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-rw-r--r--core/save-xml.c749
1 files changed, 749 insertions, 0 deletions
diff --git a/core/save-xml.c b/core/save-xml.c
new file mode 100644
index 000000000..2335637e8
--- /dev/null
+++ b/core/save-xml.c
@@ -0,0 +1,749 @@
+// Clang has a bug on zero-initialization of C structs.
+#pragma clang diagnostic ignored "-Wmissing-field-initializers"
+
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "dive.h"
+#include "divelist.h"
+#include "device.h"
+#include "membuffer.h"
+#include "strndup.h"
+#include "git-access.h"
+#include "qthelperfromc.h"
+
+/*
+ * We're outputting utf8 in xml.
+ * We need to quote the characters <, >, &.
+ *
+ * Technically I don't think we'd necessarily need to quote the control
+ * characters, but at least libxml2 doesn't like them. It doesn't even
+ * allow them quoted. So we just skip them and replace them with '?'.
+ *
+ * If we do this for attributes, we need to quote the quotes we use too.
+ */
+static void quote(struct membuffer *b, const char *text, int is_attribute)
+{
+ int is_html = 0;
+ put_quoted(b, text, is_attribute, is_html);
+}
+
+static void show_utf8(struct membuffer *b, const char *text, const char *pre, const char *post, int is_attribute)
+{
+ int len;
+ char *cleaned;
+
+ if (!text)
+ return;
+ /* remove leading and trailing space */
+ /* We need to combine isascii() with isspace(),
+ * because we can only trust isspace() with 7-bit ascii,
+ * on windows for example */
+ while (isascii(*text) && isspace(*text))
+ text++;
+ len = strlen(text);
+ if (!len)
+ return;
+ while (len && isascii(text[len - 1]) && isspace(text[len - 1]))
+ len--;
+ cleaned = strndup(text, len);
+ put_string(b, pre);
+ quote(b, cleaned, is_attribute);
+ put_string(b, post);
+ free(cleaned);
+}
+
+static void save_depths(struct membuffer *b, struct divecomputer *dc)
+{
+ /* What's the point of this dive entry again? */
+ if (!dc->maxdepth.mm && !dc->meandepth.mm)
+ return;
+
+ put_string(b, " <depth");
+ put_depth(b, dc->maxdepth, " max='", " m'");
+ put_depth(b, dc->meandepth, " mean='", " m'");
+ put_string(b, " />\n");
+}
+
+static void save_dive_temperature(struct membuffer *b, struct dive *dive)
+{
+ if (!dive->airtemp.mkelvin && !dive->watertemp.mkelvin)
+ return;
+ if (dive->airtemp.mkelvin == dc_airtemp(&dive->dc) && dive->watertemp.mkelvin == dc_watertemp(&dive->dc))
+ return;
+
+ put_string(b, " <divetemperature");
+ if (dive->airtemp.mkelvin != dc_airtemp(&dive->dc))
+ put_temperature(b, dive->airtemp, " air='", " C'");
+ if (dive->watertemp.mkelvin != dc_watertemp(&dive->dc))
+ put_temperature(b, dive->watertemp, " water='", " C'");
+ put_string(b, "/>\n");
+}
+
+static void save_temperatures(struct membuffer *b, struct divecomputer *dc)
+{
+ if (!dc->airtemp.mkelvin && !dc->watertemp.mkelvin)
+ return;
+ put_string(b, " <temperature");
+ put_temperature(b, dc->airtemp, " air='", " C'");
+ put_temperature(b, dc->watertemp, " water='", " C'");
+ put_string(b, " />\n");
+}
+
+static void save_airpressure(struct membuffer *b, struct divecomputer *dc)
+{
+ if (!dc->surface_pressure.mbar)
+ return;
+ put_string(b, " <surface");
