X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=parse-xml.c;h=cc2d0076d42f36491d6ce6809a12056a68067d8a;hb=c544226334ec1bfaac1c8d649722bb17728606e1;hp=50f83f68bf8845977739e0d2db821f58d1c2bd1f;hpb=d9ca1b6fbf42b15b597e51f018fdb5df65ee2c29;p=ext%2Fsubsurface.git

diff --git a/parse-xml.c b/parse-xml.c
index 50f83f6..cc2d007 100644
--- a/parse-xml.c
+++ b/parse-xml.c
@@ -3,11 +3,19 @@
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#define __USE_XOPEN
 #include <time.h>
 #include <libxml/parser.h>
 #include <libxml/tree.h>
+#ifdef XSLT
+#include <libxslt/transform.h>
+#endif
 
 #include "dive.h"
+#include "uemis.h"
 
 int verbose;
 
@@ -90,21 +98,20 @@ const struct units IMPERIAL_units = {
 /*
  * Dive info as it is being built up..
  */
-static struct dive *dive;
-static struct sample *sample;
+static struct dive *cur_dive;
+static struct sample *cur_sample;
 static struct {
 	int active;
 	duration_t time;
 	int type, flags, value;
 	const char *name;
-} event;
-static struct tm tm;
-static int cylinder_index;
+} cur_event;
+static struct tm cur_tm;
+static int cur_cylinder_index;
 
 static enum import_source {
 	UNKNOWN,
 	LIBDIVECOMPUTER,
-	SUUNTO,
 	UEMIS,
 	DIVINGLOG,
 	UDDF,
@@ -146,22 +153,22 @@ static void divedate(char *buffer, void *_when)
 	time_t *when = _when;
 	int success = 0;
 
-	success = tm.tm_sec | tm.tm_min | tm.tm_hour;
+	success = cur_tm.tm_sec | cur_tm.tm_min | cur_tm.tm_hour;
 	if (sscanf(buffer, "%d.%d.%d", &d, &m, &y) == 3) {
-		tm.tm_year = y;
-		tm.tm_mon = m-1;
-		tm.tm_mday = d;
+		cur_tm.tm_year = y;
+		cur_tm.tm_mon = m-1;
+		cur_tm.tm_mday = d;
 	} else if (sscanf(buffer, "%d-%d-%d", &y, &m, &d) == 3) {
-		tm.tm_year = y;
-		tm.tm_mon = m-1;
-		tm.tm_mday = d;
+		cur_tm.tm_year = y;
+		cur_tm.tm_mon = m-1;
+		cur_tm.tm_mday = d;
 	} else {
 		fprintf(stderr, "Unable to parse date '%s'\n", buffer);
 		success = 0;
 	}
 
 	if (success)
-		*when = utc_mktime(&tm);
+		*when = utc_mktime(&cur_tm);
 
 	free(buffer);
 }
@@ -172,11 +179,11 @@ static void divetime(char *buffer, void *_when)
 	time_t *when = _when;
 
 	if (sscanf(buffer, "%d:%d:%d", &h, &m, &s) >= 2) {
-		tm.tm_hour = h;
-		tm.tm_min = m;
-		tm.tm_sec = s;
-		if (tm.tm_year)
-			*when = utc_mktime(&tm);
+		cur_tm.tm_hour = h;
+		cur_tm.tm_min = m;
+		cur_tm.tm_sec = s;
+		if (cur_tm.tm_year)
+			*when = utc_mktime(&cur_tm);
 	}
 	free(buffer);
 }
@@ -190,13 +197,13 @@ static void divedatetime(char *buffer, void *_when)
 
