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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 C%s", pre, sign, FRACTION(mcelsius, 1000), post);
}
}
static void show_depth(FILE *f, depth_t depth, const char *pre, const char *post)
{
if (depth.mm)
fprintf(f, "%s%u.%03u m%s", pre, FRACTION(depth.mm, 1000), post);
}
static void show_duration(FILE *f, duration_t duration, const char *pre, const char *post)
{
if (duration.seconds)
fprintf(f, "%s%u:%02u min%s", pre, FRACTION(duration.seconds, 60), post);
}
static void show_pressure(FILE *f, pressure_t pressure, const char *pre, const char *post)
{
if (pressure.mbar)
fprintf(f, "%s%u.%03u bar%s", pre, FRACTION(pressure.mbar, 1000), post);
}
static void save_overview(FILE *f, struct dive *dive)
{
show_depth(f, dive->maxdepth, " <maxdepth>", "</maxdepth>\n");
show_depth(f, dive->meandepth, " <meandepth>", "</meandepth>\n");
show_temperature(f, dive->airtemp, " <airtemp>", "</airtemp>\n");
show_temperature(f, dive->watertemp, " <watertemp>", "</airtemp>\n");
show_duration(f, dive->duration, " <duration>", "</duration>\n");
show_duration(f, dive->surfacetime, " <surfacetime>", "</surfacetime>\n");
show_pressure(f, dive->beginning_pressure, " <cylinderstartpressure>", "</cylinderstartpressure>\n");
show_pressure(f, dive->end_pressure, " <cylinderendpressure>", "</cylinderendpressure>\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 min' depth='%u.%03u m'",
FRACTION(sample->time.seconds,60),
FRACTION(sample->depth.mm, 1000));
show_temperature(f, sample->temperature, " temp='", "'");
show_pressure(f, sample->tankpressure, " pressure='", "'");
if (sample->tankindex)
fprintf(f, " tankindex='%d'", sample->tankindex);
fprintf(f, " />\n");
}
static void save_dive(FILE *f, struct dive *dive)
{
int i;
struct tm *tm = gmtime(&dive->when);
fprintf(f, "<dive date='%04u-%02u-%02u' time='%02u:%02u:%02u'>\n",
tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
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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