Bug 975823, part 2 - Take advantage of infallible new in nsStreamConverterService. r=mcmanus

This commit is contained in:
Andrew McCreight 2014-03-19 16:57:47 -07:00
parent a436885433
commit 1eeb1a7d68

View File

@ -94,7 +94,6 @@ nsresult
nsStreamConverterService::Init() {
mAdjacencyList = new nsObjectHashtable(nullptr, nullptr,
DeleteAdjacencyEntry, nullptr);
if (!mAdjacencyList) return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
@ -173,21 +172,8 @@ nsStreamConverterService::AddAdjacency(const char *aContractID) {
// There is no fromStr vertex, create one.
nsCStringKey *newFromKey = new nsCStringKey(ToNewCString(fromStr), fromStr.Length(), nsCStringKey::OWN);
if (!newFromKey) return NS_ERROR_OUT_OF_MEMORY;
SCTableData *data = new SCTableData(newFromKey);
if (!data) {
delete newFromKey;
return NS_ERROR_OUT_OF_MEMORY;
}
nsCOMArray<nsIAtom>* edgeArray = new nsCOMArray<nsIAtom>;
if (!edgeArray) {
delete newFromKey;
data->key = nullptr;
delete data;
return NS_ERROR_OUT_OF_MEMORY;
}
data->data.edges = edgeArray;
mAdjacencyList->Put(newFromKey, data);
@ -198,21 +184,8 @@ nsStreamConverterService::AddAdjacency(const char *aContractID) {
if (!mAdjacencyList->Get(&toKey)) {
// There is no toStr vertex, create one.
nsCStringKey *newToKey = new nsCStringKey(ToNewCString(toStr), toStr.Length(), nsCStringKey::OWN);
if (!newToKey) return NS_ERROR_OUT_OF_MEMORY;
SCTableData *data = new SCTableData(newToKey);
if (!data) {
delete newToKey;
return NS_ERROR_OUT_OF_MEMORY;
}
nsCOMArray<nsIAtom>* edgeArray = new nsCOMArray<nsIAtom>;
if (!edgeArray) {
delete newToKey;
data->key = nullptr;
delete data;
return NS_ERROR_OUT_OF_MEMORY;
}
data->data.edges = edgeArray;
mAdjacencyList->Put(newToKey, data);
}
@ -264,17 +237,12 @@ static bool InitBFSTable(nsHashKey *aKey, void *aData, void* closure) {
if (!BFSTable) return false;
BFSState *state = new BFSState;
if (!state) return false;
state->color = white;
state->distance = -1;
state->predecessor = nullptr;
SCTableData *data = new SCTableData(static_cast<nsCStringKey*>(aKey));
if (!data) {
delete state;
return false;
}
data->data.state = state;
BFSTable->Put(aKey, data);
@ -328,7 +296,6 @@ nsStreamConverterService::FindConverter(const char *aContractID, nsTArray<nsCStr
if (NS_FAILED(rv)) return rv;
nsCStringKey *source = new nsCStringKey(fromC.get());
if (!source) return NS_ERROR_OUT_OF_MEMORY;
SCTableData *data = (SCTableData*)lBFSTable.Get(source);
if (!data) {
@ -341,10 +308,6 @@ nsStreamConverterService::FindConverter(const char *aContractID, nsTArray<nsCStr
state->color = gray;
state->distance = 0;
CStreamConvDeallocator *dtorFunc = new CStreamConvDeallocator();
if (!dtorFunc) {
delete source;
return NS_ERROR_OUT_OF_MEMORY;
}
nsDeque grayQ(dtorFunc);
@ -376,7 +339,6 @@ nsStreamConverterService::FindConverter(const char *aContractID, nsTArray<nsCStr
curVertexAtom->ToString(curVertexStr);
nsCStringKey *curVertex = new nsCStringKey(ToNewCString(curVertexStr),
curVertexStr.Length(), nsCStringKey::OWN);
if (!curVertex) return NS_ERROR_OUT_OF_MEMORY;
SCTableData *data3 = (SCTableData*)lBFSTable.Get(curVertex);
if (!data3) {
@ -419,7 +381,6 @@ nsStreamConverterService::FindConverter(const char *aContractID, nsTArray<nsCStr
// get the root CONTRACTID
nsAutoCString ContractIDPrefix(NS_ISTREAMCONVERTER_KEY);
nsTArray<nsCString> *shortestPath = new nsTArray<nsCString>();
if (!shortestPath) return NS_ERROR_OUT_OF_MEMORY;
nsCStringKey toMIMEType(toStr);
data = (SCTableData*)lBFSTable.Get(&toMIMEType);
@ -689,7 +650,6 @@ NS_NewStreamConv(nsStreamConverterService** aStreamConv)
if (!aStreamConv) return NS_ERROR_NULL_POINTER;
*aStreamConv = new nsStreamConverterService();
if (!*aStreamConv) return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aStreamConv);
nsresult rv = (*aStreamConv)->Init();