435 lines
12 KiB
C++
435 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
#include "nsINameSpaceManager.h"
|
|
#include "nsINameSpace.h"
|
|
#include "nsHashtable.h"
|
|
#include "nsVoidArray.h"
|
|
#include "nsLayoutAtoms.h"
|
|
#include "nsString.h"
|
|
#include "nsCRT.h"
|
|
|
|
static NS_DEFINE_IID(kINameSpaceManagerIID, NS_INAMESPACEMANAGER_IID);
|
|
static NS_DEFINE_IID(kINameSpaceIID, NS_INAMESPACE_IID);
|
|
|
|
|
|
static const char kXMLNSNameSpaceURI[] = "http://www.w3.org/2000/xmlns";
|
|
static const char kXMLNameSpaceURI[] = "http://www.w3.org/XML/1998/namespace";
|
|
static const char kHTMLNameSpaceURI[] = "http://www.w3.org/TR/REC-html40"; // XXX?? "urn:w3-org-ns:HTML"??
|
|
// XXX To be removed: Bug 7834 ---
|
|
static const char kXHTMLNameSpaceURI[] = "http://www.w3.org/1999/xhtml";
|
|
static const char kXLinkNameSpaceURI[] = "http://www.w3.org/1999/xlink";
|
|
|
|
//-----------------------------------------------------------
|
|
// Name Space ID table support
|
|
|
|
static PRInt32 gNameSpaceTableRefs;
|
|
static nsHashtable* gURIToIDTable;
|
|
static nsVoidArray* gURIArray;
|
|
|
|
static void AddRefTable()
|
|
{
|
|
if (0 == gNameSpaceTableRefs++) {
|
|
NS_ASSERTION(nsnull == gURIToIDTable, "already have URI table");
|
|
NS_ASSERTION(nsnull == gURIArray, "already have URI array");
|
|
|
|
gURIToIDTable = new nsHashtable();
|
|
gURIArray = new nsVoidArray();
|
|
|
|
nsString* xmlns = new nsString( NS_ConvertToString(kXMLNSNameSpaceURI) );
|
|
nsString* xml = new nsString( NS_ConvertToString(kXMLNameSpaceURI) );
|
|
nsString* xhtml = new nsString( NS_ConvertToString(kXHTMLNameSpaceURI) );
|
|
nsString* xlink = new nsString( NS_ConvertToString(kXLinkNameSpaceURI) );
|
|
nsString* html = new nsString( NS_ConvertToString(kHTMLNameSpaceURI) );
|
|
gURIArray->AppendElement(xmlns); // ordering here needs to match IDs
|
|
gURIArray->AppendElement(xml);
|
|
gURIArray->AppendElement(xhtml);
|
|
gURIArray->AppendElement(xlink);
|
|
gURIArray->AppendElement(html);
|
|
nsStringKey xmlnsKey(*xmlns);
|
|
nsStringKey xmlKey(*xml);
|
|
nsStringKey xhtmlKey(*xhtml);
|
|
nsStringKey xlinkKey(*xlink);
|
|
nsStringKey htmlKey(*html);
|
|
gURIToIDTable->Put(&xmlnsKey, (void*)kNameSpaceID_XMLNS);
|
|
gURIToIDTable->Put(&xmlKey, (void*)kNameSpaceID_XML);
|
|
gURIToIDTable->Put(&xhtmlKey, (void*)kNameSpaceID_HTML);
|
|
gURIToIDTable->Put(&xlinkKey, (void*)kNameSpaceID_XLink);
|
|
gURIToIDTable->Put(&htmlKey, (void*)kNameSpaceID_HTML);
|
|
}
|
|
NS_ASSERTION(nsnull != gURIToIDTable, "no URI table");
|
|
NS_ASSERTION(nsnull != gURIArray, "no URI array");
|
|
}
|
|
|
|
static void ReleaseTable()
|
|
{
|
|
if (0 == --gNameSpaceTableRefs) {
|
|
delete gURIToIDTable;
|
|
PRInt32 index = gURIArray->Count();
|
|
while (0 < index--) {
|
|
nsString* str = (nsString*)gURIArray->ElementAt(index);
|
|
delete str;
|
|
}
|
|
delete gURIArray;
|
|
gURIToIDTable = nsnull;
|
|
gURIArray = nsnull;
|
|
}
|
|
}
|
|
|
|
static PRInt32 FindNameSpaceID(const nsAReadableString& aURI)
|
|
{
|
|
NS_ASSERTION(nsnull != gURIToIDTable, "no URI table");
|
|
nsStringKey key(aURI);
|
|
void* value = gURIToIDTable->Get(&key);
|
|
if (nsnull != value) {
|
|
return PRInt32(value);
|
|
}
|
|
return kNameSpaceID_Unknown;
|
|
}
|
|
|
|
