Move CSSParserSelector out of CSSParserValues.h/cpp

Source/core/css/parser/CSSParserSelector.cpp

Index: Source/core/css/parser/CSSParserSelector.cpp
diff --git a/Source/core/css/parser/CSSParserSelector.cpp b/Source/core/css/parser/CSSParserSelector.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..aa0d820cd5a9978f132f6cca21265abc9160184e
--- /dev/null
+++ b/Source/core/css/parser/CSSParserSelector.cpp
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "core/css/parser/CSSParserSelector.h"
+
+#include "core/css/CSSSelectorList.h"
+
+namespace blink {
+
+CSSParserSelector::CSSParserSelector()
+    : m_selector(adoptPtr(new CSSSelector()))
+{
+}
+
+CSSParserSelector::CSSParserSelector(const QualifiedName& tagQName, bool isImplicit)
+    : m_selector(adoptPtr(new CSSSelector(tagQName, isImplicit)))
+{
+}
+
+CSSParserSelector::~CSSParserSelector()
+{
+    if (!m_tagHistory)
+        return;
+    Vector<OwnPtr<CSSParserSelector>, 16> toDelete;
+    OwnPtr<CSSParserSelector> selector = m_tagHistory.release();
+    while (true) {
+        OwnPtr<CSSParserSelector> next = selector->m_tagHistory.release();
+        toDelete.append(selector.release());
+        if (!next)
+            break;
+        selector = next.release();
+    }
+}
+
+void CSSParserSelector::adoptSelectorVector(Vector<OwnPtr<CSSParserSelector>>& selectorVector)
+{
+    CSSSelectorList* selectorList = new CSSSelectorList();
+    selectorList->adoptSelectorVector(selectorVector);
+    m_selector->setSelectorList(adoptPtr(selectorList));
+}
+
+void CSSParserSelector::setSelectorList(PassOwnPtr<CSSSelectorList> selectorList)
+{
+    m_selector->setSelectorList(selectorList);
+}
+
+bool CSSParserSelector::isSimple() const
+{
+    if (m_selector->selectorList() || m_selector->match() == CSSSelector::PseudoElement)
+        return false;
+
+    if (!m_tagHistory)
+        return true;
+
+    if (m_selector->match() == CSSSelector::Tag) {
+        // We can't check against anyQName() here because namespace may not be nullAtom.
+        // Example:
+        //     @namespace "http://www.w3.org/2000/svg";
+        //     svg:not(:root) { ...
+        if (m_selector->tagQName().localName() == starAtom)
+            return m_tagHistory->isSimple();
+    }
+
+    return false;
+}
+
+void CSSParserSelector::insertTagHistory(CSSSelector::Relation before, PassOwnPtr<CSSParserSelector> selector, CSSSelector::Relation after)
+{
+    if (m_tagHistory)
+        selector->setTagHistory(m_tagHistory.release());
+    setRelation(before);
+    selector->setRelation(after);
+    m_tagHistory = selector;
+}
+
+void CSSParserSelector::appendTagHistory(CSSSelector::Relation relation, PassOwnPtr<CSSParserSelector> selector)
+{
+    CSSParserSelector* end = this;
+    while (end->tagHistory())
+        end = end->tagHistory();
+    end->setRelation(relation);
+    end->setTagHistory(selector);
+}
+
+void CSSParserSelector::prependTagSelector(const QualifiedName& tagQName, bool isImplicit)
+{
+    OwnPtr<CSSParserSelector> second = CSSParserSelector::create();
+    second->m_selector = m_selector.release();
+    second->m_tagHistory = m_tagHistory.release();
+    m_tagHistory = second.release();
+    m_selector = adoptPtr(new CSSSelector(tagQName, isImplicit));
+}
+
+bool CSSParserSelector::hasHostPseudoSelector() const
+{
+    for (CSSParserSelector* selector = const_cast<CSSParserSelector*>(this); selector; selector = selector->tagHistory()) {
+        if (selector->pseudoType() == CSSSelector::PseudoHost || selector->pseudoType() == CSSSelector::PseudoHostContext)
+            return true;
+    }
+    return false;
+}
+
+} // namespace blink