Mercurial > hg > octave-lojdl
changeset 3465:996bb7ea4507
[project @ 2000-01-21 07:48:25 by jwe]
author | jwe |
---|---|
date | Fri, 21 Jan 2000 07:51:06 +0000 |
parents | ab5ae0aca0f1 |
children | 9ff5622c993e |
files | ChangeLog PROJECTS configure.in kpathsea/klibtool.config liboctave/ChangeLog liboctave/Makefile.in liboctave/oct-time.cc liboctave/oct-time.h liboctave/strptime.c src/ChangeLog src/DLD-FUNCTIONS/time.cc src/load-save.cc src/ov.cc |
diffstat | 13 files changed, 1003 insertions(+), 20 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2000-01-20 John W. Eaton <jwe@bevo.che.wisc.edu> + + * configure.in: Check for strptime and localtime_r. + 1999-11-15 John W. Eaton <jwe@bevo.che.wisc.edu> * configure.in (XTRA_CXXFLAGS, XTRA_CFLAGS): Use -mminimal-toc on
--- a/PROJECTS +++ b/PROJECTS @@ -736,10 +736,6 @@ a(:,50:250)=zeros(100,200), and then store it back into the memory of my c code. - * Add a function like strptime() which is the opposite of - strftime(). A C version is apparently in recent releases of the - Linux C library. - * Add a definition to lgrind so that it supports Octave. (See http://www.tex.ac.uk/tex-archive/support/lgrind/ for more information about lgrind.)
--- a/configure.in +++ b/configure.in @@ -21,7 +21,7 @@ ### Software Foundation, 59 Temple Place - Suite 330, Boston, MA ### 02111-1307, USA. -AC_REVISION($Revision: 1.320 $) +AC_REVISION($Revision: 1.321 $) AC_PREREQ(2.9) AC_INIT(src/octave.cc) AC_CONFIG_HEADER(config.h) @@ -777,11 +777,11 @@ AC_CHECK_FUNCS(atexit bcopy bzero dup2 endgrent endpwent execvp fcntl \ fork getcwd getegid geteuid getgid getgrent getgrgid getgrnam \ gethostname getpgrp getpid getppid getpwent getpwnam getpwuid \ - gettimeofday getuid getwd lstat memmove mkdir mkfifo on_exit pipe \ - poll putenv rename rindex rmdir select setgrent setpwent setvbuf \ - sigaction sigpending sigprocmask sigsuspend stat strcasecmp strdup \ - strerror strftime stricmp strncasecmp strnicmp tempnam umask unlink \ - usleep vfprintf vsprintf waitpid) + gettimeofday getuid getwd localtime_r lstat memmove mkdir mkfifo \ + on_exit pipe poll putenv rename rindex rmdir select setgrent \ + setpwent setvbuf sigaction sigpending sigprocmask sigsuspend stat \ + strcasecmp strdup strerror strftime stricmp strncasecmp strnicmp \ + strptime tempnam umask unlink usleep vfprintf vsprintf waitpid) OCTAVE_SMART_PUTENV
--- a/kpathsea/klibtool.config +++ b/kpathsea/klibtool.config @@ -1,5 +1,5 @@ LIBTOOL_OBJTYPES='STATIC:' -shared_support='' +shared_support='true' shared_ext='so' libpath_var='LD_LIBRARY_PATH' CC='gcc' @@ -9,4 +9,4 @@ STATIC_ranlib='ranlib' args_SHARED_archive='-shared' args_SHARED_link='' -SHARED_postinstall='' +SHARED_postinstall='ldconfig $libdir'
--- a/liboctave/ChangeLog +++ b/liboctave/ChangeLog @@ -1,3 +1,10 @@ +2000-01-20 John W. Eaton <jwe@bevo.che.wisc.edu> + + * oct-time.h, oct-time.cc (octave_strptime): New class. + + * strptime.c: New file, from glibc 2.1.2. + * Makefile.in (SOURCES): Add strptime.c to the list. + 2000-01-11 John W. Eaton <jwe@bevo.che.wisc.edu> * MArray.h (MArray <const Array<T>&)): New constructor.
