jasc_pal_saver.cpp

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#include "porytiles/infra/services/jasc_pal_saver.hpp"
 
#include <fstream>
 
#include "porytiles/utilities/result/chainable_result.hpp"
 
namespace porytiles {
 
ChainableResult<void>
JascPalSaver::save(const Palette<Rgba32, pal::max_size> &pal, const std::filesystem::path &path) const
{
    // Open in binary so "\r\n" are explicitly written as CRLF on all platforms
    std::ofstream stream{path, std::ios::binary};
    if (!stream.is_open()) {
        return FormattableError{"'{}': Failed to open for writing.", FormatParam{path.string(), Style::bold}};
    }
 
    // JASC-PAL spec uses \r\n, matching vanilla pokeemerald. Could be made configurable if LF output is ever requested.
    stream << "JASC-PAL\r\n";
    stream << "0100\r\n";
    stream << pal.size() << "\r\n";
 
    for (std::size_t i = 0; i < pal.size(); i++) {
        if (pal.is_wildcard(i)) {
            stream << "*\r\n";
        }
        else {
            stream << pal.at(i).to_jasc_str() << "\r\n";
        }
    }
 
    if (stream.fail()) {
        return FormattableError{"'{}': Failed to write.", FormatParam{path.string(), Style::bold}};
    }
 
    return {};
}
 
} // namespace porytiles