michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsAboutProtocolUtils_h
michael@0: #define nsAboutProtocolUtils_h
michael@0: 
michael@0: #include "nsIURI.h"
michael@0: #include "nsString.h"
michael@0: #include "nsReadableUtils.h"
michael@0: #include "nsIAboutModule.h"
michael@0: #include "nsServiceManagerUtils.h"
michael@0: #include "prtime.h"
michael@0: 
michael@0: inline nsresult
michael@0: NS_GetAboutModuleName(nsIURI *aAboutURI, nsCString& aModule)
michael@0: {
michael@0: #ifdef DEBUG
michael@0:     {
michael@0:         bool isAbout;
michael@0:         NS_ASSERTION(NS_SUCCEEDED(aAboutURI->SchemeIs("about", &isAbout)) &&
michael@0:                      isAbout,
michael@0:                      "should be used only on about: URIs");
michael@0:     }
michael@0: #endif
michael@0: 
michael@0:     nsresult rv = aAboutURI->GetPath(aModule);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     int32_t f = aModule.FindCharInSet(NS_LITERAL_CSTRING("#?"));
michael@0:     if (f != kNotFound) {
michael@0:         aModule.Truncate(f);
michael@0:     }
michael@0: 
michael@0:     // convert to lowercase, as all about: modules are lowercase
michael@0:     ToLowerCase(aModule);
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: inline nsresult
michael@0: NS_GetAboutModule(nsIURI *aAboutURI, nsIAboutModule** aModule)
michael@0: {
michael@0:   NS_PRECONDITION(aAboutURI, "Must have URI");
michael@0: 
michael@0:   nsAutoCString contractID;
michael@0:   nsresult rv = NS_GetAboutModuleName(aAboutURI, contractID);
michael@0:   if (NS_FAILED(rv)) return rv;
michael@0: 
michael@0:   // look up a handler to deal with "what"
michael@0:   contractID.Insert(NS_LITERAL_CSTRING(NS_ABOUT_MODULE_CONTRACTID_PREFIX), 0);
michael@0: 
michael@0:   return CallGetService(contractID.get(), aModule);
michael@0: }
michael@0: 
michael@0: inline PRTime SecondsToPRTime(uint32_t t_sec)
michael@0: {
michael@0:     PRTime t_usec, usec_per_sec;
michael@0:     t_usec = t_sec;
michael@0:     usec_per_sec = PR_USEC_PER_SEC;
michael@0:     return t_usec *= usec_per_sec;
michael@0: }
michael@0: inline void PrintTimeString(char *buf, uint32_t bufsize, uint32_t t_sec)
michael@0: {
michael@0:     PRExplodedTime et;
michael@0:     PRTime t_usec = SecondsToPRTime(t_sec);
michael@0:     PR_ExplodeTime(t_usec, PR_LocalTimeParameters, &et);
michael@0:     PR_FormatTime(buf, bufsize, "%Y-%m-%d %H:%M:%S", &et);
michael@0: }
michael@0: 
michael@0: 
michael@0: #endif