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|
#ifndef ODFAEG_ARCHIVE
#define ODFAEG_ARCHIVE
#include <vector>
#include <map>
#include <iostream>
#include <typeinfo>
#include "factory.h"
#include <sstream>
#include <memory>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "resourceCache.h"
#include "export.hpp"
/**
*\namespace odfaeg
* the namespace of the Opensource Development Framework Adapted for Every Games.
*/
namespace odfaeg {
namespace core {
/**
* maximum decompressed data input length (1MB)
*/
#define MAX_DECOMPRESSED_LENGTH 1048576
/**
* maximum compressed data input length
*/
#define MAX_COMPRESSED_LENGTH (MAX_DECOMPRESSED_LENGTH + (MAX_DECOMPRESSED_LENGTH/2))
/**
* hash table length
*/
#define DICT_LEN 16384
#define DecodeOffset(x) DecodeLength(x)
/**
* utf16 character
*/
typedef unsigned short u16;
/**
* one byte
*/
typedef unsigned char u8;
/**
* 32 bit unsigned integer
*/
typedef unsigned int u32;
template <typename T>
struct has_typedef_key {
// Types "yes" and "no" are guaranteed to have different sizes,
// specifically sizeof(yes) == 1 and sizeof(no) == 2.
typedef char yes[1];
typedef char no[2];
template <typename C>
static yes& test(typename C::KEYTYPE*);
template <typename>
static no& test(...);
// If the "sizeof" of the result of calling test<T>(0) would be equal to sizeof(yes),
// the first overload worked and T has a nested type named foobar.
static const int value = sizeof(test<T>(0)) == sizeof(yes);
};
/**
* \file archive.h
* \class OTextArchive
* \brief Write everything into the output archive's buffer in text format.
* \author Duroisin.L
* \version 1.0
* \date 1/02/2014
*/
class ODFAEG_CORE_API OTextArchive {
public :
/**\fn OTextArchive (std::ostream& buffer)
* \brief pass a c++ ouptut buffer to the archive.
* \param std::ostream& buffer : the output buffer.
*/
OTextArchive(std::ostream& buffer) : buffer(buffer) {
nbSerialized = 0;
}
bool isInputArchive() {
return false;
}
void clear() {
buffer.clear();
}
/** \fn void compress_stdin
* \brief compress the data contained into the ouptut archive's buffer.
*/
void compress_stdin(void)
{
std::ostringstream output;
output<<buffer;
int i, out_len;
char *buffer, *output_buffer;
i = output.str().size();
/* allocate input and output buffers */
buffer = new char[MAX_DECOMPRESSED_LENGTH];
output_buffer = new char [MAX_COMPRESSED_LENGTH];
/* read input from stdin */
if (i == MAX_DECOMPRESSED_LENGTH)
{
std::cerr<<"ERROR: Input is too long!"<<std::endl;
return;
}
buffer = const_cast<char*> (output.str().c_str());
output.str("");
/* each utf16 character is 2 bytes long so the input number of bytes must be odd */
if (i % 2 != 0)
fprintf(stderr, "WARNING: odd number of input bytes!\n");
/* compress */
out_len = utf16_compress((u16 *)buffer, i / 2, (u8 *)output_buffer);
//delete[] buffer;
this->buffer.rdbuf()->pubsetbuf(output_buffer, out_len);
//delete[] output_buffer;
}
//Fundamentals.
/**
* \fn void operator(T& data, D...)
* \brief write a fundamental type into the archive.
* \param T& the data to write.
* \param D... used for SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<std::is_fundamental<T>::value>::type>
void operator() (T& data, D...) {
std::ostringstream oss;
oss<<typeid(data).name()<<"*"<<reinterpret_cast<unsigned long long int>(&data);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
buffer<<data<<std::endl;
nbSerialized++;
}
}
/**
* \fn void operator(T* data, D...)
* \brief write pointer to a fundamental type into the archive.
* \param T* the pointer to write.
