Second Life viewer sources 1.13.2.12

1 files changed, 193 insertions, 0 deletions

diff --git a/linden/indra/llcommon/lldate.cpp b/linden/indra/llcommon/lldate.cpp
new file mode 100644
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+++ b/linden/indra/llcommon/lldate.cpp
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+/** 
+ * @file lldate.cpp
+ * @author Phoenix
+ * @date 2006-02-05
+ * @brief Implementation of the date class
+ *
+ * Copyright (c) 2006-2007, Linden Research, Inc.
+ * 
+ * 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://secondlife.com/developers/opensource/gplv2
+ * 
+ * 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://secondlife.com/developers/opensource/flossexception
+ * 
+ * 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.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#include "linden_common.h"
+#include "lldate.h"
+
+#include "apr-1/apr_time.h"
+
+#include <iomanip>
+#include <sstream>
+
+static const F64 DATE_EPOCH = 0.0;
+
+static const F64 LL_APR_USEC_PER_SEC = 1000000.0;
+        // should be APR_USEC_PER_SEC, but that relies on INT64_C which
+        // isn't defined in glib under our build set up for some reason
+
+
+LLDate::LLDate() : mSecondsSinceEpoch(DATE_EPOCH)
+{
+}
+
+LLDate::LLDate(const LLDate& date) :
+        mSecondsSinceEpoch(date.mSecondsSinceEpoch)
+{
+}
+
+LLDate::LLDate(F64 seconds_since_epoch) :
+        mSecondsSinceEpoch(seconds_since_epoch)
+{
+}
+
+LLDate::LLDate(const std::string& iso8601_date)
+{
+        if(!fromString(iso8601_date))
+        {
+                mSecondsSinceEpoch = DATE_EPOCH;
+        }
+}
+
+std::string LLDate::asString() const
+{
+        std::ostringstream stream;
+        toStream(stream);
+        return stream.str();
+}
+
+void LLDate::toStream(std::ostream& s) 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)
+        {
+                s << "1970-01-01T00:00:00Z";
+                return;
+        }
+        
+        s << std::dec << std::setfill('0');
+#if( LL_WINDOWS || __GNUC__ > 2)
+        s << std::right;
+#else
+        s.setf(ios::right);
+#endif
+        s                << std::setw(4) << (exp_time.tm_year + 1900)
+          << '-' << std::setw(2) << (exp_time.tm_mon + 1)
+          << '-' << std::setw(2) << (exp_time.tm_mday)
+          << 'T' << std::setw(2) << (exp_time.tm_hour)
+          << ':' << std::setw(2) << (exp_time.tm_min)
+          << ':' << std::setw(2) << (exp_time.tm_sec);
+        if (exp_time.tm_usec > 0)
+        {
+                s << '.' << std::setw(2)
+                  << (int)(exp_time.tm_usec / (LL_APR_USEC_PER_SEC / 100));
+        }
+        s << 'Z';
+}
+
+bool LLDate::fromString(const std::string& iso8601_date)
+{
+        std::istringstream stream(iso8601_date);
+        return fromStream(stream);
+}
+
+bool LLDate::fromStream(std::istream& s)
+{
+        struct apr_time_exp_t exp_time;
+        apr_int32_t tm_part;
+        int c;
+        
+        s >> tm_part;
+        exp_time.tm_year = tm_part - 1900;
+        c = s.get(); // skip the hypen
+        if (c != '-') { return false; }
+        s >> tm_part;
+        exp_time.tm_mon = tm_part - 1;
+        c = s.get(); // skip the hypen
+        if (c != '-') { return false; }
+        s >> tm_part;
+        exp_time.tm_mday = tm_part;
+        
+        c = s.get(); // skip the T
+        if (c != 'T') { return false; }
+        
+        s >> tm_part;
+        exp_time.tm_hour = tm_part;
+        c = s.get(); // skip the :
+        if (c != ':') { return false; }
+        s >> tm_part;
+        exp_time.tm_min = tm_part;
+        c = s.get(); // skip the :
+        if (c != ':') { return false; }
+        s >> tm_part;
+        exp_time.tm_sec = tm_part;
+
+        // 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;
+        }
+        
+        F64 seconds_since_epoch = time / LL_APR_USEC_PER_SEC;
+
+        // check for fractional
+        c = s.peek();
+        if(c == '.')
+        {
+                F64 fractional = 0.0;
+                s >> fractional;
+                seconds_since_epoch += fractional;
+        }
+        s.get(); // skip the Z
+        if (c != 'Z') { return false; }
+
+        mSecondsSinceEpoch = seconds_since_epoch;
+        return true;
+}
+
+F64 LLDate::secondsSinceEpoch() const
+{
+        return mSecondsSinceEpoch;
+}
+
+void LLDate::secondsSinceEpoch(F64 seconds)
+{
+        mSecondsSinceEpoch = seconds;
+}
+
+std::ostream& operator<<(std::ostream& s, const LLDate& date)
+{
+        date.toStream(s);
+        return s;
+}
+
+std::istream& operator>>(std::istream& s, LLDate& date)
+{
+        date.fromStream(s);
+        return s;
+}