LibWeb: Change HTMLToken::m_doctype into named DoctypeData struct

This is in preparation for an upcoming storage change of HTMLToken. In
contrast to the other token types, the accessor can hand out a mutable
reference to allow users to change parts of the DoctypeData easily.

4 files changed, 92 insertions, 79 deletions

diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLDocumentParser.cpp b/Userland/Libraries/LibWeb/HTML/Parser/HTMLDocumentParser.cpp
index 10fd18ed0e..5daa31d2b9 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLDocumentParser.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLDocumentParser.cpp
@@ -258,15 +258,15 @@ void HTMLDocumentParser::process_using_the_rules_for(InsertionMode mode, HTMLTok
 
 DOM::QuirksMode HTMLDocumentParser::which_quirks_mode(const HTMLToken& doctype_token) const
 {
-    if (doctype_token.m_doctype.force_quirks)
+    if (doctype_token.doctype_data().force_quirks)
         return DOM::QuirksMode::Yes;
 
     // NOTE: The tokenizer puts the name into lower case for us.
-    if (doctype_token.m_doctype.name != "html")
+    if (doctype_token.doctype_data().name != "html")
         return DOM::QuirksMode::Yes;
 
-    auto const& public_identifier = doctype_token.m_doctype.public_identifier;
-    auto const& system_identifier = doctype_token.m_doctype.system_identifier;
+    auto const& public_identifier = doctype_token.doctype_data().public_identifier;
+    auto const& system_identifier = doctype_token.doctype_data().system_identifier;
 
     if (public_identifier.equals_ignoring_case("-//W3O//DTD W3 HTML Strict 3.0//EN//"))
         return DOM::QuirksMode::Yes;
@@ -285,7 +285,7 @@ DOM::QuirksMode HTMLDocumentParser::which_quirks_mode(const HTMLToken& doctype_t
             return DOM::QuirksMode::Yes;
     }
 
-    if (doctype_token.m_doctype.missing_system_identifier) {
+    if (doctype_token.doctype_data().missing_system_identifier) {
         if (public_identifier.starts_with("-//W3C//DTD HTML 4.01 Frameset//", CaseSensitivity::CaseInsensitive))
             return DOM::QuirksMode::Yes;
 
@@ -299,7 +299,7 @@ DOM::QuirksMode HTMLDocumentParser::which_quirks_mode(const HTMLToken& doctype_t
     if (public_identifier.starts_with("-//W3C//DTD XHTML 1.0 Transitional//", CaseSensitivity::CaseInsensitive))
         return DOM::QuirksMode::Limited;
 
-    if (!doctype_token.m_doctype.missing_system_identifier) {
+    if (!doctype_token.doctype_data().missing_system_identifier) {
         if (public_identifier.starts_with("-//W3C//DTD HTML 4.01 Frameset//", CaseSensitivity::CaseInsensitive))
             return DOM::QuirksMode::Limited;
 
@@ -324,9 +324,9 @@ void HTMLDocumentParser::handle_initial(HTMLToken& token)
 
     if (token.is_doctype()) {
         auto doctype = adopt_ref(*new DOM::DocumentType(document()));
-        doctype->set_name(token.m_doctype.name);
-        doctype->set_public_id(token.m_doctype.public_identifier);
-        doctype->set_system_id(token.m_doctype.system_identifier);
+        doctype->set_name(token.doctype_data().name);
+        doctype->set_public_id(token.doctype_data().public_identifier);
+        doctype->set_system_id(token.doctype_data().system_identifier);
         document().append_child(move(doctype));
         document().set_quirks_mode(which_quirks_mode(token));
         m_insertion_mode = InsertionMode::BeforeHTML;
diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLToken.cpp b/Userland/Libraries/LibWeb/HTML/Parser/HTMLToken.cpp
index 39fd79e9ab..df662c7e00 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLToken.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLToken.cpp
@@ -16,7 +16,7 @@ String HTMLToken::to_string() const
     case HTMLToken::Type::DOCTYPE:
         builder.append("DOCTYPE");
         builder.append(" { name: '");
-        builder.append(m_doctype.name);
+        builder.append(doctype_data().name);
         builder.append("' }");
         break;
     case HTMLToken::Type::StartTag:
diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLToken.h b/Userland/Libraries/LibWeb/HTML/Parser/HTMLToken.h
index ea310fe8c9..49de74d50d 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLToken.h
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLToken.h
@@ -47,6 +47,17 @@ public:
         Position value_end_position;
     };
 