 	if (sscanf(buffer, "%d-%d-%d %d:%d:%d",
 		&y, &m, &d, &hr, &min, &sec) == 6) {
-		tm.tm_year = y;
-		tm.tm_mon = m-1;
-		tm.tm_mday = d;
-		tm.tm_hour = hr;
-		tm.tm_min = min;
-		tm.tm_sec = sec;
-		*when = utc_mktime(&tm);
+		cur_tm.tm_year = y;
+		cur_tm.tm_mon = m-1;
+		cur_tm.tm_mday = d;
+		cur_tm.tm_hour = hr;
+		cur_tm.tm_min = min;
+		cur_tm.tm_sec = sec;
+		*when = utc_mktime(&cur_tm);
 	}
 	free(buffer);
 }
@@ -371,7 +378,7 @@ static void gasmix(char *buffer, void *_fraction)
 	/* libdivecomputer does negative percentages. */
 	if (*buffer == '-')
 		return;
-	if (cylinder_index < MAX_CYLINDERS)
+	if (cur_cylinder_index < MAX_CYLINDERS)
 		percent(buffer, _fraction);
 }
 
@@ -423,7 +430,7 @@ static void water_pressure(char *buffer, void *_depth)
 		if (!val.fp)
 			break;
 		/* cbar to atm */
-		atm = (val.fp / 100) / 1.01325;
+		atm = bar_to_atm(val.fp * 10);
 		/*
 		 * atm to cm. Why not mm? The precision just isn't
 		 * there.
@@ -568,8 +575,8 @@ static void eventtime(char *buffer, void *_duration)
 {
 	duration_t *duration = _duration;
 	sampletime(buffer, duration);
-	if (sample)
-		duration->seconds += sample->time.seconds;
+	if (cur_sample)
+		duration->seconds += cur_sample->time.seconds;
 }
 
 static void try_to_fill_event(const char *name, char *buf)
@@ -577,15 +584,17 @@ static void try_to_fill_event(const char *name, char *buf)
 	int len = strlen(name);
 
 	start_match("event", name, buf);
-	if (MATCH(".event", utf8_string, &event.name))
+	if (MATCH(".event", utf8_string, &cur_event.name))
+		return;
+	if (MATCH(".name", utf8_string, &cur_event.name))
 		return;
-	if (MATCH(".name", utf8_string, &event.name))
+	if (MATCH(".time", eventtime, &cur_event.time))
 		return;
-	if (MATCH(".time", eventtime, &event.time))
+	if (MATCH(".type", get_index, &cur_event.type))
 		return;
-	if (MATCH(".type", get_index, &event.type))
+	if (MATCH(".flags", get_index, &cur_event.flags))
 		return;
-	if (MATCH(".flags", get_index, &event.flags))
+	if (MATCH(".value", get_index, &cur_event.value))
 		return;
 	nonmatch("event", name, buf);
 }
@@ -600,6 +609,8 @@ static void try_to_fill_sample(struct sample *sample, const char *name, char *bu
 		return;
 	if (MATCH(".sample.cylpress", pressure, &sample->cylinderpressure))
 		return;
+	if (MATCH(".sample.cylinderindex", get_index, &sample->cylinderindex))
+		return;
 	if (MATCH(".sample.depth", depth, &sample->depth))
 		return;
 	if (MATCH(".sample.temp", temperature, &sample->temperature))
@@ -634,24 +645,6 @@ static void try_to_fill_sample(struct sample *sample, const char *name, char *bu
 	nonmatch("sample", name, buf);
 }
 
-/*
- * Crazy suunto xml. Look at how those o2/he things match up.
- */
-static int suunto_dive_match(struct dive *dive, const char *name, int len, char *buf)
-{
-	return	MATCH(".o2pct", percent, &dive->cylinder[0].gasmix.o2) ||
-		MATCH(".hepct_0", percent, &dive->cylinder[0].gasmix.he) ||
-		MATCH(".o2pct_2", percent, &dive->cylinder[1].gasmix.o2) ||
-		MATCH(".hepct_1", percent, &dive->cylinder[1].gasmix.he) ||
-		MATCH(".o2pct_3", percent, &dive->cylinder[2].gasmix.o2) ||
-		MATCH(".hepct_2", percent, &dive->cylinder[2].gasmix.he) ||
-		MATCH(".o2pct_4", percent, &dive->cylinder[3].gasmix.o2) ||
-		MATCH(".hepct_3", percent, &dive->cylinder[3].gasmix.he) ||
-		MATCH(".cylindersize", cylindersize, &dive->cylinder[0].type.size) ||
-		MATCH(".cylinderworkpressure", pressure, &dive->cylinder[0].type.workingpressure) ||
-		0;
-}
-
 static const char *country, *city;
 
 static void divinglog_place(char *place, void *_location)
@@ -676,8 +669,10 @@ static void divinglog_place(char *place, void *_location)
 	country = NULL;
 }
 
