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print.go
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print.go
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package cuetils
import (
"bytes"
"fmt"
"io"
"os"
"strings"
"cuelang.org/go/cue"
"cuelang.org/go/cue/ast"
"cuelang.org/go/cue/errors"
"cuelang.org/go/cue/format"
"golang.org/x/text/language"
"golang.org/x/text/message"
)
func PrintCue(val cue.Value) (string, error) {
syn := val.Syntax(
cue.Final(),
cue.ResolveReferences(true),
cue.Definitions(true),
cue.Hidden(true),
cue.Optional(true),
cue.Attributes(true),
cue.Docs(true),
)
bs, err := format.Node(syn)
if err != nil {
return "", err
}
return string(bs), nil
}
func FormatCue(val cue.Value) (string, error) {
syn := val.Syntax(
cue.Final(),
cue.ResolveReferences(true),
cue.Concrete(true),
cue.Definitions(true),
cue.Hidden(true),
cue.Optional(true),
cue.Attributes(true),
cue.Docs(true),
)
bs, err := format.Node(syn)
if err != nil {
return "", err
}
return string(bs), nil
}
func CueSyntax(val cue.Value, opts []cue.Option) ast.Node {
if len(opts) > 0 {
return val.Syntax(opts...)
}
return val.Syntax(
cue.Attributes(true),
cue.Concrete(false),
cue.Definitions(true),
cue.Docs(true),
cue.Hidden(true),
cue.Optional(true),
cue.ResolveReferences(true),
)
}
func PrintCueValue(val cue.Value) (string, error) {
node := val.Syntax(
cue.Attributes(true),
cue.Concrete(false),
cue.Definitions(true),
cue.Docs(true),
cue.Hidden(true),
cue.Final(),
cue.Optional(false),
cue.ResolveReferences(true),
)
bytes, err := format.Node(
node,
format.TabIndent(false),
format.UseSpaces(2),
format.Simplify(),
)
if err != nil {
return "", err
}
return string(bytes), nil
}
func ValueToSyntaxString(val cue.Value, opts ...cue.Option) (string, error) {
src, err := format.Node(val.Syntax(opts...))
str := string(src)
return str, err
}
func (CRT *CueRuntime) ParseCueExpr(expr string) (cue.Value, error) {
val := CRT.CueContext.CompileString(expr)
if val.Err() != nil {
return val, val.Err()
}
return val, nil
}
func (CRT *CueRuntime) PrintValue() error {
// Get top level struct from cuelang
S, err := CRT.CueValue.Struct()
if err != nil {
return err
}
iter := S.Fields()
for iter.Next() {
label := iter.Label()
value := iter.Value()
fmt.Println(" -", label, value)
for attrKey, attrVal := range value.Attributes(cue.ValueAttr) {
fmt.Println(" --", attrKey)
for i := 0; i < 5; i++ {
str, err := attrVal.String(i)
if err != nil {
break
}
fmt.Println(" ---", str)
}
}
}
return nil
}
func getLang() language.Tag {
loc := os.Getenv("LC_ALL")
if loc == "" {
loc = os.Getenv("LANG")
}
loc = strings.Split(loc, ".")[0]
return language.Make(loc)
}
func CueErrorToString(err error) string {
p := message.NewPrinter(getLang())
format := func(w io.Writer, format string, args ...interface{}) {
p.Fprintf(w, format, args...)
}
cwd, _ := os.Getwd()
w := &bytes.Buffer{}
for _, e := range errors.Errors(err) {
for _, e2 := range errors.Errors(e) {
errors.Print(w, e2, &errors.Config{
Format: format,
Cwd: cwd,
ToSlash: true,
})
}
}
return w.String()
}
func ExpandCueError(err error) error {
s := CueErrorToString(err)
return fmt.Errorf(s)
}
func PrintCueError(err error) {
s := CueErrorToString(err)
fmt.Println(s)
}
func (CR *CueRuntime) PrintCueErrors() {
for _, err := range CR.CueErrors {
PrintCueError(err)
}
}