+    struct DoctypeData {
+        // NOTE: "Missing" is a distinct state from the empty string.
+        String name;
+        String public_identifier;
+        String system_identifier;
+        bool missing_name { true };
+        bool missing_public_identifier { true };
+        bool missing_system_identifier { true };
+        bool force_quirks { false };
+    };
+
     static HTMLToken make_character(u32 code_point)
     {
         HTMLToken token;
@@ -252,6 +263,18 @@ public:
         });
     }
 
+    DoctypeData const& doctype_data() const
+    {
+        VERIFY(is_doctype());
+        return m_doctype;
+    }
+
+    DoctypeData& doctype_data()
+    {
+        VERIFY(is_doctype());
+        return m_doctype;
+    }
+
     Type type() const { return m_type; }
 
     String to_string() const;
@@ -263,17 +286,7 @@ private:
     Type m_type { Type::Invalid };
 
     // Type::DOCTYPE
-    struct {
-        // NOTE: "Missing" is a distinct state from the empty string.
-
-        String name;
-        bool missing_name { true };
-        String public_identifier;
-        bool missing_public_identifier { true };
-        String system_identifier;
-        bool missing_system_identifier { true };
-        bool force_quirks { false };
-    } m_doctype;
+    DoctypeData m_doctype;
 
     // Type::StartTag
     // Type::EndTag
diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLTokenizer.cpp b/Userland/Libraries/LibWeb/HTML/Parser/HTMLTokenizer.cpp
index f43f6bc702..fb730b28d5 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLTokenizer.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLTokenizer.cpp
@@ -440,7 +440,7 @@ _StartOfFunction:
                 {
                     log_parse_error();
                     create_new_token(HTMLToken::Type::DOCTYPE);
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
@@ -462,7 +462,7 @@ _StartOfFunction:
                 {
                     create_new_token(HTMLToken::Type::DOCTYPE);
                     m_current_builder.append_code_point(to_ascii_lowercase(current_input_character.value()));
-                    m_current_token.m_doctype.missing_name = false;
+                    m_current_token.doctype_data().missing_name = false;
                     SWITCH_TO_WITH_UNCLEAN_BUILDER(DOCTYPEName);
                 }
                 ON(0)
@@ -470,21 +470,21 @@ _StartOfFunction:
                     log_parse_error();
                     create_new_token(HTMLToken::Type::DOCTYPE);
                     m_current_builder.append_code_point(0xFFFD);
-                    m_current_token.m_doctype.missing_name = false;
+                    m_current_token.doctype_data().missing_name = false;
                     SWITCH_TO_WITH_UNCLEAN_BUILDER(DOCTYPEName);
                 }
                 ON('>')
                 {
                     log_parse_error();
                     create_new_token(HTMLToken::Type::DOCTYPE);
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_EOF
                 {
                     log_parse_error();
                     create_new_token(HTMLToken::Type::DOCTYPE);
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
@@ -492,7 +492,7 @@ _StartOfFunction:
                 {
                     create_new_token(HTMLToken::Type::DOCTYPE);
                     m_current_builder.append_code_point(current_input_character.value());
-                    m_current_token.m_doctype.missing_name = false;
+                    m_current_token.doctype_data().missing_name = false;
                     SWITCH_TO_WITH_UNCLEAN_BUILDER(DOCTYPEName);
                 }
             }
@@ -502,12 +502,12 @@ _StartOfFunction:
             {
                 ON_WHITESPACE
                 {
-                    m_current_token.m_doctype.name = consume_current_builder();
+                    m_current_token.doctype_data().name = consume_current_builder();
                     SWITCH_TO(AfterDOCTYPEName);
                 }
                 ON('>')
                 {
-                    m_current_token.m_doctype.name = consume_current_builder();
+                    m_current_token.doctype_data().name = consume_current_builder();
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_ASCII_UPPER_ALPHA
@@ -524,7 +524,7 @@ _StartOfFunction:
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
@@ -549,7 +549,7 @@ _StartOfFunction:
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
@@ -562,7 +562,7 @@ _StartOfFunction:
                         SWITCH_TO(AfterDOCTYPESystemKeyword);
                     }
