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[XForms] xf:textarea appears to have 4096 characters size restriction. Bug 357652, patch by surkov, r=doronr+aaronr

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git-svn-id: svn://10.0.0.236/trunk@214130 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
aaronr%us.ibm.com
2006-10-25 20:42:03 +00:00
parent 0e239fe4dc
commit a22428d3a4
2 changed files with 47 additions and 7 deletions
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23
mozilla/extensions/xforms/nsXFormsUtils.cpp
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@@ -759,8 +759,22 @@ nsXFormsUtils::GetNodeValue(nsIDOMNode* aDataNode, nsAString& aNodeValue)
case nsIDOMNode::ELEMENT_NODE:
{
// "If text child nodes are present, returns the string-value of the
// first text child node. Otherwise, returns "" (the empty string)".
// XForms specs 8.1.1 (http://www.w3.org/TR/xforms/slice8.html#ui-processing)
// says: 'if text child nodes are present, returns the string-value of the
// first text child node. Otherwise, returns "" (the empty string)'.
// The 'text child node' that is mentioned above is from the xforms
// instance document which is, according to spec, is formed by
// 'creating an XPath data model'. So we need to treat 'text node' in
// this case as an XPath text node and not a DOM text node.
// DOM XPath specs (http://www.w3.org/TR/2002/WD-DOM-Level-3-XPath-20020328/xpath.html#TextNodes)
// says:
// 'Applications using XPath in an environment with fragmented text nodes
// must manually gather the text of a single logical text node possibly
// from multiple nodes beginning with the first Text node or CDATASection
// node returned by the implementation'.
// Therefore we concatenate contiguous CDATA/DOM text nodes and return
// as node value.
// Find the first child text node.
nsCOMPtr<nsIDOMNodeList> childNodes;
@@ -771,6 +785,7 @@ nsXFormsUtils::GetNodeValue(nsIDOMNode* aDataNode, nsAString& aNodeValue)
PRUint32 childCount;
childNodes->GetLength(&childCount);
nsAutoString value;
for (PRUint32 i = 0; i < childCount; ++i) {
childNodes->Item(i, getter_AddRefs(child));
NS_ASSERTION(child, "DOMNodeList length is wrong!");
@@ -778,7 +793,9 @@ nsXFormsUtils::GetNodeValue(nsIDOMNode* aDataNode, nsAString& aNodeValue)
child->GetNodeType(&nodeType);
if (nodeType == nsIDOMNode::TEXT_NODE ||
nodeType == nsIDOMNode::CDATA_SECTION_NODE) {
child->GetNodeValue(aNodeValue);
child->GetNodeValue(value);
aNodeValue.Append(value);
} else {
break;
}
}