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+/*
+ * Calcurse - text-based organizer
+ *
+ * Copyright (c) 2004-2012 calcurse Development Team <misc@calcurse.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the
+ * following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the
+ * following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Send your feedback or comments to : misc@calcurse.org
+ * Calcurse home page : http://calcurse.org
+ *
+ */
+
+#include <sys/types.h>
+
+#include "calcurse.h"
+
+/* Static functions used to add export functionalities. */
+static void pcal_export_header(FILE *);
+static void pcal_export_recur_events(FILE *);
+static void pcal_export_events(FILE *);
+static void pcal_export_recur_apoints(FILE *);
+static void pcal_export_apoints(FILE *);
+static void pcal_export_todo(FILE *);
+static void pcal_export_footer(FILE *);
+
+/* Type definition for callbacks to export functions. */
+typedef void (*cb_dump_t) (FILE *, long, long, char *);
+
+/*
+ * Travel through each occurence of an item, and execute the given callback
+ * (mainly used to export data).
+ */
+static void
+foreach_date_dump(const long date_end, struct rpt *rpt, llist_t * exc,
+ long item_first_date, long item_dur, char *item_mesg,
+ cb_dump_t cb_dump, FILE * stream)
+{
+ long date, item_time;
+ struct tm lt;
+ time_t t;
+
+ t = item_first_date;
+ lt = *localtime(&t);
+ lt.tm_hour = lt.tm_min = lt.tm_sec = 0;
+ lt.tm_isdst = -1;
+ date = mktime(&lt);
+ item_time = item_first_date - date;
+
+ while (date <= date_end && date <= rpt->until) {
+ if (recur_item_inday(item_first_date, item_dur, exc, rpt->type,
+ rpt->freq, rpt->until, date)) {
+ (*cb_dump) (stream, date + item_time, item_dur, item_mesg);
+ }
+ switch (rpt->type) {
+ case RECUR_DAILY:
+ date = date_sec_change(date, 0, rpt->freq);
+ break;
+ case RECUR_WEEKLY:
+ date = date_sec_change(date, 0, rpt->freq * WEEKINDAYS);
+ break;
+ case RECUR_MONTHLY:
+ date = date_sec_change(date, rpt->freq, 0);
+ break;
+ case RECUR_YEARLY:
+ date = date_sec_change(date, rpt->freq * 12, 0);
+ break;
+ default:
+ EXIT(_("incoherent repetition type"));
+ /* NOTREACHED */
+ break;
+ }
+ }
+}
+
+static void pcal_export_header(FILE * stream)
+{
+ fputs("# calcurse pcal export\n", stream);
+ fputs("\n# =======\n# options\n# =======\n", stream);
+ fprintf(stream, "opt -A -K -l -m -F %s\n",
+ calendar_week_begins_on_monday()? "Monday" : "Sunday");
+ fputs("# Display week number (i.e. 1-52) on every Monday\n", stream);
+ fprintf(stream, "all monday in all week %%w\n");
+ fputc('\n', stream);
+}
+
+static void pcal_export_footer(FILE * stream)
+{
+}
+
+/* Format and dump event data to a pcal formatted file. */
+static void
+pcal_dump_event(FILE * stream, long event_date, long event_dur,
+ char *event_mesg)
+{
+ char pcal_date[BUFSIZ];
+
+ date_sec2date_fmt(event_date, "%b %d", pcal_date);
+ fprintf(stream, "%s %s\n", pcal_date, event_mesg);
+}
+
+/* Format and dump appointment data to a pcal formatted file. */
+static void
+pcal_dump_apoint(FILE * stream, long apoint_date, long apoint_dur,
+ char *apoint_mesg)
+{
+ char pcal_date[BUFSIZ], pcal_beg[BUFSIZ], pcal_end[BUFSIZ];
+
+ date_sec2date_fmt(apoint_date, "%b %d", pcal_date);
+ date_sec2date_fmt(apoint_date, "%R", pcal_beg);
+ date_sec2date_fmt(apoint_date + apoint_dur, "%R", pcal_end);
+ fprintf(stream, "%s ", pcal_date);
+ fprintf(stream, "(%s -> %s) %s\n", pcal_beg, pcal_end, apoint_mesg);
+}
+
+static void pcal_export_recur_events(FILE * stream)
+{
+ llist_item_t *i;
+ char pcal_date[BUFSIZ];
+
+ fputs("\n# =============", stream);
+ fputs("\n# Recur. Events", stream);
+ fputs("\n# =============\n", stream);
+ fputs("# (pcal does not support from..until dates specification\n", stream);
+
+ LLIST_FOREACH(&recur_elist, i) {
+ struct recur_event *rev = LLIST_GET_DATA(i);
+ if (rev->rpt->until == 0 && rev->rpt->freq == 1) {
+ switch (rev->rpt->type) {
+ case RECUR_DAILY:
+ date_sec2date_fmt(rev->day, "%b %d", pcal_date);
+ fprintf(stream, "all day on_or_after %s %s\n", pcal_date, rev->mesg);