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     RECONSUME_IN(BogusDOCTYPE);
                 }
             }
@@ -577,32 +577,32 @@ _StartOfFunction:
                 ON('"')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.missing_public_identifier = false;
+                    m_current_token.doctype_data().missing_public_identifier = false;
                     SWITCH_TO(DOCTYPEPublicIdentifierDoubleQuoted);
                 }
                 ON('\'')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.missing_public_identifier = false;
+                    m_current_token.doctype_data().missing_public_identifier = false;
                     SWITCH_TO(DOCTYPEPublicIdentifierSingleQuoted);
                 }
                 ON('>')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
                 ANYTHING_ELSE
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     RECONSUME_IN(BogusDOCTYPE);
                 }
             }
@@ -617,34 +617,34 @@ _StartOfFunction:
                 ON('"')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.system_identifier = {};
-                    m_current_token.m_doctype.missing_system_identifier = false;
+                    m_current_token.doctype_data().system_identifier = {};
+                    m_current_token.doctype_data().missing_system_identifier = false;
                     SWITCH_TO(DOCTYPESystemIdentifierDoubleQuoted);
                 }
                 ON('\'')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.system_identifier = {};
-                    m_current_token.m_doctype.missing_system_identifier = false;
+                    m_current_token.doctype_data().system_identifier = {};
+                    m_current_token.doctype_data().missing_system_identifier = false;
                     SWITCH_TO(DOCTYPESystemIdentifierSingleQuoted);
                 }
                 ON('>')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
                 ANYTHING_ELSE
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     RECONSUME_IN(BogusDOCTYPE);
                 }
             }
@@ -658,31 +658,31 @@ _StartOfFunction:
                 }
                 ON('"')
                 {
-                    m_current_token.m_doctype.missing_public_identifier = false;
+                    m_current_token.doctype_data().missing_public_identifier = false;
                     SWITCH_TO(DOCTYPEPublicIdentifierDoubleQuoted);
                 }
                 ON('\'')
                 {
-                    m_current_token.m_doctype.missing_public_identifier = false;
+                    m_current_token.doctype_data().missing_public_identifier = false;
                     SWITCH_TO(DOCTYPEPublicIdentifierSingleQuoted);
                 }
                 ON('>')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
                 ANYTHING_ELSE
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     RECONSUME_IN(BogusDOCTYPE);
                 }
             }
@@ -696,31 +696,31 @@ _StartOfFunction:
                 }
                 ON('"')
                 {
-                    m_current_token.m_doctype.missing_system_identifier = false;
+                    m_current_token.doctype_data().missing_system_identifier = false;
                     SWITCH_TO(DOCTYPESystemIdentifierDoubleQuoted);
                 }
                 ON('\'')
                 {
-                    m_current_token.m_doctype.missing_system_identifier = false;
+                    m_current_token.doctype_data().missing_system_identifier = false;
                     SWITCH_TO(DOCTYPESystemIdentifierSingleQuoted);
                 }
                 ON('>')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
                 ANYTHING_ELSE
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     RECONSUME_IN(BogusDOCTYPE);
                 }
             }
@@ -730,7 +730,7 @@ _StartOfFunction:
             {
                 ON('"')
                 {
-                    m_current_token.m_doctype.public_identifier = consume_current_builder();
+                    m_current_token.doctype_data().public_identifier = consume_current_builder();
                     SWITCH_TO(AfterDOCTYPEPublicIdentifier);
                 }
                 ON(0)
@@ -742,14 +742,14 @@ _StartOfFunction:
                 ON('>')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.public_identifier = consume_current_builder();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().public_identifier = consume_current_builder();
+                    m_current_token.doctype_data().force_quirks = true;
