<?
class plantilla {
	function plantilla($template_file) {
		$this->tpl_file = '../templates/' . $template_file . '.php';
	}
	function asigna_variables($vars) {
		$this->vars = (empty ( $this->vars )) ? $vars : $this->vars . $vars;
	}
	function muestra() {
		if (! ($this->fd = @fopen ( $this->tpl_file, 'r' ))) {
			sostenedor_error ( 'error al abrir la plantilla ' . $this->tpl_file );
		} else {
			$this->template_file = fread ( $this->fd, filesize ( $this->tpl_file ) );
			fclose ( $this->fd );
			$this->mihtml = $this->template_file;
			$this->mihtml = str_replace ( "'", "\'", $this->mihtml );
			$this->mihtml = preg_replace ( '#\{{=>([a-z0-9\-_]*?)\<=}}#is', "' . $\\1 . '", $this->mihtml );
			reset ( $this->vars );
			while ( list ( $key, $val ) = each ( $this->vars ) ) {
				$$key = $val;
			}
			eval ( "\$this->mihtml = '$this->mihtml';" );
			reset ( $this->vars );
			while ( list ( $key, $val ) = each ( $this->vars ) ) {
				unset ( $$key );
			}
			$this->mihtml = str_replace ( "\'", "'", $this->mihtml );
			return $this->mihtml;
		}
	}
}
function sostenedor_error($error) {
	$miplantilla = new plantilla ( "error" );
	$miplantilla->asigna_variables ( array ('ERROR' => $error ) );
	return $miplantilla->muestra ();
}
?>