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Cleanup: return cylinder from cylinder_start() in parser

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Most callers of this function accessed the newly generated cylinder
immediately after calling this function. Thus, for convenience,
return the added cylinder. This avoids a number of verbose expressions.

On the flip side, cylinder_start() now has to be cast to
function returning void in a the "nesting" function table.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-08-04 18:59:14 +02:00 • committed by Dirk Hohndel
parent 7c9f46acd2
commit 8df3705152
7 changed files with 15 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

12
core/parse-xml.c
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@ -1560,13 +1560,14 @@ static void uddf_importer(struct parser_state *state)
state->xml_parsing_units.temperature = KELVIN;
}
typedef void (*parser_func)(struct parser_state *);
/*
* I'm sure this could be done as some fancy DTD rules.
* It's just not worth the headache.
*/
static struct nesting {
const char *name;
void (*start)(struct parser_state *), (*end)(struct parser_state *);
parser_func start, end;
} nesting[] = {
{ "divecomputerid", dc_settings_start, dc_settings_end },
{ "settings", settings_start, settings_end },
@ -1579,9 +1580,9 @@ static struct nesting {
{ "SAMPLE", sample_start, sample_end },
{ "reading", sample_start, sample_end },
{ "event", event_start, event_end },
{ "mix", cylinder_start, cylinder_end },
{ "gasmix", cylinder_start, cylinder_end },
{ "cylinder", cylinder_start, cylinder_end },
{ "mix", (parser_func)cylinder_start, (parser_func)cylinder_end },
{ "gasmix", (parser_func)cylinder_start, (parser_func)cylinder_end },
{ "cylinder", (parser_func)cylinder_start, (parser_func)cylinder_end },
{ "weightsystem", ws_start, ws_end },
{ "divecomputer", divecomputer_start, divecomputer_end },
{ "P", sample_start, sample_end },
@ -1910,8 +1911,7 @@ int parse_dlf_buffer(unsigned char *buffer, size_t size, struct dive_table *tabl
}
}
if (!found) {
cylinder_start(&state);
cylinder_t *cyl = &state.cur_dive->cylinders.cylinders[state.cur_dive->cylinders.nr - 1];
cyl = cylinder_start(&state);
cyl->gasmix.o2.permille = ptr[6] * 10;
cyl->gasmix.he.permille = ptr[7] * 10;
cylinder_end(&state);