-static int divinglog_dive_match(struct dive *dive, const char *name, int len, char *buf)
+static int divinglog_dive_match(struct dive **divep, const char *name, int len, char *buf)
 {
+	struct dive *dive = *divep;
+
 	return	MATCH(".divedate", divedate, &dive->when) ||
 		MATCH(".entrytime", divetime, &dive->when) ||
 		MATCH(".depth", depth, &dive->maxdepth) ||
@@ -768,6 +763,27 @@ static void uemis_time_zone(char *buffer, void *_when)
 #endif
 }
 
+static void uemis_ts(char *buffer, void *_when)
+{
+	struct tm tm;
+	time_t *when = _when;
+
+	memset(&tm, 0, sizeof(tm));
+	sscanf(buffer,"%d-%d-%dT%d:%d:%d",
+		&tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+		&tm.tm_hour, &tm.tm_min, &tm.tm_sec);
+	tm.tm_mon  -= 1;
+	tm.tm_year -= 1900;
+	*when = utc_mktime(&tm);
+
+}
+
+static void uemis_duration(char *buffer, void *_duration)
+{
+	duration_t *duration = _duration;
+	duration->seconds = atof(buffer) * 60 + 0.5;
+}
+
 /* 0 - air ; 1 - nitrox1 ; 2 - nitrox2 ; 3 = nitrox3 */
 static int uemis_gas_template;
 
@@ -790,7 +806,7 @@ static int uemis_gas_template;
 static int uemis_cylinder_index(void *_cylinder)
 {
 	cylinder_t *cylinder = _cylinder;
-	unsigned int index = cylinder - dive->cylinder;
+	unsigned int index = cylinder - cur_dive->cylinder;
 
 	if (index > 6) {
 		fprintf(stderr, "Uemis cylinder pointer calculations broken\n");
@@ -822,18 +838,20 @@ static void uemis_cylindersize(char *buffer, void *_cylinder)
 {
 	int index = uemis_cylinder_index(_cylinder);
 	if (index >= 0)
-		cylindersize(buffer, &dive->cylinder[index].type.size);
+		cylindersize(buffer, &cur_dive->cylinder[index].type.size);
 }
 
 static void uemis_percent(char *buffer, void *_cylinder)
 {
 	int index = uemis_cylinder_index(_cylinder);
 	if (index >= 0)
-		percent(buffer, &dive->cylinder[index].gasmix.o2);
+		percent(buffer, &cur_dive->cylinder[index].gasmix.o2);
 }
 
-static int uemis_dive_match(struct dive *dive, const char *name, int len, char *buf)
+static int uemis_dive_match(struct dive **divep, const char *name, int len, char *buf)
 {
+	struct dive *dive = *divep;
+
 	return	MATCH(".units.length", uemis_length_unit, &input_units) ||
 		MATCH(".units.volume", uemis_volume_unit, &input_units) ||
 		MATCH(".units.pressure", uemis_pressure_unit, &input_units) ||
@@ -859,6 +877,9 @@ static int uemis_dive_match(struct dive *dive, const char *name, int len, char *
 		MATCH(".nitrox_3.deco_tank.oxygen", uemis_percent, dive->cylinder + 5) ||
 		MATCH(".nitrox_3.travel_tank.size", uemis_cylindersize, dive->cylinder + 6) ||
 		MATCH(".nitrox_3.travel_tank.oxygen", uemis_percent, dive->cylinder + 6) ||
+		MATCH(".dive.val.float", uemis_duration, &dive->duration) ||
+		MATCH(".dive.val.ts", uemis_ts, &dive->when) ||
+		MATCH(".dive.val.bin", uemis_parse_divelog_binary, divep) ||
 		0;
 }
 
