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relanding bug 410250.

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This commit is contained in:
dwitte@stanford.edu 2008-01-11 01:13:04 -08:00
parent 6fa02cd326
commit 8a6c4d235f
20 changed files with 181 additions and 205 deletions
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9
caps/src/nsNullPrincipal.cpp
View File

@ -46,7 +46,6 @@
#include "nsMemory.h"
#include "nsIUUIDGenerator.h"
#include "nsID.h"
#include "prmem.h" // For PF_Free, 'cause nsID::ToString sucks like that
#include "nsNetUtil.h"
#include "nsIClassInfoImpl.h"
#include "nsNetCID.h"
@ -105,10 +104,10 @@ nsNullPrincipal::Init()
rv = uuidgen->GenerateUUIDInPlace(&id);
NS_ENSURE_SUCCESS(rv, rv);
char* chars = id.ToString();
NS_ENSURE_TRUE(chars, NS_ERROR_OUT_OF_MEMORY);
char chars[NSID_LENGTH];
id.ToProvidedString(chars);
PRUint32 suffixLen = strlen(chars);
PRUint32 suffixLen = NSID_LENGTH - 1;
PRUint32 prefixLen = NS_ARRAY_LENGTH(NS_NULLPRINCIPAL_PREFIX) - 1;
// Use an nsCString so we only do the allocation once here and then share
@ -119,8 +118,6 @@ nsNullPrincipal::Init()
str.Append(NS_NULLPRINCIPAL_PREFIX);
str.Append(chars);
PR_Free(chars);
if (str.Length() != prefixLen + suffixLen) {
NS_WARNING("Out of memory allocating null-principal URI");
return NS_ERROR_OUT_OF_MEMORY;

8
caps/src/nsScriptSecurityManager.cpp
View File

@ -3072,8 +3072,8 @@ nsScriptSecurityManager::CanCreateInstance(JSContext *cx,
{
//-- Access denied, report an error
nsCAutoString errorMsg("Permission denied to create instance of class. CID=");
nsXPIDLCString cidStr;
cidStr += aCID.ToString();
char cidStr[NSID_LENGTH];
aCID.ToProvidedString(cidStr);
errorMsg.Append(cidStr);
SetPendingException(cx, errorMsg.get());
@ -3103,8 +3103,8 @@ nsScriptSecurityManager::CanGetService(JSContext *cx,
{
//-- Access denied, report an error
nsCAutoString errorMsg("Permission denied to get service. CID=");
nsXPIDLCString cidStr;
cidStr += aCID.ToString();
char cidStr[NSID_LENGTH];
aCID.ToProvidedString(cidStr);
errorMsg.Append(cidStr);
SetPendingException(cx, errorMsg.get());

13
content/xbl/src/nsXBLPrototypeBinding.cpp
View File

@ -1349,8 +1349,8 @@ nsXBLPrototypeBinding::ConstructInterfaceTable(const nsAString& aImpls)
if (iinfo) {
// obtain an IID.
nsIID* iid = nsnull;
iinfo->GetInterfaceIID(&iid);
const nsIID* iid = nsnull;
iinfo->GetIIDShared(&iid);
if (iid) {
// We found a valid iid. Add it to our table.
@ -1362,11 +1362,8 @@ nsXBLPrototypeBinding::ConstructInterfaceTable(const nsAString& aImpls)
nsCOMPtr<nsIInterfaceInfo> parentInfo;
// if it has a parent, add it to the table
while (NS_SUCCEEDED(iinfo->GetParent(getter_AddRefs(parentInfo))) && parentInfo) {
// free the nsMemory::Clone()ed iid
nsMemory::Free(iid);
// get the iid
parentInfo->GetInterfaceIID(&iid);
parentInfo->GetIIDShared(&iid);
// don't add nsISupports to the table
if (!iid || iid->Equals(NS_GET_IID(nsISupports)))
@ -1380,10 +1377,6 @@ nsXBLPrototypeBinding::ConstructInterfaceTable(const nsAString& aImpls)
iinfo = parentInfo;
}
}
// free the nsMemory::Clone()ed iid
if (iid)
nsMemory::Free(iid);
}
token = nsCRT::strtok( newStr, ", ", &newStr );

