LCOV - code coverage report
Current view: directory - content/xml/content/src - nsXMLElement.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 73 37 50.7 %
Date: 2012-06-02 Functions: 13 11 84.6 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla Communicator client code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Pierre Phaneuf <pp@ludusdesign.com>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "nsXMLElement.h"
      40                 : #include "nsContentUtils.h" // nsAutoScriptBlocker
      41                 : 
      42                 : nsresult
      43           36770 : NS_NewXMLElement(nsIContent** aInstancePtrResult, already_AddRefed<nsINodeInfo> aNodeInfo)
      44                 : {
      45           36770 :   nsXMLElement* it = new nsXMLElement(aNodeInfo);
      46           36770 :   NS_ADDREF(*aInstancePtrResult = it);
      47           36770 :   return NS_OK;
      48                 : }
      49                 : 
      50            8110 : DOMCI_NODE_DATA(Element, nsXMLElement)
      51                 : 
      52                 : // QueryInterface implementation for nsXMLElement
      53         1836095 : NS_INTERFACE_TABLE_HEAD(nsXMLElement)
      54                 :   NS_NODE_OFFSET_AND_INTERFACE_TABLE_BEGIN(nsXMLElement)
      55                 :     NS_INTERFACE_TABLE_ENTRY(nsXMLElement, nsIDOMNode)
      56                 :     NS_INTERFACE_TABLE_ENTRY(nsXMLElement, nsIDOMElement)
      57         1836095 :   NS_OFFSET_AND_INTERFACE_TABLE_END
      58         1827869 :   NS_ELEMENT_INTERFACE_TABLE_TO_MAP_SEGUE
      59             637 :   NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(Element)
      60             523 : NS_ELEMENT_INTERFACE_MAP_END
      61                 : 
      62          703731 : NS_IMPL_ADDREF_INHERITED(nsXMLElement, nsGenericElement)
      63          703721 : NS_IMPL_RELEASE_INHERITED(nsXMLElement, nsGenericElement)
      64                 : 
      65             516 : NS_IMPL_ELEMENT_CLONE(nsXMLElement)
      66                 : 
      67                 : nsresult
      68               0 : nsXMLElement::UnsetAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
      69                 :                         bool aNotify)
      70                 : {
      71               0 :   nsAutoScriptBlocker scriptBlocker;
      72               0 :   bool isId = false;
      73               0 :   if (aAttribute == GetIDAttributeName() &&
      74                 :       aNameSpaceID == kNameSpaceID_None) {
      75                 :     // Have to do this before clearing flag. See RemoveFromIdTable
      76               0 :     RemoveFromIdTable();
      77               0 :     isId = true;
      78                 :   }
      79                 : 
      80               0 :   nsMutationGuard guard;
      81                 : 
      82               0 :   nsresult rv = nsGenericElement::UnsetAttr(aNameSpaceID, aAttribute, aNotify);
      83                 : 
      84               0 :   if (isId &&
      85               0 :       (!guard.Mutated(0) ||
      86               0 :        !mNodeInfo->GetIDAttributeAtom() ||
      87               0 :        !HasAttr(kNameSpaceID_None, GetIDAttributeName()))) {
      88               0 :     ClearHasID();
      89                 :   }
      90                 :   
      91               0 :   return rv;
      92                 : }
      93                 : 
      94                 : nsIAtom *
      95           11593 : nsXMLElement::GetIDAttributeName() const
      96                 : {
      97           11593 :   return mNodeInfo->GetIDAttributeAtom();
      98                 : }
      99                 : 
     100                 : nsIAtom*
     101             336 : nsXMLElement::DoGetID() const
     102                 : {
     103             336 :   NS_ASSERTION(HasID(), "Unexpected call");
     104                 : 
     105             336 :   const nsAttrValue* attrVal = mAttrsAndChildren.GetAttr(GetIDAttributeName());
     106             336 :   return attrVal ? attrVal->GetAtomValue() : nsnull;
     107                 : }
     108                 : 
     109                 : void
     110               0 : nsXMLElement::NodeInfoChanged(nsINodeInfo* aOldNodeInfo)
     111                 : {
     112               0 :   NS_ASSERTION(!IsInDoc() ||
     113                 :                aOldNodeInfo->GetDocument() == mNodeInfo->GetDocument(),
