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fx/pkg/reducer/reduce.go

77 lines
1.5 KiB
Go

package reducer
import (
"bytes"
_ "embed"
"encoding/json"
"fmt"
"os/exec"
"strings"
. "github.com/antonmedv/fx/pkg/json"
. "github.com/antonmedv/fx/pkg/theme"
)
func GenerateCode(lang string, args []string, fxrc string) string {
switch lang {
case "js":
return js(args, fxrc)
case "node":
return nodejs(args, fxrc)
case "python", "python3":
return python(args)
case "ruby":
return ruby(args)
default:
panic("unknown lang")
}
}
func Reduce(input interface{}, lang string, args []string, theme Theme, fxrc string) int {
path, ok := SplitSimplePath(args)
if ok {
output := GetBySimplePath(input, path)
Echo(output, theme)
return 0
}
var cmd *exec.Cmd
switch lang {
case "node":
cmd = CreateNodejs(args, fxrc)
case "python", "python3":
cmd = CreatePython(lang, args)
case "ruby":
cmd = CreateRuby(args)
default:
panic("unknown lang")
}
// TODO: Reimplement stringify with io.Reader.
cmd.Stdin = strings.NewReader(Stringify(input))
output, err := cmd.CombinedOutput()
if err != nil {
exitCode := 1
status, ok := err.(*exec.ExitError)
if ok {
exitCode = status.ExitCode()
} else {
fmt.Println(err.Error())
}
fmt.Print(string(output))
return exitCode
}
dec := json.NewDecoder(bytes.NewReader(output))
dec.UseNumber()
object, err := Parse(dec)
if err != nil {
fmt.Print(string(output))
return 0
}
Echo(object, theme)
if dec.InputOffset() < int64(len(output)) {
fmt.Print(string(output[dec.InputOffset():]))
}
return 0
}