With empty input return an empty node to skip the full block

[packbundle] / Twig / PackTokenParser.php

diff --git a/Twig/PackTokenParser.php b/Twig/PackTokenParser.php
index 3c54a141f9c15bc044f89842ce300d530b48d542..d301a89192134e00027627c335c157ac5dd0c2a4 100644 (file)
--- a/Twig/PackTokenParser.php
+++ b/Twig/PackTokenParser.php
@@ -4,8 +4,7 @@ namespace Rapsys\PackBundle\Twig;
 
 use Symfony\Component\HttpKernel\Config\FileLocator;
 use Symfony\Component\Asset\PackageInterface;
-use Twig\Error\RuntimeError;
-use Twig\Error\SyntaxError;
+use Twig\Error\Error;
 use Twig\Node\Expression\AssignNameExpression;
 use Twig\Node\Node;
 use Twig\Node\SetNode;
@@ -123,7 +122,7 @@ class PackTokenParser extends AbstractTokenParser {
                        //Unexpected token
                        } else {
                                $token = $stream->getCurrent();
-                               throw new SyntaxError(sprintf('Unexpected token "%s" of value "%s"', Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $stream->getSourceContext());
+                               throw new Error(sprintf('Unexpected token "%s" of value "%s"', Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $stream->getSourceContext());
                        }
                }
 
@@ -164,7 +163,7 @@ class PackTokenParser extends AbstractTokenParser {
                                                        exit;
                                                }
                                                */
-                                               throw new RuntimeError(sprintf('Invalid input path "%s"', $inputs[$k]), $token->getLine(), $stream->getSourceContext());
+                                               throw new Error(sprintf('Invalid input path "%s"', $inputs[$k]), $token->getLine(), $stream->getSourceContext());
                                        }
                                        //Resolve bundle prefix
                                        $inputs[$k] = $this->locator->locate(substr($inputs[$k], 0, $pos)).substr($inputs[$k], $pos + 1);
@@ -177,7 +176,7 @@ class PackTokenParser extends AbstractTokenParser {
                                        foreach($replacement as $input) {
                                                //Check that it's a file
                                                if (!is_file($input)) {
-                                                       throw new RuntimeError(sprintf('Input path "%s" from "%s" is not a file', $input, $inputs[$k]), $token->getLine(), $stream->getSourceContext());
+                                                       throw new Error(sprintf('Input path "%s" from "%s" is not a file', $input, $inputs[$k]), $token->getLine(), $stream->getSourceContext());
                                                }
                                        }
                                        //Replace with glob path
@@ -186,7 +185,7 @@ class PackTokenParser extends AbstractTokenParser {
                                        $k += count($replacement) - 1;
                                //Check that it's a file
                                } elseif (!is_file($inputs[$k])) {
-                                       throw new RuntimeError(sprintf('Input path "%s" is not a file', $inputs[$k]), $token->getLine(), $stream->getSourceContext());
+                                       throw new Error(sprintf('Input path "%s" is not a file', $inputs[$k]), $token->getLine(), $stream->getSourceContext());
                                }
                        }
                }
@@ -208,15 +207,18 @@ class PackTokenParser extends AbstractTokenParser {
                        foreach($inputs as $input) {
                                //Try to retrieve content
                                if (($data = file_get_contents($input, false, $ctx)) === false) {
-                                       throw new RuntimeError(sprintf('Unable to retrieve input path "%s"', $input), $token->getLine(), $stream->getSourceContext());
+                                       throw new Error(sprintf('Unable to retrieve input path "%s"', $input), $token->getLine(), $stream->getSourceContext());
                                }
                                //Append content
                                $content .= $data;
                        }
                } else {
-                       //Trigger error about empty inputs
-                       //XXX: There may be a legitimate case where inputs is empty, if so please contact the author
-                       throw new RuntimeError('Empty inputs token', $token->getLine(), $stream->getSourceContext());
+                       //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();
                }
 
                //Check filters
@@ -240,22 +242,22 @@ class PackTokenParser extends AbstractTokenParser {
                                unset($tool, $reflection);
                        }
                } else {
-                       //Trigger error about empty filters
-                       //XXX: There may be a legitimate case where filters is empty, if so please contact the author
-                       throw new RuntimeError('Empty filters token', $token->getLine(), $stream->getSourceContext());
+                       //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 RuntimeError(sprintf('Unable to get url for asset: %s', $output), $token->getLine(), $stream->getSourceContext());
+                       throw new Error(sprintf('Unable to get url for asset: %s', $output), $token->getLine(), $stream->getSourceContext());
                }
 
                //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 RuntimeError(sprintf('Invalid output path "%s"', $output), $token->getLine(), $stream->getSourceContext());
+                               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, $pos + 1);
@@ -265,9 +267,11 @@ class PackTokenParser extends AbstractTokenParser {
                if (!is_dir($dir = dirname($output))) {
                        try {
                                //XXX: set as 0777, symfony umask (0022) will reduce rights (0755)
-                               mkdir($dir, 0777, true);
+                               if (mkdir($dir, 0777, true) === false) {
+                                       throw new \Exception();
+                               }
                        } catch (\Exception $e) {
-                               throw new RuntimeError(sprintf('Output directory "%s" do not exists and unable to create it', $dir), $token->getLine(), $stream->getSourceContext());
+                               throw new Error(sprintf('Output directory "%s" do not exists and unable to create it', $dir), $token->getLine(), $stream->getSourceContext(), $e);
                        }
                }
 
@@ -278,7 +282,7 @@ class PackTokenParser extends AbstractTokenParser {
                                throw new \Exception();
                        }
                } catch(\Exception $e) {
-                       throw new RuntimeError(sprintf('Unable to write to: %s', $output.'.new'), $token->getLine(), $stream->getSourceContext());
+                       throw new Error(sprintf('Unable to write to: %s', $output.'.new'), $token->getLine(), $stream->getSourceContext(), $e);
                }
 
                //Remove old file
@@ -288,17 +292,17 @@ class PackTokenParser extends AbstractTokenParser {
                                        throw new \Exception();
                                }
                        } catch (\Exception $e) {
-                               throw new RuntimeError(sprintf('Unable to unlink: %s', $output), $token->getLine(), $stream->getSourceContext());
+                               throw new Error(sprintf('Unable to unlink: %s', $output), $token->getLine(), $stream->getSourceContext(), $e);
                        }
                }
 
                //Rename it
                try {
                        if (rename($output.'.new', $output) === false) {
-                                       throw new \Exception();
+                               throw new \Exception();
                        }
                } catch (\Exception $e) {
-                       throw new RuntimeError(sprintf('Unable to rename: %s to %s', $output.'.new', $output), $token->getLine(), $stream->getSourceContext());
+                       throw new Error(sprintf('Unable to rename: %s to %s', $output.'.new', $output), $token->getLine(), $stream->getSourceContext(), $e);
                }
 
                //Set name in context key