зеркало из https://github.com/mozilla/gecko-dev.git
2221 строка
66 KiB
C++
2221 строка
66 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsVariant.h"
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#include "prprf.h"
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#include "prdtoa.h"
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#include <math.h>
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#include "nsCycleCollectionParticipant.h"
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#include "xpt_struct.h"
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#include "nsReadableUtils.h"
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#include "nsMemory.h"
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#include "nsString.h"
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#include "nsCRTGlue.h"
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/***************************************************************************/
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// Helpers for static convert functions...
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static nsresult
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String2Double(const char* aString, double* aResult)
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{
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char* next;
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double value = PR_strtod(aString, &next);
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if (next == aString) {
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return NS_ERROR_CANNOT_CONVERT_DATA;
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}
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*aResult = value;
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return NS_OK;
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}
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static nsresult
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AString2Double(const nsAString& aString, double* aResult)
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{
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char* pChars = ToNewCString(aString);
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if (!pChars) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsresult rv = String2Double(pChars, aResult);
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free(pChars);
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return rv;
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}
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static nsresult
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AUTF8String2Double(const nsAUTF8String& aString, double* aResult)
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{
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return String2Double(PromiseFlatUTF8String(aString).get(), aResult);
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}
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static nsresult
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ACString2Double(const nsACString& aString, double* aResult)
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{
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return String2Double(PromiseFlatCString(aString).get(), aResult);
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}
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// Fills aOutData with double, uint32_t, or int32_t.
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// Returns NS_OK, an error code, or a non-NS_OK success code
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nsresult
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nsDiscriminatedUnion::ToManageableNumber(nsDiscriminatedUnion* aOutData) const
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{
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nsresult rv;
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switch (mType) {
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// This group results in a int32_t...
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#define CASE__NUMBER_INT32(type_, member_) \
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case nsIDataType::type_ : \
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aOutData->u.mInt32Value = u.member_ ; \
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aOutData->mType = nsIDataType::VTYPE_INT32; \
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return NS_OK;
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CASE__NUMBER_INT32(VTYPE_INT8, mInt8Value)
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CASE__NUMBER_INT32(VTYPE_INT16, mInt16Value)
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CASE__NUMBER_INT32(VTYPE_INT32, mInt32Value)
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CASE__NUMBER_INT32(VTYPE_UINT8, mUint8Value)
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CASE__NUMBER_INT32(VTYPE_UINT16, mUint16Value)
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CASE__NUMBER_INT32(VTYPE_BOOL, mBoolValue)
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CASE__NUMBER_INT32(VTYPE_CHAR, mCharValue)
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CASE__NUMBER_INT32(VTYPE_WCHAR, mWCharValue)
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#undef CASE__NUMBER_INT32
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// This group results in a uint32_t...
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case nsIDataType::VTYPE_UINT32:
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aOutData->u.mInt32Value = u.mUint32Value;
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aOutData->mType = nsIDataType::VTYPE_INT32;
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return NS_OK;
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// This group results in a double...
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case nsIDataType::VTYPE_INT64:
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case nsIDataType::VTYPE_UINT64:
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// XXX Need boundary checking here.
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// We may need to return NS_SUCCESS_LOSS_OF_INSIGNIFICANT_DATA
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aOutData->u.mDoubleValue = double(u.mInt64Value);
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aOutData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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case nsIDataType::VTYPE_FLOAT:
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aOutData->u.mDoubleValue = u.mFloatValue;
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aOutData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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case nsIDataType::VTYPE_DOUBLE:
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aOutData->u.mDoubleValue = u.mDoubleValue;
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aOutData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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case nsIDataType::VTYPE_CHAR_STR:
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case nsIDataType::VTYPE_STRING_SIZE_IS:
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rv = String2Double(u.str.mStringValue, &aOutData->u.mDoubleValue);
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if (NS_FAILED(rv)) {
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return rv;
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}
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aOutData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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case nsIDataType::VTYPE_DOMSTRING:
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case nsIDataType::VTYPE_ASTRING:
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rv = AString2Double(*u.mAStringValue, &aOutData->u.mDoubleValue);
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if (NS_FAILED(rv)) {
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return rv;
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}
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aOutData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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case nsIDataType::VTYPE_UTF8STRING:
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rv = AUTF8String2Double(*u.mUTF8StringValue,
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&aOutData->u.mDoubleValue);
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if (NS_FAILED(rv)) {
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return rv;
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}
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aOutData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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case nsIDataType::VTYPE_CSTRING:
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rv = ACString2Double(*u.mCStringValue,
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&aOutData->u.mDoubleValue);
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if (NS_FAILED(rv)) {
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return rv;
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}
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aOutData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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case nsIDataType::VTYPE_WCHAR_STR:
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case nsIDataType::VTYPE_WSTRING_SIZE_IS:
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rv = AString2Double(nsDependentString(u.wstr.mWStringValue),
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&aOutData->u.mDoubleValue);
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if (NS_FAILED(rv)) {
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return rv;
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}
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aOutData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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// This group fails...
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case nsIDataType::VTYPE_VOID:
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case nsIDataType::VTYPE_ID:
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case nsIDataType::VTYPE_INTERFACE:
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case nsIDataType::VTYPE_INTERFACE_IS:
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case nsIDataType::VTYPE_ARRAY:
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case nsIDataType::VTYPE_EMPTY_ARRAY:
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case nsIDataType::VTYPE_EMPTY:
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default:
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return NS_ERROR_CANNOT_CONVERT_DATA;
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}
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}
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/***************************************************************************/
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// Array helpers...
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void
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nsDiscriminatedUnion::FreeArray()
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{
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NS_ASSERTION(mType == nsIDataType::VTYPE_ARRAY, "bad FreeArray call");
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NS_ASSERTION(u.array.mArrayValue, "bad array");
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NS_ASSERTION(u.array.mArrayCount, "bad array count");
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#define CASE__FREE_ARRAY_PTR(type_, ctype_) \
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case nsIDataType::type_ : \
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{ \
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ctype_** p = (ctype_**) u.array.mArrayValue; \
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for (uint32_t i = u.array.mArrayCount; i > 0; p++, i--) \
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if (*p) \
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free((char*)*p); \
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break; \
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}
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#define CASE__FREE_ARRAY_IFACE(type_, ctype_) \
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case nsIDataType::type_ : \
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{ \
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ctype_** p = (ctype_**) u.array.mArrayValue; \
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for (uint32_t i = u.array.mArrayCount; i > 0; p++, i--) \
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if (*p) \
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(*p)->Release(); \
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break; \
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}
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switch (u.array.mArrayType) {
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case nsIDataType::VTYPE_INT8:
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case nsIDataType::VTYPE_INT16:
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case nsIDataType::VTYPE_INT32:
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case nsIDataType::VTYPE_INT64:
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case nsIDataType::VTYPE_UINT8:
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case nsIDataType::VTYPE_UINT16:
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case nsIDataType::VTYPE_UINT32:
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case nsIDataType::VTYPE_UINT64:
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case nsIDataType::VTYPE_FLOAT:
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case nsIDataType::VTYPE_DOUBLE:
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case nsIDataType::VTYPE_BOOL:
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case nsIDataType::VTYPE_CHAR:
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case nsIDataType::VTYPE_WCHAR:
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break;
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// XXX We ASSUME that "array of nsID" means "array of pointers to nsID".
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CASE__FREE_ARRAY_PTR(VTYPE_ID, nsID)
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CASE__FREE_ARRAY_PTR(VTYPE_CHAR_STR, char)
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CASE__FREE_ARRAY_PTR(VTYPE_WCHAR_STR, char16_t)
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CASE__FREE_ARRAY_IFACE(VTYPE_INTERFACE, nsISupports)
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CASE__FREE_ARRAY_IFACE(VTYPE_INTERFACE_IS, nsISupports)
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// The rest are illegal.
