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편집 파일: QueryParamBuilder.php

<?php
namespace Aws\Api\Serializer;

use Aws\Api\StructureShape;
use Aws\Api\ListShape;
use Aws\Api\MapShape;
use Aws\Api\Shape;
use Aws\Api\TimestampShape;

/**
 * @internal
 */
class QueryParamBuilder
{
    private $methods;

protected function queryName(Shape $shape, $default = null)
    {
        if (null !== $shape['queryName']) {
            return $shape['queryName'];
        }

if (null !== $shape['locationName']) {
            return $shape['locationName'];
        }

if ($this->isFlat($shape) && !empty($shape['member']['locationName'])) {
            return $shape['member']['locationName'];
        }

return $default;
    }

protected function isFlat(Shape $shape)
    {
        return $shape['flattened'] === true;
    }

public function __invoke(StructureShape $shape, array $params)
    {
        if (!$this->methods) {
            $this->methods = array_fill_keys(get_class_methods($this), true);
        }

$query = [];
        $this->format_structure($shape, $params, '', $query);

return $query;
    }

protected function format(Shape $shape, $value, $prefix, array &$query)
    {
        $type = 'format_' . $shape['type'];
        if (isset($this->methods[$type])) {
            $this->{$type}($shape, $value, $prefix, $query);
        } else {
            $query[$prefix] = (string) $value;
        }
    }

protected function format_structure(
        StructureShape $shape,
        array $value,
        $prefix,
        &$query
    ) {
        if ($prefix) {
            $prefix .= '.';
        }

foreach ($value as $k => $v) {
            if ($shape->hasMember($k)) {
                $member = $shape->getMember($k);
                $this->format(
                    $member,
                    $v,
                    $prefix . $this->queryName($member, $k),
                    $query
                );
            }
        }
    }

protected function format_list(
        ListShape $shape,
        array $value,
        $prefix,
        &$query
    ) {
        // Handle empty list serialization
        if (!$value) {
            $query[$prefix] = '';
            return;
        }

$items = $shape->getMember();

if (!$this->isFlat($shape)) {
            $locationName = $shape->getMember()['locationName'] ?: 'member';
            $prefix .= ".$locationName";
            // flattened lists can also model a `locationName`
        } elseif ($name = $shape['locationName'] ?? $this->queryName($items)) {
            $parts = explode('.', $prefix);
            $parts[count($parts) - 1] = $name;
            $prefix = implode('.', $parts);
        }

foreach ($value as $k => $v) {
            $this->format($items, $v, $prefix . '.' . ($k + 1), $query);
        }
    }

protected function format_map(
        MapShape $shape,
        array $value,
        $prefix,
        array &$query
    ) {
        $vals = $shape->getValue();
        $keys = $shape->getKey();

if (!$this->isFlat($shape)) {
            $prefix .= '.entry';
        }

$i = 0;
        $keyName = '%s.%d.' . $this->queryName($keys, 'key');
        $valueName = '%s.%s.' . $this->queryName($vals, 'value');

foreach ($value as $k => $v) {
            $i++;
            $this->format($keys, $k, sprintf($keyName, $prefix, $i), $query);
            $this->format($vals, $v, sprintf($valueName, $prefix, $i), $query);
        }
    }

protected function format_blob(Shape $shape, $value, $prefix, array &$query)
    {
        $query[$prefix] = base64_encode($value);
    }

protected function format_timestamp(
        TimestampShape $shape,
        $value,
        $prefix,
        array &$query
    ) {
        $timestampFormat = !empty($shape['timestampFormat'])
            ? $shape['timestampFormat']
            : 'iso8601';
        $query[$prefix] = TimestampShape::format($value, $timestampFormat);
    }

protected function format_boolean(Shape $shape, $value, $prefix, array &$query)
    {
        $query[$prefix] = ($value) ? 'true' : 'false';
    }
}

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