Fix implementation of stem

parkera · parkera · commit 563c6c22b25c · 2025-02-21T09:46:12.000-08:00
diff --git a/Sources/plutil/PLUContext.swift b/Sources/plutil/PLUContext.swift
@@ -11,7 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 import Foundation
-import CoreFoundation
 
 func help(_ name: String) -> String {
     name +
@@ -1163,7 +1162,8 @@ extension String {
     }
 
     var stem: String {
-        String(self[_stemRange()])
+        guard let last = lastComponent else { return "" }
+        return String(last[last._stemRange()])
     }
     
     var lastComponent: String? {

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,6 @@`
`11`	`11`	`//===----------------------------------------------------------------------===//`
`12`	`12`
`13`	`13`	`import Foundation`
`14`		`-import CoreFoundation`
`15`	`14`
`16`	`15`	`func help(_ name: String) -> String {`
`17`	`16`	`name +`
`@@ -1163,7 +1162,8 @@ extension String {`
`1163`	`1162`	`}`
`1164`	`1163`
`1165`	`1164`	`var stem: String {`
`1166`		`- String(self[_stemRange()])`
	`1165`	`+ guard let last = lastComponent else { return "" }`
	`1166`	`+ return String(last[last._stemRange()])`
`1167`	`1167`	`}`
`1168`	`1168`
`1169`	`1169`	`var lastComponent: String? {`