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Add glob filtering when listing directory entries

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#KT-19192
This commit is contained in:
Ilya Gorbunov
2020-10-16 21:36:38 +03:00
parent e7c888a2e6
commit 038f1cbd1e
2 changed files with 38 additions and 17 deletions
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libraries/stdlib/jdk7/src/kotlin/io/path/PathUtils.kt
+25 -9
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@@ -278,38 +278,54 @@ public inline fun Path.isWritable(): Boolean = Files.isWritable(this)
public inline fun Path.isSameFile(other: Path): Boolean = Files.isSameFile(this, other)
/**
* Return a list of the entries in this directory.
* Return a list of the entries in this directory optionally filtered by matching against the specified [glob] pattern.
*
* @param glob the globbing pattern. The syntax is specified by the [FileSystem.getPathMatcher] method.
*
* @throws java.util.regex.PatternSyntaxException if the glob pattern is invalid.
* @throws NotDirectoryException If this path does not refer to a directory
* @throws IOException If an I/O error occurs
*
* @see Files.newDirectoryStream
*/
@SinceKotlin("1.4")
@ExperimentalPathApi
public fun Path.listDirectoryEntries(): List<Path> {
return Files.newDirectoryStream(this).use { it.toList() }
public fun Path.listDirectoryEntries(glob: String = "*"): List<Path> {
return Files.newDirectoryStream(this, glob).use { it.toList() }
}
/**
* Call the [block] callback with a sequence of all entries in this directory.
* Call the [block] callback with a sequence of all entries in this directory
* optionally filtered by matching against the specified [glob] pattern.
*
* @param glob the globbing pattern. The syntax is specified by the [FileSystem.getPathMatcher] method.
*
* @throws java.util.regex.PatternSyntaxException if the glob pattern is invalid.
* @throws NotDirectoryException If this path does not refer to a directory
* @throws IOException If an I/O error occurs
* @return the value returned by [block]
*
* @see Files.newDirectoryStream
*/
@SinceKotlin("1.4")
@ExperimentalPathApi
public fun <T> Path.useDirectoryEntries(block: (Sequence<Path>) -> T): T {
return Files.newDirectoryStream(this).use { block(it.asSequence()) }
public fun <T> Path.useDirectoryEntries(glob: String = "*", block: (Sequence<Path>) -> T): T {
return Files.newDirectoryStream(this, glob).use { block(it.asSequence()) }
}
/**
* Perform the given [action] on each entry in this directory.
* Perform the given [action] on each entry in this directory optionally filtered by matching against the specified [glob] pattern.
*
* @param glob the globbing pattern. The syntax is specified by the [FileSystem.getPathMatcher] method.
*
* @throws java.util.regex.PatternSyntaxException if the glob pattern is invalid.
* @throws NotDirectoryException If this path does not refer to a directory
* @throws IOException If an I/O error occurs
*
* @see Files.newDirectoryStream
*/
@SinceKotlin("1.4")
@ExperimentalPathApi
public fun Path.forEachDirectoryEntry(action: (Path) -> Unit) {
return Files.newDirectoryStream(this).use { it.forEach(action) }
public fun Path.forEachDirectoryEntry(glob: String = "*", action: (Path) -> Unit) {
return Files.newDirectoryStream(this, glob).use { it.forEach(action) }
}