llama.cpp/common/json-schema-to-grammar.h

44 lines
1.4 KiB
C++

#pragma once
#include <nlohmann/json_fwd.hpp>
#include <functional>
#include <memory>
#include <string>
std::string json_schema_to_grammar(const nlohmann::ordered_json & schema,
bool force_gbnf = false);
class common_schema_converter;
// Probes a JSON schema to extract information about its structure and type constraints.
class common_schema_info {
std::unique_ptr<common_schema_converter> impl_;
public:
common_schema_info();
~common_schema_info();
common_schema_info(const common_schema_info &) = delete;
common_schema_info & operator=(const common_schema_info &) = delete;
common_schema_info(common_schema_info &&) noexcept;
common_schema_info & operator=(common_schema_info &&) noexcept;
void resolve_refs(nlohmann::ordered_json & schema);
bool resolves_to_string(const nlohmann::ordered_json & schema);
};
struct common_grammar_builder {
std::function<std::string(const std::string &, const std::string &)> add_rule;
std::function<std::string(const std::string &, const nlohmann::ordered_json &)> add_schema;
std::function<void(nlohmann::ordered_json &)> resolve_refs;
};
struct common_grammar_options {
bool dotall = false;
};
std::string gbnf_format_literal(const std::string & literal);
std::string build_grammar(const std::function<void(const common_grammar_builder &)> & cb, const common_grammar_options & options = {});