X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=parse.c;h=f90c16ce12fbf05fde39ce39e9840ffd8536c211;hb=d1ae1c48309cd0ac5af96114040407dd51e92c37;hp=3ada58b46630e4f93d81508ff54df6db2fef5424;hpb=048a5a2b32c0638708ca4779007f9e33226d54f4;p=ext%2Fsubsurface.git diff --git a/parse.c b/parse.c index 3ada58b..f90c16c 100644 --- a/parse.c +++ b/parse.c @@ -7,178 +7,30 @@ #include #include -static int verbose; +#include "dive.h" -/* - * Some silly typedefs to make our units very explicit. - * - * Also, the units are chosen so that values can be expressible as - * integers, so that we never have FP rounding issues. And they - * are small enough that converting to/from imperial units doesn't - * really matter. - * - * We also strive to make '0' a meaningless number saying "not - * initialized", since many values are things that may not have - * been reported (eg tank pressure or temperature from dive - * computers that don't support them). But sometimes -1 is an even - * more explicit way of saying "not there". - * - * Thus "millibar" for pressure, for example, or "millikelvin" for - * temperatures. Doing temperatures in celsius or fahrenheit would - * make for loss of precision when converting from one to the other, - * and using millikelvin is SI-like but also means that a temperature - * of '0' is clearly just a missing temperature or tank pressure. - * - * Also strive to use units that can not possibly be mistaken for a - * valid value in a "normal" system without conversion. If the max - * depth of a dive is '20000', you probably didn't convert from mm on - * output, or if the max depth gets reported as "0.2ft" it was either - * a really boring dive, or there was some missing input conversion, - * and a 60-ft dive got recorded as 60mm. - * - * Doing these as "structs containing value" means that we always - * have to explicitly write out those units in order to get at the - * actual value. So there is hopefully little fear of using a value - * in millikelvin as Fahrenheit by mistake. - * - * We don't actually use these all yet, so maybe they'll change, but - * I made a number of types as guidelines. - */ -typedef struct { - int seconds; -} duration_t; - -typedef struct { - int mm; -} depth_t; - -typedef struct { - int mbar; -} pressure_t; - -typedef struct { - int mkelvin; -} temperature_t; - -typedef struct { - int mliter; -} volume_t; - -typedef struct { - int permille; -} fraction_t; - -typedef struct { - int grams; -} weight_t; - -typedef struct { - fraction_t o2; - fraction_t n2; - fraction_t he2; -} gasmix_t; - -typedef struct { - volume_t size; - pressure_t pressure; -} tank_type_t; - -static int to_feet(depth_t depth) -{ - return depth.mm * 0.00328084 + 0.5; -} - -static int to_C(temperature_t temp) -{ - if (!temp.mkelvin) - return 0; - return (temp.mkelvin - 273150) / 1000; -} - -static int to_PSI(pressure_t pressure) -{ - return pressure.mbar * 0.0145037738 + 0.5; -} +int verbose; -struct sample { - duration_t time; - depth_t depth; - temperature_t temperature; - pressure_t tankpressure; - int tankindex; -}; - -struct dive { - time_t when; - depth_t maxdepth, meandepth; - duration_t duration, surfacetime; - depth_t visibility; - temperature_t airtemp, watertemp; - pressure_t beginning_pressure, end_pressure; - int samples; - struct sample sample[]; -}; - -static struct dive **dive_table; -static int nr_dives, nr_allocated; +struct dive_table dive_table; +/* + * Add a dive into the dive_table array + */ static void record_dive(struct dive *dive) { - if (nr_dives >= nr_allocated) { - nr_allocated = (nr_dives + 32) * 3 / 2; - dive_table = realloc(dive_table, nr_allocated * sizeof(struct dive *)); - if (!dive_table) - exit(1); - } - dive_table[nr_dives++] = dive; -} - -static void show_dive(int nr, struct dive *dive) -{ - int i; - struct tm *tm; - - tm = gmtime(&dive->when); - - printf("Dive %d with %d samples at %02d:%02d:%02d %04d-%02d-%02d\n", - nr, dive->samples, - tm->tm_hour, tm->tm_min, tm->tm_sec, - tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday); - - if (!verbose) - return; - - for (i = 0; i < dive->samples; i++) { - struct sample *s = dive->sample + i; + int nr = dive_table.nr, allocated = dive_table.allocated; + struct dive **dives = dive_table.dives; - printf("%4d:%02d: %3d ft, %2d C, %4d PSI\n", - s->time.seconds / 60, - s->time.seconds % 60, - to_feet(s->depth), - to_C(s->temperature), - to_PSI(s->tankpressure)); + if (nr >= allocated) { + allocated = (nr + 32) * 3 / 2; + dives = realloc(dives, allocated * sizeof(struct dive *)); + if (!dives) + exit(1); + dive_table.dives = dives; + dive_table.allocated = allocated; } -} - -static int sortfn(const void *_a, const void *_b) -{ - const struct dive *a = *(void **)_a; - const struct dive *b = *(void **)_b; - - if (a->when < b->when) - return -1; - if (a->when > b->when) - return 1; - return 0; -} - -static void report_dives(void) -{ - int i; - qsort(dive_table, nr_dives, sizeof(struct dive *), sortfn); - - for (i = 0; i < nr_dives; i++) - show_dive(i+1, dive_table[i]); + dives[nr] = dive; + dive_table.nr = nr+1; } static void nonmatch(const char *type, const char *fullname, const char *name, char *buffer) @@ -421,12 +273,18 @@ static void temperature(char *buffer, void *_temperature) static void sampletime(char *buffer, void *_time) { + int i; + int min, sec; duration_t *time = _time; - union int_or_float val; - switch (integer_or_float(buffer, &val)) { - case INTEGER: - time->seconds = val.i; + i = sscanf(buffer, "%d:%d", &min, &sec); + switch (i) { + case 1: + sec = min; + min = 0; + /* fallthrough */ + case 2: + time->seconds = sec + min*60; break; default: printf("Strange sample time reading %s\n", buffer); @@ -434,6 +292,15 @@ static void sampletime(char *buffer, void *_time) free(buffer); } +static void duration(char *buffer, void *_time) +{ + sampletime(buffer, _time); +} + +static void ignore(char *buffer, void *_time) +{ +} + /* 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) { @@ -466,6 +333,34 @@ static void try_to_fill_dive(struct dive *dive, const char *name, char *buf) return; if (match("datetime", last, divedatetime, buf, &dive->when)) return; + if (match("maxdepth", last, depth, buf, &dive->maxdepth)) + return; + if (match("meandepth", last, depth, buf, &dive->meandepth)) + return; + if (match("divetime", last, duration, buf, &dive->duration)) + return; + if (match("divetimesec", last, duration, buf, &dive->duration)) + return; + if (match("surfacetime", last, duration, buf, &dive->surfacetime)) + return; + if (match("airtemp", last, temperature, buf, &dive->airtemp)) + return; + if (match("watertemp", last, temperature, buf, &dive->watertemp)) + return; + if (match("cylinderstartpressure", last, pressure, buf, &dive->beginning_pressure)) + return; + if (match("cylinderendpressure", last, pressure, buf, &dive->end_pressure)) + return; + if (match("divenumber", last, ignore, buf, NULL)) + return; + if (match("diveseries", last, ignore, buf, NULL)) + return; + if (match("number", last, ignore, buf, NULL)) + return; + if (match("size", last, ignore, buf, NULL)) + return; + if (match("fingerprint", last, ignore, buf, NULL)) + return; nonmatch("dive", name, last, buf); } @@ -496,10 +391,34 @@ static void dive_start(void) memset(&tm, 0, sizeof(tm)); } +static char *generate_name(struct dive *dive) +{ + int len; + struct tm *tm; + char buffer[256], *p; + + tm = gmtime(&dive->when); + + len = snprintf(buffer, sizeof(buffer), + "%04d-%02d-%02d " + "%02d:%02d:%02d " + "(%d ft, %d min)\n", + tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, + tm->tm_hour, tm->tm_min, tm->tm_sec, + to_feet(dive->maxdepth), dive->duration.seconds / 60); + p = malloc(len+1); + if (!p) + exit(1); + memcpy(p, buffer, len+1); + return p; +} + static void dive_end(void) { if (!dive) return; + if (!dive->name) + dive->name = generate_name(dive); record_dive(dive); dive = NULL; } @@ -552,7 +471,6 @@ static void entry(const char *name, int size, const char *raw) static const char *nodename(xmlNode *node, char *buf, int len) { - if (!node || !node->name) return "root"; @@ -644,7 +562,7 @@ static void traverse(xmlNode *node) } } -static void parse(const char *filename) +void parse_xml_file(const char *filename) { xmlDoc *doc; @@ -661,37 +579,7 @@ static void parse(const char *filename) xmlCleanupParser(); } -static void parse_argument(const char *arg) -{ - const char *p = arg+1; - - do { - switch (*p) { - case 'v': - verbose++; - continue; - default: - fprintf(stderr, "Bad argument '%s'\n", arg); - exit(1); - } - } while (*++p); -} - -int main(int argc, char **argv) +void parse_xml_init(void) { - int i; - LIBXML_TEST_VERSION - - for (i = 1; i < argc; i++) { - const char *a = argv[i]; - - if (a[0] == '-') { - parse_argument(a); - continue; - } - parse(a); - } - report_dives(); - return 0; }