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pjs
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implementation of rows() and tBodies()

This commit is contained in:
buster%netscape.com 1998-11-17 16:32:29 +00:00
Родитель cc720770f8
Коммит 07ba2a028f
2 изменённых файлов: 148 добавлений и 142 удалений
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119
content/html/content/src/nsHTMLTableElement.cpp
Просмотреть файл

@ -131,7 +131,7 @@ protected:
class TableElementCollection : public nsGenericDOMHTMLCollection
{
public:
TableElementCollection(nsGenericHTMLContainerElement *aParent,
TableElementCollection(nsIContent *aParent,
nsIAtom *aTag);
virtual ~TableElementCollection();
@ -142,12 +142,12 @@ public:
NS_IMETHOD ParentDestroyed();
protected:
nsGenericHTMLContainerElement * mParent;
nsIContent * mParent;
nsIAtom * mTag;
};
TableElementCollection::TableElementCollection(nsGenericHTMLContainerElement *aParent,
TableElementCollection::TableElementCollection(nsIContent *aParent,
nsIAtom *aTag)
: nsGenericDOMHTMLCollection()
{
@ -171,31 +171,27 @@ TableElementCollection::GetLength(PRUint32* aLength)
if (nsnull==aLength)
return NS_ERROR_NULL_POINTER;
*aLength=0;
nsresult rv = NS_OK;
nsresult result = NS_OK;
if (nsnull!=mParent)
{
nsAutoString tagAsString;
mTag->ToString(tagAsString);
nsIDOMNode *child=nsnull;
mParent->GetFirstChild(&child);
nsIContent *child=nsnull;
PRUint32 childIndex=0;
mParent->ChildAt(childIndex, child);
while (nsnull!=child)
{
nsIDOMElement *element=nsnull;
nsresult rv = child->QueryInterface(kIDOMElementIID, (void**)&element);
if ((NS_SUCCEEDED(rv)) && (nsnull!=element))
nsIAtom *childTag;
child->GetTag(childTag);
if (mTag==childTag)
{
nsString elementTag;
element->GetTagName(elementTag);
if (tagAsString==elementTag)
{
*aLength++;
(*aLength)++;
}
NS_RELEASE(element);
}
child->GetNextSibling(&child);
NS_RELEASE(childTag);
NS_RELEASE(child);
childIndex++;
mParent->ChildAt(childIndex, child);
}
}
return rv;
return result;
}
NS_IMETHODIMP
@ -206,31 +202,29 @@ TableElementCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
nsresult rv = NS_OK;
if (nsnull!=mParent)
{
nsAutoString tagAsString;
mTag->ToString(tagAsString);
nsIDOMNode *child=nsnull;
mParent->GetFirstChild(&child);
nsIContent *child=nsnull;
PRUint32 childIndex=0;
mParent->ChildAt(childIndex, child);
while (nsnull!=child)
{
nsIDOMElement *element=nsnull;
nsresult rv = child->QueryInterface(kIDOMElementIID, (void**)&element);
if ((NS_SUCCEEDED(rv)) && (nsnull!=element))
{
nsString elementTag;
element->GetTagName(elementTag);
if (tagAsString==elementTag)
nsIAtom *childTag;
child->GetTag(childTag);
if (mTag==childTag)
{
if (aIndex==index)
{
element->QueryInterface(kIDOMNodeIID, (void**)aReturn); // out-param addref
child->QueryInterface(kIDOMNodeIID, (void**)aReturn); // out-param addref
NS_ASSERTION(nsnull!=aReturn, "content element must be an nsIDOMNode");
NS_RELEASE(childTag);
NS_RELEASE(child);
break;
}
index++;
}
NS_RELEASE(element);
}
child->GetNextSibling(&child);
NS_RELEASE(childTag);
NS_RELEASE(child);
childIndex++;
mParent->ChildAt(childIndex, child);
}
}
return rv;
@ -304,20 +298,26 @@ TableRowsCollection::GetLength(PRUint32* aLength)
mParent->GetTHead(&rowGroup);
if (nsnull!=rowGroup)
{
TableElementCollection head((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
rowGroup->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection head(content, nsHTMLAtoms::tr);
PRUint32 rows;
head.GetLength(&rows);
*aLength = rows;
NS_RELEASE(content);
NS_RELEASE(rowGroup);
}
mParent->GetTFoot(&rowGroup);
if (nsnull!=rowGroup)
{
TableElementCollection foot((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
rowGroup->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection foot(content, nsHTMLAtoms::tr);
PRUint32 rows;
foot.GetLength(&rows);
*aLength += rows;
NS_RELEASE(content);
NS_RELEASE(rowGroup);
}
nsIDOMHTMLCollection *tbodies;
mParent->GetTBodies(&tbodies);
@ -329,17 +329,16 @@ TableRowsCollection::GetLength(PRUint32* aLength)
tbodies->Item(index, &node);
while (nsnull!=node)
{
nsresult result = node->QueryInterface(kIDOMHTMLTableSectionElementIID,
(void**)&rowGroup);
if ((NS_SUCCEEDED(result)) && (nsnull!=rowGroup))
{
TableElementCollection body((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
node->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection body(content, nsHTMLAtoms::tr);
