2 // src/Rapsys/PackBundle/Twig/PackTokenParser.php
3 namespace Rapsys\PackBundle\Twig
;
5 use Symfony\Component\HttpKernel\Config\FileLocator
;
6 use Symfony\Component\DependencyInjection\ContainerInterface
;
7 use Symfony\Component\Asset\Packages
;
9 class PackTokenParser
extends \Twig_TokenParser
{
15 * @param class $fileLocator The FileLocator instance
16 * @param class $containerInterface The Container Interface instance
17 * @param class $assetsPackages The Assets Packages instance
18 * @param string $prefix The prefix path
19 * @param string $tag The tag name
20 * @param string $output The default output string
21 * @param array $filters The default filters array
23 public function __construct(FileLocator
$fileLocator, ContainerInterface
$containerInterface, Packages
$assetsPackages, $prefix, $tag, $output, $filters) {
24 $this->fileLocator
= $fileLocator;
25 $this->containerInterface
= $containerInterface;
26 $this->assetsPackages
= $assetsPackages;
27 $this->prefix
= $prefix;
29 $this->output
= $output;
30 $this->filters
= $filters;
32 if ($this->containerInterface
->hasParameter('rapsys_pack')) {
33 if ($parameters = $this->containerInterface
->getParameter('rapsys_pack')) {
34 if (isset($parameters['timeout'])) {
35 $timeout = $parameters['timeout'];
36 } elseif (isset($parameters['agent'])) {
37 $userAgent = $parameters['agent'];
38 } elseif (isset($parameters['redirect'])) {
39 $redirect = $parameters['redirect'];
44 //Set http default timeout
45 $this->timeout
= ini_get('default_socket_timeout');
46 //Set http default user agent
47 $this->userAgent
= ini_get('user_agent');
48 //Set http default redirect
51 //Try to load service defaults
52 if ($this->containerInterface
->hasParameter('rapsys_pack')) {
53 if ($parameters = $this->containerInterface
->getParameter('rapsys_pack')) {
54 if (!empty($parameters['timeout'])) {
55 $this->timeout
= $parameters['timeout'];
57 if (!empty($parameters['agent'])) {
58 $this->userAgent
= $parameters['agent'];
60 if (!empty($parameters['redirect'])) {
61 $this->redirect
= $parameters['redirect'];
67 public function getTag() {
71 public function parse(\Twig_Token
$token) {
72 $parser = $this->parser
;
73 $stream = $this->parser
->getStream();
77 $output = $this->output
;
78 $filters = $this->filters
;
82 while (!$stream->test(\Twig_Token
::BLOCK_END_TYPE
)) {
83 if ($stream->test(\Twig_Token
::STRING_TYPE
)) {
84 // '@jquery', 'js/src/core/*', 'js/src/extra.js'
85 $inputs[] = $stream->next()->getValue();
86 } elseif ($stream->test(\Twig_Token
::NAME_TYPE
, 'filter')) {
89 $stream->expect(\Twig_Token
::OPERATOR_TYPE
, '=');
90 $filters = array_merge($filters, array_filter(array_map('trim', explode(',', $stream->expect(\Twig_Token
::STRING_TYPE
)->getValue()))));
91 } elseif ($stream->test(\Twig_Token
::NAME_TYPE
, 'output')) {
92 // output='js/packed/*.js' OR output='js/core.js'
94 $stream->expect(\Twig_Token
::OPERATOR_TYPE
, '=');
95 $output = $stream->expect(\Twig_Token
::STRING_TYPE
)->getValue();
96 } elseif ($stream->test(\Twig_Token
::NAME_TYPE
, 'name')) {
99 $stream->expect(\Twig_Token
::OPERATOR_TYPE
, '=');
100 $name = $stream->expect(\Twig_Token
::STRING_TYPE
)->getValue();
102 $token = $stream->getCurrent();
103 throw new \
Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s"', \Twig_Token
::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $stream->getSourceContext());
107 $stream->expect(\Twig_Token
::BLOCK_END_TYPE
);
109 $body = $this->parser
->subparse(array($this, 'testEndTag'), true);
111 $stream->expect(\Twig_Token
::BLOCK_END_TYPE
);
113 //Replace star with sha1
114 if (($pos = strpos($output, '*')) !== false) {
115 #XXX: assetic code: substr(sha1(serialize($inputs).serialize($filters).serialize($options)), 0, 7)
116 $output = substr($output, 0, $pos).sha1(serialize($inputs).serialize($filters)).substr($output, $pos +
1);
120 for($k = 0; $k < count($inputs); $k++
) {
121 //Deal with generic url
122 if (strpos($inputs[$k], '//') === 0) {
124 $scheme = 'https://';
125 //Try to load service scheme
126 if ($this->containerInterface
->hasParameter('rapsys_pack')) {
127 if ($parameters = $this->containerInterface
->getParameter('rapsys_pack')) {
128 if (isset($parameters['scheme'])) {
