table.h

来自「vc的源代码程序的基于最小特征向量的元素的集合方法的程序源代码」· C头文件 代码 · 共 50 行

#ifndef TABLE_H
#define TABLE_H

#include "source.h"

// Table is a class which is built up upon the Source class. It
// constructs an array according to the source. Each line in
// the source is a row in the table. Each field separated by
// the delimiter is a column 

class Table {
	int row;       // Number of instance
	int col;       // Number of fields (attributes and class column)

public:
	Description **head;

	Table();
	Table(Source &src);
	Table(Source &src, int isExtended);
	~Table();

	Description **alloc();   // allocate memory to the head
	void dealloc(Description **head); // deallocate memory to the head
	int numOfRows() { return row; }
	int numOfColumns() { return col; }
	int setRow(int r) { row = r; }
	int setCol(int c) { col = c; }
	int Row() { return row; }
	int Col() { return col; }

	int isInRange(int r, int c); // is the (r,c) out of bound

	int isEmpty();  // is the table empty?
	Description value(int r, int c); // return the value description
	void setValue(int r, int c, Description d); // set the description

	Description* getRow(int r); // return the row pointer or instance

	void removeSerialColumn();
private:
	void read(Source &src); // read from the source

	// read from the source, but keep the extension column
	// skipped
	void readForExtension(Source &src);
};

#endif