ref: ad5019c396ab474093dd40c8e880125eb12e9864
parent: 2d294ab079a4fbdb60bf38dd97064f7c07aed3b6
author: sirjofri <sirjofri@sirjofri.de>
date: Thu Jun 11 11:10:30 EDT 2020
removes deprecated (in this branch unused) date parsing functions
--- a/date.c
+++ /dev/null
@@ -1,201 +1,0 @@
-#include <u.h>
-#include <libc.h>
-#include "date.h"
-
-int
-str2mon(char *s)
-{- if(!strcmp(s, "Jan")) return 0;
- if(!strcmp(s, "Feb")) return 1;
- if(!strcmp(s, "Mar")) return 2;
- if(!strcmp(s, "Apr")) return 3;
- if(!strcmp(s, "May")) return 4;
- if(!strcmp(s, "Jun")) return 5;
- if(!strcmp(s, "Jul")) return 6;
- if(!strcmp(s, "Aug")) return 7;
- if(!strcmp(s, "Sep")) return 8;
- if(!strcmp(s, "Oct")) return 9;
- if(!strcmp(s, "Nov")) return 10;
- if(!strcmp(s, "Dec")) return 11;
- return 0;
-}
-
-int
-str2wday(char *s)
-{- if(!strcmp(s, "Sun")) return 0;
- if(!strcmp(s, "Mon")) return 1;
- if(!strcmp(s, "Tue")) return 2;
- if(!strcmp(s, "Wed")) return 3;
- if(!strcmp(s, "Thu")) return 4;
- if(!strcmp(s, "Fri")) return 5;
- if(!strcmp(s, "Sat")) return 6;
- return 0;
-}
-
-int
-doty(int day, int month, int year)
-{- int n, i;
-
- n = 0;
- for(i = 0; i < month; i++){- if(i == 0) n += 31;
- if(i == 1){- if(year%4 == 0 && year%100 == 0 && year%400 != 0)
- n += 29;
- else
- n += 28;
- }
- if(i == 2) n += 31;
- if(i == 3) n += 30;
- if(i == 4) n += 31;
- if(i == 5) n += 30;
- if(i == 6) n += 31;
- if(i == 7) n += 31;
- if(i == 8) n += 30;
- if(i == 9) n += 31;
- if(i == 10) n += 30;
- if(i == 11) n += 31;
- }
-
- n += day;
-
- return n;
-}
-
-long
-parseatomdate(char *input)
-{- /* YYYY-MM-DDTHH:MM:SSZ */
- /* YYYY year */
- /* MM month */
- /* DD day of month */
- /* T or space */
- /* HH hour */
- /* MM minute */
- /* SS seconds */
- /* .SS seconds (sub, optional) */
- /* Z zulu (UTC+0) */
- /* +HH:MM tz offset */
-
- /* examples: length */
- /* 2020-06-05( |T)13:20:35.44+04:00 28 */
- /* 2020-06-05( |T)13:20:35+04:00 25 */
- /* 2020-06-05( |T)13:20:35.44Z 23 */
- /* 2020-06-05( |T)13:20:35Z 20 */
-
- Tm ret;
- char *args[9];
- char s[32];
- int n;
-
- strcpy(s, input);
-
- switch(strlen(s)){- case 28:
- n = getfields(s, args, 9, 1, "- T:.+Z");
- if(n != 9)
- sysfatal("error parsing atom date: %d", n);- ret.year = atoi(args[0]) - 1900;
- ret.mon = atoi(args[1]) - 1;
- ret.mday = atoi(args[2]);
- ret.tzoff = atoi(args[7]);
- ret.hour = atoi(args[3]);
- ret.min = atoi(args[4]);
- ret.sec = atoi(args[5]);
- break;
- case 25:
- n = getfields(s, args, 8, 1, "- T:.+Z");
- if(n != 8)
- sysfatal("error parsing atom date: %d", n);- ret.year = atoi(args[0]) - 1900;
- ret.mon = atoi(args[1]) - 1;
- ret.mday = atoi(args[2]);
- ret.tzoff = atoi(args[6]);
- ret.hour = atoi(args[3]);
- ret.min = atoi(args[4]);
- ret.sec = atoi(args[5]);
- break;
- case 23:
- n = getfields(s, args, 7, 1, "- T:.+Z");
- if(n != 7)
- sysfatal("error parsing atom date: %d", n);- ret.year = atoi(args[0]) - 1900;
- ret.mon = atoi(args[1]);
- ret.mday = atoi(args[2]);
- ret.tzoff = 0;
- ret.hour = atoi(args[3]);
- ret.min = atoi(args[4]);
- ret.sec = atoi(args[5]);
- break;
- case 20:
- n = getfields(s, args, 6, 1, "- T:.+Z");
- if(n != 6)
- sysfatal("error parsing atom date: %d", n);- ret.year = atoi(args[0]) - 1900;
- ret.mon = atoi(args[1]) - 1;
- ret.mday = atoi(args[2]);
- ret.tzoff = 0;
- ret.hour = atoi(args[3]);
- ret.min = atoi(args[4]);
- ret.sec = atoi(args[5]);
- break;
- default:
- sysfatal("error parsing atom date format: %s", s);- }
- ret.yday = doty(ret.mday, ret.mon, ret.year);
-
- return tm2sec(&ret) - ret.tzoff*60*60;
-}
-
-long
-parsedate(char *s)
-{- Tm ret;
- char input[64];
- char *args[8];
- int n, i;
-
- strcpy(input, s);
- n = getfields(input, args, 8, 1, ", :");
-
- if(n < 8){- /* try parsing atom date */
- return parseatomdate(s);
- }
-
- for(i = 0; i < n; i++){- if(!args[i])
- sysfatal("error parsing pubDate: %s", s);- switch(i){- case 0: /* day of the week */
- ret.wday = str2wday(args[i]);
- break;
- case 1: /* day of the month */
- ret.mday = atoi(args[i]);
- break;
- case 2: /* month of the year */
- ret.mon = str2mon(args[i]);
- break;
- case 3: /* year */
- ret.year = atoi(args[i]) - 1900;
- break;
- case 4: /* hour */
- ret.hour = atoi(args[i]);
- break;
- case 5: /* minute */
- ret.min = atoi(args[i]);
- break;
- case 6: /* second */
- ret.sec = atoi(args[i]);
- break;
- case 7: /* timezone offset */
- ret.tzoff = atoi(args[i])/100;
- break;
- }
- }
- ret.yday = doty(ret.mday, ret.mon, ret.year);
-
- return tm2sec(&ret) - ret.tzoff*60*60;
-}
\ No newline at end of file
--- a/date.h
+++ /dev/null
@@ -1,5 +1,0 @@
-int str2mon(char *s);
-int str2wday(char *s);
-int doty(int day, int month, int year);
-long parseatomdate(char *s);
-long parsedate(char *s);