зеркало из https://github.com/mozilla/gecko-dev.git
2120 строки
74 KiB
C++
2120 строки
74 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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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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/* The long avoided variant support for xpcom. */
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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 String2Double(const char* aString, double* retval)
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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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*retval = value;
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return NS_OK;
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}
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static nsresult AString2Double(const nsAString& aString, double* retval)
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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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nsresult rv = String2Double(pChars, retval);
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nsMemory::Free(pChars);
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return rv;
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}
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static nsresult AUTF8String2Double(const nsAUTF8String& aString, double* retval)
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{
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return String2Double(PromiseFlatUTF8String(aString).get(), retval);
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}
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static nsresult ACString2Double(const nsACString& aString, double* retval)
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{
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return String2Double(PromiseFlatCString(aString).get(), retval);
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}
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// Fills outVariant 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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static nsresult ToManageableNumber(const nsDiscriminatedUnion& inData,
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nsDiscriminatedUnion* outData)
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{
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nsresult rv;
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switch(inData.mType)
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{
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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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outData->u.mInt32Value = inData.u. member_ ; \
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outData->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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outData->u.mInt32Value = inData.u.mUint32Value;
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outData->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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outData->u.mDoubleValue = double(inData.u.mInt64Value);
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outData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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case nsIDataType::VTYPE_FLOAT:
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outData->u.mDoubleValue = inData.u.mFloatValue;
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outData->mType = nsIDataType::VTYPE_DOUBLE;
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return NS_OK;
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case nsIDataType::VTYPE_DOUBLE:
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outData->u.mDoubleValue = inData.u.mDoubleValue;
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outData->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(inData.u.str.mStringValue, &outData->u.mDoubleValue);
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if(NS_FAILED(rv))
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return rv;
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outData->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(*inData.u.mAStringValue, &outData->u.mDoubleValue);
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if(NS_FAILED(rv))
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return rv;
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outData->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(*inData.u.mUTF8StringValue,
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&outData->u.mDoubleValue);
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if(NS_FAILED(rv))
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return rv;
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outData->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(*inData.u.mCStringValue,
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&outData->u.mDoubleValue);
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if(NS_FAILED(rv))
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return rv;
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outData->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(inData.u.wstr.mWStringValue),
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&outData->u.mDoubleValue);
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if(NS_FAILED(rv))
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return rv;
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outData->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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static void FreeArray(nsDiscriminatedUnion* data)
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{
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NS_ASSERTION(data->mType == nsIDataType::VTYPE_ARRAY, "bad FreeArray call");
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NS_ASSERTION(data->u.array.mArrayValue, "bad array");
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NS_ASSERTION(data->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_ **) data->u.array.mArrayValue; \
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for(uint32_t i = data->u.array.mArrayCount; i > 0; p++, i--) \
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if(*p) \
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nsMemory::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_ **) data->u.array.mArrayValue; \
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for(uint32_t i = data->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(data->u.array.mArrayType)
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{
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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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nsMemory::Free((char*)data->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 CloneArray(uint16_t inType, const nsIID* inIID,
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uint32_t inCount, void* inValue,
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uint16_t* outType,
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nsIID* outIID,
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uint32_t* outCount,
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void** outValue)
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{
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NS_ASSERTION(inCount, "bad param");
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NS_ASSERTION(inValue, "bad param");
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NS_ASSERTION(outType, "bad param");
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NS_ASSERTION(outCount, "bad param");
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NS_ASSERTION(outValue, "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(inType)
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{
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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 = inCount * elementSize;
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*outValue = nsMemory::Alloc(allocSize);
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if(!*outValue)
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return NS_ERROR_OUT_OF_MEMORY;
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// Clone the elements.
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switch(inType)
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{
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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(*outValue, inValue, allocSize);
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break;
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case nsIDataType::VTYPE_INTERFACE_IS:
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if(outIID)
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*outIID = *inIID;
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// fall through...