* \param D... used for SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<std::is_fundamental<T>::value>::type>
void operator() (T* data, D...) {
if (data != nullptr) {
std::ostringstream oss;
oss<<typeid(*data).name()<<"*"<<reinterpret_cast<unsigned long long int>(data);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
buffer<<(*data)<<std::endl;
nbSerialized++;
}
} else {
long long int id = -1;
buffer<<id<<std::endl;
}
}
template <typename E,
class... D,
class = typename std::enable_if<!std::is_fundamental<E>::value>::type,
class = typename std::enable_if<std::is_enum<E>::value>::type>
void operator() (E& data, D...) {
std::ostringstream oss;
oss<<typeid(data).name()<<"*"<<reinterpret_cast<unsigned long long int>(&data);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
buffer<<data<<std::endl;
nbSerialized++;
}
}
template <typename E,
class... D,
class = typename std::enable_if<!std::is_fundamental<E>::value>::type,
class = typename std::enable_if<std::is_enum<E>::value>::type>
void operator() (E* data, D...) {
if (data != nullptr) {
std::ostringstream oss;
oss<<typeid(*data).name()<<"*"<<reinterpret_cast<unsigned long long int>(data);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
buffer<<(*data)<<std::endl;
nbSerialized++;
}
} else {
long long int id = -1;
buffer<<id<<std::endl;
}
}
//std::string.
/**
*\fn void operator(T& data, D...)
*\brief write an std::string into the archive.
*\param T& data : the std::string to write.
*\param D... : used fo SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<!std::is_fundamental<T>::value>::type,
class = typename std::enable_if<std::is_same<T, std::string>::value>::type,
class = typename std::enable_if<!std::is_enum<T>::value>::type>
void operator() (T& data, D...) {
std::ostringstream oss;
oss<<typeid(data).name()<<"*"<<reinterpret_cast<unsigned long long int>(&data);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
std::size_t str_size = data.length();
buffer<<str_size<<std::endl;
const char* datas = data.c_str();
for (unsigned int i = 0; i < str_size; i++)
(*this)(datas[i]);
nbSerialized++;
}
}
/**
*\fn void operator(T* data, D...)
*\brief The pointer to the std::string to write.
*\param T* data : the pointer to the data to write.
*\param D... : used for SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<std::is_fundamental<T>::value>::type,
class = typename std::enable_if<std::is_same<T, std::string>::value>::type,
class = typename std::enable_if<!std::is_enum<T>::value>::type>
void operator() (T* data, D...) {
if (data != nullptr) {
std::ostringstream oss;
oss<<typeid(*data).name()<<"*"<<reinterpret_cast<unsigned long long int>(data);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
std::size_t str_size = data->length();
buffer<<str_size<<std::endl;
const char* datas = data->c_str();
for (unsigned int i = 0; i < str_size; i++)
(*this)(datas[i]);
nbSerialized++;
}
} else {
long long int id = -1;
buffer<<id<<std::endl;
}
}
//Static objects.
/**
*\fn void operator(O& data, D...)
*\brief register a static object onto the archive.
*\param O& the object to register.
*\param D... : used for SFINAE.
*/
template <class O,
class... D,
class = typename std::enable_if<!std::is_fundamental<O>::value>::type,
class = typename std::enable_if<!std::is_same<O, std::string>::value && !std::is_pointer<O>::value>::type,
class = typename std::enable_if<!has_typedef_key<O>::value>::type,
class = typename std::enable_if<!std::is_enum<O>::value>::type>
void operator() (O& object, D...) {
std::ostringstream oss;
oss<<typeid(object).name()<<"*"<<reinterpret_cast<unsigned long long int>(&object);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
nbSerialized++;
object.serialize(*this);
}
}
template <class O,
class... D,
class = typename std::enable_if<!std::is_fundamental<O>::value>::type,
class = typename std::enable_if<!std::is_same<O, std::string>::value>::type,
class = typename std::enable_if<!has_typedef_key<O>::value>::type,
class = typename std::enable_if<!std::is_enum<O>::value>::type>
/**
*\fn void operator(O* data, D...)
*\brief register a static object onto the archive.
*\param O* the pointer to the object to register.
*\param D... : used for SFINAE.
*/
void operator() (O* object, D...) {
if (object != nullptr) {
std::ostringstream oss;
oss<<typeid(*object).name()<<"*"<<reinterpret_cast<unsigned long long int>(object);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
nbSerialized++;
object->serialize(*this);
}
} else {
long long int id = -1;
buffer<<id<<std::endl;
}
}
//Dynamic objects.
/**
*\fn void operator(O& data, D...)
*\brief register a dynamic object onto the archive.
*\param O& the object to register.
*\param D... : used for SFINAE.
