gecko-dev/xpcom/ds/nsSupportsPrimitives.cpp

649 строки
14 KiB
C++

/* -*- 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];
SprintfLiteral(buf, aFormat, aData);
return moz_xstrdup(buf);
}
/***************************************************************************/
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");
*aData = mData ? mData->Clone() : nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsSupportsID::SetData(const nsID* aData) {
if (mData) {
free(mData);
}
mData = aData ? aData->Clone() : nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsSupportsID::ToString(char** aResult) {
NS_ASSERTION(aResult, "Bad pointer");
if (mData) {
*aResult = mData->ToString();
} else {
*aResult = moz_xstrdup("null");
}
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");
*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);
if (!*aResult) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
NS_IMETHODIMP
nsSupportsDependentCString::SetData(const nsACString& aData) {
return NS_ERROR_NOT_IMPLEMENTED;
}