129 $scheme = $parameters['scheme'];
134 $inputs[$k] = $scheme.substr($inputs[$k], 2);
135 //Deal with non url path
136 } elseif (strpos($inputs[$k], '://') === false) {
137 //Check if we have a bundle path
138 if ($inputs[$k][0] == '@') {
139 //Check that we don't have only a path
140 if (($pos = strpos($inputs[$k], '/')) === false) {
141 #TODO: @jquery support (if we really want it)
142 #header('Content-Type: text/plain');
144 #if ($inputs[0] == '@jquery') {
147 throw new \
Twig_Error_Syntax(sprintf('Invalid input path "%s"', $inputs[$k]), $token->getLine(), $stream->getSourceContext());
149 //Resolve bundle prefix
150 $inputs[$k] = $this->fileLocator
->locate(substr($inputs[$k], 0, $pos)).substr($inputs[$k], $pos +
1);
153 if (strpos($inputs[$k], '*') !== false || (($a = strpos($inputs[$k], '{')) !== false && ($b = strpos($inputs[$k], ',', $a)) !== false && strpos($inputs[$k], '}', $b) !== false)) {
155 $replacement = glob($inputs[$k], GLOB_NOSORT
|GLOB_BRACE
);
156 //Check that these are working files
157 foreach($replacement as $input) {
158 if (!is_file($input)) {
159 throw new \
Twig_Error_Syntax(sprintf('Input path "%s" from "%s" is not a file', $input, $inputs[$k]), $token->getLine(), $stream->getSourceContext());
162 //Replace with glob path
163 array_splice($inputs, $k, 1, $replacement);
165 $k +
= count($replacement) - 1;
166 //Check that it's a file
167 } elseif (!is_file($inputs[$k])) {
168 throw new \
Twig_Error_Syntax(sprintf('Input path "%s" is not a file', $inputs[$k]), $token->getLine(), $stream->getSourceContext());
174 $ctx = stream_context_create(
177 'timeout' => $this->timeout
,
178 'user_agent' => $this->userAgent
,
179 'redirect' => $this->redirect
,
185 if (!empty($inputs)) {
186 //Retrieve files content
187 foreach($inputs as $input) {
188 //Try to retrieve content
189 if (($data = file_get_contents($input, false, $ctx)) === false) {
190 throw new \
Twig_Error_Syntax(sprintf('Unable to retrieve input path "%s"', $input), $token->getLine(), $stream->getSourceContext());
196 #TODO: trigger error about empty inputs ?
200 if (!empty($filters)) {
202 foreach($filters as $filter) {
204 #$filter = __NAMESPACE__.'\\Filter\\'.$filter;
206 $tool = new $filter($this->containerInterface
, $stream->getSourceContext(), $token->getLine());
208 $content = $tool->process($content);
213 #TODO: trigger error about empty filters ?
216 //Create output dir on demand
217 if (!is_dir($parent = $dir = dirname($this->prefix
.$output))) {
219 //XXX: set as 0777, symfony umask (0022) will reduce rights (0755)
220 mkdir($dir, 0777, true);
221 } catch (\Exception
$e) {
222 throw new \
Twig_Error_Syntax(sprintf('Unable to create directory: %s', $dir), $token->getLine(), $stream->getSourceContext());
227 //XXX: atomic rotation is required to avoid partial content in reverse cache
228 if (file_put_contents($this->prefix
.$output.'.new', $content) === false) {
229 throw new \
Twig_Error_Syntax(sprintf('Unable to write to: %s', $prefix.$output.'.new'), $token->getLine(), $stream->getSourceContext());
233 if (is_file($this->prefix
.$output) && unlink($this->prefix
.$output) === false) {
234 throw new \
Twig_Error_Syntax(sprintf('Unable to unlink: %s', $prefix.$output), $token->getLine(), $stream->getSourceContext());
238 if (rename($this->prefix
.$output.'.new', $this->prefix
.$output) === false) {
239 throw new \
Twig_Error_Syntax(sprintf('Unable to rename: %s to %s', $prefix.$output.'.new', $prefix.$output), $token->getLine(), $stream->getSourceContext());
243 //XXX: was next line to support module specific asset configuration
244 #if (($output = $this->assetsPackages->getUrl($output, 'rapsys_pack')) === false) {
245 if (($output = $this->assetsPackages
->getUrl($output)) === false) {
246 throw new \
Twig_Error_Syntax(sprintf('Unable to get url for asset: %s with package %s', $output, 'rapsys_pack'), $token->getLine(), $stream->getSourceContext());
250 return new PackNode(array('value' => $body), array('inputs' => $inputs, 'filters' => $filters, 'name' => $name, 'output' => $output), $token->getLine(), $this->getTag());
253 public function testEndTag(\Twig_Token
$token) {
254 return $token->test(array('end'.$this->getTag()));