31
dom/src/base/nsDOMClassInfo.cpp
View File

@ -1706,24 +1706,21 @@ nsDOMClassInfo::RegisterClassProtos(PRInt32 aClassInfoID)
iim->GetInfoForIID(primary_iid, getter_AddRefs(if_info));
while (if_info) {
nsIID *iid = nsnull;
const nsIID *iid = nsnull;
if_info->GetInterfaceIID(&iid);
if_info->GetIIDShared(&iid);
NS_ENSURE_TRUE(iid, NS_ERROR_UNEXPECTED);
if (iid->Equals(NS_GET_IID(nsISupports))) {
nsMemory::Free(iid);
break;
}
nsXPIDLCString name;
if_info->GetName(getter_Copies(name));
const char *name = nsnull;
if_info->GetNameShared(&name);
NS_ENSURE_TRUE(name, NS_ERROR_UNEXPECTED);
nameSpaceManager->RegisterClassProto(CutPrefix(name), iid, &found_old);
nsMemory::Free(iid);
if (first) {
first = PR_FALSE;
} else if (found_old) {
@ -5330,7 +5327,9 @@ nsWindowSH::GlobalResolve(nsGlobalWindow *aWin, JSContext *cx,
primary_iid = ci_data->mProtoChainInterface;
}
nsXPIDLCString class_parent_name;
nsCOMPtr<nsIInterfaceInfo> if_info;
nsCOMPtr<nsIInterfaceInfo> parent;
const char *class_parent_name = nsnull;
if (!primary_iid->Equals(NS_GET_IID(nsISupports))) {
rv = DefineInterfaceConstants(cx, class_obj, primary_iid);
@ -5356,20 +5355,18 @@ nsWindowSH::GlobalResolve(nsGlobalWindow *aWin, JSContext *cx,
iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID));
NS_ENSURE_TRUE(iim, NS_ERROR_NOT_AVAILABLE);
nsCOMPtr<nsIInterfaceInfo> if_info;
iim->GetInfoForIID(primary_iid, getter_AddRefs(if_info));
NS_ENSURE_TRUE(if_info, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsIInterfaceInfo> parent;
nsIID *iid = nsnull;
const nsIID *iid = nsnull;
if (ci_data && !ci_data->mHasClassInterface) {
if_info->GetInterfaceIID(&iid);
if_info->GetIIDShared(&iid);
} else {
if_info->GetParent(getter_AddRefs(parent));
NS_ENSURE_TRUE(parent, NS_ERROR_UNEXPECTED);
parent->GetInterfaceIID(&iid);
parent->GetIIDShared(&iid);
}
if (iid) {
@ -5379,7 +5376,7 @@ nsWindowSH::GlobalResolve(nsGlobalWindow *aWin, JSContext *cx,
// interface is the interface that should be
// constructor.prototype.__proto__.
if_info->GetName(getter_Copies(class_parent_name));
if_info->GetNameShared(&class_parent_name);
} else {
// If the class does have a class interface (or there's no
// real class for this name) then the parent of the
@ -5388,11 +5385,9 @@ nsWindowSH::GlobalResolve(nsGlobalWindow *aWin, JSContext *cx,
NS_ASSERTION(parent, "Whoa, this is bad, null parent here!");
parent->GetName(getter_Copies(class_parent_name));
parent->GetNameShared(&class_parent_name);
}
}
nsMemory::Free(iid);
}
}

6
dom/src/base/nsScriptNameSpaceManager.cpp
View File

@ -311,7 +311,7 @@ nsScriptNameSpaceManager::FillHashWithDOMInterfaces()
PRBool found_old;
nsCOMPtr<nsIInterfaceInfo> if_info;
nsXPIDLCString if_name;
const char *if_name = nsnull;
const nsIID *iid;
for ( ; domInterfaces->IsDone() == NS_ENUMERATOR_FALSE; domInterfaces->Next()) {
@ -319,9 +319,9 @@ nsScriptNameSpaceManager::FillHashWithDOMInterfaces()
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIInterfaceInfo> if_info(do_QueryInterface(entry));
if_info->GetName(getter_Copies(if_name));
if_info->GetNameShared(&if_name);
if_info->GetIIDShared(&iid);
rv = RegisterInterface(if_name.get() + sizeof(NS_DOM_INTERFACE_PREFIX) - 1,
rv = RegisterInterface(if_name + sizeof(NS_DOM_INTERFACE_PREFIX) - 1,
iid, &found_old);
#ifdef DEBUG

