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validator: implement dependencies-handling for objects

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This commit is contained in:
Patrick Boettcher 2016-12-23 11:07:21 +01:00
parent ccc72e3673
commit 7daee089ca
1 changed files with 36 additions and 8 deletions
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44
src/json-schema-validator.hpp
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@ -185,8 +185,6 @@ class json_validator
void validate_object(json &instance, const json &schema, const std::string &name) void validate_object(json &instance, const json &schema, const std::string &name)
{ {
not_yet_implemented(schema, "dependencies", "object");
validate_type(schema, "object", name); validate_type(schema, "object", name);
json properties = {}; json properties = {};
@ -280,15 +278,45 @@ class json_validator
}; };
} }
// check for required elements which are not present // required
const auto &required = schema.find("required"); const auto &required = schema.find("required");
if (required == schema.end()) if (required != schema.end())
for (const auto &element : required.value()) {
if (instance.find(element) == instance.end()) {
throw std::invalid_argument("required element '" + element.get<std::string>() +
"' not found in object '" + name + "'");
}
}
// dependencies
const auto &dependencies = schema.find("dependencies");
if (dependencies == schema.end())
return; return;
for (const auto &element : required.value()) { for (auto dep = dependencies.value().cbegin();
if (instance.find(element) == instance.end()) { dep != dependencies.value().cend();
throw std::invalid_argument("required element '" + element.get<std::string>() + ++dep) {
"' not found in object '" + name + "'");
// property not present in this instance - next
if (instance.find(dep.key()) == instance.end())
continue;
std::string sub_name = name + ".dependency-of-" + dep.key();
switch (dep.value().type()) {
case json::value_t::object:
validate(instance, dep.value(), sub_name);
break;
case json::value_t::array:
for (const auto &prop: dep.value())
if (instance.find(prop) == instance.end())
throw std::invalid_argument("failed dependency for " + sub_name + ". Need property " + prop.get<std::string>());
break;
default:
break;
} }
} }
} }