+ put_pressure(b, dc->surface_pressure, " pressure='", " bar'");
+ put_string(b, " />\n");
+}
+
+static void save_salinity(struct membuffer *b, struct divecomputer *dc)
+{
+ /* only save if we have a value that isn't the default of sea water */
+ if (!dc->salinity || dc->salinity == SEAWATER_SALINITY)
+ return;
+ put_string(b, " <water");
+ put_salinity(b, dc->salinity, " salinity='", " g/l'");
+ put_string(b, " />\n");
+}
+
+static void save_overview(struct membuffer *b, struct dive *dive)
+{
+ show_utf8(b, dive->divemaster, " <divemaster>", "</divemaster>\n", 0);
+ show_utf8(b, dive->buddy, " <buddy>", "</buddy>\n", 0);
+ show_utf8(b, dive->notes, " <notes>", "</notes>\n", 0);
+ show_utf8(b, dive->suit, " <suit>", "</suit>\n", 0);
+}
+
+static void put_gasmix(struct membuffer *b, struct gasmix *mix)
+{
+ int o2 = mix->o2.permille;
+ int he = mix->he.permille;
+
+ if (o2) {
+ put_format(b, " o2='%u.%u%%'", FRACTION(o2, 10));
+ if (he)
+ put_format(b, " he='%u.%u%%'", FRACTION(he, 10));
+ }
+}
+
+static void save_cylinder_info(struct membuffer *b, struct dive *dive)
+{
+ int i, nr;
+
+ nr = nr_cylinders(dive);
+
+ for (i = 0; i < nr; i++) {
+ cylinder_t *cylinder = dive->cylinder + i;
+ int volume = cylinder->type.size.mliter;
+ const char *description = cylinder->type.description;
+
+ put_format(b, " <cylinder");
+ if (volume)
+ put_milli(b, " size='", volume, " l'");
+ put_pressure(b, cylinder->type.workingpressure, " workpressure='", " bar'");
+ show_utf8(b, description, " description='", "'", 1);
+ put_gasmix(b, &cylinder->gasmix);
+ put_pressure(b, cylinder->start, " start='", " bar'");
+ put_pressure(b, cylinder->end, " end='", " bar'");
+ if (cylinder->cylinder_use != OC_GAS)
+ show_utf8(b, cylinderuse_text[cylinder->cylinder_use], " use='", "'", 1);
+ put_format(b, " />\n");
+ }
+}
+
+static void save_weightsystem_info(struct membuffer *b, struct dive *dive)
+{
+ int i, nr;
+
+ nr = nr_weightsystems(dive);
+
+ for (i = 0; i < nr; i++) {
+ weightsystem_t *ws = dive->weightsystem + i;
+ int grams = ws->weight.grams;
+ const char *description = ws->description;
+
+ put_format(b, " <weightsystem");
+ put_milli(b, " weight='", grams, " kg'");
+ show_utf8(b, description, " description='", "'", 1);
+ put_format(b, " />\n");
+ }
+}
+
+static void show_index(struct membuffer *b, int value, const char *pre, const char *post)
+{
+ if (value)
+ put_format(b, " %s%d%s", pre, value, post);
+}
+
+static void save_sample(struct membuffer *b, struct sample *sample, struct sample *old)
+{
+ put_format(b, " <sample time='%u:%02u min'", FRACTION(sample->time.seconds, 60));
+ put_milli(b, " depth='", sample->depth.mm, " m'");
+ if (sample->temperature.mkelvin && sample->temperature.mkelvin != old->temperature.mkelvin) {
+ put_temperature(b, sample->temperature, " temp='", " C'");
+ old->temperature = sample->temperature;
+ }
+ put_pressure(b, sample->cylinderpressure, " pressure='", " bar'");
+ put_pressure(b, sample->o2cylinderpressure, " o2pressure='", " bar'");
+
+ /*
+ * We only show sensor information for samples with pressure, and only if it
+ * changed from the previous sensor we showed.
