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