static const nsString* FindNameSpaceURI(PRInt32 aID)
|
|
{
|
|
NS_ASSERTION(nsnull != gURIArray, "no URI array");
|
|
return (const nsString*)gURIArray->ElementAt(aID - 1);
|
|
}
|
|
|
|
//-----------------------------------------------------------
|
|
// Name Space
|
|
|
|
class NameSpaceImpl : public nsINameSpace {
|
|
public:
|
|
NameSpaceImpl(nsINameSpaceManager* aManager,
|
|
NameSpaceImpl* aParent,
|
|
nsIAtom* aPrefix,
|
|
const nsAReadableString& aURI);
|
|
NameSpaceImpl(nsINameSpaceManager* aManager,
|
|
NameSpaceImpl* aParent,
|
|
nsIAtom* aPrefix,
|
|
PRInt32 aNameSpaceID);
|
|
virtual ~NameSpaceImpl();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHOD GetNameSpaceManager(nsINameSpaceManager*& aManager) const;
|
|
|
|
NS_IMETHOD GetNameSpaceID(PRInt32& aID) const;
|
|
NS_IMETHOD GetNameSpaceURI(nsAWritableString& aURI) const;
|
|
NS_IMETHOD GetNameSpacePrefix(nsIAtom*& aPrefix) const;
|
|
|
|
NS_IMETHOD GetParentNameSpace(nsINameSpace*& aParent) const;
|
|
|
|
NS_IMETHOD FindNameSpace(nsIAtom* aPrefix, nsINameSpace*& aNameSpace) const;
|
|
NS_IMETHOD FindNameSpaceID(nsIAtom* aPrefix, PRInt32& aNameSpaceID) const;
|
|
NS_IMETHOD FindNameSpacePrefix(PRInt32 aNameSpaceID, nsIAtom*& aPrefix) const;
|
|
|
|
NS_IMETHOD CreateChildNameSpace(nsIAtom* aPrefix, const nsAReadableString& aURI,
|
|
nsINameSpace*& aChildNameSpace);
|
|
NS_IMETHOD CreateChildNameSpace(nsIAtom* aPrefix, PRInt32 aNameSpaceID,
|
|
nsINameSpace*& aChildNameSpace);
|
|
|
|
private:
|
|
// These are not supported and are not implemented!
|
|
NameSpaceImpl(const NameSpaceImpl& aCopy);
|
|
NameSpaceImpl& operator=(const NameSpaceImpl& aCopy);
|
|
|
|
public:
|
|
nsINameSpaceManager* mManager;
|
|
NameSpaceImpl* mParent;
|
|
nsIAtom* mPrefix;
|
|
PRInt32 mID;
|
|
};
|
|
|
|
NameSpaceImpl::NameSpaceImpl(nsINameSpaceManager* aManager,
|
|
NameSpaceImpl* aParent,
|
|
nsIAtom* aPrefix,
|
|
const nsAReadableString& aURI)
|
|
: mManager(aManager),
|
|
mParent(aParent),
|
|
mPrefix(aPrefix)
|
|
{
|
|
NS_ASSERTION(nsnull != aManager, "null namespace manager");
|
|
NS_INIT_REFCNT();
|
|
NS_ADDREF(mManager);
|
|
NS_IF_ADDREF(mParent);
|
|
NS_IF_ADDREF(mPrefix);
|
|
mManager->RegisterNameSpace(aURI, mID);
|
|
}
|
|
|
|
NameSpaceImpl::NameSpaceImpl(nsINameSpaceManager* aManager,
|
|
NameSpaceImpl* aParent,
|
|
nsIAtom* aPrefix,
|
|
PRInt32 aNameSpaceID)
|
|
: mManager(aManager),
|
|
mParent(aParent),
|
|
mPrefix(aPrefix),
|
|
mID(aNameSpaceID)
|
|
{
|
|
NS_ASSERTION(nsnull != aManager, "null namespace manager");
|
|
NS_INIT_REFCNT();
|
|
NS_ADDREF(mManager);
|
|
NS_IF_ADDREF(mParent);
|
|
NS_IF_ADDREF(mPrefix);
|
|
}
|
|
|
|
NameSpaceImpl::~NameSpaceImpl()
|
|
{
|
|
NS_RELEASE(mManager);
|
|
NS_IF_RELEASE(mParent);
|
|
NS_IF_RELEASE(mPrefix);
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(NameSpaceImpl, kINameSpaceIID)
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::GetNameSpaceManager(nsINameSpaceManager*& aManager) const
|
|
{
|
|
NS_ASSERTION(nsnull != aManager, "null namespace manager");
|
|
aManager = mManager;
|
|
NS_ADDREF(aManager);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::GetNameSpaceID(PRInt32& aID) const
|
|
{
|
|
aID = mID;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::GetNameSpaceURI(nsAWritableString& aURI) const
|
|
{
|
|
