1 files changed, 849 insertions, 0 deletions
diff --git a/xpcom/ds/nsSupportsPrimitives.cpp b/xpcom/ds/nsSupportsPrimitives.cpp
new file mode 100644
index 000000000..aa929b9de
--- /dev/null
+++ b/xpcom/ds/nsSupportsPrimitives.cpp
@@ -0,0 +1,849 @@
+/* -*- 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/. */
+
+#include "nsSupportsPrimitives.h"
+#include "nsMemory.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/IntegerPrintfMacros.h"
+#include "mozilla/Sprintf.h"
+#include <algorithm>
+
+template<typename T>
+static char*
+DataToString(const char* aFormat, T aData)
+{
+  static const int size = 32;
+  char buf[size];
+
+  int len = SprintfLiteral(buf, aFormat, aData);
+  MOZ_ASSERT(len >= 0);
+
+  return static_cast<char*>(nsMemory::Clone(buf, std::min(len + 1, size) *
+                                                 sizeof(char)));
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsID, nsISupportsID, nsISupportsPrimitive)
+
+nsSupportsID::nsSupportsID()
+  : mData(nullptr)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsID::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_ID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsID::GetData(nsID** aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+
+  if (mData) {
+    *aData = static_cast<nsID*>(nsMemory::Clone(mData, sizeof(nsID)));
+  } else {
+    *aData = nullptr;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsID::SetData(const nsID* aData)
+{
+  if (mData) {
+    free(mData);
+  }
+
+  if (aData) {
+    mData = static_cast<nsID*>(nsMemory::Clone(aData, sizeof(nsID)));
+  } else {
+    mData = nullptr;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsID::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+
+  if (mData) {
+    *aResult = mData->ToString();
+  } else {
+    static const char nullStr[] = "null";
+    *aResult = static_cast<char*>(nsMemory::Clone(nullStr, sizeof(nullStr)));
+  }
+
+  return NS_OK;
+}
+
+/*****************************************************************************
+ * nsSupportsCString
+ *****************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsCString, nsISupportsCString,
+                  nsISupportsPrimitive)
+
+NS_IMETHODIMP
+nsSupportsCString::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_CSTRING;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsCString::GetData(nsACString& aData)
+{
+  aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsCString::ToString(char** aResult)
+{
+  *aResult = ToNewCString(mData);
+  if (!*aResult) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsCString::SetData(const nsACString& aData)
+{
+  bool ok = mData.Assign(aData, mozilla::fallible);
+  if (!ok) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  return NS_OK;
+}
+
+/*****************************************************************************
+ * nsSupportsString
+ *****************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsString, nsISupportsString,
+                  nsISupportsPrimitive)
+
+NS_IMETHODIMP
+nsSupportsString::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_STRING;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsString::GetData(nsAString& aData)
+{
+  aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsString::ToString(char16_t** aResult)
+{
+  *aResult = ToNewUnicode(mData);
+  if (!*aResult) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsString::SetData(const nsAString& aData)
+{
+  bool ok = mData.Assign(aData, mozilla::fallible);
+  if (!ok) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsPRBool, nsISupportsPRBool,
+                  nsISupportsPrimitive)
+
+nsSupportsPRBool::nsSupportsPRBool()
+  : mData(false)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsPRBool::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_PRBOOL;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRBool::GetData(bool* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRBool::SetData(bool aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRBool::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  const char* str = mData ? "true" : "false";
+  *aResult = static_cast<char*>(nsMemory::Clone(str, (strlen(str) + 1) *
+                                                     sizeof(char)));
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsPRUint8, nsISupportsPRUint8,
+                  nsISupportsPrimitive)
+
+nsSupportsPRUint8::nsSupportsPRUint8()
+  : mData(0)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint8::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_PRUINT8;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint8::GetData(uint8_t* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint8::SetData(uint8_t aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint8::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%u", static_cast<unsigned int>(mData));
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsPRUint16, nsISupportsPRUint16,
+                  nsISupportsPrimitive)
+
+nsSupportsPRUint16::nsSupportsPRUint16()
+  : mData(0)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint16::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_PRUINT16;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint16::GetData(uint16_t* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint16::SetData(uint16_t aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint16::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%u", static_cast<unsigned int>(mData));
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsPRUint32, nsISupportsPRUint32,
+                  nsISupportsPrimitive)
+
+nsSupportsPRUint32::nsSupportsPRUint32()
+  : mData(0)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint32::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_PRUINT32;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint32::GetData(uint32_t* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint32::SetData(uint32_t aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint32::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%u", mData);
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsPRUint64, nsISupportsPRUint64,
+                  nsISupportsPrimitive)
+
+nsSupportsPRUint64::nsSupportsPRUint64()
+  : mData(0)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint64::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_PRUINT64;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint64::GetData(uint64_t* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint64::SetData(uint64_t aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRUint64::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%llu", mData);
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsPRTime, nsISupportsPRTime,
+                  nsISupportsPrimitive)
+
+nsSupportsPRTime::nsSupportsPRTime()
+  : mData(0)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsPRTime::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_PRTIME;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRTime::GetData(PRTime* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRTime::SetData(PRTime aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRTime::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%" PRIu64, mData);
