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core: use std::vector<> to store divecomputer samples

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This is a hairy one, because the sample code is rather tricky.

There was a pattern of looping through pairs of adjacent samples,
for interpolation purposes. Add an range adapter to generalize
such loops.

Removes the finish_sample() function: The code would call
prepare_sample() to start parsing of samples and then
finish_sample() to actuall add it. I.e. a kind of commit().

Since, with one exception, all users of prepare_sample()
called finish_sample() in all code paths, we might just add
the sample in the first place. The exception was sample_end()
in parse.cpp. This brings a small change: samples are now
added, even if they could only be parsed partially. I doubt
that this makes any difference, since it will only happen
for broken divelogs anyway.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-05-19 12:38:38 +02:00 • committed by bstoeger
parent bc761344d4
commit f120fecccb
28 changed files with 588 additions and 715 deletions
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9
core/save-html.cpp
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@ -178,19 +178,16 @@ static void put_cylinder_HTML(struct membuffer *b, struct dive *dive)
static void put_HTML_samples(struct membuffer *b, struct dive *dive)
{
int i;
put_format(b, "\"maxdepth\":%d,", dive->dc.maxdepth.mm);
put_format(b, "\"duration\":%d,", dive->dc.duration.seconds);
struct sample *s = dive->dc.sample;
if (!dive->dc.samples)
if (dive->dc.samples.empty())
return;
const char *separator = "\"samples\":[";
for (i = 0; i < dive->dc.samples; i++) {
put_format(b, "%s[%d,%d,%d,%d]", separator, s->time.seconds, s->depth.mm, s->pressure[0].mbar, s->temperature.mkelvin);
for (auto &s: dive->dc.samples) {
put_format(b, "%s[%d,%d,%d,%d]", separator, s.time.seconds, s.depth.mm, s.pressure[0].mbar, s.temperature.mkelvin);
separator = ", ";
s++;
}
put_string(b, "],");
}