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Sequenzia/lib/Rails/ActionDispatch/Http/Headers.php
2013-10-02 11:14:53 -05:00

166 lines
4.9 KiB
PHP
Executable File

<?php
namespace Rails\ActionDispatch\Http;
use Rails;
class Headers
{
private $headers = array();
private $status = 200;
private $status_sent = false;
private $_content_type;
// public function status()
// {
// return $this->status;
// }
public function status($status = null)
{
if (null === $status) {
return $this->status;
} else {
if (ctype_digit((string)$status))
$this->status = (int)$status;
elseif (is_string($status))
$this->status = $status;
else
throw new Exception\InvalidArgumentException(
sprintf("%s accepts string, %s passed.", __METHOD__, gettype($value))
);
return $this;
}
}
public function location($url, $status = 302)
{
if (!is_string($url))
throw new Exception\InvalidArgumentException(
sprintf("%s accepts string as first parameter, %s passed.", __METHOD__, gettype($value))
);
elseif (!is_int($status) && !is_string($status))
throw new Exception\InvalidArgumentException(
sprintf("%s accepts string or int as second parameter, %s passed.", __METHOD__, gettype($status))
);
$this->status($status)->set('Location', $url);
$this->status = $status;
return $this;
}
public function set($name, $value = null)
{
return $this->add($name, $value);
}
public function add($name, $value = null)
{
if (!is_string($name))
throw new Exception\InvalidArgumentException(
sprintf("First argument for %s must be a string, %s passed.", __METHOD__, gettype($value))
);
elseif (!is_null($value) && !is_string($value) && !is_int($value))
throw new Exception\InvalidArgumentException(
sprintf("%s accepts null, string or int as second argument, %s passed.", __METHOD__, gettype($value))
);
if (strpos($name, 'Content-type') === 0) {
if ($value !== null) {
$name = $name . $value;
}
$this->contentType($name);
} elseif ($name == 'status') {
$this->status($value);
} elseif (strpos($name, 'HTTP/') === 0) {
$this->status($name);
} else {
if ($value === null) {
if (count(explode(':', $name)) < 2)
throw new Exception\InvalidArgumentException(
sprintf("%s is not a valid header", $name)
);
$this->headers[] = $name;
} else {
$this->headers[$name] = $value;
}
}
return $this;
}
public function send()
{
if ($this->status_sent) {
throw new Exception\LogicException("Headers have already been sent, can't send them twice");
}
if (!$this->_content_type) {
$this->_set_default_content_type();
}
header($this->_content_type);
// vpe($this->_content_type);
foreach ($this->headers as $name => $value) {
if (!is_int($name))
$value = $name . ': ' . $value;
header($value);
}
if (is_int($this->status))
header('HTTP/1.1 ' . $this->status);
else
header($this->status);
$this->status_sent = true;
}
public function contentType($content_type = null)
{
if (null === $content_type) {
return $this->_content_type;
} else {
return $this->setContentType($content_type);
}
}
public function setContentType($content_type)
{
// static $i = 0;
if (!is_string($content_type)) {
throw new Exception\InvalidArgumentException(
sprintf("Content type must be a string, %s passed", gettype($content_type))
);
}
// if($content_type != "text/html; charset=utf-8")
// if ($i)
// vpe($content_type);
switch ($content_type) {
case 'html':
$content_type = 'text/html';
break;
case 'json':
$content_type = 'application/json';
break;
case 'xml':
$content_type = 'application/xml';
break;
}
if (strpos($content_type, 'Content-type:') !== 0)
$content_type = 'Content-type: ' . $content_type;
$this->_content_type = $content_type;
// $i++;
// vpe($content_type);
return $this;
}
private function _set_default_content_type()
{
// $this->set_content_type('text/html; charset='.Rails::application()->config()->encoding);
}
}