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Update datestr2datenum.m #206

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41 changes: 27 additions & 14 deletions Utils/Shared/datestr2datenum.m
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Original file line number Diff line number Diff line change
@@ -1,25 +1,39 @@
function [datetimeNum, datetimeStr] = datestr2datenum(datetimeStr)
datetimeNum = 0;

START_YEAR = 2000;
MONTHS = {'jan','feb','mar','apr','may','jun','jul','aug','sep','oct','nov','dec'};
ENG_MONTHS = {'jan','feb','mar','apr','may','jun','jul','aug','sep','oct','nov','dec'};
CHN_MONTHS = {'01月','02月','03月','04月','05月','06月','07月','08月','09月','10月','11月','12月'};
NUMDAYSINMONTH = [ 31 29 31 30 31 30 31 31 30 31 30 31 ];

base_yr = 32140800; % 12*31*24*60*60
base_mo = 2678400; % 31*24*60*60;
base_day = 86400; % 24*60*60;
base_hr = 3600; % 60*60;
base_min = 60;

date_standard_fmt = char(datetime(datetimeStr, 'TimeZone','local','Format','MMM-dd-yyyy HH:mm:ss'));

year = str2num(date_standard_fmt(8:11)) - START_YEAR;
month = find(strcmpi(MONTHS, date_standard_fmt(1:3)));
day = str2num(date_standard_fmt(5:6));
hour = str2num(date_standard_fmt(13:14));
min = str2num(date_standard_fmt(16:17));
sec = str2num(date_standard_fmt(19:20));

if ~isempty(regexpi(datetimeStr, '[一-龥]'))
% Chinese date format
MONTHS = CHN_MONTHS;
date_fmt = 'dd-MM月-yyyy HH:mm:ss';
else
% English date format
MONTHS = ENG_MONTHS;
date_fmt = 'MMM-dd-yyyy HH:mm:ss';
end
date_standard_fmt = char(datetime(datetimeStr, 'TimeZone','local','Format',date_fmt));
if ~isempty(regexpi(datetimeStr, '[一-龥]'))
year = str2num(date_standard_fmt(8:11)) - START_YEAR;
month = find(strcmpi(MONTHS, date_standard_fmt(4:6)));
day = str2num(date_standard_fmt(1:2));
hour = str2num(date_standard_fmt(13:14));
min = str2num(date_standard_fmt(16:17));
sec = str2num(date_standard_fmt(19:20));
else
year = str2num(date_standard_fmt(8:11)) - START_YEAR;
month = find(strcmpi(MONTHS, date_standard_fmt(1:3)));
day = str2num(date_standard_fmt(5:6));
hour = str2num(date_standard_fmt(13:14));
min = str2num(date_standard_fmt(16:17));
sec = str2num(date_standard_fmt(19:20));
end
% Now that we have a numeric date, check it for errors
if year<0
return;
Expand All @@ -41,4 +55,3 @@
end

datetimeNum = uint32(year*base_yr + month*base_mo + day*base_day + hour*base_hr + min*base_min + sec);