/
slice_common.go
126 lines (106 loc) · 2.64 KB
/
slice_common.go
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package goflags
import (
"strings"
"github.com/pkg/errors"
fileutil "github.com/projectdiscovery/utils/file"
)
var quotes = []rune{'"', '\'', '`'}
func isQuote(char rune) (bool, rune) {
for _, quote := range quotes {
if quote == char {
return true, quote
}
}
return false, 0
}
func searchPart(value string, stop rune) (bool, string) {
var result string
for _, char := range value {
if char != stop {
result += string(char)
} else {
return true, result
}
}
return false, result
}
func ToString(slice []string) string {
defaultBuilder := &strings.Builder{}
defaultBuilder.WriteString("[")
for i, k := range slice {
defaultBuilder.WriteString("\"")
defaultBuilder.WriteString(k)
defaultBuilder.WriteString("\"")
if i != len(slice)-1 {
defaultBuilder.WriteString(", ")
}
}
defaultBuilder.WriteString("]")
return defaultBuilder.String()
}
type Options struct {
IsFromFile func(string) bool
IsEmpty func(string) bool
Normalize func(string) string
}
// ToStringSlice converts a value to string slice based on options
func ToStringSlice(value string, options Options) ([]string, error) {
var result []string
if options.IsEmpty == nil && options.IsFromFile == nil && options.Normalize == nil {
return []string{value}, nil
}
addPartToResult := func(part string) {
if !options.IsEmpty(part) {
if options.Normalize != nil {
part = options.Normalize(part)
}
result = append(result, part)
}
}
if fileutil.FileExists(value) && options.IsFromFile != nil && options.IsFromFile(value) {
linesChan, err := fileutil.ReadFile(value)
if err != nil {
return nil, err
}
for line := range linesChan {
addPartToResult(line)
}
} else {
index := 0
for index < len(value) {
char := rune(value[index])
if isQuote, quote := isQuote(char); isQuote {
quoteFound, part := searchPart(value[index+1:], quote)
if !quoteFound {
return nil, errors.New("Unclosed quote in path")
}
index += len(part) + 2
addPartToResult(part)
} else {
commaFound, part := searchPart(value[index:], ',')
if commaFound {
index += len(part) + 1
} else {
index += len(part)
}
addPartToResult(part)
}
}
}
return result, nil
}
func isEmpty(s string) bool {
return strings.TrimSpace(s) == ""
}
func isFromFile(_ string) bool {
return true
}
func normalizeTrailingParts(s string) string {
return strings.TrimSpace(s)
}
func normalize(s string) string {
return strings.TrimSpace(strings.Trim(strings.TrimSpace(s), string(quotes)))
}
func normalizeLowercase(s string) string {
return strings.TrimSpace(strings.Trim(strings.TrimSpace(strings.ToLower(s)), string(quotes)))
}