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case nsIDataType::VTYPE_VOID:
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case nsIDataType::VTYPE_ASTRING:
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case nsIDataType::VTYPE_DOMSTRING:
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case nsIDataType::VTYPE_UTF8STRING:
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case nsIDataType::VTYPE_CSTRING:
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case nsIDataType::VTYPE_WSTRING_SIZE_IS:
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case nsIDataType::VTYPE_STRING_SIZE_IS:
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case nsIDataType::VTYPE_ARRAY:
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case nsIDataType::VTYPE_EMPTY_ARRAY:
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case nsIDataType::VTYPE_EMPTY:
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default:
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NS_ERROR("bad type in array!");
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break;
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}
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// Free the array memory.
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free((char*)u.array.mArrayValue);
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#undef CASE__FREE_ARRAY_PTR
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#undef CASE__FREE_ARRAY_IFACE
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}
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static nsresult
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CloneArray(uint16_t aInType, const nsIID* aInIID,
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uint32_t aInCount, void* aInValue,
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uint16_t* aOutType, nsIID* aOutIID,
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uint32_t* aOutCount, void** aOutValue)
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{
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NS_ASSERTION(aInCount, "bad param");
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NS_ASSERTION(aInValue, "bad param");
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NS_ASSERTION(aOutType, "bad param");
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NS_ASSERTION(aOutCount, "bad param");
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NS_ASSERTION(aOutValue, "bad param");
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uint32_t allocatedValueCount = 0;
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nsresult rv = NS_OK;
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uint32_t i;
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// First we figure out the size of the elements for the new u.array.
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size_t elementSize;
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size_t allocSize;
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switch (aInType) {
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case nsIDataType::VTYPE_INT8:
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elementSize = sizeof(int8_t);
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break;
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case nsIDataType::VTYPE_INT16:
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elementSize = sizeof(int16_t);
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break;
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case nsIDataType::VTYPE_INT32:
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elementSize = sizeof(int32_t);
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break;
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case nsIDataType::VTYPE_INT64:
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elementSize = sizeof(int64_t);
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break;
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case nsIDataType::VTYPE_UINT8:
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elementSize = sizeof(uint8_t);
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break;
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case nsIDataType::VTYPE_UINT16:
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elementSize = sizeof(uint16_t);
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break;
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case nsIDataType::VTYPE_UINT32:
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elementSize = sizeof(uint32_t);
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break;
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case nsIDataType::VTYPE_UINT64:
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elementSize = sizeof(uint64_t);
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break;
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case nsIDataType::VTYPE_FLOAT:
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elementSize = sizeof(float);
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break;
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case nsIDataType::VTYPE_DOUBLE:
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elementSize = sizeof(double);
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break;
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case nsIDataType::VTYPE_BOOL:
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elementSize = sizeof(bool);
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break;
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case nsIDataType::VTYPE_CHAR:
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elementSize = sizeof(char);
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break;
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case nsIDataType::VTYPE_WCHAR:
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elementSize = sizeof(char16_t);
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break;
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// XXX We ASSUME that "array of nsID" means "array of pointers to nsID".
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case nsIDataType::VTYPE_ID:
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case nsIDataType::VTYPE_CHAR_STR:
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case nsIDataType::VTYPE_WCHAR_STR:
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case nsIDataType::VTYPE_INTERFACE:
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case nsIDataType::VTYPE_INTERFACE_IS:
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elementSize = sizeof(void*);
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break;
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// The rest are illegal.
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case nsIDataType::VTYPE_ASTRING:
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case nsIDataType::VTYPE_DOMSTRING:
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case nsIDataType::VTYPE_UTF8STRING:
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case nsIDataType::VTYPE_CSTRING:
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case nsIDataType::VTYPE_STRING_SIZE_IS:
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case nsIDataType::VTYPE_WSTRING_SIZE_IS:
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case nsIDataType::VTYPE_VOID:
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case nsIDataType::VTYPE_ARRAY:
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case nsIDataType::VTYPE_EMPTY_ARRAY:
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case nsIDataType::VTYPE_EMPTY:
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default:
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NS_ERROR("bad type in array!");
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return NS_ERROR_CANNOT_CONVERT_DATA;
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}
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// Alloc the u.array.
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allocSize = aInCount * elementSize;
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*aOutValue = moz_xmalloc(allocSize);
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if (!*aOutValue) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// Clone the elements.
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switch (aInType) {
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case nsIDataType::VTYPE_INT8:
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case nsIDataType::VTYPE_INT16:
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case nsIDataType::VTYPE_INT32:
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case nsIDataType::VTYPE_INT64:
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case nsIDataType::VTYPE_UINT8:
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case nsIDataType::VTYPE_UINT16:
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case nsIDataType::VTYPE_UINT32:
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case nsIDataType::VTYPE_UINT64:
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case nsIDataType::VTYPE_FLOAT:
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case nsIDataType::VTYPE_DOUBLE:
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case nsIDataType::VTYPE_BOOL:
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case nsIDataType::VTYPE_CHAR:
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case nsIDataType::VTYPE_WCHAR:
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memcpy(*aOutValue, aInValue, allocSize);
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break;
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case nsIDataType::VTYPE_INTERFACE_IS:
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if (aOutIID) {
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*aOutIID = *aInIID;
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}
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MOZ_FALLTHROUGH;
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case nsIDataType::VTYPE_INTERFACE: {
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memcpy(*aOutValue, aInValue, allocSize);
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nsISupports** p = (nsISupports**)*aOutValue;
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for (i = aInCount; i > 0; ++p, --i)
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if (*p) {
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(*p)->AddRef();
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}
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break;
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}
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// XXX We ASSUME that "array of nsID" means "array of pointers to nsID".
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case nsIDataType::VTYPE_ID: {
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nsID** inp = (nsID**)aInValue;
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nsID** outp = (nsID**)*aOutValue;
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for (i = aInCount; i > 0; --i) {
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nsID* idp = *(inp++);
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if (idp) {
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if (!(*(outp++) = (nsID*)nsMemory::Clone((char*)idp, sizeof(nsID)))) {
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goto bad;
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}
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} else {
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*(outp++) = nullptr;
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}
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allocatedValueCount++;
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}
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break;
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}
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case nsIDataType::VTYPE_CHAR_STR: {
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char** inp = (char**)aInValue;
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char** outp = (char**)*aOutValue;
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for (i = aInCount; i > 0; i--) {
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char* str = *(inp++);
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if (str) {
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if (!(*(outp++) = (char*)nsMemory::Clone(
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str, (strlen(str) + 1) * sizeof(char)))) {
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goto bad;
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}
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} else {
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*(outp++) = nullptr;
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}
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allocatedValueCount++;
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}
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break;
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}
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case nsIDataType::VTYPE_WCHAR_STR: {
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char16_t** inp = (char16_t**)aInValue;
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char16_t** outp = (char16_t**)*aOutValue;
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for (i = aInCount; i > 0; i--) {
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char16_t* str = *(inp++);
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if (str) {
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if (!(*(outp++) = (char16_t*)nsMemory::Clone(
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str, (NS_strlen(str) + 1) * sizeof(char16_t)))) {
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goto bad;
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}
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} else {
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*(outp++) = nullptr;
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}
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allocatedValueCount++;
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}
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break;
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}
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// The rest are illegal.
