Bug 1272537 - Atomize the namespace manager. r=bz

This commit is contained in:
Bobby Holley 2016-05-12 17:24:07 -07:00
Родитель f899c15099
Коммит e757c7ef27
3 изменённых файлов: 45 добавлений и 75 удалений

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@ -2433,3 +2433,15 @@ GK_ATOM(vr_state, "vr-state")
// Contextual Identity / Containers
GK_ATOM(usercontextid, "usercontextid")
// Namespaces
GK_ATOM(nsuri_xmlns, "http://www.w3.org/2000/xmlns/")
GK_ATOM(nsuri_xml, "http://www.w3.org/XML/1998/namespace")
GK_ATOM(nsuri_xhtml, "http://www.w3.org/1999/xhtml")
GK_ATOM(nsuri_xlink, "http://www.w3.org/1999/xlink")
GK_ATOM(nsuri_xslt, "http://www.w3.org/1999/XSL/Transform")
GK_ATOM(nsuri_xbl, "http://www.mozilla.org/xbl")
GK_ATOM(nsuri_mathml, "http://www.w3.org/1998/Math/MathML")
GK_ATOM(nsuri_rdf, "http://www.w3.org/1999/02/22-rdf-syntax-ns#")
GK_ATOM(nsuri_xul, "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul")
GK_ATOM(nsuri_svg, "http://www.w3.org/2000/svg")

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@ -16,6 +16,7 @@
#include "mozilla/dom/NodeInfo.h"
#include "nsCOMArray.h"
#include "nsContentCreatorFunctions.h"
#include "nsGkAtoms.h"
#include "nsString.h"
#include "mozilla/dom/NodeInfo.h"
#include "mozilla/ClearOnShutdown.h"
@ -25,17 +26,6 @@
using namespace mozilla;
using namespace mozilla::dom;
#define kXMLNSNameSpaceURI "http://www.w3.org/2000/xmlns/"
#define kXMLNameSpaceURI "http://www.w3.org/XML/1998/namespace"
#define kXHTMLNameSpaceURI "http://www.w3.org/1999/xhtml"
#define kXLinkNameSpaceURI "http://www.w3.org/1999/xlink"
#define kXSLTNameSpaceURI "http://www.w3.org/1999/XSL/Transform"
#define kXBLNameSpaceURI "http://www.mozilla.org/xbl"
#define kMathMLNameSpaceURI "http://www.w3.org/1998/Math/MathML"
#define kRDFNameSpaceURI "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
#define kXULNameSpaceURI "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
#define kSVGNameSpaceURI "http://www.w3.org/2000/svg"
StaticAutoPtr<nsNameSpaceManager> nsNameSpaceManager::sInstance;
/* static */ nsNameSpaceManager*
@ -57,20 +47,20 @@ bool nsNameSpaceManager::Init()
{
nsresult rv;
#define REGISTER_NAMESPACE(uri, id) \
rv = AddNameSpace(NS_LITERAL_STRING(uri), id); \
rv = AddNameSpace(dont_AddRef(uri), id); \
NS_ENSURE_SUCCESS(rv, false)
// Need to be ordered according to ID.
REGISTER_NAMESPACE(kXMLNSNameSpaceURI, kNameSpaceID_XMLNS);
REGISTER_NAMESPACE(kXMLNameSpaceURI, kNameSpaceID_XML);
REGISTER_NAMESPACE(kXHTMLNameSpaceURI, kNameSpaceID_XHTML);
REGISTER_NAMESPACE(kXLinkNameSpaceURI, kNameSpaceID_XLink);
REGISTER_NAMESPACE(kXSLTNameSpaceURI, kNameSpaceID_XSLT);
REGISTER_NAMESPACE(kXBLNameSpaceURI, kNameSpaceID_XBL);
REGISTER_NAMESPACE(kMathMLNameSpaceURI, kNameSpaceID_MathML);
REGISTER_NAMESPACE(kRDFNameSpaceURI, kNameSpaceID_RDF);
REGISTER_NAMESPACE(kXULNameSpaceURI, kNameSpaceID_XUL);
REGISTER_NAMESPACE(kSVGNameSpaceURI, kNameSpaceID_SVG);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_xmlns, kNameSpaceID_XMLNS);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_xml, kNameSpaceID_XML);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_xhtml, kNameSpaceID_XHTML);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_xlink, kNameSpaceID_XLink);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_xslt, kNameSpaceID_XSLT);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_xbl, kNameSpaceID_XBL);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_mathml, kNameSpaceID_MathML);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_rdf, kNameSpaceID_RDF);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_xul, kNameSpaceID_XUL);
REGISTER_NAMESPACE(nsGkAtoms::nsuri_svg, kNameSpaceID_SVG);
#undef REGISTER_NAMESPACE
@ -87,11 +77,12 @@ nsNameSpaceManager::RegisterNameSpace(const nsAString& aURI,
return NS_OK;
}
nsCOMPtr<nsIAtom> atom = NS_Atomize(aURI);
nsresult rv = NS_OK;
if (!mURIToIDTable.Get(&aURI, &aNameSpaceID)) {
if (!mURIToIDTable.Get(atom, &aNameSpaceID)) {
aNameSpaceID = mURIArray.Length() + 1; // id is index + 1
rv = AddNameSpace(aURI, aNameSpaceID);
rv = AddNameSpace(atom.forget(), aNameSpaceID);
if (NS_FAILED(rv)) {
aNameSpaceID = kNameSpaceID_Unknown;
}
@ -114,7 +105,7 @@ nsNameSpaceManager::GetNameSpaceURI(int32_t aNameSpaceID, nsAString& aURI)
return NS_ERROR_ILLEGAL_VALUE;
}
aURI = *mURIArray.ElementAt(index);
mURIArray.ElementAt(index)->ToString(aURI);
return NS_OK;
}
@ -128,7 +119,8 @@ nsNameSpaceManager::GetNameSpaceID(const nsAString& aURI)
int32_t nameSpaceID;
if (mURIToIDTable.Get(&aURI, &nameSpaceID)) {
nsCOMPtr<nsIAtom> atom = NS_Atomize(aURI);
if (mURIToIDTable.Get(atom, &nameSpaceID)) {
NS_POSTCONDITION(nameSpaceID >= 0, "Bogus namespace ID");
return nameSpaceID;
}
@ -177,9 +169,10 @@ nsNameSpaceManager::HasElementCreator(int32_t aNameSpaceID)
false;
}
nsresult nsNameSpaceManager::AddNameSpace(const nsAString& aURI,
nsresult nsNameSpaceManager::AddNameSpace(already_AddRefed<nsIAtom> aURI,
const int32_t aNameSpaceID)
{
nsCOMPtr<nsIAtom> uri = aURI;
if (aNameSpaceID < 0) {
// We've wrapped... Can't do anything else here; just bail.
return NS_ERROR_OUT_OF_MEMORY;
@ -188,13 +181,8 @@ nsresult nsNameSpaceManager::AddNameSpace(const nsAString& aURI,
NS_ASSERTION(aNameSpaceID - 1 == (int32_t) mURIArray.Length(),
"BAD! AddNameSpace not called in right order!");
nsString* uri = new nsString(aURI);
if (!mURIArray.AppendElement(uri)) {
delete uri;
return NS_ERROR_OUT_OF_MEMORY;
}
mURIToIDTable.Put(uri, aNameSpaceID);
mURIArray.AppendElement(uri.forget());
mURIToIDTable.Put(mURIArray.LastElement(), aNameSpaceID);
return NS_OK;
}