10
extensions/java/xpcom/src/nsJavaWrapper.cpp
View File

@ -1137,15 +1137,13 @@ FinalizeParams(JNIEnv *env, const nsXPTParamInfo &aParamInfo, PRUint8 aType,
// Create the string from nsID
jstring str = nsnull;
if (iid) {
char* iid_str = iid->ToString();
if (iid_str) {
str = env->NewStringUTF(iid_str);
}
if (!iid_str || !str) {
char iid_str[NSID_LENGTH];
iid->ToProvidedString(iid_str);
str = env->NewStringUTF(iid_str);
if (!str) {
rv = NS_ERROR_OUT_OF_MEMORY;
break;
}
PR_Free(iid_str);
}
if (aParamInfo.IsRetval() && !aIsArrayElement) {

10
extensions/java/xpcom/src/nsJavaXPTCStub.cpp
View File

@ -866,15 +866,13 @@ nsJavaXPTCStub::SetupJavaParams(const nsXPTParamInfo &aParamInfo,
jobject str = nsnull;
if (iid) {
char* iid_str = iid->ToString();
if (iid_str) {
str = env->NewStringUTF(iid_str);
}
if (!iid_str || !str) {
char iid_str[NSID_LENGTH];
iid->ToProvidedString(iid_str);
str = env->NewStringUTF(iid_str);
if (!str) {
rv = NS_ERROR_OUT_OF_MEMORY;
break;
}
PR_Free(iid_str);
}
if (!aParamInfo.IsOut()) { // 'in'

13
extensions/java/xpcom/tools/genifaces/GenerateJavaInterfaces.cpp
View File

@ -416,10 +416,8 @@ public:
static const char kIIDDecl2[] = " =\n \"";
static const char kIIDDecl3[] = "\";\n\n";
nsIID* iid = nsnull;
aIInfo->GetInterfaceIID(&iid);
if (!iid)
return NS_ERROR_OUT_OF_MEMORY;
nsIID* iid;
aIInfo->GetIIDShared(&iid);
// create iid field name
nsCAutoString iid_name;
@ -435,9 +433,8 @@ public:
ToUpperCase(iid_name);
// get iid string
char* iid_str = iid->ToString();
if (!iid_str)
return NS_ERROR_OUT_OF_MEMORY;
char iid_str[NSID_LENGTH];
iid->ToProvidedString(iid_str);
PRUint32 count;
nsresult rv = out->Write(kIIDDecl1, sizeof(kIIDDecl1) - 1, &count);
@ -452,8 +449,6 @@ public:
NS_ENSURE_SUCCESS(rv, rv);
// cleanup
PR_Free(iid_str);
nsMemory::Free(iid);
return NS_OK;
}

3
extensions/python/xpcom/src/PyIInterfaceInfo.cpp
View File

@ -91,12 +91,11 @@ static PyObject *PyGetIID(PyObject *self, PyObject *args)
nsIID *iid_ret;
nsresult r;
Py_BEGIN_ALLOW_THREADS;
r = pI->GetInterfaceIID(&iid_ret);
r = pI->GetIIDShared(&iid_ret);
Py_END_ALLOW_THREADS;
if ( NS_FAILED(r) )
return PyXPCOM_BuildPyException(r);
PyObject *ret = Py_nsIID::PyObjectFromIID(*iid_ret);
nsMemory::Free(iid_ret);
return ret;
}

15
js/src/xpconnect/idl/xpcjsid.idl
View File

@ -40,19 +40,24 @@
#include "nsISupports.idl"
[scriptable, uuid(C86AE131-D101-11d2-9841-006008962422)]
[ptr] native const_nsID_ptr(const nsID);
[scriptable, uuid(baedc96a-9cee-4b6b-9160-90d257b3c8ef)]
interface nsIJSID : nsISupports
{
readonly attribute string name;
readonly attribute string number;
[noscript] readonly attribute nsIDPtr id;
readonly attribute boolean valid;
readonly attribute string name;
readonly attribute string number;
readonly attribute boolean valid;
boolean equals(in nsIJSID other);
void initialize(in string idString);
string toString();
// returns a pointer to the internal nsID. this pointer is only valid
// while the nsIJSID object remains alive!
[notxpcom] const_nsID_ptr getID();
};
[scriptable, uuid(e08dcda0-d651-11d2-9843-006008962422)]

