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/*
* Spider-Arachnid: A plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* $Id: spider.h 84 2007-06-20 16:13:43Z tom $
*/
#ifndef VDR_SPIDER_H
#define VDR_SPIDER_H
#define USE_TEMPLATES_FROM_STL
#ifdef USE_TEMPLATES_FROM_STL
#include <vector>
template <class T>
class Array : public std::vector<T>
{
public:
Array(int length) : std::vector<T>(length) {}
};
template <class T> class Vector : public std::vector<T> {};
#else // use own templates
/** --- template class Array ----------------------------------------------- **/
template <class T>
class Array
{
protected:
T* array;
int count;
public:
/** Constructor */
Array(int length)
{
array = new T[length];
count = length;
}
/** Destructor */
~Array()
{
delete[] array;
}
/** Reference to an item of the array */
T& operator[](int p)
{
return array[p];
}
/** Reference to an item of the array */
const T& operator[](int p) const
{
return array[p];
}
/** Length of the array */
unsigned int size() const
{
return count;
}
/** Is the array empty? */
bool empty() const
{
return count == 0;
}
};
/** --- template class Vector ---------------------------------------------- **/
template <class T>
class Vector
{
protected:
T* vector;
int max;
int count;
int steps;
/** Resize the vector to the new length */
void resize(int m)
{
if (m < steps)
m = steps;
else
m = ((m - 1) / steps + 1) * steps;
if (m != max)
{
T* v = new T[m];
for (int i = 0; i < count; ++i)
v[i] = vector[i];
delete[] vector;
vector = v;
max = m;
}
}
public:
/** Contructor */
Vector(int stepCount = 10)
{
vector = new T[stepCount];
max = steps = stepCount;
count = 0;
}
/** Destructor */
~Vector()
{
delete[] vector;
}
/** Reference to an item of the vector */
T& operator[](int p)
{
return vector[p];
}
/** Reference to an item of the vector */
const T& operator[](int p) const
{
return vector[p];
}
/** Reference to an item of the vector */
T& back()
{
return vector[count - 1];
}
/** Reference to an item of the vector */
const T& back() const
{
return vector[count - 1];
}
/** Current length of the vector */
unsigned int size() const
{
return count;
}
/** Is the vector empty? */
bool empty() const
{
return count == 0;
}
/** Add an item to the end of the vector */
void push_back(const T& item)
{
resize(count + 1);
vector[count] = item;
++count;
}
/** Remove an item from the end of the vector */
void pop_back()
{
if (count > 0)
{
--count;
resize(count);
}
}
};
#endif
#endif // VDR_SPIDER_H
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