Initial commit

runtime/objects.h

@@ -0,0 +1,78 @@
+#ifndef OBJECTS_H
+#define OBJECTS_H
+
+template<class T>
+class vector
+{
+public:
+	vector() : data_(NULL), total_(0), size_(0) {}
+	~vector() { delete [] data_; }
+	size_t size() const { return size_; }
+	bool empty() const { return size_ == 0; }
+	const T &operator[] (size_t index) const { return data_[index]; }
+	T &operator[] (size_t index) {return data_[index]; }
+	void push_back(const T &t) 
+	{
+		if (size_ == total_) { 
+			// no free space
+			size_t new_total = (total_ == 0) ? 1 : total_ * 2;
+			T *new_data = new T[new_total];
+			for (size_t i = 0; i < size_; i++) {
+				new_data[i] = data_[i];
+			}
+			delete [] data_;
+			data_ = new_data;
+			total_ = new_total;
+		}
+		data_[size_++] = t;
+	}
+	void pop_back()
+	{
+		if (size_)
+			size_--;
+	}
+	
+	void erase(size_t pos)
+	{
+		if (pos >= size_) 
+			return; // error
+		for (size_t i = pos; i < size_ - 1; i++) {
+			data_[i] = data_[i + 1];
+		}
+		size_--;
+	}
+
+	template <typename X>
+	size_t find(const X &v) const
+	{
+		for (size_t i = 0; i < size_; i++) {
+			if (data_[i] == v) 
+				return i;
+		}
+		return -1;
+	}
+
+	void clear()
+	{
+		size_ = total_ = 0;
+		delete [] data_;
+		data_ = NULL;
+	}
+private:
+	T *data_;
+	size_t total_;
+	size_t size_;
+};
+
+class CriticalSection
+{
+public:
+	CriticalSection(CRITICAL_SECTION &critical_section);
+	~CriticalSection();
+	static void Init(CRITICAL_SECTION &critical_section);
+	static void Free(CRITICAL_SECTION &critical_section);
+private:
+	CRITICAL_SECTION &critical_section_;
+};
+
+#endif