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 __construct($template='',$openDelimiter = '{', $closeDelimiter = '}')
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<?php
namespace BOTK\Core;
/*
* A simple template engine inspired by http://github.com/sebastianbergmann/php-text-template
*/
class SimpleTemplateEngine
{
/**
* @var string
*/
protected $template = '';
/**
* @var string
*/
protected $openDelimiter = '{';
/**
* @var string
*/
protected $closeDelimiter = '}';
/**
* @var array
*/
protected $values = array();
/**
* Constructor.
*
* @param string $template
*/
public function __construct($template='',$openDelimiter = '{', $closeDelimiter = '}')
{
$this->setTemplate($template);
$this->openDelimiter = $openDelimiter;
$this->closeDelimiter = $closeDelimiter;
}
/**
* Call Constructor.
*
* @param string $file
*/
public static function factory($template='',$openDelimiter = '{', $closeDelimiter = '}')
{
return new static($template,$openDelimiter, $closeDelimiter);
}
/**
* Sets the template string.
*
* @param string $file
* @throws InvalidArgumentException
*/
public function setTemplate($string)
{
$this->template=$string;
return $this;
}
/**
* Sets the template From file.
*
* @param string $file
* @throws InvalidArgumentException
*/
public function setFromFile($file)
{
$distFile = $file . '.dist';
if (file_exists($file)) {
$this->template = file_get_contents($file);
}
else if (file_exists($distFile)) {
$this->setTemplate(file_get_contents($distFile));
}
else {
throw new InvalidArgumentException(
'Template file could not be loaded.'
);
}
return $this;
}
/**
* Sets one or more template variables.
*
* @param array $values
* @param boolean $merge
*/
public function setVars(array $values, $merge = TRUE)
{
if (!$merge || empty($this->values)) {
$this->values = $values;
} else {
$this->values = array_merge($this->values, $values);
}
return $this;
}
/**
* Add one template variables.
*
* @param tag $values
* @param value $merge
*/
public function addVar($tag,$value)
{
return $this->setVars(array ( $tag => $value));
}
/**
* Renders the template and returns the result.
*
* @return string
*/
public function render()
{
$keys = array();
foreach ($this->values as $key => $value) {
$keys[] = $this->openDelimiter . $key . $this->closeDelimiter;
}
return str_replace($keys, $this->values, $this->template);
}
public function __toString()
{
}
/**
* Renders the template and writes the result to a file.
*
* @param string $target
*/
public function renderToFile($target)
{
$fp = @fopen($target, 'wt');
if ($fp) {
fwrite($fp, $this->render());
fclose($fp);
} else {
$error = error_get_last();
throw new RuntimeException(
sprintf(
'Could not write to %s: %s',
$target,
substr(
$error['message'],
strpos($error['message'], ':') + 2
)
)
);
}
}
}