--- a/liboctave/Makefile.in +++ b/liboctave/Makefile.in @@ -82,7 +82,7 @@ lo-sysdep.cc lo-utils.cc mach-info.cc mkdir.c oct-alloc.cc \ oct-env.cc oct-group.cc oct-passwd.cc oct-shlib.cc oct-syscalls.cc \ oct-time.cc pathsearch.cc prog-args.cc rename.c rmdir.c \ - strftime.c str-vec.cc tempname.c tempnam.c \ + strftime.c strptime.c str-vec.cc tempname.c tempnam.c \ $(TEMPLATE_SRC) \ $(TI_SRC) \ $(MATRIX_SRC) \
--- a/liboctave/oct-time.cc +++ b/liboctave/oct-time.cc @@ -29,6 +29,7 @@ #include "lo-error.h" #include "lo-utils.h" +#define __USE_XOPEN #include "oct-time.h" octave_time::octave_time (const octave_base_tm& tm) @@ -218,6 +219,41 @@ octave_base_tm::init (gmtime (&t)); } +void +octave_strptime::init (const string& str, const string& fmt) +{ + struct tm t; + + t.tm_sec = 0; + t.tm_min = 0; + t.tm_hour = 0; + t.tm_mday = 0; + t.tm_mon = 0; + t.tm_year = 0; + t.tm_wday = 0; + t.tm_yday = 0; + t.tm_isdst = 0; + +#if defined (HAVE_TM_ZONE) + char *ps = strsave (""); + t.tm_zone = ps; +#endif + + char *p = strsave (str.c_str ()); + + char *q = strptime (p, fmt.c_str (), &t); + + nchars = p - q; + + delete [] p; + + octave_base_tm::init (&t); + +#if defined (HAVE_TM_ZONE) + delete ps; +#endif +} + /* ;;; Local Variables: *** ;;; mode: C++ ***
--- a/liboctave/oct-time.h +++ b/liboctave/oct-time.h @@ -295,6 +295,35 @@ void init (const octave_time& ot); }; +class +octave_strptime : public octave_base_tm +{ +public: + + octave_strptime (const string& str, const string& fmt) + : octave_base_tm () { init (str, fmt); } + + octave_strptime (const octave_strptime& s) + : octave_base_tm (s) { nchars = s.nchars; } + + octave_strptime& operator = (const octave_strptime& s) + { + octave_base_tm::operator = (s); + nchars = s.nchars; + return *this; + } + + int characters_converted (void) const { return nchars; } + + ~octave_strptime (void) { } + +private: + + int nchars; + + void init (const string& str, const string& fmt); +}; + #endif /*
new file mode 100644 --- /dev/null +++ b/liboctave/strptime.c @@ -0,0 +1,869 @@ +/* Convert a string representation of time to a time value. + Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* XXX This version of the implementation is not really complete. + Some of the fields cannot add information alone. But if seeing + some of them in the same format (such as year, week and weekday) + this is enough information for determining the date. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <ctype.h> +#include <langinfo.h> +#include <limits.h> +#include <string.h> +#include <time.h> + +#ifdef _LIBC +# include "../locale/localeinfo.h" +#endif + + +#ifndef __P +# if defined (__GNUC__) || (defined (__STDC__) && __STDC__) +# define __P(args) args +# else +# define __P(args) () +# endif /* GCC. */ +#endif /* Not __P. */ + + +#if ! HAVE_LOCALTIME_R && ! defined localtime_r +# ifdef _LIBC +# define localtime_r __localtime_r +# else +/* Approximate localtime_r as best we can in its absence. */ +# define localtime_r my_localtime_r +static struct tm *localtime_r __P ((const time_t *, struct tm *)); +static struct tm * +localtime_r (t, tp) + const time_t *t; + struct tm *tp; +{ + struct tm *l = localtime (t); + if (! l) + return 0; + *tp = *l; + return tp; +} +# endif /* ! _LIBC */ +#endif /* ! HAVE_LOCALTIME_R && ! defined (localtime_r) */ + + +#define match_char(ch1, ch2) if (ch1 != ch2) return NULL +#if defined __GNUC__ && __GNUC__ >= 2 +# define match_string(cs1, s2) \ + ({ size_t len = strlen (cs1); \ + int result = strncasecmp ((cs1), (s2), len) == 0; \ + if (result) (s2) += len; \ + result; }) +#else +/* Oh come on. Get a reasonable compiler. */ +# define match_string(cs1, s2) \ + (strncasecmp ((cs1), (s2), strlen (cs1)) ? 