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-rw-r--r--debian/opensync/opensync-0.22/formats/vformats-xml/vcalical.c472
1 files changed, 0 insertions, 472 deletions
diff --git a/debian/opensync/opensync-0.22/formats/vformats-xml/vcalical.c b/debian/opensync/opensync-0.22/formats/vformats-xml/vcalical.c
deleted file mode 100644
index 54a05946..00000000
--- a/debian/opensync/opensync-0.22/formats/vformats-xml/vcalical.c
+++ /dev/null
@@ -1,472 +0,0 @@
-/*
- * vcalical - An vcal/ical converter
- * Copyright (C) 2006 Daniel Gollub <dgollub@suse.de>
- * Copyright (C) 2006 Christopher Stender <cstender@suse.de>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "xml-support.h"
-#include "vformat.h"
-#include "xml-vcal.h"
-#include <glib.h>
-
-
-/* ical 2 vcal */
-#define ATTR_COUNT (sizeof(rrule_attr)/sizeof(rrule_attr[0]))
-#define PARAM_COUNT (sizeof(rrule_param)/sizeof(rrule_param[0]))
-
-enum {
- FIELD_FREQ,
- FIELD_INTERVAL,
- FIELD_FREQMOD,
- FIELD_FREQMOD2,
- FIELD_COUNTUNTIL,
- NUM_OF_FIELDS
-};
-
-enum {
- TYPE_ATTR,
- TYPE_PARAM
-};
-
-struct _rrule_attr {
- const char *ical;
- const char *vcal;
- int field;
-} rrule_attr[] = {
- { "BYDAY", " ", FIELD_FREQMOD },
- { "BYMONTH", " ", FIELD_FREQMOD },
- { "BYMONTHDAY", " ", FIELD_FREQMOD },
- { "BYYEARDAY", " ", FIELD_FREQMOD },
- { "COUNT", " #", FIELD_COUNTUNTIL },
- { "FREQ", "", FIELD_FREQ },
- { "INTERVAL", "", FIELD_INTERVAL },
- { "UNTIL", " ", FIELD_COUNTUNTIL }
-};
-
-struct _rrule_param {
- const char *ical;
- const char *vcal;
-} rrule_param[] = {
- { "DAILY", "D" },
- { "MONTHLY", "M" },
- { "WEEKLY", "W" },
- { "YEARLY", "YM" }
-};
-
-static int comp_attr(const void *m1, const void *m2) {
- struct _rrule_attr *mi1 = (struct _rrule_attr *) m1;
- struct _rrule_attr *mi2 = (struct _rrule_attr *) m2;
- return strcmp(mi1->ical, mi2->ical);
-}
-static int comp_param(const void *m1, const void *m2) {
- struct _rrule_param *mi1 = (struct _rrule_param *) m1;
- struct _rrule_param *mi2 = (struct _rrule_param *) m2;
- return strcmp(mi1->ical, mi2->ical);
-}
-
-struct _rrule_attr *_parse_rrule_attr(const char *ical) {
-
- struct _rrule_attr key, *res;
- key.ical = ical;
-
- res = bsearch(&key, rrule_attr, ATTR_COUNT, sizeof(struct _rrule_attr), comp_attr);
-
- if (!res)
- return NULL;
-
- return res;
-}
-
-const char *_parse_rrule_param(const char *ical) {
-
- struct _rrule_param key, *res;
- const char *ret = NULL;
-
- key.ical = ical;
-
- res = bsearch(&key, rrule_param, PARAM_COUNT, sizeof(struct _rrule_param), comp_param);
-
- if (!res)
- ret = ical;
- else
- ret = res->vcal;
-
- return ret;
-}
-
-char *_blank_field(char *field) {
- if (field)
- g_free(field);
-
- return g_strdup("");
-}
-
-
-
-char *_adapt_param(const char *param) {
-
- int i, len;
- GString *ret = g_string_new("");
-
- len = strlen(param);
-
- for (i=0; i < len; i++) {
- switch(param[i]) {
- // evil sperators like ','
- case ',':
- ret = g_string_append_c(ret, ' ');
- break;
- default:
- ret = g_string_append_c(ret,param[i]);
- }
- }
-
- return g_string_free(ret, FALSE);
-}
-
-void _vcal_hook(char **icalattrs, char **vcalattrs, char **icalparams, char **vcalparams) {
-
- if (!strcmp(icalparams[FIELD_FREQ], "MONTHLY")) {
- // Workround for RRULE:MP1 1+ SU 20071003T193000
- if(!strcmp(icalattrs[FIELD_FREQMOD], "BYDAY")) {
- char sign = '+';
- char wday[3];
- int nthday;
-
- g_free(vcalparams[FIELD_FREQ]);
- vcalparams[FIELD_FREQ] = g_strdup("MP");
-
- g_free(vcalparams[FIELD_FREQMOD]);
-
- if (strlen(icalparams[FIELD_FREQMOD]) > 3)
- sscanf(icalparams[FIELD_FREQMOD], "%c%d%c%c", &sign, &nthday, &wday[0], &wday[1]);
- else
- sscanf(icalparams[FIELD_FREQMOD], "%d%c%c", &nthday, &wday[0], &wday[1]);
-
- wday[2] = '\0';
-
- vcalparams[FIELD_FREQMOD] = g_strdup_printf("%d%c %s", nthday, sign, wday);
-
- // Workaround for RRULE:MD1 .......
