poodinis/source/poodinis/imports.d

/**
 * This module contains instance factory facilities
 *
 * Authors:
 *  Mike Bierlee, m.bierlee@lostmoment.com
 * Copyright: 2014-2022 Mike Bierlee
 * License:
 *  This software is licensed under the terms of the MIT license.
 *  The full terms of the license can be found in the LICENSE file.
 */

module poodinis.imports;

import std.meta : staticIndexOf;
import std.traits : moduleName, TemplateArgsOf, isBuiltinType, isType;

public static string createImportsString(Type, ParentTypeList...)()
{
    string imports = `import ` ~ moduleName!Type ~ `;`;
    static if (__traits(compiles, TemplateArgsOf!Type))
    {
        foreach (TemplateArgType; TemplateArgsOf!Type)
        {
            static if (isType!TemplateArgType &&
                (!isBuiltinType!TemplateArgType && staticIndexOf!(TemplateArgType, ParentTypeList) == -1))
            {
                imports ~= createImportsString!(TemplateArgType, ParentTypeList, Type);
            }
        }
    }

    return imports;
}