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|
package utils
import (
"bytes"
"encoding/json"
"fmt"
"os"
"text/tabwriter"
)
const (
colorReset = "\033[0m"
colorKey = "\033[36m"
colorString = "\033[32m"
colorNumber = "\033[33m"
colorBool = "\033[35m"
colorNull = "\033[90m"
colorBrace = "\033[37m"
)
func colorizeJSON(data []byte) string {
if !isTerminal() {
return string(data)
}
var result bytes.Buffer
var inString bool
var isKey bool
var depth int
for i := 0; i < len(data); i++ {
c := data[i]
switch c {
case '"':
if i > 0 && data[i-1] != '\\' {
inString = !inString
if inString {
if i > 0 && (data[i-1] == '{' || data[i-1] == ',' || data[i-1] == '[' || data[i-1] == '\n' || data[i-1] == ' ') {
isKey = true
result.WriteString(colorKey)
} else {
result.WriteString(colorString)
}
} else {
result.WriteByte(c)
result.WriteString(colorReset)
if isKey && i+1 < len(data) && data[i+1] == ':' {
isKey = false
}
continue
}
}
result.WriteByte(c)
case '{', '}', '[', ']':
if !inString {
result.WriteString(colorBrace)
result.WriteByte(c)
result.WriteString(colorReset)
if c == '{' || c == '[' {
depth++
} else {
depth--
}
} else {
result.WriteByte(c)
}
case 't', 'f':
if !inString && i+3 < len(data) {
word := string(data[i:min(i+5, len(data))])
if word[:4] == "true" || word[:5] == "false" {
result.WriteString(colorBool)
if word[:4] == "true" {
result.WriteString("true")
i += 3
} else {
result.WriteString("false")
i += 4
}
result.WriteString(colorReset)
} else {
result.WriteByte(c)
}
} else {
result.WriteByte(c)
}
case 'n':
if !inString && i+3 < len(data) && string(data[i:i+4]) == "null" {
result.WriteString(colorNull)
result.WriteString("null")
result.WriteString(colorReset)
i += 3
} else {
result.WriteByte(c)
}
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-':
if !inString {
result.WriteString(colorNumber)
for i < len(data) && (data[i] >= '0' && data[i] <= '9' || data[i] == '.' || data[i] == '-' || data[i] == 'e' || data[i] == 'E' || data[i] == '+') {
result.WriteByte(data[i])
i++
}
i--
result.WriteString(colorReset)
} else {
result.WriteByte(c)
}
default:
result.WriteByte(c)
}
}
return result.String()
}
func PrintJSON(data any) error {
output, err := json.MarshalIndent(data, "", " ")
if err != nil {
return fmt.Errorf("failed to format JSON: %w", err)
}
fmt.Println(colorizeJSON(output))
return nil
}
func PrintTable(headers []string, rows [][]string) {
w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
defer w.Flush()
for _, h := range headers {
fmt.Fprintf(w, "%s\t", h)
}
fmt.Fprintln(w)
for _, row := range rows {
for _, col := range row {
fmt.Fprintf(w, "%s\t", col)
}
fmt.Fprintln(w)
}
}
func PrintError(err error) {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
|
