If installed, prefer the ueberdosis/pandoc package over ryakad/pandoc…

…-php
extracts · Jul 13, 2023 · 5490164 · 5490164
1 parent d873dcd
commit 5490164
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Showing 2 changed files with 35 additions and 8 deletions.
diff --git a/composer.json b/composer.json
@@ -26,7 +26,8 @@
         "ryakad/pandoc-php": "^1.0"
     },
     "suggest": {
-        "ryakad/pandoc-php": "Needed to support LaTeX decoder in class RenanBr\\BibTexParser\\Processor\\LatexToUnicodeProcessor"
+        "ryakad/pandoc-php": "Needed to support LaTeX decoder in class RenanBr\\BibTexParser\\Processor\\LatexToUnicodeProcessor",
+        "ueberdosis/pandoc": "Alternate Pandoc PHP package which (if available) will be preferred over ryakad/pandoc-php"
     },
     "config": {
         "sort-packages": true

diff --git a/src/Processor/LatexToUnicodeProcessor.php b/src/Processor/LatexToUnicodeProcessor.php
@@ -11,8 +11,9 @@
 
 namespace RenanBr\BibTexParser\Processor;
 
+use Composer\InstalledVersions;
+use Exception;
 use Pandoc\Pandoc;
-use Pandoc\PandocException;
 use RenanBr\BibTexParser\Exception\ProcessorException;
 
 /**
@@ -51,6 +52,16 @@ public function __invoke(array $entry)
         return $entry;
     }
 
+    /**
+     * Returns true if the ueberdosis/pandoc package is installed, otherwise returns false.
+     *
+     * @return bool
+     */
+    private function isUeberdosisPandocAvailable()
+    {
+        return InstalledVersions::isInstalled('ueberdosis/pandoc');
+    }
+
     /**
      * @param mixed $text
      *
@@ -63,12 +74,27 @@ private function decode($text)
                 $this->pandoc = new Pandoc();
             }
 
-            return $this->pandoc->runWith($text, [
-                'from' => 'latex',
-                'to' => 'plain',
-                'wrap' => 'none',
-            ]);
-        } catch (PandocException $exception) {
+            if ($this->isUeberdosisPandocAvailable()) {
+                // use ueberdosis/pandoc
+                $output = $this->pandoc->input($text)->execute([
+                    '--from', 'latex',
+                    '--to', 'plain',
+                    '--wrap', 'none',
+                ]);
+
+                // remove newline character added by Pandoc conversion
+                $output = substr($output, 0, -1);
+            } else {
+                // use ryakad/pandoc-php
+                $output = $this->pandoc->runWith($text, [
+                    'from' => 'latex',
+                    'to' => 'plain',
+                    'wrap' => 'none',
+                ]);
+            }
+
+            return $output;
+        } catch (Exception $exception) {
             throw new ProcessorException(sprintf('Error while processing LaTeX to Unicode: %s', $exception->getMessage()), 0, $exception);
         }
     }