7
js/src/xpconnect/src/xpccomponents.cpp
View File

@ -622,7 +622,7 @@ nsXPCComponents_InterfacesByID::NewEnumerate(nsIXPConnectWrappedNative *wrapper,
if(iface)
{
nsIID const *iid;
char* idstr;
char idstr[NSID_LENGTH];
JSString* jsstr;
PRBool scriptable;
@ -632,11 +632,10 @@ nsXPCComponents_InterfacesByID::NewEnumerate(nsIXPConnectWrappedNative *wrapper,
continue;
}
if(NS_SUCCEEDED(iface->GetIIDShared(&iid)) &&
nsnull != (idstr = iid->ToString()))
if(NS_SUCCEEDED(iface->GetIIDShared(&iid)))
{
iid->ToProvidedString(idstr);
jsstr = JS_NewStringCopyZ(cx, idstr);
nsMemory::Free(idstr);
if (jsstr &&
JS_ValueToId(cx, STRING_TO_JSVAL(jsstr), idp))
{

3
js/src/xpconnect/src/xpcconvert.cpp
View File

@ -669,7 +669,8 @@ XPCConvert::JSData2Native(XPCCallContext& ccx, void* d, jsval s,
if(!JSVAL_IS_OBJECT(s) ||
(!(obj = JSVAL_TO_OBJECT(s))) ||
(!(pid = xpc_JSObjectToID(cx, obj))))
(!(pid = xpc_JSObjectToID(cx, obj))) ||
(!(pid = (const nsID*) nsMemory::Clone(pid, sizeof(nsID)))))
{
return JS_FALSE;
}

