dotfiles/.bin/OLD/t2i/text2ical.c

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C
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#include <stdio.h>
#include <string.h>
#include <time.h>
int main(int argc, const char *argv[])
{
char buf[256];
int bufpos = 0;
int sepno = 0;
int newevent = 1;
struct tm timeptr;
char *pevent, *pdate, *ptime, *comment = &buf[0];
char c;
memset(buf, 0x0, sizeof(buf));
printf("BEGIN:VCALENDAR\n");
printf("VERSION:2.0\n");
printf("PRODID:-//uugrn.org//Event Calendar 1.0//EN\n");
printf("CALSCALE:GREGORIAN\n");
printf("METHOD:PUBLISH\n");
printf("ORGANIZER:Unix User Group Rhein-Neckar\n\n");
while((c = getc(stdin)) != EOF) {
if(newevent) {
printf("BEGIN:VEVENT\n");
newevent = 0;
}
/* append the current charater to our buffer */
buf[bufpos] = c;
/* we found a tab or newline */
if(c == 0x9 || c == 0x0a) {
/* count it */
sepno++;
/* ... and terminate here, so we can print buf */
buf[bufpos] = 0x0;
/* skip lines without at least two tabs and one newline */
if(sepno < 3 && c == 0x0a) {
bufpos = sepno = 0;
continue;
}
if (sepno == 1)
printf("SUMMARY:%s\n", buf);
else if (sepno == 2) {
strptime(buf, "%d.%m.%Y", &timeptr);
printf("DTSTART:%.4d%.2d%.2d",
timeptr.tm_year + 1900,
timeptr.tm_mon + 1,
timeptr.tm_mday);
} else if (sepno == 3) {
strptime(buf, "%H:%M", &timeptr);
printf("%.2d%.2d\n",
timeptr.tm_hour,
timeptr.tm_min);
printf("DTEND:%.2d%.2d\n",
timeptr.tm_hour + 3,
timeptr.tm_min);
}
else if (sepno == 4)
printf("DESCRIPTION:%s\n", buf);
if (c == 0x0a) {
printf("END:VEVENT\n\n");
newevent = 1;
sepno = 0;
}
bufpos = 0;
} else
bufpos++;
}
printf("END:VCALENDAR\n");
return 0;
}