1 files changed, 603 insertions, 0 deletions
diff --git a/xpcom/ds/nsSupportsPrimitives.cpp b/xpcom/ds/nsSupportsPrimitives.cpp
new file mode 100644
index 0000000000..1d0db73187
--- /dev/null
+++ b/xpcom/ds/nsSupportsPrimitives.cpp
@@ -0,0 +1,603 @@
+/* -*- 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 "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];
+
+  SprintfLiteral(buf, aFormat, aData);
+
+  return moz_xstrdup(buf);
+}
+
+/*****************************************************************************
+ * 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, mozilla::fallible);
+  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, mozilla::fallible);
+  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");
+  *aResult = moz_xstrdup(mData ? "true" : "false");
+  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(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");
+
+  *aIID = mIID ? mIID->Clone() : nullptr;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsInterfacePointer::SetDataIID(const nsID* aIID) {
+  if (mIID) {
+    free(mIID);
+  }
+
+  mIID = aIID ? aIID->Clone() : nullptr;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsInterfacePointer::ToString(char** aResult) {
+  NS_ASSERTION(aResult, "Bad pointer");
+
+  // jband sez: think about asking nsIInterfaceInfoManager whether
+  // the interface has a known human-readable name
+  *aResult = moz_xstrdup("[interface pointer]");
+  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, mozilla::fallible);
+  if (!*aResult) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSupportsDependentCString::SetData(const nsACString& aData) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}