MT4に指標を表示するインジケーター　ソースコード付き

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指標全件と、直近24時間の切り替え機能をつけてあります。

全件モード

直近24時間モード

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check_sihyo_indicator.zip

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ソースコード

//+------------------------------------------------------------------+
//|                                                         指標確認.mq4 |
//|                                  Copyright 2023, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2023, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"
#property strict
#property indicator_chart_window


enum all_or_day {ALL, DAY}; // 追加
input all_or_day displayOption = DAY; // 追加


#import "wininet.dll"
int InternetOpenW(string agent, int accessType, string proxyName, string proxyByPass, int flags);
int InternetConnectW(int internet, string serverName, int port, string userName, string password, int service, int flags, int context);
int HttpOpenRequestW(int connect, string verb, string objectName, string version, string referer, char& acceptTypes[], uint flags, int context);
bool HttpSendRequestW(int hRequest, string &lpszHeaders, int dwHeadersLength, uchar &lpOptional[], int dwOptionalLength);
int InternetReadFile(int, uchar &arr[], int, int &byte);
int InternetCloseHandle(int winINet);
#import

#define DEFAULT_HTTPS_PORT 443
#define SERVICE_HTTP 3
#define FLAG_SECURE 0x00800000
#define FLAG_PRAGMA_NOCACHE 0x00000100
#define FLAG_KEEP_CONNECTION 0x00400000
#define FLAG_RELOAD 0x80000000

string your_url = "us-central1-optical-legend-324601.cloudfunctions.net";
string your_endpoint = "/sihyou";

#import "kernel32.dll"
int MultiByteToWideChar(uint CodePage, uint dwFlags, string lpMultiByteStr, int cbMultiByte, string lpWideCharStr, int cchWideChar);
#import

#define CP_UTF8 65001

string GetDataFromServer() {
   string host = your_url;
   string UserAgent = "MT4 Indicator";
   string nill = "";
   int session = InternetOpenW(UserAgent, 0, nill, nill, 0);
   int connect = InternetConnectW(session, host, DEFAULT_HTTPS_PORT, nill, nill, SERVICE_HTTP, 0, 0);
   string Vers    = "HTTP/1.1";
   string Method    = "GET";
   string Object  = your_endpoint;
   string Types = "";
   char acceptTypes[];
   StringToCharArray(Types, acceptTypes);
   int context = 0;
   int hRequest = HttpOpenRequestW(connect, Method, Object, Vers, nill, acceptTypes,  FLAG_SECURE | FLAG_KEEP_CONNECTION | FLAG_RELOAD | FLAG_PRAGMA_NOCACHE, context);
   string headers = "Content-Type: application/x-www-form-urlencoded\r\n";
   uchar body[];
   int dwHeadersLength = 0;
   int dwOptionalLength = 0;
   bool hSend = HttpSendRequestW(hRequest, headers, dwHeadersLength, body, dwOptionalLength);
   uchar ch[100];
   string toStr = "";
   int dwBytes;
   
   while(InternetReadFile(hRequest, ch, 100, dwBytes)) {
      if(dwBytes <= 0) break;
      toStr += CharArrayToString(ch, 0, dwBytes,CP_UTF8);
   }
   InternetCloseHandle(hSend);
   InternetCloseHandle(hRequest);
   InternetCloseHandle(connect);
   InternetCloseHandle(session);
   
   return toStr;
}

// テキストオブジェクトを作成する関数
void CreateObject(string name, string text, int row, int col) {
   ObjectCreate(0, name, OBJ_LABEL, 0, 0, 0);
   ObjectSetInteger(0, name, OBJPROP_XDISTANCE, col);
   ObjectSetInteger(0, name, OBJPROP_YDISTANCE, 30 + row * 25);
   ObjectSetText(name, text, 12, "MS Gothic", clrWhite);
}

