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// $Id: array.hh,v 1.2 1996/03/07 20:33:01 aml Exp $
/**************************************************************
Program: array (lib class)
File: array.hh
Version: 1.0
Author: Arlindo Oliveira (aml@ic)
Created:
Modified:
Comments:
****************************************************************/
#ifndef _ARRAY_DOT_HH_
#define _ARRAY_DOT_HH_
#include "utils.hh"
#define DEFAULT_ARRAY_SIZE 5
#define CHECK_ARRAY_BOUNDS 0
#define NEED_SORT 1
template<class T>
class array {
protected:
int size;
int data_allocated;
T *data;
public:
int cnt;
int &n() {return(cnt);}
T &last() {return(operator[](cnt-1));}
T &pop() {cnt--; return(operator[](cnt));}
/* The HP compiler does not take for loops in inline functions */
#ifndef hpux
array(int isize = DEFAULT_ARRAY_SIZE) {
cnt = 0;
size = isize;
if (isize != 0) {
data = new T[size];
data_allocated = 1;
}
else {
data = NULL;
data_allocated = 0;
}
}
array(const array<T> &right) {
int i;
data = new T[right.size];
size = right.size;
data_allocated = 1;
cnt = right.cnt;
for(i=0; i<size; i++)
data[i] = right.data[i];
}
void
resize(int newsize) {
T *temp;
int i;
temp = new T[newsize];
for(i=0; i<size; i++)
temp[i] = data[i];
if (data_allocated)
delete [] data;
size = newsize;
data = temp;
data_allocated = 1;
}
#else
array(int isize = DEFAULT_ARRAY_SIZE);
array(const array<T> &right) ;
void resize(int newsize) ;
#endif
~array() {if (data_allocated) delete [] data; }
void operator=(const array<T> &right) {
int i;
if (size < right.size)
resize(right.size);
cnt = right.cnt;
for(i=MIN(size,right.size)-1; i>=0; i--)
data[i] = right.data[i];
}
void operator+=(const T &value) {
#if CHECK_ARRAY_BOUNDS
if (cnt < 0 || cnt > size)
internal_error();
#endif
if (cnt == size)
resize(2*size);
data[cnt++] = value;
}
void operator--(int) {cnt--;};
T &operator[](const int index) {
#if CHECK_ARRAY_BOUNDS
if (index < 0) internal_error();
#endif
if (index >= size) {
#if CHECK_ARRAY_BOUNDS
//internal_error();
#endif
resize(MAX(2*size,index+DEFAULT_ARRAY_SIZE));
}
return(data[index]);
}
void sort(int sort_f(const void *f1, const void *d2), int icnt=0) {
if (icnt)
qsort(data,icnt,sizeof(T),sort_f);
else
qsort(data,cnt,sizeof(T),sort_f);
}
} ;
#ifndef hpux
template<class T>
ostream &operator<<(ostream &s, array<T> &arr) {
int i;
s << arr.cnt << "\n";
for(i=0; i<arr.cnt; i++)
s << arr[i] << " ";
return(s);
}
template<class T>
int operator<=(const T &elem, array<T> &arr) {
int i;
for(i=0; i<arr.cnt; i++)
if (arr[i] == elem) return(TRUE);
return(FALSE);
}
template<class T>
ofstream &operator<<(ofstream &s, array<T> &arr) {
int i;
s << arr.cnt << "\n";
for(i=0; i<arr.cnt; i++)
s << arr[i] << " ";
return(s);
}
template<class T>
istream &operator>>(istream &s, array<T> &arr) {
int i;
s >> arr.cnt;
for(i=0; i<arr.cnt; i++)
s >> arr[i];
return(s);
}
template<class T>
ifstream &operator>>(ifstream &s, array<T> &arr) {
int i;
s >> arr.cnt;
for(i=0; i<arr.cnt; i++)
s >> arr[i];
return(s);
}
#else
template<class T>
array<T>::array(const array<T> &right) {
int i;
data = new T[right.size];
size = right.size;
data_allocated = 1;
cnt = right.cnt;
for(i=0; i<size; i++)
data[i] = right.data[i];
}
template<class T>
array<T>::array(int isize) {
cnt = 0;
size = isize;
if (isize != 0) {
data = new T[size];
data_allocated = 1;
}
else {
data = NULL;
data_allocated = 0;
}
}
template<class T>
void array<T>::resize(int newsize) {
T *temp;
int i;
temp = new T[newsize];
for(i=0; i<size; i++)
temp[i] = data[i];
if (data_allocated)
delete [] data;
size = newsize;
data = temp;
data_allocated = 1;
}
template<class T>
int operator<=(const T &elem, array<T> &arr) ;
template<class T>
ostream &operator<<(ostream &s, array<T> &arr) ;
template<class T>
ofstream &operator<<(ofstream &s, array<T> &arr) ;
template<class T>
istream &operator>>(istream &s, array<T> &arr) ;
template<class T>
ifstream &operator>>(ifstream &s, array<T> &arr) ;
#endif
#endif // _ARRAY_DOT_HH_
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