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#ifndef TAKANE_STRING_FACTOR_HPP
#define TAKANE_STRING_FACTOR_HPP
#include <string>
#include <stdexcept>
#include <filesystem>
#include "ritsuko/hdf5/hdf5.hpp"
#include "utils_public.hpp"
#include "utils_string.hpp"
#include "utils_factor.hpp"
/**
* @file string_factor.hpp
* @brief Validation for string factors.
*/
namespace takane {
/**
* @namespace takane::string_factor
* @brief Definitions for string factors.
*/
namespace string_factor {
/**
* @param path Path to the directory containing the string factor.
* @param metadata Metadata for the object, typically read from its `OBJECT` file.
* @param options Validation options.
*/
inline void validate(const std::filesystem::path& path, const ObjectMetadata& metadata, Options& options) {
auto vstring = internal_json::extract_version_for_type(metadata.other, "string_factor");
auto version = ritsuko::parse_version_string(vstring.c_str(), vstring.size(), /* skip_patch = */ true);
if (version.major != 1) {
throw std::runtime_error("unsupported version string '" + vstring + "'");
}
auto handle = ritsuko::hdf5::open_file(path / "contents.h5");
auto ghandle = ritsuko::hdf5::open_group(handle, "string_factor");
internal_factor::check_ordered_attribute(ghandle);
size_t num_levels = internal_factor::validate_factor_levels(ghandle, "levels", options.hdf5_buffer_size);
size_t num_codes = internal_factor::validate_factor_codes(ghandle, "codes", num_levels, options.hdf5_buffer_size);
internal_string::validate_names(ghandle, "names", num_codes, options.hdf5_buffer_size);
}
/**
* @param path Path to the directory containing the string factor.
* @param metadata Metadata for the object, typically read from its `OBJECT` file.
* @param options Validation options.
* @return Length of the factor.
*/
inline size_t height(const std::filesystem::path& path, [[maybe_unused]] const ObjectMetadata& metadata, [[maybe_unused]] Options& options) {
auto handle = ritsuko::hdf5::open_file(path / "contents.h5");
auto ghandle = handle.openGroup("string_factor");
auto dhandle = ghandle.openDataSet("codes");
return ritsuko::hdf5::get_1d_length(dhandle.getSpace(), false);
}
}
}
#endif
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