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99 lines
1.8 KiB
Go
99 lines
1.8 KiB
Go
package reducer
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import (
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"bytes"
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_ "embed"
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"encoding/json"
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"fmt"
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"os/exec"
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"strings"
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. "github.com/antonmedv/fx/pkg/json"
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. "github.com/antonmedv/fx/pkg/theme"
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)
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func GenerateCode(lang string, args []string) string {
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switch lang {
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case "node":
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return nodejs(args)
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case "python", "python3":
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return python(args)
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case "ruby":
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return ruby(args)
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default:
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panic("unknown lang")
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}
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}
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func Reduce(object interface{}, lang string, args []string, theme Theme) int {
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if len(args) == 0 {
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echo(object, theme)
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return 0
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}
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var cmd *exec.Cmd
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switch lang {
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case "node":
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cmd = CreateNodejs(args)
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case "python", "python3":
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cmd = CreatePython(lang, args)
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case "ruby":
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cmd = CreateRuby(args)
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default:
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panic("unknown lang")
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}
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cmd.Stdin = strings.NewReader(Stringify(object))
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output, err := cmd.CombinedOutput()
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if err != nil {
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exitCode := 1
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status, ok := err.(*exec.ExitError)
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if ok {
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exitCode = status.ExitCode()
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} else {
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fmt.Println(err.Error())
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}
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fmt.Print(string(output))
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return exitCode
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}
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dec := json.NewDecoder(bytes.NewReader(output))
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dec.UseNumber()
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jsonObject, err := Parse(dec)
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if err != nil {
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fmt.Print(string(output))
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return 0
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}
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echo(jsonObject, theme)
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if dec.InputOffset() < int64(len(output)) {
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fmt.Print(string(output[dec.InputOffset():]))
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}
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return 0
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}
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func echo(object interface{}, theme Theme) {
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if s, ok := object.(string); ok {
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fmt.Println(s)
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} else {
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fmt.Println(PrettyPrint(object, 1, theme))
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}
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}
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func trace(args []string, i int) (pre, post, pointer string) {
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pre = strings.Join(args[:i], " ")
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if len(pre) > 20 {
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pre = "..." + pre[len(pre)-20:]
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}
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post = strings.Join(args[i+1:], " ")
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if len(post) > 20 {
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post = post[:20] + "..."
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}
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pointer = fmt.Sprintf(
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"%v %v %v",
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strings.Repeat(" ", len(pre)),
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strings.Repeat("^", len(args[i])),
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strings.Repeat(" ", len(post)),
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)
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return
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}
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