From cf07da082ecee03768ad17d124b359f3b5bf4478 Mon Sep 17 00:00:00 2001
From: Sam Atkins <atkinssj@serenityos.org>
Date: Wed, 24 Nov 2021 12:57:21 +0000
Subject: [PATCH] LibWeb: Implement CSS::Token::to_string()

This outputs valid CSS, as opposed to to_debug_string().
---
 .../Libraries/LibWeb/CSS/Parser/Token.cpp     | 62 +++++++++++++++++++
 Userland/Libraries/LibWeb/CSS/Parser/Token.h  |  1 +
 2 files changed, 63 insertions(+)

diff --git a/Userland/Libraries/LibWeb/CSS/Parser/Token.cpp b/Userland/Libraries/LibWeb/CSS/Parser/Token.cpp
index 38a3262c4b..a45fcbf4aa 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/Token.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Parser/Token.cpp
@@ -6,9 +6,71 @@
 
 #include <AK/String.h>
 #include <LibWeb/CSS/Parser/Token.h>
+#include <LibWeb/CSS/Serialize.h>
 
 namespace Web::CSS {
 
+String Token::to_string() const
+{
+    StringBuilder builder;
+
+    switch (m_type) {
+    case Type::EndOfFile:
+        return "";
+    case Type::Ident:
+        return serialize_an_identifier(ident());
+    case Type::Function:
+        return String::formatted("{}(", serialize_an_identifier(function()));
+    case Type::AtKeyword:
+        return String::formatted("@{}", serialize_an_identifier(at_keyword()));
+    case Type::Hash:
+        return String::formatted("#{}", serialize_an_identifier(hash_value()));
+    case Type::String:
+        return serialize_a_string(string());
+    case Type::BadString:
+        return "";
+    case Type::Url:
+        return serialize_a_url(url());
+    case Type::BadUrl:
+        return "url()";
+    case Type::Delim:
+        return m_value;
+    case Type::Number:
+        return String::number(m_number_value);
+    case Type::Percentage:
+        return String::formatted("{}%", m_number_value);
+    case Type::Dimension:
+        return String::formatted("{}{}", m_number_value, m_unit);
+    case Type::Whitespace:
+        return " ";
+    case Type::CDO:
+        return "<!--";
+    case Type::CDC:
+        return "-->";
+    case Type::Colon:
+        return ":";
+    case Type::Semicolon:
+        return ";";
+    case Type::Comma:
+        return ",";
+    case Type::OpenSquare:
+        return "[";
+    case Type::CloseSquare:
+        return "]";
+    case Type::OpenParen:
+        return "(";
+    case Type::CloseParen:
+        return ")";
+    case Type::OpenCurly:
+        return "{";
+    case Type::CloseCurly:
+        return "}";
+    case Type::Invalid:
+    default:
+        VERIFY_NOT_REACHED();
+    }
+}
+
 String Token::to_debug_string() const
 {
     StringBuilder builder;
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/Token.h b/Userland/Libraries/LibWeb/CSS/Parser/Token.h
index 99886308a8..bb58eaa7a1 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/Token.h
+++ b/Userland/Libraries/LibWeb/CSS/Parser/Token.h
@@ -157,6 +157,7 @@ public:
     String bracket_string() const;
     String bracket_mirror_string() const;
 
+    String to_string() const;
     String to_debug_string() const;
 
     Position const& start_position() const { return m_start_position; }