil - case map[string]string: - for k, val := range v { - m[ToString(k)] = []string{val} - } - case map[string]interface{}: - for k, val := range v { - switch vt := val.(type) { - case []interface{}: - m[ToString(k)] = ToStringSlice(vt) - case []string: - m[ToString(k)] = vt - default: - m[ToString(k)] = []string{ToString(val)} - } - } - return m, nil - case map[interface{}][]string: - for k, val := range v { - m[ToString(k)] = ToStringSlice(val) - } - return m, nil - case map[interface{}]string: - for k, val := range v { - m[ToString(k)] = ToStringSlice(val) - } - return m, nil - case map[interface{}][]interface{}: - for k, val := range v { - m[ToString(k)] = ToStringSlice(val) - } - return m, nil - case map[interface{}]interface{}: - for k, val := range v { - key, err := ToStringE(k) - if err != nil { - return m, fmt.Errorf("unable to cast %#v of type %T to map[string][]string", i, i) - } - value, err := ToStringSliceE(val) - if err != nil { - return m, fmt.Errorf("unable to cast %#v of type %T to map[string][]string", i, i) - } - m[key] = value - } - case string: - err := jsonStringToObject(v, &m) - return m, err - default: - return m, fmt.Errorf("unable to cast %#v of type %T to map[string][]string", i, i) - } - return m, nil -} - -// ToStringMapBoolE casts an interface to a map[string]bool type. -func ToStringMapBoolE(i interface{}) (map[string]bool, error) { - var m = map[string]bool{} - - switch v := i.(type) { - case map[interface{}]interface{}: - for k, val := range v { - m[ToString(k)] = ToBool(val) - } - return m, nil - case map[string]interface{}: - for k, val := range v { - m[ToString(k)] = ToBool(val) - } - return m, nil - case map[string]bool: - return v, nil - case string: - err := jsonStringToObject(v, &m) - return m, err - default: - return m, fmt.Errorf("unable to cast %#v of type %T to map[string]bool", i, i) - } -} - -// ToStringMapE casts an interface to a map[string]interface{} type. -func ToStringMapE(i interface{}) (map[string]interface{}, error) { - var m = map[string]interface{}{} - - switch v := i.(type) { - case map[interface{}]interface{}: - for k, val := range v { - m[ToString(k)] = val - } - return m, nil - case map[string]interface{}: - return v, nil - case string: - err := jsonStringToObject(v, &m) - return m, err - default: - return m, fmt.Errorf("unable to cast %#v of type %T to map[string]interface{}", i, i) - } -} - -// ToStringMapIntE casts an interface to a map[string]int{} type. -func ToStringMapIntE(i interface{}) (map[string]int, error) { - var m = map[string]int{} - if i == nil { - return m, fmt.Errorf("unable to cast %#v of type %T to map[string]int", i, i) - } - - switch v := i.(type) { - case map[interface{}]interface{}: - for k, val := range v { - m[ToString(k)] = ToInt(val) - } - return m, nil - case map[string]interface{}: - for k, val := range v { - m[k] = ToInt(val) - } - return m, nil - case map[string]int: - return v, nil - case string: - err := jsonStringToObject(v, &m) - return m, err - } - - if reflect.TypeOf(i).Kind() != reflect.Map { - return m, fmt.Errorf("unable to cast %#v of type %T to map[string]int", i, i) - } - - mVal := reflect.ValueOf(m) - v := reflect.ValueOf(i) - for _, keyVal := range v.MapKeys() { - val, err := ToIntE(v.MapIndex(keyVal).Interface()) - if err != nil { - return m, fmt.Errorf("unable to cast %#v of type %T to map[string]int", i, i) - } - mVal.SetMapIndex(keyVal, reflect.ValueOf(val)) - } - return m, nil -} - -// ToStringMapInt64E casts an interface to a map[string]int64{} type. -func ToStringMapInt64E(i interface{}) (map[string]int64, error) { - var m = map[string]int64{} - if i == nil { - return m, fmt.Errorf("unable to cast %#v of type %T to map[string]int64", i, i) - } - - switch v := i.