misuzu/src/Config/ScopedConfig.php

58 lines
1.7 KiB
PHP

<?php
namespace Misuzu\Config;
use InvalidArgumentException;
class ScopedConfig implements IConfig {
private IConfig $config;
private string $prefix;
// update this to : at some point, would need adjustment of the live site's config
private const SCOPE_CHAR = '.';
public function __construct(IConfig $config, string $prefix) {
if($prefix === '')
throw new InvalidArgumentException('$prefix may not be empty.');
if(!str_ends_with($prefix, self::SCOPE_CHAR))
$prefix .= self::SCOPE_CHAR;
$this->config = $config;
$this->prefix = $prefix;
}
private function getName(string $name): string {
return $this->prefix . $name;
}
public function scopeTo(string $prefix): IConfig {
return $this->config->scopeTo($this->getName($prefix));
}
public function getNames(): array {
$orig = $this->config->getNames();
$pfxLength = strlen($this->prefix);
$filter = [];
foreach($orig as $name)
if(str_starts_with($name, $this->prefix))
$filter[] = substr($name, $pfxLength);
return $filter;
}
public function getValue(string $name, string $type = CfgType::T_ANY, $default = null): mixed {
return $this->config->getValue($this->getName($name), $type, $default);
}
public function hasValue(string $name): bool {
return $this->config->hasValue($this->getName($name));
}
public function setValue(string $name, $value, bool $save = true): void {
$this->config->setValue($this->getName($name), $value, $save);
}
public function removeValue(string $name, bool $save = true): void {
$this->config->removeValue($this->getName($name), $save);
}
}