/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * John Bandhauer * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* The long avoided variant support for xpcom. */ #include "nsVariant.h" #include "nsString.h" #include "prprf.h" #include "prdtoa.h" #include #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, PRUint32, or PRInt32. // 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 PRInt32... #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 PRUint32... 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 LL_L2D(outData->u.mDoubleValue, 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(PRUint32 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(PRUint32 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(PRUint16 inType, const nsIID* inIID, PRUint32 inCount, void* inValue, PRUint16* outType NS_OUTPARAM, nsIID* outIID NS_OUTPARAM, PRUint32* outCount NS_OUTPARAM, 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"); PRUint32 allocatedValueCount = 0; nsresult rv = NS_OK; PRUint32 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(PRInt8); break; case nsIDataType::VTYPE_INT16: elementSize = sizeof(PRInt16); break; case nsIDataType::VTYPE_INT32: elementSize = sizeof(PRInt32); break; case nsIDataType::VTYPE_INT64: elementSize = sizeof(PRInt64); break; case nsIDataType::VTYPE_UINT8: elementSize = sizeof(PRUint8); break; case nsIDataType::VTYPE_UINT16: elementSize = sizeof(PRUint16); break; case nsIDataType::VTYPE_UINT32: elementSize = sizeof(PRUint32); break; case nsIDataType::VTYPE_UINT64: elementSize = sizeof(PRUint64); break; case nsIDataType::VTYPE_FLOAT: elementSize = sizeof(float); break; case nsIDataType::VTYPE_DOUBLE: elementSize = sizeof(double); break; case nsIDataType::VTYPE_BOOL: elementSize = sizeof(PRBool); 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(nsnull == (*(outp++) = (nsID*) nsMemory::Clone((char*)idp, sizeof(nsID)))) goto bad; } else *(outp++) = nsnull; 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(nsnull == (*(outp++) = (char*) nsMemory::Clone(str, (strlen(str)+1)*sizeof(char)))) goto bad; } else *(outp++) = nsnull; 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(nsnull == (*(outp++) = (PRUnichar*) nsMemory::Clone(str, (nsCRT::strlen(str)+1)*sizeof(PRUnichar)))) goto bad; } else *(outp++) = nsnull; 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 = nsnull; } 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: \ { \ PRInt32 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: \ { \ PRUint32 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, PRUint8, Int8, (-127-1), 127) NUMERIC_CONVERSION_METHOD_NORMAL(VTYPE_INT16, PRInt16, Int16, (-32767-1), 32767) NUMERIC_CONVERSION_METHOD_BEGIN(VTYPE_INT32, PRInt32, Int32) CASE__NUMERIC_CONVERSION_INT32_JUST_CAST(PRInt32) CASE__NUMERIC_CONVERSION_UINT32_MAX(PRInt32, 2147483647) CASE__NUMERIC_CONVERSION_DOUBLE_MIN_MAX_INT(PRInt32, (-2147483647-1), 2147483647) NUMERIC_CONVERSION_METHOD_END NUMERIC_CONVERSION_METHOD_NORMAL(VTYPE_UINT8, PRUint8, Uint8, 0, 255) NUMERIC_CONVERSION_METHOD_NORMAL(VTYPE_UINT16, PRUint16, Uint16, 0, 65535) NUMERIC_CONVERSION_METHOD_BEGIN(VTYPE_UINT32, PRUint32, Uint32) CASE__NUMERIC_CONVERSION_INT32_MIN_MAX(PRUint32, 0, 2147483647) CASE__NUMERIC_CONVERSION_UINT32_JUST_CAST(PRUint32) CASE__NUMERIC_CONVERSION_DOUBLE_MIN_MAX_INT(PRUint32, 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, PRBool *_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, PRInt64 *_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: LL_I2L(*_retval, tempData.u.mInt32Value); return rv; case nsIDataType::VTYPE_UINT32: LL_UI2L(*_retval, tempData.u.mUint32Value); return rv; case nsIDataType::VTYPE_DOUBLE: // XXX should check for data loss here! LL_D2L(*_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, PRUint64 *_retval) { return nsVariant::ConvertToInt64(data, (PRInt64 *)_retval); } /***************************************************************************/ static PRBool 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 PR_FALSE; } char* pChars = ToNewCString(*pString); if(!pChars) return PR_FALSE; PRBool 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_ : \ { \ nsCAutoString 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", PRInt64, 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", PRInt64, 