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case nsIDataType::VTYPE_VOID:
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case nsIDataType::VTYPE_ARRAY:
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case nsIDataType::VTYPE_EMPTY_ARRAY:
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case nsIDataType::VTYPE_EMPTY:
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case nsIDataType::VTYPE_ASTRING:
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case nsIDataType::VTYPE_DOMSTRING:
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case nsIDataType::VTYPE_UTF8STRING:
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case nsIDataType::VTYPE_CSTRING:
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case nsIDataType::VTYPE_STRING_SIZE_IS:
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case nsIDataType::VTYPE_WSTRING_SIZE_IS:
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default:
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NS_ERROR("bad type in array!");
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return NS_ERROR_CANNOT_CONVERT_DATA;
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}
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*aOutType = aInType;
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*aOutCount = aInCount;
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return NS_OK;
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bad:
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if (*aOutValue) {
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char** p = (char**)*aOutValue;
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for (i = allocatedValueCount; i > 0; ++p, --i)
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if (*p) {
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free(*p);
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}
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free((char*)*aOutValue);
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*aOutValue = nullptr;
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}
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return rv;
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}
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/***************************************************************************/
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#define TRIVIAL_DATA_CONVERTER(type_, member_, retval_) \
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if (mType == nsIDataType::type_) { \
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*retval_ = u.member_; \
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return NS_OK; \
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}
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|
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#define NUMERIC_CONVERSION_METHOD_BEGIN(type_, Ctype_, name_) \
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nsresult \
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nsDiscriminatedUnion::ConvertTo##name_ (Ctype_* aResult) const \
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|
{ \
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TRIVIAL_DATA_CONVERTER(type_, m##name_##Value, aResult) \
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nsDiscriminatedUnion tempData; \
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nsresult rv = ToManageableNumber(&tempData); \
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/* */ \
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/* NOTE: rv may indicate a success code that we want to preserve */ \
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/* For the final return. So all the return cases below should return */ \
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/* this rv when indicating success. */ \
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/* */ \
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if (NS_FAILED(rv)) \
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return rv; \
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switch(tempData.mType) \
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{
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|
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#define CASE__NUMERIC_CONVERSION_INT32_JUST_CAST(Ctype_) \
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|
case nsIDataType::VTYPE_INT32: \
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*aResult = ( Ctype_ ) tempData.u.mInt32Value; \
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return rv;
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|
|
#define CASE__NUMERIC_CONVERSION_INT32_MIN_MAX(Ctype_, min_, max_) \
|
|
case nsIDataType::VTYPE_INT32: \
|
|
{ \
|
|
int32_t value = tempData.u.mInt32Value; \
|
|
if (value < min_ || value > max_) \
|
|
return NS_ERROR_LOSS_OF_SIGNIFICANT_DATA; \
|
|
*aResult = ( Ctype_ ) value; \
|
|
return rv; \
|
|
}
|
|
|
|
#define CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST(Ctype_) \
|
|
case nsIDataType::VTYPE_UINT32: \
|
|
*aResult = ( Ctype_ ) tempData.u.mUint32Value; \
|
|
return rv;
|
|
|
|
#define CASE__NUMERIC_CONVERSION_UINT32_MAX(Ctype_, max_) \
|
|
case nsIDataType::VTYPE_UINT32: \
|
|
{ \
|
|
uint32_t value = tempData.u.mUint32Value; \
|
|
if (value > max_) \
|
|
return NS_ERROR_LOSS_OF_SIGNIFICANT_DATA; \
|
|
*aResult = ( Ctype_ ) value; \
|
|
return rv; \
|
|
}
|
|
|
|
#define CASE__NUMERIC_CONVERSION_DOUBLE_JUST_CAST(Ctype_) \
|
|
case nsIDataType::VTYPE_DOUBLE: \
|
|
*aResult = ( Ctype_ ) tempData.u.mDoubleValue; \
|
|
return rv;
|
|
|
|
#define CASE__NUMERIC_CONVERSION_DOUBLE_MIN_MAX(Ctype_, min_, max_) \
|
|
case nsIDataType::VTYPE_DOUBLE: \
|
|
{ \
|
|
double value = tempData.u.mDoubleValue; \
|
|
if (value < min_ || value > max_) \
|
|
return NS_ERROR_LOSS_OF_SIGNIFICANT_DATA; \
|
|
*aResult = ( Ctype_ ) value; \
|
|
return rv; \
|
|
}
|
|
|
|
#define CASE__NUMERIC_CONVERSION_DOUBLE_MIN_MAX_INT(Ctype_, min_, max_) \
|
|
case nsIDataType::VTYPE_DOUBLE: \
|
|
{ \
|
|
double value = tempData.u.mDoubleValue; \
|
|
if (value < min_ || value > max_) \
|
|
return NS_ERROR_LOSS_OF_SIGNIFICANT_DATA; \
|
|
*aResult = ( Ctype_ ) value; \
|
|
return (0.0 == fmod(value,1.0)) ? \
|
|
rv : NS_SUCCESS_LOSS_OF_INSIGNIFICANT_DATA; \
|
|
}
|
|
|
|
#define CASES__NUMERIC_CONVERSION_NORMAL(Ctype_, min_, max_) \
|
|
CASE__NUMERIC_CONVERSION_INT32_MIN_MAX(Ctype_, min_, max_) \
|
|
CASE__NUMERIC_CONVERSION_UINT32_MAX(Ctype_, max_) \
|
|
CASE__NUMERIC_CONVERSION_DOUBLE_MIN_MAX_INT(Ctype_, min_, max_)
|
|
|
|
#define NUMERIC_CONVERSION_METHOD_END \
|
|
default: \
|
|
NS_ERROR("bad type returned from ToManageableNumber"); \
|
|
return NS_ERROR_CANNOT_CONVERT_DATA; \
|
|
} \
|
|
}
|
|
|
|
#define NUMERIC_CONVERSION_METHOD_NORMAL(type_, Ctype_, name_, min_, max_) \
|
|
NUMERIC_CONVERSION_METHOD_BEGIN(type_, Ctype_, name_) \
|
|
CASES__NUMERIC_CONVERSION_NORMAL(Ctype_, min_, max_) \
|
|
NUMERIC_CONVERSION_METHOD_END
|
|
|
|
/***************************************************************************/
|
|
// These expand into full public methods...
|
|
|
|
NUMERIC_CONVERSION_METHOD_NORMAL(VTYPE_INT8, uint8_t, Int8, (-127 - 1), 127)
|
|
NUMERIC_CONVERSION_METHOD_NORMAL(VTYPE_INT16, int16_t, Int16, (-32767 - 1), 32767)
|
|
|
|
NUMERIC_CONVERSION_METHOD_BEGIN(VTYPE_INT32, int32_t, Int32)
|
|
CASE__NUMERIC_CONVERSION_INT32_JUST_CAST(int32_t)
|
|
CASE__NUMERIC_CONVERSION_UINT32_MAX(int32_t, 2147483647)
|
|
CASE__NUMERIC_CONVERSION_DOUBLE_MIN_MAX_INT(int32_t, (-2147483647 - 1), 2147483647)
|
|
NUMERIC_CONVERSION_METHOD_END
|
|
|
|
NUMERIC_CONVERSION_METHOD_NORMAL(VTYPE_UINT8, uint8_t, Uint8, 0, 255)
|
|
NUMERIC_CONVERSION_METHOD_NORMAL(VTYPE_UINT16, uint16_t, Uint16, 0, 65535)
|
|
|
|
NUMERIC_CONVERSION_METHOD_BEGIN(VTYPE_UINT32, uint32_t, Uint32)
|
|
CASE__NUMERIC_CONVERSION_INT32_MIN_MAX(uint32_t, 0, 2147483647)
|
|
CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST(uint32_t)
|
|
CASE__NUMERIC_CONVERSION_DOUBLE_MIN_MAX_INT(uint32_t, 0, 4294967295U)
|
|
NUMERIC_CONVERSION_METHOD_END
|
|
|
|
// XXX toFloat convertions need to be fixed!
|
|
NUMERIC_CONVERSION_METHOD_BEGIN(VTYPE_FLOAT, float, Float)
|
|
CASE__NUMERIC_CONVERSION_INT32_JUST_CAST(float)
|
|
CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST(float)
|
|
CASE__NUMERIC_CONVERSION_DOUBLE_JUST_CAST(float)
|
|
NUMERIC_CONVERSION_METHOD_END
|
|
|
|
NUMERIC_CONVERSION_METHOD_BEGIN(VTYPE_DOUBLE, double, Double)
|
|
CASE__NUMERIC_CONVERSION_INT32_JUST_CAST(double)
|
|
CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST(double)
|
|
CASE__NUMERIC_CONVERSION_DOUBLE_JUST_CAST(double)
|
|
NUMERIC_CONVERSION_METHOD_END
|
|
|
|
// XXX toChar convertions need to be fixed!
|
|
NUMERIC_CONVERSION_METHOD_BEGIN(VTYPE_CHAR, char, Char)
|
|
CASE__NUMERIC_CONVERSION_INT32_JUST_CAST(char)
|
|
CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST(char)
|
|
CASE__NUMERIC_CONVERSION_DOUBLE_JUST_CAST(char)
|
|
NUMERIC_CONVERSION_METHOD_END
|
|
|
|
// XXX toWChar convertions need to be fixed!
