/**
* Does a command exist?
*
* @param string $command Command line
*
* @return boolean
*/
public static function is($command)
{
$result = trim(shell_exec("which {$command}"));
return !TextHelper::isEmpty($result);
}
* @category XML
* @package XmlQuery
* @author Gonzalo Chumillas <*****@*****.**>
* @license https://raw.github.com/soloproyectos/core/master/LICENSE BSD 2-Clause License
* @link https://github.com/soloproyectos/core
*/
use com\soloproyectos\common\sys\file\SysFileHelper;
use com\soloproyectos\common\text\TextHelper;
require_once __DIR__ . "/sys/file/sys-file-helper.php";
require_once __DIR__ . "/text/text-helper.php";
spl_autoload_register(function ($classname) {
if (preg_match_all("/[A-Z][a-z,0-9]*/", $classname, $matches)) {
// script filename
$dir = __DIR__;
$name = "";
$items = $matches[0];
foreach ($items as $item) {
$item = strtolower($item);
$d = SysFileHelper::concat($dir, $item);
if (is_dir($d)) {
$dir = $d;
}
$name = TextHelper::concat("-", $name, $item);
}
$filename = SysFileHelper::concat($dir, "{$name}.php");
if (!is_file($filename)) {
throw new Exception("Script not found: {$filename}");
}
include_once $filename;
}
});
/**
* Sets inner HTML code.
*
* @param string $value Inner HTML code
*
* @return DomNode
*/
private function _setInnerHtml($value)
{
$this->clear();
if (!TextHelper::isEmpty($value)) {
foreach ($this->elements() as $element) {
$doc = $element->ownerDocument;
$fragment = $doc->createDocumentFragment();
@$fragment->appendXML($value);
$node = @$element->appendChild($fragment);
if ($node === false) {
throw new DomNodeException("Invalid XML fragment");
}
}
}
return $this;
}
/**
* Gets the string representation of the instance.
*
* @return string
*/
public function toString()
{
$ret = $this->_name ? "-" . SysCmdHelper::escape($this->_name) : null;
if (!TextHelper::isEmpty($this->_value)) {
$value = $this->_value;
if (!$this->_isRaw) {
$value = SysCmdHelper::escape($value);
}
$ret = TextHelper::concat(" ", $ret, $value);
}
return $ret;
}
/**
* Gets an available name under a given directory.
*
* This function returns an available name under a given directory. For
* example, if there's a file named 'test.txt' under de directory 'dir1', the
* following command returns 'test_1.txt':
*
* ```php
* // prints 'test_1.txt' if the name 'test.txt' is taken:
* echo SysFile::getAvailName('dir1', 'test1.txt');
* ```
*
* @param string $dir Directory
* @param string $refname Filename used as reference (default is "")
* @param string $refext Extension used as reference (default is "")
*
* @return string
*/
public static function getAvailName($dir, $refname = "", $refext = "")
{
// fixes arguments
$dir = trim($dir);
$refname = trim($refname);
$refext = ltrim(trim($refext), ".");
if (!is_dir($dir)) {
throw new SysException("Directory not found: {$dir}");
}
// default refname
if (TextHelper::isEmpty($refname)) {
$refname = "file";
}
// gets name and extension
$refname = basename($refname);
$pos = strrpos($refname, ".");
$name = $refname;
$ext = $refext;
if ($pos !== false) {
$name = substr($refname, 0, $pos);
if (TextHelper::isEmpty($refext)) {
$ext = substr($refname, $pos + 1);
}
}
// gets an available name
for ($i = 0; $i < 100; $i++) {
$basename = $i > 0 ? TextHelper::concat(".", $name . "_" . $i, $ext) : TextHelper::concat(".", $name, $ext);
$filename = SysFileHelper::concat($dir, $basename);
if (!is_file($filename)) {
break;
}
}
return $filename;
}
/**
* Gets a string representation of the node.
*
* @return string
*/
public function __toString()
{
$ret = "";
foreach ($this->elements as $element) {
$ret = TextHelper::concat("\n", $ret, DomHelper::dom2str($element));
}
return $ret;
}
