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gecko-dev/xpcom/ds/nsVariant.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* The long avoided variant support for xpcom. */
#include "nsVariant.h"
#include "nsString.h"
#include "prprf.h"
#include "prdtoa.h"
#include <math.h>
#include "nsCRT.h"
#include "nsCycleCollectionParticipant.h"
/***************************************************************************/
// Helpers for static convert functions...
static nsresult String2Double(const char* aString, double* retval)
{
char* next;
double value = PR_strtod(aString, &next);
if(next == aString)
return NS_ERROR_CANNOT_CONVERT_DATA;
*retval = value;
return NS_OK;
}
static nsresult AString2Double(const nsAString& aString, double* retval)
{
char* pChars = ToNewCString(aString);
if(!pChars)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = String2Double(pChars, retval);
nsMemory::Free(pChars);
return rv;
}
static nsresult AUTF8String2Double(const nsAUTF8String& aString, double* retval)
{
return String2Double(PromiseFlatUTF8String(aString).get(), retval);
}
static nsresult ACString2Double(const nsACString& aString, double* retval)
{
return String2Double(PromiseFlatCString(aString).get(), retval);
}
// Fills outVariant with double, uint32_t, or int32_t.
// Returns NS_OK, an error code, or a non-NS_OK success code
static nsresult ToManageableNumber(const nsDiscriminatedUnion& inData,
nsDiscriminatedUnion* outData)
{
nsresult rv;
switch(inData.mType)
{
// This group results in a int32_t...
#define CASE__NUMBER_INT32(type_, member_) \
case nsIDataType :: type_ : \
outData->u.mInt32Value = inData.u. member_ ; \
outData->mType = nsIDataType::VTYPE_INT32; \
return NS_OK;
CASE__NUMBER_INT32(VTYPE_INT8, mInt8Value)
CASE__NUMBER_INT32(VTYPE_INT16, mInt16Value)
CASE__NUMBER_INT32(VTYPE_INT32, mInt32Value)
CASE__NUMBER_INT32(VTYPE_UINT8, mUint8Value)
CASE__NUMBER_INT32(VTYPE_UINT16, mUint16Value)
CASE__NUMBER_INT32(VTYPE_BOOL, mBoolValue)
CASE__NUMBER_INT32(VTYPE_CHAR, mCharValue)
CASE__NUMBER_INT32(VTYPE_WCHAR, mWCharValue)
#undef CASE__NUMBER_INT32
// This group results in a uint32_t...
case nsIDataType::VTYPE_UINT32:
outData->u.mInt32Value = inData.u.mUint32Value;
outData->mType = nsIDataType::VTYPE_INT32;
return NS_OK;
// This group results in a double...
case nsIDataType::VTYPE_INT64:
case nsIDataType::VTYPE_UINT64:
// XXX Need boundary checking here.
// We may need to return NS_SUCCESS_LOSS_OF_INSIGNIFICANT_DATA
outData->u.mDoubleValue = double(inData.u.mInt64Value);
outData->mType = nsIDataType::VTYPE_DOUBLE;
return NS_OK;
case nsIDataType::VTYPE_FLOAT:
outData->u.mDoubleValue = inData.u.mFloatValue;
outData->mType = nsIDataType::VTYPE_DOUBLE;
return NS_OK;
case nsIDataType::VTYPE_DOUBLE:
outData->u.mDoubleValue = inData.u.mDoubleValue;
outData->mType = nsIDataType::VTYPE_DOUBLE;
return NS_OK;
case nsIDataType::VTYPE_CHAR_STR:
case nsIDataType::VTYPE_STRING_SIZE_IS:
rv = String2Double(inData.u.str.mStringValue, &outData->u.mDoubleValue);
if(NS_FAILED(rv))
return rv;
outData->mType = nsIDataType::VTYPE_DOUBLE;
return NS_OK;
case nsIDataType::VTYPE_DOMSTRING:
case nsIDataType::VTYPE_ASTRING:
rv = AString2Double(*inData.u.mAStringValue, &outData->u.mDoubleValue);
if(NS_FAILED(rv))
return rv;
outData->mType = nsIDataType::VTYPE_DOUBLE;
return NS_OK;
case nsIDataType::VTYPE_UTF8STRING:
rv = AUTF8String2Double(*inData.u.mUTF8StringValue,
&outData->u.mDoubleValue);
if(NS_FAILED(rv))
return rv;
outData->mType = nsIDataType::VTYPE_DOUBLE;
return NS_OK;
case nsIDataType::VTYPE_CSTRING:
rv = ACString2Double(*inData.u.mCStringValue,
&outData->u.mDoubleValue);
if(NS_FAILED(rv))
return rv;
outData->mType = nsIDataType::VTYPE_DOUBLE;
return NS_OK;
case nsIDataType::VTYPE_WCHAR_STR:
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
rv = AString2Double(nsDependentString(inData.u.wstr.mWStringValue),
&outData->u.mDoubleValue);
if(NS_FAILED(rv))
return rv;
outData->mType = nsIDataType::VTYPE_DOUBLE;
return NS_OK;
// This group fails...
