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Bug 194387: Support setting xslt parameters when transforming using a PI. r/sr/a=peterv

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git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@198114 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
cvshook%sicking.cc
2006-05-21 15:18:33 +00:00
parent 1891356f69
commit d0f6fcd9d9
8 changed files with 273 additions and 10 deletions
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60
mozilla/content/xml/document/src/nsXMLContentSink.cpp
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@@ -96,6 +96,7 @@
#include "nsContentCreatorFunctions.h"
#include "nsIContentPolicy.h"
#include "nsContentPolicyUtils.h"
#include "nsIDOMProcessingInstruction.h"
#ifdef MOZ_SVG
#include "nsSVGAtoms.h"
@@ -230,6 +231,50 @@ nsXMLContentSink::MaybePrettyPrint()
return printer->PrettyPrint(mDocument);
}
static void
CheckXSLTParamPI(nsIDOMProcessingInstruction* aPi,
nsIDocumentTransformer* aProcessor,
nsIDocument* aDocument)
{
nsAutoString target, data;
aPi->GetTarget(target);
nsCOMPtr<nsIDocumentTransformer_1_8_BRANCH> proc = do_QueryInterface(aProcessor);
// Check for namespace declarations
if (target.EqualsLiteral("xslt-param-namespace")) {
aPi->GetData(data);
nsAutoString prefix, namespaceAttr;
nsParserUtils::GetQuotedAttributeValue(data, nsHTMLAtoms::prefix,
prefix);
if (!prefix.IsEmpty() &&
nsParserUtils::GetQuotedAttributeValue(data, nsHTMLAtoms::_namespace,
namespaceAttr)) {
proc->AddXSLTParamNamespace(prefix, namespaceAttr);
}
}
// Check for actual parameters
else if (target.EqualsLiteral("xslt-param")) {
aPi->GetData(data);
nsAutoString name, namespaceAttr, select, value;
nsParserUtils::GetQuotedAttributeValue(data, nsHTMLAtoms::name,
name);
nsParserUtils::GetQuotedAttributeValue(data, nsHTMLAtoms::_namespace,
namespaceAttr);
if (!nsParserUtils::GetQuotedAttributeValue(data, nsHTMLAtoms::select, select)) {
select.SetIsVoid(PR_TRUE);
}
if (!nsParserUtils::GetQuotedAttributeValue(data, nsHTMLAtoms::value, value)) {
value.SetIsVoid(PR_TRUE);
}
if (!name.IsEmpty()) {
nsCOMPtr<nsIDOMNode> doc = do_QueryInterface(aDocument);
proc->AddXSLTParam(name, namespaceAttr, select, value, doc);
}
}
}
NS_IMETHODIMP
nsXMLContentSink::DidBuildModel()
{
@@ -239,6 +284,21 @@ nsXMLContentSink::DidBuildModel()
}
if (mXSLTProcessor) {
// Check for xslt-param and xslt-param-namespace PIs
PRUint32 i;
nsIContent* child;
for (i = 0; (child = mDocument->GetChildAt(i)); ++i) {
if (child->IsContentOfType(nsIContent::ePROCESSING_INSTRUCTION)) {
nsCOMPtr<nsIDOMProcessingInstruction> pi = do_QueryInterface(child);
CheckXSLTParamPI(pi, mXSLTProcessor, mDocument);
}
else if (child->IsContentOfType(nsIContent::eELEMENT)) {
// Only honor PIs in the prolog
break;
}
}
nsCOMPtr<nsIDOMDocument> currentDOMDoc(do_QueryInterface(mDocument));
mXSLTProcessor->SetSourceContentModel(currentDOMDoc);
// Since the processor now holds a reference to us we drop our reference