diff options
Diffstat (limited to 'indra/llcommon/lldate.cpp')
| -rw-r--r-- | indra/llcommon/lldate.cpp | 165 |
1 files changed, 123 insertions, 42 deletions
diff --git a/indra/llcommon/lldate.cpp b/indra/llcommon/lldate.cpp index 7bc9e16bc9..030ef6a3c7 100644 --- a/indra/llcommon/lldate.cpp +++ b/indra/llcommon/lldate.cpp @@ -4,31 +4,25 @@ * @date 2006-02-05 * @brief Implementation of the date class * - * $LicenseInfo:firstyear=2006&license=viewergpl$ - * - * Copyright (c) 2006-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2006&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -38,7 +32,7 @@ #include "apr_time.h" #include <time.h> -#include <locale> +#include <locale.h> #include <string> #include <iomanip> #include <sstream> @@ -94,33 +88,39 @@ std::string LLDate::asRFC1123() const return toHTTPDateString (std::string ("%A, %d %b %Y %H:%M:%S GMT")); } +LLFastTimer::DeclareTimer FT_DATE_FORMAT("Date Format"); + std::string LLDate::toHTTPDateString (std::string fmt) const { - std::ostringstream stream; + LLFastTimer ft1(FT_DATE_FORMAT); + time_t locSeconds = (time_t) mSecondsSinceEpoch; struct tm * gmt = gmtime (&locSeconds); - - stream.imbue (std::locale(LLStringUtil::getLocale().c_str())); - toHTTPDateStream (stream, gmt, fmt); - return stream.str(); + return toHTTPDateString(gmt, fmt); } std::string LLDate::toHTTPDateString (tm * gmt, std::string fmt) { - std::ostringstream stream; - stream.imbue (std::locale(LLStringUtil::getLocale().c_str())); - toHTTPDateStream (stream, gmt, fmt); - return stream.str(); -} + LLFastTimer ft1(FT_DATE_FORMAT); -void LLDate::toHTTPDateStream(std::ostream& s, tm * gmt, std::string fmt) -{ - using namespace std; + // avoid calling setlocale() unnecessarily - it's expensive. + static std::string prev_locale = ""; + std::string this_locale = LLStringUtil::getLocale(); + if (this_locale != prev_locale) + { + setlocale(LC_TIME, this_locale.c_str()); + prev_locale = this_locale; + } - const char * pBeg = fmt.c_str(); - const char * pEnd = pBeg + fmt.length(); - const time_put<char>& tp = use_facet<time_put<char> >(s.getloc()); - tp.put (s, s, s.fill(), gmt, pBeg, pEnd); + // use strftime() as it appears to be faster than std::time_put + char buffer[128]; + strftime(buffer, 128, fmt.c_str(), gmt); + std::string res(buffer); +#if LL_WINDOWS + // Convert from locale-dependant charset to UTF-8 (EXT-8524). + res = ll_convert_string_to_utf8_string(res); +#endif + return res; } void LLDate::toStream(std::ostream& s) const @@ -151,7 +151,39 @@ void LLDate::toStream(std::ostream& s) const s << '.' << std::setw(2) << (int)(exp_time.tm_usec / (LL_APR_USEC_PER_SEC / 100)); } - s << 'Z'; + s << 'Z' + << std::setfill(' '); +} + +bool LLDate::split(S32 *year, S32 *month, S32 *day, S32 *hour, S32 *min, S32 *sec) const +{ + apr_time_t time = (apr_time_t)(mSecondsSinceEpoch * LL_APR_USEC_PER_SEC); + + apr_time_exp_t exp_time; + if (apr_time_exp_gmt(&exp_time, time) != APR_SUCCESS) + { + return false; + } + + if (year) + *year = exp_time.tm_year + 1900; + + if (month) + *month = exp_time.tm_mon + 1; + + if (day) + *day = exp_time.tm_mday; + + if (hour) + *hour = exp_time.tm_hour; + + if (min) + *min = exp_time.tm_min; + + if (sec) + *sec = exp_time.tm_sec; + + return true; } bool LLDate::fromString(const std::string& iso8601_date) @@ -215,13 +247,62 @@ bool LLDate::fromStream(std::istream& s) s >> fractional; seconds_since_epoch += fractional; } - c = s.get(); // skip the Z - if (c != 'Z') { return false; } + + c = s.peek(); // check for offset + if (c == '+' || c == '-') + { + S32 offset_sign = (c == '+') ? 1 : -1; + S32 offset_hours = 0; + S32 offset_minutes = 0; + S32 offset_in_seconds = 0; + + s >> offset_hours; + + c = s.get(); // skip the colon a get the minutes if there are any + if (c == ':') + { + s >> offset_minutes; + } + + offset_in_seconds = (offset_hours * 60 + offset_sign * offset_minutes) * 60; + seconds_since_epoch -= offset_in_seconds; + } + else if (c != 'Z') { return false; } // skip the Z mSecondsSinceEpoch = seconds_since_epoch; return true; } +bool LLDate::fromYMDHMS(S32 year, S32 month, S32 day, S32 hour, S32 min, S32 sec) +{ + struct apr_time_exp_t exp_time; + + exp_time.tm_year = year - 1900; + exp_time.tm_mon = month - 1; + exp_time.tm_mday = day; + exp_time.tm_hour = hour; + exp_time.tm_min = min; + exp_time.tm_sec = sec; + + // zero out the unused fields + exp_time.tm_usec = 0; + exp_time.tm_wday = 0; + exp_time.tm_yday = 0; + exp_time.tm_isdst = 0; + exp_time.tm_gmtoff = 0; + + // generate a time_t from that + apr_time_t time; + if (apr_time_exp_gmt_get(&time, &exp_time) != APR_SUCCESS) + { + return false; + } + + mSecondsSinceEpoch = time / LL_APR_USEC_PER_SEC; + + return true; +} + F64 LLDate::secondsSinceEpoch() const { return mSecondsSinceEpoch; |