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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-01 10:09:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-01 10:09:53 -0700 |
commit | 4350a75b9455387c0da36b9b52349a858d8fca9c (patch) | |
tree | 5f856547c604ba394ebe99b13a3f20c5675b7694 /parse.c | |
parent | feec55504084baf022517d39e72431b4d361a217 (diff) | |
download | subsurface-4350a75b9455387c0da36b9b52349a858d8fca9c.tar.gz |
Rename some files to be more appropriate
The executable is now called 'divelog'. If this gets useful enough to
actually *use*, I guess I'll have to come up with a real name some day.
Add a silly README, rename 'parse' to 'parse-xml'.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'parse.c')
-rw-r--r-- | parse.c | 593 |
1 files changed, 0 insertions, 593 deletions
diff --git a/parse.c b/parse.c deleted file mode 100644 index 58d446db0..000000000 --- a/parse.c +++ /dev/null @@ -1,593 +0,0 @@ -#include <stdio.h> -#include <ctype.h> -#include <string.h> -#include <stdlib.h> -#include <errno.h> -#include <time.h> -#include <libxml/parser.h> -#include <libxml/tree.h> - -#include "dive.h" - -int verbose; - -struct dive_table dive_table; - -/* - * Add a dive into the dive_table array - */ -static void record_dive(struct dive *dive) -{ - int nr = dive_table.nr, allocated = dive_table.allocated; - struct dive **dives = dive_table.dives; - - 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; - } - dives[nr] = dive; - dive_table.nr = nr+1; -} - -static void nonmatch(const char *type, const char *fullname, const char *name, char *buffer) -{ - if (verbose > 1) - printf("Unable to match %s '(%.*s)%s' (%s)\n", type, - (int) (name - fullname), fullname, name, - buffer); - free(buffer); -} - -static const char *last_part(const char *name) -{ - const char *p = strrchr(name, '.'); - return p ? p+1 : name; -} - -typedef void (*matchfn_t)(char *buffer, void *); - -static int match(const char *pattern, const char *name, matchfn_t fn, char *buf, void *data) -{ - if (strcasecmp(pattern, name)) - return 0; - fn(buf, data); - return 1; -} - -/* - * Dive info as it is being built up.. - */ -static int alloc_samples; -static struct dive *dive; -static struct sample *sample; -static struct tm tm; - -static time_t utc_mktime(struct tm *tm) -{ - static const int mdays[] = { - 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 - }; - int year = tm->tm_year; - int month = tm->tm_mon; - int day = tm->tm_mday; - - /* First normalize relative to 1900 */ - if (year < 70) - year += 100; - else if (year > 1900) - year -= 1900; - - /* Normalized to Jan 1, 1970: unix time */ - year -= 70; - - if (year < 0 || year > 129) /* algo only works for 1970-2099 */ - return -1; - if (month < 0 || month > 11) /* array bounds */ - return -1; - if (month < 2 || (year + 2) % 4) - day--; - if (tm->tm_hour < 0 || tm->tm_min < 0 || tm->tm_sec < 0) - return -1; - return (year * 365 + (year + 1) / 4 + mdays[month] + day) * 24*60*60UL + - tm->tm_hour * 60*60 + tm->tm_min * 60 + tm->tm_sec; -} - -static void divedate(char *buffer, void *_when) -{ - int d,m,y; - time_t *when = _when; - - if (sscanf(buffer, "%d.%d.%d", &d, &m, &y) == 3) { - tm.tm_year = y; - tm.tm_mon = m-1; - tm.tm_mday = d; - if (tm.tm_sec | tm.tm_min | tm.tm_hour) - *when = utc_mktime(&tm); - } - free(buffer); -} - -static void divetime(char *buffer, void *_when) -{ - int h,m,s = 0; - 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); - } - free(buffer); -} - -/* Libdivecomputer: "2011-03-20 10:22:38" */ -static void divedatetime(char *buffer, void *_when) -{ - int y,m,d; - int hr,min,sec; - time_t *when = _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); - } - free(buffer); -} - -union int_or_float { - long i; - double fp; -}; - -enum number_type { - NEITHER, - INTEGER, - FLOAT -}; - -static enum number_type integer_or_float(char *buffer, union int_or_float *res) -{ - char *end; - long val; - double fp; - - /* Integer or floating point? */ - val = strtol(buffer, &end, 10); - if (val < 0 || end == buffer) - return NEITHER; - - /* Looks like it might be floating point? */ - if (*end == '.') { - errno = 0; - fp = strtod(buffer, &end); - if (!errno) { - res->fp = fp; - return FLOAT; - } - } - - res->i = val; - return INTEGER; -} - -static void pressure(char *buffer, void *_press) -{ - pressure_t *pressure = _press; - union int_or_float val; - - switch (integer_or_float(buffer, &val)) { - case FLOAT: - /* Maybe it's in Bar? */ - if (val.fp < 500.0) { - pressure->mbar = val.fp * 1000; - break; - } - printf("Unknown fractional pressure reading %s\n", buffer); - break; - - case INTEGER: - /* - * Random integer? Maybe in PSI? Or millibar already? - * - * We assume that 5 bar is a ridiculous tank pressure, - * so if it's smaller than 5000, it's in PSI.. - */ - if (val.i < 5000) { - pressure->mbar = val.i * 68.95; - break; - } - pressure->mbar = val.i; - break; - default: - printf("Strange pressure reading %s\n", buffer); - } - free(buffer); -} - -static void depth(char *buffer, void *_depth) -{ - depth_t *depth = _depth; - union int_or_float val; - - switch (integer_or_float(buffer, &val)) { - /* All values are probably in meters */ - case INTEGER: - val.fp = val.i; - /* fallthrough */ - case FLOAT: - depth->mm = val.fp * 1000; - break; - default: - printf("Strange depth reading %s\n", buffer); - } - free(buffer); -} - -static