mirror of
https://github.com/cwinfo/matterbridge.git
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137 lines
3.2 KiB
Go
137 lines
3.2 KiB
Go
package tengo
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import (
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"errors"
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)
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// Variable is a user-defined variable for the script.
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type Variable struct {
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name string
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value Object
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}
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// NewVariable creates a Variable.
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func NewVariable(name string, value interface{}) (*Variable, error) {
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obj, err := FromInterface(value)
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if err != nil {
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return nil, err
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}
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return &Variable{
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name: name,
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value: obj,
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}, nil
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}
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// Name returns the name of the variable.
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func (v *Variable) Name() string {
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return v.name
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}
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// Value returns an empty interface of the variable value.
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func (v *Variable) Value() interface{} {
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return ToInterface(v.value)
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}
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// ValueType returns the name of the value type.
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func (v *Variable) ValueType() string {
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return v.value.TypeName()
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}
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// Int returns int value of the variable value.
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// It returns 0 if the value is not convertible to int.
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func (v *Variable) Int() int {
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c, _ := ToInt(v.value)
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return c
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}
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// Int64 returns int64 value of the variable value. It returns 0 if the value
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// is not convertible to int64.
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func (v *Variable) Int64() int64 {
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c, _ := ToInt64(v.value)
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return c
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}
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// Float returns float64 value of the variable value. It returns 0.0 if the
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// value is not convertible to float64.
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func (v *Variable) Float() float64 {
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c, _ := ToFloat64(v.value)
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return c
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}
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// Char returns rune value of the variable value. It returns 0 if the value is
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// not convertible to rune.
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func (v *Variable) Char() rune {
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c, _ := ToRune(v.value)
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return c
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}
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// Bool returns bool value of the variable value. It returns 0 if the value is
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// not convertible to bool.
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func (v *Variable) Bool() bool {
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c, _ := ToBool(v.value)
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return c
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}
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// Array returns []interface value of the variable value. It returns 0 if the
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// value is not convertible to []interface.
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func (v *Variable) Array() []interface{} {
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switch val := v.value.(type) {
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case *Array:
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var arr []interface{}
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for _, e := range val.Value {
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arr = append(arr, ToInterface(e))
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}
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return arr
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}
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return nil
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}
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// Map returns map[string]interface{} value of the variable value. It returns
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// 0 if the value is not convertible to map[string]interface{}.
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func (v *Variable) Map() map[string]interface{} {
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switch val := v.value.(type) {
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case *Map:
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kv := make(map[string]interface{})
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for mk, mv := range val.Value {
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kv[mk] = ToInterface(mv)
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}
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return kv
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}
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return nil
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}
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// String returns string value of the variable value. It returns 0 if the value
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// is not convertible to string.
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func (v *Variable) String() string {
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c, _ := ToString(v.value)
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return c
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}
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// Bytes returns a byte slice of the variable value. It returns nil if the
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// value is not convertible to byte slice.
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func (v *Variable) Bytes() []byte {
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c, _ := ToByteSlice(v.value)
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return c
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}
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// Error returns an error if the underlying value is error object. If not,
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// this returns nil.
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func (v *Variable) Error() error {
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err, ok := v.value.(*Error)
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if ok {
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return errors.New(err.String())
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}
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return nil
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}
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// Object returns an underlying Object of the variable value. Note that
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// returned Object is a copy of an actual Object used in the script.
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func (v *Variable) Object() Object {
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return v.value
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}
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// IsUndefined returns true if the underlying value is undefined.
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func (v *Variable) IsUndefined() bool {
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return v.value == UndefinedValue
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}
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