@@ -906,8 +927,10 @@ success:
 	free(buffer);
 }
 
-static int uddf_dive_match(struct dive *dive, const char *name, int len, char *buf)
+static int uddf_dive_match(struct dive **divep, const char *name, int len, char *buf)
 {
+	struct dive *dive = *divep;
+
 	return	MATCH(".datetime", uddf_datetime, &dive->when) ||
 		MATCH(".diveduration", duration, &dive->duration) ||
 		MATCH(".greatestdepth", depth, &dive->maxdepth) ||
@@ -929,30 +952,25 @@ static void gps_location(char *buffer, void *_dive)
 }
 
 /* We're in the top-level dive xml. Try to convert whatever value to a dive value */
-static void try_to_fill_dive(struct dive *dive, const char *name, char *buf)
+static void try_to_fill_dive(struct dive **divep, const char *name, char *buf)
 {
 	int len = strlen(name);
 
 	start_match("dive", name, buf);
 
 	switch (import_source) {
-	case SUUNTO:
-		if (suunto_dive_match(dive, name, len, buf))
-			return;
-		break;
-
 	case UEMIS:
-		if (uemis_dive_match(dive, name, len, buf))
+		if (uemis_dive_match(divep, name, len, buf))
 			return;
 		break;
 
 	case DIVINGLOG:
-		if (divinglog_dive_match(dive, name, len, buf))
+		if (divinglog_dive_match(divep, name, len, buf))
 			return;
 		break;
 
 	case UDDF:
-		if (uddf_dive_match(dive, name, len, buf))
+		if (uddf_dive_match(divep, name, len, buf))
 			return;
 		break;
 
@@ -960,6 +978,8 @@ static void try_to_fill_dive(struct dive *dive, const char *name, char *buf)
 		break;
 	}
 
+	struct dive *dive = *divep;
+
 	if (MATCH(".number", get_index, &dive->number))
 		return;
 	if (MATCH(".date", divedate, &dive->when))
@@ -1006,23 +1026,24 @@ static void try_to_fill_dive(struct dive *dive, const char *name, char *buf)
 		return;
 	if (MATCH(".buddy", utf8_string, &dive->buddy))
 		return;
-
-	if (MATCH(".cylinder.size", cylindersize, &dive->cylinder[cylinder_index].type.size))
+	if (MATCH(".rating", get_index, &dive->rating))
 		return;
-	if (MATCH(".cylinder.workpressure", pressure, &dive->cylinder[cylinder_index].type.workingpressure))
+	if (MATCH(".cylinder.size", cylindersize, &dive->cylinder[cur_cylinder_index].type.size))
 		return;
-	if (MATCH(".cylinder.description", utf8_string, &dive->cylinder[cylinder_index].type.description))
+	if (MATCH(".cylinder.workpressure", pressure, &dive->cylinder[cur_cylinder_index].type.workingpressure))
 		return;
-	if (MATCH(".cylinder.start", pressure, &dive->cylinder[cylinder_index].start))
+	if (MATCH(".cylinder.description", utf8_string, &dive->cylinder[cur_cylinder_index].type.description))
 		return;
-	if (MATCH(".cylinder.end", pressure, &dive->cylinder[cylinder_index].end))
+	if (MATCH(".cylinder.start", pressure, &dive->cylinder[cur_cylinder_index].start))
+		return;
+	if (MATCH(".cylinder.end", pressure, &dive->cylinder[cur_cylinder_index].end))
 		return;
 
-	if (MATCH(".o2", gasmix, &dive->cylinder[cylinder_index].gasmix.o2))
+	if (MATCH(".o2", gasmix, &dive->cylinder[cur_cylinder_index].gasmix.o2))
 		return;
-	if (MATCH(".n2", gasmix_nitrogen, &dive->cylinder[cylinder_index].gasmix))
+	if (MATCH(".n2", gasmix_nitrogen, &dive->cylinder[cur_cylinder_index].gasmix))
 		return;
-	if (MATCH(".he", gasmix, &dive->cylinder[cylinder_index].gasmix.he))
+	if (MATCH(".he", gasmix, &dive->cylinder[cur_cylinder_index].gasmix.he))
 		return;
 
