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Forgot to implement "in" and "!in"

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This commit is contained in:
Eric Fischer 2017-08-28 14:35:07 -07:00
parent 754cbdc634
commit 1581b79a3e
1 changed files with 53 additions and 0 deletions
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53
evaluator.cpp
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@ -197,6 +197,59 @@ bool eval(std::map<std::string, mvt_value> const &feature, json_object *f) {
}
}
if (strcmp(f->array[0]->string, "in") == 0 ||
strcmp(f->array[0]->string, "!in") == 0) {
if (f->length < 2) {
fprintf(stderr, "Array too small in filter: %s\n", json_stringify(f));
exit(EXIT_FAILURE);
}
if (f->array[1]->type != JSON_STRING) {
fprintf(stderr, "\"!has\" key is not a string: %s\n", json_stringify(f));
exit(EXIT_FAILURE);
}
auto ff = feature.find(std::string(f->array[1]->string));
if (ff == feature.end()) {
static bool warned = false;
if (!warned) {
const char *s = json_stringify(f);
fprintf(stderr, "Warning: attribute not found for comparison: %s\n", s);
free((void *) s);
warned = true;
}
return false; // not found: comparison is false
}
bool found = false;
for (size_t i = 2; i < f->length; i++) {
bool fail = false;
int cmp = compare(ff->second, f->array[i], fail);
if (fail) {
static bool warned = false;
if (!warned) {
const char *s = json_stringify(f);
fprintf(stderr, "Warning: mismatched type in comparison: %s\n", s);
free((void *) s);
warned = true;
}
cmp = 1;
}
if (cmp == 0) {
found = true;
break;
}
}
if (strcmp(f->array[0]->string, "in") == 0) {
return found;
} else {
return !found;
}
}
fprintf(stderr, "Unknown filter %s\n", json_stringify(f));
exit(EXIT_FAILURE);
}