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//========================================================================
//
// GList.h
//
// Copyright 2001-2003 Glyph & Cog, LLC
//
//========================================================================
#ifndef GLIST_H
#define GLIST_H
#include <aconf.h>
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include "gtypes.h"
//------------------------------------------------------------------------
// GList
//------------------------------------------------------------------------
class GList {
public:
// Create an empty list.
GList();
// Create an empty list with space for <size1> elements.
GList(int sizeA);
// Destructor - does not free pointed-to objects.
~GList();
//----- general
// Get the number of elements.
int getLength() { return length; }
//----- ordered list support
// Return the <i>th element.
// Assumes 0 <= i < length.
void *get(int i) { return data[i]; }
// Append an element to the end of the list.
void append(void *p);
// Append another list to the end of this one.
void append(GList *list);
// Insert an element at index <i>.
// Assumes 0 <= i <= length.
void insert(int i, void *p);
// Deletes and returns the element at index <i>.
// Assumes 0 <= i < length.
void *del(int i);
//----- control
// Set allocation increment to <inc>. If inc > 0, that many
// elements will be allocated every time the list is expanded.
// If inc <= 0, the list will be doubled in size.
void setAllocIncr(int incA) { inc = incA; }
private:
void expand();
void shrink();
void **data; // the list elements
int size; // size of data array
int length; // number of elements on list
int inc; // allocation increment
};
#define deleteGList(list, T) \
do { \
GList *_list = (list); \
{ \
int _i; \
for (_i = 0; _i < _list->getLength(); ++_i) { \
delete (T*)_list->get(_i); \
} \
delete _list; \
} \
} while (0)
#endif
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