]> git.tdb.fi Git - ext/subsurface.git/blobdiff - parse-xml.c
Turn subsurface into a real Mac application
[ext/subsurface.git] / parse-xml.c
index 8f916b09aea3ed02b2d7ebb7c927263eb2bd7a83..4d8568997d835205e8624dd9becef1f6c8f04362 100644 (file)
@@ -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;
 
@@ -92,13 +100,18 @@ const struct units IMPERIAL_units = {
  */
 static struct dive *dive;
 static struct sample *sample;
+static struct {
+       int active;
+       duration_t time;
+       int type, flags, value;
+       const char *name;
+} event;
 static struct tm tm;
-static int event_index, cylinder_index;
+static int cylinder_index;
 
 static enum import_source {
        UNKNOWN,
        LIBDIVECOMPUTER,
-       SUUNTO,
        UEMIS,
        DIVINGLOG,
        UDDF,
@@ -417,7 +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.
@@ -558,6 +571,34 @@ static int uddf_fill_sample(struct sample *sample, const char *name, int len, ch
                0;
 }
 
+static void eventtime(char *buffer, void *_duration)
+{
+       duration_t *duration = _duration;
+       sampletime(buffer, duration);
+       if (sample)
+               duration->seconds += sample->time.seconds;
+}
+
+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))
+               return;
+       if (MATCH(".name", utf8_string, &event.name))
+               return;
+       if (MATCH(".time", eventtime, &event.time))
+               return;
+       if (MATCH(".type", get_index, &event.type))
+               return;
+       if (MATCH(".flags", get_index, &event.flags))
+               return;
+       if (MATCH(".value", get_index, &event.value))
+               return;
+       nonmatch("event", name, buf);
+}
+
 /* We're in samples - try to convert the random xml value to something useful */
 static void try_to_fill_sample(struct sample *sample, const char *name, char *buf)
 {
@@ -568,6 +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))
@@ -602,24 +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)
@@ -644,8 +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) ||
@@ -736,6 +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;
 
@@ -800,8 +848,10 @@ static void uemis_percent(char *buffer, void *_cylinder)
                percent(buffer, &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) ||
@@ -827,6 +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;
 }
 
@@ -874,8 +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) ||
@@ -897,30 +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;
 
@@ -928,6 +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))
@@ -974,7 +1026,8 @@ 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(".rating", get_index, &dive->rating))
+               return;
        if (MATCH(".cylinder.size", cylindersize, &dive->cylinder[cylinder_index].type.size))
                return;
        if (MATCH(".cylinder.workpressure", pressure, &dive->cylinder[cylinder_index].type.workingpressure))
@@ -1050,9 +1103,9 @@ static void match_standard_cylinder(cylinder_type_t *type)
        if (type->description)
                return;
 
-       cuft = type->size.mliter / 28317.0;
+       cuft = ml_to_cuft(type->size.mliter);
        cuft *= to_ATM(type->workingpressure);
-       psi = type->workingpressure.mbar / 68.95;
+       psi = to_PSI(type->workingpressure);
 
        switch (psi) {
        case 2300 ... 2500:     /* 2400 psi: LP tank */
@@ -1104,8 +1157,9 @@ static void sanitize_cylinder_type(cylinder_type_t *type)
        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 */
+       if (input_units.volume == CUFT) {
+               /* confusing - we don't really start from ml but millicuft !*/
+               volume_of_air = cuft_to_l(type->size.mliter);
                atm = to_ATM(type->workingpressure);            /* working pressure in atm */
                volume = volume_of_air / atm;                   /* milliliters at 1 atm: "true size" */
                type->size.mliter = volume + 0.5;
@@ -1137,11 +1191,15 @@ static void dive_end(void)
 
 static void event_start(void)
 {
+       memset(&event, 0, sizeof(event));
+       event.active = 1;
 }
 
 static void event_end(void)
 {
-       event_index++;
+       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;
 }
 
 static void cylinder_start(void)
@@ -1156,7 +1214,6 @@ static void cylinder_end(void)
 static void sample_start(void)
 {
        sample = prepare_sample(&dive);
-       event_index = 0;
 }
 
 static void sample_end(void)
@@ -1176,12 +1233,16 @@ static void entry(const char *name, int size, const char *raw)
                return;
        memcpy(buf, raw, size);
        buf[size] = 0;
+       if (event.active) {
+               try_to_fill_event(name, buf);
+               return;
+       }
        if (sample) {
                try_to_fill_sample(sample, name, buf);
                return;
        }
        if (dive) {
-               try_to_fill_dive(dive, name, buf);
+               try_to_fill_dive(&dive, name, buf);
                return;
        }
 }
@@ -1264,12 +1325,6 @@ 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;
@@ -1321,9 +1376,9 @@ 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, }
@@ -1364,11 +1419,70 @@ 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)
@@ -1385,6 +1499,9 @@ 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);
@@ -1395,3 +1512,85 @@ 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