c74fcbf282
Since caching all subject data proved too complex in the time available, this implementation uses a simple key/value lookup table to cache subject names and perform backward searches by uid.
54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package entity
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import (
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"strings"
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)
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const (
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ClipStringType = 64
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)
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// ToASCII removes all non-ascii characters from a string and returns it.
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func ToASCII(s string) string {
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result := make([]rune, 0, len(s))
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for _, r := range s {
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if r <= 127 {
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result = append(result, r)
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}
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}
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return string(result)
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}
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// Clip shortens a string to the given number of characters, and removes all leading and trailing white space.
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func Clip(s string, maxLen int) string {
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s = strings.TrimSpace(s)
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l := len(s)
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if l <= maxLen {
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return s
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} else {
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return s[:maxLen]
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}
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}
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// SanitizeStringType omits invalid runes, ensures a maximum length of 32 characters, and returns the result.
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func SanitizeStringType(s string) string {
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return Clip(ToASCII(s), ClipStringType)
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}
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// SanitizeStringTypeLower converts a type string to lowercase, omits invalid runes, and shortens it if needed.
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func SanitizeStringTypeLower(s string) string {
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return SanitizeStringType(strings.ToLower(s))
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}
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// TypeString returns an entity type string for logging.
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func TypeString(entityType string) string {
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if entityType == "" {
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return "unknown"
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}
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return entityType
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}
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