add support for global defaults

Author: matronator

src/Mtrgen/Template/Generator.php

@@ -23,6 +23,11 @@ public static function parseAnyFile(string $path, array $arguments = [], bool $u
             throw new \RuntimeException(sprintf('File "%s" was not found', $path));
         }
 
+        $defaults = static::getDefaultArguments($file);
+        foreach ($defaults as $key => $value) {
+            $arguments["default:$key"] = $value;
+        }
+
         $parsed = Parser::parseString($file, $arguments, false, new PatternsOption(null, null, $useCommentSyntax !== false ? self::COMMENT_PATTERN : null));
 
         $header = static::getTemplateHeader($parsed);
@@ -54,7 +59,8 @@ private static function write(GenericFileObject $file): void
             throw new \RuntimeException(sprintf('Directory "%s" was not created', $concurrentDirectory));
         }
 
-        file_put_contents(Path::safe(str_ends_with($file->directory, DIRECTORY_SEPARATOR)
+        file_put_contents(Path::safe(
+            str_ends_with($file->directory, DIRECTORY_SEPARATOR)
             ? $file->directory . $file->filename
             : $file->directory . DIRECTORY_SEPARATOR . $file->filename), $file->contents);
     }
@@ -89,19 +95,39 @@ public static function getTemplateHeader(string $content): TemplateHeader
             if ($line === '') {
                 continue;
             }
-            $keyValue = explode(':', $line);
+            $keyValue = explode(':', $line, 2);
             $key = trim($keyValue[0]);
-            $value = trim($keyValue[1]);
-            $info[$key] = $value;
+            if ($key !== 'defaults') {
+                $value = trim($keyValue[1]);
+                $info[$key] = $value;
+            } else {
+                $info['defaults'] = array_slice($lines, array_search($line, $lines) + 1);
+                break;
+            }
         }
 
         if (!isset($info['name']) || !isset($info['filename']) || !isset($info['path'])) {
             throw new \RuntimeException('Template header is missing some required properties (name, filename, path).');
         }
 
+        if (isset($info['defaults'])) {
+            foreach ($info['defaults'] as $value) {
+                $keyValue = explode(':', $value, 2);
+                $key = trim($keyValue[0]);
+                $value = trim($keyValue[1]);
+                $info['defaults'][$key] = $value;
+            }
+        }
+
         return TemplateHeader::fromArray($info);
     }
 
+    public static function getDefaultArguments(string $content): array
+    {
+        $header = static::getTemplateHeader($content);
+        return $header->defaults;
+    }
+
     public static function removeHeader(string $content): string
     {
         return ltrim(preg_replace(self::HEADER_PATTERN, '', $content));

src/Mtrgen/Template/TemplateHeader.php

@@ -9,16 +9,18 @@ class TemplateHeader
     public string $name;
     public string $filename;
     public string $path;
+    public array $defaults = [];
 
-    public function __construct(string $name, string $filename, string $path)
+    public function __construct(string $name, string $filename, string $path, array $defaults = [])
     {
         $this->name = $name;
         $this->filename = $filename;
         $this->path = $path;
+        $this->defaults = $defaults;
     }
 
     public static function fromArray(array $array): static
     {
-        return new static($array['name'], $array['filename'], $array['path']);
+        return new static($array['name'], $array['filename'], $array['path'], $array['defaults'] ?? []);
     }
 }