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case nsIDataType::VTYPE_INTERFACE:
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{
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memcpy(*outValue, inValue, allocSize);
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nsISupports** p = (nsISupports**) *outValue;
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for(i = inCount; i > 0; p++, i--)
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if(*p)
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(*p)->AddRef();
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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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{
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nsID** inp = (nsID**) inValue;
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nsID** outp = (nsID**) *outValue;
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for(i = inCount; i > 0; i--)
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{
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nsID* idp = *(inp++);
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if(idp)
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{
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if(nullptr == (*(outp++) = (nsID*)
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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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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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{
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char** inp = (char**) inValue;
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char** outp = (char**) *outValue;
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for(i = inCount; i > 0; i--)
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{
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char* str = *(inp++);
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if(str)
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{
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if(nullptr == (*(outp++) = (char*)
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nsMemory::Clone(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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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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{
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char16_t** inp = (char16_t**) inValue;
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char16_t** outp = (char16_t**) *outValue;
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for(i = inCount; i > 0; i--)
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{
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char16_t* str = *(inp++);
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if(str)
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{
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if(nullptr == (*(outp++) = (char16_t*)
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nsMemory::Clone(str,
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(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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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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*outType = inType;
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*outCount = inCount;
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return NS_OK;
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bad:
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if(*outValue)
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{
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char** p = (char**) *outValue;
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for(i = allocatedValueCount; i > 0; p++, i--)
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if(*p)
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nsMemory::Free(*p);
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nsMemory::Free((char*)*outValue);
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*outValue = nullptr;
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}
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return rv;
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}
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/***************************************************************************/
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|
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#define TRIVIAL_DATA_CONVERTER(type_, data_, member_, retval_) \
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if(data_.mType == nsIDataType :: type_) { \
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*retval_ = data_.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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|
/* static */ nsresult \
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nsVariant::ConvertTo##name_ (const nsDiscriminatedUnion& data, \
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Ctype_ *_retval) \
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|
{ \
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TRIVIAL_DATA_CONVERTER(type_, data, m##name_##Value, _retval) \
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nsDiscriminatedUnion tempData; \
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nsVariant::Initialize(&tempData); \
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nsresult rv = ToManageableNumber(data, &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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/* */ \
|
|
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: \
|
|
*_retval = ( Ctype_ ) tempData.u.mInt32Value; \
|
|
return rv;
|
|
|
|
#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; \
|
|
*_retval = ( Ctype_ ) value; \
|
|
return rv; \
|
|
}
|
|
|
|
#define CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST(Ctype_) \
|
|
case nsIDataType::VTYPE_UINT32: \
|
|
*_retval = ( 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; \
|
|
*_retval = ( Ctype_ ) value; \
|
|
return rv; \
|
|
}
|
|
|
|
#define CASE__NUMERIC_CONVERSION_DOUBLE_JUST_CAST(Ctype_) \
|
|
case nsIDataType::VTYPE_DOUBLE: \
|
|
*_retval = ( 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; \
|
|
*_retval = ( 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; \
|
|
*_retval = ( 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?
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToBool(const nsDiscriminatedUnion& data, bool *_retval)
|
|
{
|
|
TRIVIAL_DATA_CONVERTER(VTYPE_BOOL, data, mBoolValue, _retval)
|
|
|
|
double val;
|
|
nsresult rv = nsVariant::ConvertToDouble(data, &val);
|
|
if(NS_FAILED(rv))
|
|
return rv;
|
|
*_retval = 0.0 != val;
|
|
return rv;
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToInt64(const nsDiscriminatedUnion& data, int64_t *_retval)
|
|
{
|
|
TRIVIAL_DATA_CONVERTER(VTYPE_INT64, data, mInt64Value, _retval)
|
|
TRIVIAL_DATA_CONVERTER(VTYPE_UINT64, data, mUint64Value, _retval)
|
|
|
|
nsDiscriminatedUnion tempData;
|
|
nsVariant::Initialize(&tempData);
|
|
nsresult rv = ToManageableNumber(data, &tempData);
|
|
if(NS_FAILED(rv))
|
|
return rv;
|
|
switch(tempData.mType)
|
|
{
|
|
case nsIDataType::VTYPE_INT32:
|
|
*_retval = tempData.u.mInt32Value;
|
|
return rv;
|
|
case nsIDataType::VTYPE_UINT32:
|
|
*_retval = tempData.u.mUint32Value;
|
|
return rv;
|
|
case nsIDataType::VTYPE_DOUBLE:
|
|
// XXX should check for data loss here!
|
|
*_retval = tempData.u.mDoubleValue;
|
|
return rv;
|
|
default:
|
|
NS_ERROR("bad type returned from ToManageableNumber");
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToUint64(const nsDiscriminatedUnion& data, uint64_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToInt64(data, (int64_t *)_retval);
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
static bool String2ID(const nsDiscriminatedUnion& data, nsID* pid)
|
|
{
|
|
nsAutoString tempString;
|
|
nsAString* pString;
|
|
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
return pid->Parse(data.u.str.mStringValue);
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
return pid->Parse(PromiseFlatCString(*data.u.mCStringValue).get());
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
return pid->Parse(PromiseFlatUTF8String(*data.u.mUTF8StringValue).get());
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
pString = data.u.mAStringValue;
|
|
break;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
tempString.Assign(data.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 = pid->Parse(pChars);
|
|
nsMemory::Free(pChars);
|
|
return result;
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToID(const nsDiscriminatedUnion& data, nsID * _retval)
|
|
{
|
|
nsID id;
|
|
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_ID:
|
|
*_retval = data.u.mIDValue;
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
*_retval = NS_GET_IID(nsISupports);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
*_retval = data.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(data, &id))
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
*_retval = id;
|
|
return NS_OK;
|
|
default:
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
static nsresult ToString(const nsDiscriminatedUnion& data,
|
|
nsACString & outString)
|
|
{
|
|
char* ptr;
|
|
|
|
switch(data.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!");
|
|
// fall through...
|
|
|
|
// XXX We might want stringified versions of these... ???