+ break;
+ case RECUR_WEEKLY:
+ date_sec2date_fmt(rev->day, "%a", pcal_date);
+ fprintf(stream, "all %s on_or_after ", pcal_date);
+ date_sec2date_fmt(rev->day, "%b %d", pcal_date);
+ fprintf(stream, "%s %s\n", pcal_date, rev->mesg);
+ break;
+ case RECUR_MONTHLY:
+ date_sec2date_fmt(rev->day, "%d", pcal_date);
+ fprintf(stream, "day on all %s %s\n", pcal_date, rev->mesg);
+ break;
+ case RECUR_YEARLY:
+ date_sec2date_fmt(rev->day, "%b %d", pcal_date);
+ fprintf(stream, "%s %s\n", pcal_date, rev->mesg);
+ break;
+ default:
+ EXIT(_("incoherent repetition type"));
+ }
+ } else {
+ const long YEAR_START = calendar_start_of_year();
+ const long YEAR_END = calendar_end_of_year();
+
+ if (rev->day < YEAR_END && rev->day > YEAR_START)
+ foreach_date_dump(YEAR_END, rev->rpt, &rev->exc, rev->day, 0,
+ rev->mesg, (cb_dump_t) pcal_dump_event, stream);
+ }
+ }
+}
+
+static void pcal_export_events(FILE * stream)
+{
+ llist_item_t *i;
+
+ fputs("\n# ======\n# Events\n# ======\n", stream);
+ LLIST_FOREACH(&eventlist, i) {
+ struct event *ev = LLIST_TS_GET_DATA(i);
+ pcal_dump_event(stream, ev->day, 0, ev->mesg);
+ }
+ fputc('\n', stream);
+}
+
+static void pcal_export_recur_apoints(FILE * stream)
+{
+ llist_item_t *i;
+ char pcal_date[BUFSIZ], pcal_beg[BUFSIZ], pcal_end[BUFSIZ];
+
+ fputs("\n# ==============", stream);
+ fputs("\n# Recur. Apoints", stream);
+ fputs("\n# ==============\n", stream);
+ fputs("# (pcal does not support from..until dates specification\n", stream);
+
+ LLIST_TS_FOREACH(&recur_alist_p, i) {
+ struct recur_apoint *rapt = LLIST_TS_GET_DATA(i);
+
+ if (rapt->rpt->until == 0 && rapt->rpt->freq == 1) {
+ date_sec2date_fmt(rapt->start, "%R", pcal_beg);
+ date_sec2date_fmt(rapt->start + rapt->dur, "%R", pcal_end);
+ switch (rapt->rpt->type) {
+ case RECUR_DAILY:
+ date_sec2date_fmt(rapt->start, "%b %d", pcal_date);
+ fprintf(stream, "all day on_or_after %s (%s -> %s) %s\n",
+ pcal_date, pcal_beg, pcal_end, rapt->mesg);
+ break;
+ case RECUR_WEEKLY:
+ date_sec2date_fmt(rapt->start, "%a", pcal_date);
+ fprintf(stream, "all %s on_or_after ", pcal_date);
+ date_sec2date_fmt(rapt->start, "%b %d", pcal_date);
+ fprintf(stream, "%s (%s -> %s) %s\n", pcal_date, pcal_beg,
+ pcal_end, rapt->mesg);
+ break;
+ case RECUR_MONTHLY:
+ date_sec2date_fmt(rapt->start, "%d", pcal_date);
+ fprintf(stream, "day on all %s (%s -> %s) %s\n", pcal_date,
+ pcal_beg, pcal_end, rapt->mesg);
+ break;
+ case RECUR_YEARLY:
+ date_sec2date_fmt(rapt->start, "%b %d", pcal_date);
+ fprintf(stream, "%s (%s -> %s) %s\n", pcal_date, pcal_beg,
+ pcal_end, rapt->mesg);
+ break;
+ default:
+ EXIT(_("incoherent repetition type"));
+ }
+ } else {
+ const long YEAR_START = calendar_start_of_year();
+ const long YEAR_END = calendar_end_of_year();
+
+ if (rapt->start < YEAR_END && rapt->start > YEAR_START)
+ foreach_date_dump(YEAR_END, rapt->rpt, &rapt->exc, rapt->start,
+ rapt->dur, rapt->mesg,
+ (cb_dump_t) pcal_dump_apoint, stream);
+ }
+ }
+}
+
+static void pcal_export_apoints(FILE * stream)
+{
+ llist_item_t *i;
+
+ fputs("\n# ============\n# Appointments\n# ============\n", stream);
+ LLIST_TS_LOCK(&alist_p);
+ LLIST_TS_FOREACH(&alist_p, i) {
+ struct apoint *apt = LLIST_TS_GET_DATA(i);
+ pcal_dump_apoint(stream, apt->start, apt->dur, apt->mesg);
+ }
+ LLIST_TS_UNLOCK(&alist_p);
+ fputc('\n', stream);
+}
+
+static void pcal_export_todo(FILE * stream)
+{
+ llist_item_t *i;
+
+ fputs("#\n# Todos\n#\n", stream);
+ LLIST_FOREACH(&todolist, i) {
+ struct todo *todo = LLIST_TS_GET_DATA(i);
+ if (todo->id < 0) /* completed items */
+ continue;
+
+ fputs("note all ", stream);
+ fprintf(stream, "%d. %s\n", todo->id, todo->mesg);
+ }
+ fputc('\n', stream);
+}
+
+/* Export calcurse data. */
+void pcal_export_data(FILE * stream)
+{
+ pcal_export_header(stream);
+ pcal_export_recur_events(stream);
+ pcal_export_events(stream);
+ pcal_export_recur_apoints(stream);
+ pcal_export_apoints(stream);
+ pcal_export_todo(stream);
+ pcal_export_footer(stream);
+}
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