From 08c751d130afe63e75054d52fd02fd339d224d53 Mon Sep 17 00:00:00 2001
From: Sergey Bugaev <bugaevc@gmail.com>
Date: Wed, 25 Sep 2019 11:55:04 +0300
Subject: [PATCH] LibHTML: Add StyleProperties::string_or_fallback()

This is an utility to go with the existing length_or_fallback().
---
 Libraries/LibHTML/CSS/StyleProperties.cpp | 8 ++++++++
 Libraries/LibHTML/CSS/StyleProperties.h   | 1 +
 2 files changed, 9 insertions(+)

diff --git a/Libraries/LibHTML/CSS/StyleProperties.cpp b/Libraries/LibHTML/CSS/StyleProperties.cpp
index 9cdf4af97c..8bf9108911 100644
--- a/Libraries/LibHTML/CSS/StyleProperties.cpp
+++ b/Libraries/LibHTML/CSS/StyleProperties.cpp
@@ -20,3 +20,11 @@ Length StyleProperties::length_or_fallback(const StringView& property_name, cons
         return fallback;
     return value.value()->to_length();
 }
+
+String StyleProperties::string_or_fallback(const StringView& property_name, const StringView& fallback) const
+{
+    auto value = property(property_name);
+    if (!value.has_value())
+        return fallback;
+    return value.value()->to_string();
+}
diff --git a/Libraries/LibHTML/CSS/StyleProperties.h b/Libraries/LibHTML/CSS/StyleProperties.h
index d449363de5..4deca177b1 100644
--- a/Libraries/LibHTML/CSS/StyleProperties.h
+++ b/Libraries/LibHTML/CSS/StyleProperties.h
@@ -17,6 +17,7 @@ public:
     Optional<NonnullRefPtr<StyleValue>> property(const String& name) const;
 
     Length length_or_fallback(const StringView& property_name, const Length& fallback) const;
+    String string_or_fallback(const StringView& property_name, const StringView& fallback) const;
 
 private:
     HashMap<String, NonnullRefPtr<StyleValue>> m_property_values;