*/
template <class O,
class... D,
class = typename std::enable_if<!std::is_fundamental<O>::value>::type,
class = typename std::enable_if<!std::is_same<O, std::string>::value>::type,
class = typename std::enable_if<has_typedef_key<O>::value>::type,
class = typename std::enable_if<!std::is_enum<O>::value>::type,
class = typename std::enable_if<!sizeof...(D)>::type>
void operator() (O& object, D...) {
std::ostringstream oss;
oss<<typeid(object).name()<<"*"<<reinterpret_cast<unsigned long long int>(&object);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
nbSerialized++;
if (typeid(decltype(object)).name() == typeid(object).name()) {
object.vtserialize(*this);
} else {
object.key.register_object(&object);
object.key.serialize_object("serialize", "OTextArchive", *this);
}
}
}
/**
*\fn void operator(O& data, D...)
*\brief register pointer to a dynamic object onto the archive.
*\param O& the object to register.
*\param D... : used for SFINAE.
*/
template <class O,
class... D,
class = typename std::enable_if<!std::is_fundamental<O>::value>::type,
class = typename std::enable_if<!std::is_same<O, std::string>::value>::type,
class = typename std::enable_if<has_typedef_key<O>::value>::type,
class = typename std::enable_if<!std::is_enum<O>::value>::type,
class = typename std::enable_if<!sizeof...(D)>::type>
void operator() (O* object, D...) {
if (object != nullptr) {
std::ostringstream oss;
oss<<typeid(*object).name()<<"*"<<reinterpret_cast<unsigned long long int>(object);
std::map<std::string, long long int>::iterator it = adresses.find(oss.str());
if (it != adresses.end()) {
buffer<<it->second<<std::endl;
} else {
std::pair<std::string, long long int> newAddress (oss.str(), nbSerialized);
adresses.insert(newAddress);
buffer<<newAddress.second<<std::endl;
std::string typeName = "BaseType";
if (typeid(decltype(*object)).name() == typeid(*object).name()) {
buffer<<typeName<<std::endl;
nbSerialized++;
object->vtserialize(*this);
} else {
object->key.register_object(object);
typeName = object->key.getTypeName();
buffer<<typeName<<std::endl;
nbSerialized++;
object->key.serialize_object("serialize", "OTextArchive", *this);
}
}
} else {
long long int id = -1;
buffer<<id<<std::endl;
}
}
//std::vectors.
/**
*\fn void operator(O& data, D...)
*\brief register a list of objects onto the archive.
*\param std::vector<O>& the list of objects to register.
*\param D... : used for SFINAE.
*/
template <class O>
void operator() (std::vector<O>& data) {
std::size_t size = data.size();
buffer<<size<<std::endl;
for (unsigned int i = 0; i < data.size(); i++)
(*this)(data[i]);
}
template <class T>
void operator() (std::unique_ptr<T>& ptr) {
(*this)(ptr.get());
}
template <class T1, class T2>
void operator() (std::pair<T1, T2>& pair) {
(*this)(std::move(pair.first));
(*this)(std::move(pair.second));
}
template <class T1, class T2>
void operator() (std::map<T1, T2>& map) {
std::size_t size = map.size();
buffer<<size<<std::endl;
typename std::map<T1, T2>::iterator it;
for (it = map.begin(); it != map.end(); it++) {
(*this)(*it);
}
}
/**
* Simple hash function. Takes two utf16 characters and enumerate
* their hash value. The value is used as dictionary array index.
*
* @param first - utf16 character
* @param second - utf16 character
* @return hash value in interval from 0 to DICT_LEN
*/
u16 hash(u16 char0, u16 char1)
{
return ((char1 * 37 ^ ((char0 >> 7) * 5) ^ (char0)) * 33) & DICT_LEN;
}
/**
* Initialize the compressor. It is called from utf16_compress only.
*/
void utf16_compressor_init(void)
{
if (utf16_compressor_initialized)
return;
utf16_compressor_initialized = 1;
/* clear the hash table. It needs to be called only once to prevent access
unaligned pointer which causes crash on some architectures. */
memset(dictionary, 0, sizeof(dictionary));
}
/**
* Writes one output byte.
*
* @param out - output byte
* @param output - pointer to output array.
*/
void OutputByte(u8 out, u8 **output)
{
**output = out;
*output += 1;
}
/**
* Encode pair of length and offset values. OutpurByte function is called on each output byte.