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@ -8,50 +8,14 @@
#define nsNameSpaceManager_h___
#include "nsDataHashtable.h"
#include "nsHashKeys.h"
#include "nsIAtom.h"
#include "nsTArray.h"
#include "mozilla/StaticPtr.h"
class nsAString;
class nsNameSpaceKey : public PLDHashEntryHdr
{
public:
typedef const nsAString* KeyType;
typedef const nsAString* KeyTypePointer;
explicit nsNameSpaceKey(KeyTypePointer aKey) : mKey(aKey)
{
}
nsNameSpaceKey(const nsNameSpaceKey& toCopy) : mKey(toCopy.mKey)
{
}
KeyType GetKey() const
{
return mKey;
}
bool KeyEquals(KeyType aKey) const
{
return mKey->Equals(*aKey);
}
static KeyTypePointer KeyToPointer(KeyType aKey)
{
return aKey;
}
static PLDHashNumber HashKey(KeyTypePointer aKey) {
return mozilla::HashString(*aKey);
}
enum {
ALLOW_MEMMOVE = true
};
private:
const nsAString* mKey;
};
/**
* The Name Space Manager tracks the association between a NameSpace
* URI and the int32_t runtime id. Mappings between NameSpaces and
@ -75,6 +39,12 @@ public:
int32_t& aNameSpaceID);
virtual nsresult GetNameSpaceURI(int32_t aNameSpaceID, nsAString& aURI);
nsIAtom* NameSpaceURIAtom(int32_t aNameSpaceID) {
MOZ_ASSERT(aNameSpaceID > 0 && (int64_t) aNameSpaceID <= (int64_t) mURIArray.Length());
return mURIArray.ElementAt(aNameSpaceID - 1); // id is index + 1
}
virtual int32_t GetNameSpaceID(const nsAString& aURI);
virtual bool HasElementCreator(int32_t aNameSpaceID);
@ -82,10 +52,10 @@ public:
static nsNameSpaceManager* GetInstance();
private:
bool Init();
nsresult AddNameSpace(const nsAString& aURI, const int32_t aNameSpaceID);
nsresult AddNameSpace(already_AddRefed<nsIAtom> aURI, const int32_t aNameSpaceID);
nsDataHashtable<nsNameSpaceKey,int32_t> mURIToIDTable;
nsTArray< nsAutoPtr<nsString> > mURIArray;
nsDataHashtable<nsISupportsHashKey, int32_t> mURIToIDTable;
nsTArray<nsCOMPtr<nsIAtom>> mURIArray;
static mozilla::StaticAutoPtr<nsNameSpaceManager> sInstance;
};