luo980/json-schema-validator
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📚️ raise error when trying to change a read only value

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This commit is contained in:
OpSocket 2022-08-19 17:51:48 -04:00
parent 4f67636760
commit f472bcca1e
1 changed files with 16 additions and 1 deletions
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17
src/json-validator.cpp
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@ -457,6 +457,7 @@ class type_schema : public schema
std::vector<std::shared_ptr<schema>> type_; std::vector<std::shared_ptr<schema>> type_;
std::pair<bool, json> enum_, const_; std::pair<bool, json> enum_, const_;
std::vector<std::shared_ptr<schema>> logic_; std::vector<std::shared_ptr<schema>> logic_;
bool read_only_ = false;
static std::shared_ptr<schema> make(json &schema, static std::shared_ptr<schema> make(json &schema,
json::value_t type, json::value_t type,
@ -507,6 +508,13 @@ class type_schema : public schema
else_->validate(ptr, instance, patch, e); else_->validate(ptr, instance, patch, e);
} }
} }
// enforce default value if any read only values
if(read_only_) {
auto rod_value = default_value(ptr, instance, e);
if(rod_value != nullptr && instance != rod_value)
e.error(ptr, instance, "key is read-only");
}
} }
public: public:
@ -562,6 +570,12 @@ public:
sch.erase(attr); sch.erase(attr);
} }
attr = sch.find("readOnly");
if (attr != sch.end()) {
read_only_ = attr.value().get<bool>();
sch.erase(attr);
}
for (auto &key : known_keywords) for (auto &key : known_keywords)
sch.erase(key); sch.erase(key);
@ -1327,7 +1341,7 @@ class throwing_error_handler : public error_handler
{ {
void error(const json::json_pointer &ptr, const json &instance, const std::string &message) override void error(const json::json_pointer &ptr, const json &instance, const std::string &message) override
{ {
throw std::invalid_argument(std::string("At ") + ptr.to_string() + " of " + instance.dump() + " - " + message + "\n"); throw std::invalid_argument(std::string("At \"") + ptr.to_string() + "\" with a value of " + instance.dump() + " - " + message + "\n");
} }
}; };
@ -1402,3 +1416,4 @@ json json_validator::validate(const json &instance, error_handler &err, const js
} // namespace json_schema } // namespace json_schema
} // namespace nlohmann } // namespace nlohmann