54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package config
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import (
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"reflect"
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"git.xdrm.io/go/aicra/datatype"
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)
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// Parameter represents a parameter definition (from api.json)
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type Parameter struct {
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Description string `json:"info"`
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Type string `json:"type"`
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Rename string `json:"name,omitempty"`
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// ExtractType is the type of data the datatype returns
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ExtractType reflect.Type
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// Optional is set to true when the type is prefixed with '?'
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Optional bool
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// Validator is inferred from @Type
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Validator datatype.Validator
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}
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func (param *Parameter) validate(datatypes ...datatype.T) error {
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// missing description
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if len(param.Description) < 1 {
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return ErrMissingParamDesc
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}
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// invalid type
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if len(param.Type) < 1 || param.Type == "?" {
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return ErrMissingParamType
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}
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// optional type transform
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if param.Type[0] == '?' {
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param.Optional = true
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param.Type = param.Type[1:]
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}
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// assign the datatype
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for _, dtype := range datatypes {
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param.Validator = dtype.Build(param.Type, datatypes...)
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param.ExtractType = dtype.Type()
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if param.Validator != nil {
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break
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}
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}
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if param.Validator == nil {
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return ErrUnknownDataType
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}
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return nil
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}
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