// CSVデータを解析する関数
void ParseCSVData(string csvData) {
    int start = 0;
    int end = 0;
    int row = 0;
    datetime currentTime = getJapanTime();

    while (start < StringLen(csvData)) {
        end = StringFind(csvData, "\n", start);
        if (end == -1) end = StringLen(csvData); // 最後の行の場合

        string line = StringSubstr(csvData, start, end - start);

        string date, time, country, eventName, importance;
        date = StringSubstr(line, 0, StringFind(line, ","));
        line = StringSubstr(line, StringFind(line, ",") + 1);
        time = StringSubstr(line, 0, StringFind(line, ","));
        line = StringSubstr(line, StringFind(line, ",") + 1);
        country = StringSubstr(line, 0, StringFind(line, ",") );
        line = StringSubstr(line, StringFind(line, ",") + 1);
        eventName = StringSubstr(line, 0, StringFind(line, ","));
        line = StringSubstr(line, StringFind(line, ",") + 1);
        importance = StringSubstr(line, StringFind(line, ",") + 1);

        // DAYオプションが選択された場合、現在の時間の前後24時間のデータのみを表示
        if (displayOption == DAY) {
            datetime currentYear = TimeYear(TimeCurrent());
            string yearStr = IntegerToString(currentYear);
            string month = StringSubstr(date, 0, StringFind(date, "/"));
            string day = StringSubstr(date, StringFind(date, "/") + 1, StringFind(date, "(") - StringFind(date, "/") - 1);
            datetime eventTime = StrToTime(yearStr + "." + month + "." + day + " " + time);
            
            if (MathAbs(currentTime - eventTime) > 24 * 60 * 60) {
                start = end + 1;
                continue;
            }
        }

        CreateObject("Date" + IntegerToString(row), date, row, 0);
        CreateObject("Time" + IntegerToString(row), time, row, 150);
        CreateObject("Country" + IntegerToString(row), country, row, 250);
        CreateObject("EventName" + IntegerToString(row), eventName, row, 350);
        CreateObject("Importance" + IntegerToString(row), importance, row, 550);

        start = end + 1;
        row++;
    }
}

int OnInit() {
    string data = GetDataFromServer();
    Print("Received data from server: ", data);

    ParseCSVData(data);

    return(INIT_SUCCEEDED);
}

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
  {
//---
   
//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+


enum use_times {
   GMT9, //WindowsPCの時間を使って計算する
   GMT9_BACKTEST, // EAで計算された時間を使う（バックテスト用）
   GMT_KOTEI// サーバータイムがGMT+0で固定されている（バックテスト用）
};

input use_times set_time = GMT9;//時間取得方法
input int natu = 6;//夏加算時間（バックテスト用）
input int huyu = 7;//冬加算時間（バックテスト用）
datetime calculate_time() {

   if(set_time == GMT9) {
      return TimeGMT() + 60 * 60 * 9;
   }
   if(set_time == GMT9_BACKTEST) {
      return getJapanTime();
   }
   if(set_time == GMT_KOTEI) {
      return TimeCurrent() + 60 * 60 * 9;
   }

   return 0;

}


// 日本時間の取得
datetime getJapanTime() {
   datetime now = TimeCurrent();
   datetime summer = now + 60 * 60 * natu;
   datetime winter = now + 60 * 60 * huyu;

   if(is_summer()) {
      return summer;
   }
   return winter;
}


// サマータイムなら真を返す関数
bool is_summer() {
   datetime now = TimeCurrent();
   int year = TimeYear(now);
   int month = TimeMonth(now);
   int day = TimeDay(now);
   int dayOfWeek = TimeDayOfWeek(now);
   int hours = TimeHour(now);

   if (month < 3 || month > 11) {
      return false;
   }
   if (month > 3 && month < 11) {
      return true;
   }

   // アメリカのサマータイムは3月の第2日曜日から11月の第1日曜日まで
   if (month == 3) {
      int dstStart = 14 - dayOfWeek;
      if (day >= dstStart) {
         return true;
      } else {
         return false;
      }
   }

   if (month == 11) {
      int dstEnd = 7 - dayOfWeek;
      if (day < dstEnd) {
         return true;
      } else {
         return false;
      }
   }
   return false;
}