(type) { - case map[interface{}]interface{}: - for k, val := range v { - m[ToString(k)] = ToInt64(val) - } - return m, nil - case map[string]interface{}: - for k, val := range v { - m[k] = ToInt64(val) - } - return m, nil - case map[string]int64: - return v, nil - case string: - err := jsonStringToObject(v, &m) - return m, err - } - - if reflect.TypeOf(i).Kind() != reflect.Map { - return m, fmt.Errorf("unable to cast %#v of type %T to map[string]int64", i, i) - } - mVal := reflect.ValueOf(m) - v := reflect.ValueOf(i) - for _, keyVal := range v.MapKeys() { - val, err := ToInt64E(v.MapIndex(keyVal).Interface()) - if err != nil { - return m, fmt.Errorf("unable to cast %#v of type %T to map[string]int64", i, i) - } - mVal.SetMapIndex(keyVal, reflect.ValueOf(val)) - } - return m, nil -} - -// ToSliceE casts an interface to a []interface{} type. -func ToSliceE(i interface{}) ([]interface{}, error) { - var s []interface{} - - switch v := i.(type) { - case []interface{}: - return append(s, v...), nil - case []map[string]interface{}: - for _, u := range v { - s = append(s, u) - } - return s, nil - default: - return s, fmt.Errorf("unable to cast %#v of type %T to []interface{}", i, i) - } -} - -// ToBoolSliceE casts an interface to a []bool type. -func ToBoolSliceE(i interface{}) ([]bool, error) { - if i == nil { - return []bool{}, fmt.Errorf("unable to cast %#v of type %T to []bool", i, i) - } - - switch v := i.(type) { - case []bool: - return v, nil - } - - kind := reflect.TypeOf(i).Kind() - switch kind { - case reflect.Slice, reflect.Array: - s := reflect.ValueOf(i) - a := make([]bool, s.Len()) - for j := 0; j < s.Len(); j++ { - val, err := ToBoolE(s.Index(j).Interface()) - if err != nil { - return []bool{}, fmt.Errorf("unable to cast %#v of type %T to []bool", i, i) - } - a[j] = val - } - return a, nil - default: - return []bool{}, fmt.Errorf("unable to cast %#v of type %T to []bool", i, i) - } -} - -// ToStringSliceE casts an interface to a []string type. -func ToStringSliceE(i interface{}) ([]string, error) { - var a []string - - switch v := i.(type) { - case []interface{}: - for _, u := range v { - a = append(a, ToString(u)) - } - return a, nil - case []string: - return v, nil - case []int8: - for _, u := range v { - a = append(a, ToString(u)) - } - return a, nil - case []int: - for _, u := range v { - a = append(a, ToString(u)) - } - return a, nil - case []int32: - for _, u := range v { - a = append(a, ToString(u)) - } - return a, nil - case []int64: - for _, u := range v { - a = append(a, ToString(u)) - } - return a, nil - case []float32: - for _, u := range v { - a = append(a, ToString(u)) - } - return a, nil - case []float64: - for _, u := range v { - a = append(a, ToString(u)) - } - return a, nil - case string: - return strings.Fields(v), nil - case []error: - for _, err := range i.([]error) { - a = append(a, err.Error()) - } - return a, nil - case interface{}: - str, err := ToStringE(v) - if err != nil { - return a, fmt.Errorf("unable to cast %#v of type %T to []string", i, i) - } - return []string{str}, nil - default: - return a, fmt.Errorf("unable to cast %#v of type %T to []string", i, i) - } -} - -// ToIntSliceE casts an interface to a []int type. -func ToIntSliceE(i interface{}) ([]int, error) { - if i == nil { - return []int{}, fmt.Errorf("unable to cast %#v of type %T to []int", i, i) - } - - switch v := i.(type) { - case []int: - return v, nil - } - - kind := reflect.TypeOf(i).Kind() - switch kind { - case reflect.Slice, reflect.Array: - s := reflect.ValueOf(i) - a := make([]int, s.Len()) - for j := 0; j < s.Len(); j++ { - val, err := ToIntE(s.Index(j).Interface()) - if err != nil { - return []int{}, fmt.Errorf("unable to cast %#v of type %T to []int", i, i) - } - a[j] = val - } - return a, nil - default: - return []int{}, fmt.Errorf("unable to cast %#v of type %T to []int", i, i) - } -} - -// ToDurationSliceE casts an interface to a []time.Duration type. -func ToDurationSliceE(i interface{}) ([]time.Duration, error) { - if i == nil { - return []time.Duration{}, fmt.Errorf("unable to cast %#v of type %T to []time.Duration", i, i) - } - - switch v := i.