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: { nsCAutoString 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, 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, str + 1), _retval); return NS_OK; } default: { nsCAutoString 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) { PRUint32 ignored; return nsVariant::ConvertToStringWithSize(data, &ignored, _retval); } /* static */ nsresult nsVariant::ConvertToWString(const nsDiscriminatedUnion& data, PRUnichar **_retval) { PRUint32 ignored; return nsVariant::ConvertToWStringWithSize(data, &ignored, _retval); } /* static */ nsresult nsVariant::ConvertToStringWithSize(const nsDiscriminatedUnion& data, PRUint32 *size, char **str) { nsAutoString tempString; nsCAutoString 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, PRUint32 *size, PRUnichar **str) { nsAutoString tempString; nsCAutoString 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 = nsnull; 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 = nsnull; return NS_OK; } /* static */ nsresult nsVariant::ConvertToArray(const nsDiscriminatedUnion& data, PRUint16 *type, nsIID* iid, PRUint32 *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) { PRUint16 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, (PRUint8*), 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, PRUint8 aValue) { DATA_SETTER_WITH_CAST(data, VTYPE_INT8, mInt8Value, (PRUint8), aValue) } /* static */ nsresult nsVariant::SetFromInt16(nsDiscriminatedUnion* data, PRInt16 aValue) { DATA_SETTER(data, VTYPE_INT16, mInt16Value, aValue) } /* static */ nsresult nsVariant::SetFromInt32(nsDiscriminatedUnion* data, PRInt32 aValue) { DATA_SETTER(data, VTYPE_INT32, mInt32Value, aValue) } /* static */ nsresult nsVariant::SetFromInt64(nsDiscriminatedUnion* data, PRInt64 aValue) { DATA_SETTER(data, VTYPE_INT64, mInt64Value, aValue) } /* static */ nsresult nsVariant::SetFromUint8(nsDiscriminatedUnion* data, PRUint8 aValue) { DATA_SETTER(data, VTYPE_UINT8, mUint8Value, aValue) } /* static */ nsresult nsVariant::SetFromUint16(nsDiscriminatedUnion* data, PRUint16 aValue) { DATA_SETTER(data, VTYPE_UINT16, mUint16Value, aValue) } /* static */ nsresult nsVariant::SetFromUint32(nsDiscriminatedUnion* data, PRUint32 aValue) { DATA_SETTER(data, VTYPE_UINT32, mUint32Value, aValue) } /* static */ nsresult nsVariant::SetFromUint64(nsDiscriminatedUnion* data, PRUint64 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, PRBool 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, nsCRT::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, PRUint16 type, const nsIID* iid, PRUint32 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, PRUint32 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, PRUint32 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: 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(PRUint32 i = data.u.array.mArrayCount; i > 0; p++, i--) cb.NoteXPCOMChild(*p); } default: break; } default: break; } } /***************************************************************************/ /***************************************************************************/ // members... NS_IMPL_ISUPPORTS2(nsVariant, nsIVariant, nsIWritableVariant) nsVariant::nsVariant() : mWritable(PR_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 {PRUint16 a; PRUint16 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 PRBool inited = PR_FALSE; if(!inited) { for(int i = 0; i < length; i++) NS_ASSERTION(array[i].a == array[i].b, "bad const declaration"); inited = PR_TRUE; } } #endif } nsVariant::~nsVariant() { nsVariant::Cleanup(&mData); } // For all the data getters we just forward to the static (and sharable) // 'ConvertTo' functions. /* readonly attribute PRUint16 dataType; */ NS_IMETHODIMP nsVariant::GetDataType(PRUint16 *aDataType) { *aDataType = mData.mType; return NS_OK; } /* PRUint8 getAsInt8 (); */ NS_IMETHODIMP nsVariant::GetAsInt8(PRUint8 *_retval) { return nsVariant::ConvertToInt8(mData, _retval); } /* PRInt16 getAsInt16 (); */ NS_IMETHODIMP nsVariant::GetAsInt16(PRInt16 *_retval) { return nsVariant::ConvertToInt16(mData, _retval); } /* PRInt32 getAsInt32 (); */ NS_IMETHODIMP nsVariant::GetAsInt32(PRInt32 *_retval) { return nsVariant::ConvertToInt32(mData, _retval); } /* PRInt64 getAsInt64 (); */ NS_IMETHODIMP