file_name.xml.php
// * If null, no extra extension is appended.
// */
// private $tplExtension;
/**
* $render_params could be:
* - A string, that will be taken as "file".
* - An array specifying the type of parameter:
* - file: a file that will be required. Can be a relative path (to views folder) or absolute path.
* - contents: string that will be included to the layout, if any.
* - inline: inline code that will be evaluated.
* - lambda: pass an anonyomous function that will be bound to the template and ran.
*/
public function __construct($render_params, array $params = [], $locals = array())
{
if (!is_array($render_params)) {
$render_params = ['file' => $render_params];
}
$this->_type = key($render_params);
switch ($this->_type) {
case 'file':
$this->_templateFile = array_shift($render_params);
break;
/**
* Allows to receive the contents for this template, i.e.
* no processing is needed. It will just be added to the layout, if any.
*/
case 'contents':
$this->_contents = array_shift($render_params);
break;
/**
* Contents will be evalued.
*/
case 'inline':
$this->inline_code = array_shift($render_params);
break;
case 'lambda':
$this->_lambda = array_shift($render_params);
break;
}
$this->_params = $params;
if (isset($params['locals'])) {
$locals = $params['locals'];
unset($params['locals']);
}
$locals && $this->setLocals($locals);
}
public function renderContent()
{
Rails\ActionView\ViewHelpers::load();
$this->_set_initial_ob_level();
if (!$this->_init_rendered) {
ob_start();
$this->_init_rendered = true;
$this->_init_render();
$this->_buffer = ob_get_clean();
if (!$this->_validate_ob_level()) {
$status = ob_get_status();
throw new Exception\OutputLeakedException(
sprintf('Buffer level: %s; File: %s
Topmost buffer\'s contents:
%s',
$status['level'], substr($this->_filename, strlen(Rails::root()) + 1), htmlentities(ob_get_clean()))
);
}
}
return $this;
}
protected function render(array $params)
{
$type = key($params);
switch ($type) {
case 'template':
$file = array_shift($params);
$template = new self(['file' => $file]);
$template->renderContent();
return $template->content();
break;
}
}
public function content($name = null)
{
if (!func_num_args())
return $this->_buffer;
else
return parent::content($name);
}
public function contents()
{
return $this->content();
}
/**
* Finally prints all the view.
*/
public function get_buffer_and_clean()
{
$buffer = $this->_buffer;
$this->_buffer = null;
return $buffer;
}
public function t($name, array $params = [])
{
if (is_array($name)) {
$params = $name;
$name = current($params);
}
if (strpos($name, '.') === 0) {
if (is_int(strpos($this->_templateFilename, Rails::config()->paths->views->toString()))) {
$parts = array();
$path = substr(
$this->_templateFilename, strlen(Rails::config()->paths->views) + 1,
strlen(pathinfo($this->_templateFilename, PATHINFO_BASENAME)) * -1
)
. pathinfo($this->_templateFilename, PATHINFO_FILENAME);
foreach (explode('/', $path) as $part) {
$parts[] = ltrim($part, '_');
}
$name = implode('.', $parts) . $name;
}
}
return parent::t($name, $params);
}
protected function _init_render()
{
$layout_wrap = !empty($this->_params['layout']);
if ($layout_wrap) {
$layout_file = $this->resolve_layout_file($this->_params['layout']);
if (!is_file($layout_file))
throw new Exception\LayoutMissingException(
sprintf("Missing layout '%s' [ file => %s ]",
$this->_params['layout'], $layout_file)
);
ob_start();
}
switch ($this->_type) {
case 'file':
$this->build_template_filename();
if (!is_file($this->_templateFilename)) {
throw new Exception\TemplateMissingException(
sprintf("Missing template file %s", $this->_templateFilename)
);
}
require $this->_templateFilename;
break;
case 'contents':
echo $this->_contents;
break;
case 'inline':
eval('?>' . $this->inline_code . '_lambda;
$this->_lambda = null;
$lambda = $lambda->bindTo($this);
$lambda();
break;
}
if ($layout_wrap) {
$this->_buffer = ob_get_clean();
$layout = new Layout($layout_file, ['contents' => $this->_buffer], $this->locals);
$layout->renderContent();
echo $layout->content();
// require $layout_file;
}
}
private function _set_initial_ob_level()
{
$status = ob_get_status();
$this->_initial_ob_level = $this->_get_ob_level();
}
private function _validate_ob_level()
{
$status = ob_get_status();
return $this->_initial_ob_level == $this->_get_ob_level();
}
protected function resolve_layout_file($layout)
{
if (strpos($layout, '/') === 0 || preg_match('/^[A-Za-z]:(?:\\\|\/)/', $layout))
return $layout;
else {
if (is_int(strpos($layout, '.')))
return Rails::config()->paths->layouts . '/' . $layout;
else
return Rails::config()->paths->layouts . '/' . $layout . '.php';
}
}
private function build_template_filename()
{
$template = $this->_templateFile;
if (strpos($template, '/') === 0 || preg_match('/^[A-Za-z]:(?:\\\|\/)/', $template))
$this->_templateFilename = $template;
else {
if (is_int(strpos($template, '.'))) {
$this->_templateFilename = Rails::config()->paths->views . '/' . $template;
} else {
$this->_templateFilename = Rails::config()->paths->views . '/' . $template . '.php';
}
}
}
private function _get_ob_level()
{
$status = ob_get_status();
return !empty($status['level']) ? $status['level'] : 0;
}
}