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsChar, nsISupportsChar,
+                  nsISupportsPrimitive)
+
+nsSupportsChar::nsSupportsChar()
+  : mData(0)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsChar::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_CHAR;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsChar::GetData(char* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsChar::SetData(char aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsChar::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = static_cast<char*>(moz_xmalloc(2 * sizeof(char)));
+  *aResult[0] = mData;
+  *aResult[1] = '\0';
+
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsPRInt16, nsISupportsPRInt16,
+                  nsISupportsPrimitive)
+
+nsSupportsPRInt16::nsSupportsPRInt16()
+  : mData(0)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt16::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_PRINT16;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt16::GetData(int16_t* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt16::SetData(int16_t aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt16::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%d", static_cast<int>(mData));
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsPRInt32, nsISupportsPRInt32,
+                  nsISupportsPrimitive)
+
+nsSupportsPRInt32::nsSupportsPRInt32()
+  : mData(0)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt32::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_PRINT32;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt32::GetData(int32_t* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt32::SetData(int32_t aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt32::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%d", mData);
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsPRInt64, nsISupportsPRInt64,
+                  nsISupportsPrimitive)
+
+nsSupportsPRInt64::nsSupportsPRInt64()
+  : mData(0)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt64::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_PRINT64;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt64::GetData(int64_t* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt64::SetData(int64_t aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsPRInt64::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%" PRId64, mData);
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsFloat, nsISupportsFloat,
+                  nsISupportsPrimitive)
+
+nsSupportsFloat::nsSupportsFloat()
+  : mData(float(0.0))
+{
+}
+
+NS_IMETHODIMP
+nsSupportsFloat::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_FLOAT;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsFloat::GetData(float* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsFloat::SetData(float aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsFloat::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%f", static_cast<double>(mData));
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsDouble, nsISupportsDouble,
+                  nsISupportsPrimitive)
+
+nsSupportsDouble::nsSupportsDouble()
+  : mData(double(0.0))
+{
+}
+
+NS_IMETHODIMP
+nsSupportsDouble::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_DOUBLE;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsDouble::GetData(double* aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsDouble::SetData(double aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsDouble::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  *aResult = DataToString("%f", mData);
+  return  NS_OK;
+}
+
+/***************************************************************************/
+
+
+NS_IMPL_ISUPPORTS(nsSupportsVoid, nsISupportsVoid,
+                  nsISupportsPrimitive)
+
+nsSupportsVoid::nsSupportsVoid()
+  : mData(nullptr)
+{
+}
+
+NS_IMETHODIMP
+nsSupportsVoid::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_VOID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsVoid::GetData(void** aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsVoid::SetData(void* aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsVoid::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+  static const char str[] = "[raw data]";
+  *aResult = static_cast<char*>(nsMemory::Clone(str, sizeof(str)));
+  return NS_OK;
+}
+
+/***************************************************************************/
+
+
+NS_IMPL_ISUPPORTS(nsSupportsInterfacePointer,
+                  nsISupportsInterfacePointer,
+                  nsISupportsPrimitive)
+
+nsSupportsInterfacePointer::nsSupportsInterfacePointer()
+  : mIID(nullptr)
+{
+}
+
+nsSupportsInterfacePointer::~nsSupportsInterfacePointer()
+{
+  if (mIID) {
+    free(mIID);
+  }
+}
+
+NS_IMETHODIMP
+nsSupportsInterfacePointer::GetType(uint16_t* aType)
+{
+  NS_ASSERTION(aType, "Bad pointer");
+  *aType = TYPE_INTERFACE_POINTER;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsInterfacePointer::GetData(nsISupports** aData)
+{
+  NS_ASSERTION(aData, "Bad pointer");
+  *aData = mData;
+  NS_IF_ADDREF(*aData);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsInterfacePointer::SetData(nsISupports* aData)
+{
+  mData = aData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsInterfacePointer::GetDataIID(nsID** aIID)
+{
+  NS_ASSERTION(aIID, "Bad pointer");
+
+  if (mIID) {
+    *aIID = static_cast<nsID*>(nsMemory::Clone(mIID, sizeof(nsID)));
+  } else {
+    *aIID = nullptr;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsInterfacePointer::SetDataIID(const nsID* aIID)
+{
+  if (mIID) {
+    free(mIID);
+  }
+
+  if (aIID) {
+    mIID = static_cast<nsID*>(nsMemory::Clone(aIID, sizeof(nsID)));
+  } else {
+    mIID = nullptr;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsInterfacePointer::ToString(char** aResult)
+{
+  NS_ASSERTION(aResult, "Bad pointer");
+
+  static const char str[] = "[interface pointer]";
+  // jband sez: think about asking nsIInterfaceInfoManager whether
+  // the interface has a known human-readable name
+  *aResult = static_cast<char*>(nsMemory::Clone(str, sizeof(str)));
+  return  NS_OK;
+}
+
+/***************************************************************************/
+
+NS_IMPL_ISUPPORTS(nsSupportsDependentCString, nsISupportsCString,
+                  nsISupportsPrimitive)
+
+nsSupportsDependentCString::nsSupportsDependentCString(const char* aStr)
+  : mData(aStr)
+{ }
+
+NS_IMETHODIMP
+nsSupportsDependentCString::GetType(uint16_t* aType)
+{
+  if (NS_WARN_IF(!aType)) {
+    return NS_ERROR_INVALID_ARG;
+  }
+
+  *aType = TYPE_CSTRING;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsDependentCString::GetData(nsACString& aData)
+{
+  aData = mData;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsDependentCString::ToString(char** aResult)
+{
+  if (NS_WARN_IF(!aResult)) {
+    return NS_ERROR_INVALID_ARG;
+  }
+
+  *aResult = ToNewCString(mData);
+  if (!*aResult) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsDependentCString::SetData(const nsACString& aData)
+{
+  return NS_ERROR_NOT_IMPLEMENTED;
+}