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authorGravatar Linus Torvalds <torvalds@linux-foundation.org>2011-09-01 10:09:53 -0700
committerGravatar Linus Torvalds <torvalds@linux-foundation.org>2011-09-01 10:09:53 -0700
commit4350a75b9455387c0da36b9b52349a858d8fca9c (patch)
tree5f856547c604ba394ebe99b13a3f20c5675b7694 /parse.c
parentfeec55504084baf022517d39e72431b4d361a217 (diff)
downloadsubsurface-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.c593
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
-}