0 : ((s2) += strlen (cs1), 1)) +#endif +/* We intentionally do not use isdigit() for testing because this will + lead to problems with the wide character version. */ +#define get_number(from, to, n) \ + do { \ + int __n = n; \ + val = 0; \ + while (*rp == ' ') \ + ++rp; \ + if (*rp < '0' || *rp > '9') \ + return NULL; \ + do { \ + val *= 10; \ + val += *rp++ - '0'; \ + } while (--__n > 0 && val * 10 <= to && *rp >= '0' && *rp <= '9'); \ + if (val < from || val > to) \ + return NULL; \ + } while (0) +#ifdef _NL_CURRENT +# define get_alt_number(from, to, n) \ + ({ \ + __label__ do_normal; \ + if (*decided != raw) \ + { \ + const char *alts = _NL_CURRENT (LC_TIME, ALT_DIGITS); \ + int __n = n; \ + int any = 0; \ + while (*rp == ' ') \ + ++rp; \ + val = 0; \ + do { \ + val *= 10; \ + while (*alts != '\0') \ + { \ + size_t len = strlen (alts); \ + if (strncasecmp (alts, rp, len) == 0) \ + break; \ + alts += len + 1; \ + ++val; \ + } \ + if (*alts == '\0') \ + { \ + if (*decided == not && ! any) \ + goto do_normal; \ + /* If we haven't read anything it's an error. */ \ + if (! any) \ + return NULL; \ + /* Correct the premature multiplication. */ \ + val /= 10; \ + break; \ + } \ + else \ + *decided = loc; \ + } while (--__n > 0 && val * 10 <= to); \ + if (val < from || val > to) \ + return NULL; \ + } \ + else \ + { \ + do_normal: \ + get_number (from, to, n); \ + } \ + 0; \ + }) +#else +# define get_alt_number(from, to, n) \ + /* We don't have the alternate representation. */ \ + get_number(from, to, n) +#endif +#define recursive(new_fmt) \ + (*(new_fmt) != '\0' \ + && (rp = strptime_internal (rp, (new_fmt), tm, decided)) != NULL) + + +#ifdef _LIBC +/* This is defined in locale/C-time.c in the GNU libc. */ +extern const struct locale_data _nl_C_LC_TIME; +extern const unsigned short int __mon_yday[2][13]; + +# define weekday_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (DAY_1)].string) +# define ab_weekday_name \ + (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (ABDAY_1)].string) +# define month_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (MON_1)].string) +# define ab_month_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (ABMON_1)].string) +# define HERE_D_T_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (D_T_FMT)].string) +# define HERE_D_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (D_FMT)].string) +# define HERE_AM_STR (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (AM_STR)].string) +# define HERE_PM_STR (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (PM_STR)].string) +# define HERE_T_FMT_AMPM \ + (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (T_FMT_AMPM)].string) +# define HERE_T_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (T_FMT)].string) + +# define strncasecmp(s1, s2, n) __strncasecmp (s1, s2, n) +#else +static char const weekday_name[][10] = + { + "Sunday", "Monday", "Tuesday", "Wednesday", + "Thursday", "Friday", "Saturday" + }; +static char const ab_weekday_name[][4] = + { + "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" + }; +static char const month_name[][10] = + { + "January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", "December" + }; +static char const ab_month_name[][4] = + { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" + }; +# define HERE_D_T_FMT "%a %b %e %H:%M:%S %Y" +# define HERE_D_FMT "%m/%d/%y" +# define HERE_AM_STR "AM" +# define HERE_PM_STR "PM" +# define HERE_T_FMT_AMPM "%I:%M:%S %p" +# define HERE_T_FMT "%H:%M:%S" + +const unsigned short int __mon_yday[1][13] = + { + /* Normal years. */ + { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }, + /* Leap years. */ + { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 } + }; +#endif + +/* Status of lookup: do we use the locale data or the raw data? */ +enum locale_status { not, loc, raw }; + + +#ifndef __isleap +/* Nonzero if YEAR is a leap year (every 4 years, + except every 100th isn't, and every 400th is). */ +# define __isleap(year) \ + ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) +#endif + +/* Compute the day of the week. */ +static void +day_of_the_week (struct tm *tm) +{ + /* We know that January 1st 1970 was a Thursday (= 4). Compute the + the difference between this data in the one on TM and so determine + the weekday. */ + int corr_year = 1900 + tm->tm_year - (tm->tm_mon < 2); + int wday = (-473 + + (365 * (tm->tm_year - 70)) + + (corr_year / 4) + - ((corr_year / 4) / 25) + ((corr_year / 4) % 25 < 0) + + (((corr_year / 4) / 25) / 4) + + __mon_yday[0][tm->tm_mon] + + tm->tm_mday - 1); + tm->tm_wday = wday % 7; +} + +/* Compute the day of the year. */ +static void +day_of_the_year (struct tm *tm) +{ + tm->tm_yday = (__mon_yday[__isleap (1900 + tm->tm_year)][tm->tm_mon] + + (tm->tm_mday - 1)); +} + +static char * +#ifdef _LIBC +internal_function +#endif +strptime_internal __P ((const char *buf, const char *format, struct tm *tm, + enum locale_status *decided)); + +static char * +#ifdef _LIBC +internal_function +#endif +strptime_internal (buf, format, tm, decided) + const char *buf; + const char *format; + struct tm *tm; + enum locale_status *decided; +{ + const char *rp; + const char *fmt; + int cnt; + size_t val; + int have_I, is_pm; + int century, want_century; + int have_wday, want_xday; + int have_yday; + int have_mon, have_mday; + + rp = buf; + fmt = format; + have_I = is_pm = 0; + century = -1; + want_century = 0; + have_wday = want_xday = have_yday = have_mon = have_mday = 0; + + while (*fmt != '\0') + { + /* A white space in the format string matches 0 more or white + space in the input string. */ + if (isspace (*fmt)) + { + while (isspace (*rp)) + ++rp; + ++fmt; + continue; + } + + /* Any character but `%' must be matched by the same character + in the iput string. */ + if (*fmt != '%') + { + match_char (*fmt++, *rp++); + continue; + } + + ++fmt; +#ifndef _NL_CURRENT + /* We need this for handling the `E' modifier. */ + start_over: +#endif + switch (*fmt++) + { + case '%': + /* Match the `%' character itself. */ + match_char ('%', *rp++); + break; + case 'a': + case 'A': + /* Match day of week. */ + for (cnt = 0; cnt < 7; ++cnt) + { +#ifdef _NL_CURRENT + if (*decided !=raw) + { + if (match_string (_NL_CURRENT (LC_TIME, DAY_1 + cnt), rp)) + { + if (*decided == not + && strcmp (_NL_CURRENT (LC_TIME, DAY_1 + cnt), + weekday_name[cnt])) + *decided = loc; + break; + } + if (match_string (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt), rp)) + { + if (*decided == not + && strcmp (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt), + ab_weekday_name[cnt])) + *decided = loc; + break; + } + } +#endif + if (*decided != loc + && (match_string (weekday_name[cnt], rp) + || match_string (ab_weekday_name[cnt], rp))) + { + *decided = raw; + break; + } + } + if (cnt == 7) + /* Does not match a weekday name. */ + return NULL; + tm->tm_wday = cnt; + have_wday = 1; + break; + case 'b': + case 'B': + case 'h': + /* Match month name. */ + for (cnt = 0; cnt < 12; ++cnt) + { +#ifdef _NL_CURRENT + if (*decided !=raw) + { + if (match_string (_NL_CURRENT (LC_TIME, MON_1 + cnt), rp)) + { + if (*decided == not + && strcmp (_NL_CURRENT (LC_TIME, MON_1 + cnt), + month_name[cnt])) + *decided = loc; + break; + } + if (match_string (_NL_CURRENT (LC_TIME, ABMON_1 + cnt), rp)) + { + if (*decided == not + && strcmp (_NL_CURRENT (LC_TIME, ABMON_1 + cnt), + ab_month_name[cnt])) + *decided = loc; + break; + } + } +#endif + if (match_string (month_name[cnt], rp) + || match_string (ab_month_name[cnt], rp)) + { + *decided = raw; + break; + } + } + if (cnt == 12) + /* Does not match a month