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92 lines
1.7 KiB
Go

package parse
import (
"fmt"
"github.com/aziis98/cabret"
"github.com/aziis98/cabret/config"
"github.com/aziis98/cabret/operation"
)
func switchMap(m map[string]any, v *any) func(k string) bool {
return func(k string) bool {
val, ok := m[k]
if ok {
*v = val
}
return ok
}
}
func ParsePipeline(p config.Pipeline) ([]cabret.Operation, error) {
ops := []cabret.Operation{}
for _, opConfig := range p.Pipeline {
var v any
has := switchMap(opConfig, &v)
switch {
case has("source"):
value, ok := v.(string)
if !ok {
return nil, fmt.Errorf(`expected string but got "%v" of type %T`, v, v)
}
opConfig[operation.ShortFormValueKey] = value
op, err := ParseOperation("source", opConfig)
if err != nil {
return nil, err
}
ops = append(ops, op)
case has("target"):
value, ok := v.(string)
if !ok {
return nil, fmt.Errorf(`expected string but got "%v" of type %T`, v, v)
}
opConfig[operation.ShortFormValueKey] = value
op, err := ParseOperation("target", opConfig)
if err != nil {
return nil, err
}
ops = append(ops, op)
case has("use"):
name, ok := v.(string)
if !ok {
return nil, fmt.Errorf(`expected string but got "%v" of type %T`, v, v)
}
op, err := ParseOperation(name, opConfig)
if err != nil {
return nil, err
}
ops = append(ops, op)
default:
return nil, fmt.Errorf(`pipeline entry is missing one of "use", "source" or "target", got %#v`, opConfig)
}
}
return ops, nil
}
func ParseOperation(name string, options map[string]any) (cabret.Operation, error) {
op, err := operation.NewWithName(name)
if err != nil {
return nil, err
}
if err := op.Configure(options); err != nil {
return nil, err
}
return op, nil
}