194
js/src/xpconnect/src/xpcjsid.cpp
View File

@ -117,14 +117,10 @@ nsJSID::GetNumber(char * *aNumber)
return *aNumber ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHODIMP
nsJSID::GetId(nsID* *aId)
NS_IMETHODIMP_(const nsID*)
nsJSID::GetID()
{
if(!aId)
return NS_ERROR_NULL_POINTER;
*aId = (nsID*) nsMemory::Clone(&mID, sizeof(nsID));
return *aId ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
return &mID;
}
NS_IMETHODIMP
@ -143,17 +139,13 @@ nsJSID::Equals(nsIJSID *other, PRBool *_retval)
if(!_retval)
return NS_ERROR_NULL_POINTER;
*_retval = PR_FALSE;
if(!other || mID.Equals(GetInvalidIID()))
return NS_OK;
nsID* otherID;
if(NS_SUCCEEDED(other->GetId(&otherID)))
{
*_retval = mID.Equals(*otherID);
nsMemory::Free(otherID);
*_retval = PR_FALSE;
return NS_OK;
}
*_retval = other->GetID()->Equals(mID);
return NS_OK;
}
@ -163,23 +155,22 @@ nsJSID::Initialize(const char *idString)
if(!idString)
return NS_ERROR_NULL_POINTER;
PRBool success = PR_FALSE;
if(strlen(idString) && mID.Equals(GetInvalidIID()))
{
Reset();
if(idString[0] == '{')
{
nsID id;
if(id.Parse((char*)idString))
if(mID.Parse(idString))
{
mID = id;
success = PR_TRUE;
return NS_OK;
}
// error - reset to invalid state
mID = GetInvalidIID();
}
}
return success ? NS_OK : NS_ERROR_FAILURE;
return NS_ERROR_FAILURE;
}
PRBool
@ -241,6 +232,20 @@ nsJSID::NewID(const char* str)
return idObj;
}
//static
nsJSID*
nsJSID::NewID(const nsID& id)
{
nsJSID* idObj = new nsJSID();
if(idObj)
{
NS_ADDREF(idObj);
idObj->mID = id;
}
return idObj;
}
/***************************************************************************/
// Class object support so that we can share prototypes of wrapper
@ -412,19 +417,19 @@ NS_IMETHODIMP nsJSIID::GetName(char * *aName)
NS_IMETHODIMP nsJSIID::GetNumber(char * *aNumber)
{
char str[NSID_LENGTH];
const nsIID* id;
mInfo->GetIIDShared(&id);
char* str = id->ToString();
if(!str)
return NS_ERROR_OUT_OF_MEMORY;
*aNumber = (char*) nsMemory::Clone(str, strlen(str)+1);
PR_Free(str);
id->ToProvidedString(str);
*aNumber = (char*) nsMemory::Clone(str, NSID_LENGTH);
return *aNumber ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHODIMP nsJSIID::GetId(nsID* *aId)
NS_IMETHODIMP_(const nsID*) nsJSIID::GetID()
{
return mInfo->GetInterfaceIID((nsIID**)aId);
const nsIID* id;
mInfo->GetIIDShared(&id);
return id;
}
NS_IMETHODIMP nsJSIID::GetValid(PRBool *aValid)
@ -438,17 +443,13 @@ NS_IMETHODIMP nsJSIID::Equals(nsIJSID *other, PRBool *_retval)
if(!_retval)
return NS_ERROR_NULL_POINTER;
*_retval = PR_FALSE;
if(!other)
return NS_OK;
nsID* otherID;
if(NS_SUCCEEDED(other->GetId(&otherID)))
{
mInfo->IsIID((nsIID*)otherID, _retval);
nsMemory::Free(otherID);
*_retval = PR_FALSE;
return NS_OK;
}
mInfo->IsIID(other->GetID(), _retval);
return NS_OK;
}
@ -673,8 +674,8 @@ NS_IMETHODIMP nsJSCID::GetName(char * *aName)
NS_IMETHODIMP nsJSCID::GetNumber(char * *aNumber)
{return mDetails.GetNumber(aNumber);}
NS_IMETHODIMP nsJSCID::GetId(nsID* *aId)
{return mDetails.GetId(aId);}
NS_IMETHODIMP_(const nsID*) nsJSCID::GetID()
{return &mDetails.ID();}
NS_IMETHODIMP nsJSCID::GetValid(PRBool *aValid)
{return mDetails.GetValid(aValid);}
@ -736,6 +737,28 @@ nsJSCID::NewID(const char* str)
return idObj;
}
static const nsID*
GetIIDArg(PRUint32 argc, jsval* argv, JSContext* cx)
{
const nsID* iid;
// If an IID was passed in then use it
if(argc)
{
JSObject* iidobj;
jsval val = *argv;
if(JSVAL_IS_PRIMITIVE(val) ||
!(iidobj = JSVAL_TO_OBJECT(val)) ||
!(iid = xpc_JSObjectToID(cx, iidobj)))
{
return nsnull;
}
}
else
iid = &NS_GET_IID(nsISupports);
return iid;
}
/* nsISupports createInstance (); */
NS_IMETHODIMP
@ -775,32 +798,17 @@ nsJSCID::CreateInstance(nsISupports **_retval)
nsIXPCSecurityManager* sm;
sm = xpcc->GetAppropriateSecurityManager(
nsIXPCSecurityManager::HOOK_CREATE_INSTANCE);
if(sm && NS_FAILED(sm->CanCreateInstance(cx, *mDetails.GetID())))
if(sm && NS_FAILED(sm->CanCreateInstance(cx, mDetails.ID())))
{
// the security manager vetoed. It should have set an exception.
ccxp->SetExceptionWasThrown(JS_TRUE);
return NS_OK;
}
nsID iid;
// If an IID was passed in then use it
if(argc)
{
JSObject* iidobj;
jsval val = *argv;
nsID* piid = nsnull;
if(JSVAL_IS_PRIMITIVE(val) ||
!(iidobj = JSVAL_TO_OBJECT(val)) ||
!(piid = xpc_JSObjectToID(cx, iidobj)))
{
return NS_ERROR_XPC_BAD_IID;
}
iid = *piid;
nsMemory::Free(piid);
}
else