name. */ + return NULL; + tm->tm_mon = cnt; + want_xday = 1; + break; + case 'c': + /* Match locale's date and time format. */ +#ifdef _NL_CURRENT + if (*decided != raw) + { + if (!recursive (_NL_CURRENT (LC_TIME, D_T_FMT))) + { + if (*decided == loc) + return NULL; + } + else + { + if (*decided == not && + strcmp (_NL_CURRENT (LC_TIME, D_T_FMT), HERE_D_T_FMT)) + *decided = loc; + want_xday = 1; + break; + } + *decided = raw; + } +#endif + if (!recursive (HERE_D_T_FMT)) + return NULL; + want_xday = 1; + break; + case 'C': + /* Match century number. */ + get_number (0, 99, 2); + century = val; + want_xday = 1; + break; + case 'd': + case 'e': + /* Match day of month. */ + get_number (1, 31, 2); + tm->tm_mday = val; + have_mday = 1; + want_xday = 1; + break; + case 'F': + if (!recursive ("%Y-%m-%d")) + return NULL; + want_xday = 1; + break; + case 'x': +#ifdef _NL_CURRENT + if (*decided != raw) + { + if (!recursive (_NL_CURRENT (LC_TIME, D_FMT))) + { + if (*decided == loc) + return NULL; + } + else + { + if (decided == not + && strcmp (_NL_CURRENT (LC_TIME, D_FMT), HERE_D_FMT)) + *decided = loc; + want_xday = 1; + break; + } + *decided = raw; + } +#endif + /* Fall through. */ + case 'D': + /* Match standard day format. */ + if (!recursive (HERE_D_FMT)) + return NULL; + want_xday = 1; + break; + case 'k': + case 'H': + /* Match hour in 24-hour clock. */ + get_number (0, 23, 2); + tm->tm_hour = val; + have_I = 0; + break; + case 'I': + /* Match hour in 12-hour clock. */ + get_number (1, 12, 2); + tm->tm_hour = val % 12; + have_I = 1; + break; + case 'j': + /* Match day number of year. */ + get_number (1, 366, 3); + tm->tm_yday = val - 1; + have_yday = 1; + break; + case 'm': + /* Match number of month. */ + get_number (1, 12, 2); + tm->tm_mon = val - 1; + have_mon = 1; + want_xday = 1; + break; + case 'M': + /* Match minute. */ + get_number (0, 59, 2); + tm->tm_min = val; + break; + case 'n': + case 't': + /* Match any white space. */ + while (isspace (*rp)) + ++rp; + break; + case 'p': + /* Match locale's equivalent of AM/PM. */ +#ifdef _NL_CURRENT + if (*decided != raw) + { + if (match_string (_NL_CURRENT (LC_TIME, AM_STR), rp)) + { + if (strcmp (_NL_CURRENT (LC_TIME, AM_STR), HERE_AM_STR)) + *decided = loc; + break; + } + if (match_string (_NL_CURRENT (LC_TIME, PM_STR), rp)) + { + if (strcmp (_NL_CURRENT (LC_TIME, PM_STR), HERE_PM_STR)) + *decided = loc; + is_pm = 1; + break; + } + *decided = raw; + } +#endif + if (!match_string (HERE_AM_STR, rp)) + if (match_string (HERE_PM_STR, rp)) + is_pm = 1; + else + return NULL; + break; + case 'r': +#ifdef _NL_CURRENT + if (*decided != raw) + { + if (!recursive (_NL_CURRENT (LC_TIME, T_FMT_AMPM))) + { + if (*decided == loc) + return NULL; + } + else + { + if (*decided == not && + strcmp (_NL_CURRENT (LC_TIME, T_FMT_AMPM), + HERE_T_FMT_AMPM)) + *decided = loc; + break; + } + *decided = raw; + } +#endif + if (!recursive (HERE_T_FMT_AMPM)) + return NULL; + break; + case 'R': + if (!recursive ("%H:%M")) + return NULL; + break; + case 's': + { + /* The number of seconds may be very high so we cannot use + the `get_number' macro. Instead read the number + character for character and construct the result while + doing this. */ + time_t secs = 0; + if (*rp < '0' || *rp > '9') + /* We need at least one digit. */ + return NULL; + + do + { + secs *= 10; + secs += *rp++ - '0'; + } + while (*rp >= '0' && *rp <= '9'); + + if (localtime_r (&secs, tm) == NULL) + /* Error in function. */ + return NULL; + } + break; + case 'S': + get_number (0, 61, 2); + tm->tm_sec = val; + break; + case 'X': +#ifdef _NL_CURRENT + if (*decided != raw) + { + if (!recursive (_NL_CURRENT (LC_TIME, T_FMT))) + { + if (*decided == loc) + return NULL; + } + else + { + if (strcmp (_NL_CURRENT (LC_TIME, T_FMT), HERE_T_FMT)) + *decided = loc; + break; + } + *decided = raw; + } +#endif + /* Fall through. */ + case 'T': + if (!recursive (HERE_T_FMT)) + return NULL; + break; + case 'u': + get_number (1, 7, 1); + tm->tm_wday = val % 7; + have_wday = 1; + break; + case 'g': + get_number (0, 99, 2); + /* XXX This cannot determine any field in TM. */ + break; + case 'G': + if (*rp < '0' || *rp > '9') + return NULL; + /* XXX Ignore the number since we would need some more + information to compute a real date. */ + do + ++rp; + while (*rp >= '0' && *rp <= '9'); + break; + case 'U': + case 'V': + case 'W': + get_number (0, 53, 2); + /* XXX This cannot determine any field in TM without some + information. */ + break; + case 'w': + /* Match number of weekday. */ + get_number (0, 6, 1); + tm->tm_wday = val; + have_wday = 1; + break; + case 'y': + /* Match year within century. */ + get_number (0, 99, 2); + /* The "Year 2000: The Millennium Rollover" paper suggests that + values in the range 69-99 refer to the twentieth century. */ + tm->tm_year = val >= 69 ? val : val + 100; + /* Indicate that we want to use the century, if specified. */ + want_century = 1; + want_xday = 1; + break; + case 'Y': + /* Match year including century number. */ + get_number (0, 9999, 4); + tm->tm_year = val - 1900; + want_century = 0; + want_xday = 1; + break; + case 'Z': + /* XXX How to handle this? */ + break; + case 'E': +#ifdef _NL_CURRENT + switch (*fmt++) + { + case 'c': + /* Match locale's alternate date and time format. */ + if (*decided != raw) + { + const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_T_FMT); + + if (*fmt == '\0') + fmt = _NL_CURRENT (LC_TIME, D_T_FMT); + + if (!recursive (fmt)) + { + if (*decided == loc) + return NULL; + } + else + { + if (strcmp (fmt, HERE_D_T_FMT)) + *decided = loc; + want_xday = 1; + break; + } + *decided = raw; + } + /* The C locale has no era information, so use the + normal representation. */ + if (!recursive (HERE_D_T_FMT)) + return NULL; + want_xday = 1; + break; + case 'C': + case 'y': + case 'Y': + /* Match name of base year in locale's alternate + representation. */ + /* XXX This is currently not implemented. It should + use the value _NL_CURRENT (LC_TIME, ERA). */ + break; + case 'x': + if (*decided != raw) + { + const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_FMT); + + if (*fmt == '\0') + fmt = _NL_CURRENT (LC_TIME, D_FMT); + + if (!recursive (fmt)) + { + if (*decided == loc) + return NULL; + } + else + { + if (strcmp (fmt, HERE_D_FMT)) + *decided = loc; + break; + } + *decided = raw; + } + if (!recursive (HERE_D_FMT)) + return NULL; + break; + case 'X': + if (*decided != raw) + { + const char *fmt = _NL_CURRENT (LC_TIME, ERA_T_FMT); + + if (*fmt == '\0') + fmt = _NL_CURRENT (LC_TIME, T_FMT); + + if (!recursive (fmt)) + { + if (*decided == loc) + return NULL; + } + else + { + if (strcmp (fmt, HERE_T_FMT)) + *decided = loc; + break; + } + *decided = raw; + } + if (!recursive (HERE_T_FMT)) + return NULL; + break; + default: + return NULL; + } + break; +#else + /* We have no information about the era format. Just use + the normal format. */ + if (*fmt != 'c' && *fmt != 'C' && *fmt != 'y' && *fmt != 'Y' + && *fmt != 'x' && *fmt != 'X') + /* This is an illegal format. */ + return NULL; + + goto start_over; +#endif + case 'O': + switch (*fmt++) + { + case 'd': + case 'e': + /* Match day of month using alternate numeric symbols. */ + get_alt_number (1, 31, 2); + tm->tm_mday = val; + have_mday = 1; + want_xday = 1; + break; + case 'H': + /* Match hour in 24-hour clock using alternate numeric + symbols. */ + get_alt_number (0, 23, 2); + tm->tm_hour = val; + have_I = 0; + break; + case 'I': + /* Match hour in 12-hour clock using alternate numeric + symbols. */ + get_alt_number (1, 12, 2); + tm->tm_hour = val - 1; + have_I = 1; + break; + case 'm': + /* Match month using alternate numeric symbols. */ + get_alt_number (1, 12, 2); + tm->tm_mon = val - 1; + have_mon = 1; + want_xday = 1; + break; + case 'M': + /* Match minutes using alternate numeric symbols. */ + get_alt_number (0, 59, 2); + tm->tm_min = val; + break; + case 'S': + /* Match seconds using alternate numeric symbols. */ + get_alt_number (0, 61, 2); + tm->tm_sec = val; + break; + case 'U': + case 'V': + case 'W': + get_alt_number (0, 53, 2); + /* XXX This cannot determine any field in TM without + further information. */ + break; + case 'w': + /* Match number of weekday using alternate numeric symbols. */ + get_alt_number (0, 6, 1); + tm->tm_wday = val; + have_wday = 1; + break; + case 'y': + /* Match year within century using alternate numeric symbols. */ + get_alt_number (0, 99, 2); + tm->tm_year = val >= 69 ? val : val + 100; + want_xday = 1; + break; + default: + return NULL; + } + break; + default: + return NULL; + } + } + + if (have_I && is_pm) + tm->tm_hour += 12; + + if (want_century && century != -1) + tm->tm_year = tm->tm_year % 100 + (century - 19) * 100; + + if (want_xday && !have_wday) { + if ( !(have_mon && have_mday) && have_yday) { + /* we don't have tm_mon and/or tm_mday, compute them */ + int t_mon = 0; + while (__mon_yday[__isleap(1900 + tm->tm_year)][t_mon] <= tm->tm_yday) + t_mon++; + if (!have_mon) + tm->tm_mon = t_mon - 1; + if (!have_mday) + tm->tm_mday = tm->tm_yday - __mon_yday[__isleap(1900 + tm->tm_year)][t_mon - 1] + 1; + } + day_of_the_week (tm); + } + if (want_xday && !have_yday) + day_of_the_year (tm); + + return (char *) rp; +} + + +char * +strptime (buf, format, tm) + const char *buf; + const char *format; + struct tm *tm; +{ + enum locale_status decided; +#ifdef _NL_CURRENT + decided = not; +#else + decided = raw; +#endif + return strptime_internal (buf, format, tm, &decided); +}
--- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,9 @@ +2000-01-20 John W. Eaton <jwe@bevo.che.wisc.edu> + + * DLD-FUNCTIONS/time.cc (Fstrptime): New function. + + * load-save.cc (Fsave): Add missing else. + 2000-01-17 John W. Eaton <jwe@bevo.che.wisc.edu> * DLD-FUNCTIONS/gammainc.cc (Fgammainc): Texinfoize doc string.
--- a/src/DLD-FUNCTIONS/time.cc +++ b/src/DLD-FUNCTIONS/time.cc @@ -120,7 +120,7 @@ @end example\n\ @end deftypefn") { - octave_value_list retval; + octave_value retval; if (args.length () == 1) { @@ -161,7 +161,7 @@ @end example\n\ @end deftypefn") { - octave_value_list retval; + octave_value retval; if (args.length () == 1) { @@ -190,7 +190,7 @@ @end example\n\ @end deftypefn") { - octave_value_list retval; + octave_value retval; if (args.length () == 1) { @@ -365,7 +365,7 @@ @end table\n\ @end deftypefn\n") { - octave_value_list retval; + octave_value retval; if (args.length () == 2) { @@ -396,6 +396,42 @@ return retval; } +DEFUN_DLD (strptime, args, , + "-*- texinfo -*-\n\ +@deftypefn {Loadable Function} {[@var{tm_struct}, @var{nchars}] =} stpftime (@var{str}, @var{fmt})\n\ +Convert the string @var{str} to a time structure under the control of\n\ +the format @var{fmt}.\n\ +@end deftypefn") +{ + octave_value_list retval; + + if (args.length () == 2) + { + string str = args(0).string_value (); + + if (! error_state) + { + string fmt = args(1).string_value (); + + if (! error_state) + { + octave_strptime t (str, fmt); + + retval(1) = static_cast<double> (t.characters_converted ()); + retval(0) = octave_value (mk_tm_map (t)); + } + else + error ("strptime: expecting format string as second argument"); + } + else + error ("strptime: expecting string as first argument"); + } + else + print_usage ("strptime"); + + return retval; +} + /* ;;; Local Variables: *** ;;; mode: C++ ***