LibWeb: Add GridTrackPlacement for grid-[column/row]-[start/end]

Add GridTrackPlacement to use with grid-column-start and related CSS
properties.

1 files changed, 36 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/CSS/GridTrackPlacement.cpp b/Userland/Libraries/LibWeb/CSS/GridTrackPlacement.cpp
new file mode 100644
index 0000000000..1c13eec2dd
--- /dev/null
+++ b/Userland/Libraries/LibWeb/CSS/GridTrackPlacement.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2022, Martin Falisse <mfalisse@outlook.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "GridTrackPlacement.h"
+#include <AK/String.h>
+
+namespace Web::CSS {
+
+GridTrackPlacement::GridTrackPlacement(int position, bool has_span)
+    : m_position(position)
+    , m_has_span(has_span)
+{
+}
+
+GridTrackPlacement::GridTrackPlacement(int position)
+    : m_position(position)
+{
+}
+
+GridTrackPlacement::GridTrackPlacement()
+{
+}
+
+String GridTrackPlacement::to_string() const
+{
+    StringBuilder builder;
+    if (m_has_span)
+        builder.append("span "sv);
+    builder.append(String::number(m_position));
+    return builder.to_string();
+}
+
+}