<?php
-// src/Rapsys/PackBundle/Twig/PackTokenParser.php
+
namespace Rapsys\PackBundle\Twig;
use Symfony\Component\HttpKernel\Config\FileLocator;
-use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\Asset\PackageInterface;
+use Twig\Error\Error;
+use Twig\Node\Expression\AssignNameExpression;
+use Twig\Node\Node;
+use Twig\Node\SetNode;
+use Twig\Node\TextNode;
+use Twig\Token;
+use Twig\TokenParser\AbstractTokenParser;
-class PackTokenParser extends \Twig_TokenParser {
+class PackTokenParser extends AbstractTokenParser {
+ //The tag name
private $tag;
/**
- * Constructor.
+ * Constructor
*
- * @param class $fileLocator The FileLocator instance
- * @param class $assetsPackages The Assets Packages instance
- * @param string $prefix The prefix path
- * @param string $tag The tag name
- * @param string $output The default output string
- * @param string $tool The tool path
+ * @param class $locator The FileLocator instance
+ * @param class $package The Assets Package instance
+ * @param string $config The config path
+ * @param string $tag The tag name
+ * @param string $output The default output string
+ * @param array $filters The default filters array
*/
- public function __construct(FileLocator $fileLocator, ContainerInterface $containerInterface, $prefix, $tag, $output, $tool = null) {
- $this->fileLocator = $fileLocator;
- $this->containerInterface = $containerInterface;
- $this->prefix = $prefix;
- $this->tag = $tag;
- $this->output = $output;
- $this->tool = $tool;
+ public function __construct(FileLocator $locator, PackageInterface $package, $config, $tag, $output, $filters) {
+ //Save locator
+ $this->locator = $locator;
+
+ //Save assets package
+ $this->package = $package;
+
+ //Set name
+ $this->name = $config['name'];
+
+ //Set scheme
+ $this->scheme = $config['scheme'];
+
+ //Set timeout
+ $this->timeout = $config['timeout'];
+
+ //Set agent
+ $this->agent = $config['agent'];
+
+ //Set redirect
+ $this->redirect = $config['redirect'];
+
+ //Set tag
+ $this->tag = $tag;
+
+ //Set output
+ $this->output = $output;
+
+ //Set filters
+ $this->filters = $filters;
}
+ /**
+ * Get the tag name
+ */
public function getTag() {
return $this->tag;
}
- public function parse(\Twig_Token $token) {
+ /**
+ * Parse the token
+ *
+ * @param class $token The \Twig\Token instance
+ *
+ * @return class The PackNode
+ *
+ * @todo see if we can't add a debug mode behaviour
+ *
+ * If twig.debug or env=dev (or rapsys_pack.config.debug?) is set, it should be possible to loop on each input
+ * and process the captured body without applying requested filter.
+ *
+ * @todo list:
+ * - detect debug mode
+ * - retrieve fixe link from input s%@(Name)Bundle/Resources/public(/somewhere/file.ext)%/bundles/\L\1\E\2%
+ * - for each inputs:
+ * - generate a set asset_url=x
+ * - generate a body
+ */
+ public function parse(Token $token) {
$parser = $this->parser;
$stream = $this->parser->getStream();
- $inputs = array();
- $filters = array();
- $name = 'asset_url';
+ $inputs = [];
+ $name = $this->name;
$output = $this->output;
+ $filters = $this->filters;
$content = '';
- while (!$stream->test(\Twig_Token::BLOCK_END_TYPE)) {
- if ($stream->test(\Twig_Token::STRING_TYPE)) {
- // '@jquery', 'js/src/core/*', 'js/src/extra.js'
+ //Process the token block until end
+ while (!$stream->test(Token::BLOCK_END_TYPE)) {
+ //The files to process
+ if ($stream->test(Token::STRING_TYPE)) {
+ //'somewhere/somefile.(css,img,js)' 'somewhere/*' '@jquery'
$inputs[] = $stream->next()->getValue();
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, 'filter')) {
- // filter='yui_js'
+ //The filters token
+ } elseif ($stream->test(Token::NAME_TYPE, 'filters')) {
+ //filter='yui_js'
$stream->next();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $filters = array_merge($filters, array_filter(array_map('trim', explode(',', $stream->expect(\Twig_Token::STRING_TYPE)->getValue()))));
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, 'output')) {
