LCOV - app.info - content/xml/content/src/nsXMLElement.cpp

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: | 2012-07-07 | 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         1839169 : 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         1839169 :   NS_OFFSET_AND_INTERFACE_TABLE_END
          58         1830943 :   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          703679 : NS_IMPL_ADDREF_INHERITED(nsXMLElement, nsGenericElement)
          63          703669 : 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          123309 : nsXMLElement::UnbindFromTree(bool aDeep, bool aNullParent)
         190                 : {
         191          123309 :   RemoveFromIdTable();
         192                 :
         193          123309 :   return nsGenericElement::UnbindFromTree(aDeep, aNullParent);
         194                 : }

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