iid = NS_GET_IID(nsISupports);
const nsID* iid = GetIIDArg(argc, argv, cx);
if (!iid)
return NS_ERROR_XPC_BAD_IID;
nsCOMPtr<nsIComponentManager> compMgr;
nsresult rv = NS_GetComponentManager(getter_AddRefs(compMgr));
@ -808,7 +816,7 @@ nsJSCID::CreateInstance(nsISupports **_retval)
return NS_ERROR_UNEXPECTED;
nsCOMPtr<nsISupports> inst;
rv = compMgr->CreateInstance(*mDetails.GetID(), nsnull, iid, getter_AddRefs(inst));
rv = compMgr->CreateInstance(mDetails.ID(), nsnull, *iid, getter_AddRefs(inst));
NS_ASSERTION(NS_FAILED(rv) || inst, "component manager returned success, but instance is null!");
if(NS_FAILED(rv) || !inst)
@ -816,7 +824,7 @@ nsJSCID::CreateInstance(nsISupports **_retval)
JSObject* instJSObj;
nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
rv = xpc->WrapNative(cx, obj, inst, iid, getter_AddRefs(holder));
rv = xpc->WrapNative(cx, obj, inst, *iid, getter_AddRefs(holder));
if(NS_FAILED(rv) || !holder || NS_FAILED(holder->GetJSObject(&instJSObj)))
return NS_ERROR_XPC_CANT_CREATE_WN;
@ -863,32 +871,17 @@ nsJSCID::GetService(nsISupports **_retval)
nsIXPCSecurityManager* sm;
sm = xpcc->GetAppropriateSecurityManager(
nsIXPCSecurityManager::HOOK_GET_SERVICE);
if(sm && NS_FAILED(sm->CanCreateInstance(cx, *mDetails.GetID())))
if(sm && NS_FAILED(sm->CanCreateInstance(cx, mDetails.ID())))
{
// the security manager vetoed. It should have set an exception.
ccxp->SetExceptionWasThrown(JS_TRUE);
return NS_OK;
}
nsID iid;
// If an IID was passed in then use it
if(argc)
{
JSObject* iidobj;
jsval val = *argv;
nsID* piid = nsnull;
if(JSVAL_IS_PRIMITIVE(val) ||
!(iidobj = JSVAL_TO_OBJECT(val)) ||
!(piid = xpc_JSObjectToID(cx, iidobj)))
{
return NS_ERROR_XPC_BAD_IID;
}
iid = *piid;
nsMemory::Free(piid);
}
else
iid = NS_GET_IID(nsISupports);
const nsID* iid = GetIIDArg(argc, argv, cx);
if (!iid)
return NS_ERROR_XPC_BAD_IID;
nsCOMPtr<nsIServiceManager> svcMgr;
nsresult rv = NS_GetServiceManager(getter_AddRefs(svcMgr));
@ -896,14 +889,14 @@ nsJSCID::GetService(nsISupports **_retval)
return rv;
nsCOMPtr<nsISupports> srvc;
rv = svcMgr->GetService(*mDetails.GetID(), iid, getter_AddRefs(srvc));
rv = svcMgr->GetService(mDetails.ID(), *iid, getter_AddRefs(srvc));
NS_ASSERTION(NS_FAILED(rv) || srvc, "service manager returned success, but service is null!");
if(NS_FAILED(rv) || !srvc)
return NS_ERROR_XPC_GS_RETURNED_FAILURE;
JSObject* instJSObj;
nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
rv = xpc->WrapNative(cx, obj, srvc, iid, getter_AddRefs(holder));
rv = xpc->WrapNative(cx, obj, srvc, *iid, getter_AddRefs(holder));
if(NS_FAILED(rv) || !holder || NS_FAILED(holder->GetJSObject(&instJSObj)))
return NS_ERROR_XPC_CANT_CREATE_WN;
@ -962,7 +955,7 @@ nsJSCID::HasInstance(nsIXPConnectWrappedNative *wrapper,
{
nsID cid;
if(NS_SUCCEEDED(ci->GetClassIDNoAlloc(&cid)))
*bp = cid.Equals(*mDetails.GetID());
*bp = cid.Equals(mDetails.ID());
}
}
return rv;
@ -976,36 +969,31 @@ xpc_NewIDObject(JSContext *cx, JSObject* jsobj, const nsID& aID)
{
JSObject *obj = nsnull;
char* idString = aID.ToString();
if(idString)
nsCOMPtr<nsIJSID> iid =
dont_AddRef(static_cast<nsIJSID*>(nsJSID::NewID(aID)));
if(iid)
{
nsCOMPtr<nsIJSID> iid =
dont_AddRef(static_cast<nsIJSID*>(nsJSID::NewID(idString)));
PR_Free(idString);
if(iid)
nsXPConnect* xpc = nsXPConnect::GetXPConnect();
if(xpc)
{
nsXPConnect* xpc = nsXPConnect::GetXPConnect();
if(xpc)
nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
nsresult rv = xpc->WrapNative(cx, jsobj,
static_cast<nsISupports*>(iid),
NS_GET_IID(nsIJSID),
getter_AddRefs(holder));
if(NS_SUCCEEDED(rv) && holder)
{
nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
nsresult rv = xpc->WrapNative(cx, jsobj,
static_cast<nsISupports*>(iid),
NS_GET_IID(nsIJSID),
getter_AddRefs(holder));
if(NS_SUCCEEDED(rv) && holder)
{
holder->GetJSObject(&obj);
}
holder->GetJSObject(&obj);
}
}
}
return obj;
}
nsID*
// note: returned pointer is only valid while |obj| remains alive!
const nsID*
xpc_JSObjectToID(JSContext *cx, JSObject* obj)
{
nsID* id = nsnull;
if(!cx || !obj)
return nsnull;
@ -1017,9 +1005,9 @@ xpc_JSObjectToID(JSContext *cx, JSObject* obj)
wrapper->HasInterfaceNoQI(NS_GET_IID(nsIJSIID)) ||
wrapper->HasInterfaceNoQI(NS_GET_IID(nsIJSCID))))
{
((nsIJSID*)wrapper->GetIdentityObject())->GetId(&id);
return ((nsIJSID*)wrapper->GetIdentityObject())->GetID();
}
return id;
return nsnull;
}
JSBool