case nsIDataType::VTYPE_VOID:
case nsIDataType::VTYPE_ID:
case nsIDataType::VTYPE_INTERFACE:
case nsIDataType::VTYPE_INTERFACE_IS:
case nsIDataType::VTYPE_ARRAY:
case nsIDataType::VTYPE_EMPTY_ARRAY:
case nsIDataType::VTYPE_EMPTY:
default:
return NS_ERROR_CANNOT_CONVERT_DATA;
}
}
/***************************************************************************/
// Array helpers...
static void FreeArray(nsDiscriminatedUnion* data)
{
NS_ASSERTION(data->mType == nsIDataType::VTYPE_ARRAY, "bad FreeArray call");
NS_ASSERTION(data->u.array.mArrayValue, "bad array");
NS_ASSERTION(data->u.array.mArrayCount, "bad array count");
#define CASE__FREE_ARRAY_PTR(type_, ctype_) \
case nsIDataType:: type_ : \
{ \
ctype_ ** p = (ctype_ **) data->u.array.mArrayValue; \
for(uint32_t i = data->u.array.mArrayCount; i > 0; p++, i--) \
if(*p) \
nsMemory::Free((char*)*p); \
break; \
}
#define CASE__FREE_ARRAY_IFACE(type_, ctype_) \
case nsIDataType:: type_ : \
{ \
ctype_ ** p = (ctype_ **) data->u.array.mArrayValue; \
for(uint32_t i = data->u.array.mArrayCount; i > 0; p++, i--) \
if(*p) \
(*p)->Release(); \
break; \
}
switch(data->u.array.mArrayType)
{
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:
break;
// XXX We ASSUME that "array of nsID" means "array of pointers to nsID".
CASE__FREE_ARRAY_PTR(VTYPE_ID, nsID)
CASE__FREE_ARRAY_PTR(VTYPE_CHAR_STR, char)
CASE__FREE_ARRAY_PTR(VTYPE_WCHAR_STR, PRUnichar)
CASE__FREE_ARRAY_IFACE(VTYPE_INTERFACE, nsISupports)
CASE__FREE_ARRAY_IFACE(VTYPE_INTERFACE_IS, nsISupports)
// The rest are illegal.
case nsIDataType::VTYPE_VOID:
case nsIDataType::VTYPE_ASTRING:
case nsIDataType::VTYPE_DOMSTRING:
case nsIDataType::VTYPE_UTF8STRING:
case nsIDataType::VTYPE_CSTRING:
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
case nsIDataType::VTYPE_STRING_SIZE_IS:
case nsIDataType::VTYPE_ARRAY:
case nsIDataType::VTYPE_EMPTY_ARRAY:
case nsIDataType::VTYPE_EMPTY:
default:
NS_ERROR("bad type in array!");
break;
}
// Free the array memory.