+ */
+ if (sample->cylinderpressure.mbar && sample->sensor != old->sensor) {
+ put_format(b, " sensor='%d'", sample->sensor);
+ old->sensor = sample->sensor;
+ }
+
+ /* the deco/ndl values are stored whenever they change */
+ if (sample->ndl.seconds != old->ndl.seconds) {
+ put_format(b, " ndl='%u:%02u min'", FRACTION(sample->ndl.seconds, 60));
+ old->ndl = sample->ndl;
+ }
+ if (sample->tts.seconds != old->tts.seconds) {
+ put_format(b, " tts='%u:%02u min'", FRACTION(sample->tts.seconds, 60));
+ old->tts = sample->tts;
+ }
+ if (sample->rbt.seconds)
+ put_format(b, " rbt='%u:%02u min'", FRACTION(sample->rbt.seconds, 60));
+ if (sample->in_deco != old->in_deco) {
+ put_format(b, " in_deco='%d'", sample->in_deco ? 1 : 0);
+ old->in_deco = sample->in_deco;
+ }
+ if (sample->stoptime.seconds != old->stoptime.seconds) {
+ put_format(b, " stoptime='%u:%02u min'", FRACTION(sample->stoptime.seconds, 60));
+ old->stoptime = sample->stoptime;
+ }
+
+ if (sample->stopdepth.mm != old->stopdepth.mm) {
+ put_milli(b, " stopdepth='", sample->stopdepth.mm, " m'");
+ old->stopdepth = sample->stopdepth;
+ }
+
+ if (sample->cns != old->cns) {
+ put_format(b, " cns='%u%%'", sample->cns);
+ old->cns = sample->cns;
+ }
+
+ if ((sample->o2sensor[0].mbar) && (sample->o2sensor[0].mbar != old->o2sensor[0].mbar)) {
+ put_milli(b, " sensor1='", sample->o2sensor[0].mbar, " bar'");
+ old->o2sensor[0] = sample->o2sensor[0];
+ }
+
+ if ((sample->o2sensor[1].mbar) && (sample->o2sensor[1].mbar != old->o2sensor[1].mbar)) {
+ put_milli(b, " sensor2='", sample->o2sensor[1].mbar, " bar'");
+ old->o2sensor[1] = sample->o2sensor[1];
+ }
+
+ if ((sample->o2sensor[2].mbar) && (sample->o2sensor[2].mbar != old->o2sensor[2].mbar)) {
+ put_milli(b, " sensor3='", sample->o2sensor[2].mbar, " bar'");
+ old->o2sensor[2] = sample->o2sensor[2];
+ }
+
+ if (sample->setpoint.mbar != old->setpoint.mbar) {
+ put_milli(b, " po2='", sample->setpoint.mbar, " bar'");
+ old->setpoint = sample->setpoint;
+ }
+ show_index(b, sample->heartbeat, "heartbeat='", "'");
+ show_index(b, sample->bearing.degrees, "bearing='", "'");
+ put_format(b, " />\n");
+}
+
+static void save_one_event(struct membuffer *b, struct event *ev)
+{
+ put_format(b, " <event time='%d:%02d min'", FRACTION(ev->time.seconds, 60));
+ show_index(b, ev->type, "type='", "'");
+ show_index(b, ev->flags, "flags='", "'");
+ show_index(b, ev->value, "value='", "'");
+ show_utf8(b, ev->name, " name='", "'", 1);
+ if (event_is_gaschange(ev)) {
+ if (ev->gas.index >= 0) {
+ show_index(b, ev->gas.index, "cylinder='", "'");
+ put_gasmix(b, &ev->gas.mix);
+ } else if (!event_gasmix_redundant(ev))
+ put_gasmix(b, &ev->gas.mix);
+ }
+ put_format(b, " />\n");
+}
+
+
+static void save_events(struct membuffer *b, struct event *ev)
+{
+ while (ev) {
+ save_one_event(b, ev);
+ ev = ev->next;
+ }
+}
+
+static void save_tags(struct membuffer *b, struct tag_entry *entry)
+{
+ if (entry) {
+ const char *sep = " tags='";
+ do {
+ struct divetag *tag = entry->tag;
+ put_string(b, sep);
+ /* If the tag has been translated, write the source to the xml file */
+ quote(b, tag->source ?: tag->name, 1);
