void String::free()
{
if (elements) {
std::for_each(elements, end, [this](char &c){ alloc.destroy(&c); });
alloc.deallocate(elements, end - elements);
}
}
void StrVec::free() {
if (elements) {
for (auto p = first_free; p != elements;) {
alloc.destroy(--p);
}
alloc.deallocate(elements, cap - elements);
}
}
inline void BigNumber::release()
{//Free BigNumber space
if(first_free){
while(first_free != val) alloc.destroy(--first_free);
alloc.deallocate(val,cap);
}
val=first_free=NULL;
cap=len=dot=0;
}
inline BigNumber::~BigNumber()
{//Destructor
if(val){
for(;first_free!=val;)
alloc.destroy(--first_free);
alloc.deallocate(val,cap);
}
val=first_free=NULL;
cap=0;
dot=len=0;
}
String &String::operator=(const String &str)
{
char *p = alloc.allocate(str.sz);
char *q = p;
for(size_t i = 0;i < str.sz; ++i)
alloc.construct(q++,str.s[i]);
free();
s = p;
sz = str.sz;
return *this;
}
BigNumber& BigNumber::reverse_copy(BigNumber &A)
{//Reverse copy
cap=len=A.len;
val=alloc.allocate(cap);
first_free=val;
dot=0;
unsigned char *begin=A.first_free;
while(begin!=A.val){
alloc.construct(first_free++,*--begin);
if(*begin=='.') dot=first_free-val-1;
}
}
void StrVec::reallocate() {
auto newcapacity = size() ? 2 * size() : 1;
auto newdata = alloc.allocate(newcapacity);
auto dest = newdata;
auto elem = elements;
0
for (size_t i = 0; i != size(); ++i) {
alloc.construct(dest++, std::move(*elem++));
}
free();
elements = newdata;
first_free = dest;
cap = elements + newcapacity;
}
BigNumber& BigNumber::operator=(const BigNumber &A)
{//Copy a BigNumber
int newcap = A.len;
unsigned char *newval = alloc.allocate(newcap);
unsigned char *newfirst_free = newval;
int newlen = A.len;
int newdot = A.dot;
int count = 0;
while(count < A.len) alloc.construct(newfirst_free++,A.val[count++]);
release();
cap=newcap;
val=newval;
first_free=newfirst_free;
len=newlen;
dot=newdot;
return *this;
}
String &String::operator+(const String &str)
{
size_t sz_temp = sz + str.sz;
char *p = alloc.allocate(sz_temp);
char *q = p;
for(size_t i = 0;i < sz_temp; ++i)
{
if(i < sz)
alloc.construct(q++,s[i]);
else
alloc.construct(q++,str.s[i-sz]);
}
free();
s = p;
sz = sz_temp;
return *this;
}
void BigNumber::push_back(const unsigned char c)
{//Push a character back
if(!len||len>=cap){
int newcap=cap?(2*cap):2;
int newdot=dot;
unsigned char *newval=alloc.allocate(newcap);
unsigned char *newfirst_free=newval;
unsigned char *oldval=val;
while(oldval!=first_free) alloc.construct(newfirst_free++,*oldval++);
alloc.construct(newfirst_free++,c);
release();
val=newval;
first_free=newfirst_free;
len=first_free-val;
cap=newcap;
dot=newdot;
}else{alloc.construct(first_free++,c);len++;}
}
BigNumber& BigNumber::dot_erase_copy(BigNumber &A)
{//Copy BigNumber without dot before division
release();
cap = A.dot ? (A.len - 1) : A.len;
len = cap;
dot = 0;
val=alloc.allocate(cap);
first_free = val;
int count = 0;
while(count < A.len){
alloc.construct(first_free++,A.val[count]);
if(A.val[++count]=='.')
