hxdate.cpp
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "hxtypes.h"
- #include "hlxclib/string.h"
- #include "hlxclib/stdio.h"
- #ifdef _MACINTOSH
- #ifndef _MAC_MACHO
- #include <OSUtils.h>
- #endif
- #ifdef _CARBON
- #ifndef _MAC_MACHO
- #include <stat.h>
- #endif
- #else
- #include <stat.mac.h>
- #endif
- #else
- #include "hlxclib/sys/types.h"
- #include "hlxclib/sys/stat.h"
- #endif
- #if defined(_AIX)
- #include <ctype.h>
- #endif
- #ifdef _WINDOWS
- #include <windows.h>
- #include <wininet.h>
- #include "hlxclib/io.h"
- #endif /* _WINDOWS */
- #include "hxstrutl.h"
- #include "hxdate.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- #if defined(_OPENWAVE)
- HX_DATETIME
- HX_GET_DATETIME(void)
- {
- op_tm tm;
- time_t t = op_time();
- HX_DATETIME dt;
- // XXXSAB - localtime?
- op_gmtime(t, &tm);
- dt.second = tm.tm_sec;
- dt.minute = tm.tm_min;
- dt.hour = tm.tm_hour;
- dt.dayofweek = tm.tm_wday;
- dt.dayofmonth = tm.tm_mday;
- dt.dayofyear = tm.tm_yday;
- dt.month = tm.tm_mon + 1; // 0 based (11 = December)
- dt.year = tm.tm_year;
- dt.gmtDelta = 0; // or something
- return dt;
- }
- #elif (defined(_WINDOWS) || defined(WIN32) || defined(_WIN32) || defined(_WINCE))
- HX_DATETIME HX_GET_DATETIME(void)
- {
- HX_DATETIME datetime;
- #ifdef _WINCE
- TIME_ZONE_INFORMATION tzinfo;
- ::GetTimeZoneInformation(&tzinfo);
- #else
- // init the timezone data
- _tzset();
- #endif /* _WINCE */
- // Get the local time
- time_t lTime;
- struct tm* tmDateTime;
- time(&lTime);
- tmDateTime=localtime(&lTime);
- datetime.second = tmDateTime->tm_sec;
- datetime.minute = tmDateTime->tm_min;
- datetime.hour = tmDateTime->tm_hour;
- datetime.dayofweek = tmDateTime->tm_wday;
- datetime.dayofmonth = tmDateTime->tm_mday;
- datetime.dayofyear = tmDateTime->tm_yday + 1;
- datetime.month = tmDateTime->tm_mon + 1;
- datetime.year = tmDateTime->tm_year;
- #ifdef _WINCE
- datetime.gmtDelta = -1 * (tzinfo.Bias / 60); // minutes to hours
- #else
- datetime.gmtDelta = -1*(_timezone/3600); //seconds to hours
- #endif /* _WINCE */
- return datetime;
- }
- #elif _MACINTOSH
- #ifndef _MAC_MACHO
- #include <datetimeutils.h>
- #endif
- HX_DATETIME HX_GET_DATETIME(void)
- {
- HX_DATETIME datetime;
- ULONG32 secs;
- LongDateRec ldate;
-
- ::GetDateTime(&secs);
- LongDateTime time = secs;
- ::LongSecondsToDate(&time, &ldate);
- datetime.second = ldate.ld.second;
- datetime.minute = ldate.ld.minute;
- datetime.hour = ldate.ld.hour;
- datetime.dayofweek = ldate.ld.dayOfWeek - 1;
- datetime.dayofmonth = ldate.ld.day;
- datetime.dayofyear = ldate.ld.dayOfYear;
- datetime.month = ldate.ld.month;
- datetime.year = ldate.ld.year - HX_YEAR_OFFSET;
-
- // get time zone in seconds
- MachineLocation loc;
- ::ReadLocation(&loc);
- // we need to extend the sign since the gmtDelta is a 3 byte value
- long gmtDelta = loc.u.gmtDelta;
- long internalGmtDelta = gmtDelta & 0x00FFFFFF;
- if(internalGmtDelta & 0x00800000)
- {
- internalGmtDelta = internalGmtDelta | 0xFF000000;
- }
- // convert to hours
- datetime.gmtDelta = (short)internalGmtDelta/3600;
- return datetime;
- }
- #elif defined(_UNIX) || defined(_SYMBIAN)
- HX_DATETIME
- HX_GET_DATETIME(void)
- {
- struct tm* tm;
- time_t t = time(0);
- HX_DATETIME dt;
- tm = localtime(&t);
- dt.second = tm->tm_sec;
- dt.minute = tm->tm_min;
- dt.hour = tm->tm_hour;
- dt.dayofweek = tm->tm_wday;
- dt.dayofmonth = tm->tm_mday;
- dt.dayofyear = tm->tm_yday;
- dt.month = tm->tm_mon + 1; // 0 based (11 = December)
- dt.year = tm->tm_year;
- dt.gmtDelta = 0; // or something
- return dt;
- }
- // unix code added here
- #endif // _WIN32
- // Returns the number of the month given or -1 on error.
