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utils.go
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utils.go
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package process
import (
"fmt"
"strconv"
"strings"
"time"
"unicode"
)
func ClampString(input string, clamp int) string {
if len(input) > clamp {
return input[:clamp]
}
return input
}
func RemoveNewline(input string) string {
// Replace \n with an empty string
result := strings.ReplaceAll(input, "\n", "")
// Replace \r with an empty string
result = strings.ReplaceAll(result, "\r", "")
return result
}
func RemoveIndex(slice []string, s int) []string {
return append(slice[:s], slice[s+1:]...)
}
func ExtractTimezone(dateStr string) (string, error) {
// Parse the datetime part
t, err := time.Parse(time.RFC3339, dateStr)
if err != nil {
return "", fmt.Errorf("error parsing date: %v", err)
}
// Get the timezone offset in seconds
_, offsetSeconds := t.Zone()
// Convert the offset to hours and minutes
offsetHours := offsetSeconds / 3600
offsetMinutes := (offsetSeconds % 3600) / 60
// Format the timezone
timezone := fmt.Sprintf("%+03d:%02d", offsetHours, offsetMinutes)
// Determine if the timezone is behind or ahead of UTC
var direction string
if offsetHours == 0 && offsetMinutes == 0 {
direction = "UTC"
timezone = "Z"
} else if offsetHours < 0 {
direction = fmt.Sprintf("%d hours behind UTC", -offsetHours)
} else {
direction = fmt.Sprintf("%d hours ahead of UTC", offsetHours)
}
// Combine the formatted timezone and the direction
timezoneWithDirection := fmt.Sprintf("%s (i.e., %s)", timezone, direction)
return timezoneWithDirection, nil
}
func RemoveEmptyStrings(slice []string) []string {
// Create a new slice to hold non-empty strings
result := []string{}
// Iterate over the original slice
for _, str := range slice {
if str != "" {
// Append non-empty strings to the result slice
result = append(result, str)
}
}
return result
}
func RemoveLeadingWhitespace(input string) string {
return strings.TrimLeftFunc(input, unicode.IsSpace)
}
func RemoveEmptyLines(lines []string) []string {
var filtered []string
for _, line := range lines {
// Remove all spaces, tabs, etc.
trimmedLine := strings.ReplaceAll(line, " ", "")
trimmedLine = strings.ReplaceAll(trimmedLine, "\t", "")
// Filter out empty lines
if trimmedLine != "" {
filtered = append(filtered, line)
}
}
return filtered
}
func IndexOf(slice []string, item string) int {
for i, v := range slice {
if v == item {
return i
}
}
return -1 // Item not found
}
func IsNumber(s string) bool {
_, err := strconv.Atoi(s)
return err == nil
}