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author | Miika Turkia <miika.turkia@gmail.com> | 2017-11-27 19:41:10 +0200 |
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committer | Dirk Hohndel <dirk@hohndel.org> | 2017-11-27 13:42:10 -0800 |
commit | 02c80a60b0cb7e2144ff8ef8564587299c9540b9 (patch) | |
tree | 8b8f9f1aaded96530b04325f953b3d730277d9c5 /core/parse-xml.c | |
parent | 0c564a4579c96704cbc2f2aa290edc538a9d5c6a (diff) | |
download | subsurface-02c80a60b0cb7e2144ff8ef8564587299c9540b9.tar.gz |
Refactore parse-xml.c into parse.c and parse-xml.c
This should help us to move parsing that is not XML related to other
files, hopefully making the code cleaner.
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Diffstat (limited to 'core/parse-xml.c')
-rw-r--r-- | core/parse-xml.c | 447 |
1 files changed, 1 insertions, 446 deletions
diff --git a/core/parse-xml.c b/core/parse-xml.c index 6fd298710..4de4ab867 100644 --- a/core/parse-xml.c +++ b/core/parse-xml.c @@ -22,6 +22,7 @@ #include "gettext.h" #include "dive.h" +#include "parse.h" #include "divelist.h" #include "device.h" #include "membuffer.h" @@ -33,148 +34,10 @@ int diveid = -1; static xmlDoc *test_xslt_transforms(xmlDoc *doc, const char **params); -/* the dive table holds the overall dive list; target table points at - * the table we are currently filling */ -struct dive_table dive_table; -struct dive_table *target_table = NULL; - -/* Trim a character string by removing leading and trailing white space characters. - * Parameter: a pointer to a null-terminated character string (buffer); - * Return value: length of the trimmed string, excluding the terminal 0x0 byte - * The original pointer (buffer) remains valid after this function has been called - * and points to the trimmed string */ -int trimspace(char *buffer) -{ - int i, size, start, end; - size = strlen(buffer); - - if (!size) - return 0; - for(start = 0; isspace(buffer[start]); start++) - if (start >= size) return 0; // Find 1st character following leading whitespace - for(end = size - 1; isspace(buffer[end]); end--) // Find last character before trailing whitespace - if (end <= 0) return 0; - for(i = start; i <= end; i++) // Move the nonspace characters to the start of the string - buffer[i-start] = buffer[i]; - size = end - start + 1; - buffer[size] = 0x0; // then terminate the string - return size; // return string length -} - -/* - * Clear a dive_table - */ -void clear_table(struct dive_table *table) -{ - for (int i = 0; i < table->nr; i++) - free(table->dives[i]); - table->nr = 0; -} - -/* - * Add a dive into the dive_table array - */ -void record_dive_to_table(struct dive *dive, struct dive_table *table) -{ - assert(table != NULL); - struct dive **dives = grow_dive_table(table); - int nr = table->nr; - - dives[nr] = fixup_dive(dive); - table->nr = nr + 1; -} - -void record_dive(struct dive *dive) -{ - record_dive_to_table(dive, &dive_table); -} - -static void start_match(const char *type, const char *name, char *buffer) -{ - if (verbose > 2) - printf("Matching %s '%s' (%s)\n", - type, name, buffer); -} - -static void nonmatch(const char *type, const char *name, char *buffer) -{ - if (verbose > 1) - printf("Unable to match %s '%s' (%s)\n", - type, name, buffer); -} - -typedef void (*matchfn_t)(char *buffer, void *); - -static int match(const char *pattern, int plen, - const char *name, - matchfn_t fn, char *buf, void *data) -{ - switch (name[plen]) { - case '\0': - case '.': - break; - default: - return 0; - } - if (memcmp(pattern, name, plen)) - return 0; - fn(buf, data); - return 1; -} - - struct units xml_parsing_units; const struct units SI_units = SI_UNITS; const struct units IMPERIAL_units = IMPERIAL_UNITS; -/* - * Dive info as it is being built up.. - */ -#define MAX_EVENT_NAME 128 -static struct divecomputer *cur_dc; -static struct dive *cur_dive; -static struct dive_site *cur_dive_site; -degrees_t cur_latitude, cur_longitude; -static dive_trip_t *cur_trip = NULL; -static struct sample *cur_sample; -static struct picture *cur_picture; -static union { - struct event event; - char allocation[sizeof(struct event)+MAX_EVENT_NAME]; -} event_allocation = { .event.deleted = 1 }; -#define cur_event event_allocation.event -static struct { - struct { - const char *model; - uint32_t deviceid; - const char *nickname, *serial_nr, *firmware; - } dc; -} cur_settings; -static bool in_settings = false; -static bool in_userid = false; -static struct tm cur_tm; -static int cur_cylinder_index, cur_ws_index; -static int lastcylinderindex, next_o2_sensor; -static int o2pressure_sensor; -static struct extra_data cur_extra_data; - -/* - * If we don't have an explicit dive computer, - * we use the implicit one that every dive has.. - */ -static struct divecomputer *get_dc(void) -{ - return cur_dc ?: &cur_dive->dc; -} - -static enum import_source { - UNKNOWN, - LIBDIVECOMPUTER, - DIVINGLOG, - UDDF, - SSRF_WS, -} import_source; - static void divedate(const char *buffer, timestamp_t *when) { int d, m, y; @@ -561,15 +424,6 @@ static void cylindersize(char *buffer, volume_t *volume) } } -static void utf8_string(char *buffer, void *_res) -{ - char **res = _res; - int size; - size = trimspace(buffer); - if(size) - *res = strdup(buffer); -} - static void event_name(char *buffer, char *name) { int size = trimspace(buffer); @@ -1537,305 +1391,6 @@ static void try_to_fill_dive_site(struct dive_site **ds_p, const char *name, cha nonmatch("divesite", name, buf); } -/* - * While in some formats file boundaries are dive boundaries, in many - * others (as for example in our native format) there are - * multiple dives per file, so there can be other events too that - * trigger a "new dive" marker and you may get some nesting due - * to that. Just ignore nesting levels. - * On the flipside it is possible that we start an XML file that ends - * up having no dives in it at all - don't create a bogus empty dive - * for those. It's not entirely clear what is the minimum set of data - * to make a dive valid, but if it has no location, no date and no - * samples I'm pretty sure it's useless. - */ -static bool is_dive(void) -{ - return (cur_dive && - (cur_dive->dive_site_uuid || cur_dive->when || cur_dive->dc.samples)); -} - -static void reset_dc_info(struct divecomputer *dc) -{ - /* WARN: reset dc info does't touch the dc? */ - (void) dc; - lastcylinderindex = 0; -} - -static void reset_dc_settings(void) -{ - free((void *)cur_settings.dc.model); - free((void *)cur_settings.dc.nickname); - free((void *)cur_settings.dc.serial_nr); - free((void *)cur_settings.dc.firmware); - cur_settings.dc.model = NULL; - cur_settings.dc.nickname = NULL; - cur_settings.dc.serial_nr = NULL; - cur_settings.dc.firmware = NULL; - cur_settings.dc.deviceid = 0; -} - -static void settings_start(void) -{ - in_settings = true; -} - -static void settings_end(void) -{ - in_settings = false; -} - -static void dc_settings_start(void) -{ - reset_dc_settings(); -} - -static void dc_settings_end(void) -{ - create_device_node(cur_settings.dc.model, cur_settings.dc.deviceid, cur_settings.dc.serial_nr, - cur_settings.dc.firmware, cur_settings.dc.nickname); - reset_dc_settings(); -} - -static void dive_site_start(void) -{ - if (cur_dive_site) - return; - cur_dive_site = calloc(1, sizeof(struct dive_site)); -} - -static void dive_site_end(void) -{ - if (!cur_dive_site) - return; - if (cur_dive_site->taxonomy.nr == 0) { - free(cur_dive_site->taxonomy.category); - cur_dive_site->taxonomy.category = NULL; - } - if (cur_dive_site->uuid) { - struct dive_site *ds = alloc_or_get_dive_site(cur_dive_site->uuid); - merge_dive_site(ds, cur_dive_site); - - if (verbose > 3) - printf("completed dive site uuid %x8 name {%s}\n", ds->uuid, ds->name); - } - free_taxonomy(&cur_dive_site->taxonomy); - free(cur_dive_site); - cur_dive_site = NULL; -} - -// now we need to add the code to parse the parts of the divesite enry - -static void dive_start(void) -{ - if (cur_dive) - return; - cur_dive = alloc_dive(); - reset_dc_info(&cur_dive->dc); - memset(&cur_tm, 0, sizeof(cur_tm)); - if (cur_trip) { - add_dive_to_trip(cur_dive, cur_trip); - cur_dive->tripflag = IN_TRIP; - } - o2pressure_sensor = 1; -} - -static void dive_end(void) -{ - if (!cur_dive) - return; - if (!is_dive()) - free(cur_dive); - else - record_dive_to_table(cur_dive, target_table); - cur_dive = NULL; - cur_dc = NULL; - cur_latitude.udeg = 0; - cur_longitude.udeg = 0; - cur_cylinder_index = 0; - cur_ws_index = 0; -} - -static void trip_start(void) -{ - if (cur_trip) - return; - dive_end(); - cur_trip = calloc(1, sizeof(dive_trip_t)); - memset(&cur_tm, 0, sizeof(cur_tm)); -} - -static void trip_end(void) -{ - if (!cur_trip) - return; - insert_trip(&cur_trip); - cur_trip = NULL; -} - -static void event_start(void) -{ - memset(&cur_event, 0, sizeof(cur_event)); - cur_event.deleted = 0; /* Active */ -} - -static void event_end(void) -{ - struct divecomputer *dc = get_dc(); - if (cur_event.type == 123) { - struct picture *pic = alloc_picture(); - pic->filename = strdup(cur_event.name); - /* theoretically this could fail - but we didn't support multi year offsets */ - pic->offset.seconds = cur_event.time.seconds; - dive_add_picture(cur_dive, pic); - } else { - struct event *ev; - /* At some point gas change events did not have any type. Thus we need to add - * one on import, if we encounter the type one missing. - */ - if (cur_event.type == 0 && strcmp(cur_event.name, "gaschange") == 0) - cur_event.type = cur_event.value >> 16 > 0 ? SAMPLE_EVENT_GASCHANGE2 : SAMPLE_EVENT_GASCHANGE; - ev = add_event(dc, cur_event.time.seconds, - cur_event.type, cur_event.flags, - cur_event.value, cur_event.name); - - /* - * Older logs might mark the dive to be CCR by having an "SP change" event at time 0:00. Better - * to mark them being CCR on import so no need for special treatments elsewhere on the code. - */ - if (ev && cur_event.time.seconds == 0 && cur_event.type == SAMPLE_EVENT_PO2 && cur_event.value && dc->divemode==OC) { - dc->divemode = CCR; - } - - if (ev && event_is_gaschange(ev)) { - /* See try_to_fill_event() on why the filled-in index is one too big */ - ev->gas.index = cur_event.gas.index-1; - if (cur_event.gas.mix.o2.permille || cur_event.gas.mix.he.permille) - ev->gas.mix = cur_event.gas.mix; - } - } - cur_event.deleted = 1; /* No longer active */ -} - -static void picture_start(void) -{ - cur_picture = alloc_picture(); -} - -static void picture_end(void) -{ - dive_add_picture(cur_dive, cur_picture); - cur_picture = NULL; -} - -static void cylinder_start(void) -{ -} - -static void cylinder_end(void) -{ - cur_cylinder_index++; -} - -static void ws_start(void) -{ -} - -static void ws_end(void) -{ - cur_ws_index++; -} - -/* - * By default the sample data does not change unless the - * save-file gives an explicit new value. So we copy the - * data from the previous sample if one exists, and then - * the parsing will update it as necessary. - * - * There are a few exceptions, like the sample pressure: - * missing sample pressure doesn't mean "same as last - * time", but "interpolate". We clear those ones - * explicitly. - * - * NOTE! We default sensor use to 0, 1 respetively for - * the two sensors, but for CCR dives with explicit - * OXYGEN bottles we set the secondary sensor to that. - * Then the primary sensor will be either the first - * or the second cylinder depending on what isn't an - * oxygen cylinder. - */ -static void sample_start(void) -{ - struct divecomputer *dc = get_dc(); - struct sample *sample = prepare_sample(dc); - - if (sample != dc->sample) { - memcpy(sample, sample-1, sizeof(struct sample)); - sample->pressure[0].mbar = 0; - sample->pressure[1].mbar = 0; - } else { - sample->sensor[0] = !o2pressure_sensor; - sample->sensor[1] = o2pressure_sensor; - } - cur_sample = sample; - next_o2_sensor = 0; -} - -static void sample_end(void) -{ - if (!cur_dive) - return; - - finish_sample(get_dc()); - cur_sample = NULL; -} - -static void divecomputer_start(void) -{ - struct divecomputer *dc; - - /* Start from the previous dive computer */ - dc = &cur_dive->dc; - while (dc->next) - dc = dc->next; - - /* Did we already fill that in? */ - if (dc->samples || dc->model || dc->when) { - struct divecomputer *newdc = calloc(1, sizeof(*newdc)); - if (newdc) { - dc->next = newdc; - dc = newdc; - } - } - - /* .. this is the one we'll use */ - cur_dc = dc; - reset_dc_info(dc); -} - -static void divecomputer_end(void) -{ - if (!cur_dc->when) - cur_dc->when = cur_dive->when; - cur_dc = NULL; -} - -static void userid_start(void) -{ - in_userid = true; - //if the xml contains userid, keep saving it. - // don't call the prefs method here as we don't wanna - // actually change the preferences, this is temporary and - // will be reverted when the file finishes. - - prefs.save_userid_local = true; -} - -static void userid_stop(void) -{ - in_userid = false; -} - static bool entry(const char *name, char *buf) { if (!strncmp(name, "version.program", sizeof("version.program") - 1) || |