64 lines
2.7 KiB
MQL5
64 lines
2.7 KiB
MQL5
 | //+------------------------------------------------------------------+
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//| FileTxt.mqh |
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//| Copyright 2000-2025, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#include "File.mqh"
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//+------------------------------------------------------------------+
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//| Class CFileTxt |
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//| Purpose: Class of operations with text files. |
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//| Derives from class CFile. |
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//+------------------------------------------------------------------+
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class CFileTxt : public CFile
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{
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public:
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CFileTxt(void);
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~CFileTxt(void);
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//--- methods for working with files
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int Open(const string file_name,const int open_flags);
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//--- methods to access data
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uint WriteString(const string value);
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string ReadString(void);
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CFileTxt::CFileTxt(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CFileTxt::~CFileTxt(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Open the text file |
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//+------------------------------------------------------------------+
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int CFileTxt::Open(const string file_name,const int open_flags)
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{
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return(CFile::Open(file_name,open_flags|FILE_TXT));
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}
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//+------------------------------------------------------------------+
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//| Writing string to file |
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//+------------------------------------------------------------------+
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uint CFileTxt::WriteString(const string value)
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{
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//--- check handle
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if(m_handle!=INVALID_HANDLE)
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return(FileWriteString(m_handle,value));
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//--- failure
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Reading string from file |
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//+------------------------------------------------------------------+
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string CFileTxt::ReadString(void)
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{
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//--- check handle
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if(m_handle!=INVALID_HANDLE)
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return(FileReadString(m_handle));
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//--- failure
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return("");
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}
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//+------------------------------------------------------------------+
|