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Improve resolve and resolveSibling for relative paths.

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This commit is contained in:
Ilya Gorbunov
2015-12-02 21:49:14 +03:00
parent 923effe11d
commit 9f5a972816
2 changed files with 16 additions and 5 deletions
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libraries/stdlib/src/kotlin/io/files/Utils.kt
+5 -5
View File
@@ -366,8 +366,7 @@ public fun File.normalize(): File {
for (file in components.fileList) {
val name = file.toString()
when (name) {
"." -> {
}
"." -> {}
".." -> if (!list.isEmpty() && list.get(list.size - 1) != "..") list.removeAt(list.size - 1) else list.add(name)
else -> list.add(name)
}
@@ -387,8 +386,8 @@ public fun File.normalize(): File {
public fun File.resolve(relative: File): File {
if (relative.root != null)
return relative
val ourName = toString()
return if (ourName.endsWith(File.separatorChar)) File(ourName + relative) else File(ourName + File.separatorChar + relative)
val baseName = this.toString()
return if (baseName.isEmpty() || baseName.endsWith(File.separatorChar)) File(baseName + relative) else File(baseName + File.separatorChar + relative)
}
/**
@@ -409,8 +408,9 @@ public fun File.resolve(relative: String): File = resolve(File(relative))
*/
public fun File.resolveSibling(relative: File): File {
val components = filePathComponents()
val parentSubPath = if (components.size() == 0) File("..") else components.subPath(0, components.size() - 1)
val rootName = components.rootName
return if (components.size() == 0) relative else File(rootName).resolve(components.subPath(0, components.size() - 1)).resolve(relative)
return File(rootName).resolve(parentSubPath).resolve(relative)
}
/**
libraries/stdlib/test/io/Files.kt
+11
View File
@@ -235,6 +235,7 @@ class FilesTest {
File("C:\\home\\..\\documents\\..\\windows").normalize().separatorsToSystem())
assertEquals(File("C:/windows"), File("C:/home/../documents/../windows").normalize())
assertEquals(File("foo"), File("gav/bar/../../foo").normalize())
assertEquals(File("/../foo"), File("/bar/../../foo").normalize())
}
@test fun resolve() {
@@ -246,6 +247,14 @@ class FilesTest {
File("C:\\Users\\Me").resolve("Documents\\important.doc").separatorsToSystem())
assertEquals(File("C:/Users/Me/Documents/important.doc"),
File("C:/Users/Me").resolve("Documents/important.doc"))
assertEquals(File(""), File("").resolve(""))
assertEquals(File("bar"), File("").resolve("bar"))
assertEquals(File("foo/bar"), File("foo").resolve("bar"))
// should it normalize such paths?
// assertEquals(File("bar"), File("foo").resolve("../bar"))
// assertEquals(File("../bar"), File("foo").resolve("../../bar"))
// assertEquals(File("foo/bar"), File("foo").resolve("./bar"))
}
@test fun resolveSibling() {
@@ -257,6 +266,8 @@ class FilesTest {
File("C:\\Users\\Me\\profile.ini").resolveSibling("Documents\\important.doc").separatorsToSystem())
assertEquals(File("C:/Users/Me/Documents/important.doc"),
File("C:/Users/Me/profile.ini").resolveSibling("Documents/important.doc"))
assertEquals(File("gav"), File("foo").resolveSibling("gav"))
assertEquals(File("../gav"), File("").resolveSibling("gav"))
}
@test fun extension() {