Implement {% while ... %}

htmlcc/parser.py

@@ -109,6 +109,13 @@ class Parser:
 			# {% endpage %}
 			self.emitter.end_page()
 			self.in_html = False
+		elif command.startswith('while '):
+			# {% while ... %}
+			condition = command[len('while '):].strip()
+			self.emitter.emit('while (' + condition + ') {')
+		elif command == 'endwhile':
+			# {% endwhile %}
+			self.emitter.emit('}')
 		else:
 			raise SyntaxError(f'Unknown command "{command}"')