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Issue 29587914: Issue 5142 - Convert Element Hiding to C++ (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Add proper delete for filters in tests. Created Nov. 8, 2017, 12:02 a.m.
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Index: compiled/ElemHide.h
===================================================================
new file mode 100644
--- /dev/null
+++ b/compiled/ElemHide.h
@@ -0,0 +1,102 @@
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-present eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * @fileOverview Element hiding implementation.
+ */
+
+#pragma once
+
+#include <unordered_map>
+#include <vector>
+
+#include "bindings/runtime.h"
+#include "intrusive_ptr.h"
+#include "StringMap.h"
+#include "filter/Filter.h"
+#include "filter/ElemHideBase.h"
+#include "filter/ElemHideException.h"
+
+class _ElemHide_SelectorList : public ref_counted
+{
+ std::vector<ElemHideBasePtr> mSelectors;
+public:
+ size_t BINDINGS_EXPORTED GetSelectorCount() const
+ {
+ return mSelectors.size();
+ }
+ DependentString BINDINGS_EXPORTED SelectorAt(size_t idx) const;
+ const String& BINDINGS_EXPORTED FilterKeyAt(size_t idx) const;
+
+ void push_back(ElemHideBasePtr filter)
+ {
+ mSelectors.push_back(filter);
+ }
+
+ void append(const _ElemHide_SelectorList* list)
+ {
+ mSelectors.insert(mSelectors.end(),
+ list->mSelectors.cbegin(), list->mSelectors.cend());
+ }
+};
+
+class ElemHide : public ref_counted
+{
+ // All filters. Key is filter text. Exception filters excluded.
+ StringMap<ElemHideBasePtr> mFilters;
+ // StringMap is non copyable. std::unordered_map<> it is
+ // Filters by domain. Key is domain. Subkey is filter text.
+ StringMap<std::unordered_map<DependentString,ElemHideBasePtr,StringHash>> mFiltersByDomain;
+
+ // Exceptions. The key is the selector.
+ StringMap<std::vector<ElemHideExceptionPtr>> mExceptions;
+ // Known exceptions. Filter text as keys.
+ StringSet mKnownExceptions;
+
+ // Unconditional selectors. Filter text as key
+ StringSet mUnconditionalSelectors;
+
+ mutable intrusive_ptr<_ElemHide_SelectorList> mUnconditionalSelectorsCache;
+
+ static ElemHide* mInstance;
+public:
+ enum Criteria
+ {
+ ALL_MATCHING = 0,
+ NO_UNCONDITIONAL = 1,
+ SPECIFIC_ONLY = 2,
+ };
+
+ static ElemHide* BINDINGS_EXPORTED GetInstance()
+ {
+ return mInstance;
+ }
+
+ void BINDINGS_EXPORTED Clear();
+ void BINDINGS_EXPORTED Add(ElemHideBase& filter);
+ void BINDINGS_EXPORTED Remove(ElemHideBase& filter);
+
+ _ElemHide_SelectorList* BINDINGS_EXPORTED GetSelectorsForDomain(const String& domain, Criteria criteria) const;
+ _ElemHide_SelectorList* BINDINGS_EXPORTED GetUnconditionalSelectors() const;
+
+ ElemHideException* BINDINGS_EXPORTED GetException(const ElemHideBase& filter,
+ DependentString& docDomain) const;
+
+private:
+ void AddToFiltersByDomain(ElemHideBase& filter);
+};
+
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