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grammar : support array references in json schema (#16792)

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* grammar : support array references in json schema

* Update json-schema-to-grammar.cpp

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

* grammar : improve regex when naming ref derived rules

* grammar : replace non-conformant definitions array with anyOf test case

---------

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
This commit is contained in:
Aldehir Rojas
2025-10-28 03:37:52 -05:00
committed by GitHub
parent 3479efd112
commit 280d97be96
4 changed files with 87 additions and 18 deletions
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22
common/json-schema-to-grammar.cpp
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@@ -601,7 +601,10 @@ private:
}
std::string _resolve_ref(const std::string & ref) {
std::string ref_name = ref.substr(ref.find_last_of('/') + 1);
auto it = ref.find('#');
std::string ref_fragment = it != std::string::npos ? ref.substr(it + 1) : ref;
static const std::regex nonalphanumeric_regex(R"([^a-zA-Z0-9-]+)");
std::string ref_name = "ref" + std::regex_replace(ref_fragment, nonalphanumeric_regex, "-");
if (_rules.find(ref_name) == _rules.end() && _refs_being_resolved.find(ref) == _refs_being_resolved.end()) {
_refs_being_resolved.insert(ref);
json resolved = _refs[ref];
@@ -774,11 +777,24 @@ public:
std::vector<std::string> tokens = string_split(pointer, "/");
for (size_t i = 1; i < tokens.size(); ++i) {
std::string sel = tokens[i];
if (target.is_null() || !target.contains(sel)) {
if (target.is_object() && target.contains(sel)) {
target = target[sel];
} else if (target.is_array()) {
size_t sel_index;
try {
sel_index = std::stoul(sel);
} catch (const std::invalid_argument & e) {
sel_index = target.size();
}
if (sel_index >= target.size()) {
_errors.push_back("Error resolving ref " + ref + ": " + sel + " not in " + target.dump());
return;
}
target = target[sel_index];
} else {
_errors.push_back("Error resolving ref " + ref + ": " + sel + " not in " + target.dump());
return;
}
target = target[sel];
}
_refs[ref] = target;
}