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Geo taxonomy: correctly store / update the categories

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Don't throw away data unless new data has been received. And don't store
multiple copies of the same category. And most importantly, never write
past the end of the array.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-07-13 15:18:52 -07:00
parent 94d3aa04dc
commit e82f8ea565
3 changed files with 37 additions and 13 deletions
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39
divesitehelpers.cpp
View file

@ -86,8 +86,20 @@ void ReverseGeoLookupThread::run() {
if (geoNames.count() > 0) {
QVariantMap firstData = geoNames.at(0).toMap();
int ri = 0, l3 = -1, lt = -1;
if (ds->taxonomy.category == NULL)
if (ds->taxonomy.category == NULL) {
ds->taxonomy.category = alloc_taxonomy();
} else {
// clear out the data (except for the ocean data)
int ocean;
if ((ocean = taxonomy_index_for_category(&ds->taxonomy, TC_OCEAN)) > 0) {
ds->taxonomy.category[0] = ds->taxonomy.category[ocean];
ds->taxonomy.nr = 1;
} else {
// ocean is -1 if there is no such entry, and we didn't copy above
// if ocean is 0, so the following gets us the correct count
ds->taxonomy.nr = ocean + 1;
}
}
// get all the data - OCEAN is special, so start at COUNTRY
for (int j = TC_COUNTRY; j < TC_NR_CATEGORIES; j++) {
if (firstData[taxonomy_api_names[j]].isValid()) {
@ -98,12 +110,9 @@ void ReverseGeoLookupThread::run() {
ri++;
}
}
for (int j = ri - 1; j >= 0; j--) {
if (ds->taxonomy.category[j].category == TC_ADMIN_L3)
l3 = j;
else if (ds->taxonomy.category[j].category == TC_LOCALNAME)
lt = j;
}
ds->taxonomy.nr = ri;
l3 = taxonomy_index_for_category(&ds->taxonomy, TC_ADMIN_L3);
lt = taxonomy_index_for_category(&ds->taxonomy, TC_LOCALNAME);
if (l3 == -1 && lt != -1) {
// basically this means we did get a local name (what we call town), but just like most places
// we didn't get an adminName_3 - which in some regions is the actual city that town belongs to,
@ -111,9 +120,8 @@ void ReverseGeoLookupThread::run() {
ds->taxonomy.category[ri].value = copy_string(ds->taxonomy.category[lt].value);
ds->taxonomy.category[ri].origin = taxonomy::COPIED;
ds->taxonomy.category[ri].category = TC_ADMIN_L3;
ri++;
ds->taxonomy.nr++;
}
ds->taxonomy.nr = ri;
mark_divelist_changed(true);
} else {
report_error("geonames.org did not provide reverse lookup information");
@ -150,12 +158,19 @@ void ReverseGeoLookupThread::run() {
QVariant oceanObject = obj.value("ocean").toVariant();
QVariantMap oceanName = oceanObject.toMap();
if (oceanName["name"].isValid()) {
int idx;
if (ds->taxonomy.category == NULL)
ds->taxonomy.category = alloc_taxonomy();
ds->taxonomy.category[ds->taxonomy.nr].category = TC_OCEAN;
ds->taxonomy.category[ds->taxonomy.nr].origin = taxonomy::GEOCODED;
ds->taxonomy.category[ds->taxonomy.nr].value = copy_string(qPrintable(oceanName["name"].toString()));
idx = taxonomy_index_for_category(&ds->taxonomy, TC_OCEAN);
if (idx == -1)
idx = ds->taxonomy.nr;
if (idx < TC_NR_CATEGORIES) {
ds->taxonomy.category[idx].category = TC_OCEAN;
ds->taxonomy.category[idx].origin = taxonomy::GEOCODED;
ds->taxonomy.category[idx].value = copy_string(qPrintable(oceanName["name"].toString()));
if (idx == ds->taxonomy.nr)
ds->taxonomy.nr++;
}
mark_divelist_changed(true);
}
} else {

8
taxonomy.c
View file

@ -38,3 +38,11 @@ void free_taxonomy(struct taxonomy_data *t)
t->nr = 0;
}
}
int taxonomy_index_for_category(struct taxonomy_data *t, enum taxonomy_category cat)
{
for (int i = 0; i < t->nr; i++)
if (t->category[i].category == cat)
return i;
return -1;
}

1
taxonomy.h
View file

@ -33,6 +33,7 @@ struct taxonomy_data {
struct taxonomy *alloc_taxonomy();
void free_taxonomy(struct taxonomy_data *t);
int taxonomy_index_for_category(struct taxonomy_data *t, enum taxonomy_category cat);
#ifdef __cplusplus
}