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<?php |
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/** |
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* Copyright (c) 2014-present, Facebook, Inc. All rights reserved. |
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* |
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* You are hereby granted a non-exclusive, worldwide, royalty-free license to |
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* use, copy, modify, and distribute this software in source code or binary |
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* form for use in connection with the web services and APIs provided by |
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* Facebook. |
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* |
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* As with any software that integrates with the Facebook platform, your use |
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* of this software is subject to the Facebook Developer Principles and |
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* Policies [http://developers.facebook.com/policy/]. This copyright notice |
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* shall be included in all copies or substantial portions of the software. |
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* |
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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 |
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* THE 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 |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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namespace FacebookAds\Logger\CurlLogger; |
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final class JsonNode { |
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/** |
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* @var int |
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*/ |
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const INDENT_UNIT = 2; |
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/** |
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* @var int |
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*/ |
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const EXPLOSION_THRESHOLD = 78; |
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/** |
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* @var mixed |
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*/ |
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protected $value; |
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/** |
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* @var \ArrayObject |
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*/ |
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protected $children; |
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/** |
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* @param mixed $value |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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public static function factory($value) { |
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$object = new self(); |
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switch (true) { |
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case is_object($value): |
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1 |
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$value = (array) $value; |
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// fallthrough |
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case is_array($value): |
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foreach ($value as $key => $sub) { |
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$object->getChildren()->offsetSet($key, self::factory($sub)); |
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} |
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// fallthrough |
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case is_null($value) || is_scalar($value): |
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$object->setValue($value); |
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break; |
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1 |
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default: |
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throw new \InvalidArgumentException( |
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gettype($value).' can\'t be encoded'); |
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1 |
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} |
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return $object; |
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} |
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public function __construct() { |
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$this->children = new \ArrayObject(); |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getValue() { |
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return $this->value; |
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} |
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/** |
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* @param mixed $value |
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* @return $this |
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*/ |
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public function setValue($value) { |
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$this->value = $value; |
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return $this; |
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} |
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/** |
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* @return \ArrayObject |
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*/ |
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public function getChildren() { |
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return $this->children; |
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} |
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/** |
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* @return int |
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*/ |
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public function getMaxTreeChildrenCount() { |
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$max = $this->getChildren()->count(); |
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/** @var JsonNode $child */ |
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foreach ($this->getChildren() as $child) { |
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$ith = $child->getMaxTreeChildrenCount(); |
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$max = $ith > $max ? $ith : $max; |
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} |
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return $max; |
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} |
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/** |
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* @param int $indent |
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* @return string |
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*/ |
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protected function getPadding($indent) { |
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return str_repeat(' ', $indent * self::INDENT_UNIT); |
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} |
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/** |
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* @return mixed |
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*/ |
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protected function getLastChildKey() { |
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if ($this->getChildren()->count() === 0) { |
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return null; |
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} |
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$copy = $this->getChildren()->getArrayCopy(); |
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end($copy); |
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return key($copy); |
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} |
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/** |
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* @param int $indent |
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* @return string |
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*/ |
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protected function encodeList($indent) { |
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$value = $this->getValue(); |
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if (empty($value) || (array_keys($value) === range(0, count($value) - 1))) { |
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$is_map = false; |
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} else { |
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$is_map = true; |
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} |
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++$indent; |
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$last_key = $this->getLastChildKey(); |
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$buffer = ($is_map ? '{' : '[')."\n"; |
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/** @var JsonNode $child */ |
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foreach ($this->getChildren() as $key => $child) { |
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$buffer .= sprintf( |
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"%s%s%s%s\n", |
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$this->getPadding($indent), |
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$is_map ? sprintf("%s: ", json_encode($key)) : '', |
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$child->encode($indent), |
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$key === $last_key ? '' : ','); |
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} |
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--$indent; |
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$buffer .= $this->getPadding($indent).($is_map ? '}' : ']'); |
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return $buffer; |
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} |
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/** |
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* @param int $indent |
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* @return string |
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*/ |
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public function encode($indent = 0) { |
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$value = $this->getValue(); |
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if (is_array($value) || is_object($value)) { |
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if ($this->getMaxTreeChildrenCount() > 2) { |
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return $this->encodeList($indent); |
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} |
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$ugly = json_encode($value); |
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$output_prediction = $this->getPadding($indent).$ugly; |
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if (strlen($output_prediction) > self::EXPLOSION_THRESHOLD) { |
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return $this->encodeList($indent); |
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} |
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return $ugly; |
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} |
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return json_encode($value); |
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} |
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} |
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facebook /
facebook-php-ads-sdk
