9e216da9ef
After go1.16, go will use module mode by default, even when the repository is checked out under GOPATH or in a one-off directory. Add go.mod, go.sum to keep this repo buildable without opting out of the module mode. > go mod init github.com/mmcgrana/gobyexample > go mod tidy > go mod vendor In module mode, the 'vendor' directory is special and its contents will be actively maintained by the go command. pygments aren't the dependency the go will know about, so it will delete the contents from vendor directory. Move it to `third_party` directory now. And, vendor the blackfriday package. Note: the tutorial contents are not affected by the change in go1.16 because all the examples in this tutorial ask users to run the go command with the explicit list of files to be compiled (e.g. `go run hello-world.go` or `go build command-line-arguments.go`). When the source list is provided, the go command does not have to compute the build list and whether it's running in GOPATH mode or module mode becomes irrelevant.
124 lines
4.8 KiB
Plaintext
124 lines
4.8 KiB
Plaintext
//+------------------------------------------------------------------+
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//| Array.mqh |
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//| Copyright 2009-2013, MetaQuotes Software Corp. |
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//| http://www.mql4.com |
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//+------------------------------------------------------------------+
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#include <Object.mqh>
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//+------------------------------------------------------------------+
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//| Class CArray |
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//| Purpose: Base class of dynamic arrays. |
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//| Derives from class CObject. |
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//+------------------------------------------------------------------+
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class CArray : public CObject
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{
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protected:
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int m_step_resize; // increment size of the array
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int m_data_total; // number of elements
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int m_data_max; // maximmum size of the array without memory reallocation
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int m_sort_mode; // mode of array sorting
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public:
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CArray(void);
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~CArray(void);
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//--- methods of access to protected data
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int Step(void) const { return(m_step_resize); }
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bool Step(const int step);
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int Total(void) const { return(m_data_total); }
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int Available(void) const { return(m_data_max-m_data_total); }
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int Max(void) const { return(m_data_max); }
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bool IsSorted(const int mode=0) const { return(m_sort_mode==mode); }
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int SortMode(void) const { return(m_sort_mode); }
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//--- cleaning method
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void Clear(void) { m_data_total=0; }
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//--- methods for working with files
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virtual bool Save(const int file_handle);
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virtual bool Load(const int file_handle);
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//--- sorting method
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void Sort(const int mode=0);
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protected:
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virtual void QuickSort(int beg,int end,const int mode=0) { }
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CArray::CArray(void) : m_step_resize(16),
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m_data_total(0),
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m_data_max(0),
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m_sort_mode(-1)
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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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CArray::~CArray(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Method Set for variable m_step_resize |
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//+------------------------------------------------------------------+
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bool CArray::Step(const int step)
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{
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//--- check
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if(step>0)
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{
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m_step_resize=step;
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return(true);
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}
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//--- failure
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return(false);
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}
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//+------------------------------------------------------------------+
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//| Sorting an array in ascending order |
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//+------------------------------------------------------------------+
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void CArray::Sort(const int mode)
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{
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//--- check
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if(IsSorted(mode))
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return;
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m_sort_mode=mode;
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if(m_data_total<=1)
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return;
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//--- sort
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QuickSort(0,m_data_total-1,mode);
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}
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//+------------------------------------------------------------------+
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//| Writing header of array to file |
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//+------------------------------------------------------------------+
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bool CArray::Save(const int file_handle)
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{
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//--- check handle
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if(file_handle!=INVALID_HANDLE)
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{
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//--- write start marker - 0xFFFFFFFFFFFFFFFF
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if(FileWriteLong(file_handle,-1)==sizeof(long))
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{
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//--- write array type
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if(FileWriteInteger(file_handle,Type(),INT_VALUE)==INT_VALUE)
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return(true);
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}
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}
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//--- failure
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return(false);
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}
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//+------------------------------------------------------------------+
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//| Reading header of array from file |
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//+------------------------------------------------------------------+
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bool CArray::Load(const int file_handle)
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{
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//--- check handle
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if(file_handle!=INVALID_HANDLE)
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{
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//--- read and check start marker - 0xFFFFFFFFFFFFFFFF
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if(FileReadLong(file_handle)==-1)
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{
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//--- read and check array type
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if(FileReadInteger(file_handle,INT_VALUE)==Type())
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return(true);
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}
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}
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//--- failure
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return(false);
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}
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//+------------------------------------------------------------------+
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