if(++count == (A.len - 2) && A.val[count] == '0'){
++count;
--len;
}
}
return *this;
}
blob encode_omdl(const model& mdl
, const allocator& file_alloc
, const allocator& temp_alloc)
{
const auto& info = mdl.info();
uint32_t nslots = info.num_slots;
const auto subsets_bytes = info.num_subsets * (uint32_t)sizeof(subset_t);
const auto indices_bytes = info.num_indices * (uint32_t)sizeof(uint16_t);
const auto vertices_bytes = info.num_vertices * layout_size(info.layout);
const auto bytes = sizeof(file_header)
+ sizeof(file_chunk) + sizeof(info_t)
+ sizeof(file_chunk) + subsets_bytes
+ sizeof(file_chunk) + indices_bytes
+ sizeof(file_chunk) * nslots + vertices_bytes;
auto mem = file_alloc.scoped_allocate(bytes, "encoded model");
auto hdr = (file_header*)mem;
hdr->fourcc = omdl_signature;
hdr->num_chunks = 4;
hdr->compression = compression_type::none; // not yet implemented, though here's where it gets done
hdr->reserved = 0;
hdr->version_hash = 0; // not yet implemented
auto chk = hdr->first_chunk();
chk->fourcc = omdl_info_signature;
chk->chunk_bytes = sizeof(info_t);
chk->uncompressed_bytes = chk->chunk_bytes;
memcpy(chk->data<info_t>(), &info, sizeof(info_t));
chk = chk->next();
chk->fourcc = omdl_subsets_signature;
chk->chunk_bytes = subsets_bytes;
chk->uncompressed_bytes = chk->chunk_bytes;
memcpy(chk->data<subset_t>(), mdl.subsets(), chk->chunk_bytes);
chk = chk->next();
chk->fourcc = omdl_indices_signature;
chk->chunk_bytes = indices_bytes;
chk->uncompressed_bytes = chk->chunk_bytes;
memcpy(chk->data<uint16_t>(), mdl.indices(), chk->chunk_bytes);
for (uint32_t slot = 0; slot < nslots; slot++)
{
chk = chk->next();
chk->fourcc = omdl_vertex_slot_signature;
chk->chunk_bytes = vertices_bytes;
chk->uncompressed_bytes = chk->chunk_bytes;
memcpy(chk->data<void>(), mdl.vertices(slot), chk->chunk_bytes);
}
return mem;
}
void BigNumber::cut_tail(int num)
{
int newcap = num + 3;
int newdot;
unsigned char *newval = alloc.allocate(newcap);
unsigned char *newfirst_free = newval;
unsigned char *oldval = val;
while((first_free - oldval) != newcap) ++oldval;
unsigned char *start = oldval;
while(oldval != first_free){
if(*oldval == '.') newdot = oldval - start;
alloc.construct(newfirst_free++,*oldval++);
}
release();
val=newval;
first_free=newfirst_free;
len=first_free-val;
cap=newcap;
dot=newdot;
}
void BigNumber::push_front(int num,const unsigned char c)
{//Push multiple characters front
if(!len){
cap=len=num+1;
val=alloc.allocate(cap);
first_free=val;
dot=0;
while(num--) alloc.construct(first_free++,c);
alloc.construct(first_free++,'+');
}else{
int newcap=len+num;
int newdot=dot;
unsigned char *newval=alloc.allocate(newcap);
unsigned char *newfirst_free=newval;
unsigned char *oldval=val;
while(num--) alloc.construct(newfirst_free++,c);
while(oldval!=first_free)
alloc.construct(newfirst_free++,*oldval++);
release();
val=newval;
first_free=newfirst_free;
cap=len=newcap;
dot=newdot;
}
}
core::result details::get_double_float_array(
const char * * buffers, const std::size_t * sizes,
std::size_t num_of_buffers,
std::size_t & current_buffer, const char * & buffer_position,
double * & values, std::size_t & length,
allocator & alloc)
{
int raw_length;
core::result res = get_integer(buffers, sizes, num_of_buffers,
current_buffer, buffer_position, raw_length);
if (res == core::ok)
{
length = static_cast<std::size_t>(raw_length);
double * new_array = static_cast<double *>(
alloc.allocate(length * sizeof(double)));
if (new_array != NULL)
{
values = new_array;
for (std::size_t i = 0; res == core::ok && i != length; ++i)
{
res = get_double_float(buffers, sizes, num_of_buffers,
current_buffer, buffer_position, values[i]);
}
if (res != core::ok)
{
alloc.deallocate(new_array);
}
}
else
{
res = core::no_memory;
}
}
return res;
}
BigNumber& BigNumber::operator=(long long num)
{//Copy a long long integer
release();
cap=21;
val=alloc.allocate(cap);
first_free=val;
bool flag=true;
long long e=num%10;
num/=10;
if(e<0) e=-e;
if(num<0) {flag=false;num=-num;}
alloc.construct(first_free++,e+48);