- int MonthNo (char * month)
- {
- int ret = -1;
-
- if (!strncasecmp(month, "JAN", 3))
- ret = 0;
- else if (!strncasecmp(month, "FEB", 3))
- ret = 1;
- else if (!strncasecmp(month, "MAR", 3))
- ret = 2;
- else if (!strncasecmp(month, "APR", 3))
- ret = 3;
- else if (!strncasecmp(month, "MAY", 3))
- ret = 4;
- else if (!strncasecmp(month, "JUN", 3))
- ret = 5;
- else if (!strncasecmp(month, "JUL", 3))
- ret = 6;
- else if (!strncasecmp(month, "AUG", 3))
- ret = 7;
- else if (!strncasecmp(month, "SEP", 3))
- ret = 8;
- else if (!strncasecmp(month, "OCT", 3))
- ret = 9;
- else if (!strncasecmp(month, "NOV", 3))
- ret = 10;
- else if (!strncasecmp(month, "DEC", 3))
- ret = 11;
- else
- {
- ret = -1;
- }
- return ret;
- }
- time_t ParseDate(char *date_string)
- {
- #ifdef _OPENWAVE
- struct op_tm tm;
- if (op_time_parse_http_date(date_string, &tm))
- {
- return op_timegm(&tm);
- }
- return 0;
- #else
- struct tm time_info; // Points to static tm structure
- char* ip = NULL;
- char mname[256] = {0}; /* Flawfinder: ignore */
- time_t rv;
- memset(&time_info, 0, sizeof(struct tm));
- // Whatever format we're looking at, it will start with weekday.
- // Skip to first space
- if(!(ip = strchr(date_string,' ')))
- {
- return 0;
- }
- else
- {
- while(IS_SPACE(*ip))
- {
- ++ip;
- }
- }
- /* make sure that the date is less than 256
- * That will keep mname from ever overflowing
- */
- if(255 < strlen(ip))
- {
- return 0;
- }
- if(isalpha(*ip))
- {
- // ctime
- sscanf(ip, (strstr(ip, "DST") ? "%s %d %d:%d:%d %*s %d"
- : "%s %d %d:%d:%d %d"),
- mname,
- &time_info.tm_mday,
- &time_info.tm_hour,
- &time_info.tm_min,
- &time_info.tm_sec,
- &time_info.tm_year);
- time_info.tm_year -= 1900;
- }
- else if(ip[2] == '-')
- {
- // RFC 850 (normal HTTP)
- char t[256] = {0}; /* Flawfinder: ignore */
- sscanf(ip,"%s %d:%d:%d", t,
- &time_info.tm_hour,
- &time_info.tm_min,
- &time_info.tm_sec);
- t[2] = ' ';
- time_info.tm_mday = atoi(t);
- t[6] = ' ';
- SafeStrCpy(mname, &t[3], 256);
- time_info.tm_year = atoi(&t[7]);
- // Prevent wraparound from ambiguity
- if(time_info.tm_year < 70)
- {
- time_info.tm_year += 100;
- }
- else if(time_info.tm_year > 1900)
- {
- time_info.tm_year -= 1900;
- }
- }
- else
- {
- // RFC 822
- sscanf(ip,"%d %s %d %d:%d:%d",&time_info.tm_mday,
- mname,
- &time_info.tm_year,
- &time_info.tm_hour,
- &time_info.tm_min,
- &time_info.tm_sec);
- // since tm_year is years since 1900 and the year we parsed
- // is absolute, we need to subtract 1900 years from it
- time_info.tm_year -= 1900;
- }
- time_info.tm_mon = MonthNo(mname);
- if(time_info.tm_mon == -1)
- {
- return 0;
- }
- rv = mktime(&time_info);
-
- #ifndef NO_TM_ISDST
- if(time_info.tm_isdst)
- {
- rv -= 3600;
- }
- #endif /* NO_TM_ISDST */
- if(rv == -1)
- {
- return(0);
- }
- else
- {
- return(rv);
- }
- #endif /* _OPENWAVE */
- }