message cfg {
    int32 id = 1;
    plain_message plain_msg = 2;
    repeated int32 plain_arr = 3;
}

message plain_message {
    int32 id = 1;
    repeated int32 param = 2;
}

// 常量类型
enum cost_type {
    EN_CT_UNKNOWN              = 0;
    EN_CT_MONEY                = 10001 [(org.xresloader.enum_alias) = "金币"];
    EN_CT_DIAMOND              = 10101 [(org.xresloader.enum_alias) = "钻石"];
}
message cfg {
  int32 id = 1;
  oneof reward {
    plain_message msg       = 11 [ (org.xresloader.field_alias) = "嵌套结构" ];
    int64         user_exp  = 12 [ (org.xresloader.field_alias) = "数字类型" ];
    string        note      = 13 [ (org.xresloader.field_alias) = "描述文本" ];
    cost_type     enum_type = 14 [ (org.xresloader.field_alias) = "货币类型" ];
  }
}
message plain_message {
    int32 id = 1;
    repeated int32 param = 2;
}

message dep2_cfg {
    uint32 id = 1;
    string level = 2;
}
message arr_in_arr_cfg {
    option (org.xresloader.ue.helper)       = "helper";
    option (org.xresloader.msg_description) = "Test arr_in_arr_cfg";

    uint32   id                       = 1 [ (org.xresloader.ue.key_tag) = 1, (org.xresloader.field_description) = "This is a Key" ];
    map<int32, string>    test_map_is = 7;
    map<string, dep2_cfg> test_map_sm = 8 [ (org.xresloader.field_separator) = "|" ]; 
}

USTRUCT(BlueprintType)
struct FArrInArrCfg : public FTableRowBase
{
    GENERATED_USTRUCT_BODY()

    // Start of fields
    /** Field Type: STRING, Name: Name, Index: 0. This field is generated for UE Editor compatible. **/
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "XResConfig")
    FName Name;

    // This is a Key
    /** Field Type: INT, Name: Id, Index: 1 **/
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "XResConfig")
    int32 Id;

    /** Field Type: MESSAGE, Name: TestMapIs, Index: 7 **/
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "XResConfig")
    TMap< int32, FString > TestMapIs;

    /** Field Type: MESSAGE, Name: TestMapSm, Index: 8 **/
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "XResConfig")
    TMap< FString, FDep2Cfg > TestMapSm;

};

syntax = "proto3";

import "xresloader.proto";
import "xresloader_ue.proto";

import "xrescode_extensions_v3.proto";

message role_upgrade_cfg {
    option (org.xresloader.ue.helper)       = "helper";
    option (org.xresloader.msg_description) = "Test role_upgrade_cfg with multi keys";

    option (xrescode.loader) = {
        file_path : "role_upgrade_cfg.bytes"
        indexes : {
            fields : "Id"
            index_type : EN_INDEX_KL // Key - List index: (Id) => list<role_upgrade_cfg>
        }
        indexes : {
            fields : "Id"
            fields : "Level"
            index_type : EN_INDEX_KV // Key - Value index: (Id, Level) => role_upgrade_cfg
        }
        tags : "client"
        tags : "server"
    };

    uint32 Id        = 1 [ (org.xresloader.ue.key_tag) = 1000 ];
    uint32 Level     = 2 [ (org.xresloader.ue.key_tag) = 1 ];
    uint32 CostType  = 3 [ (org.xresloader.verifier) = "cost_type", (org.xresloader.field_description) = "Refer to cost_type" ];
    int32  CostValue = 4;
    int32  ScoreAdd  = 5;
}

namespace excel {
    class config_set_role_upgrade_cfg {
    public:
        typedef const ::role_upgrade_cfg item_type;
        typedef ::role_upgrade_cfg proto_type;
        typedef std::shared_ptr<item_type> item_ptr_type;

        // 省略掉一些加载代码 ...