+ sep = ", ";
+ } while ((entry = entry->next) != NULL);
+ put_string(b, "'");
+ }
+}
+
+static void save_extra_data(struct membuffer *b, struct extra_data *ed)
+{
+ while (ed) {
+ if (ed->key && ed->value) {
+ put_string(b, " <extradata");
+ show_utf8(b, ed->key, " key='", "'", 1);
+ show_utf8(b, ed->value, " value='", "'", 1);
+ put_string(b, " />\n");
+ }
+ ed = ed->next;
+ }
+}
+
+static void show_date(struct membuffer *b, timestamp_t when)
+{
+ struct tm tm;
+
+ utc_mkdate(when, &tm);
+
+ put_format(b, " date='%04u-%02u-%02u'",
+ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
+ put_format(b, " time='%02u:%02u:%02u'",
+ tm.tm_hour, tm.tm_min, tm.tm_sec);
+}
+
+static void save_samples(struct membuffer *b, int nr, struct sample *s)
+{
+ struct sample dummy = {};
+
+ while (--nr >= 0) {
+ save_sample(b, s, &dummy);
+ s++;
+ }
+}
+
+static void save_dc(struct membuffer *b, struct dive *dive, struct divecomputer *dc)
+{
+ put_format(b, " <divecomputer");
+ show_utf8(b, dc->model, " model='", "'", 1);
+ if (dc->deviceid)
+ put_format(b, " deviceid='%08x'", dc->deviceid);
+ if (dc->diveid)
+ put_format(b, " diveid='%08x'", dc->diveid);
+ if (dc->when && dc->when != dive->when)
+ show_date(b, dc->when);
+ if (dc->duration.seconds && dc->duration.seconds != dive->dc.duration.seconds)
+ put_duration(b, dc->duration, " duration='", " min'");
+ if (dc->divemode != OC) {
+ for (enum dive_comp_type i = 0; i < NUM_DC_TYPE; i++)
+ if (dc->divemode == i)
+ show_utf8(b, divemode_text[i], " dctype='", "'", 1);
+ if (dc->no_o2sensors)
+ put_format(b," no_o2sensors='%d'", dc->no_o2sensors);
+ }
+ put_format(b, ">\n");
+ save_depths(b, dc);
+ save_temperatures(b, dc);
+ save_airpressure(b, dc);
+ save_salinity(b, dc);
+ put_duration(b, dc->surfacetime, " <surfacetime>", " min</surfacetime>\n");
+ save_extra_data(b, dc->extra_data);
+ save_events(b, dc->events);
+ save_samples(b, dc->samples, dc->sample);
+
+ put_format(b, " </divecomputer>\n");
+}
+
+static void save_picture(struct membuffer *b, struct picture *pic)
+{
+ put_string(b, " <picture filename='");
+ put_quoted(b, pic->filename, true, false);
+ put_string(b, "'");
+ if (pic->offset.seconds) {
+ int offset = pic->offset.seconds;
+ char sign = '+';
+ if (offset < 0) {
+ sign = '-';
+ offset = -offset;
+ }
+ put_format(b, " offset='%c%u:%02u min'", sign, FRACTION(offset, 60));
+ }
+ if (pic->latitude.udeg || pic->longitude.udeg) {
+ put_degrees(b, pic->latitude, " gps='", " ");
+ put_degrees(b, pic->longitude, "", "'");
+ }
+ if (hashstring(pic->filename))
+ put_format(b, " hash='%s'", hashstring(pic->filename));
+
+ put_string(b, "/>\n");
+}
+
+void save_one_dive_to_mb(struct membuffer *b, struct dive *dive)
+{
+ struct divecomputer *dc;
+
+ put_string(b, "<dive");
+ if (dive->number)
+ put_format(b, " number='%d'", dive->number);
+ if (dive->tripflag == NO_TRIP)
+ put_format(b, " tripflag='NOTRIP'");
+ if (dive->rating)
+ put_format(b, " rating='%d'", dive->rating);
+ if (dive->visibility)
+ put_format(b, " visibility='%d'", dive->visibility);
+ save_tags(b, dive->tag_list);
+ if (dive->dive_site_uuid) {