PRUint32 rows;
body.GetLength(&rows);
*aLength += rows;
}
index++;
NS_RELEASE(content);
NS_RELEASE(node);
tbodies->Item(index, &node);
}
}
}
@ -360,8 +359,9 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
mParent->GetTHead(&rowGroup);
if (nsnull!=rowGroup)
{
TableElementCollection head((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
rowGroup->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection head(content, nsHTMLAtoms::tr);
head.GetLength(&rowsInHead);
count = rowsInHead;
if (count>aIndex)
@ -369,6 +369,8 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
head.Item(aIndex, aReturn);
return NS_OK;
}
NS_RELEASE(content);
NS_RELEASE(rowGroup);
}
nsIDOMHTMLCollection *tbodies;
mParent->GetTBodies(&tbodies);
@ -380,12 +382,9 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
tbodies->Item(index, &node);
while (nsnull!=node)
{
nsresult result = node->QueryInterface(kIDOMHTMLTableSectionElementIID,
(void**)&rowGroup);
if ((NS_SUCCEEDED(result)) && (nsnull!=rowGroup))
{
TableElementCollection body((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
node->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection body(content, nsHTMLAtoms::tr);
PRUint32 rows;
body.GetLength(&rows);
if ((count+rows)>aIndex)
@ -394,8 +393,9 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
return NS_OK;
}
count += rows;
}
index++;
NS_RELEASE(content);
NS_RELEASE(node);
tbodies->Item(index, &node);
}
}
@ -403,9 +403,12 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
mParent->GetTFoot(&rowGroup);
if (nsnull!=rowGroup)
{
TableElementCollection foot((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
rowGroup->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection foot(content, nsHTMLAtoms::tr);
foot.Item(aIndex-count, aReturn);
NS_RELEASE(content);
NS_RELEASE(rowGroup);
}
}
return rv;
@ -654,7 +657,7 @@ nsHTMLTableElement::GetTBodies(nsIDOMHTMLCollection** aValue)
if (nsnull==mTBodies)
{
NS_ADDREF(nsHTMLAtoms::tbody);
mTBodies = new TableElementCollection(&mInner, nsHTMLAtoms::tbody);
mTBodies = new TableElementCollection((nsIContent*)this, nsHTMLAtoms::tbody);
NS_ADDREF(mTBodies); // this table's reference, released in the destructor
}
mTBodies->QueryInterface(kIDOMHTMLCollectionIID, (void **)aValue); // caller's addref

119
layout/html/content/src/nsHTMLTableElement.cpp
Просмотреть файл

@ -131,7 +131,7 @@ protected:
class TableElementCollection : public nsGenericDOMHTMLCollection
{
public:
TableElementCollection(nsGenericHTMLContainerElement *aParent,
TableElementCollection(nsIContent *aParent,
nsIAtom *aTag);
virtual ~TableElementCollection();
@ -142,12 +142,12 @@ public:
NS_IMETHOD ParentDestroyed();
protected:
nsGenericHTMLContainerElement * mParent;
nsIContent * mParent;
nsIAtom * mTag;
};
TableElementCollection::TableElementCollection(nsGenericHTMLContainerElement *aParent,
TableElementCollection::TableElementCollection(nsIContent *aParent,
nsIAtom *aTag)
: nsGenericDOMHTMLCollection()
{
@ -171,31 +171,27 @@ TableElementCollection::GetLength(PRUint32* aLength)
if (nsnull==aLength)
return NS_ERROR_NULL_POINTER;
*aLength=0;
nsresult rv = NS_OK;
nsresult result = NS_OK;
if (nsnull!=mParent)
{
nsAutoString tagAsString;
mTag->ToString(tagAsString);
nsIDOMNode *child=nsnull;
mParent->GetFirstChild(&child);
nsIContent *child=nsnull;
PRUint32 childIndex=0;
mParent->ChildAt(childIndex, child);
while (nsnull!=child)
{
nsIDOMElement *element=nsnull;
nsresult rv = child->QueryInterface(kIDOMElementIID, (void**)&element);
if ((NS_SUCCEEDED(rv)) && (nsnull!=element))
nsIAtom *childTag;
child->GetTag(childTag);
if (mTag==childTag)
{
nsString elementTag;
element->GetTagName(elementTag);
if (tagAsString==elementTag)
{
*aLength++;
(*aLength)++;
}
NS_RELEASE(element);
}
child->GetNextSibling(&child);
NS_RELEASE(childTag);
NS_RELEASE(child);
childIndex++;
mParent->ChildAt(childIndex, child);
}
}
return rv;
return result;
}
NS_IMETHODIMP
@ -206,31 +202,29 @@ TableElementCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
nsresult rv = NS_OK;
if (nsnull!=mParent)
{
nsAutoString tagAsString;
mTag->ToString(tagAsString);
nsIDOMNode *child=nsnull;
mParent->GetFirstChild(&child);
nsIContent *child=nsnull;
PRUint32 childIndex=0;
mParent->ChildAt(childIndex, child);
while (nsnull!=child)
{
nsIDOMElement *element=nsnull;