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
@@ -765,7 +765,7 @@ _StartOfFunction:
             {
                 ON('\'')
                 {
-                    m_current_token.m_doctype.public_identifier = consume_current_builder();
+                    m_current_token.doctype_data().public_identifier = consume_current_builder();
                     SWITCH_TO(AfterDOCTYPEPublicIdentifier);
                 }
                 ON(0)
@@ -777,14 +777,14 @@ _StartOfFunction:
                 ON('>')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.public_identifier = consume_current_builder();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().public_identifier = consume_current_builder();
+                    m_current_token.doctype_data().force_quirks = true;
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
@@ -800,7 +800,7 @@ _StartOfFunction:
             {
                 ON('"')
                 {
-                    m_current_token.m_doctype.public_identifier = consume_current_builder();
+                    m_current_token.doctype_data().public_identifier = consume_current_builder();
                     SWITCH_TO(AfterDOCTYPESystemIdentifier);
                 }
                 ON(0)
@@ -812,14 +812,14 @@ _StartOfFunction:
                 ON('>')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.public_identifier = consume_current_builder();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().public_identifier = consume_current_builder();
+                    m_current_token.doctype_data().force_quirks = true;
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
@@ -835,7 +835,7 @@ _StartOfFunction:
             {
                 ON('\'')
                 {
-                    m_current_token.m_doctype.system_identifier = consume_current_builder();
+                    m_current_token.doctype_data().system_identifier = consume_current_builder();
                     SWITCH_TO(AfterDOCTYPESystemIdentifier);
                 }
                 ON(0)
@@ -847,14 +847,14 @@ _StartOfFunction:
                 ON('>')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.system_identifier = consume_current_builder();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().system_identifier = consume_current_builder();
+                    m_current_token.doctype_data().force_quirks = true;
                     SWITCH_TO_AND_EMIT_CURRENT_TOKEN(Data);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
@@ -879,26 +879,26 @@ _StartOfFunction:
                 ON('"')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.missing_system_identifier = false;
+                    m_current_token.doctype_data().missing_system_identifier = false;
                     SWITCH_TO(DOCTYPESystemIdentifierDoubleQuoted);
                 }
                 ON('\'')
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.missing_system_identifier = false;
+                    m_current_token.doctype_data().missing_system_identifier = false;
                     SWITCH_TO(DOCTYPESystemIdentifierSingleQuoted);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
                 ANYTHING_ELSE
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     RECONSUME_IN(BogusDOCTYPE);
                 }
             }
@@ -916,25 +916,25 @@ _StartOfFunction:
                 }
                 ON('"')
                 {
-                    m_current_token.m_doctype.missing_system_identifier = false;
+                    m_current_token.doctype_data().missing_system_identifier = false;
                     SWITCH_TO(DOCTYPESystemIdentifierDoubleQuoted);
                 }
                 ON('\'')
                 {
-                    m_current_token.m_doctype.missing_system_identifier = false;
+                    m_current_token.doctype_data().missing_system_identifier = false;
                     SWITCH_TO(DOCTYPESystemIdentifierSingleQuoted);
                 }
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }
                 ANYTHING_ELSE
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     RECONSUME_IN(BogusDOCTYPE);
                 }
             }
@@ -953,7 +953,7 @@ _StartOfFunction:
                 ON_EOF
                 {
                     log_parse_error();
-                    m_current_token.m_doctype.force_quirks = true;
+                    m_current_token.doctype_data().force_quirks = true;
                     m_queued_tokens.enqueue(move(m_current_token));
                     EMIT_EOF;
                 }