|
|
NUMERIC_CONVERSION_METHOD_BEGIN(VTYPE_WCHAR, char16_t, WChar)
|
|
CASE__NUMERIC_CONVERSION_INT32_JUST_CAST(char16_t)
|
|
CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST(char16_t)
|
|
CASE__NUMERIC_CONVERSION_DOUBLE_JUST_CAST(char16_t)
|
|
NUMERIC_CONVERSION_METHOD_END
|
|
|
|
#undef NUMERIC_CONVERSION_METHOD_BEGIN
|
|
#undef CASE__NUMERIC_CONVERSION_INT32_JUST_CAST
|
|
#undef CASE__NUMERIC_CONVERSION_INT32_MIN_MAX
|
|
#undef CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST
|
|
#undef CASE__NUMERIC_CONVERSION_UINT32_MIN_MAX
|
|
#undef CASE__NUMERIC_CONVERSION_DOUBLE_JUST_CAST
|
|
#undef CASE__NUMERIC_CONVERSION_DOUBLE_MIN_MAX
|
|
#undef CASE__NUMERIC_CONVERSION_DOUBLE_MIN_MAX_INT
|
|
#undef CASES__NUMERIC_CONVERSION_NORMAL
|
|
#undef NUMERIC_CONVERSION_METHOD_END
|
|
#undef NUMERIC_CONVERSION_METHOD_NORMAL
|
|
|
|
/***************************************************************************/
|
|
|
|
// Just leverage a numeric converter for bool (but restrict the values).
|
|
// XXX Is this really what we want to do?
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToBool(bool* aResult) const
|
|
{
|
|
TRIVIAL_DATA_CONVERTER(VTYPE_BOOL, mBoolValue, aResult)
|
|
|
|
double val;
|
|
nsresult rv = ConvertToDouble(&val);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
*aResult = 0.0 != val;
|
|
return rv;
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToInt64(int64_t* aResult) const
|
|
{
|
|
TRIVIAL_DATA_CONVERTER(VTYPE_INT64, mInt64Value, aResult)
|
|
TRIVIAL_DATA_CONVERTER(VTYPE_UINT64, mUint64Value, aResult)
|
|
|
|
nsDiscriminatedUnion tempData;
|
|
nsresult rv = ToManageableNumber(&tempData);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
switch (tempData.mType) {
|
|
case nsIDataType::VTYPE_INT32:
|
|
*aResult = tempData.u.mInt32Value;
|
|
return rv;
|
|
case nsIDataType::VTYPE_UINT32:
|
|
*aResult = tempData.u.mUint32Value;
|
|
return rv;
|
|
case nsIDataType::VTYPE_DOUBLE:
|
|
// XXX should check for data loss here!
|
|
*aResult = tempData.u.mDoubleValue;
|
|
return rv;
|
|
default:
|
|
NS_ERROR("bad type returned from ToManageableNumber");
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToUint64(uint64_t* aResult) const
|
|
{
|
|
return ConvertToInt64((int64_t*)aResult);
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
bool
|
|
nsDiscriminatedUnion::String2ID(nsID* aPid) const
|
|
{
|
|
nsAutoString tempString;
|
|
nsAString* pString;
|
|
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
return aPid->Parse(u.str.mStringValue);
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
return aPid->Parse(PromiseFlatCString(*u.mCStringValue).get());
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
return aPid->Parse(PromiseFlatUTF8String(*u.mUTF8StringValue).get());
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
pString = u.mAStringValue;
|
|
break;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
tempString.Assign(u.wstr.mWStringValue);
|
|
pString = &tempString;
|
|
break;
|
|
default:
|
|
NS_ERROR("bad type in call to String2ID");
|
|
return false;
|
|
}
|
|
|
|
char* pChars = ToNewCString(*pString);
|
|
if (!pChars) {
|
|
return false;
|
|
}
|
|
bool result = aPid->Parse(pChars);
|
|
free(pChars);
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToID(nsID* aResult) const
|
|
{
|
|
nsID id;
|
|
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_ID:
|
|
*aResult = u.mIDValue;
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
*aResult = NS_GET_IID(nsISupports);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
*aResult = u.iface.mInterfaceID;
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
if (!String2ID(&id)) {
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
*aResult = id;
|
|
return NS_OK;
|
|
default:
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ToString(nsACString& aOutString) const
|
|
{
|
|
char* ptr;
|
|
|
|
switch (mType) {
|
|
// all the stuff we don't handle...
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
NS_ERROR("ToString being called for a string type - screwy logic!");
|
|
MOZ_FALLTHROUGH;
|
|
|
|
// XXX We might want stringified versions of these... ???
|
|
|
|
case nsIDataType::VTYPE_VOID:
|
|
case nsIDataType::VTYPE_EMPTY:
|
|
aOutString.SetIsVoid(true);
|
|
return NS_OK;
|
|
|
|
case nsIDataType::VTYPE_EMPTY_ARRAY:
|
|
case nsIDataType::VTYPE_ARRAY:
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
default:
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
|
|
// nsID has its own text formatter.
|
|
|
|
case nsIDataType::VTYPE_ID:
|
|
ptr = u.mIDValue.ToString();
|
|
if (!ptr) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
aOutString.Assign(ptr);
|
|
free(ptr);
|
|
return NS_OK;
|
|
|
|
// Can't use PR_smprintf for floats, since it's locale-dependent
|
|
#define CASE__APPENDFLOAT_NUMBER(type_, member_) \
|
|
case nsIDataType::type_ : \
|
|
{ \
|
|
nsAutoCString str; \
|
|
str.AppendFloat(u.member_); \
|
|
aOutString.Assign(str); \
|
|
return NS_OK; \
|
|
}
|
|
|
|
CASE__APPENDFLOAT_NUMBER(VTYPE_FLOAT, mFloatValue)
|
|
CASE__APPENDFLOAT_NUMBER(VTYPE_DOUBLE, mDoubleValue)
|
|
|
|
#undef CASE__APPENDFLOAT_NUMBER
|
|
|
|
// the rest can be PR_smprintf'd and use common code.
|
|
|
|
#define CASE__SMPRINTF_NUMBER(type_, format_, cast_, member_) \
|
|
case nsIDataType::type_: \
|
|
ptr = PR_smprintf( format_ , (cast_) u.member_); \
|
|
break;
|
|
|
|
CASE__SMPRINTF_NUMBER(VTYPE_INT8, "%d", int, mInt8Value)
|
|
CASE__SMPRINTF_NUMBER(VTYPE_INT16, "%d", int, mInt16Value)
|
|
CASE__SMPRINTF_NUMBER(VTYPE_INT32, "%d", int, mInt32Value)
|
|
CASE__SMPRINTF_NUMBER(VTYPE_INT64, "%lld", int64_t, mInt64Value)
|
|
|
|
CASE__SMPRINTF_NUMBER(VTYPE_UINT8, "%u", unsigned, mUint8Value)
|
|
CASE__SMPRINTF_NUMBER(VTYPE_UINT16, "%u", unsigned, mUint16Value)
|
|
CASE__SMPRINTF_NUMBER(VTYPE_UINT32, "%u", unsigned, mUint32Value)
|
|
CASE__SMPRINTF_NUMBER(VTYPE_UINT64, "%llu", int64_t, mUint64Value)
|
|
|
|
// XXX Would we rather print "true" / "false" ?
