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-rw-r--r--dive.c131
-rw-r--r--save-xml.c24
2 files changed, 130 insertions, 25 deletions
diff --git a/dive.c b/dive.c
index d69aee355..43cafacbf 100644
--- a/dive.c
+++ b/dive.c
@@ -1051,21 +1051,100 @@ static int find_sample_offset(struct divecomputer *a, struct divecomputer *b)
*/
struct dive *try_to_merge(struct dive *a, struct dive *b, gboolean prefer_downloaded)
{
- int offset = 0;
-
/*
* This assumes that the clocks on the dive computers are
* roughly synchronized.
*/
if ((a->when >= b->when + 60) || (a->when <= b->when - 60))
return NULL;
- if (!prefer_downloaded) {
- /* Dive 'a' is 'offset' seconds before dive 'b' */
- offset = find_sample_offset(&a->dc, &b->dc);
- if (offset > 120 || offset < -120)
- return NULL;
+ return merge_dives(a, b, 0, prefer_downloaded);
+}
+
+static void free_events(struct event *ev)
+{
+ while (ev) {
+ struct event *next = ev->next;
+ free(ev);
+ ev = next;
}
- return merge_dives(a, b, offset, prefer_downloaded);
+}
+
+static void free_dc(struct divecomputer *dc)
+{
+ free(dc->sample);
+ free_events(dc->events);
+ free(dc);
+}
+
+static int same_event(struct event *a, struct event *b)
+{
+ if (a->time.seconds != b->time.seconds)
+ return 0;
+ if (a->type != b->type)
+ return 0;
+ if (a->flags != b->flags)
+ return 0;
+ if (a->value != b->value)
+ return 0;
+ return !strcmp(a->name, b->name);
+}
+
+static int same_sample(struct sample *a, struct sample *b)
+{
+ if (a->time.seconds != b->time.seconds)
+ return 0;
+ if (a->depth.mm != b->depth.mm)
+ return 0;
+ if (a->temperature.mkelvin != b->temperature.mkelvin)
+ return 0;
+ if (a->cylinderpressure.mbar != b->cylinderpressure.mbar)
+ return 0;
+ return a->cylinderindex == b->cylinderindex;
+}
+
+static int same_dc(struct divecomputer *a, struct divecomputer *b)
+{
+ int i;
+ struct event *eva, *evb;
+
+ if (a->when && b->when && a->when != b->when)
+ return 0;
+ if (a->samples != b->samples)
+ return 0;
+ for (i = 0; i < a->samples; i++)
+ if (!same_sample(a->sample+i, b->sample+i))
+ return 0;
+ eva = a->events;
+ evb = b->events;
+ while (eva && evb) {
+ if (!same_event(eva, evb))
+ return 0;
+ eva = eva->next;
+ evb = evb->next;
+ }
+ return eva == evb;
+}
+
+static void remove_redundant_dc(struct divecomputer *dc)
+{
+ do {
+ struct divecomputer **p = &dc->next;
+
+ /* Check this dc against all the following ones.. */
+ while (*p) {
+ struct divecomputer *check = *p;
+ if (same_dc(dc, check)) {
+ *p = check->next;
+ check->next = NULL;
+ free_dc(check);
+ continue;
+ }
+ p = &check->next;
+ }
+
+ /* .. and then continue down the chain */
+ dc = dc->next;
+ } while (dc);
}
struct dive *merge_dives(struct dive *a, struct dive *b, int offset, gboolean prefer_downloaded)
@@ -1079,7 +1158,7 @@ struct dive *merge_dives(struct dive *a, struct dive *b, int offset, gboolean pr
else if (b->downloaded)
dl = b;
}
- res->when = a->when;
+ res->when = dl ? dl->when : a->when;
res->selected = a->selected || b->selected;
merge_trip(res, a, b);
MERGE_NONZERO(res, a, b, latitude);
@@ -1110,9 +1189,39 @@ struct dive *merge_dives(struct dive *a, struct dive *b, int offset, gboolean pr
* dive computer data is cleared out.
*/
memset(&dl->dc, 0, sizeof(dl->dc));
+ } else if (offset) {
+ struct divecomputer *a_dc = &a->dc;
+ struct divecomputer *b_dc = &b->dc;
+ struct divecomputer *res_dc = &res->dc;
+
+ /*
+ * FIXME! We should try to match these things up some way,
+ * now we just depend on the merged dives having the same
+ * dive computers in the same order!
+ */
+ for (;;) {
+ merge_events(res_dc, a_dc, b_dc, offset);
+ merge_samples(res_dc, a_dc, b_dc, offset);
+ a_dc = a_dc->next;
+ b_dc = b_dc->next;
+ if (!a_dc || !b_dc)
+ break;
+ res_dc->next = calloc(1, sizeof(*res_dc));
+ res_dc = res_dc->next;
+ if (!res_dc)
+ break;
+ }
} else {
- merge_events(&res->dc, &a->dc, &b->dc, offset);
- merge_samples(&res->dc, &a->dc, &b->dc, offset);
+ struct divecomputer *dc;
+ res->dc = a->dc;
+ memset(&a->dc, 0, sizeof(a->dc));
+ dc = &res->dc;
+ while (dc->next)
+ dc = dc->next;
+ dc->next = calloc(1, sizeof(*dc));
+ *dc->next = b->dc;
+ memset(&b->dc, 0,sizeof(b->dc));
+ remove_redundant_dc(&res->dc);
}
fixup_dive(res);
return res;
diff --git a/save-xml.c b/save-xml.c
index a86cbd23c..af4356840 100644
--- a/save-xml.c
+++ b/save-xml.c
@@ -349,23 +349,19 @@ static void save_trip(FILE *f, dive_trip_t *trip)
static void save_dc(FILE *f, struct dive *dive, struct divecomputer *dc)
{
int i;
- const char *post = "";
-
- if (dc->when || dc->vendor || dc->product) {
- fprintf(f, "<divecomputer");
- if (dc->vendor)
- show_utf8(f, dc->vendor, " vendor='", "'", 1);
- if (dc->product)
- show_utf8(f, dc->product, " product='", "'", 1);
- if (dc->when && dc->when != dive->when)
- show_date(f, dc->when);
- fprintf(f, ">\n");
- post = "</divecomputer>\n";
- }
+
+ fprintf(f, " <divecomputer");
+ if (dc->vendor)
+ show_utf8(f, dc->vendor, " vendor='", "'", 1);
+ if (dc->product)
+ show_utf8(f, dc->product, " product='", "'", 1);
+ if (dc->when && dc->when != dive->when)
+ show_date(f, dc->when);
+ fprintf(f, ">\n");
save_events(f, dc->events);
for (i = 0; i < dc->samples; i++)
save_sample(f, dc->sample+i);
- fprintf(f, post);
+ fprintf(f, " </divecomputer>\n");
}
static void save_dive(FILE *f, struct dive *dive)