/usr/share/php/Predis/Command/PrefixHelpers.php is in libphp-predis 0.8.3-1.
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/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Command;
/**
* Class that defines a few helpers method for prefixing keys.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class PrefixHelpers
{
/**
* Applies the specified prefix only the first argument.
*
* @param CommandInterface $command Command instance.
* @param string $prefix Prefix string.
*/
public static function first(CommandInterface $command, $prefix)
{
if ($arguments = $command->getArguments()) {
$arguments[0] = "$prefix{$arguments[0]}";
$command->setRawArguments($arguments);
}
}
/**
* Applies the specified prefix to all the arguments.
*
* @param CommandInterface $command Command instance.
* @param string $prefix Prefix string.
*/
public static function all(CommandInterface $command, $prefix)
{
$arguments = $command->getArguments();
foreach ($arguments as &$key) {
$key = "$prefix$key";
}
$command->setRawArguments($arguments);
}
/**
* Applies the specified prefix only to even arguments in the list.
*
* @param CommandInterface $command Command instance.
* @param string $prefix Prefix string.
*/
public static function interleaved(CommandInterface $command, $prefix)
{
$arguments = $command->getArguments();
$length = count($arguments);
for ($i = 0; $i < $length; $i += 2) {
$arguments[$i] = "$prefix{$arguments[$i]}";
}
$command->setRawArguments($arguments);
}
/**
* Applies the specified prefix to all the arguments but the first one.
*
* @param CommandInterface $command Command instance.
* @param string $prefix Prefix string.
*/
public static function skipFirst(CommandInterface $command, $prefix)
{
$arguments = $command->getArguments();
$length = count($arguments);
for ($i = 1; $i < $length; $i++) {
$arguments[$i] = "$prefix{$arguments[$i]}";
}
$command->setRawArguments($arguments);
}
/**
* Applies the specified prefix to all the arguments but the last one.
*
* @param CommandInterface $command Command instance.
* @param string $prefix Prefix string.
*/
public static function skipLast(CommandInterface $command, $prefix)
{
$arguments = $command->getArguments();
$length = count($arguments);
for ($i = 0; $i < $length - 1; $i++) {
$arguments[$i] = "$prefix{$arguments[$i]}";
}
$command->setRawArguments($arguments);
}
}
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