6
js/src/xpconnect/src/xpcprivate.h
View File

@ -2852,11 +2852,11 @@ public:
void SetNameToNoString()
{NS_ASSERTION(!mName, "name already set"); mName = gNoString;}
PRBool NameIsSet() const {return nsnull != mName;}
const nsID* GetID() const {return &mID;}
const nsID& ID() const {return mID;}
PRBool IsValid() const {return !mID.Equals(GetInvalidIID());}
static nsJSID* NewID(const char* str);
static nsJSID* NewID(const nsID& id);
nsJSID();
virtual ~nsJSID();
@ -3316,7 +3316,7 @@ private:
extern JSObject*
xpc_NewIDObject(JSContext *cx, JSObject* jsobj, const nsID& aID);
extern nsID*
extern const nsID*
xpc_JSObjectToID(JSContext *cx, JSObject* obj);
extern JSBool

9
js/src/xpconnect/src/xpcvariant.cpp
View File

@ -320,14 +320,9 @@ JSBool XPCVariant::InitializeData(XPCCallContext& ccx)
// Let's see if it is a xpcJSID.
// XXX It might be nice to have a non-allocing version of xpc_JSObjectToID.
nsID* id = xpc_JSObjectToID(ccx, jsobj);
const nsID* id = xpc_JSObjectToID(ccx, jsobj);
if(id)
{
JSBool success = NS_SUCCEEDED(nsVariant::SetFromID(&mData, *id));
nsMemory::Free((char*)id);
return success;
}
return NS_SUCCEEDED(nsVariant::SetFromID(&mData, *id));
// Let's see if it is a js array object.

4
js/src/xpconnect/src/xpcwrappednative.cpp
View File

@ -1950,7 +1950,7 @@ XPCWrappedNative::CallMethod(XPCCallContext& ccx,
Throw(NS_ERROR_XPC_NOT_ENOUGH_ARGS, ccx);
return JS_FALSE;
}
nsID* iid;
const nsID* iid;
JSObject* obj;
if(!JSVAL_IS_OBJECT(argv[0]) ||
(!(obj = JSVAL_TO_OBJECT(argv[0]))) ||
@ -1971,7 +1971,6 @@ XPCWrappedNative::CallMethod(XPCCallContext& ccx,
if(NS_FAILED(invokeResult))
{
ThrowBadResult(invokeResult, ccx);
PR_Free(iid);
return JS_FALSE;
}
@ -1979,7 +1978,6 @@ XPCWrappedNative::CallMethod(XPCCallContext& ccx,
retval = XPCConvert::NativeData2JS(ccx, &v, &qiresult,
nsXPTType::T_INTERFACE_IS | XPT_TDP_POINTER,
iid, ccx.GetCurrentJSObject(), &err);
PR_Free(iid);
NS_IF_RELEASE(qiresult);
if(!retval)