NS_ASSERTION(nsnull != mManager, "null namespace manager");
|
|
return mManager->GetNameSpaceURI(mID, aURI);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::GetNameSpacePrefix(nsIAtom*& aPrefix) const
|
|
{
|
|
aPrefix = mPrefix;
|
|
NS_IF_ADDREF(aPrefix);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::GetParentNameSpace(nsINameSpace*& aParent) const
|
|
{
|
|
aParent = mParent;
|
|
NS_IF_ADDREF(aParent);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::FindNameSpace(nsIAtom* aPrefix, nsINameSpace*& aNameSpace) const
|
|
{
|
|
const NameSpaceImpl* nameSpace = this;
|
|
do {
|
|
if (aPrefix == nameSpace->mPrefix) {
|
|
aNameSpace = (nsINameSpace*)nameSpace;
|
|
NS_ADDREF(aNameSpace);
|
|
return NS_OK;
|
|
}
|
|
nameSpace = nameSpace->mParent;
|
|
}
|
|
while (nsnull != nameSpace);
|
|
aNameSpace = nsnull;
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::FindNameSpaceID(nsIAtom* aPrefix, PRInt32& aNameSpaceID) const
|
|
{
|
|
const NameSpaceImpl* nameSpace = this;
|
|
do {
|
|
if (aPrefix == nameSpace->mPrefix) {
|
|
aNameSpaceID = nameSpace->mID;
|
|
return NS_OK;
|
|
}
|
|
nameSpace = nameSpace->mParent;
|
|
} while (nsnull != nameSpace);
|
|
|
|
if (nsnull == aPrefix) {
|
|
aNameSpaceID = kNameSpaceID_None;
|
|
}
|
|
else {
|
|
aNameSpaceID = kNameSpaceID_Unknown;
|
|
}
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::FindNameSpacePrefix(PRInt32 aNameSpaceID, nsIAtom*& aPrefix) const
|
|
{
|
|
const NameSpaceImpl* nameSpace = this;
|
|
do {
|
|
if (aNameSpaceID == nameSpace->mID) {
|
|
aPrefix = nameSpace->mPrefix;
|
|
NS_IF_ADDREF(aPrefix);
|
|
return NS_OK;
|
|
}
|
|
nameSpace = nameSpace->mParent;
|
|
}
|
|
while (nsnull != nameSpace);
|
|
aPrefix = nsnull;
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::CreateChildNameSpace(nsIAtom* aPrefix, const nsAReadableString& aURI,
|
|
nsINameSpace*& aChildNameSpace)
|
|
{
|
|
NameSpaceImpl* child = new NameSpaceImpl(mManager, this, aPrefix, aURI);
|
|
|
|
if (child) {
|
|
return child->QueryInterface(kINameSpaceIID, (void**)&aChildNameSpace);
|
|
}
|
|
aChildNameSpace = nsnull;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceImpl::CreateChildNameSpace(nsIAtom* aPrefix, PRInt32 aNameSpaceID,
|
|
nsINameSpace*& aChildNameSpace)
|
|
{
|
|
if (FindNameSpaceURI(aNameSpaceID)) {
|
|
NameSpaceImpl* child = new NameSpaceImpl(mManager, this, aPrefix, aNameSpaceID);
|
|
|
|
if (child) {
|
|
return child->QueryInterface(kINameSpaceIID, (void**)&aChildNameSpace);
|
|
}
|
|
aChildNameSpace = nsnull;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
aChildNameSpace = nsnull;
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
//-----------------------------------------------------------
|
|
// Name Space Manager
|
|
|
|
class NameSpaceManagerImpl : public nsINameSpaceManager {
|
|
public:
|
|
NameSpaceManagerImpl();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHOD CreateRootNameSpace(nsINameSpace*& aRootNameSpace);
|
|
|
|
NS_IMETHOD RegisterNameSpace(const nsAReadableString& aURI,
|
|
PRInt32& aNameSpaceID);
|
|
|
|
NS_IMETHOD GetNameSpaceURI(PRInt32 aNameSpaceID, nsAWritableString& aURI);
|
|
NS_IMETHOD GetNameSpaceID(const nsAReadableString& aURI, PRInt32& aNameSpaceID);
|
|
|
|
private:
|
|
// These are not supported and are not implemented!