     114                 :                "Can only change document if we're not inside one");
     115               0 :   nsIDocument* doc = GetCurrentDoc();
     116                 : 
     117               0 :   if (HasID() && doc) {
     118                 :     const nsAttrValue* attrVal =
     119               0 :       mAttrsAndChildren.GetAttr(aOldNodeInfo->GetIDAttributeAtom());
     120               0 :     if (attrVal) {
     121               0 :       doc->RemoveFromIdTable(this, attrVal->GetAtomValue());
     122                 :     }
     123                 :   }
     124                 :   
     125               0 :   ClearHasID();
     126                 : 
     127               0 :   nsIAtom* IDName = GetIDAttributeName();
     128               0 :   if (IDName) {
     129               0 :     const nsAttrValue* attrVal = mAttrsAndChildren.GetAttr(IDName);
     130               0 :     if (attrVal) {
     131               0 :       SetHasID();
     132               0 :       if (attrVal->Type() == nsAttrValue::eString) {
     133               0 :         nsString idVal(attrVal->GetStringValue());
     134                 : 
     135                 :         // Create an atom from the value and set it into the attribute list. 
     136               0 :         const_cast<nsAttrValue*>(attrVal)->ParseAtom(idVal);
     137                 :       }
     138               0 :       NS_ASSERTION(attrVal->Type() == nsAttrValue::eAtom,
     139                 :                    "Should be atom by now");
     140               0 :       if (doc) {
     141               0 :         doc->AddToIdTable(this, attrVal->GetAtomValue());
     142                 :       }
     143                 :     }
     144                 :   }
     145               0 : }
     146                 : 
     147                 : bool
     148           11259 : nsXMLElement::ParseAttribute(PRInt32 aNamespaceID,
     149                 :                              nsIAtom* aAttribute,
     150                 :                              const nsAString& aValue,
     151                 :                              nsAttrValue& aResult)
     152                 : {
     153           11259 :   if (aAttribute == GetIDAttributeName() &&
     154                 :       aNamespaceID == kNameSpaceID_None) {
     155                 :     // Store id as an atom.  id="" means that the element has no id,
     156                 :     // not that it has an emptystring as the id.
     157             192 :     RemoveFromIdTable();
     158             192 :     if (aValue.IsEmpty()) {
     159               0 :       ClearHasID();
     160               0 :       return false;
     161                 :     }
     162             192 :     aResult.ParseAtom(aValue);
     163             192 :     SetHasID();
     164             192 :     AddToIdTable(aResult.GetAtomValue());
     165             192 :     return true;
     166                 :   }
     167                 : 
     168           11067 :   return false;
     169                 : }
     170                 : 
     171                 : nsresult
     172           37104 : nsXMLElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
     173                 :                          nsIContent* aBindingParent,
     174                 :                          bool aCompileEventHandlers)
     175                 : {
     176                 :   nsresult rv = nsGenericElement::BindToTree(aDocument, aParent,
     177                 :                                              aBindingParent,
     178           37104 :                                              aCompileEventHandlers);
     179           37104 :   NS_ENSURE_SUCCESS(rv, rv);
     180                 : 
     181           37104 :   if (aDocument && HasID() && !GetBindingParent()) {
     182             112 :     aDocument->AddToIdTable(this, DoGetID());
     183                 :   }
     184                 : 
     185           37104 :   return NS_OK;
     186                 : }
     187                 : 
     188                 : void
     189          116959 : nsXMLElement::UnbindFromTree(bool aDeep, bool aNullParent)
     190                 : {
     191          116959 :   RemoveFromIdTable();
     192                 : 
     193          116959 :   return nsGenericElement::UnbindFromTree(aDeep, aNullParent);
     194                 : }

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