1 | <?php |
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2 | |||
3 | namespace League\JsonGuard; |
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4 | |||
5 | use League\JsonGuard\Exception\InvalidSchemaException; |
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6 | |||
7 | /** |
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8 | * Assertions to verify a schema is valid. |
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9 | */ |
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10 | final class Assert |
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11 | { |
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12 | /** |
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13 | * Validate an array has at least one element. |
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14 | * |
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15 | * @param array $value |
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16 | * @param string $keyword |
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17 | * @param string $pointer |
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18 | */ |
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19 | 28 | public static function notEmpty(array $value, $keyword, $pointer) |
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20 | { |
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21 | 28 | if (!empty($value)) { |
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22 | 22 | return; |
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23 | } |
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24 | |||
25 | 6 | throw InvalidSchemaException::emptyArray($keyword, $pointer); |
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26 | } |
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27 | |||
28 | /** |
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29 | * Validate an integer is non-negative. |
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30 | * |
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31 | * @param integer $value |
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32 | * @param string $keyword |
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33 | * @param string $pointer |
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34 | */ |
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35 | 48 | public static function nonNegative($value, $keyword, $pointer) |
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36 | { |
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37 | 48 | if ($value >= 0) { |
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38 | 32 | return; |
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39 | } |
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40 | |||
41 | 16 | throw InvalidSchemaException::negativeValue( |
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42 | 16 | $value, |
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43 | 16 | $keyword, |
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44 | 16 | $pointer |
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45 | ); |
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46 | } |
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47 | |||
48 | /** |
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49 | * Validate a value is one of the allowed types. |
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50 | * |
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51 | * @param mixed $value |
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52 | * @param array|string $choices |
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53 | * @param string $keyword |
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54 | * @param string $pointer |
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55 | * |
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56 | * @throws InvalidSchemaException |
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57 | */ |
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58 | 250 | public static function type($value, $choices, $keyword, $pointer) |
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59 | { |
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60 | 250 | $actualType = gettype($value); |
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61 | 250 | $choices = is_array($choices) ? $choices : [$choices]; |
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62 | |||
63 | 250 | if (in_array($actualType, $choices) || |
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64 | 250 | (is_json_number($value) && in_array('number', $choices))) { |
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65 | 194 | return; |
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66 | } |
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67 | |||
68 | 56 | throw InvalidSchemaException::invalidParameterType( |
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69 | 56 | $actualType, |
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70 | 56 | $choices, |
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71 | 56 | $keyword, |
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72 | 56 | $pointer |
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73 | ); |
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74 | } |
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75 | |||
76 | /** |
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77 | * @param object $schema |
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78 | * @param string $property |
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79 | * @param string $keyword |
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80 | * @param string $pointer |
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81 | */ |
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82 | 8 | public static function hasProperty($schema, $property, $keyword, $pointer) |
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83 | { |
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84 | 8 | if (isset($schema->$property)) { |
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85 | 8 | return; |
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86 | } |
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87 | |||
88 | throw InvalidSchemaException::missingProperty( |
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89 | $property, |
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90 | $keyword, |
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91 | $pointer |
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92 | ); |
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93 | } |
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94 | } |
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95 |