Add files via upload

2025-02-07 19:15:50 +03:30
parent e829dab822
commit 781d26ab5c
46 changed files with 12926 additions and 0 deletions
@@ -0,0 +1,112 @@
+//+------------------------------------------------------------------+
+//|                                                    CSVReader.mqh |
+//|                                    Copyright (c) 2019, Marketeer |
+//|                            https://www.mql5.com/ru/articles/5913 |
+//+------------------------------------------------------------------+
+
+#include <Marketeer/IndexMap.mqh>
+#include <Marketeer/GroupSettings.mqh>
+
+
+input GroupSettings SCV_Settings; // C S V   S E T T I N G S
+
+input string CSVDelimiter = ";" /*mql5 signals use ';' instead of ','*/; // · Delimiter
+
+
+class CSVConverter
+{
+  private:
+    class File
+    {
+      int file;
+      
+      public:
+        File(const string name, const int flags, const short delimiter)
+        {
+          file = FileOpen(name, flags, delimiter, CP_UTF8);
+        }
+    
+        File(const string name, const int flags)
+        {
+          file = FileOpen(name, flags);
+        }
+        
+        bool isOpened()
+        {
+          return (file != INVALID_HANDLE);
+        }
+        
+        int handle()
+        {
+          return file;
+        }
+        
+        ~File()
+        {
+          if(file != INVALID_HANDLE) FileClose(file);
+        }
+    };
+
+  public:
+    static IndexMap *ReadCSV(const string inputFileName)
+    {
+      // history.csv - 13 columns, positions.csv - 10 columns
+      int columns = StringFind(inputFileName, ".history.csv") > 0 ? 13 : (StringFind(inputFileName, ".positions.csv") > 0 ? 10 : 0);
+      if(columns == 0)
+      {
+        Print("Supported files: *.history.csv and .positions.csv");
+        return NULL;
+      }
+      Print("Reading csv-file ", inputFileName);
+      uchar delimiter = (uchar)CSVDelimiter[0];
+      File f(inputFileName, FILE_READ|FILE_TXT|FILE_ANSI|FILE_SHARE_READ|FILE_SHARE_WRITE, delimiter);
+      if(!f.isOpened())
+      {
+        Alert("Can't read file " + inputFileName);
+        return NULL;
+      }
+      int file = f.handle();
+    
+      bool headerLine = true;
+      IndexMap *data = new IndexMap();
+      string headers[];
+      uint count = 0;
+    
+      while(!FileIsEnding(file))
+      {
+        string stLine = "";
+        string stParts[];
+        
+        stLine = FileReadString(file);
+        
+        int nParts = StringSplit(stLine, delimiter, stParts);
+        if(nParts != columns)
+        {
+          Print("File " + inputFileName + " contains " + (string)nParts + " columns (" + (string)(columns) + "+ required)");
+          Print("Line: ", stLine);
+          return NULL;
+        }
+    
+        if(headerLine)
+        {
+          headerLine = false;
+          ArrayCopy(headers, stParts);
+          continue;
+        }
+        
+        IndexMap *row = new IndexMap();
+    
+        for(int i = 0; i < nParts; i++)
+        {
+          row.setValue((string)i + "." + headers[i], stParts[i]);
+        }
+    
+        data.add((string)count, row);
+        ++count;
+        
+      }
+      
+      return data;
+    }
+    
+};