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#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include "dive.h"
#define FRACTION(n,x) ((unsigned)(n)/(x)),((unsigned)(n)%(x))
static void show_temperature(FILE *f, temperature_t temp, const char *pre, const char *post)
{
if (temp.mkelvin) {
int mcelsius = temp.mkelvin - 273150;
const char *sign ="";
if (mcelsius < 0) {
sign = "-";
mcelsius = - mcelsius;
}
fprintf(f, "%s%s%u.%03u%s", pre, sign, FRACTION(mcelsius, 1000), post);
}
}
static void save_overview(FILE *f, struct dive *dive)
{
fprintf(f, " <maxdepth>%u.%03u m</maxdepth>\n", FRACTION(dive->maxdepth.mm, 1000));
show_temperature(f, dive->airtemp, " <airtemp>", " C</airtemp>\n");
show_temperature(f, dive->watertemp, " <watertemp>", " C</airtemp>\n");
}
static void save_gasmix(FILE *f, struct dive *dive)
{
int i;
for (i = 0; i < MAX_MIXES; i++) {
gasmix_t *mix = dive->gasmix+i;
int o2 = mix->o2.permille, he = mix->he.permille;
int n2 = 1000 - o2 - he;
if (!mix->o2.permille)
return;
fprintf(f, " <gasmix o2='%u.%u%%'", FRACTION(o2, 10));
if (mix->he.permille)
fprintf(f, " he='%u.%u%%'", FRACTION(he, 10));
fprintf(f, " n2='%u.%u%%'></gasmix>\n", FRACTION(n2, 10));
}
}
static void save_sample(FILE *f, struct sample *sample)
{
fprintf(f, " <sample time='%u:%02u' depth='%u.%03u'",
FRACTION(sample->time.seconds,60),
FRACTION(sample->depth.mm, 1000));
show_temperature(f, sample->temperature, " temp='", " C'");
if (sample->tankpressure.mbar) {
fprintf(f, " pressure='%u.%03u bar'",
FRACTION(sample->tankpressure.mbar, 1000));
}
fprintf(f, "></sample>\n");
}
static void save_dive(FILE *f, struct dive *dive)
{
int i;
struct tm *tm = gmtime(&dive->when);
fprintf(f, "<dive date='%02u.%02u.%u' time='%02u:%02u:%02u'>\n",
tm->tm_mday, tm->tm_mon+1, tm->tm_year+1900,
tm->tm_hour, tm->tm_min, tm->tm_sec);
save_overview(f, dive);
save_gasmix(f, dive);
for (i = 0; i < dive->samples; i++)
save_sample(f, dive->sample+i);
fprintf(f, "</dive>\n");
}
#define VERSION 1
void save_dives(const char *filename)
{
int i;
FILE *f = fopen(filename, "w");
if (!f)
return;
fprintf(f, "<dives>\n<program name='diveclog' version='%d'></program>\n", VERSION);
for (i = 0; i < dive_table.nr; i++)
save_dive(f, get_dive(i));
fprintf(f, "</dives>\n");
}
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