- // output='js/packed/*.js' OR output='js/core.js'
+ $stream->expect(Token::OPERATOR_TYPE, '=');
+ $filters = array_merge($filters, array_filter(array_map('trim', explode(',', $stream->expect(Token::STRING_TYPE)->getValue()))));
+ //The output token
+ } elseif ($stream->test(Token::NAME_TYPE, 'output')) {
+ //output='js/packed/*.js' OR output='js/core.js'
$stream->next();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $output = $stream->expect(\Twig_Token::STRING_TYPE)->getValue();
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, 'name')) {
- // name='core_js'
+ $stream->expect(Token::OPERATOR_TYPE, '=');
+ $output = $stream->expect(Token::STRING_TYPE)->getValue();
+ //The name token
+ } elseif ($stream->test(Token::NAME_TYPE, 'name')) {
+ //name='core_js'
$stream->next();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $name = $stream->expect(\Twig_Token::STRING_TYPE)->getValue();
+ $stream->expect(Token::OPERATOR_TYPE, '=');
+ $name = $stream->expect(Token::STRING_TYPE)->getValue();
+ //Unexpected token
} else {
$token = $stream->getCurrent();
- throw new \Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s"', \Twig_Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $stream->getFilename());
+ throw new Error(sprintf('Unexpected token "%s" of value "%s"', Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $stream->getSourceContext());
}
}
- $stream->expect(\Twig_Token::BLOCK_END_TYPE);
+ //Process end block
+ $stream->expect(Token::BLOCK_END_TYPE);
+
+ //Process body
+ $body = $this->parser->subparse([$this, 'testEndTag'], true);
- $body = $this->parser->subparse(array($this, 'testEndTag'), true);
+ //Process end block
+ $stream->expect(Token::BLOCK_END_TYPE);
- $stream->expect(\Twig_Token::BLOCK_END_TYPE);
+ //TODO: debug mode should be inserted here before the output variable is rewritten
//Replace star with sha1
if (($pos = strpos($output, '*')) !== false) {
- #XXX: assetic code: substr(sha1(serialize($inputs).serialize($filters).serialize($options)), 0, 7)
+ //XXX: assetic use substr(sha1(serialize($inputs).serialize($filters).serialize($options)), 0, 7)
$output = substr($output, 0, $pos).sha1(serialize($inputs).serialize($filters)).substr($output, $pos + 1);
}
- //Deal with inputs
- //TODO: support @jquery ? or is it supported already with fileLocator->locate ?
+ //Process inputs
for($k = 0; $k < count($inputs); $k++) {
//Deal with generic url
if (strpos($inputs[$k], '//') === 0) {
- //TODO: set this as a parameter (scheme)
- #if ($containerInterface->hasParameter('rapsys_pack.default_scheme')) {
- # if ($parameters = $containerInterface->getParameter('rapsys_pack.default_scheme')) {
- $inputs[$k] = 'https:'.$inputs[$k];
+ //Fix url
+ $inputs[$k] = $this->scheme.substr($inputs[$k], 2);
//Deal with non url path
} elseif (strpos($inputs[$k], '://') === false) {
//Check if we have a bundle path
if ($inputs[$k][0] == '@') {
+ //Check that we have a / separator between bundle name and path
if (($pos = strpos($inputs[$k], '/')) === false) {
- throw new \Twig_Error_Syntax(sprintf('Invalid input path "%s"', $inputs[$k]), $token->getLine(), $stream->getFilename());
+ //TODO: add a @jquery magic feature ?
+ /*
+ header('Content-Type: text/plain');
+ var_dump($inputs);
+ if ($inputs[0] == '@jquery') {
+ exit;
+ }
+ */
+ throw new Error(sprintf('Invalid input path "%s"', $inputs[$k]), $token->getLine(), $stream->getSourceContext());
}
- //Extract prefix
- #$inputs[$k] = $this->kernel->locateResource(substr($inputs[$k], 0, $pos)).substr($inputs[$k], $pos + 1);
- $inputs[$k] = $this->fileLocator->locate(substr($inputs[$k], 0, $pos)).substr($inputs[$k], $pos + 1);
+ //Resolve bundle prefix
+ $inputs[$k] = $this->locator->locate(substr($inputs[$k], 0, $pos)).substr($inputs[$k], $pos + 1);
}
//Deal with globs
if (strpos($inputs[$k], '*') !== false || (($a = strpos($inputs[$k], '{')) !== false && ($b = strpos($inputs[$k], ',', $a)) !== false && strpos($inputs[$k], '}', $b) !== false)) {
