本文整理汇总了C++中nsAutoCString::Truncate方法的典型用法代码示例。如果您正苦于以下问题：C++ nsAutoCString::Truncate方法的具体用法？C++ nsAutoCString::Truncate怎么用？C++ nsAutoCString::Truncate使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类nsAutoCString的用法示例。
在下文中一共展示了nsAutoCString::Truncate方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getenv
static nsresult
GetNSSProfilePath(nsAutoCString& aProfilePath)
{
aProfilePath.Truncate();
const char* dbDirOverride = getenv("MOZPSM_NSSDBDIR_OVERRIDE");
if (dbDirOverride && strlen(dbDirOverride) > 0) {
MOZ_LOG(gPIPNSSLog, LogLevel::Debug,
("Using specified MOZPSM_NSSDBDIR_OVERRIDE as NSS DB dir: %s\n",
dbDirOverride));
aProfilePath.Assign(dbDirOverride);
return NS_OK;
}
nsCOMPtr<nsIFile> profileFile;
nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(profileFile));
if (NS_FAILED(rv)) {
NS_WARNING("NSS will be initialized without a profile directory. "
"Some things may not work as expected.");
return NS_OK;
}
#if defined(XP_WIN)
// Native path will drop Unicode characters that cannot be mapped to system's
// codepage, using short (canonical) path as workaround.
nsCOMPtr<nsILocalFileWin> profileFileWin(do_QueryInterface(profileFile));
if (!profileFileWin) {
MOZ_LOG(gPIPNSSLog, LogLevel::Error,
("Could not get nsILocalFileWin for profile directory.\n"));
return NS_ERROR_FAILURE;
}
rv = profileFileWin->GetNativeCanonicalPath(aProfilePath);
#else
rv = profileFile->GetNativePath(aProfilePath);
#endif
if (NS_FAILED(rv)) {
MOZ_LOG(gPIPNSSLog, LogLevel::Error,
("Could not get native path for profile directory.\n"));
return rv;
}
MOZ_LOG(gPIPNSSLog, LogLevel::Debug,
("NSS profile at '%s'\n", aProfilePath.get()));
return NS_OK;
}示例2:
static nsresult
GetHostPortKey(TransportSecurityInfo* infoObject, nsAutoCString &result)
{
nsresult rv;
result.Truncate();
nsXPIDLCString hostName;
rv = infoObject->GetHostName(getter_Copies(hostName));
NS_ENSURE_SUCCESS(rv, rv);
int32_t port;
rv = infoObject->GetPort(&port);
NS_ENSURE_SUCCESS(rv, rv);
result.Assign(hostName);
result.Append(':');
result.AppendInt(port);
return NS_OK;
}示例3: DelTrace
void nsTestLog::DelTrace(const char * aTrace)
{
mTrace.Truncate(mTrace.Length() - strlen(aTrace) - strlen(kTraceDelimiter));
}