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config: empty value for RepeatableString resets the list

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This commit is contained in:
Mitchell Hashimoto
2024-01-03 09:35:03 -08:00
parent b4f403f152
commit 8dd8bae0cd
1 changed files with 10 additions and 1 deletions
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11
src/config/Config.zig
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@ -2213,6 +2213,13 @@ pub const RepeatableString = struct {
pub fn parseCLI(self: *Self, alloc: Allocator, input: ?[]const u8) !void {
const value = input orelse return error.ValueRequired;
// Empty value resets the list
if (value.len == 0) {
self.list.clearRetainingCapacity();
return;
}
const copy = try alloc.dupeZ(u8, value);
try self.list.append(alloc, copy);
}
@ -2248,8 +2255,10 @@ pub const RepeatableString = struct {
var list: Self = .{};
try list.parseCLI(alloc, "A");
try list.parseCLI(alloc, "B");
try testing.expectEqual(@as(usize, 2), list.list.items.len);
try list.parseCLI(alloc, "");
try testing.expectEqual(@as(usize, 0), list.list.items.len);
}
};