Разработчики, можно ли узнать формат данных *.hst

[Forex Trader]

Разработчики, можно ли узнать формат данных *.hst
Есть ли где нибудь в свободном доступе формат данных файлов *.hst ?

[MetaQuotes]

поищите в форуме - несколько раз уже описывали

[MetaQuotes]

вот посмотрите в качестве примера исходный текст конвертера csv2hst

//+------------------------------------------------------------------+

//|                                             CSV to HST converter |

//|                      Copyright © 2003, MetaQuotes Software Corp. |

//|                                         https://www.metaquotes.net/ |

//+------------------------------------------------------------------+

#include <string.h>

#include <stdlib.h>

#include <stdio.h>

#include <time.h>



#pragma pack(1)

struct RateInfo

{

    time_t ctm;           // current time in seconds since 01.01.1970

    double open;

    double low;

    double high;

    double close;

    int    vol;

};

#pragma pack(8)

struct HistoryHeader

{

    int    version;

    char   copyright[64];

    char   symbol[8];

    int    period;

    int    unused[16];

};

//+------------------------------------------------------------------+

//| usage 1:  csv2hst SSSSSSSP.csv                                   |

//| usage 2:  csv2hst file.csv SSSSSSSP.hst                          |

//+------------------------------------------------------------------+

int main(int argc, char* argv[])

{

    FILE *in, *out;

    char *cp;

    int   i, period;

    char  inputfilename[256] = "";

    char  outputfilename[256] = "";

    char  symbol[8];

    char  buffer[256];

    char *delimiter = ",";

    tm            tt;

    RateInfo      ri;

    HistoryHeader hdr;



    if (argc < 2) return -1;



    strcpy(inputfilename,argv[1]);

    strcpy(outputfilename,argv[1]);

    if ((cp = strstr(outputfilename, ".csv")) == NULL) return -2;



    if (argc > 2)

        strcpy(outputfilename,argv[2]);

    else

    {

        *cp=0;

        strcat(outputfilename, ".hst");

    }

    if (stricmp(inputfilename, outputfilename) == 0)   return -3;

    if ((cp = strstr(outputfilename, ".hst")) == NULL) return -4;



    if ((in = fopen(inputfilename, "ri")) == NULL)     return -5;

    if ((out = fopen(outputfilename, "wb")) == NULL)

    {

        fclose(in);

        return -6;

    }



    // take period and symbol from output file name

    *cp=0;

    period=0;

    for (i=strlen(outputfilename)-1; i>=0; i--)

    {

        if ((outputfilename[i]<'0' || outputfilename[i]>'9') && period == 0)

        {

            period = atoi(outputfilename+i+1);

            outputfilename[i+1]=0;

        }

        if (outputfilename[i]=='\\' || outputfilename[i]=='/')

            break;

    }

    strncpy(symbol, outputfilename+i+1, 7);

    symbol[7] = 0;

    // prepare and write hst header

    memset(&hdr, 0, sizeof(HistoryHeader));

    hdr.version = 1;

    hdr.period = period;

    strcpy(hdr.symbol, symbol);

    strcpy(hdr.copyright, "Copyright © 2003, MetaQuotes Software Corp.");

    fwrite(&hdr, sizeof(HistoryHeader), 1, out);

    // prepare and write RateInfo records

    i=0;

    while (fgets(buffer, 255, in) != NULL)

    {

        buffer[255] = 0;

        cp = buffer;

        //---- date DD.MM.YYYY

        tt.tm_mday = atoi(cp);

        if (tt.tm_mday < 1 || tt.tm_mday > 31)        continue;

        if ((cp = strstr(cp, ".")) == NULL)           continue;

        tt.tm_mon = atoi(cp+1) - 1;

        if (tt.tm_mon < 0  || tt.tm_mon > 11)         continue;

        if ((cp = strstr(cp+1, ".")) == NULL)         continue;

        tt.tm_year = atoi(cp+1);

        if (tt.tm_year > 1900) tt.tm_year -= 1900;

        if (tt.tm_year < 50)   tt.tm_year += 100;

        //---- time ,HH:MI

        if ((cp = strstr(buffer, delimiter)) == NULL) continue;

        tt.tm_hour = atoi(cp+1);

        if (tt.tm_hour < 0 || tt.tm_hour > 23)        continue;

        if ((cp = strstr(cp+1, ":")) == NULL)         continue;

        tt.tm_min = atoi(cp+1);

        if (tt.tm_min < 0  || tt.tm_min > 59)         continue;

        if ((ri.ctm = mktime(&tt)) == 0)              continue;

        ri.ctm -= _timezone;

        //---- open,high,low,close,volume

        if ((cp = strstr(cp, delimiter)) == NULL)     continue;

        if ((ri.open = atof(cp+1)) <= 0)              continue;

        if ((cp = strstr(cp+1, delimiter)) == NULL)   continue;

        if ((ri.high = atof(cp+1)) <= 0)              continue;

        if ((cp = strstr(cp+1, delimiter)) == NULL)   continue;

        if ((ri.low = atof(cp+1)) <= 0)               continue;

        if ((cp = strstr(cp+1, delimiter)) == NULL)   continue;

        if ((ri.close = atof(cp+1)) <= 0)             continue;

        if ((cp = strstr(cp+1, delimiter)) == NULL)   continue;

        if ((ri.vol = atoi(cp+1)) < 0)                continue;

        //----- check prices

        if (ri.low > ri.open  || ri.low > ri.close  || ri.low > ri.high) continue;

        if (ri.high < ri.open || ri.high < ri.close || ri.high < ri.low) continue;

        if (gmtime(&ri.ctm) == NULL)                  continue;

        i++;

        fwrite(&ri,sizeof(RateInfo),1,out);

    }

    fclose(in);

    fclose(out);

    printf("%d records written\n", i);

    return 0;

}