13
toolkit/components/places/src/nsNavBookmarks.cpp
View File

@ -49,7 +49,6 @@
#include "nsPrintfCString.h"
#include "nsAutoLock.h"
#include "nsIUUIDGenerator.h"
#include "prmem.h"
#include "prprf.h"
const PRInt32 nsNavBookmarks::kFindBookmarksIndex_ID = 0;
@ -279,10 +278,9 @@ nsNavBookmarks::Init()
nsID GUID;
rv = uuidgen->GenerateUUIDInPlace(&GUID);
NS_ENSURE_SUCCESS(rv, rv);
char* GUIDChars = GUID.ToString();
NS_ENSURE_TRUE(GUIDChars, NS_ERROR_OUT_OF_MEMORY);
mGUIDBase.Assign(NS_ConvertASCIItoUTF16(GUIDChars));
PR_Free(GUIDChars);
char GUIDChars[NSID_LENGTH];
GUID.ToProvidedString(GUIDChars);
CopyASCIItoUTF16(GUIDChars, mGUIDBase);
rv = InitRoots();
NS_ENSURE_SUCCESS(rv, rv);
@ -1739,9 +1737,10 @@ nsNavBookmarks::GetItemGUID(PRInt64 aItemId, nsAString &aGUID)
return rv;
nsAutoString tmp;
tmp.Assign(mGUIDBase);
tmp.AppendInt(mItemCount++);
aGUID.Assign(tmp);
aGUID.SetCapacity(NSID_LENGTH - 1 + tmp.Length());
aGUID.Assign(mGUIDBase);
aGUID.Append(tmp);
return SetItemGUID(aItemId, aGUID);
}

13
xpcom/glue/nsID.cpp
View File

@ -126,10 +126,10 @@ PRBool nsID::Parse(const char *aIDStr)
char *nsID::ToString() const
{
char *res = (char*)PR_Malloc(39); // use PR_Malloc if this is to be freed with nsCRT::free
char *res = (char*)PR_Malloc(NSID_LENGTH); // use PR_Malloc if this is to be freed with nsCRT::free
if (res != NULL) {
PR_snprintf(res, 39, gIDFormat,
PR_snprintf(res, NSID_LENGTH, gIDFormat,
m0, (PRUint32) m1, (PRUint32) m2,
(PRUint32) m3[0], (PRUint32) m3[1], (PRUint32) m3[2],
(PRUint32) m3[3], (PRUint32) m3[4], (PRUint32) m3[5],
@ -138,3 +138,12 @@ char *nsID::ToString() const
return res;
}
void nsID::ToProvidedString(char (&dest)[NSID_LENGTH]) const
{
PR_snprintf(dest, NSID_LENGTH, gIDFormat,
m0, (PRUint32) m1, (PRUint32) m2,
(PRUint32) m3[0], (PRUint32) m3[1], (PRUint32) m3[2],
(PRUint32) m3[3], (PRUint32) m3[4], (PRUint32) m3[5],
(PRUint32) m3[6], (PRUint32) m3[7]);
}

10
xpcom/glue/nsID.h
View File

@ -44,6 +44,8 @@
#include "nscore.h"
#endif
#define NSID_LENGTH 39
/**
* A "unique identifier". This is modeled after OSF DCE UUIDs.
* @status FROZEN
@ -95,8 +97,16 @@ struct nsID {
/**
* nsID string encoder. Returns an allocated string in
* {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} format. Caller should free string.
* YOU SHOULD ONLY USE THIS IF YOU CANNOT USE ToProvidedString() BELOW.
*/
NS_COM_GLUE char* ToString() const;
/**
* nsID string encoder. Builds a string in
* {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} format, into a char[NSID_LENGTH]
* buffer provided by the caller (for instance, on the stack).
*/
NS_COM_GLUE void ToProvidedString(char (&dest)[NSID_LENGTH]) const;
//@}
};

7
xpcom/reflect/xptinfo/src/xptiManifest.cpp
View File

@ -96,9 +96,8 @@ xpti_InterfaceWriter(PLDHashTable *table, PLDHashEntryHdr *hdr,
xptiInterfaceEntry* entry = ((xptiHashEntry*)hdr)->value;
PRFileDesc* fd = (PRFileDesc*) arg;
char* iidStr = entry->GetTheIID()->ToString();
if(!iidStr)
return PL_DHASH_STOP;
char iidStr[NSID_LENGTH];
entry->GetTheIID()->ToProvidedString(iidStr);
const xptiTypelib& typelib = entry->GetTypelibRecord();
@ -111,8 +110,6 @@ xpti_InterfaceWriter(PLDHashTable *table, PLDHashEntryHdr *hdr,
typelib.GetZipItemIndex() : -1),
(int) entry->GetScriptableFlag());
nsCRT::free(iidStr);
return success ? PL_DHASH_NEXT : PL_DHASH_STOP;
}