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72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package json
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import (
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"encoding/json"
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"fmt"
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"github.com/antonmedv/fx/pkg/dict"
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"github.com/antonmedv/fx/pkg/theme"
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"strings"
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)
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func PrettyPrint(v interface{}, level int, theme theme.Theme) string {
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ident := strings.Repeat(" ", level)
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subident := strings.Repeat(" ", level-1)
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switch v := v.(type) {
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case nil:
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return theme.Null("null")
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case bool:
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if v {
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return theme.Boolean("true")
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} else {
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return theme.Boolean("false")
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}
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case json.Number:
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return theme.Number(v.String())
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case string:
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return theme.String(fmt.Sprintf("%q", v))
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case *dict.Dict:
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keys := v.Keys
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if len(keys) == 0 {
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return theme.Syntax("{}")
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}
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output := theme.Syntax("{")
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output += "\n"
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for i, k := range keys {
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key := theme.Key(i, len(keys))(fmt.Sprintf("%q", k))
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value, _ := v.Get(k)
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delim := theme.Syntax(": ")
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line := ident + key + delim + PrettyPrint(value, level+1, theme)
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if i < len(keys)-1 {
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line += theme.Syntax(",")
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}
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line += "\n"
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output += line
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}
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return output + subident + theme.Syntax("}")
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case []interface{}:
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slice := v
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if len(slice) == 0 {
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return theme.Syntax("[]")
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}
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output := theme.Syntax("[\n")
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for i, value := range v {
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line := ident + PrettyPrint(value, level+1, theme)
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if i < len(slice)-1 {
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line += ",\n"
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} else {
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line += "\n"
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}
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output += line
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}
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return output + subident + theme.Syntax("]")
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default:
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return "unknown type"
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}
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}
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