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Initial code to import CSV log files

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This patch implements basic functionality to import CSV formatted log
profiles to Subsurface. The import includes time, depth and temperature
from AP Logviewer based on one sample log file I have received. It is
assumed that dive time is the first parameter and depth second.

Temperature is given as a parameter from C source (hard coded currently
to field 15) but we should have a GUI implemented for selecting the
wanted fields.

The two different sample logs of CSV dive log export I have received use
tabulator as field separator. I assume the possible GUI should have
option for the FS as well to be given as parameter to the XSLT.

[Dirk Hohndel: small fix to the error string malloc]

Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Miika Turkia 2013-09-29 15:44:38 +03:00 • committed by Dirk Hohndel
parent adefc8805a
commit ba5b5c3952
3 changed files with 169 additions and 3 deletions
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39
file.c
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@ -97,6 +97,36 @@ static int try_to_open_zip(const char *filename, struct memblock *mem, char **er
return success;
}
static int try_to_xslt_open_csv(const char *filename, struct memblock *mem, char **error)
{
char *buf;
if (readfile(filename, mem) < 0) {
if (error) {
int len = strlen(_("Failed to read '%s'")) + strlen(filename);
*error = malloc(len);
snprintf(*error, len, _("Failed to read '%s'"), filename);
}
return 1;
}
/* Surround the CSV file content with XML tags to enable XSLT
* parsing
*/
buf = realloc(mem->buffer, mem->size + strlen("<csv></csv>"));
if (buf != NULL) {
memmove(buf + 5, mem->buffer, mem->size);
memcpy(buf, "<csv>", 5);
memcpy(mem->buffer + mem->size + 5, "</csv>", 7);
mem->buffer = buf;
mem->size += strlen("<csv></csv>");
} else
return 1;
return 0;
}
static int try_to_open_db(const char *filename, struct memblock *mem, char **error)
{
return parse_dm4_buffer(filename, mem->buffer, mem->size, &dive_table, error);
@ -229,6 +259,10 @@ static int open_by_filename(const char *filename, const char *fmt, struct memblo
if (!strcasecmp(fmt, "SDE") || !strcasecmp(fmt, "ZIP") || !strcasecmp(fmt, "DLD"))
return try_to_open_zip(filename, mem, error);
/* CSV files */
if (!strcasecmp(fmt, "CSV"))
return try_to_xslt_open_csv(filename, mem, error);
#if ONCE_COCHRAN_IS_SUPPORTED
/* Truly nasty intentionally obfuscated Cochran Anal software */
if (!strcasecmp(fmt, "CAN"))
@ -266,8 +300,9 @@ void parse_file(const char *filename, char **error)
return;
if (error) {
*error = malloc(1024);
snprintf(*error, 1024, _("Failed to read '%s'"), filename);
int len = strlen(_("Failed to read '%s'")) + strlen(filename);
*error = malloc(len);
snprintf(*error, len, _("Failed to read '%s'"), filename);
}
return;