|
|
|
|
case nsIDataType::VTYPE_VOID:
|
|
case nsIDataType::VTYPE_EMPTY:
|
|
outString.Truncate();
|
|
outString.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 = data.u.mIDValue.ToString();
|
|
if(!ptr)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
outString.Assign(ptr);
|
|
nsMemory::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(data.u. member_); \
|
|
outString.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_) data.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;
|
|
outString.Assign(ptr);
|
|
PR_smprintf_free(ptr);
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToAString(const nsDiscriminatedUnion& data,
|
|
nsAString & _retval)
|
|
{
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
_retval.Assign(*data.u.mAStringValue);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
CopyASCIItoUTF16(*data.u.mCStringValue, _retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
CopyUTF8toUTF16(*data.u.mUTF8StringValue, _retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
CopyASCIItoUTF16(data.u.str.mStringValue, _retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
_retval.Assign(data.u.wstr.mWStringValue);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
CopyASCIItoUTF16(nsDependentCString(data.u.str.mStringValue,
|
|
data.u.str.mStringLength),
|
|
_retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
_retval.Assign(data.u.wstr.mWStringValue, data.u.wstr.mWStringLength);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
_retval.Assign(data.u.mWCharValue);
|
|
return NS_OK;
|
|
default:
|
|
{
|
|
nsAutoCString tempCString;
|
|
nsresult rv = ToString(data, tempCString);
|
|
if(NS_FAILED(rv))
|
|
return rv;
|
|
CopyASCIItoUTF16(tempCString, _retval);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToACString(const nsDiscriminatedUnion& data,
|
|
nsACString & _retval)
|
|
{
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
LossyCopyUTF16toASCII(*data.u.mAStringValue, _retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
_retval.Assign(*data.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(*data.u.mUTF8StringValue),
|
|
_retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
_retval.Assign(*data.u.str.mStringValue);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
LossyCopyUTF16toASCII(nsDependentString(data.u.wstr.mWStringValue),
|
|
_retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
_retval.Assign(data.u.str.mStringValue, data.u.str.mStringLength);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
LossyCopyUTF16toASCII(nsDependentString(data.u.wstr.mWStringValue,
|
|
data.u.wstr.mWStringLength), _retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
{
|
|
const char16_t* str = &data.u.mWCharValue;
|
|
LossyCopyUTF16toASCII(Substring(str, 1), _retval);
|
|
return NS_OK;
|
|
}
|
|
default:
|
|
return ToString(data, _retval);
|
|
}
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToAUTF8String(const nsDiscriminatedUnion& data,
|
|
nsAUTF8String & _retval)
|
|
{
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
CopyUTF16toUTF8(*data.u.mAStringValue, _retval);
|
|
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(*data.u.mCStringValue),
|
|
_retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
_retval.Assign(*data.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(data.u.str.mStringValue),
|
|
_retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
CopyUTF16toUTF8(data.u.wstr.mWStringValue, _retval);
|
|
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(data.u.str.mStringValue,
|
|
data.u.str.mStringLength)), _retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
CopyUTF16toUTF8(nsDependentString(data.u.wstr.mWStringValue,
|
|
data.u.wstr.mWStringLength),
|
|
_retval);
|
|
return NS_OK;
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
{
|
|
const char16_t* str = &data.u.mWCharValue;
|
|
CopyUTF16toUTF8(Substring(str, 1), _retval);
|
|
return NS_OK;
|
|
}
|
|
default:
|
|
{
|
|
nsAutoCString tempCString;
|
|
nsresult rv = ToString(data, 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), _retval);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToString(const nsDiscriminatedUnion& data, char **_retval)
|
|
{
|
|
uint32_t ignored;
|
|
return nsVariant::ConvertToStringWithSize(data, &ignored, _retval);
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToWString(const nsDiscriminatedUnion& data, char16_t **_retval)
|
|
{
|
|
uint32_t ignored;
|
|
return nsVariant::ConvertToWStringWithSize(data, &ignored, _retval);
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToStringWithSize(const nsDiscriminatedUnion& data,
|
|
uint32_t *size, char **str)
|
|
{
|
|
nsAutoString tempString;
|
|
nsAutoCString tempCString;
|
|
nsresult rv;
|
|
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
*size = data.u.mAStringValue->Length();
|
|
*str = ToNewCString(*data.u.mAStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
*size = data.u.mCStringValue->Length();
|
|
*str = ToNewCString(*data.u.mCStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
{
|
|
// XXX This is doing 1 extra copy. Need to fix this
|
|
// when Jag lands UTF8String
|
|
// we want:
|
|
// *size = *data.mUTF8StringValue->Length();
|
|
// *str = ToNewCString(*data.mUTF8StringValue);
|
|
// But this will have to do for now.