|
|
CASE__SMPRINTF_NUMBER(VTYPE_BOOL, "%d", int, mBoolValue)
|
|
|
|
CASE__SMPRINTF_NUMBER(VTYPE_CHAR, "%c", char, mCharValue)
|
|
|
|
#undef CASE__SMPRINTF_NUMBER
|
|
}
|
|
|
|
if (!ptr) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
aOutString.Assign(ptr);
|
|
PR_smprintf_free(ptr);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToAString(nsAString& aResult) const
|
|
{
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
aResult.Assign(*u.mAStringValue);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
CopyASCIItoUTF16(*u.mCStringValue, aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
CopyUTF8toUTF16(*u.mUTF8StringValue, aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
CopyASCIItoUTF16(u.str.mStringValue, aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
aResult.Assign(u.wstr.mWStringValue);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
CopyASCIItoUTF16(nsDependentCString(u.str.mStringValue,
|
|
u.str.mStringLength),
|
|
aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
aResult.Assign(u.wstr.mWStringValue, u.wstr.mWStringLength);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
aResult.Assign(u.mWCharValue);
|
|
return NS_OK;
|
|
default: {
|
|
nsAutoCString tempCString;
|
|
nsresult rv = ToString(tempCString);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
CopyASCIItoUTF16(tempCString, aResult);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToACString(nsACString& aResult) const
|
|
{
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
LossyCopyUTF16toASCII(*u.mAStringValue, aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
aResult.Assign(*u.mCStringValue);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
// XXX This is an extra copy that should be avoided
|
|
// once Jag lands support for UTF8String and associated
|
|
// conversion methods.
|
|
LossyCopyUTF16toASCII(NS_ConvertUTF8toUTF16(*u.mUTF8StringValue),
|
|
aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
aResult.Assign(*u.str.mStringValue);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
LossyCopyUTF16toASCII(nsDependentString(u.wstr.mWStringValue),
|
|
aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
aResult.Assign(u.str.mStringValue, u.str.mStringLength);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
LossyCopyUTF16toASCII(nsDependentString(u.wstr.mWStringValue,
|
|
u.wstr.mWStringLength),
|
|
aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR: {
|
|
const char16_t* str = &u.mWCharValue;
|
|
LossyCopyUTF16toASCII(Substring(str, 1), aResult);
|
|
return NS_OK;
|
|
}
|
|
default:
|
|
return ToString(aResult);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToAUTF8String(nsAUTF8String& aResult) const
|
|
{
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
CopyUTF16toUTF8(*u.mAStringValue, aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
// XXX Extra copy, can be removed if we're sure CSTRING can
|
|
// only contain ASCII.
|
|
CopyUTF16toUTF8(NS_ConvertASCIItoUTF16(*u.mCStringValue),
|
|
aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
aResult.Assign(*u.mUTF8StringValue);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
// XXX Extra copy, can be removed if we're sure CHAR_STR can
|
|
// only contain ASCII.
|
|
CopyUTF16toUTF8(NS_ConvertASCIItoUTF16(u.str.mStringValue),
|
|
aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
CopyUTF16toUTF8(u.wstr.mWStringValue, aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
// XXX Extra copy, can be removed if we're sure CHAR_STR can
|
|
// only contain ASCII.
|
|
CopyUTF16toUTF8(NS_ConvertASCIItoUTF16(
|
|
nsDependentCString(u.str.mStringValue,
|
|
u.str.mStringLength)), aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
CopyUTF16toUTF8(nsDependentString(u.wstr.mWStringValue,
|
|
u.wstr.mWStringLength),
|
|
aResult);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR: {
|
|
const char16_t* str = &u.mWCharValue;
|
|
CopyUTF16toUTF8(Substring(str, 1), aResult);
|
|
return NS_OK;
|
|
}
|
|
default: {
|
|
nsAutoCString tempCString;
|
|
nsresult rv = ToString(tempCString);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
// XXX Extra copy, can be removed if we're sure tempCString can
|
|
// only contain ASCII.
|
|
CopyUTF16toUTF8(NS_ConvertASCIItoUTF16(tempCString), aResult);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToString(char** aResult) const
|
|
{
|
|
uint32_t ignored;
|
|
return ConvertToStringWithSize(&ignored, aResult);
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToWString(char16_t** aResult) const
|
|
{
|
|
uint32_t ignored;
|
|
return ConvertToWStringWithSize(&ignored, aResult);
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToStringWithSize(uint32_t* aSize, char** aStr) const
|
|
{
|
|
nsAutoString tempString;
|
|
nsAutoCString tempCString;
|
|
nsresult rv;
|
|
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
*aSize = u.mAStringValue->Length();
|
|
*aStr = ToNewCString(*u.mAStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
*aSize = u.mCStringValue->Length();
|
|
*aStr = ToNewCString(*u.mCStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_UTF8STRING: {
|
|
// XXX This is doing 1 extra copy. Need to fix this
|
|
// when Jag lands UTF8String
|
|
// we want:
|
|
// *aSize = *mUTF8StringValue->Length();
|
|
// *aStr = ToNewCString(*mUTF8StringValue);
|
|
// But this will have to do for now.
|
|
const NS_ConvertUTF8toUTF16 tempString16(*u.mUTF8StringValue);
|
|
*aSize = tempString16.Length();
|
|
*aStr = ToNewCString(tempString16);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_CHAR_STR: {
|
|
nsDependentCString cString(u.str.mStringValue);
|
|
*aSize = cString.Length();
|
|
*aStr = ToNewCString(cString);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WCHAR_STR: {
|
|
nsDependentString string(u.wstr.mWStringValue);
|
|
*aSize = string.Length();
|
|
*aStr = ToNewCString(string);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS: {
|
|
nsDependentCString cString(u.str.mStringValue,
|
|
u.str.mStringLength);
|
|
*aSize = cString.Length();
|
|
*aStr = ToNewCString(cString);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS: {
|
|
nsDependentString string(u.wstr.mWStringValue,
|
|
u.wstr.mWStringLength);
|
|
*aSize = string.Length();
|
|
*aStr = ToNewCString(string);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
tempString.Assign(u.mWCharValue);
|
|
*aSize = tempString.Length();
|
|
*aStr = ToNewCString(tempString);
|
|
break;
|
|
default:
|
|
rv = ToString(tempCString);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
*aSize = tempCString.Length();
|
|
*aStr = ToNewCString(tempCString);
|
|
break;
|
|
}
|
|
|
|
return *aStr ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToWStringWithSize(uint32_t* aSize, char16_t** aStr) const
|
|
{
|
|
nsAutoString tempString;
|
|
nsAutoCString tempCString;
|
|
nsresult rv;
|
|
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
*aSize = u.mAStringValue->Length();
|
|
*aStr = ToNewUnicode(*u.mAStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
*aSize = u.mCStringValue->Length();
|
|
*aStr = ToNewUnicode(*u.mCStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_UTF8STRING: {
|
|
*aStr = UTF8ToNewUnicode(*u.mUTF8StringValue, aSize);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_CHAR_STR: {
|
|
nsDependentCString cString(u.str.mStringValue);
|
|
*aSize = cString.Length();
|
|
*aStr = ToNewUnicode(cString);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WCHAR_STR: {
|
|
nsDependentString string(u.wstr.mWStringValue);
|
|
*aSize = string.Length();
|
|
*aStr = ToNewUnicode(string);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS: {
|
|
nsDependentCString cString(u.str.mStringValue,
|
|
u.str.mStringLength);
|
|
*aSize = cString.Length();
|
|
*aStr = ToNewUnicode(cString);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS: {
|
|
nsDependentString string(u.wstr.mWStringValue,
|
|
u.wstr.mWStringLength);
|
|
*aSize = string.Length();
|
|
*aStr = ToNewUnicode(string);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
tempString.Assign(u.mWCharValue);
|
|
*aSize = tempString.Length();
|
|
*aStr = ToNewUnicode(tempString);
|
|
break;
|
|
default:
|
|
rv = ToString(tempCString);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
*aSize = tempCString.Length();
|
|
*aStr = ToNewUnicode(tempCString);
|
|
break;
|
|
}
|
|
|
|
return *aStr ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToISupports(nsISupports** aResult) const
|
|
{
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
if (u.iface.mInterfaceValue) {
|
|
return u.iface.mInterfaceValue->
|
|
QueryInterface(NS_GET_IID(nsISupports), (void**)aResult);
|
|
} else {
|
|
*aResult = nullptr;
|
|
return NS_OK;
|
|
}
|
|
default:
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToInterface(nsIID** aIID,
|
|
void** aInterface) const
|
|
{
|
|
const nsIID* piid;
|
|
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
piid = &NS_GET_IID(nsISupports);
|
|
break;
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
piid = &u.iface.mInterfaceID;
|
|
break;
|
|
default:
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
|
|
*aIID = (nsIID*)nsMemory::Clone(piid, sizeof(nsIID));
|
|
if (!*aIID) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
if (u.iface.mInterfaceValue) {
|
|
return u.iface.mInterfaceValue->QueryInterface(*piid, aInterface);
|
|
}
|
|
|
|
*aInterface = nullptr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::ConvertToArray(uint16_t* aType, nsIID* aIID,
|
|
uint32_t* aCount, void** aPtr) const
|
|
{
|
|
// XXX perhaps we'd like to add support for converting each of the various
|
|
// types into an array containing one element of that type. We can leverage
|
|
// CloneArray to do this if we want to support this.
