Add m-esr52 at 52.6.0

1 files changed, 131 insertions, 0 deletions

diff --git a/embedding/components/commandhandler/nsCommandParams.h b/embedding/components/commandhandler/nsCommandParams.h
new file mode 100644
index 000000000..52df28d79
--- /dev/null
+++ b/embedding/components/commandhandler/nsCommandParams.h
@@ -0,0 +1,131 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsCommandParams_h__
+#define nsCommandParams_h__
+
+#include "nsString.h"
+#include "nsICommandParams.h"
+#include "nsCOMPtr.h"
+#include "PLDHashTable.h"
+
+class nsCommandParams : public nsICommandParams
+{
+public:
+  nsCommandParams();
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSICOMMANDPARAMS
+
+protected:
+  virtual ~nsCommandParams();
+
+  struct HashEntry : public PLDHashEntryHdr
+  {
+    nsCString mEntryName;
+
+    uint8_t mEntryType;
+    union
+    {
+      bool mBoolean;
+      int32_t mLong;
+      double mDouble;
+      nsString* mString;
+      nsCString* mCString;
+    } mData;
+
+    nsCOMPtr<nsISupports> mISupports;
+
+    HashEntry(uint8_t aType, const char* aEntryName)
+      : mEntryName(aEntryName)
+      , mEntryType(aType)
+    {
+      Reset(mEntryType);
+    }
+
+    HashEntry(const HashEntry& aRHS)
+      : mEntryType(aRHS.mEntryType)
+    {
+      Reset(mEntryType);
+      switch (mEntryType) {
+        case eBooleanType:
+          mData.mBoolean = aRHS.mData.mBoolean;
+          break;
+        case eLongType:
+          mData.mLong = aRHS.mData.mLong;
+          break;
+        case eDoubleType:
+          mData.mDouble = aRHS.mData.mDouble;
+          break;
+        case eWStringType:
+          NS_ASSERTION(aRHS.mData.mString, "Source entry has no string");
+          mData.mString = new nsString(*aRHS.mData.mString);
+          break;
+        case eStringType:
+          NS_ASSERTION(aRHS.mData.mCString, "Source entry has no string");
+          mData.mCString = new nsCString(*aRHS.mData.mCString);
+          break;
+        case eISupportsType:
+          mISupports = aRHS.mISupports.get();
+          break;
+        default:
+          NS_ERROR("Unknown type");
+      }
+    }
+
+    ~HashEntry() { Reset(eNoType); }
+
+    void Reset(uint8_t aNewType)
+    {
+      switch (mEntryType) {
+        case eNoType:
+          break;
+        case eBooleanType:
+          mData.mBoolean = false;
+          break;
+        case eLongType:
+          mData.mLong = 0;
+          break;
+        case eDoubleType:
+          mData.mDouble = 0.0;
+          break;
+        case eWStringType:
+          delete mData.mString;
+          mData.mString = nullptr;
+          break;
+        case eISupportsType:
+          mISupports = nullptr;
+          break;
+        case eStringType:
+          delete mData.mCString;
+          mData.mCString = nullptr;
+          break;
+        default:
+          NS_ERROR("Unknown type");
+      }
+      mEntryType = aNewType;
+    }
+  };
+
+  HashEntry* GetNamedEntry(const char* aName);
+  HashEntry* GetOrMakeEntry(const char* aName, uint8_t aEntryType);
+
+protected:
+  static PLDHashNumber HashKey(const void* aKey);
+
+  static bool HashMatchEntry(const PLDHashEntryHdr* aEntry, const void* aKey);
+
+  static void HashMoveEntry(PLDHashTable* aTable, const PLDHashEntryHdr* aFrom,
+                            PLDHashEntryHdr* aTo);
+
+  static void HashClearEntry(PLDHashTable* aTable, PLDHashEntryHdr* aEntry);
+
+  PLDHashTable mValuesHash;
+
+  static const PLDHashTableOps sHashOps;
+};
+
+#endif // nsCommandParams_h__