|
|
NS_ConvertUTF8toUTF16 tempString(*data.u.mUTF8StringValue);
|
|
*size = tempString.Length();
|
|
*str = ToNewCString(tempString);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
{
|
|
nsDependentCString cString(data.u.str.mStringValue);
|
|
*size = cString.Length();
|
|
*str = ToNewCString(cString);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
{
|
|
nsDependentString string(data.u.wstr.mWStringValue);
|
|
*size = string.Length();
|
|
*str = ToNewCString(string);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
{
|
|
nsDependentCString cString(data.u.str.mStringValue,
|
|
data.u.str.mStringLength);
|
|
*size = cString.Length();
|
|
*str = ToNewCString(cString);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
{
|
|
nsDependentString string(data.u.wstr.mWStringValue,
|
|
data.u.wstr.mWStringLength);
|
|
*size = string.Length();
|
|
*str = ToNewCString(string);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
tempString.Assign(data.u.mWCharValue);
|
|
*size = tempString.Length();
|
|
*str = ToNewCString(tempString);
|
|
break;
|
|
default:
|
|
rv = ToString(data, tempCString);
|
|
if(NS_FAILED(rv))
|
|
return rv;
|
|
*size = tempCString.Length();
|
|
*str = ToNewCString(tempCString);
|
|
break;
|
|
}
|
|
|
|
return *str ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToWStringWithSize(const nsDiscriminatedUnion& data,
|
|
uint32_t *size, char16_t **str)
|
|
{
|
|
nsAutoString tempString;
|
|
nsAutoCString tempCString;
|
|
nsresult rv;
|
|
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_ASTRING:
|
|
case nsIDataType::VTYPE_DOMSTRING:
|
|
*size = data.u.mAStringValue->Length();
|
|
*str = ToNewUnicode(*data.u.mAStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
*size = data.u.mCStringValue->Length();
|
|
*str = ToNewUnicode(*data.u.mCStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
{
|
|
*str = UTF8ToNewUnicode(*data.u.mUTF8StringValue, size);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
{
|
|
nsDependentCString cString(data.u.str.mStringValue);
|
|
*size = cString.Length();
|
|
*str = ToNewUnicode(cString);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
{
|
|
nsDependentString string(data.u.wstr.mWStringValue);
|
|
*size = string.Length();
|
|
*str = ToNewUnicode(string);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
{
|
|
nsDependentCString cString(data.u.str.mStringValue,
|
|
data.u.str.mStringLength);
|
|
*size = cString.Length();
|
|
*str = ToNewUnicode(cString);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
{
|
|
nsDependentString string(data.u.wstr.mWStringValue,
|
|
data.u.wstr.mWStringLength);
|
|
*size = string.Length();
|
|
*str = ToNewUnicode(string);
|
|
break;
|
|
}
|
|
case nsIDataType::VTYPE_WCHAR:
|
|
tempString.Assign(data.u.mWCharValue);
|
|
*size = tempString.Length();
|
|
*str = ToNewUnicode(tempString);
|
|
break;
|
|
default:
|
|
rv = ToString(data, tempCString);
|
|
if(NS_FAILED(rv))
|
|
return rv;
|
|
*size = tempCString.Length();
|
|
*str = ToNewUnicode(tempCString);
|
|
break;
|
|
}
|
|
|
|
return *str ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToISupports(const nsDiscriminatedUnion& data,
|
|
nsISupports **_retval)
|
|
{
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
if (data.u.iface.mInterfaceValue) {
|
|
return data.u.iface.mInterfaceValue->
|
|
QueryInterface(NS_GET_IID(nsISupports), (void**)_retval);
|
|
} else {
|
|
*_retval = nullptr;
|
|
return NS_OK;
|
|
}
|
|
default:
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToInterface(const nsDiscriminatedUnion& data, nsIID * *iid,
|
|
void * *iface)
|
|
{
|
|
const nsIID* piid;
|
|
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
piid = &NS_GET_IID(nsISupports);
|
|
break;
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
piid = &data.u.iface.mInterfaceID;
|
|
break;
|
|
default:
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
|
|
*iid = (nsIID*) nsMemory::Clone(piid, sizeof(nsIID));
|
|
if(!*iid)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
if (data.u.iface.mInterfaceValue) {
|
|
return data.u.iface.mInterfaceValue->QueryInterface(*piid, iface);
|
|
}
|
|
|
|
*iface = nullptr;
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::ConvertToArray(const nsDiscriminatedUnion& data, uint16_t *type,
|
|
nsIID* iid, uint32_t *count, void * *ptr)
|
|
{
|
|
// 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(data.mType == nsIDataType::VTYPE_ARRAY)
|
|
return CloneArray(data.u.array.mArrayType, &data.u.array.mArrayInterfaceID,
|
|
data.u.array.mArrayCount, data.u.array.mArrayValue,
|
|
type, iid, count, ptr);
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
|
|
/***************************************************************************/
|
|
// static setter functions...
|
|
|
|
#define DATA_SETTER_PROLOGUE(data_) \
|
|
nsVariant::Cleanup(data_);
|
|
|
|
#define DATA_SETTER_EPILOGUE(data_, type_) \
|
|
data_->mType = nsIDataType :: type_; \
|
|
return NS_OK;
|
|
|
|
#define DATA_SETTER(data_, type_, member_, value_) \
|
|
DATA_SETTER_PROLOGUE(data_) \
|
|
data_->u.member_ = value_; \
|
|
DATA_SETTER_EPILOGUE(data_, type_)
|
|
|
|
#define DATA_SETTER_WITH_CAST(data_, type_, member_, cast_, value_) \
|
|
DATA_SETTER_PROLOGUE(data_) \
|
|
data_->u.member_ = cast_ value_; \
|
|
DATA_SETTER_EPILOGUE(data_, type_)
|
|
|
|
|
|
/********************************************/
|
|
|
|
#define CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(type_) \
|
|
{ \
|
|
|
|
#define CASE__SET_FROM_VARIANT_VTYPE__GETTER(member_, name_) \
|
|
rv = aValue->GetAs##name_ (&(data->u. member_ ));
|
|
|
|
#define CASE__SET_FROM_VARIANT_VTYPE__GETTER_CAST(cast_, member_, name_) \
|
|
rv = aValue->GetAs##name_ ( cast_ &(data->u. member_ ));
