%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Nette Framework (http://nette.org)
*
* Copyright (c) 2004 David Grudl (http://davidgrudl.com)
*
* For the full copyright and license information, please view
* the file license.txt that was distributed with this source code.
*/
namespace Nette\Config\Adapters;
use Nette,
Nette\Config\Helpers;
/**
* Reading and generating INI files.
*
* @author David Grudl
*/
class IniAdapter extends Nette\Object implements Nette\Config\IAdapter
{
/** @internal */
const INHERITING_SEPARATOR = '<', // child < parent
KEY_SEPARATOR = '.', // key nesting key1.key2.key3
ESCAPED_KEY_SEPARATOR = '..',
RAW_SECTION = '!';
/**
* Reads configuration from INI file.
* @param string file name
* @return array
* @throws Nette\InvalidStateException
*/
public function load($file)
{
set_error_handler(function($severity, $message) { // parse_ini_file returns FALSE on failure since PHP 5.2.7
restore_error_handler();
throw new Nette\InvalidStateException("parse_ini_file(): $message");
});
$ini = parse_ini_file($file, TRUE);
restore_error_handler();
$data = array();
foreach ($ini as $secName => $secData) {
if (is_array($secData)) { // is section?
if (substr($secName, -1) === self::RAW_SECTION) {
$secName = substr($secName, 0, -1);
} else { // process key nesting separator (key1.key2.key3)
$tmp = array();
foreach ($secData as $key => $val) {
$cursor = & $tmp;
$key = str_replace(self::ESCAPED_KEY_SEPARATOR, "\xFF", $key);
foreach (explode(self::KEY_SEPARATOR, $key) as $part) {
$part = str_replace("\xFF", self::KEY_SEPARATOR, $part);
if (!isset($cursor[$part]) || is_array($cursor[$part])) {
$cursor = & $cursor[$part];
} else {
throw new Nette\InvalidStateException("Invalid key '$key' in section [$secName] in file '$file'.");
}
}
$cursor = $val;
}
$secData = $tmp;
}
$parts = explode(self::INHERITING_SEPARATOR, $secName);
if (count($parts) > 1) {
$secName = trim($parts[0]);
$secData[Helpers::EXTENDS_KEY] = trim($parts[1]);
}
}
$cursor = & $data; // nesting separator in section name
foreach (explode(self::KEY_SEPARATOR, $secName) as $part) {
if (!isset($cursor[$part]) || is_array($cursor[$part])) {
$cursor = & $cursor[$part];
} else {
throw new Nette\InvalidStateException("Invalid section [$secName] in file '$file'.");
}
}
if (is_array($secData) && is_array($cursor)) {
$secData = Helpers::merge($secData, $cursor);
}
$cursor = $secData;
}
return $data;
}
/**
* Generates configuration in INI format.
* @return string
*/
public function dump(array $data)
{
$output = array();
foreach ($data as $name => $secData) {
if (!is_array($secData)) {
$output = array();
self::build($data, $output, '');
break;
}
if ($parent = Helpers::takeParent($secData)) {
$output[] = "[$name " . self::INHERITING_SEPARATOR . " $parent]";
} else {
$output[] = "[$name]";
}
self::build($secData, $output, '');
$output[] = '';
}
return "; generated by Nette\n\n" . implode(PHP_EOL, $output);
}
/**
* Recursive builds INI list.
* @return void
*/
private static function build($input, & $output, $prefix)
{
foreach ($input as $key => $val) {
$key = str_replace(self::KEY_SEPARATOR, self::ESCAPED_KEY_SEPARATOR, $key);
if (is_array($val)) {
self::build($val, $output, $prefix . $key . self::KEY_SEPARATOR);
} elseif (is_bool($val)) {
$output[] = "$prefix$key = " . ($val ? 'true' : 'false');
} elseif (is_numeric($val)) {
$output[] = "$prefix$key = $val";
} elseif (is_string($val)) {
$output[] = "$prefix$key = \"$val\"";
} else {
throw new Nette\InvalidArgumentException("The '$prefix$key' item must be scalar or array, " . gettype($val) ." given.");
}
}
}
}
Zerion Mini Shell 1.0