$replacement = glob($inputs[$k], GLOB_NOSORT|GLOB_BRACE);
//Check that these are working files
foreach($replacement as $input) {
+ //Check that it's a file
if (!is_file($input)) {
- throw new \Twig_Error_Syntax(sprintf('Input path "%s" from "%s" is not a file', $input, $inputs[$k]), $token->getLine(), $stream->getFilename());
+ throw new Error(sprintf('Input path "%s" from "%s" is not a file', $input, $inputs[$k]), $token->getLine(), $stream->getSourceContext());
}
}
//Replace with glob path
$k += count($replacement) - 1;
//Check that it's a file
} elseif (!is_file($inputs[$k])) {
- throw new \Twig_Error_Syntax(sprintf('Input path "%s" is not a file', $inputs[$k]), $token->getLine(), $stream->getFilename());
+ throw new Error(sprintf('Input path "%s" is not a file', $inputs[$k]), $token->getLine(), $stream->getSourceContext());
}
}
}
- //Retrieve files content
- foreach($inputs as $input) {
- //Set timeout
- $ctx = stream_context_create(
- array(
- 'http' => array(
- //TODO: set this as a parameter (scheme)
- #if ($containerInterface->hasParameter('rapsys_pack.input_timeout')) {
- # if ($parameters = $containerInterface->getParameter('rapsys_pack.input_timeout')) {
- 'timeout' => 5
- )
- )
- );
- //Try to retrieve content
- if (($data = file_get_contents($input, false, $ctx)) === false) {
- throw new \Twig_Error_Syntax(sprintf('Unable to retrieve input path "%s"', $input), $token->getLine(), $stream->getFilename());
+ //Init context
+ $ctx = stream_context_create(
+ [
+ 'http' => [
+ 'timeout' => $this->timeout,
+ 'user_agent' => $this->agent,
+ 'redirect' => $this->redirect,
+ ]
+ ]
+ );
+
+ //Check inputs
+ if (!empty($inputs)) {
+ //Retrieve files content
+ foreach($inputs as $input) {
+ //Try to retrieve content
+ if (($data = file_get_contents($input, false, $ctx)) === false) {
+ throw new Error(sprintf('Unable to retrieve input path "%s"', $input), $token->getLine(), $stream->getSourceContext());
+ }
+ //Append content
+ $content .= $data;
}
- //Append content
- $content .= $data;
+ } else {
+ //Trigger error about empty inputs ?
+ //XXX: There may be a legitimate case where we want an empty file or an error, feel free to contact the author in such case
+ #throw new Error('Empty inputs token', $token->getLine(), $stream->getSourceContext());
+
+ //Send an empty node without inputs
+ return new Node();
}
- //Use tool
- if (!empty($this->tool) && is_executable($this->tool)) {
- $descriptorSpec = array(
- 0 => array('pipe', 'r'),
- 1 => array('pipe', 'w'),
- 2 => array('pipe', 'w')
- );
- if (is_resource($proc = proc_open($this->tool, $descriptorSpec, $pipes))) {
- //Set stderr as non blocking
- stream_set_blocking($pipes[2], 0);
- //Send content to stdin
- fwrite($pipes[0], $content);
- //Close stdin
- fclose($pipes[0]);
- //Read content from stdout
- if ($stdout = stream_get_contents($pipes[1])) {
- $content = $stdout;
- }
- //Close stdout
- fclose($pipes[1]);
- //Read content from stderr
- if ($stderr = stream_get_contents($pipes[2])) {
- throw new \Twig_Error_Syntax(sprintf('Got unexpected strerr for %s: %s', $this->tool, $stderr), $token->getLine(), $stream->getFilename());
- }
- //Close stderr
- fclose($pipes[2]);
- //Close process
- if ($ret = proc_close($proc)) {
- throw new \Twig_Error_Syntax(sprintf('Got unexpected non zero return code %s: %d', $this->tool, $ret), $token->getLine(), $stream->getFilename());
+ //Check filters
+ if (!empty($filters)) {
+ //Apply all filters
+ foreach($filters as $filter) {
+ //Init args
+ $args = [$stream->getSourceContext(), $token->getLine()];
+ //Check if args is available
+ if (!empty($filter['args'])) {
+ //Append args if provided
+ $args += $filter['args'];
}
+ //Init reflection
+ $reflection = new \ReflectionClass($filter['class']);
+ //Set instance args
+ $tool = $reflection->newInstanceArgs($args);
+ //Process content
+ $content = $tool->process($content);
+ //Remove object
+ unset($tool, $reflection);
}
+ } else {
+ //Trigger error about empty filters ?