|
|
|
|
if (mType == nsIDataType::VTYPE_ARRAY) {
|
|
return CloneArray(u.array.mArrayType, &u.array.mArrayInterfaceID,
|
|
u.array.mArrayCount, u.array.mArrayValue,
|
|
aType, aIID, aCount, aPtr);
|
|
}
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
|
|
/***************************************************************************/
|
|
// static setter functions...
|
|
|
|
#define DATA_SETTER_PROLOGUE \
|
|
Cleanup()
|
|
|
|
#define DATA_SETTER_EPILOGUE(type_) \
|
|
mType = nsIDataType::type_;
|
|
|
|
#define DATA_SETTER(type_, member_, value_) \
|
|
DATA_SETTER_PROLOGUE; \
|
|
u.member_ = value_; \
|
|
DATA_SETTER_EPILOGUE(type_)
|
|
|
|
#define DATA_SETTER_WITH_CAST(type_, member_, cast_, value_) \
|
|
DATA_SETTER_PROLOGUE; \
|
|
u.member_ = cast_ value_; \
|
|
DATA_SETTER_EPILOGUE(type_)
|
|
|
|
|
|
/********************************************/
|
|
|
|
#define CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(type_) \
|
|
{ \
|
|
|
|
#define CASE__SET_FROM_VARIANT_VTYPE__GETTER(member_, name_) \
|
|
rv = aValue->GetAs##name_ (&(u.member_ ));
|
|
|
|
#define CASE__SET_FROM_VARIANT_VTYPE__GETTER_CAST(cast_, member_, name_) \
|
|
rv = aValue->GetAs##name_ ( cast_ &(u.member_ ));
|
|
|
|
#define CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(type_) \
|
|
if (NS_SUCCEEDED(rv)) { \
|
|
mType = nsIDataType::type_ ; \
|
|
} \
|
|
break; \
|
|
}
|
|
|
|
#define CASE__SET_FROM_VARIANT_TYPE(type_, member_, name_) \
|
|
case nsIDataType::type_: \
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(type_) \
|
|
CASE__SET_FROM_VARIANT_VTYPE__GETTER(member_, name_) \
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(type_)
|
|
|
|
#define CASE__SET_FROM_VARIANT_VTYPE_CAST(type_, cast_, member_, name_) \
|
|
case nsIDataType::type_ : \
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(type_) \
|
|
CASE__SET_FROM_VARIANT_VTYPE__GETTER_CAST(cast_, member_, name_) \
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(type_)
|
|
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::SetFromVariant(nsIVariant* aValue)
|
|
{
|
|
uint16_t type;
|
|
nsresult rv;
|
|
|
|
Cleanup();
|
|
|
|
rv = aValue->GetDataType(&type);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
switch (type) {
|
|
CASE__SET_FROM_VARIANT_VTYPE_CAST(VTYPE_INT8, (uint8_t*), mInt8Value,
|
|
Int8)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_INT16, mInt16Value, Int16)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_INT32, mInt32Value, Int32)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_UINT8, mUint8Value, Uint8)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_UINT16, mUint16Value, Uint16)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_UINT32, mUint32Value, Uint32)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_FLOAT, mFloatValue, Float)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_DOUBLE, mDoubleValue, Double)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_BOOL , mBoolValue, Bool)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_CHAR, mCharValue, Char)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_WCHAR, mWCharValue, WChar)
|
|
CASE__SET_FROM_VARIANT_TYPE(VTYPE_ID, mIDValue, ID)
|
|
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(VTYPE_ASTRING);
|
|
u.mAStringValue = new nsString();
|
|
if (!u.mAStringValue) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
rv = aValue->GetAsAString(*u.mAStringValue);
|
|
if (NS_FAILED(rv)) {
|
|
delete u.mAStringValue;
|
|
}
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(VTYPE_ASTRING)
|
|
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(VTYPE_CSTRING);
|
|
u.mCStringValue = new nsCString();
|
|
if (!u.mCStringValue) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
rv = aValue->GetAsACString(*u.mCStringValue);
|
|
if (NS_FAILED(rv)) {
|
|
delete u.mCStringValue;
|
|
}
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(VTYPE_CSTRING)
|
|
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(VTYPE_UTF8STRING);
|
|
u.mUTF8StringValue = new nsUTF8String();
|
|
if (!u.mUTF8StringValue) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
rv = aValue->GetAsAUTF8String(*u.mUTF8StringValue);
|
|
if (NS_FAILED(rv)) {
|
|
delete u.mUTF8StringValue;
|
|
}
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(VTYPE_UTF8STRING)
|
|
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(VTYPE_STRING_SIZE_IS);
|
|
rv = aValue->GetAsStringWithSize(&u.str.mStringLength,
|
|
&u.str.mStringValue);
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(VTYPE_STRING_SIZE_IS)
|
|
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(VTYPE_INTERFACE_IS);
|
|
// XXX This iid handling is ugly!