 	nonmatch("dive", name, buf);
@@ -1036,148 +1057,34 @@ static void try_to_fill_dive(struct dive *dive, const char *name, char *buf)
  */
 static void dive_start(void)
 {
-	if (dive)
+	if (cur_dive)
 		return;
-	dive = alloc_dive();
-	memset(&tm, 0, sizeof(tm));
-}
-
-static void sanitize_gasmix(struct gasmix *mix)
-{
-	unsigned int o2, he;
-
-	o2 = mix->o2.permille;
-	he = mix->he.permille;
-
-	/* Regular air: leave empty */
-	if (!he) {
-		if (!o2)
-			return;
-		/* 20.9% or 21% O2 is just air */
-		if (o2 >= 209 && o2 <= 210) {
-			mix->o2.permille = 0;
-			return;
-		}
-	}
-
-	/* Sane mix? */
-	if (o2 <= 1000 && he <= 1000 && o2+he <= 1000)
-		return;
-	fprintf(stderr, "Odd gasmix: %d O2 %d He\n", o2, he);
-	memset(mix, 0, sizeof(*mix));
-}
-
-/*
- * See if the size/workingpressure looks like some standard cylinder
- * size, eg "AL80".
- */
-static void match_standard_cylinder(cylinder_type_t *type)
-{
-	double cuft;
-	int psi, len;
-	const char *fmt;
-	char buffer[20], *p;
-
-	/* Do we already have a cylinder description? */
-	if (type->description)
-		return;
-
-	cuft = type->size.mliter / 28317.0;
-	cuft *= type->workingpressure.mbar / 1013.25;
-	psi = type->workingpressure.mbar / 68.95;
-
-	switch (psi) {
-	case 2300 ... 2500:	/* 2400 psi: LP tank */
-		fmt = "LP%d";
-		break;
-	case 2600 ... 2700:	/* 2640 psi: LP+10% */
-		fmt = "LP%d";
-		break;
-	case 2900 ... 3100:	/* 3000 psi: ALx tank */
-		fmt = "AL%d";
-		break;
-	case 3400 ... 3500:	/* 3442 psi: HP tank */
-		fmt = "HP%d";
-		break;
-	case 3700 ... 3850:	/* HP+10% */
-		fmt = "HP%d+";
-		break;
-	default:
-		return;
-	}
-	len = snprintf(buffer, sizeof(buffer), fmt, (int) (cuft+0.5));
-	p = malloc(len+1);
-	if (!p)
-		return;
-	memcpy(p, buffer, len+1);
-	type->description = p;
-}
-
-
-/*
- * There are two ways to give cylinder size information:
- *  - total amount of gas in cuft (depends on working pressure and physical size)
- *  - physical size
- *
- * where "physical size" is the one that actually matters and is sane.
- *
- * We internally use physical size only. But we save the workingpressure
- * so that we can do the conversion if required.
- */
-static void sanitize_cylinder_type(cylinder_type_t *type)
-{
-	double volume_of_air, atm, volume;
-
-	/* If we have no working pressure, it had *better* be just a physical size! */
-	if (!type->workingpressure.mbar)
-		return;
-
-	/* No size either? Nothing to go on */
-	if (!type->size.mliter)
-		return;
-
-	if (input_units.volume == CUFT || import_source == SUUNTO) {
-		volume_of_air = type->size.mliter * 28.317;	/* milli-cu ft to milliliter */
-		atm = type->workingpressure.mbar / 1013.25;	/* working pressure in atm */
-		volume = volume_of_air / atm;			/* milliliters at 1 atm: "true size" */
-		type->size.mliter = volume + 0.5;
-	}
-
-	/* Ok, we have both size and pressure: try to match a description */
-	match_standard_cylinder(type);
-}
-
-static void sanitize_cylinder_info(struct dive *dive)
-{
-	int i;
-
-	for (i = 0; i < MAX_CYLINDERS; i++) {
-		sanitize_gasmix(&dive->cylinder[i].gasmix);
-		sanitize_cylinder_type(&dive->cylinder[i].type);
-	}
+	cur_dive = alloc_dive();
+	memset(&cur_tm, 0, sizeof(cur_tm));
 }
 