-// } else if (!strcmp(icalattrs[FIELD_FREQMOD], "BYMONTHDAY")) {
- } else {
- g_free(vcalparams[FIELD_FREQ]);
- vcalparams[FIELD_FREQ] = g_strdup("MD");
- }
- }
-
- if (!strcmp(icalparams[FIELD_FREQ], "YEARLY") && icalparams[FIELD_FREQMOD]) {
- if (!strcmp(icalattrs[FIELD_FREQMOD], "BYYEARDAY")) {
- g_free(vcalparams[FIELD_FREQ]);
- vcalparams[FIELD_FREQ] = g_strdup("YD");
- } else if ((!strcmp(icalattrs[FIELD_FREQMOD], "BYMONTH") && !strcmp(icalattrs[FIELD_FREQMOD2], "BYMONTHDAY"))
- || (!strcmp(icalattrs[FIELD_FREQMOD2], "BYMONTH") && !strcmp(icalattrs[FIELD_FREQMOD], "BYMONTHDAY"))) {
-
- g_free(vcalparams[FIELD_FREQ]);
- vcalparams[FIELD_FREQ] = g_strdup("YM");
-
- vcalattrs[FIELD_FREQMOD] = _blank_field(vcalattrs[FIELD_FREQMOD]);
- vcalattrs[FIELD_FREQMOD2] = _blank_field(vcalattrs[FIELD_FREQMOD2]);
- vcalparams[FIELD_FREQMOD] = _blank_field(vcalparams[FIELD_FREQMOD]);
- vcalparams[FIELD_FREQMOD2] = _blank_field(vcalparams[FIELD_FREQMOD2]);
- }
- }
-
- // Set INTERVAL to 1 if nothing is set and BYMONTHDAY is not used
- if (icalparams[FIELD_INTERVAL] == NULL) {
- vcalparams[FIELD_INTERVAL] = g_strdup("1");
- }
-}
-
-char *conv_ical2vcal_rrule(const char *ical) {
-
- osync_trace(TRACE_ENTRY, "%s(%s)", __func__, ical);
-
- int i;
- const char *pos, *prev;
- size_t len;
- char *icalattrs[NUM_OF_FIELDS] = { NULL };
- char *vcalattrs[NUM_OF_FIELDS] = { NULL };
- char *icalparams[NUM_OF_FIELDS] = { NULL };
- char *vcalparams[NUM_OF_FIELDS] = { NULL };
- struct _rrule_attr *field_attr;
- const char *tmp = NULL;
-
- GString *vcal10 = g_string_new("");
-
- pos = prev = ical;
-
- // FREQ=WEEKLY;INTERVAL=1;BYDAY=TU,FR;UNTIL=20060901T182200Z
- // W1 TU FR 20060901T182200Z
- // *FREQ**INTERVAL* *FREQ-MOD* *COUNT/UNTIL*
-
- while ((pos = strstr(pos, "="))) {
-
- GString *attr = g_string_new("");
- GString *param = g_string_new("");
-
- len = pos - prev;
-
- // not equal is required ... ignoring =
- for (i=0; i < len; i++)
- attr = g_string_append_c(attr, prev[i]);
-
- pos++;
- prev = pos;
-
- pos = strstr(pos, ";");
- if (pos == NULL)
- pos = ical + strlen(ical);
-
- len = pos - prev;
- for (i=0; i < len; i++)
- param = g_string_append_c(param, prev[i]);
-
- field_attr = _parse_rrule_attr(attr->str);
- if (field_attr == NULL)
- goto next;
-
- if (icalattrs[field_attr->field] && field_attr->field == FIELD_FREQMOD)
- field_attr->field += 1;
-
- vcalattrs[field_attr->field] = g_strdup(field_attr->vcal);
- icalattrs[field_attr->field] = g_strdup(attr->str);
-
- tmp = _parse_rrule_param(param->str);
- if (tmp)
- vcalparams[field_attr->field] = _adapt_param(tmp);
- else
- vcalparams[field_attr->field] = g_strdup("");
- icalparams[field_attr->field] = g_strdup(param->str);
-
- g_string_free(attr, TRUE);