|
|
nsIID* iid;
|
|
rv = aValue->GetAsInterface(&iid, (void**)&u.iface.mInterfaceValue);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
u.iface.mInterfaceID = *iid;
|
|
free((char*)iid);
|
|
}
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(VTYPE_INTERFACE_IS)
|
|
|
|
case nsIDataType::VTYPE_ARRAY:
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(VTYPE_ARRAY);
|
|
rv = aValue->GetAsArray(&u.array.mArrayType,
|
|
&u.array.mArrayInterfaceID,
|
|
&u.array.mArrayCount,
|
|
&u.array.mArrayValue);
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(VTYPE_ARRAY)
|
|
|
|
case nsIDataType::VTYPE_VOID:
|
|
SetToVoid();
|
|
rv = NS_OK;
|
|
break;
|
|
case nsIDataType::VTYPE_EMPTY_ARRAY:
|
|
SetToEmptyArray();
|
|
rv = NS_OK;
|
|
break;
|
|
case nsIDataType::VTYPE_EMPTY:
|
|
SetToEmpty();
|
|
rv = NS_OK;
|
|
break;
|
|
default:
|
|
NS_ERROR("bad type in variant!");
|
|
rv = NS_ERROR_FAILURE;
|
|
break;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
void
|
|
nsDiscriminatedUnion::SetFromInt8(uint8_t aValue)
|
|
{
|
|
DATA_SETTER_WITH_CAST(VTYPE_INT8, mInt8Value, (uint8_t), aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromInt16(int16_t aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_INT16, mInt16Value, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromInt32(int32_t aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_INT32, mInt32Value, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromInt64(int64_t aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_INT64, mInt64Value, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromUint8(uint8_t aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_UINT8, mUint8Value, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromUint16(uint16_t aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_UINT16, mUint16Value, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromUint32(uint32_t aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_UINT32, mUint32Value, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromUint64(uint64_t aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_UINT64, mUint64Value, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromFloat(float aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_FLOAT, mFloatValue, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromDouble(double aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_DOUBLE, mDoubleValue, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromBool(bool aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_BOOL, mBoolValue, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromChar(char aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_CHAR, mCharValue, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromWChar(char16_t aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_WCHAR, mWCharValue, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromID(const nsID& aValue)
|
|
{
|
|
DATA_SETTER(VTYPE_ID, mIDValue, aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromAString(const nsAString& aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
u.mAStringValue = new nsString(aValue);
|
|
DATA_SETTER_EPILOGUE(VTYPE_ASTRING);
|
|
}
|
|
|
|
void
|
|
nsDiscriminatedUnion::SetFromDOMString(const nsAString& aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
u.mAStringValue = new nsString(aValue);
|
|
DATA_SETTER_EPILOGUE(VTYPE_DOMSTRING);
|
|
}
|
|
|
|
void
|
|
nsDiscriminatedUnion::SetFromACString(const nsACString& aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
u.mCStringValue = new nsCString(aValue);
|
|
DATA_SETTER_EPILOGUE(VTYPE_CSTRING);
|
|
}
|
|
|
|
void
|
|
nsDiscriminatedUnion::SetFromAUTF8String(const nsAUTF8String& aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
u.mUTF8StringValue = new nsUTF8String(aValue);
|
|
DATA_SETTER_EPILOGUE(VTYPE_UTF8STRING);
|
|
}
|
|
|
|
nsresult
|
|
nsDiscriminatedUnion::SetFromString(const char* aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
if (!aValue) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
return SetFromStringWithSize(strlen(aValue), aValue);
|
|
}
|
|
nsresult
|
|
nsDiscriminatedUnion::SetFromWString(const char16_t* aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
if (!aValue) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
return SetFromWStringWithSize(NS_strlen(aValue), aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromISupports(nsISupports* aValue)
|
|
{
|
|
return SetFromInterface(NS_GET_IID(nsISupports), aValue);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetFromInterface(const nsIID& aIID, nsISupports* aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
NS_IF_ADDREF(aValue);
|
|
u.iface.mInterfaceValue = aValue;
|
|
u.iface.mInterfaceID = aIID;
|
|
DATA_SETTER_EPILOGUE(VTYPE_INTERFACE_IS);
|
|
}
|
|
nsresult
|
|
nsDiscriminatedUnion::SetFromArray(uint16_t aType, const nsIID* aIID,
|
|
uint32_t aCount, void* aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
if (!aValue || !aCount) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
nsresult rv = CloneArray(aType, aIID, aCount, aValue,
|
|
&u.array.mArrayType,
|
|
&u.array.mArrayInterfaceID,
|
|
&u.array.mArrayCount,
|
|
&u.array.mArrayValue);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
DATA_SETTER_EPILOGUE(VTYPE_ARRAY);
|
|
return NS_OK;
|
|
}
|
|
nsresult
|
|
nsDiscriminatedUnion::SetFromStringWithSize(uint32_t aSize,
|
|
const char* aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
if (!aValue) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (!(u.str.mStringValue =
|
|
(char*)nsMemory::Clone(aValue, (aSize + 1) * sizeof(char)))) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
u.str.mStringLength = aSize;
|
|
DATA_SETTER_EPILOGUE(VTYPE_STRING_SIZE_IS);
|
|
return NS_OK;
|
|
}
|
|
nsresult
|
|
nsDiscriminatedUnion::SetFromWStringWithSize(uint32_t aSize,
|
|
const char16_t* aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
if (!aValue) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (!(u.wstr.mWStringValue =
|
|
(char16_t*)nsMemory::Clone(aValue, (aSize + 1) * sizeof(char16_t)))) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
u.wstr.mWStringLength = aSize;
|
|
DATA_SETTER_EPILOGUE(VTYPE_WSTRING_SIZE_IS);
|
|
return NS_OK;
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::AllocateWStringWithSize(uint32_t aSize)
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
u.wstr.mWStringValue = (char16_t*)moz_xmalloc((aSize + 1) * sizeof(char16_t));
|
|
u.wstr.mWStringValue[aSize] = '\0';
|
|
u.wstr.mWStringLength = aSize;
|
|
DATA_SETTER_EPILOGUE(VTYPE_WSTRING_SIZE_IS);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetToVoid()
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
DATA_SETTER_EPILOGUE(VTYPE_VOID);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetToEmpty()
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
DATA_SETTER_EPILOGUE(VTYPE_EMPTY);
|
|
}
|
|
void
|
|
nsDiscriminatedUnion::SetToEmptyArray()
|
|
{
|
|
DATA_SETTER_PROLOGUE;
|
|
DATA_SETTER_EPILOGUE(VTYPE_EMPTY_ARRAY);
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
void
|
|
nsDiscriminatedUnion::Cleanup()
|
|
{
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_INT8:
|
|
case nsIDataType::VTYPE_INT16:
|
|
case nsIDataType::VTYPE_INT32:
|
|
case nsIDataType::VTYPE_INT64:
|
|
case nsIDataType::VTYPE_UINT8:
|
|
case nsIDataType::VTYPE_UINT16:
|
|
case nsIDataType::VTYPE_UINT32:
|
|
case nsIDataType::VTYPE_UINT64:
|
|
case nsIDataType::VTYPE_FLOAT:
|
|
case nsIDataType::VTYPE_DOUBLE:
|
|
case nsIDataType::VTYPE_BOOL:
|
|
case nsIDataType::VTYPE_CHAR:
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
case nsIDataType::VTYPE_VOID:
|
|
case nsIDataType::VTYPE_ID:
|
|
break;
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
delete u.mAStringValue;
|
|
break;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
delete u.mCStringValue;
|
|
break;
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
delete u.mUTF8StringValue;
|
|
break;
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
free((char*)u.str.mStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
free((char*)u.wstr.mWStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
NS_IF_RELEASE(u.iface.mInterfaceValue);
|
|
break;
|
|
case nsIDataType::VTYPE_ARRAY:
|
|
FreeArray();
|
|
break;
|
|
case nsIDataType::VTYPE_EMPTY_ARRAY:
|
|
case nsIDataType::VTYPE_EMPTY:
|
|
break;
|
|
default:
|
|
NS_ERROR("bad type in variant!");
|
|
break;
|
|
}
|
|
|
|
mType = nsIDataType::VTYPE_EMPTY;
|
|
}
|
|
|
|
void
|
|
nsDiscriminatedUnion::Traverse(nsCycleCollectionTraversalCallback& aCb) const
|
|
{
|
|
switch (mType) {
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(aCb, "mData");
|
|
aCb.NoteXPCOMChild(u.iface.mInterfaceValue);
|
|
break;
|
|
case nsIDataType::VTYPE_ARRAY:
|
|
switch (u.array.mArrayType) {
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS: {
|
|
nsISupports** p = (nsISupports**)u.array.mArrayValue;
|
|
for (uint32_t i = u.array.mArrayCount; i > 0; ++p, --i) {
|
|
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(aCb, "mData[i]");
|
|
aCb.NoteXPCOMChild(*p);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/***************************************************************************/
|
|
/***************************************************************************/
|
|
// members...
|
|
|
|
nsVariantBase::nsVariantBase()
|
|
: mWritable(true)
|
|
{
|
|
#ifdef DEBUG
|
|
{
|
|
// Assert that the nsIDataType consts match the values #defined in
|
|
// xpt_struct.h. Bad things happen somewhere if they don't.
