Files
lime/project/src/utils/Bytes.cpp
Joshua Granick e3f453c865 Bytes fix
2015-06-24 16:24:21 -07:00

276 lines
3.7 KiB
C++

#include <system/System.h>
#include <utils/Bytes.h>
namespace lime {
static int id_b;
static int id_length;
static bool init = false;
Bytes::Bytes () {
_data = 0;
_length = 0;
_value = 0;
}
Bytes::Bytes (int size) {
_data = (unsigned char*)malloc (size);
_length = size;
_value = 0;
}
Bytes::Bytes (value bytes) {
Set (bytes);
}
Bytes::Bytes (const char* path) {
FILE_HANDLE *file = lime::fopen (path, "rb");
if (!file) {
return;
}
lime::fseek (file, 0, SEEK_END);
_length = lime::ftell (file);
lime::fseek (file, 0, SEEK_SET);
_data = (unsigned char*)malloc (_length);
int status = lime::fread (_data, _length, 1, file);
lime::fclose (file);
delete file;
_value = 0;
}
Bytes::Bytes (const QuickVec<unsigned char> data) {
Set (data);
}
Bytes::~Bytes () {
if (!_value && _data) {
free (_data);
}
}
unsigned char *Bytes::Data () {
return (unsigned char*)_data;
}
const unsigned char *Bytes::Data () const {
return (const unsigned char*)_data;
}
int Bytes::Length () const {
return _length;
}
void Bytes::Resize (int size) {
if (_value) {
if (size > _length) {
if (val_is_null (val_field (_value, id_b))) {
buffer buf = alloc_buffer_len (size);
_data = (unsigned char*)buffer_data (buf);
if (_data) {
alloc_field (_value, id_b, buffer_val (buf));
} else {
value newString = alloc_raw_string (size);
alloc_field (_value, id_b, newString);
_data = (unsigned char*)val_string (val_field (_value, id_b));
memset (_data, 0, size);
}
} else {
resizeByteData (_value, size);
}
}
alloc_field (_value, id_length, alloc_int (size));
} else {
if (size > _length) {
if (_data) {
realloc (_data, size);
} else {
_data = (unsigned char*)malloc (size);
}
}
}
_length = size;
}
void Bytes::Set (value bytes) {
if (!init) {
id_b = val_id ("b");
id_length = val_id ("length");
init = true;
}
if (!_value && _data) {
free (_data);
}
if (val_is_null (bytes)) {
_length = 0;
_data = 0;
_value = 0;
} else {
_value = bytes;
_length = val_int (val_field (bytes, id_length));
if (_length > 0) {
value b = val_field (bytes, id_b);
if (val_is_string (b)) {
_data = (unsigned char*)val_string (b);
} else {
_data = (unsigned char*)buffer_data (val_to_buffer (b));
}
} else {
_data = 0;
}
}
}
void Bytes::Set (const QuickVec<unsigned char> data) {
if (!_value && _data) {
free (_data);
}
_length = data.size ();
if (_length > 0) {
_data = (unsigned char*)malloc (_length);
memcpy (_data, &data[0], _length);
} else {
_data = 0;
}
_value = 0;
}
value Bytes::Value () {
if (_value) {
return _value;
} else {
if (!init) {
id_b = val_id ("b");
id_length = val_id ("length");
init = true;
}
_value = alloc_empty_object ();
if (_length > 0 && _data) {
value newString = alloc_raw_string (_length);
memcpy ((char*)val_string (newString), _data, _length);
alloc_field (_value, id_b, newString);
alloc_field (_value, id_length, alloc_int (_length));
} else {
alloc_field (_value, id_b, alloc_raw_string (0));
alloc_field (_value, id_length, alloc_int (_length));
}
return _value;
}
}
}