nsVariant::GetAsInt64(PRInt64 *_retval) { return nsVariant::ConvertToInt64(mData, _retval); } /* PRUint8 getAsUint8 (); */ NS_IMETHODIMP nsVariant::GetAsUint8(PRUint8 *_retval) { return nsVariant::ConvertToUint8(mData, _retval); } /* PRUint16 getAsUint16 (); */ NS_IMETHODIMP nsVariant::GetAsUint16(PRUint16 *_retval) { return nsVariant::ConvertToUint16(mData, _retval); } /* PRUint32 getAsUint32 (); */ NS_IMETHODIMP nsVariant::GetAsUint32(PRUint32 *_retval) { return nsVariant::ConvertToUint32(mData, _retval); } /* PRUint64 getAsUint64 (); */ NS_IMETHODIMP nsVariant::GetAsUint64(PRUint64 *_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); } /* PRBool getAsBool (); */ NS_IMETHODIMP nsVariant::GetAsBool(PRBool *_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(jsval *_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 PRUint16 type, out nsIID iid, out PRUint32 count, out voidPtr ptr); */ NS_IMETHODIMP_(nsresult) nsVariant::GetAsArray(PRUint16 *type, nsIID *iid, PRUint32 *count, void * *ptr) { return nsVariant::ConvertToArray(mData, type, iid, count, ptr); } /* void getAsStringWithSize (out PRUint32 size, [size_is (size), retval] out string str); */ NS_IMETHODIMP nsVariant::GetAsStringWithSize(PRUint32 *size, char **str) { return nsVariant::ConvertToStringWithSize(mData, size, str); } /* void getAsWStringWithSize (out PRUint32 size, [size_is (size), retval] out wstring str); */ NS_IMETHODIMP nsVariant::GetAsWStringWithSize(PRUint32 *size, PRUnichar **str) { return nsVariant::ConvertToWStringWithSize(mData, size, str); } /***************************************************************************/ /* attribute PRBool writable; */ NS_IMETHODIMP nsVariant::GetWritable(PRBool *aWritable) { *aWritable = mWritable; return NS_OK; } NS_IMETHODIMP nsVariant::SetWritable(PRBool 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 PRUint8 aValue); */ NS_IMETHODIMP nsVariant::SetAsInt8(PRUint8 aValue) { if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE; return nsVariant::SetFromInt8(&mData, aValue); } /* void setAsInt16 (in PRInt16 aValue); */ NS_IMETHODIMP nsVariant::SetAsInt16(PRInt16 aValue) { if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE; return nsVariant::SetFromInt16(&mData, aValue); } /* void setAsInt32 (in PRInt32 aValue); */ NS_IMETHODIMP nsVariant::SetAsInt32(PRInt32 aValue) { if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE; return nsVariant::SetFromInt32(&mData, aValue); } /* void setAsInt64 (in PRInt64 aValue); */ NS_IMETHODIMP nsVariant::SetAsInt64(PRInt64 aValue) { if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE; return nsVariant::SetFromInt64(&mData, aValue); } /* void setAsUint8 (in PRUint8 aValue); */ NS_IMETHODIMP nsVariant::SetAsUint8(PRUint8 aValue) { if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE; return nsVariant::SetFromUint8(&mData, aValue); } /* void setAsUint16 (in PRUint16 aValue); */ NS_IMETHODIMP nsVariant::SetAsUint16(PRUint16 aValue) { if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE; return nsVariant::SetFromUint16(&mData, aValue); } /* void setAsUint32 (in PRUint32 aValue); */ NS_IMETHODIMP nsVariant::SetAsUint32(PRUint32 aValue) { if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE; return nsVariant::SetFromUint32(&mData, aValue); } /* void setAsUint64 (in PRUint64 aValue); */ NS_IMETHODIMP nsVariant::SetAsUint64(PRUint64 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 PRBool aValue); */ NS_IMETHODIMP nsVariant::SetAsBool(PRBool 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 PRUint16 type, in nsIIDPtr iid, in PRUint32 count, in voidPtr ptr); */ NS_IMETHODIMP nsVariant::SetAsArray(PRUint16 type, const nsIID * iid, PRUint32 count, void * ptr) { if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE; return nsVariant::SetFromArray(&mData, type, iid, count, ptr); } /* void setAsStringWithSize (in PRUint32 size, [size_is (size)] in string str); */ NS_IMETHODIMP nsVariant::SetAsStringWithSize(PRUint32 size, const char *str) { if(!mWritable) return NS_ERROR_OBJECT_IS_IMMUTABLE; return nsVariant::SetFromStringWithSize(&mData, size, str); } /* void setAsWStringWithSize (in PRUint32 size, [size_is (size)] in wstring str); */ NS_IMETHODIMP nsVariant::SetAsWStringWithSize(PRUint32 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); }