        // ------------------------- index: id -------------------------
    public:
        typedef std::vector<item_ptr_type> id_value_type;
        const id_value_type* get_list_by_id(uint32_t Id);
        item_ptr_type get_by_id(uint32_t Id, size_t index);
    private:
        const id_value_type* _get_list_by_id(uint32_t Id);
    public:
        typedef std::map<std::tuple<uint32_t>, id_value_type> id_container_type;
        const id_container_type& get_all_of_id() const;

    private:
        id_container_type id_data_;

        // ------------------------- index: id_level -------------------------
    public:
        typedef item_ptr_type id_level_value_type;
        id_level_value_type get_by_id_level(uint32_t Id, uint32_t Level);
        typedef std::map<std::tuple<uint32_t, uint32_t>, id_level_value_type> id_level_container_type;
        const id_level_container_type& get_all_of_id_level() const;

    private:
        id_level_container_type id_level_data_;
    };
}

#include <cstdio>

#include "config_manager.h"
#include "config_easy_api.h"

int main() {
    // Initialize ....
    excel::config_manager::me()->init();

    // Call reload to generate a configure group
    excel::config_manager::me()->reload();

    // Now you can load data by easy api or config_manager's raw API
    auto cfg = excel::get_role_upgrade_cfg_by_id_level(10001, 3); // using the Key-Value index: id_level
    if (cfg) {
        printf("%s\n", cfg->DebugString().c_str());
    }
    return 0;
}

module("DataTableCustomIndex", package.seeall)
--
-- generated by xrescode on 2020-05-07 18:12:18, please don't edit it
--

-- ======================================== role_upgrade_cfg ========================================
role_upgrade_cfg = {
    -- require("DataTableService").Get("role_upgrade_cfg"):GetByIndex("id", "Id")
    { indexName = "id", filePath = "role_upgrade_cfg.bytes", options = { isList = true, allowNotFound = true }, keys = { "Id" } },
    -- require("DataTableService").Get("role_upgrade_cfg"):GetByIndex("id_level", "Id", "Level")
    { indexName = "id_level", filePath = "role_upgrade_cfg.bytes", options = { isList = false, allowNotFound = true }, keys = { "Id", "Level" } },
}

-- We will use require(...) to load DataTableService53,DataTableCustomIndex53 and custom data files, please ensure these can be load by require(FILE_PATH)
-- Assuming the generated lua files by xresloader is located at ../../../xresloader/sample/proto_v3
package.path = '../../../xresloader/sample/proto_v3/?.lua;' .. package.path
local excel_config_service = require('DataTableService53')

-- Set logger
-- excel_config_service:OnError = function (message, index, indexName, keys...) end

excel_config_service:ReloadTables()

local role_upgrade_cfg = excel_config_service:Get("role_upgrade_cfg")
local data = role_upgrade_cfg:GetByIndex("id_level", 10001, 3) -- using the Key-Value index: id_level
for k,v in pairs(data) do
    print(string.format("%s=%s", k, tostring(v)))
end

-- We can also use DataTableService.GetCurrentGroup(self) and DataTableService.GetByGroup(self, group, loader_name) to support multi-version loader
local current_group = excel_config_service:GetCurrentGroup()
local role_upgrade_cfg2 = excel_config_service:GetByGroup(current_group, "role_upgrade_cfg")
local data2 = role_upgrade_cfg:GetByIndex("id", 10001) -- using the Key-List index: id
print("=======================")
for _,v1 in ipairs(data2) do
    print(string.format("\tid: %s, level: %s", tostring(v1.Id), tostring(v1.Level)))
    for k,v2 in pairs(v1) do
        print(string.format("\t\t%s=%s", k, tostring(v2)))
    end
end

using System;
using excel;
class Program {
    static void Main(string[] args) {
        ConfigSetManager.Instance.Reload();
        // The C# configSet now generated by Singleton Classes.
        // For the multi ConfigGroup management may be added when need.
        var table = config_set_role_upgrade_cfg.Instance.GetByIdLevel(10001, 3);
        if (table != null) {
            Console.WriteLine(table.ToString());
        }
    }
}