1 | <?php |
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7 | class JsonDataset |
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8 | { |
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9 | |||
10 | /** |
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11 | * @var object |
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12 | */ |
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13 | private $jsonObject; |
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14 | |||
15 | /** |
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16 | * JsonDataset constructor. |
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17 | * @param $json |
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18 | * @throws DatasetException |
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19 | */ |
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20 | 8 | public function __construct($json) |
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21 | { |
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22 | 8 | $this->jsonObject = json_decode($json, true); |
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23 | |||
24 | 8 | $lastError = json_last_error(); |
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25 | switch ($lastError) { |
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26 | 8 | case JSON_ERROR_NONE: |
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27 | 7 | $lastErrorDesc = 'No errors'; |
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28 | 7 | break; |
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29 | 1 | case JSON_ERROR_DEPTH: |
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30 | $lastErrorDesc = 'Maximum stack depth exceeded'; |
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31 | break; |
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32 | 1 | case JSON_ERROR_STATE_MISMATCH: |
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33 | $lastErrorDesc = 'Underflow or the modes mismatch'; |
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34 | break; |
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35 | 1 | case JSON_ERROR_CTRL_CHAR: |
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36 | $lastErrorDesc = 'Unexpected control character found'; |
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37 | break; |
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38 | 1 | case JSON_ERROR_SYNTAX: |
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39 | 1 | $lastErrorDesc = 'Syntax error, malformed JSON'; |
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40 | 1 | break; |
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41 | case JSON_ERROR_UTF8: |
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42 | $lastErrorDesc = 'Malformed UTF-8 characters, possibly incorrectly encoded'; |
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43 | break; |
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44 | default: |
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45 | $lastErrorDesc = 'Unknown error'; |
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46 | break; |
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47 | } |
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48 | |||
49 | 8 | if ($lastError != JSON_ERROR_NONE) { |
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50 | 2 | throw new DatasetException("Invalid JSON string: " . $lastErrorDesc); |
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51 | } |
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52 | 7 | } |
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53 | |||
54 | /** |
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55 | * @access public |
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56 | * @param string $path |
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57 | * @param bool $throwErr |
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58 | * @return GenericIterator |
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59 | */ |
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60 | 7 | public function getIterator($path = "", $throwErr = false) |
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65 | } |
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66 |