|
|
|
|
#define CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(type_) \
|
|
if(NS_SUCCEEDED(rv)) \
|
|
{ \
|
|
data->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_)
|
|
|
|
|
|
/* static */ nsresult
|
|
nsVariant::SetFromVariant(nsDiscriminatedUnion* data, nsIVariant* aValue)
|
|
{
|
|
uint16_t type;
|
|
nsresult rv;
|
|
|
|
nsVariant::Cleanup(data);
|
|
|
|
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);
|
|
data->u.mAStringValue = new nsString();
|
|
if(!data->u.mAStringValue)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
rv = aValue->GetAsAString(*data->u.mAStringValue);
|
|
if(NS_FAILED(rv))
|
|
delete data->u.mAStringValue;
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(VTYPE_ASTRING)
|
|
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(VTYPE_CSTRING);
|
|
data->u.mCStringValue = new nsCString();
|
|
if(!data->u.mCStringValue)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
rv = aValue->GetAsACString(*data->u.mCStringValue);
|
|
if(NS_FAILED(rv))
|
|
delete data->u.mCStringValue;
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(VTYPE_CSTRING)
|
|
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
CASE__SET_FROM_VARIANT_VTYPE_PROLOGUE(VTYPE_UTF8STRING);
|
|
data->u.mUTF8StringValue = new nsUTF8String();
|
|
if(!data->u.mUTF8StringValue)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
rv = aValue->GetAsAUTF8String(*data->u.mUTF8StringValue);
|
|
if(NS_FAILED(rv))
|
|
delete data->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(&data->u.str.mStringLength,
|
|
&data->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**)&data->u.iface.mInterfaceValue);
|
|
if(NS_SUCCEEDED(rv))
|
|
{
|
|
data->u.iface.mInterfaceID = *iid;
|
|
nsMemory::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(&data->u.array.mArrayType,
|
|
&data->u.array.mArrayInterfaceID,
|
|
&data->u.array.mArrayCount,
|
|
&data->u.array.mArrayValue);
|
|
CASE__SET_FROM_VARIANT_VTYPE_EPILOGUE(VTYPE_ARRAY)
|
|
|
|
case nsIDataType::VTYPE_VOID:
|
|
rv = nsVariant::SetToVoid(data);
|
|
break;
|
|
case nsIDataType::VTYPE_EMPTY_ARRAY:
|
|
rv = nsVariant::SetToEmptyArray(data);
|
|
break;
|
|
case nsIDataType::VTYPE_EMPTY:
|
|
rv = nsVariant::SetToEmpty(data);
|
|
break;
|
|
default:
|
|
NS_ERROR("bad type in variant!");
|
|
rv = NS_ERROR_FAILURE;
|
|
break;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::SetFromInt8(nsDiscriminatedUnion* data, uint8_t aValue)
|
|
{
|
|
DATA_SETTER_WITH_CAST(data, VTYPE_INT8, mInt8Value, (uint8_t), aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromInt16(nsDiscriminatedUnion* data, int16_t aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_INT16, mInt16Value, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromInt32(nsDiscriminatedUnion* data, int32_t aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_INT32, mInt32Value, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromInt64(nsDiscriminatedUnion* data, int64_t aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_INT64, mInt64Value, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromUint8(nsDiscriminatedUnion* data, uint8_t aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_UINT8, mUint8Value, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromUint16(nsDiscriminatedUnion* data, uint16_t aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_UINT16, mUint16Value, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromUint32(nsDiscriminatedUnion* data, uint32_t aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_UINT32, mUint32Value, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromUint64(nsDiscriminatedUnion* data, uint64_t aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_UINT64, mUint64Value, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromFloat(nsDiscriminatedUnion* data, float aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_FLOAT, mFloatValue, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromDouble(nsDiscriminatedUnion* data, double aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_DOUBLE, mDoubleValue, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromBool(nsDiscriminatedUnion* data, bool aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_BOOL, mBoolValue, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromChar(nsDiscriminatedUnion* data, char aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_CHAR, mCharValue, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromWChar(nsDiscriminatedUnion* data, char16_t aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_WCHAR, mWCharValue, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromID(nsDiscriminatedUnion* data, const nsID & aValue)
|
|
{
|
|
DATA_SETTER(data, VTYPE_ID, mIDValue, aValue)
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromAString(nsDiscriminatedUnion* data, const nsAString & aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
if(!(data->u.mAStringValue = new nsString(aValue)))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_ASTRING);
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::SetFromACString(nsDiscriminatedUnion* data,
|
|
const nsACString & aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
if(!(data->u.mCStringValue = new nsCString(aValue)))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_CSTRING);
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::SetFromAUTF8String(nsDiscriminatedUnion* data,
|
|
const nsAUTF8String & aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
if(!(data->u.mUTF8StringValue = new nsUTF8String(aValue)))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_UTF8STRING);