- g_string_free(param, TRUE);
-next:
-
- prev = pos + 1;
-
- }
-
- for (i=0; i < NUM_OF_FIELDS; i++) {
- if (!vcalparams[i])
- vcalparams[i] = g_strdup("");
- if (!vcalattrs[i])
- vcalattrs[i] = g_strdup("");
- if (!vcalparams[i])
- vcalparams[i] = g_strdup("");
- if (!icalattrs[i])
- icalattrs[i] = g_strdup("");
- }
-
- _vcal_hook(icalattrs, vcalattrs, icalparams, vcalparams);
-
- for (i=0; i < NUM_OF_FIELDS; i++) {
- // If no end is set append #0 - recurrence for ever
- if (i == FIELD_COUNTUNTIL && strlen(vcalparams[i]) == 0)
- vcalparams[i] = g_strdup(" #0");
-
- if (vcalattrs[i]) {
- vcal10 = g_string_append(vcal10, vcalattrs[i]);
-// printf("(%i) \"%s\"\n", i, vcalattrs[i]);
- g_free(vcalattrs[i]);
- }
-
- if (vcalparams[i]) {
- vcal10 = g_string_append(vcal10, vcalparams[i]);
-// printf("(#%i) \"%s\"\n", i, vcalparams[i]);
- g_free(vcalparams[i]);
- }
-
- if (icalattrs[i])
- g_free(icalattrs[i]);
-
- if (icalparams[i])
- g_free(icalparams[i]);
-
- }
-
- osync_trace(TRACE_EXIT, "%s: %s", __func__, vcal10->str);
- return g_string_free(vcal10, FALSE);
-}
-
-/* vcal 2 ical */
-GList *conv_vcal2ical_rrule(const char *vcal) {
-
- osync_trace(TRACE_ENTRY, "%s(%s)", __func__, vcal);
-
- gchar** blocks = g_strsplit(vcal, " ", 256);
- int offset = 0;
-
- int frequency_state = 0;
- char *frequency = NULL;
- char *frequency_block = NULL;
-
- int interval;
-
- int duration_number = -1;
- char *duration_block;
-
- char* freq_mod = NULL;
-
-
- /* count blocks */
- int counter;
- for(counter=0; blocks[counter]; counter++);
-
- frequency_block = blocks[0];
- duration_block = blocks[counter-1];
-
-
- /* get frequency: only D(1), W(2), MP(3), MD(4), YD(5) and YM(6) is allowed */
- switch (*frequency_block++) {
- case 'D': frequency_state = 1; frequency = "DAILY"; break;
- case 'W': frequency_state = 2; frequency = "WEEKLY"; break;
- case 'M': frequency_state = 0;
- switch (*frequency_block++) {
- case 'P': frequency_state = 3; frequency = "MONTHLY"; break;
- case 'D': frequency_state = 4; frequency = "MONTHLY"; break;
- default:
- osync_trace(TRACE_INTERNAL, "invalid frequency M<X>");
- }
- break;
- case 'Y': frequency_state = 0;
- switch (*frequency_block++) {
- case 'D': frequency_state = 5; frequency = "YEARLY"; break;
- case 'M': frequency_state = 6; frequency = "YEARLY"; break;
- default:
- osync_trace(TRACE_INTERNAL, "invalid frequency Y<X>");
- }
- break;
- default:
- osync_trace(TRACE_INTERNAL, "invalid or missing frequency");
- }
-
-
- /* get interval (integer) */
- char* e;
- interval = strtol(frequency_block, &e, 10);
- if (e == frequency_block) {
- osync_trace(TRACE_INTERNAL, "interval is missing.");
- }
- if (*e != 0) {
- osync_trace(TRACE_INTERNAL, "interval is to long.");
- }
-
-
- /* get frequency modifier if there are more than two blocks */