+ //XXX: There may be a legitimate case where we want only a merged file or an error, feel free to contact the author in such case
+ #throw new Error('Empty filters token', $token->getLine(), $stream->getSourceContext());
+ }
+
+ //Retrieve asset uri
+ //XXX: this path is the merge of services.assets.path_package.arguments[0] and rapsys_pack.output.(css,img,js)
+ if (($outputUrl = $this->package->getUrl($output)) === false) {
+ throw new Error(sprintf('Unable to get url for asset: %s', $output), $token->getLine(), $stream->getSourceContext());
}
- //Create output dir on demand
- if (!is_dir($parent = $dir = dirname($this->prefix.$output))) {
- //XXX: set as 0777, symfony umask (0022) will reduce rights (0755)
- mkdir($dir, 0777, true);
+ //Check if we have a bundle path
+ if ($output[0] == '@') {
+ //Check that we have a / separator between bundle name and path
+ if (($pos = strpos($output, '/')) === false) {
+ throw new Error(sprintf('Invalid output path "%s"', $output), $token->getLine(), $stream->getSourceContext());
+ }
+ //Resolve bundle prefix
+ $output = $this->locator->locate(substr($output, 0, $pos)).substr($output, $pos + 1);
+ }
+
+ //Create output dir if not present
+ if (!is_dir($dir = dirname($output))) {
+ try {
+ //XXX: set as 0777, symfony umask (0022) will reduce rights (0755)
+ if (mkdir($dir, 0777, true) === false) {
+ throw new \Exception();
+ }
+ } catch (\Exception $e) {
+ throw new Error(sprintf('Output directory "%s" do not exists and unable to create it', $dir), $token->getLine(), $stream->getSourceContext(), $e);
+ }
}
//Send file content
- //TODO: see if atomic rotation is really necessary ?
- //XXX: version management is done via rapsys_pack configuration atomic should be useless
- //TODO: implement asset versionning or re-use internal functions
- if (file_put_contents($this->prefix.$output.'.new', $content) === false) {
- throw new \Twig_Error_Syntax(sprintf('Unable to write to: %s', $prefix.$output.'.new'), $token->getLine(), $stream->getFilename());
+ //XXX: to avoid partial content in reverse cache we use atomic rotation write, unlink and move
+ try {
+ if (file_put_contents($output.'.new', $content) === false) {
+ throw new \Exception();
+ }
+ } catch(\Exception $e) {
+ throw new Error(sprintf('Unable to write to: %s', $output.'.new'), $token->getLine(), $stream->getSourceContext(), $e);
}
//Remove old file
- if (is_file($this->prefix.$output) && unlink($this->prefix.$output) === false) {
- throw new \Twig_Error_Syntax(sprintf('Unable to unlink: %s', $prefix.$output), $token->getLine(), $stream->getFilename());
+ if (is_file($output)) {
+ try {
+ if (unlink($output) === false) {
+ throw new \Exception();
+ }
+ } catch (\Exception $e) {
+ throw new Error(sprintf('Unable to unlink: %s', $output), $token->getLine(), $stream->getSourceContext(), $e);
+ }
}
//Rename it
- if (rename($this->prefix.$output.'.new', $this->prefix.$output) === false) {
- throw new \Twig_Error_Syntax(sprintf('Unable to rename: %s to %s', $prefix.$output.'.new', $prefix.$output), $token->getLine(), $stream->getFilename());
+ try {
+ if (rename($output.'.new', $output) === false) {
+ throw new \Exception();
+ }
+ } catch (\Exception $e) {
+ throw new Error(sprintf('Unable to rename: %s to %s', $output.'.new', $output), $token->getLine(), $stream->getSourceContext(), $e);
}
- //Retrieve asset uri
- if (($output = $this->containerInterface->get('assets.packages')->getUrl($output, 'rapsys_pack')) === false) {
- throw new \Twig_Error_Syntax(sprintf('Unable to get url for asset: %s with package %s', $output, 'rapsys_pack'), $token->getLine(), $stream->getFilename());
- }
+ //Set name in context key
+ $ref = new AssignNameExpression($name, $token->getLine());
- //Send pack node
- return new PackNode(array('value' => $body), array('inputs' => $inputs, 'filters' => $filters, 'name' => $name, 'output' => $output), $token->getLine(), $this->getTag());
+ //Set output in context value
+ $value = new TextNode($outputUrl, $token->getLine());
+
+ //Send body with context set
+ return new Node([
+ //This define name in twig template by prepending $context['<name>'] = '<output>';
+ new SetNode(true, $ref, $value, $token->getLine(), $this->getTag()),
+ //The tag captured body
+ $body
+ ]);
}
- public function testEndTag(\Twig_Token $token) {
- return $token->test(array('end'.$this->getTag()));
+ /**
+ * Test for tag end
+ *
+ * @param class $token The \Twig\Token instance
+ *
+ * @return bool
+ */
+ public function testEndTag(Token $token) {
+ return $token->test(['end'.$this->getTag()]);
}
}
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