(type) { - case []time.Duration: - return v, nil - } - - kind := reflect.TypeOf(i).Kind() - switch kind { - case reflect.Slice, reflect.Array: - s := reflect.ValueOf(i) - a := make([]time.Duration, s.Len()) - for j := 0; j < s.Len(); j++ { - val, err := ToDurationE(s.Index(j).Interface()) - if err != nil { - return []time.Duration{}, fmt.Errorf("unable to cast %#v of type %T to []time.Duration", i, i) - } - a[j] = val - } - return a, nil - default: - return []time.Duration{}, fmt.Errorf("unable to cast %#v of type %T to []time.Duration", i, i) - } -} - -// StringToDate attempts to parse a string into a time.Time type using a -// predefined list of formats. If no suitable format is found, an error is -// returned. -func StringToDate(s string) (time.Time, error) { - return parseDateWith(s, time.UTC, timeFormats) -} - -// StringToDateInDefaultLocation casts an empty interface to a time.Time, -// interpreting inputs without a timezone to be in the given location, -// or the local timezone if nil. -func StringToDateInDefaultLocation(s string, location *time.Location) (time.Time, error) { - return parseDateWith(s, location, timeFormats) -} - -type timeFormatType int - -const ( - timeFormatNoTimezone timeFormatType = iota - timeFormatNamedTimezone - timeFormatNumericTimezone - timeFormatNumericAndNamedTimezone - timeFormatTimeOnly -) - -type timeFormat struct { - format string - typ timeFormatType -} - -func (f timeFormat) hasTimezone() bool { - // We don't include the formats with only named timezones, see - // https://github.com/golang/go/issues/19694#issuecomment-289103522 - return f.typ >= timeFormatNumericTimezone && f.typ <= timeFormatNumericAndNamedTimezone -} - -var ( - timeFormats = []timeFormat{ - // Keep common formats at the top. - {"2006-01-02", timeFormatNoTimezone}, - {time.RFC3339, timeFormatNumericTimezone}, - {"2006-01-02T15:04:05", timeFormatNoTimezone}, // iso8601 without timezone - {time.RFC1123Z, timeFormatNumericTimezone}, - {time.RFC1123, timeFormatNamedTimezone}, - {time.RFC822Z, timeFormatNumericTimezone}, - {time.RFC822, timeFormatNamedTimezone}, - {time.RFC850, timeFormatNamedTimezone}, - {"2006-01-02 15:04:05.999999999 -0700 MST", timeFormatNumericAndNamedTimezone}, // Time.String() - {"2006-01-02T15:04:05-0700", timeFormatNumericTimezone}, // RFC3339 without timezone hh:mm colon - {"2006-01-02 15:04:05Z0700", timeFormatNumericTimezone}, // RFC3339 without T or timezone hh:mm colon - {"2006-01-02 15:04:05", timeFormatNoTimezone}, - {time.ANSIC, timeFormatNoTimezone}, - {time.UnixDate, timeFormatNamedTimezone}, - {time.RubyDate, timeFormatNumericTimezone}, - {"2006-01-02 15:04:05Z07:00", timeFormatNumericTimezone}, - {"02 Jan 2006", timeFormatNoTimezone}, - {"2006-01-02 15:04:05 -07:00", timeFormatNumericTimezone}, - {"2006-01-02 15:04:05 -0700", timeFormatNumericTimezone}, - {time.Kitchen, timeFormatTimeOnly}, - {time.Stamp, timeFormatTimeOnly}, - {time.StampMilli, timeFormatTimeOnly}, - {time.StampMicro, timeFormatTimeOnly}, - {time.StampNano, timeFormatTimeOnly}, - } -) - -func parseDateWith(s string, location *time.Location, formats []timeFormat) (d time.Time, e error) { - - for _, format := range formats { - if d, e = time.Parse(format.format, s); e == nil { - - // Some time formats have a zone name, but no offset, so it gets - // put in that zone name (not the default one passed in to us), but - // without that zone's offset. So set the location manually. - if format.typ <= timeFormatNamedTimezone { - if location == nil { - location = time.Local - } - year, month, day := d.Date() - hour, min, sec := d.Clock() - d = time.Date(year, month, day, hour, min, sec, d.Nanosecond(), location) - } - - return - } - } - return d, fmt.Errorf("unable to parse date: %s", s) -} - -// jsonStringToObject attempts to unmarshall a string as JSON into -// the object passed as pointer. -func jsonStringToObject(s string, v interface{}) error { - data := []byte(s) - return json.Unmarshal(data, v) -} - -// toInt returns the int value of v if v or v's underlying type -// is an int. -// Note that this will return false for int64 etc. types. -func toInt(v interface{}) (int, bool) { - switch v := v.(type) { - case int: - return v, true - case time.Weekday: - return int(v), true - case time.Month: - return int(v), true - default: - return 0, false - } -} - -func trimZeroDecimal(s string) string { - var foundZero bool - for i := len(s); i > 0; i-- { - switch s[i-1] { - case '.': - if foundZero { - return s[:i-1] - } - case '0': - foundZero = true - default: - return s - } - } - return s -} -- cgit mrf-deployment