Files
tubestation/dom/file/uri/FontTableURIProtocolHandler.cpp

155 lines
4.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "FontTableURIProtocolHandler.h"
#include "mozilla/ModuleUtils.h"
#include "nsNetUtil.h"
using namespace mozilla;
using namespace mozilla::dom;
/* static */ nsresult
FontTableURIProtocolHandler::GenerateURIString(nsACString& aUri)
{
nsresult rv;
nsCOMPtr<nsIUUIDGenerator> uuidgen =
do_GetService("@mozilla.org/uuid-generator;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsID id;
rv = uuidgen->GenerateUUIDInPlace(&id);
NS_ENSURE_SUCCESS(rv, rv);
char chars[NSID_LENGTH];
id.ToProvidedString(chars);
aUri = FONTTABLEURI_SCHEME;
aUri.Append(':');
aUri += Substring(chars + 1, chars + NSID_LENGTH - 2);
return NS_OK;
}
FontTableURIProtocolHandler::FontTableURIProtocolHandler() = default;
FontTableURIProtocolHandler::~FontTableURIProtocolHandler() = default;
NS_IMPL_ISUPPORTS(FontTableURIProtocolHandler, nsIProtocolHandler,
nsISupportsWeakReference)
NS_IMETHODIMP
FontTableURIProtocolHandler::GetDefaultPort(int32_t *result)
{
*result = -1;
return NS_OK;
}
NS_IMETHODIMP
FontTableURIProtocolHandler::GetProtocolFlags(uint32_t *result)
{
*result = URI_NORELATIVE | URI_NOAUTH | URI_LOADABLE_BY_SUBSUMERS |
URI_NON_PERSISTABLE | URI_IS_LOCAL_RESOURCE;
return NS_OK;
}
NS_IMETHODIMP
FontTableURIProtocolHandler::GetFlagsForURI(nsIURI *aURI, uint32_t *aResult)
{
return FontTableURIProtocolHandler::GetProtocolFlags(aResult);
}
NS_IMETHODIMP
FontTableURIProtocolHandler::NewChannel2(nsIURI* uri,
nsILoadInfo* aLoadInfo,
nsIChannel** result)
{
return NS_ERROR_DOM_BAD_URI;
}
NS_IMETHODIMP
FontTableURIProtocolHandler::NewChannel(nsIURI* uri, nsIChannel* *result)
{
return NS_ERROR_DOM_BAD_URI;
}
NS_IMETHODIMP
FontTableURIProtocolHandler::AllowPort(int32_t port, const char *scheme,
bool *_retval)
{
*_retval = false;
return NS_OK;
}
NS_IMETHODIMP
FontTableURIProtocolHandler::GetScheme(nsACString &result)
{
result.AssignLiteral(FONTTABLEURI_SCHEME);
return NS_OK;
}
NS_IMETHODIMP
FontTableURIProtocolHandler::NewURI(const nsACString& aSpec,
const char *aCharset,
nsIURI *aBaseURI,
nsIURI **aResult)
{
nsresult rv;
nsCOMPtr<nsIURI> uri;
// Either you got here via a ref or a fonttable: uri
if (aSpec.Length() && aSpec.CharAt(0) == '#') {
rv = NS_MutateURI(aBaseURI)
.SetRef(aSpec)
.Finalize(uri);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// Relative URIs (other than #ref) are not meaningful within the
// fonttable: scheme.
// If aSpec is a relative URI -other- than a bare #ref,
// this will leave uri empty, and we'll return a failure code below.
rv = NS_MutateURI(new mozilla::net::nsSimpleURI::Mutator())
.SetSpec(aSpec)
.Finalize(uri);
NS_ENSURE_SUCCESS(rv, rv);
}
bool schemeIs;
if (NS_FAILED(uri->SchemeIs(FONTTABLEURI_SCHEME, &schemeIs)) || !schemeIs) {
NS_WARNING("Non-fonttable spec in FontTableURIProtocolHandler");
return NS_ERROR_NOT_AVAILABLE;
}
uri.forget(aResult);
return NS_OK;
}
#define NS_FONTTABLEPROTOCOLHANDLER_CID \
{ 0x3fc8f04e, 0xd719, 0x43ca, \
{ 0x9a, 0xd0, 0x18, 0xee, 0x32, 0x02, 0x11, 0xf2 } }
NS_GENERIC_FACTORY_CONSTRUCTOR(FontTableURIProtocolHandler)
NS_DEFINE_NAMED_CID(NS_FONTTABLEPROTOCOLHANDLER_CID);
static const mozilla::Module::CIDEntry FontTableURIProtocolHandlerCIDs[] = {
{ &kNS_FONTTABLEPROTOCOLHANDLER_CID, false, nullptr, FontTableURIProtocolHandlerConstructor },
{ nullptr }
};
static const mozilla::Module::ContractIDEntry FontTableURIProtocolHandlerContracts[] = {
{ NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX FONTTABLEURI_SCHEME, &kNS_FONTTABLEPROTOCOLHANDLER_CID },
{ nullptr }
};
static const mozilla::Module FontTableURIProtocolHandlerModule = {
mozilla::Module::kVersion,
FontTableURIProtocolHandlerCIDs,
FontTableURIProtocolHandlerContracts
};
NSMODULE_DEFN(FontTableURIProtocolHandler) = &FontTableURIProtocolHandlerModule;