 static void dive_end(void)
 {
-	if (!dive)
+	if (!cur_dive)
 		return;
-	sanitize_cylinder_info(dive);
-	record_dive(dive);
-	dive = NULL;
-	cylinder_index = 0;
+	record_dive(cur_dive);
+	cur_dive = NULL;
+	cur_cylinder_index = 0;
 }
 
 static void event_start(void)
 {
-	memset(&event, 0, sizeof(event));
-	event.active = 1;
+	memset(&cur_event, 0, sizeof(cur_event));
+	cur_event.active = 1;
 }
 
 static void event_end(void)
 {
-	if (event.name && strcmp(event.name, "surface") != 0)
-		add_event(dive, event.time.seconds, event.type, event.flags, event.value, event.name);
-	event.active = 0;
+	if (cur_event.name && strcmp(cur_event.name, "surface") != 0)
+		add_event(cur_dive, cur_event.time.seconds,
+			cur_event.type, cur_event.flags,
+			cur_event.value, cur_event.name);
+	cur_event.active = 0;
 }
 
 static void cylinder_start(void)
@@ -1186,21 +1093,21 @@ static void cylinder_start(void)
 
 static void cylinder_end(void)
 {
-	cylinder_index++;
+	cur_cylinder_index++;
 }
 
 static void sample_start(void)
 {
-	sample = prepare_sample(&dive);
+	cur_sample = prepare_sample(&cur_dive);
 }
 
 static void sample_end(void)
 {
-	if (!dive)
+	if (!cur_dive)
 		return;
 
-	finish_sample(dive, sample);
-	sample = NULL;
+	finish_sample(cur_dive);
+	cur_sample = NULL;
 }
 
 static void entry(const char *name, int size, const char *raw)
@@ -1211,16 +1118,16 @@ static void entry(const char *name, int size, const char *raw)
 		return;
 	memcpy(buf, raw, size);
 	buf[size] = 0;
-	if (event.active) {
+	if (cur_event.active) {
 		try_to_fill_event(name, buf);
 		return;
 	}
-	if (sample) {
-		try_to_fill_sample(sample, name, buf);
+	if (cur_sample) {
+		try_to_fill_sample(cur_sample, name, buf);
 		return;
 	}
-	if (dive) {
-		try_to_fill_dive(dive, name, buf);
+	if (cur_dive) {
+		try_to_fill_dive(&cur_dive, name, buf);
 		return;
 	}
 }
@@ -1303,12 +1210,6 @@ static void visit(xmlNode *n)
 	traverse(n->children);
 }
 
-static void suunto_importer(void)
-{
-	import_source = SUUNTO;
-	input_units = SI_units;
-}
-
 static void uemis_importer(void)
 {
 	import_source = UEMIS;
@@ -1360,9 +1261,9 @@ static struct nesting {
 	{ "P", sample_start, sample_end },
 
 	/* Import type recognition */
-	{ "SUUNTO", suunto_importer },
 	{ "Divinglog", DivingLog_importer },
 	{ "pre_dive", uemis_importer },
+	{ "dives", uemis_importer },
 	{ "uddf", uddf_importer },
 
 	{ NULL, }
@@ -1403,11 +1304,70 @@ static void reset_all(void)
 	import_source = UNKNOWN;
 }
 
