T. R. Bernstein
8af25be549
Patterns such as `.*` or `@*` are matched against an item's own name with `fnmatch`, in the same places as excluded names: resolving a tree, extending a watch to a directory that appears later, and delivering events. Dependents that prune large trees can now skip whole families of directories without listing each name.
34 lines
902 B
Swift
34 lines
902 B
Swift
#if canImport(Musl)
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import Musl
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#else
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import Glibc
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#endif
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/// The item names an ``Inotify`` instance skips: exact names and shell
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/// patterns, both matched against an item's own name.
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struct ExclusionList: Sendable {
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private var names: Set<String> = []
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private var patterns: [String] = []
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init(names: Set<String> = [], patterns: [String] = []) {
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self.names = names
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self.patterns = patterns
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}
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mutating func add(name: String) {
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self.names.insert(name)
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}
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mutating func add(pattern: String) {
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guard !self.patterns.contains(pattern) else { return }
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self.patterns.append(pattern)
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}
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/// Patterns are matched as the shell matches file names: `*` and `?`
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/// stand for any characters, `[…]` for a set, and a leading dot needs
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/// no special treatment.
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func excludes(_ name: String) -> Bool {
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self.names.contains(name) || self.patterns.contains { fnmatch($0, name, 0) == 0 }
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}
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}
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