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#include "SysUtils.h"
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "system.h"
#include "misc.h"
TDateTime fpcrtl_date()
{
const int num_days_between_1900_1980 = 29220;
struct tm ref_date;
struct tm cur_date;
time_t local_time;
time_t ref_time, cur_time;
double timeDiff;
double day_time_frac; //fraction that represents the time in one day
int num_seconds;
int numDays;
// unix epoch doesn't work, choose Jan 1st 1980 instead
ref_date.tm_year = 80;
ref_date.tm_mon = 0;
ref_date.tm_mday = 1;
ref_date.tm_hour = 0;
ref_date.tm_min = 0;
ref_date.tm_sec = 0;
ref_date.tm_isdst = 0;
ref_date.tm_wday = 0; // ignored
ref_date.tm_yday = 0; // ignored
local_time = time(NULL);
cur_date = *localtime(&local_time);
cur_date.tm_hour = 0;
cur_date.tm_min = 0;
cur_date.tm_sec = 0;
ref_time = mktime(&ref_date);
cur_time = mktime(&cur_date);
timeDiff = difftime(cur_time, ref_time);
numDays = fpcrtl_round(timeDiff / 3600 / 24) + num_days_between_1900_1980 + 1;
fpcrtl_printf("[date] tim diff: %f\n", timeDiff);
fpcrtl_printf("[date] num days between 1980 and today: %d\n", fpcrtl_round(timeDiff/3600/24));
fpcrtl_printf("[date] current date: %s\n", asctime(&cur_date));
fpcrtl_printf("[date] reference date: %s\n", asctime(&ref_date));
fpcrtl_printf("[date] num days: %d\n", numDays);
return numDays;
}
TDateTime fpcrtl_time()
{
struct tm cur_date;
time_t local_time;
time_t cur_time;
double day_time_frac; //fraction that represents the time in one day
int num_seconds;
local_time = time(NULL);
cur_date = *localtime(&local_time);
num_seconds = cur_date.tm_hour * 3600 + cur_date.tm_min * 60 + cur_date.tm_sec;
day_time_frac = num_seconds / 3600.0 / 24.0;
fpcrtl_printf("%f\n", day_time_frac);
return day_time_frac;
}
TDateTime fpcrtl_now()
{
return fpcrtl_date() + fpcrtl_time();
}
// Semi-dummy implementation of FormatDateTime
string255 fpcrtl_formatDateTime(string255 FormatStr, TDateTime DateTime)
{
string255 buffer = FormatStr;
time_t rawtime;
struct tm* my_tm;
// DateTime is ignored, always uses current time.
// TODO: Use DateTime argument properly.
time(&rawtime);
my_tm = localtime(&rawtime);
// Currently uses a hardcoded format string, FormatStr is ignored.
// The format strings for C and Pascal differ!
// TODO: Use FormatStr argument properly.
size_t len = strftime(buffer.str, sizeof(buffer.str), "%Y-%m-%d-%H-%M-%S-0", my_tm);
buffer.len = len;
return buffer;
}
string255 fpcrtl_trim(string255 s)
{
int left, right;
if(s.len == 0){
return s;
}
for(left = 0; left < s.len; left++)
{
if(s.str[left] != ' '){
break;
}
}
for(right = s.len - 1; right >= 0; right--)
{
if(s.str[right] != ' '){
break;
}
}
if(left > right){
s.len = 0;
s.str[0] = 0;
return s;
}
s.len = right - left + 1;
memmove(s.str, s.str + left, s.len);
s.str[s.len] = 0;
return s;
}
Integer fpcrtl_strToInt(string255 s)
{
s.str[s.len] = 0;
return atoi(s.str);
}
string255 fpcrtl_extractFileDir(string255 f)
{
const char sep[] = {'\\', '/', ':'};
LongInt i,j;
i = f.len - 1;
while(i >= 0){
for(j = 0; j < sizeof(sep); j++){
if(f.str[i] == sep[j]){
goto FPCRTL_EXTRACTFILEDIR_END;
}
}
i--;
}
FPCRTL_EXTRACTFILEDIR_END:
return fpcrtl_copy(f, 1, i);
}
//function ExtractFileName(const FileName: string): string;
//var
// i : longint;
// EndSep : Set of Char;
//begin
// I := Length(FileName);
// EndSep:=AllowDirectorySeparators+AllowDriveSeparators;
// while (I > 0) and not (FileName[I] in EndSep) do
// Dec(I);
// Result := Copy(FileName, I + 1, MaxInt);
//end;
string255 fpcrtl_extractFileName(string255 f)
{
const char sep[] = {'\\', '/', ':'};
LongInt i,j;
i = f.len - 1;
while(i >= 0){
for(j = 0; j < sizeof(sep); j++){
if(f.str[i] == sep[j]){
goto FPCRTL_EXTRACTFILENAME_END;
}
}
i--;
}
FPCRTL_EXTRACTFILENAME_END:
return fpcrtl_copy(f, i + 2, 256);
}
string255 fpcrtl_strPas(PChar p)
{
return fpcrtl_pchar2str(p);
}
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