muonsoft /
validation
| Total Lines | 40 |
| Duplicated Lines | 0 % |
| Coverage | 87.5% |
| Changes | 0 | ||
| 1 | package validation |
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| 2 | |||
| 3 | // Option is used to set up validation process of a value. |
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| 4 | type Option interface { |
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| 5 | // SetUp is called when the validation process is initialized |
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| 6 | // and can be used to gracefully handle errors when initializing constraints. |
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| 7 | SetUp() error |
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| 8 | } |
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| 9 | |||
| 10 | // internalOption is used to tune the validation scope before starting the validation process. |
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| 11 | type internalOption interface { |
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| 12 | setUpOnScope(scope *Scope) error |
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| 13 | } |
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| 14 | |||
| 15 | // optionFunc is an adapter that allows to use ordinary functions as validation options. |
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| 16 | type optionFunc func(scope *Scope) error |
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| 17 | |||
| 18 | func (f optionFunc) SetUp() error { |
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| 19 | return nil |
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| 20 | } |
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| 21 | |||
| 22 | func (f optionFunc) setUpOnScope(scope *Scope) error { |
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| 23 | 1 | return f(scope) |
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| 24 | } |
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| 25 | |||
| 26 | // PropertyName option adds name of the given property to current validation scope. |
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| 27 | func PropertyName(propertyName string) Option { |
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| 28 | 1 | return optionFunc(func(scope *Scope) error { |
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| 29 | 1 | scope.propertyPath = append(scope.propertyPath, PropertyNameElement(propertyName)) |
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| 30 | |||
| 31 | 1 | return nil |
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| 32 | }) |
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| 33 | } |
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| 34 | |||
| 35 | // ArrayIndex option adds index of the given array to current validation scope. |
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| 36 | func ArrayIndex(index int) Option { |
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| 37 | 1 | return optionFunc(func(scope *Scope) error { |
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| 38 | 1 | scope.propertyPath = append(scope.propertyPath, ArrayIndexElement(index)) |
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| 39 | |||
| 40 | 1 | return nil |
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| 41 | }) |
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| 43 |