+ if (get_dive_site_by_uuid(dive->dive_site_uuid) != NULL)
+ put_format(b, " divesiteid='%8x'", dive->dive_site_uuid);
+ else if (verbose)
+ fprintf(stderr, "removed reference to non-existant dive site with uuid %08x\n", dive->dive_site_uuid);
+ }
+ show_date(b, dive->when);
+ put_format(b, " duration='%u:%02u min'>\n",
+ FRACTION(dive->dc.duration.seconds, 60));
+ save_overview(b, dive);
+ save_cylinder_info(b, dive);
+ save_weightsystem_info(b, dive);
+ save_dive_temperature(b, dive);
+ /* Save the dive computer data */
+ for_each_dc(dive, dc)
+ save_dc(b, dive, dc);
+ FOR_EACH_PICTURE(dive)
+ save_picture(b, picture);
+ put_format(b, "</dive>\n");
+}
+
+int save_dive(FILE *f, struct dive *dive)
+{
+ struct membuffer buf = { 0 };
+
+ save_one_dive_to_mb(&buf, dive);
+ flush_buffer(&buf, f);
+ /* Error handling? */
+ return 0;
+}
+
+static void save_trip(struct membuffer *b, dive_trip_t *trip)
+{
+ int i;
+ struct dive *dive;
+
+ put_format(b, "<trip");
+ show_date(b, trip->when);
+ show_utf8(b, trip->location, " location=\'", "\'", 1);
+ put_format(b, ">\n");
+ show_utf8(b, trip->notes, "<notes>", "</notes>\n", 0);
+
+ /*
+ * Incredibly cheesy: we want to save the dives sorted, and they
+ * are sorted in the dive array.. So instead of using the dive
+ * list in the trip, we just traverse the global dive array and
+ * check the divetrip pointer..
+ */
+ for_each_dive(i, dive) {
+ if (dive->divetrip == trip)
+ save_one_dive_to_mb(b, dive);
+ }
+
+ put_format(b, "</trip>\n");
+}
+
+static void save_one_device(void *_f, const char *model, uint32_t deviceid,
+ const char *nickname, const char *serial_nr, const char *firmware)
+{
+ struct membuffer *b = _f;
+
+ /* Nicknames that are empty or the same as the device model are not interesting */
+ if (nickname) {
+ if (!*nickname || !strcmp(model, nickname))
+ nickname = NULL;
+ }
+
+ /* Serial numbers that are empty are not interesting */
+ if (serial_nr && !*serial_nr)
+ serial_nr = NULL;
+
+ /* Firmware strings that are empty are not interesting */
+ if (firmware && !*firmware)
+ firmware = NULL;
+
+ /* Do we have anything interesting about this dive computer to save? */
+ if (!serial_nr && !nickname && !firmware)
+ return;
+
+ put_format(b, "<divecomputerid");
+ show_utf8(b, model, " model='", "'", 1);
+ put_format(b, " deviceid='%08x'", deviceid);
+ show_utf8(b, serial_nr, " serial='", "'", 1);
+ show_utf8(b, firmware, " firmware='", "'", 1);
+ show_utf8(b, nickname, " nickname='", "'", 1);
+ put_format(b, "/>\n");
+}
+
+int save_dives(const char *filename)
+{
+ return save_dives_logic(filename, false);
+}
+
+void save_dives_buffer(struct membuffer *b, const bool select_only)
+{
+ int i;
+ struct dive *dive;
+ dive_trip_t *trip;
+
+ put_format(b, "<divelog program='subsurface' version='%d'>\n<settings>\n", DATAFORMAT_VERSION);
+
+ if (prefs.save_userid_local)
+ put_format(b, " <userid>%30s</userid>\n", prefs.userid);
+
+ /* save the dive computer nicknames, if any */
+ call_for_each_dc(b, save_one_device, select_only);
+ if (autogroup)
+ put_format(b, " <autogroup state='1' />\n");
+ put_format(b, "</settings>\n");
+
