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<?php |
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namespace Cerbero\JsonParser; |
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use function count; |
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/** |
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* The JSON tree. |
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* |
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*/ |
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final class Tree |
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{ |
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/** |
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* The original JSON tree. |
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* |
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* @var array<int, string|int> |
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*/ |
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private array $original = []; |
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/** |
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* The wildcarded JSON tree. |
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* |
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* @var array<int, string|int> |
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*/ |
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private array $wildcarded = []; |
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/** |
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* Whether a depth is within an object. |
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* |
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* @var array<int, bool> |
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*/ |
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private array $inObjectByDepth = []; |
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/** |
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* The JSON tree depth. |
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* |
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* @var int |
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*/ |
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private int $depth = -1; |
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/** |
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* Whether the tree changed. |
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* |
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* @var bool |
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*/ |
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public bool $changed = false; |
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/** |
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* Retrieve the original JSON tree |
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* |
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* @return array<int, string|int> |
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*/ |
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130 |
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public function original(): array |
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{ |
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return $this->original; |
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} |
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/** |
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* Retrieve the wildcarded JSON tree |
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* |
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* @return array<int, string|int> |
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*/ |
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79 |
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public function wildcarded(): array |
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{ |
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return $this->wildcarded; |
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} |
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/** |
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* Determine whether the current depth is within an object |
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* |
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* @return bool |
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*/ |
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126 |
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public function inObject(): bool |
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{ |
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return $this->inObjectByDepth[$this->depth] ?? false; |
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} |
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/** |
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* Retrieve the JSON tree depth |
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* |
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* @return int |
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*/ |
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126 |
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public function depth(): int |
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{ |
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return $this->depth; |
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} |
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/** |
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* Increase the tree depth by entering an object or an array |
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* |
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* @param bool $inObject |
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* @return void |
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*/ |
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126 |
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public function deepen(bool $inObject): void |
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{ |
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126 |
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$this->depth++; |
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$this->inObjectByDepth[$this->depth] = $inObject; |
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} |
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/** |
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* Decrease the tree depth |
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* |
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* @return void |
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*/ |
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public function emerge(): void |
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{ |
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$this->depth--; |
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} |
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/** |
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* Traverse the given object key |
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* |
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* @param string $key |
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* @return void |
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*/ |
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public function traverseKey(string $key): void |
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{ |
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$trimmedKey = substr($key, 1, -1); |
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$this->original[$this->depth] = $trimmedKey; |
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$this->wildcarded[$this->depth] = $trimmedKey; |
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$this->changed = true; |
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} |
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/** |
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126
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* Traverse an array |
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* |
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* @param string[] $referenceTokens |
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* @return void |
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*/ |
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public function traverseArray(array $referenceTokens): void |
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{ |
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$referenceToken = $referenceTokens[$this->depth] ?? null; |
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$index = $this->original[$this->depth] ?? null; |
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$this->original[$this->depth] = is_int($index) ? $index + 1 : 0; |
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$this->wildcarded[$this->depth] = $referenceToken == '-' ? '-' : $this->original[$this->depth]; |
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$this->changed = true; |
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if (count($this->original) > $this->depth + 1) { |
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array_splice($this->original, $this->depth + 1); |
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array_splice($this->wildcarded, $this->depth + 1); |
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} |
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} |
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/** |
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147
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* Retrieve the current key |
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* |
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149
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* @return string|int |
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*/ |
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92 |
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public function currentKey(): string|int |
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{ |
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$key = $this->original[$this->depth]; |
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return is_string($key) ? "\"$key\"" : $key; |
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} |
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} |
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cerbero90 /
json-parser
