зеркало из https://github.com/mozilla/gecko-dev.git
242 строки
7.3 KiB
Python
242 строки
7.3 KiB
Python
#!/usr/bin/env python
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import buildconfig
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services = []
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def service(name, iface, contractid):
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"""Define a convenient service getter"""
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services.append((name, iface, contractid))
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service('ChromeRegistryService', 'nsIChromeRegistry',
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"@mozilla.org/chrome/chrome-registry;1")
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service('ToolkitChromeRegistryService', 'nsIToolkitChromeRegistry',
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"@mozilla.org/chrome/chrome-registry;1")
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service('XULChromeRegistryService', 'nsIXULChromeRegistry',
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"@mozilla.org/chrome/chrome-registry;1")
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service('DirectoryService', 'nsIProperties',
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"@mozilla.org/file/directory_service;1"),
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service('IOService', 'nsIIOService',
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"@mozilla.org/network/io-service;1")
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service('ObserverService', 'nsIObserverService',
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"@mozilla.org/observer-service;1")
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service('StringBundleService', 'nsIStringBundleService',
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"@mozilla.org/intl/stringbundle;1")
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service('PermissionManager', 'nsIPermissionManager',
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"@mozilla.org/permissionmanager;1")
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service('PreferencesService', 'nsIPrefService',
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"@mozilla.org/preferences-service;1")
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service('ServiceWorkerManager', 'nsIServiceWorkerManager',
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"@mozilla.org/serviceworkers/manager;1")
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service('AsyncShutdown', 'nsIAsyncShutdownService',
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"@mozilla.org/async-shutdown-service;1")
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service('UUIDGenerator', 'nsIUUIDGenerator',
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"@mozilla.org/uuid-generator;1")
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service('GfxInfo', 'nsIGfxInfo',
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"@mozilla.org/gfx/info;1")
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service('SocketTransportService', 'nsISocketTransportService',
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"@mozilla.org/network/socket-transport-service;1")
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service('StreamTransportService', 'nsIStreamTransportService',
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"@mozilla.org/network/stream-transport-service;1")
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service('CacheStorageService', 'nsICacheStorageService',
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"@mozilla.org/netwerk/cache-storage-service;1")
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service('URIClassifier', 'nsIURIClassifier',
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"@mozilla.org/uriclassifierservice")
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service('ActivityDistributor', 'nsIHttpActivityDistributor',
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"@mozilla.org/network/http-activity-distributor;1")
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service('HistoryService', 'mozilla::IHistory',
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"@mozilla.org/browser/history;1")
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service('ThirdPartyUtil', 'mozIThirdPartyUtil',
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"@mozilla.org/thirdpartyutil;1")
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service('URIFixup', 'nsIURIFixup',
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"@mozilla.org/docshell/uri-fixup;1")
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service('Bits', 'nsIBits',
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"@mozilla.org/bits;1")
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# NB: this should also expose nsIXULAppInfo, as does Services.jsm.
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service('AppInfoService', 'nsIXULRuntime',
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"@mozilla.org/xre/app-info;1")
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if buildconfig.substs.get('ENABLE_REMOTE_AGENT'):
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service('RemoteAgent', 'nsIRemoteAgent',
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"@mozilla.org/remote/agent;1")
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# The definition file needs access to the definitions of the particular
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# interfaces. If you add a new interface here, make sure the necessary includes
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# are also listed in the following code snippet.
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CPP_INCLUDES = """
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#include "mozilla/Likely.h"
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#include "mozilla/Services.h"
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#include "mozIThirdPartyUtil.h"
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#include "nsComponentManager.h"
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#include "nsIObserverService.h"
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#include "nsNetCID.h"
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#include "nsObserverService.h"
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#include "nsXPCOMPrivate.h"
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#include "nsIIOService.h"
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#include "nsIDirectoryService.h"
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#include "nsIChromeRegistry.h"
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#include "nsIStringBundle.h"
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#include "nsIToolkitChromeRegistry.h"
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#include "IHistory.h"
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#include "nsIXPConnect.h"
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#include "nsIPermissionManager.h"
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#include "nsIPrefService.h"
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#include "nsIServiceWorkerManager.h"
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#include "nsICacheStorageService.h"
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#include "nsIStreamTransportService.h"
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#include "nsISocketTransportService.h"
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#include "nsIURIClassifier.h"
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#include "nsIHttpActivityObserver.h"
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#include "nsIAsyncShutdown.h"
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#include "nsIUUIDGenerator.h"
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#include "nsIGfxInfo.h"
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#include "nsIURIFixup.h"
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#include "nsIBits.h"
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#include "nsIXULRuntime.h"
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"""
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if buildconfig.substs.get('ENABLE_REMOTE_AGENT'):
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CPP_INCLUDES += '#include "nsIRemoteAgent.h"'
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#####
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# Codegen Logic
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#
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# The following code consumes the data listed above to generate the files
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# Services.h, Services.cpp, and services.rs which provide access to these
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# service getters in both rust and C++ code.
