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#ifdef GCC
#include <string.h>
#include <stdlib.h>
#else
extern "C"
{
#include <string.h>
#include <stdlib.h>
}
#endif
#define DYNARRAY__H <amulet/dynarray.h>
#include DYNARRAY__H
#ifdef NEED_MEMMOVE
void memmove(char* dest, const char* src, int length)
{
char *data = new char[length];
memcpy(data, src, length);
memcpy(dest, data, length);
delete[] data;
}
#endif
DynArray::DynArray(unsigned in_elem_size) :
elem_size(in_elem_size),
data_size(1),
length(0)
{
data = static_cast<char*>(malloc(in_elem_size));
}
char* DynArray::Get(unsigned i)
{
if(i < length)
{
return(&data[i*elem_size]);
}
else
{
return(static_cast<char*>(0));
}
}
void DynArray::Set(unsigned i, char *value)
{
if(i < length)
{
memcpy(&data[i*elem_size], value, elem_size);
}
}
void DynArray::Insert(unsigned i, char *value)
{
if(i <= length)
{
if(length == data_size)
{
data_size *= 2;
char* new_data;
new_data = static_cast<char*>(malloc(data_size*elem_size));
memcpy(new_data, data, i*elem_size);
memcpy(&new_data[(i+1)*elem_size], &data[i*elem_size],(length-i)*elem_size);
free(data);
data = new_data;
}
else
{
#ifdef __SUNPRO_CC
memmove(static_cast<void*>(&data[(i+1)*elem_size]), static_cast<void*>(&data[i*elem_size]),(length-i)*elem_size);
#else
memmove(&data[(i+1)*elem_size], &data[i*elem_size],(length-i)*elem_size);
#endif
}
// copy the value to the array
memcpy(&data[i*elem_size], value, elem_size);
length++;
}
}
void DynArray::Delete(unsigned i)
{
if(i < length)
{
length--;
if(length < (unsigned)(data_size / 3))
{
data_size /= 2;
char* new_data;
new_data = static_cast<char*>(malloc(data_size*elem_size));
memcpy(new_data, data, i*elem_size);
memcpy(&new_data[i*elem_size], &data[(i+1)*elem_size], (length-i)*elem_size);
free(data);
data = new_data;
}
else
{
#ifdef __SUNPRO_CC
memmove(static_cast<void*>(&data[i*elem_size]), static_cast<void*>(&data[(i+1)*elem_size]),(length-i)*elem_size);
#else
memmove(&data[i*elem_size], &data[(i+1)*elem_size],(length-i)*elem_size);
#endif
}
}
}
void DynArray::Add(char* value)
{
if(length == data_size)
{
data_size *= 2;
char* new_data;
new_data = (char*)malloc(data_size*elem_size);
memcpy(new_data, data, length*elem_size);
free(data);
data = new_data;
}
// copy the data to the array
memcpy(&data[length*elem_size], value, elem_size);
length++;
}
DynArray* DynArray::Copy()
{
DynArray *new_array = new DynArray(elem_size);
new_array->length = length;
new_array->data_size = data_size;
char *new_data;
new_data = (char*)malloc(data_size*elem_size);
free(new_array->data);
memcpy(new_data, data, length*elem_size);
new_array->data = new_data;
return(new_array);
}
void DynArray::Destroy()
{
if(data)
{
free(data);
data = (0L);
}
}
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