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<?php

namespace Barryvdh\Debugbar\DataFormatter;

use DebugBar\DataFormatter\DataFormatter;

class QueryFormatter extends DataFormatter
{
    /**
     * Removes extra spaces at the beginning and end of the SQL query and its lines.
     *
     * @param  string $sql
     * @return string
     */
    public function formatSql($sql)
    {
        $sql = preg_replace("/\?(?=(?:[^'\\\']*'[^'\\']*')*[^'\\\']*$)(?:\?)/", '?', $sql);
        $sql = trim(preg_replace("/\s*\n\s*/", "\n", $sql));

return $sql;
    }

/**
     * Check bindings for illegal (non UTF-8) strings, like Binary data.
     *
     * @param $bindings
     * @return mixed
     */
    public function checkBindings($bindings)
    {
        foreach ($bindings as &$binding) {
            if (is_string($binding) && !mb_check_encoding($binding, 'UTF-8')) {
                $binding = '[BINARY DATA]';
            }

if (is_array($binding)) {
                $binding = $this->checkBindings($binding);
                $binding = '[' . implode(',', $binding) . ']';
            }

if (is_object($binding)) {
                $binding =  json_encode($binding);
            }
        }

return $bindings;
    }

/**
     * Make the bindings safe for outputting.
     *
     * @param array $bindings
     * @return array
     */
    public function escapeBindings($bindings)
    {
        foreach ($bindings as &$binding) {
            $binding = htmlentities((string) $binding, ENT_QUOTES, 'UTF-8', false);
        }

return $bindings;
    }

/**
     * Format a source object.
     *
     * @param  object|null  $source  If the backtrace is disabled, the $source will be null.
     * @return string
     */
    public function formatSource($source)
    {
        if (! is_object($source)) {
            return '';
        }

$parts = [];

if ($source->namespace) {
            $parts['namespace'] = $source->namespace . '::';
        }

$parts['name'] = $source->name;
        $parts['line'] = ':' . $source->line;

return implode($parts);
    }
}