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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Config\Writer;
use Zend\Config\Exception;
class Ini extends AbstractWriter
{
/**
* Separator for nesting levels of configuration data identifiers.
*
* @var string
*/
protected $nestSeparator = '.';
/**
* If true the INI string is rendered in the global namespace without
* sections.
*
* @var bool
*/
protected $renderWithoutSections = false;
/**
* Set nest separator.
*
* @param string $separator
* @return self
*/
public function setNestSeparator($separator)
{
$this->nestSeparator = $separator;
return $this;
}
/**
* Get nest separator.
*
* @return string
*/
public function getNestSeparator()
{
return $this->nestSeparator;
}
/**
* Set if rendering should occur without sections or not.
*
* If set to true, the INI file is rendered without sections completely
* into the global namespace of the INI file.
*
* @param bool $withoutSections
* @return Ini
*/
public function setRenderWithoutSectionsFlags($withoutSections)
{
$this->renderWithoutSections = (bool) $withoutSections;
return $this;
}
/**
* Return whether the writer should render without sections.
*
* @return bool
*/
public function shouldRenderWithoutSections()
{
return $this->renderWithoutSections;
}
/**
* processConfig(): defined by AbstractWriter.
*
* @param array $config
* @return string
*/
public function processConfig(array $config)
{
$iniString = '';
if ($this->shouldRenderWithoutSections()) {
$iniString .= $this->addBranch($config);
} else {
$config = $this->sortRootElements($config);
foreach ($config as $sectionName => $data) {
if (!is_array($data)) {
$iniString .= $sectionName
. ' = '
. $this->prepareValue($data)
. "\n";
} else {
$iniString .= '[' . $sectionName . ']' . "\n"
. $this->addBranch($data)
. "\n";
}
}
}
return $iniString;
}
/**
* Add a branch to an INI string recursively.
*
* @param array $config
* @param array $parents
* @return string
*/
protected function addBranch(array $config, $parents = [])
{
$iniString = '';
foreach ($config as $key => $value) {
$group = array_merge($parents, [$key]);
if (is_array($value)) {
$iniString .= $this->addBranch($value, $group);
} else {
$iniString .= implode($this->nestSeparator, $group)
. ' = '
. $this->prepareValue($value)
. "\n";
}
}
return $iniString;
}
/**
* Prepare a value for INI.
*
* @param mixed $value
* @return string
* @throws Exception\RuntimeException
*/
protected function prepareValue($value)
{
if (is_int($value) || is_float($value)) {
return $value;
} elseif (is_bool($value)) {
return ($value ? 'true' : 'false');
} elseif (false === strpos($value, '"')) {
return '"' . $value . '"';
} else {
throw new Exception\RuntimeException('Value can not contain double quotes');
}
}
/**
* Root elements that are not assigned to any section needs to be on the
* top of config.
*
* @param array $config
* @return array
*/
protected function sortRootElements(array $config)
{
$sections = [];
// Remove sections from config array.
foreach ($config as $key => $value) {
if (is_array($value)) {
$sections[$key] = $value;
unset($config[$key]);
}
}
// Read sections to the end.
foreach ($sections as $key => $value) {
$config[$key] = $value;
}
return $config;
}
}