nsMemory::Free((char*)data->u.array.mArrayValue);
#undef CASE__FREE_ARRAY_PTR
#undef CASE__FREE_ARRAY_IFACE
}
static nsresult CloneArray(uint16_t inType, const nsIID* inIID,
uint32_t inCount, void* inValue,
uint16_t* outType,
nsIID* outIID,
uint32_t* outCount,
void** outValue)
{
NS_ASSERTION(inCount, "bad param");
NS_ASSERTION(inValue, "bad param");
NS_ASSERTION(outType, "bad param");
NS_ASSERTION(outCount, "bad param");
NS_ASSERTION(outValue, "bad param");
uint32_t allocatedValueCount = 0;
nsresult rv = NS_OK;
uint32_t i;
// First we figure out the size of the elements for the new u.array.
size_t elementSize;
size_t allocSize;
switch(inType)
{
case nsIDataType::VTYPE_INT8:
elementSize = sizeof(int8_t);
break;
case nsIDataType::VTYPE_INT16:
elementSize = sizeof(int16_t);
break;
case nsIDataType::VTYPE_INT32:
elementSize = sizeof(int32_t);
break;
case nsIDataType::VTYPE_INT64:
elementSize = sizeof(int64_t);
break;
case nsIDataType::VTYPE_UINT8:
elementSize = sizeof(uint8_t);
break;
case nsIDataType::VTYPE_UINT16:
elementSize = sizeof(uint16_t);
break;
case nsIDataType::VTYPE_UINT32:
elementSize = sizeof(uint32_t);
break;
case nsIDataType::VTYPE_UINT64:
elementSize = sizeof(uint64_t);
break;
case nsIDataType::VTYPE_FLOAT:
elementSize = sizeof(float);
break;
case nsIDataType::VTYPE_DOUBLE:
elementSize = sizeof(double);
break;
case nsIDataType::VTYPE_BOOL:
elementSize = sizeof(bool);
break;
case nsIDataType::VTYPE_CHAR:
elementSize = sizeof(char);
break;
case nsIDataType::VTYPE_WCHAR:
elementSize = sizeof(PRUnichar);
break;
// XXX We ASSUME that "array of nsID" means "array of pointers to nsID".
case nsIDataType::VTYPE_ID:
case nsIDataType::VTYPE_CHAR_STR:
case nsIDataType::VTYPE_WCHAR_STR:
case nsIDataType::VTYPE_INTERFACE:
case nsIDataType::VTYPE_INTERFACE_IS:
elementSize = sizeof(void*);
break;
// The rest are illegal.
case nsIDataType::VTYPE_ASTRING:
case nsIDataType::VTYPE_DOMSTRING:
case nsIDataType::VTYPE_UTF8STRING:
case nsIDataType::VTYPE_CSTRING:
case nsIDataType::VTYPE_STRING_SIZE_IS:
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
case nsIDataType::VTYPE_VOID:
case nsIDataType::VTYPE_ARRAY:
case nsIDataType::VTYPE_EMPTY_ARRAY:
case nsIDataType::VTYPE_EMPTY:
default:
NS_ERROR("bad type in array!");
return NS_ERROR_CANNOT_CONVERT_DATA;
}
// Alloc the u.array.
allocSize = inCount * elementSize;
*outValue = nsMemory::Alloc(allocSize);
if(!*outValue)
return NS_ERROR_OUT_OF_MEMORY;
// Clone the elements.
switch(inType)
{
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:
memcpy(*outValue, inValue, allocSize);
break;
case nsIDataType::VTYPE_INTERFACE_IS:
if(outIID)
*outIID = *inIID;
// fall through...
case nsIDataType::VTYPE_INTERFACE:
{
memcpy(*outValue, inValue, allocSize);
nsISupports** p = (nsISupports**) *outValue;
for(i = inCount; i > 0; p++, i--)
if(*p)
(*p)->AddRef();
break;
}
// XXX We ASSUME that "array of nsID" means "array of pointers to nsID".
