<?php

namespace DrupalCodeBuilder\Generator;

use DrupalCodeBuilder\File\CodeFile;

use Ckr\Util\ArrayMerger;

/**

* Generator for ini files used for pre-D8 info files.

*/

class IniFile extends File {

/**

* {@inheritdoc}

*/

public function getFileInfo(): CodeFile {

$ini_data = [];

foreach ($this->containedComponents['element'] as $key => $child_item) {

$child_item_data = $child_item->getContents();

// Use array merge as child items may provide numerically-keyed lists,

// which should not clobber each other.

$ini_data = ArrayMerger::doMerge($ini_data, $child_item_data);

}

$file_info = new CodeFile($this->processInfoLines($ini_data));

return $file_info;

}

/**

* Process a structured array of info files lines to a flat array for merging.

*

* @param $lines

* An array of lines keyed by label.

* Place grouped labels (eg, dependencies) into an array of

* their own, keyed numerically.

* Eg:

* name => module name

* dependencies => array(foo, bar)

*

* @return

* An array of lines for the .info file.

*/

function processInfoLines($lines) {

foreach ($lines as $label => $data) {

if (is_array($data)) {

foreach ($data as $data_piece) {

$merged_lines[] = $label . "[] = $data_piece"; // Urgh terrible variable name!

}

}

elseif ($data == '') {

// An empty data value means a blank line.

$merged_lines[] = '';

}

else {

$merged_lines[] = "$label = $data";

}

}

// Add final empty line so the file has a closing linebreak.

$merged_lines[] = '';

//drush_print_r($merged_lines);

return $merged_lines;

}

}