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<?php
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namespace Aws\Api\Parser;
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use Aws\Api\DateTimeResult;
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use Aws\Api\Shape;
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/**
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 * @internal Implements standard JSON parsing.
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 */
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class JsonParser
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{
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    public function parse(Shape $shape, $value)
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    {
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        if ($value === null) {
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            return $value;
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        }
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        switch ($shape['type']) {
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            case 'structure':
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                if (isset($shape['document']) && $shape['document']) {
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                    return $value;
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                }
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                $target = [];
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                foreach ($shape->getMembers() as $name => $member) {
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                    $locationName = $member['locationName'] ?: $name;
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                    if (isset($value[$locationName])) {
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                        $target[$name] = $this->parse($member, $value[$locationName]);
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                    }
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                }
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                if (isset($shape['union'])
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                    && $shape['union']
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                    && is_array($value)
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                    && empty($target)
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                ) {
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                    foreach ($value as $key => $val) {
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                        $target['Unknown'][$key] = $val;
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                    }
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                }
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                return $target;
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            case 'list':
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                $member = $shape->getMember();
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                $target = [];
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                foreach ($value as $v) {
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                    $target[] = $this->parse($member, $v);
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                }
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                return $target;
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            case 'map':
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                $values = $shape->getValue();
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                $target = [];
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                foreach ($value as $k => $v) {
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                    $target[$k] = $this->parse($values, $v);
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                }
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                return $target;
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            case 'timestamp':
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                return DateTimeResult::fromTimestamp(
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                    $value,
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                    !empty($shape['timestampFormat']) ? $shape['timestampFormat'] : null
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                );
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            case 'blob':
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                return base64_decode($value);
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            default:
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                return $value;
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        }
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    }
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}
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