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::SetFromString(nsDiscriminatedUnion* data, const char *aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
if(!aValue)
|
|
return NS_ERROR_NULL_POINTER;
|
|
return SetFromStringWithSize(data, strlen(aValue), aValue);
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromWString(nsDiscriminatedUnion* data, const char16_t *aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
if(!aValue)
|
|
return NS_ERROR_NULL_POINTER;
|
|
return SetFromWStringWithSize(data, NS_strlen(aValue), aValue);
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromISupports(nsDiscriminatedUnion* data, nsISupports *aValue)
|
|
{
|
|
return SetFromInterface(data, NS_GET_IID(nsISupports), aValue);
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromInterface(nsDiscriminatedUnion* data, const nsIID& iid,
|
|
nsISupports *aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
NS_IF_ADDREF(aValue);
|
|
data->u.iface.mInterfaceValue = aValue;
|
|
data->u.iface.mInterfaceID = iid;
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_INTERFACE_IS);
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromArray(nsDiscriminatedUnion* data, uint16_t type,
|
|
const nsIID* iid, uint32_t count, void * aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
if(!aValue || !count)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult rv = CloneArray(type, iid, count, aValue,
|
|
&data->u.array.mArrayType,
|
|
&data->u.array.mArrayInterfaceID,
|
|
&data->u.array.mArrayCount,
|
|
&data->u.array.mArrayValue);
|
|
if(NS_FAILED(rv))
|
|
return rv;
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_ARRAY);
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromStringWithSize(nsDiscriminatedUnion* data, uint32_t size, const char *aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
if(!aValue)
|
|
return NS_ERROR_NULL_POINTER;
|
|
if(!(data->u.str.mStringValue =
|
|
(char*) nsMemory::Clone(aValue, (size+1)*sizeof(char))))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
data->u.str.mStringLength = size;
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_STRING_SIZE_IS);
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetFromWStringWithSize(nsDiscriminatedUnion* data, uint32_t size, const char16_t *aValue)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
if(!aValue)
|
|
return NS_ERROR_NULL_POINTER;
|
|
if(!(data->u.wstr.mWStringValue =
|
|
(char16_t*) nsMemory::Clone(aValue, (size+1)*sizeof(char16_t))))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
data->u.wstr.mWStringLength = size;
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_WSTRING_SIZE_IS);
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetToVoid(nsDiscriminatedUnion* data)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_VOID);
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetToEmpty(nsDiscriminatedUnion* data)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_EMPTY);
|
|
}
|
|
/* static */ nsresult
|
|
nsVariant::SetToEmptyArray(nsDiscriminatedUnion* data)
|
|
{
|
|
DATA_SETTER_PROLOGUE(data);
|
|
DATA_SETTER_EPILOGUE(data, VTYPE_EMPTY_ARRAY);
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
/* static */ nsresult
|
|
nsVariant::Initialize(nsDiscriminatedUnion* data)
|
|
{
|
|
data->mType = nsIDataType::VTYPE_EMPTY;
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsVariant::Cleanup(nsDiscriminatedUnion* data)
|
|
{
|
|
switch(data->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 data->u.mAStringValue;
|
|
break;
|
|
case nsIDataType::VTYPE_CSTRING:
|
|
delete data->u.mCStringValue;
|
|
break;
|
|
case nsIDataType::VTYPE_UTF8STRING:
|
|
delete data->u.mUTF8StringValue;
|
|
break;
|
|
case nsIDataType::VTYPE_CHAR_STR:
|
|
case nsIDataType::VTYPE_STRING_SIZE_IS:
|
|
nsMemory::Free((char*)data->u.str.mStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_WCHAR_STR:
|
|
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
|
|
nsMemory::Free((char*)data->u.wstr.mWStringValue);
|
|
break;
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
NS_IF_RELEASE(data->u.iface.mInterfaceValue);
|
|
break;
|
|
case nsIDataType::VTYPE_ARRAY:
|
|
FreeArray(data);
|
|
break;
|
|
case nsIDataType::VTYPE_EMPTY_ARRAY:
|
|
case nsIDataType::VTYPE_EMPTY:
|
|
break;
|
|
default:
|
|
NS_ERROR("bad type in variant!");
|
|
break;
|
|
}
|
|
|
|
data->mType = nsIDataType::VTYPE_EMPTY;
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */ void
|
|
nsVariant::Traverse(const nsDiscriminatedUnion& data,
|
|
nsCycleCollectionTraversalCallback &cb)
|
|
{
|
|
switch(data.mType)
|
|
{
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mData");
|
|
cb.NoteXPCOMChild(data.u.iface.mInterfaceValue);
|
|
break;
|
|
case nsIDataType::VTYPE_ARRAY:
|
|
switch(data.u.array.mArrayType) {
|
|
case nsIDataType::VTYPE_INTERFACE:
|
|
case nsIDataType::VTYPE_INTERFACE_IS:
|
|
{
|
|
nsISupports** p = (nsISupports**) data.u.array.mArrayValue;
|
|
for(uint32_t i = data.u.array.mArrayCount; i > 0; p++, i--) {
|
|
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mData[i]");
|
|
cb.NoteXPCOMChild(*p);
|
|
}
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/***************************************************************************/
|
|
/***************************************************************************/
|
|
// members...
|
|
|
|
NS_IMPL_ISUPPORTS(nsVariant, nsIVariant, nsIWritableVariant)
|
|
|
|
nsVariant::nsVariant()
|
|
: mWritable(true)
|
|
{
|
|
nsVariant::Initialize(&mData);
|
|
|
|
#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
|
|
}
|
|
|
|
nsVariant::~nsVariant()
|
|
{
|
|
nsVariant::Cleanup(&mData);
|
|
}
|
|
|
|
// For all the data getters we just forward to the static (and sharable)
|
|
// 'ConvertTo' functions.