+struct memblock {
+	void *buffer;
+	size_t size;
+};
+
+static int readfile(const char *filename, struct memblock *mem)
+{
+	int ret, fd = open(filename, O_RDONLY);
+	struct stat st;
+
+	mem->buffer = NULL;
+	mem->size = 0;
+
+	fd = open(filename, O_RDONLY);
+	if (fd < 0)
+		return fd;
+	ret = fstat(fd, &st);
+	if (ret < 0)
+		goto out;
+	ret = -EINVAL;
+	if (!S_ISREG(st.st_mode))
+		goto out;
+	ret = 0;
+	if (!st.st_size)
+		goto out;
+	mem->buffer = malloc(st.st_size);
+	ret = -1;
+	errno = ENOMEM;
+	if (!mem->buffer)
+		goto out;
+	mem->size = st.st_size;
+	ret = read(fd, mem->buffer, mem->size);
+	if (ret < 0)
+		goto free;
+	if (ret == mem->size)
+		goto out;
+	errno = EIO;
+	ret = -1;
+free:
+	free(mem->buffer);
+	mem->buffer = NULL;
+	mem->size = 0;
+out:
+	close(fd);
+	return ret;
+}
+
 void parse_xml_file(const char *filename, GError **error)
 {
 	xmlDoc *doc;
+	struct memblock mem;
+
+	if (readfile(filename, &mem) < 0) {
+		fprintf(stderr, "Failed to read '%s'.\n", filename);
+		if (error) {
+			*error = g_error_new(g_quark_from_string("subsurface"),
+					     DIVE_ERROR_PARSE,
+					     "Failed to read '%s'",
+					     filename);
+		}
+		return;
+	}
 
-	doc = xmlReadFile(filename, NULL, 0);
+	doc = xmlReadMemory(mem.buffer, mem.size, filename, NULL, 0);
 	if (!doc) {
 		fprintf(stderr, "Failed to parse '%s'.\n", filename);
 		if (error != NULL)
@@ -1424,6 +1384,9 @@ void parse_xml_file(const char *filename, GError **error)
 	set_filename(filename);
 	reset_all();
 	dive_start();
+#ifdef XSLT
+	doc = test_xslt_transforms(doc);
+#endif
 	traverse(xmlDocGetRootElement(doc));
 	dive_end();
 	xmlFreeDoc(doc);
@@ -1434,3 +1397,85 @@ void parse_xml_init(void)
 {
 	LIBXML_TEST_VERSION
 }
+
+#ifdef XSLT
+
+/* Maybe we'll want a environment variable that can override this.. */
+static const char *xslt_path = XSLT ":xslt:.";
+
+static xsltStylesheetPtr try_get_stylesheet(const char *path, int len, const char *name)
+{
+	xsltStylesheetPtr ret;
+	int namelen = strlen(name);
+	char *filename = malloc(len+1+namelen+1);
+
+	if (!filename)
+		return NULL;
+
+	memcpy(filename, path, len);
+	filename[len] = G_DIR_SEPARATOR;
+	memcpy(filename + len + 1, name, namelen+1);
+
+	ret = NULL;
+	if (!access(filename, R_OK))
+		ret = xsltParseStylesheetFile(filename);
+	free(filename);
+
+	return ret;
+}
+
+static xsltStylesheetPtr get_stylesheet(const char *name)
+{
+	const char *path = xslt_path, *next;
+
+	do {
+		int len;
+		xsltStylesheetPtr ret;
+
+		next = strchr(path, ':');
+		len = strlen(path);
+		if (next) {
+			len = next - path;
+			next++;
+		}
+		ret = try_get_stylesheet(path, len, name);
+		if (ret)
+			return ret;
+	} while ((path = next) != NULL);
+
+	return NULL;
+}
+
+static struct xslt_files {
+	const char *root;
+	const char *file;
+} xslt_files[] = {
+	{ "SUUNTO", "SuuntoSDM.xslt" },
+	{ "JDiveLog", "jdivelog2subsurface.xslt" },
+	{ NULL, }
+};
+
+xmlDoc *test_xslt_transforms(xmlDoc *doc)
+{
+	struct xslt_files *info = xslt_files;
+	xmlDoc *transformed;
+	xsltStylesheetPtr xslt = NULL;
+	xmlNode *root_element = xmlDocGetRootElement(doc);
+
+	while ((info->root) && (strcasecmp(root_element->name, info->root) != 0)) {
+		info++;
+	}
+
+	if (info->root) {
+		xmlSubstituteEntitiesDefault(1);
+		xslt = get_stylesheet(info->file);
+		if (xslt == NULL)
+			return doc;
+		transformed = xsltApplyStylesheet(xslt, doc, NULL);
+		xmlFreeDoc(doc);
+		xsltFreeStylesheet(xslt);
+		return transformed;
+	}
+	return doc;
+}
+#endif