- if (counter > 2) {
-
- GString *fm_buffer = g_string_new("");
- int i;
-
- /* for each modifier do... */
- for(i=1; i < counter-1; i++) {
-
- int count;
- char sign;
-
- if(fm_buffer->len > 0)
- g_string_append(fm_buffer, ",");
-
- /* check frequency modifier */
- if (sscanf(blocks[i], "%d%c" , &count, &sign) == 2) {
-
- /* we need to convert $COUNT- to -$COUNT -> RFC2445 */
- if (sign == '-')
- count = -count;
-
- g_string_append_printf(fm_buffer, "%d", count);
-
- if (i < counter-2 && !sscanf(blocks[i+1], "%d", &count)) {
-
- g_string_append_printf(fm_buffer, " %s", blocks[i+1]);
- i++;
-
- }
-
- } else {
-
- /* e.g. Day or 'LD' (Last day) */
- g_string_append(fm_buffer, blocks[i]);
-
- }
- }
-
- freq_mod = fm_buffer->str;
- g_string_free(fm_buffer, FALSE);
- }
-
- char *until = NULL;
-
- /* get duration (number OR timestamp, but nothing is required) */
- if (sscanf(duration_block, "#%d", &duration_number) < 1) {
- if (!osync_time_isdate(duration_block)) {
-
- /* Check if this duration_block is a localtime timestamp.
- * If it is not UTC change the offset from 0 to the system UTC offset.
- * vcal doesn't store any TZ information. This means the device have to be
- * in the same Timezone as the host.
- */
- if (!osync_time_isutc(duration_block)) {
- struct tm *ttm = osync_time_vtime2tm(duration_block);
- offset = osync_time_timezone_diff(ttm);
- g_free(ttm);
- }
-
- until = osync_time_vtime2utc(duration_block, offset);
- } else {
- until = g_strdup(duration_block);
- }
- }
-
- g_strfreev(blocks);
-
-
- /* generate new RRULE: D(1), W(2), MP(3), MD(4), YD(5) and YM(6) */
- GList *new_rrule = NULL;
-
- new_rrule = g_list_append(new_rrule, g_strdup_printf("FREQ=%s", frequency));
- new_rrule = g_list_append(new_rrule, g_strdup_printf("INTERVAL=%d", interval));
-
- if (duration_number > 0)
- new_rrule = g_list_append(new_rrule, g_strdup_printf("COUNT=%d", duration_number));
-
- if(freq_mod != NULL) {
- switch(frequency_state) {
- case 2: new_rrule = g_list_append(new_rrule, g_strdup_printf("BYDAY=%s", freq_mod)); break;
- case 3: new_rrule = g_list_append(new_rrule, g_strdup_printf("BYDAY=%s", freq_mod)); break;
- case 4: new_rrule = g_list_append(new_rrule, g_strdup_printf("BYMONTHDAY=%s", freq_mod)); break;
- case 5: new_rrule = g_list_append(new_rrule, g_strdup_printf("BYYEARDAY=%s", freq_mod)); break;
- case 6: new_rrule = g_list_append(new_rrule, g_strdup_printf("BYMONTH=%s", freq_mod)); break;
- default:
- break;
- }
- }
-
- if (until != NULL) {
- new_rrule = g_list_append(new_rrule, g_strdup_printf("UNTIL=%s", until));
- g_free(until);
- }
-
- osync_trace(TRACE_EXIT, "%s", __func__);
-
- return new_rrule;
-}
-
-
-
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