|
|
|
|
/* readonly attribute uint16_t dataType; */
|
|
NS_IMETHODIMP nsVariant::GetDataType(uint16_t *aDataType)
|
|
{
|
|
*aDataType = mData.mType;
|
|
return NS_OK;
|
|
}
|
|
|
|
/* uint8_t getAsInt8 (); */
|
|
NS_IMETHODIMP nsVariant::GetAsInt8(uint8_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToInt8(mData, _retval);
|
|
}
|
|
|
|
/* int16_t getAsInt16 (); */
|
|
NS_IMETHODIMP nsVariant::GetAsInt16(int16_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToInt16(mData, _retval);
|
|
}
|
|
|
|
/* int32_t getAsInt32 (); */
|
|
NS_IMETHODIMP nsVariant::GetAsInt32(int32_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToInt32(mData, _retval);
|
|
}
|
|
|
|
/* int64_t getAsInt64 (); */
|
|
NS_IMETHODIMP nsVariant::GetAsInt64(int64_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToInt64(mData, _retval);
|
|
}
|
|
|
|
/* uint8_t getAsUint8 (); */
|
|
NS_IMETHODIMP nsVariant::GetAsUint8(uint8_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToUint8(mData, _retval);
|
|
}
|
|
|
|
/* uint16_t getAsUint16 (); */
|
|
NS_IMETHODIMP nsVariant::GetAsUint16(uint16_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToUint16(mData, _retval);
|
|
}
|
|
|
|
/* uint32_t getAsUint32 (); */
|
|
NS_IMETHODIMP nsVariant::GetAsUint32(uint32_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToUint32(mData, _retval);
|
|
}
|
|
|
|
/* uint64_t getAsUint64 (); */
|
|
NS_IMETHODIMP nsVariant::GetAsUint64(uint64_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToUint64(mData, _retval);
|
|
}
|
|
|
|
/* float getAsFloat (); */
|
|
NS_IMETHODIMP nsVariant::GetAsFloat(float *_retval)
|
|
{
|
|
return nsVariant::ConvertToFloat(mData, _retval);
|
|
}
|
|
|
|
/* double getAsDouble (); */
|
|
NS_IMETHODIMP nsVariant::GetAsDouble(double *_retval)
|
|
{
|
|
return nsVariant::ConvertToDouble(mData, _retval);
|
|
}
|
|
|
|
/* bool getAsBool (); */
|
|
NS_IMETHODIMP nsVariant::GetAsBool(bool *_retval)
|
|
{
|
|
return nsVariant::ConvertToBool(mData, _retval);
|
|
}
|
|
|
|
/* char getAsChar (); */
|
|
NS_IMETHODIMP nsVariant::GetAsChar(char *_retval)
|
|
{
|
|
return nsVariant::ConvertToChar(mData, _retval);
|
|
}
|
|
|
|
/* wchar getAsWChar (); */
|
|
NS_IMETHODIMP nsVariant::GetAsWChar(char16_t *_retval)
|
|
{
|
|
return nsVariant::ConvertToWChar(mData, _retval);
|
|
}
|
|
|
|
/* [notxpcom] nsresult getAsID (out nsID retval); */
|
|
NS_IMETHODIMP_(nsresult) nsVariant::GetAsID(nsID *retval)
|
|
{
|
|
return nsVariant::ConvertToID(mData, retval);
|
|
}
|
|
|
|
/* AString getAsAString (); */
|
|
NS_IMETHODIMP nsVariant::GetAsAString(nsAString & _retval)
|
|
{
|
|
return nsVariant::ConvertToAString(mData, _retval);
|
|
}
|
|
|
|
/* DOMString getAsDOMString (); */
|
|
NS_IMETHODIMP nsVariant::GetAsDOMString(nsAString & _retval)
|
|
{
|
|
// A DOMString maps to an AString internally, so we can re-use
|
|
// ConvertToAString here.
|
|
return nsVariant::ConvertToAString(mData, _retval);
|
|
}
|
|
|
|
/* ACString getAsACString (); */
|
|
NS_IMETHODIMP nsVariant::GetAsACString(nsACString & _retval)
|
|
{
|
|
return nsVariant::ConvertToACString(mData, _retval);
|
|
}
|
|
|
|
/* AUTF8String getAsAUTF8String (); */
|
|
NS_IMETHODIMP nsVariant::GetAsAUTF8String(nsAUTF8String & _retval)
|
|
{
|
|
return nsVariant::ConvertToAUTF8String(mData, _retval);
|
|
}
|
|
|
|
/* string getAsString (); */
|
|
NS_IMETHODIMP nsVariant::GetAsString(char **_retval)
|
|
{
|
|
return nsVariant::ConvertToString(mData, _retval);
|
|
}
|
|
|
|
/* wstring getAsWString (); */
|
|
NS_IMETHODIMP nsVariant::GetAsWString(char16_t **_retval)
|
|
{
|
|
return nsVariant::ConvertToWString(mData, _retval);
|
|
}
|
|
|
|
/* nsISupports getAsISupports (); */
|
|
NS_IMETHODIMP nsVariant::GetAsISupports(nsISupports **_retval)
|
|
{
|
|
return nsVariant::ConvertToISupports(mData, _retval);
|
|
}
|
|
|
|
/* jsval getAsJSVal() */
|
|
NS_IMETHODIMP nsVariant::GetAsJSVal(JS::MutableHandleValue)
|
|
{
|
|
// Can only get the jsval from an XPCVariant.