+ /* save the dive sites - to make the output consistent let's sort the table, first */
+ dive_site_table_sort();
+ put_format(b, "<divesites>\n");
+ for (i = 0; i < dive_site_table.nr; i++) {
+ int j;
+ struct dive *d;
+ struct dive_site *ds = get_dive_site(i);
+ if (dive_site_is_empty(ds)) {
+ for_each_dive(j, d) {
+ if (d->dive_site_uuid == ds->uuid)
+ d->dive_site_uuid = 0;
+ }
+ delete_dive_site(ds->uuid);
+ i--; // since we just deleted that one
+ continue;
+ } else if (ds->name &&
+ (strncmp(ds->name, "Auto-created dive", 17) == 0 ||
+ strncmp(ds->name, "New Dive", 8) == 0)) {
+ // these are the two default names for sites from
+ // the web service; if the site isn't used in any
+ // dive (really? you didn't rename it?), delete it
+ if (!is_dive_site_used(ds->uuid, false)) {
+ if (verbose)
+ fprintf(stderr, "Deleted unused auto-created dive site %s\n", ds->name);
+ delete_dive_site(ds->uuid);
+ i--; // since we just deleted that one
+ continue;
+ }
+ }
+ if (select_only && !is_dive_site_used(ds->uuid, true))
+ continue;
+
+ put_format(b, "<site uuid='%8x'", ds->uuid);
+ show_utf8(b, ds->name, " name='", "'", 1);
+ if (ds->latitude.udeg || ds->longitude.udeg) {
+ put_degrees(b, ds->latitude, " gps='", " ");
+ put_degrees(b, ds->longitude, "", "'");
+ }
+ show_utf8(b, ds->description, " description='", "'", 1);
+ put_format(b, ">\n");
+ show_utf8(b, ds->notes, " <notes>", " </notes>\n", 0);
+ if (ds->taxonomy.nr) {
+ for (int j = 0; j < ds->taxonomy.nr; j++) {
+ struct taxonomy *t = &ds->taxonomy.category[j];
+ if (t->category != TC_NONE && t->value) {
+ put_format(b, " <geo cat='%d'", t->category);
+ put_format(b, " origin='%d'", t->origin);
+ show_utf8(b, t->value, " value='", "'/>\n", 1);
+ }
+ }
+ }
+ put_format(b, "</site>\n");
+ }
+ put_format(b, "</divesites>\n<dives>\n");
+ for (trip = dive_trip_list; trip != NULL; trip = trip->next)
+ trip->index = 0;
+
+ /* save the dives */
+ for_each_dive(i, dive) {
+ if (select_only) {
+
+ if (!dive->selected)
+ continue;
+ save_one_dive_to_mb(b, dive);
+
+ } else {
+ trip = dive->divetrip;
+
+ /* Bare dive without a trip? */
+ if (!trip) {
+ save_one_dive_to_mb(b, dive);
+ continue;
+ }
+
+ /* Have we already seen this trip (and thus saved this dive?) */
+ if (trip->index)
+ continue;
+
+ /* We haven't seen this trip before - save it and all dives */
+ trip->index = 1;
+ save_trip(b, trip);
+ }
+ }
+ put_format(b, "</dives>\n</divelog>\n");
+}
+
+static void save_backup(const char *name, const char *ext, const char *new_ext)
+{
+ int len = strlen(name);
+ int a = strlen(ext), b = strlen(new_ext);
+ char *newname;
+
+ /* len up to and including the final '.' */
+ len -= a;
+ if (len <= 1)
+ return;
+ if (name[len - 1] != '.')
+ return;
+ /* msvc doesn't have strncasecmp, has _strnicmp instead - crazy */
+ if (strncasecmp(name + len, ext, a))
+ return;
+
+ newname = malloc(len + b + 1);
+ if (!newname)
+ return;
+
+ memcpy(newname, name, len);
+ memcpy(newname + len, new_ext, b + 1);
+
+ /*
+ * Ignore errors. Maybe we can't create the backup file,
+ * maybe no old file existed. Regardless, we'll write the
+ * new file.
