git-svn-id: svn://db.shs.com.ru/pip@471 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

src_main/containers/piframe.h

@@ -0,0 +1,86 @@
+#ifndef PIFRAME_H
+#define PIFRAME_H
+#include "pivector.h"
+
+template <typename T>
+class PIFrame {
+public:
+	inline PIFrame() {rows_ = cols_ = 0;}
+	inline PIFrame(size_t rows, size_t cols, const T & f = T()) {
+		rows_ = rows;
+		cols_ = cols;
+		mat.resize(rows*cols, f);
+	}
+	inline PIFrame(const PIVector<PIVector<T> > & v) {
+		rows_ = v.size();
+		if (rows_) {
+			cols_ = v[0].size();
+			for (size_t i = 0; i < rows_; i++) {
+				mat.append(v[i]);
+			}
+			mat.resize(rows_*cols_);
+		}
+		if (mat.isEmpty()) rows_ = cols_ = 0;
+	}
+
+	inline size_t rows() const {return rows_;}
+	inline size_t cols() const {return cols_;}
+//	inline size_t size() const {return mat.size();}
+//	inline ssize_t size_s() const {return mat.size_s();}
+	inline size_t length() const {return mat.length();}
+	inline bool isEmpty() const {return mat.isEmpty();}
+
+	class PIFrameRow {
+		friend class PIFrame<T>;
+	private:
+		inline PIFrameRow(PIFrame<T> * p, size_t row) : p_(p) {st_ = p_->cols_ * row;}
+		PIFrame<T> * p_;
+		size_t st_;
+	public:
+		inline size_t size() const {return p_->cols_;}
+		inline T & operator [](size_t index) {return p_->mat[st_ + index];}
+		inline const T & operator [](size_t index) const {return p_->mat[st_ + index];}
+	};
+
+	class PIFrameRowConst {
+		friend class PIFrame<T>;
+	private:
+		inline PIFrameRowConst(const PIFrame<T> * p, size_t row) : p_(p) {st_ = p_->cols_ * row;}
+		const PIFrame<T> * p_;
+		size_t st_;
+	public:
+		inline size_t size() const {return p_->cols_;}
+		inline const T & operator [](size_t index) const {return p_->mat[st_ + index];}
+	};
+
+
+	inline PIFrameRow operator[](size_t index) {return PIFrameRow(this, index);}
+	inline PIFrameRowConst operator[](size_t index) const {return PIFrameRowConst(this, index);}
+
+
+
+private:
+	size_t rows_, cols_;
+	PIVector<T> mat;
+};
+
+template<typename T>
+inline PICout operator <<(PICout s, const PIFrame<T> & v) {
+	s.setControl(0, true);
+	s << "{";
+	for (size_t i = 0; i < v.rows(); ++i) {
+		s << "{ ";
+		for (size_t j = 0; j < v.cols(); ++j) {
+			s << v[i][j];
+			if (j < v.cols() - 1) s << ", ";
+		}
+		s << " }";
+		if (i < v.rows() - 1) s << PICoutManipulators::NewLine ;
+	}
+	if (v.isEmpty()) s << "{ }";
+	s << "}";
+	s.restoreControl();
+	return s;
+}
+
+#endif // PIFRAME_H