while(num){
e=num%10;
num/=10;
alloc.construct(first_free++,e+48);
}
if(flag) alloc.construct(first_free++,'+');
else alloc.construct(first_free++,'-');
len=first_free-val;
dot=0;
}
core::result details::get_string(const char * * buffers,
const std::size_t * sizes,
std::size_t num_of_buffers,
std::size_t & current_buffer, const char * & buffer_position,
const char * & value, std::size_t & length,
allocator & alloc)
{
int raw_length;
core::result res = get_integer(buffers, sizes, num_of_buffers,
current_buffer, buffer_position, raw_length);
if (res == core::ok)
{
length = static_cast<std::size_t>(raw_length);
char * new_buffer =
static_cast<char *>(alloc.allocate(length));
if (new_buffer != NULL)
{
value = new_buffer;
res = get_raw_string(buffers, sizes, num_of_buffers,
current_buffer, buffer_position,
new_buffer, length);
if (res != core::ok)
{
alloc.deallocate(new_buffer);
}
}
else
{
res = core::no_memory;
}
}
return res;
}
owner_authority_history_object(Constructor &&c, allocator<Allocator> a)
:previous_owner_authority(shared_authority::allocator_type(a.get_segment_manager())) {
c(*this);
}
static T* create() {
T* p = alloc_.allocate(1);
if (!p) return nullptr;
alloc_.construct(p);
return p;
};
static void destroy(T* ptr) {
alloc_.destroy(ptr);
alloc_.deallocate(ptr, 1);
}
void String::free()
{
for(char *p = s;p < s+sz;++p)
alloc.destroy(p);
alloc.deallocate(s,sz);
}
void StrVec::push_back(const string& s) {
chk_n_alloc();
alloc.construct(first_free++, s);
}
core::result details::get_boolean_array(
const char * * buffers, const std::size_t * sizes,
std::size_t num_of_buffers,
std::size_t & current_buffer, const char * & buffer_position,
bool * & values, std::size_t & length,
allocator & alloc)
{
int raw_length;
core::result res = get_integer(buffers, sizes, num_of_buffers,
current_buffer, buffer_position, raw_length);
if (res == core::ok)
{
length = static_cast<std::size_t>(raw_length);
const std::size_t byte_length = length * sizeof(bool);
bool * new_array = static_cast<bool *>(
alloc.allocate(byte_length));
if (new_array != NULL)
{
std::memset(new_array, 0, byte_length);
values = new_array;
const std::size_t full_words = length / bits_in_word;
char word[bytes_in_word];
// first process full words
for (std::size_t i = 0; i != full_words; ++i)
{
res = get_word_preserve_order(
buffers, sizes, num_of_buffers,
current_buffer, buffer_position, word);
if (res != core::ok)
{
break;
}
for (std::size_t j = 0; j != bits_in_word; ++j)
{
const std::size_t byte_position = j / bits_in_byte;
const std::size_t bit_position = j % bits_in_byte;
if (word[byte_position] & (1 << bit_position))
{
values[i * bits_in_word + j] = true;
}
}
}
// tail (what could not be read as a full word)
if (res == core::ok)
{
res = get_word_preserve_order(
buffers, sizes, num_of_buffers,
current_buffer, buffer_position, word);
if (res == core::ok)
{
const std::size_t already_read_bits =
full_words * bits_in_word;
for (std::size_t j = already_read_bits;
j != length; ++j)
{
const std::size_t byte_position =
(j - already_read_bits) / bits_in_byte;
const std::size_t bit_position = j % bits_in_byte;
if (word[byte_position] & (1 << bit_position))
{
values[j] = true;
}
}
}
}
if (res != core::ok)
{
alloc.deallocate(new_array);
}
}
else
{
res = core::no_memory;
}
}
return res;
}
undo_state( allocator<T> al )
:old_values( id_value_allocator_type( al.get_segment_manager() ) ),
removed_values( id_value_allocator_type( al.get_segment_manager() ) ),
new_ids( id_allocator_type( al.get_segment_manager() ) ){}
pair<string*, string*> StrVec::alloc_n_copy(const string *b, const string *e) {
auto data = alloc.allocate(e - b);
return { data, uninitialized_copy(b, e, data) };
}
account_recovery_request_object(Constructor &&c, allocator<Allocator> a)
:new_owner_authority(shared_authority::allocator_type(a.get_segment_manager())) {
c(*this);
}
pair<char*, char*> String::alloc_n_copy(const char* b, const char* e)
{
auto str = alloc.allocate(e - b);
return {str, uninitialized_copy(b, e, str)};
}