+ */
+ (void) subsurface_rename(name, newname);
+ free(newname);
+}
+
+static void try_to_backup(const char *filename)
+{
+ char extension[][5] = { "xml", "ssrf", "" };
+ int i = 0;
+ int flen = strlen(filename);
+
+ /* Maybe we might want to make this configurable? */
+ while (extension[i][0] != '\0') {
+ int elen = strlen(extension[i]);
+ if (strcasecmp(filename + flen - elen, extension[i]) == 0) {
+ if (last_xml_version < DATAFORMAT_VERSION) {
+ int se_len = strlen(extension[i]) + 5;
+ char *special_ext = malloc(se_len);
+ snprintf(special_ext, se_len, "%s.v%d", extension[i], last_xml_version);
+ save_backup(filename, extension[i], special_ext);
+ free(special_ext);
+ } else {
+ save_backup(filename, extension[i], "bak");
+ }
+ break;
+ }
+ i++;
+ }
+}
+
+int save_dives_logic(const char *filename, const bool select_only)
+{
+ struct membuffer buf = { 0 };
+ FILE *f;
+ void *git;
+ const char *branch, *remote;
+ int error;
+
+ git = is_git_repository(filename, &branch, &remote, false);
+ if (git)
+ return git_save_dives(git, branch, remote, select_only);
+
+ save_dives_buffer(&buf, select_only);
+
+ if (same_string(filename, "-")) {
+ f = stdout;
+ } else {
+ try_to_backup(filename);
+ error = -1;
+ f = subsurface_fopen(filename, "w");
+ }
+ if (f) {
+ flush_buffer(&buf, f);
+ error = fclose(f);
+ }
+ if (error)
+ report_error("Save failed (%s)", strerror(errno));
+
+ free_buffer(&buf);
+ return error;
+}
+
+int export_dives_xslt(const char *filename, const bool selected, const int units, const char *export_xslt)
+{
+ FILE *f;
+ struct membuffer buf = { 0 };
+ xmlDoc *doc;
+ xsltStylesheetPtr xslt = NULL;
+ xmlDoc *transformed;
+ int res = 0;
+ char *params[3];
+ int pnr = 0;
+ char unitstr[3];
+
+ if (verbose)
+ fprintf(stderr, "export_dives_xslt with stylesheet %s\n", export_xslt);
+
+ if (!filename)
+ return report_error("No filename for export");
+
+ /* Save XML to file and convert it into a memory buffer */
+ save_dives_buffer(&buf, selected);
+
+ /*
+ * Parse the memory buffer into XML document and
+ * transform it to selected export format, finally dumping
+ * the XML into a character buffer.
+ */
+ doc = xmlReadMemory(buf.buffer, buf.len, "divelog", NULL, 0);
+ free_buffer(&buf);
+ if (!doc)
+ return report_error("Failed to read XML memory");
+
+ /* Convert to export format */
+ xslt = get_stylesheet(export_xslt);
+ if (!xslt)
+ return report_error("Failed to open export conversion stylesheet");
+
+ snprintf(unitstr, 3, "%d", units);
+ params[pnr++] = "units";
+ params[pnr++] = unitstr;
+ params[pnr++] = NULL;
+
+ transformed = xsltApplyStylesheet(xslt, doc, (const char **)params);
+ xmlFreeDoc(doc);
+
+ /* Write the transformed export to file */
+ f = subsurface_fopen(filename, "w");
+ if (f) {
+ xsltSaveResultToFile(f, transformed, xslt);
+ fclose(f);
+ /* Check write errors? */
+ } else {
+ res = report_error("Failed to open %s for writing (%s)", filename, strerror(errno));
+ }
+ xsltFreeStylesheet(xslt);
+ xmlFreeDoc(transformed);
+
+ return res;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-28 14:36:51 +0000