|
|
NameSpaceManagerImpl(const NameSpaceManagerImpl& aCopy);
|
|
NameSpaceManagerImpl& operator=(const NameSpaceManagerImpl& aCopy);
|
|
|
|
protected:
|
|
virtual ~NameSpaceManagerImpl();
|
|
|
|
};
|
|
|
|
NameSpaceManagerImpl::NameSpaceManagerImpl()
|
|
{
|
|
NS_INIT_REFCNT();
|
|
AddRefTable();
|
|
}
|
|
|
|
NameSpaceManagerImpl::~NameSpaceManagerImpl()
|
|
{
|
|
ReleaseTable();
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(NameSpaceManagerImpl, kINameSpaceManagerIID)
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceManagerImpl::CreateRootNameSpace(nsINameSpace*& aRootNameSpace)
|
|
{
|
|
nsresult rv = NS_ERROR_OUT_OF_MEMORY;
|
|
aRootNameSpace = nsnull;
|
|
|
|
NameSpaceImpl* xmlns = new NameSpaceImpl(this, nsnull, nsLayoutAtoms::xmlnsNameSpace, kNameSpaceID_XMLNS);
|
|
if (nsnull != xmlns) {
|
|
NameSpaceImpl* xml = new NameSpaceImpl(this, xmlns, nsLayoutAtoms::xmlNameSpace, kNameSpaceID_XML);
|
|
if (nsnull != xml) {
|
|
rv = xml->QueryInterface(kINameSpaceIID, (void**)&aRootNameSpace);
|
|
}
|
|
else {
|
|
delete xmlns;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceManagerImpl::RegisterNameSpace(const nsAReadableString& aURI,
|
|
PRInt32& aNameSpaceID)
|
|
{
|
|
PRInt32 id = FindNameSpaceID(aURI);
|
|
|
|
if (kNameSpaceID_Unknown == id) {
|
|
nsString* uri = new nsString(aURI);
|
|
gURIArray->AppendElement(uri);
|
|
id = gURIArray->Count(); // id is index + 1
|
|
nsStringKey key(*uri);
|
|
gURIToIDTable->Put(&key, (void*)id);
|
|
}
|
|
aNameSpaceID = id;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceManagerImpl::GetNameSpaceURI(PRInt32 aNameSpaceID, nsAWritableString& aURI)
|
|
{
|
|
const nsString* result = FindNameSpaceURI(aNameSpaceID);
|
|
if (nsnull != result) {
|
|
aURI = *result;
|
|
return NS_OK;
|
|
}
|
|
aURI.Truncate();
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
NameSpaceManagerImpl::GetNameSpaceID(const nsAReadableString& aURI, PRInt32& aNameSpaceID)
|
|
{
|
|
aNameSpaceID = FindNameSpaceID(aURI);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_LAYOUT nsresult
|
|
NS_NewNameSpaceManager(nsINameSpaceManager** aInstancePtrResult)
|
|
{
|
|
if (aInstancePtrResult == nsnull) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NameSpaceManagerImpl *it = new NameSpaceManagerImpl();
|
|
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
return it->QueryInterface(kINameSpaceManagerIID, (void **) aInstancePtrResult);
|
|
}
|