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#
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# XXX(nika): would it be a good idea to unify Services.jsm into here too?
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def services_h(output):
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output.write("""\
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/* THIS FILE IS GENERATED BY Services.py - DO NOT EDIT */
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#ifndef mozilla_Services_h
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#define mozilla_Services_h
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#include "nscore.h"
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#include "nsCOMPtr.h"
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""")
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for (name, iface, contractid) in services:
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# Write out a forward declaration for the type in question
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segs = iface.split("::")
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for namespace in segs[:-1]:
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output.write("namespace %s {\n" % namespace)
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output.write("class %s;\n" % segs[-1])
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for namespace in reversed(segs[:-1]):
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output.write("} // namespace %s\n" % namespace)
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# Write out the C-style function signature, and the C++ wrapper
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output.write("""
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#ifdef MOZILLA_INTERNAL_API
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extern "C" {
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/**
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* NOTE: Don't call this method directly, instead call mozilla::services::Get%(name)s.
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* It is used to expose XPCOM services to rust code. The return value is already addrefed.
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*/
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%(type)s* XPCOMService_Get%(name)s();
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} // extern "C"
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namespace mozilla {
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namespace services {
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/**
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* Fetch a cached instance of the %(name)s.
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* This function will return nullptr during XPCOM shutdown.
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*/
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inline already_AddRefed<%(type)s>
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Get%(name)s()
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{
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return already_AddRefed<%(type)s>(XPCOMService_Get%(name)s());
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}
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} // namespace services
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} // namespace mozilla
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#endif // defined(MOZILLA_INTERNAL_API)
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""" % {
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'name': name,
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'type': iface,
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})
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output.write("#endif // !defined(mozilla_Services_h)\n")
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def services_cpp(output):
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output.write("""\
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/* THIS FILE IS GENERATED BY Services.py - DO NOT EDIT */
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""")
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output.write(CPP_INCLUDES)
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for (name, iface, contractid) in services:
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output.write("""
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static %(type)s* g%(name)s = nullptr;
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extern "C" {
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/**
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* NOTE: Don't call this method directly, instead call `mozilla::services::Get%(name)s`.
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* This method is extern "C" to expose XPCOM services to rust code.
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* The return value is already addrefed.
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*/
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%(type)s*
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XPCOMService_Get%(name)s()
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{
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if (MOZ_UNLIKELY(gXPCOMShuttingDown)) {
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return nullptr;
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}
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if (!g%(name)s) {
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nsCOMPtr<%(type)s> os = do_GetService("%(contractid)s");
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os.swap(g%(name)s);
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}
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return do_AddRef(g%(name)s).take();
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}
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} // extern "C"
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""" % {
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'name': name,
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'type': iface,
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'contractid': contractid,
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})
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output.write("""
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/**
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* Clears service cache, sets gXPCOMShuttingDown
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*/
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void
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mozilla::services::Shutdown()
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{
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gXPCOMShuttingDown = true;
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""")
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for (name, iface, contractid) in services:
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output.write(" NS_IF_RELEASE(g%s);\n" % name)
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output.write("}\n")
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def services_rs(output):
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output.write("""\
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/* THIS FILE IS GENERATED BY Services.py - DO NOT EDIT */
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use RefPtr;
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""")
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for (name, iface, _) in services:
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# NOTE: We can't support namespaced interfaces in rust code, so we have to ignore them.
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if "::" in iface:
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continue
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output.write("""
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/// Fetches a cached reference to the `%(name)s`.
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/// This function will return `None` during XPCOM shutdown.
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pub fn get_%(name)s() -> Option<RefPtr<::interfaces::%(type)s>> {
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extern "C" {
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fn XPCOMService_Get%(name)s() -> *mut ::interfaces::%(type)s;
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}
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unsafe { RefPtr::from_raw_dont_addref(XPCOMService_Get%(name)s()) }
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}
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""" % {
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'name': name,
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'type': iface,
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})
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