static xmlDocPtr docLoaderFunc(const xmlChar* uri,
xmlDictPtr,
int options,
void* ctxt,
xsltLoadType type)
{
if (!globalProcessor)
return 0;
switch (type) {
case XSLT_LOAD_DOCUMENT: {
xsltTransformContextPtr context = (xsltTransformContextPtr)ctxt;
xmlChar* base = xmlNodeGetBase(context->document->doc, context->node);
KURL url(KURL(ParsedURLString, reinterpret_cast<const char*>(base)), reinterpret_cast<const char*>(uri));
xmlFree(base);
ResourceLoaderOptions fetchOptions(ResourceFetcher::defaultResourceOptions());
FetchRequest request(ResourceRequest(url), FetchInitiatorTypeNames::xml, fetchOptions);
request.setOriginRestriction(FetchRequest::RestrictToSameOrigin);
ResourcePtr<Resource> resource = globalResourceFetcher->fetchSynchronously(request);
if (!resource || !globalProcessor)
return 0;
PageConsole* console = 0;
Frame* frame = globalProcessor->xslStylesheet()->ownerDocument()->frame();
if (frame && frame->page())
console = &frame->page()->console();
xmlSetStructuredErrorFunc(console, XSLTProcessor::parseErrorFunc);
xmlSetGenericErrorFunc(console, XSLTProcessor::genericErrorFunc);
// We don't specify an encoding here. Neither Gecko nor WinIE respects
// the encoding specified in the HTTP headers.
SharedBuffer* data = resource->resourceBuffer();
xmlDocPtr doc = data ? xmlReadMemory(data->data(), data->size(), (const char*)uri, 0, options) : 0;
xmlSetStructuredErrorFunc(0, 0);
xmlSetGenericErrorFunc(0, 0);
return doc;
}
case XSLT_LOAD_STYLESHEET:
return globalProcessor->xslStylesheet()->locateStylesheetSubResource(((xsltStylesheetPtr)ctxt)->doc, uri);
default:
break;
}
return 0;
}
void XSLImportRule::loadSheet()
{
Document* ownerDocument = nullptr;
XSLStyleSheet* rootSheet = parentStyleSheet();
if (rootSheet) {
while (XSLStyleSheet* parentSheet = rootSheet->parentStyleSheet())
rootSheet = parentSheet;
}
if (rootSheet)
ownerDocument = rootSheet->ownerDocument();
String absHref = m_strHref;
XSLStyleSheet* parentSheet = parentStyleSheet();
if (!parentSheet->baseURL().isNull()) {
// Use parent styleheet's URL as the base URL
absHref = KURL(parentSheet->baseURL(), m_strHref).getString();
}
// Check for a cycle in our import chain. If we encounter a stylesheet in
// our parent chain with the same URL, then just bail.
for (XSLStyleSheet* parentSheet = parentStyleSheet(); parentSheet; parentSheet = parentSheet->parentStyleSheet()) {
if (absHref == parentSheet->baseURL().getString())
return;
}
ResourceLoaderOptions fetchOptions(ResourceFetcher::defaultResourceOptions());
FetchRequest request(ResourceRequest(ownerDocument->completeURL(absHref)), FetchInitiatorTypeNames::xml, fetchOptions);
request.setOriginRestriction(FetchRequest::RestrictToSameOrigin);
RawPtr<XSLStyleSheetResource> resource = XSLStyleSheetResource::fetchSynchronously(request, ownerDocument->fetcher());
if (!resource || !resource->sheet())
return;
ASSERT(!m_styleSheet);
setXSLStyleSheet(absHref, resource->response().url(), resource->sheet());
}
