OpenSpace/src/scripting/lualibrary.cpp

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 * OpenSpace                                                                             *
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 * Copyright (c) 2014-2025                                                               *
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#include <openspace/scripting/lualibrary.h>

#include <ghoul/logging/logmanager.h>

namespace openspace::scripting {

bool LuaLibrary::operator<(const LuaLibrary& rhs) const {
    return name < rhs.name;
}

void LuaLibrary::merge(LuaLibrary rhs) {
    for (const LuaLibrary::Function& fun : rhs.functions) {
        const auto itf = std::find_if(
            functions.begin(),
            functions.end(),
            [&fun](const LuaLibrary::Function& function) {
                return fun.name == function.name;
            }
        );
        if (itf != functions.end()) {
            // the function with the desired name is already present, but we don't
            // want to overwrite it
            LERRORC(
                "LuaLibrary",
                std::format(
                    "Lua function '{}' in library '{}' has been defined twice",
                    fun.name, rhs.name
                )
            );
            return;
        }
        else {
            functions.push_back(fun);
        }
    }

    for (LuaLibrary s : rhs.subLibraries) {
        if (s.name.empty()) {
            LERRORC("LuaLibrary", "Sublibraries must have a non-empty name");
        }

        auto it = std::find_if(
            subLibraries.begin(), subLibraries.end(),
            [&s](const LuaLibrary& lib) { return lib.name == s.name; }
        );
        if (it == subLibraries.end()) {
            subLibraries.push_back(std::move(s));
        }
        else {
            it->merge(std::move(s));
        }
    }

    for (const std::filesystem::path& script : rhs.scripts) {
        scripts.push_back(script);
    }
}

} // namespace openspace::scripting