void temperature(char *buffer, void *_temperature) -{ - temperature_t *temperature = _temperature; - union int_or_float val; - - switch (integer_or_float(buffer, &val)) { - /* C or F? Who knows? Let's default to Celsius */ - case INTEGER: - val.fp = val.i; - /* Fallthrough */ - case FLOAT: - /* Ignore zero. It means "none" */ - if (!val.fp) - break; - /* Celsius */ - if (val.fp < 50.0) { - temperature->mkelvin = (val.fp + 273.16) * 1000; - break; - } - /* Fahrenheit */ - if (val.fp < 212.0) { - temperature->mkelvin = (val.fp + 459.67) * 5000/9; - break; - } - /* Kelvin or already millikelvin */ - if (val.fp < 1000.0) - val.fp *= 1000; - temperature->mkelvin = val.fp; - break; - default: - printf("Strange temperature reading %s\n", buffer); - } - free(buffer); -} - -static void sampletime(char *buffer, void *_time) -{ - int i; - int min, sec; - duration_t *time = _time; - - 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); - } - 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) -{ - const char *last = last_part(name); - - if (match("pressure", last, pressure, buf, &sample->tankpressure)) - return; - if (match("cylpress", last, pressure, buf, &sample->tankpressure)) - return; - if (match("depth", last, depth, buf, &sample->depth)) - return; - if (match("temperature", last, temperature, buf, &sample->temperature)) - return; - if (match("sampletime", last, sampletime, buf, &sample->time)) - return; - if (match("time", last, sampletime, buf, &sample->time)) - return; - - nonmatch("sample", name, last, buf); -} - -/* 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) -{ - const char *last = last_part(name); - - if (match("date", last, divedate, buf, &dive->when)) - return; - if (match("time", last, divetime, buf, &dive->when)) - 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); -} - -static unsigned int dive_size(int samples) -{ - return sizeof(struct dive) + samples*sizeof(struct sample); -} - -/* - * File boundaries are dive boundaries. But sometimes 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. - */ -static void dive_start(void) -{ - unsigned int size; - - if (dive) - return; - - alloc_samples = 5; - size = dive_size(alloc_samples); - dive = malloc(size); - if (!dive) - exit(1); - memset(dive, 0, size); - 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)", - 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; -} - -static void sample_start(void) -{ - int nr; - - if (!dive) - return; - nr = dive->samples; - if (nr >= alloc_samples) { - unsigned int size; - - alloc_samples = (alloc_samples * 3)/2 + 10; - size = dive_size(alloc_samples); - dive = realloc(dive, size); - if (!dive) - return; - } - sample = dive->sample + nr; - memset(sample, 0, sizeof(*sample)); -} - -static void sample_end(void) -{ - if (!dive) - return; - - if (sample->time.seconds > dive->duration.seconds) { - if (sample->depth.mm) - dive->duration = sample->time; - } - - if (sample->depth.mm > dive->maxdepth.mm) - dive->maxdepth.mm = sample->depth.mm; - - sample = NULL; - dive->samples++; -} - -static void entry(const char *name, int size, const char *raw) -{ - char *buf = malloc(size+1); - - if (!buf) - return; - memcpy(buf, raw, size); - buf[size] = 0; - if (sample) { - try_to_fill_sample(sample, name, buf); - return; - } - if (dive) { - try_to_fill_dive(dive, name, buf); - return; - } -} - -static const char *nodename(xmlNode *node, char *buf, int len) -{ - if (!node || !node->name) - return "root"; - - buf += len; - *--buf = 0; - len--; - - for(;;) { - const char *name = node->name; - int i = strlen(name); - while (--i >= 0) { - unsigned char c = name[i]; - *--buf = tolower(c); - if (!--len) - return buf; - } - node = node->parent; - if (!node || !node->name) - return buf; - *--buf = '.'; - if (!--len) - return buf; - } -} - -#define MAXNAME 64 - -static void visit_one_node(xmlNode *node) -{ - int len; - const unsigned char *content; - char buffer[MAXNAME]; - const char *name; - - content = node->content; - if (!content) - return; - - /* Trim whitespace at beginning */ - while (isspace(*content)) - content++; - - /* Trim whitespace at end */ - len = strlen(content); - while (len && isspace(content[len-1])) - len--; - - if (!len) - return; - - /* Don't print out the node name if it is "text" */ - if (!strcmp(node->name, "text")) - node = node->parent; - - name = nodename(node, buffer, sizeof(buffer)); - - entry(name, len, content); -} - -static void traverse(xmlNode *node) -{ - xmlNode *n; - - for (n = node; n; n = n->next) { - /* XML from libdivecomputer: 'dive' per new dive */ - if (!strcmp(n->name, "dive")) { - dive_start(); - traverse(n->children); - dive_end(); - continue; - } - - /* - * At least both libdivecomputer and Suunto - * agree on "sample". - * - * Well - almost. Ignore case. - */ - if (!strcasecmp(n->name, "sample")) { - sample_start(); - traverse(n->children); - sample_end(); - continue; - } - - /* Anything else - just visit it and recurse */ - visit_one_node(n); - traverse(n->children); - } -} - -void parse_xml_file(const char *filename) -{ - xmlDoc *doc; - - doc = xmlReadFile(filename, NULL, 0); - if (!doc) { - fprintf(stderr, "Failed to parse '%s'.\n", filename); - return; - } - - dive_start(); - traverse(xmlDocGetRootElement(doc)); - dive_end(); - xmlFreeDoc(doc); - xmlCleanupParser(); -} - -void parse_xml_init(void) -{ - LIBXML_TEST_VERSION -} |