|
|
struct THE_TYPES
|
|
{
|
|
uint16_t a;
|
|
uint16_t b;
|
|
};
|
|
static const THE_TYPES array[] = {
|
|
{nsIDataType::VTYPE_INT8 , TD_INT8 },
|
|
{nsIDataType::VTYPE_INT16 , TD_INT16 },
|
|
{nsIDataType::VTYPE_INT32 , TD_INT32 },
|
|
{nsIDataType::VTYPE_INT64 , TD_INT64 },
|
|
{nsIDataType::VTYPE_UINT8 , TD_UINT8 },
|
|
{nsIDataType::VTYPE_UINT16 , TD_UINT16 },
|
|
{nsIDataType::VTYPE_UINT32 , TD_UINT32 },
|
|
{nsIDataType::VTYPE_UINT64 , TD_UINT64 },
|
|
{nsIDataType::VTYPE_FLOAT , TD_FLOAT },
|
|
{nsIDataType::VTYPE_DOUBLE , TD_DOUBLE },
|
|
{nsIDataType::VTYPE_BOOL , TD_BOOL },
|
|
{nsIDataType::VTYPE_CHAR , TD_CHAR },
|
|
{nsIDataType::VTYPE_WCHAR , TD_WCHAR },
|
|
{nsIDataType::VTYPE_VOID , TD_VOID },
|
|
{nsIDataType::VTYPE_ID , TD_PNSIID },
|
|
{nsIDataType::VTYPE_DOMSTRING , TD_DOMSTRING },
|
|
{nsIDataType::VTYPE_CHAR_STR , TD_PSTRING },
|
|
{nsIDataType::VTYPE_WCHAR_STR , TD_PWSTRING },
|
|
{nsIDataType::VTYPE_INTERFACE , TD_INTERFACE_TYPE },
|
|
{nsIDataType::VTYPE_INTERFACE_IS , TD_INTERFACE_IS_TYPE},
|
|
{nsIDataType::VTYPE_ARRAY , TD_ARRAY },
|
|
{nsIDataType::VTYPE_STRING_SIZE_IS , TD_PSTRING_SIZE_IS },
|
|
{nsIDataType::VTYPE_WSTRING_SIZE_IS , TD_PWSTRING_SIZE_IS },
|
|
{nsIDataType::VTYPE_UTF8STRING , TD_UTF8STRING },
|
|
{nsIDataType::VTYPE_CSTRING , TD_CSTRING },
|
|
{nsIDataType::VTYPE_ASTRING , TD_ASTRING }
|
|
};
|
|
static const int length = sizeof(array) / sizeof(array[0]);
|
|
static bool inited = false;
|
|
if (!inited) {
|
|
for (int i = 0; i < length; ++i) {
|
|
NS_ASSERTION(array[i].a == array[i].b, "bad const declaration");
|
|
}
|
|
inited = true;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// For all the data getters we just forward to the static (and sharable)
|
|
// 'ConvertTo' functions.
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetDataType(uint16_t* aDataType)
|
|
{
|
|
*aDataType = mData.GetType();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsInt8(uint8_t* aResult)
|
|
{
|
|
return mData.ConvertToInt8(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsInt16(int16_t* aResult)
|
|
{
|
|
return mData.ConvertToInt16(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsInt32(int32_t* aResult)
|
|
{
|
|
return mData.ConvertToInt32(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsInt64(int64_t* aResult)
|
|
{
|
|
return mData.ConvertToInt64(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsUint8(uint8_t* aResult)
|
|
{
|
|
return mData.ConvertToUint8(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsUint16(uint16_t* aResult)
|
|
{
|
|
return mData.ConvertToUint16(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsUint32(uint32_t* aResult)
|
|
{
|
|
return mData.ConvertToUint32(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsUint64(uint64_t* aResult)
|
|
{
|
|
return mData.ConvertToUint64(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsFloat(float* aResult)
|
|
{
|
|
return mData.ConvertToFloat(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsDouble(double* aResult)
|
|
{
|
|
return mData.ConvertToDouble(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsBool(bool* aResult)
|
|
{
|
|
return mData.ConvertToBool(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsChar(char* aResult)
|
|
{
|
|
return mData.ConvertToChar(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsWChar(char16_t* aResult)
|
|
{
|
|
return mData.ConvertToWChar(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP_(nsresult)
|
|
nsVariantBase::GetAsID(nsID* aResult)
|
|
{
|
|
return mData.ConvertToID(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsAString(nsAString& aResult)
|
|
{
|
|
return mData.ConvertToAString(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsDOMString(nsAString& aResult)
|
|
{
|
|
// A DOMString maps to an AString internally, so we can re-use
|
|
// ConvertToAString here.
|
|
return mData.ConvertToAString(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsACString(nsACString& aResult)
|
|
{
|
|
return mData.ConvertToACString(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsAUTF8String(nsAUTF8String& aResult)
|
|
{
|
|
return mData.ConvertToAUTF8String(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsString(char** aResult)
|
|
{
|
|
return mData.ConvertToString(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsWString(char16_t** aResult)
|
|
{
|
|
return mData.ConvertToWString(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsISupports(nsISupports** aResult)
|
|
{
|
|
return mData.ConvertToISupports(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsJSVal(JS::MutableHandleValue)
|
|
{
|
|
// Can only get the jsval from an XPCVariant.
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsInterface(nsIID** aIID, void** aInterface)
|
|
{
|
|
return mData.ConvertToInterface(aIID, aInterface);
|
|
}
|
|
|
|
NS_IMETHODIMP_(nsresult)
|
|
nsVariantBase::GetAsArray(uint16_t* aType, nsIID* aIID,
|
|
uint32_t* aCount, void** aPtr)
|
|
{
|
|
return mData.ConvertToArray(aType, aIID, aCount, aPtr);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsStringWithSize(uint32_t* aSize, char** aStr)
|
|
{
|
|
return mData.ConvertToStringWithSize(aSize, aStr);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetAsWStringWithSize(uint32_t* aSize, char16_t** aStr)
|
|
{
|
|
return mData.ConvertToWStringWithSize(aSize, aStr);
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::GetWritable(bool* aWritable)
|
|
{
|
|
*aWritable = mWritable;
|
|
return NS_OK;
|
|
}
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetWritable(bool aWritable)
|
|
{
|
|
if (!mWritable && aWritable) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
mWritable = aWritable;
|
|
return NS_OK;
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
// For all the data setters we just forward to the static (and sharable)
|
|
// 'SetFrom' functions.
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsInt8(uint8_t aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromInt8(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsInt16(int16_t aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromInt16(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsInt32(int32_t aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromInt32(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsInt64(int64_t aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromInt64(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsUint8(uint8_t aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromUint8(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsUint16(uint16_t aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromUint16(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsUint32(uint32_t aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromUint32(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsUint64(uint64_t aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromUint64(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsFloat(float aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromFloat(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsDouble(double aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromDouble(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsBool(bool aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromBool(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsChar(char aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromChar(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsWChar(char16_t aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromWChar(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsID(const nsID& aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromID(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsAString(const nsAString& aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromAString(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsDOMString(const nsAString& aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
|
|
mData.SetFromDOMString(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsACString(const nsACString& aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromACString(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsAUTF8String(const nsAUTF8String& aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromAUTF8String(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsString(const char* aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
return mData.SetFromString(aValue);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsWString(const char16_t* aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
return mData.SetFromWString(aValue);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsISupports(nsISupports* aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromISupports(aValue);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsInterface(const nsIID& aIID, void* aInterface)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetFromInterface(aIID, (nsISupports*)aInterface);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsArray(uint16_t aType, const nsIID* aIID,
|
|
uint32_t aCount, void* aPtr)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
return mData.SetFromArray(aType, aIID, aCount, aPtr);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsStringWithSize(uint32_t aSize, const char* aStr)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
return mData.SetFromStringWithSize(aSize, aStr);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsWStringWithSize(uint32_t aSize, const char16_t* aStr)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
return mData.SetFromWStringWithSize(aSize, aStr);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsVoid()
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetToVoid();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsEmpty()
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetToEmpty();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetAsEmptyArray()
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
mData.SetToEmptyArray();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsVariantBase::SetFromVariant(nsIVariant* aValue)
|
|
{
|
|
if (!mWritable) {
|
|
return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
}
|
|
return mData.SetFromVariant(aValue);
|
|
}
|
|
|
|
/* nsVariant implementation */
|
|
|
|
NS_IMPL_ISUPPORTS(nsVariant, nsIVariant, nsIWritableVariant)
|
|
|
|
|
|
/* nsVariantCC implementation */
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsVariantCC)
|
|
NS_INTERFACE_MAP_ENTRY(nsISupports)
|
|
NS_INTERFACE_MAP_ENTRY(nsIVariant)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWritableVariant)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(nsVariantCC)
|
|
|
|
NS_IMPL_CYCLE_COLLECTING_ADDREF(nsVariantCC)
|
|
NS_IMPL_CYCLE_COLLECTING_RELEASE(nsVariantCC)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsVariantCC)
|
|
tmp->mData.Traverse(cb);
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsVariantCC)
|
|
tmp->mData.Cleanup();
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|