nsresult rv = child->QueryInterface(kIDOMElementIID, (void**)&element);
if ((NS_SUCCEEDED(rv)) && (nsnull!=element))
{
nsString elementTag;
element->GetTagName(elementTag);
if (tagAsString==elementTag)
nsIAtom *childTag;
child->GetTag(childTag);
if (mTag==childTag)
{
if (aIndex==index)
{
element->QueryInterface(kIDOMNodeIID, (void**)aReturn); // out-param addref
child->QueryInterface(kIDOMNodeIID, (void**)aReturn); // out-param addref
NS_ASSERTION(nsnull!=aReturn, "content element must be an nsIDOMNode");
NS_RELEASE(childTag);
NS_RELEASE(child);
break;
}
index++;
}
NS_RELEASE(element);
}
child->GetNextSibling(&child);
NS_RELEASE(childTag);
NS_RELEASE(child);
childIndex++;
mParent->ChildAt(childIndex, child);
}
}
return rv;
@ -304,20 +298,26 @@ TableRowsCollection::GetLength(PRUint32* aLength)
mParent->GetTHead(&rowGroup);
if (nsnull!=rowGroup)
{
TableElementCollection head((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
rowGroup->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection head(content, nsHTMLAtoms::tr);
PRUint32 rows;
head.GetLength(&rows);
*aLength = rows;
NS_RELEASE(content);
NS_RELEASE(rowGroup);
}
mParent->GetTFoot(&rowGroup);
if (nsnull!=rowGroup)
{
TableElementCollection foot((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
rowGroup->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection foot(content, nsHTMLAtoms::tr);
PRUint32 rows;
foot.GetLength(&rows);
*aLength += rows;
NS_RELEASE(content);
NS_RELEASE(rowGroup);
}
nsIDOMHTMLCollection *tbodies;
mParent->GetTBodies(&tbodies);
@ -329,17 +329,16 @@ TableRowsCollection::GetLength(PRUint32* aLength)
tbodies->Item(index, &node);
while (nsnull!=node)
{
nsresult result = node->QueryInterface(kIDOMHTMLTableSectionElementIID,
(void**)&rowGroup);
if ((NS_SUCCEEDED(result)) && (nsnull!=rowGroup))
{
TableElementCollection body((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
node->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection body(content, nsHTMLAtoms::tr);
PRUint32 rows;
body.GetLength(&rows);
*aLength += rows;
}
index++;
NS_RELEASE(content);
NS_RELEASE(node);
tbodies->Item(index, &node);
}
}
}
@ -360,8 +359,9 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
mParent->GetTHead(&rowGroup);
if (nsnull!=rowGroup)
{
TableElementCollection head((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
rowGroup->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection head(content, nsHTMLAtoms::tr);
head.GetLength(&rowsInHead);
count = rowsInHead;
if (count>aIndex)
@ -369,6 +369,8 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
head.Item(aIndex, aReturn);
return NS_OK;
}
NS_RELEASE(content);
NS_RELEASE(rowGroup);
}
nsIDOMHTMLCollection *tbodies;
mParent->GetTBodies(&tbodies);
@ -380,12 +382,9 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
tbodies->Item(index, &node);
while (nsnull!=node)
{
nsresult result = node->QueryInterface(kIDOMHTMLTableSectionElementIID,
(void**)&rowGroup);
if ((NS_SUCCEEDED(result)) && (nsnull!=rowGroup))
{
TableElementCollection body((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
node->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection body(content, nsHTMLAtoms::tr);
PRUint32 rows;
body.GetLength(&rows);
if ((count+rows)>aIndex)
@ -394,8 +393,9 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
return NS_OK;
}
count += rows;
}
index++;
NS_RELEASE(content);
NS_RELEASE(node);
tbodies->Item(index, &node);
}
}
@ -403,9 +403,12 @@ TableRowsCollection::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
mParent->GetTFoot(&rowGroup);
if (nsnull!=rowGroup)
{
TableElementCollection foot((nsGenericHTMLContainerElement *)rowGroup,
nsHTMLAtoms::tr);
nsIContent *content=nsnull;
rowGroup->QueryInterface(kIContentIID, (void **)&content);
TableElementCollection foot(content, nsHTMLAtoms::tr);
foot.Item(aIndex-count, aReturn);
NS_RELEASE(content);
NS_RELEASE(rowGroup);
}
}
return rv;
@ -654,7 +657,7 @@ nsHTMLTableElement::GetTBodies(nsIDOMHTMLCollection** aValue)
if (nsnull==mTBodies)
{
NS_ADDREF(nsHTMLAtoms::tbody);
mTBodies = new TableElementCollection(&mInner, nsHTMLAtoms::tbody);
mTBodies = new TableElementCollection((nsIContent*)this, nsHTMLAtoms::tbody);
NS_ADDREF(mTBodies); // this table's reference, released in the destructor
}
mTBodies->QueryInterface(kIDOMHTMLCollectionIID, (void **)aValue); // caller's addref