case nsIDataType::VTYPE_ID:
{
nsID** inp = (nsID**) inValue;
nsID** outp = (nsID**) *outValue;
for(i = inCount; i > 0; i--)
{
nsID* idp = *(inp++);
if(idp)
{
if(nullptr == (*(outp++) = (nsID*)
nsMemory::Clone((char*)idp, sizeof(nsID))))
goto bad;
}
else
*(outp++) = nullptr;
allocatedValueCount++;
}
break;
}
case nsIDataType::VTYPE_CHAR_STR:
{
char** inp = (char**) inValue;
char** outp = (char**) *outValue;
for(i = inCount; i > 0; i--)
{
char* str = *(inp++);
if(str)
{
if(nullptr == (*(outp++) = (char*)
nsMemory::Clone(str, (strlen(str)+1)*sizeof(char))))
goto bad;
}
else
*(outp++) = nullptr;
allocatedValueCount++;
}
break;
}
case nsIDataType::VTYPE_WCHAR_STR:
{
PRUnichar** inp = (PRUnichar**) inValue;
PRUnichar** outp = (PRUnichar**) *outValue;
for(i = inCount; i > 0; i--)
{
PRUnichar* str = *(inp++);
if(str)
{
if(nullptr == (*(outp++) = (PRUnichar*)
nsMemory::Clone(str,
(NS_strlen(str) + 1) * sizeof(PRUnichar))))
goto bad;
}
else
*(outp++) = nullptr;
allocatedValueCount++;
}
break;
}
// The rest are illegal.
case nsIDataType::VTYPE_VOID:
case nsIDataType::VTYPE_ARRAY:
case nsIDataType::VTYPE_EMPTY_ARRAY:
case nsIDataType::VTYPE_EMPTY:
case nsIDataType::VTYPE_ASTRING:
case nsIDataType::VTYPE_DOMSTRING:
case nsIDataType::VTYPE_UTF8STRING:
case nsIDataType::VTYPE_CSTRING:
case nsIDataType::VTYPE_STRING_SIZE_IS:
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
default:
NS_ERROR("bad type in array!");
return NS_ERROR_CANNOT_CONVERT_DATA;
}
*outType = inType;
*outCount = inCount;
return NS_OK;
bad:
if(*outValue)
{
char** p = (char**) *outValue;
for(i = allocatedValueCount; i > 0; p++, i--)
if(*p)
nsMemory::Free(*p);
nsMemory::Free((char*)*outValue);
*outValue = nullptr;
}
return rv;
}
/***************************************************************************/
#define TRIVIAL_DATA_CONVERTER(type_, data_, member_, retval_) \
if(data_.mType == nsIDataType :: type_) { \
*retval_ = data_.u.member_; \
return NS_OK; \
}
#define NUMERIC_CONVERSION_METHOD_BEGIN(type_, Ctype_, name_) \
/* static */ nsresult \
nsVariant::ConvertTo##name_ (const nsDiscriminatedUnion& data, \
Ctype_ *_retval) \
{ \
TRIVIAL_DATA_CONVERTER(type_, data, m##name_##Value, _retval) \
nsDiscriminatedUnion tempData; \
nsVariant::Initialize(&tempData); \
nsresult rv = ToManageableNumber(data, &tempData); \
/* */ \
/* NOTE: rv may indicate a success code that we want to preserve */ \
/* For the final return. So all the return cases below should return */ \
/* this rv when indicating success. */ \
/* */ \
if(NS_FAILED(rv)) \
return rv; \
switch(tempData.mType) \
{
#define CASE__NUMERIC_CONVERSION_INT32_JUST_CAST(Ctype_) \
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, PRUnichar, WChar)
CASE__NUMERIC_CONVERSION_INT32_JUST_CAST(PRUnichar)
CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST(PRUnichar)
CASE__NUMERIC_CONVERSION_DOUBLE_JUST_CAST(PRUnichar)
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 PRUnichar* 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 PRUnichar* 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, PRUnichar **_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, PRUnichar **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, PRUnichar 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 PRUnichar *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 PRUnichar *aValue)
{
DATA_SETTER_PROLOGUE(data);
if(!aValue)
return NS_ERROR_NULL_POINTER;
if(!(data->u.wstr.mWStringValue =
(PRUnichar*) nsMemory::Clone(aValue, (size+1)*sizeof(PRUnichar))))
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_ISUPPORTS2(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(PRUnichar *_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(PRUnichar **_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::Value *_retval)
{
// 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, PRUnichar **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(PRUnichar 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 PRUnichar *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 PRUnichar *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);
}
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