|
|
return NS_ERROR_CANNOT_CONVERT_DATA;
|
|
}
|
|
|
|
/* void getAsInterface (out nsIIDPtr iid, [iid_is (iid), retval] out nsQIResult iface); */
|
|
NS_IMETHODIMP nsVariant::GetAsInterface(nsIID * *iid, void * *iface)
|
|
{
|
|
return nsVariant::ConvertToInterface(mData, iid, iface);
|
|
}
|
|
|
|
/* [notxpcom] nsresult getAsArray (out uint16_t type, out nsIID iid, out uint32_t count, out voidPtr ptr); */
|
|
NS_IMETHODIMP_(nsresult) nsVariant::GetAsArray(uint16_t *type, nsIID *iid, uint32_t *count, void * *ptr)
|
|
{
|
|
return nsVariant::ConvertToArray(mData, type, iid, count, ptr);
|
|
}
|
|
|
|
/* void getAsStringWithSize (out uint32_t size, [size_is (size), retval] out string str); */
|
|
NS_IMETHODIMP nsVariant::GetAsStringWithSize(uint32_t *size, char **str)
|
|
{
|
|
return nsVariant::ConvertToStringWithSize(mData, size, str);
|
|
}
|
|
|
|
/* void getAsWStringWithSize (out uint32_t size, [size_is (size), retval] out wstring str); */
|
|
NS_IMETHODIMP nsVariant::GetAsWStringWithSize(uint32_t *size, char16_t **str)
|
|
{
|
|
return nsVariant::ConvertToWStringWithSize(mData, size, str);
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
/* attribute bool writable; */
|
|
NS_IMETHODIMP nsVariant::GetWritable(bool *aWritable)
|
|
{
|
|
*aWritable = mWritable;
|
|
return NS_OK;
|
|
}
|
|
NS_IMETHODIMP nsVariant::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.
|
|
|
|
/* void setAsInt8 (in uint8_t aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsInt8(uint8_t aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromInt8(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsInt16 (in int16_t aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsInt16(int16_t aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromInt16(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsInt32 (in int32_t aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsInt32(int32_t aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromInt32(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsInt64 (in int64_t aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsInt64(int64_t aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromInt64(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsUint8 (in uint8_t aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsUint8(uint8_t aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromUint8(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsUint16 (in uint16_t aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsUint16(uint16_t aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromUint16(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsUint32 (in uint32_t aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsUint32(uint32_t aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromUint32(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsUint64 (in uint64_t aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsUint64(uint64_t aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromUint64(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsFloat (in float aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsFloat(float aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromFloat(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsDouble (in double aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsDouble(double aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromDouble(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsBool (in bool aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsBool(bool aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromBool(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsChar (in char aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsChar(char aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromChar(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsWChar (in wchar aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsWChar(char16_t aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromWChar(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsID (in nsIDRef aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsID(const nsID & aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromID(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsAString (in AString aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsAString(const nsAString & aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromAString(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsDOMString (in DOMString aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsDOMString(const nsAString & aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
|
|
DATA_SETTER_PROLOGUE((&mData));
|
|
if(!(mData.u.mAStringValue = new nsString(aValue)))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
DATA_SETTER_EPILOGUE((&mData), VTYPE_DOMSTRING);
|
|
}
|
|
|
|
/* void setAsACString (in ACString aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsACString(const nsACString & aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromACString(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsAUTF8String (in AUTF8String aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsAUTF8String(const nsAUTF8String & aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromAUTF8String(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsString (in string aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsString(const char *aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromString(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsWString (in wstring aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsWString(const char16_t *aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromWString(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsISupports (in nsISupports aValue); */
|
|
NS_IMETHODIMP nsVariant::SetAsISupports(nsISupports *aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromISupports(&mData, aValue);
|
|
}
|
|
|
|
/* void setAsInterface (in nsIIDRef iid, [iid_is (iid)] in nsQIResult iface); */
|
|
NS_IMETHODIMP nsVariant::SetAsInterface(const nsIID & iid, void * iface)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromInterface(&mData, iid, (nsISupports*)iface);
|
|
}
|
|
|
|
/* [noscript] void setAsArray (in uint16_t type, in nsIIDPtr iid, in uint32_t count, in voidPtr ptr); */
|
|
NS_IMETHODIMP nsVariant::SetAsArray(uint16_t type, const nsIID * iid, uint32_t count, void * ptr)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromArray(&mData, type, iid, count, ptr);
|
|
}
|
|
|
|
/* void setAsStringWithSize (in uint32_t size, [size_is (size)] in string str); */
|
|
NS_IMETHODIMP nsVariant::SetAsStringWithSize(uint32_t size, const char *str)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromStringWithSize(&mData, size, str);
|
|
}
|
|
|
|
/* void setAsWStringWithSize (in uint32_t size, [size_is (size)] in wstring str); */
|
|
NS_IMETHODIMP nsVariant::SetAsWStringWithSize(uint32_t size, const char16_t *str)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromWStringWithSize(&mData, size, str);
|
|
}
|
|
|
|
/* void setAsVoid (); */
|
|
NS_IMETHODIMP nsVariant::SetAsVoid()
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetToVoid(&mData);
|
|
}
|
|
|
|
/* void setAsEmpty (); */
|
|
NS_IMETHODIMP nsVariant::SetAsEmpty()
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetToEmpty(&mData);
|
|
}
|
|
|
|
/* void setAsEmptyArray (); */
|
|
NS_IMETHODIMP nsVariant::SetAsEmptyArray()
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetToEmptyArray(&mData);
|
|
}
|
|
|
|
/* void setFromVariant (in nsIVariant aValue); */
|
|
NS_IMETHODIMP nsVariant::SetFromVariant(nsIVariant *aValue)
|
|
{
|
|
if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE;
|
|
return nsVariant::SetFromVariant(&mData, aValue);
|
|
}
|