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<?php |
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/* |
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* Copyright (c) Nate Brunette. |
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* Distributed under the MIT License (http://opensource.org/licenses/MIT) |
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*/ |
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declare(strict_types=1); |
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namespace Tebru\Gson\TypeAdapter; |
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use LogicException; |
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use Tebru\Gson\Element\JsonArray; |
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use Tebru\Gson\Element\JsonElement; |
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use Tebru\Gson\Element\JsonNull; |
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use Tebru\Gson\Element\JsonObject; |
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use Tebru\Gson\Element\JsonPrimitive; |
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use Tebru\Gson\JsonReadable; |
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use Tebru\Gson\JsonToken; |
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use Tebru\Gson\JsonWritable; |
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use Tebru\Gson\TypeAdapter; |
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/** |
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* Class JsonElementTypeAdapter |
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* |
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* @author Nate Brunette <[email protected]> |
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*/ |
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class JsonElementTypeAdapter extends TypeAdapter |
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{ |
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/** |
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* Read the next value, convert it to its type and return it |
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* |
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* @param JsonReadable $reader |
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* @return JsonElement |
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* @throws \LogicException |
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*/ |
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public function read(JsonReadable $reader): JsonElement |
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{ |
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switch ($reader->peek()) { |
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case JsonToken::BEGIN_OBJECT: |
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$object = new JsonObject(); |
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$reader->beginObject(); |
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while ($reader->hasNext()) { |
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$name = $reader->nextName(); |
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$object->add($name, $this->read($reader)); |
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} |
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$reader->endObject(); |
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return $object; |
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case JsonToken::BEGIN_ARRAY: |
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$array = new JsonArray(); |
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$reader->beginArray(); |
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while ($reader->hasNext()) { |
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$array->addJsonElement($this->read($reader)); |
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} |
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$reader->endArray(); |
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return $array; |
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case JsonToken::STRING: |
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return JsonPrimitive::create($reader->nextString()); |
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case JsonToken::NUMBER: |
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return JsonPrimitive::create($reader->nextDouble()); |
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case JsonToken::BOOLEAN: |
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return JsonPrimitive::create($reader->nextBoolean()); |
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case JsonToken::NULL: |
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$reader->nextNull(); |
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return new JsonNull(); |
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default: |
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throw new LogicException(\sprintf('Could not handle token "%s" at "%s"', $reader->peek(), $reader->getPath())); |
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} |
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} |
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/** |
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* Write the value to the writer for the type |
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* |
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* @param JsonWritable $writer |
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* @param JsonElement $value |
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* @return void |
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*/ |
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public function write(JsonWritable $writer, $value): void |
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{ |
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if (null === $value || $value->isJsonNull()) { |
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$writer->writeNull(); |
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return; |
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} |
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if ($value->isJsonObject()) { |
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$writer->beginObject(); |
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foreach ($value->asJsonObject() as $key => $element) { |
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$writer->name($key); |
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$this->write($writer, $element); |
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} |
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$writer->endObject(); |
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return; |
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} |
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if ($value->isJsonArray()) { |
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$writer->beginArray(); |
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foreach ($value->asJsonArray() as $element) { |
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$this->write($writer, $element); |
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} |
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$writer->endArray(); |
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return; |
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} |
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if ($value->isInteger()) { |
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$writer->writeInteger($value->asInteger()); |
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return; |
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} |
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if ($value->isFloat()) { |
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$writer->writeFloat($value->asFloat()); |
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return; |
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} |
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if ($value->isBoolean()) { |
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$writer->writeBoolean($value->asBoolean()); |
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return; |
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} |
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$writer->writeString($value->asString()); |
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} |
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} |
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tebru /
gson-php
