106 lines
2.4 KiB
Swift
106 lines
2.4 KiB
Swift
/*
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MIT License
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Copyright (c) 2016 Maxim Khatskevich (maxim@khatskevi.ch)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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// MARK: - Metadata
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public
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typealias ValidatationMetadata = (
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isSecret: Bool,
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isEmpty: Bool,
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isRequired: Bool,
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isValid: Bool
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)
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public
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protocol WithValidationMetadata
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{
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var metadata: ValidatationMetadata { get }
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}
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//---
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extension SomeNonRequiredValueWrapper
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{
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public
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var metadata: ValidatationMetadata
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{
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return (
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type(of: self).isSecret,
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isEmpty,
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false,
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isValid
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)
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}
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}
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//---
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extension SomeRequiredValueWrapper
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{
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public
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var metadata: ValidatationMetadata
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{
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return (
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type(of: self).isSecret,
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isEmpty,
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true,
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isValid
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)
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}
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}
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//---
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extension Swift.Optional: WithValidationMetadata where Wrapped: SomeNonRequiredValueWrapper
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{
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public
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var metadata: ValidatationMetadata
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{
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return (
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Wrapped.isSecret,
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map { $0.isEmpty } ?? true,
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false,
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map { $0.isValid } ?? false
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)
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}
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}
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//---
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extension Swift.Optional where Wrapped: SomeRequiredValueWrapper
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{
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public
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var metadata: ValidatationMetadata
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{
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return (
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Wrapped.isSecret,
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map { $0.isEmpty } ?? true,
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true,
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isValid
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)
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}
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}
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