*
* @param offset - offset
* @param len - length
* @param pointer to output array
*/
void OutputMatch(u16 offset, u16 len, u8 **output)
{
OutputByte((u8)(len & 0x3F) | ((len > 0x3F) << 6) | 0x80, output);
len >>= 6;
while (len > 0) {
OutputByte((u8)(len & 0x7F) | ((len > 0x7F) << 7), output);
len >>= 7;
}
OutputByte((u8)(offset & 0x3F) | ((offset > 0x3F) << 6) | 0x80, output);
offset >>= 6;
while (offset > 0) {
OutputByte((u8)(offset & 0x7F) | ((offset > 0x7F) << 7), output);
offset >>= 7;
}
}
/**
* Encode array of literals. OutpurByte function is called on each output byte.
*
* @param input - array of utf16 literals
* @param len - number of input utf16 literals
* @param output - pointer to output byte array.
*/
void OutputLiteral(u16 *input, u16 len, u8 **output)
{
u16 previous, l = len;
int diff;
/* most significant bit is 0 to mark a literal */
OutputByte((u8)(len & 0x3F) | ((len > 0x3F) << 6), output);
len >>= 6;
while (len > 0) {
OutputByte((u8)(len & 0x7F) | ((len > 0x7F) << 7), output);
len >>= 7;
}
/* save the first Unicode character */
previous = *input++;
OutputByte(previous & 0xFF, output);
OutputByte(previous >> 8, output);
/* save differences between the characters */
len = l - 1;
while (len-- > 0) {
diff = previous - *input;
if ((diff & 0xFFFFFFC0) == 0 || (diff | 0x3F) == -1)
OutputByte((u8)(diff & 0x7F), output);
else {
OutputByte((u8)((diff & 0x7F) | 0x80), output);
diff >>= 7;
if ((diff & 0xFFFFFFC0) == 0 || (diff | 0x3F) == -1)
OutputByte((u8)(diff & 0x7F), output);
else {
OutputByte((u8)((diff & 0x7F) | 0x80), output);
OutputByte(diff >> 7, output);
}
}
previous = *input++;
}
}
/**
* utf16 Compress function. This function implements described compression algorithm.
*
* @param input - array of input utf16 characters
* @param length - number of input utf16 characters
* @param output - output buffer
* @return number of output bytes
*/
int utf16_compress(u16 *input, int length, u8 *output)
{
int i;
u16 *input_orig = input;
u8 *o = output;
u16 *literal, *match, match_index;
utf16_compressor_init();
literal = input;
while (length-- > 0)
{
/* check for previous occurrence */
match_index = hash(*input, *(input + 1));
match = dictionary[match_index];
dictionary[match_index] = input;
if (match >= input_orig && match < input && *match == *input && *(match + 1) == *(input + 1))
{
/* Previous occurrence was found. Encode literals...*/
if (literal < input)
OutputLiteral(literal, input - literal, &output);
i = 2;
/* ...find the occurrence length...*/
while (*(match + i) == *(input + i))
++i;
/* ...and encode the (offset, length) pair */
OutputMatch(input - match, i, &output);
input += i;
length -= (i - 1);
literal = input;
}
else
++input;
}
/* if there are some remaining literals, encode them */
if (literal < input)
OutputLiteral(literal, input - literal, &output);
return output - o;
}
/** \fn ostream& operator<<(std::ostream& out)
* \brief compress the archive's data and put it into an output stream.
* \param std::ostream& out : the output stream where to compress the data.
* \return std::ostream& : the output stream where the datas are compressed.
*/
friend std::ostream& operator<<(std::ostream& out, OTextArchive& oa) {
oa.compress_stdin();
out<<oa.buffer;
return out;
}
private :
std::ostream& buffer; /**< the output buffer containing the datas.*/
int utf16_compressor_initialized = 0; /**<A boolean to test if the compressor is initialized*/
u16 * dictionary[DICT_LEN]; /**<A the dictionnary used for the compression algorithm*/
std::map<std::string, long long int> adresses; /**< an std::map used to store the adresses and the id of the serialized pointers.*/
unsigned long long int nbSerialized; /** <the number data which are serialized into the archive*/
};
/**
* \file archive.h
* \class ITextArchive
* \brief Read everything from the input archive's buffer.
* \author Duroisin.L
* \version 1.0
* \date 1/02/2014
*/
class ITextArchive {
public :
/**
*\fn ITextArchive(std::istream& buffer)
*\brief pass the input stream to the input test archive.
*\param std::istream& buffer : the input buffer where to read the datas.
*/
ITextArchive (std::istream& buffer) : buffer(buffer) {
nbDeserialized = 0;
}
bool isInputArchive() {
return true;
}
void clear() {
buffer.clear();
}
/**
* reads compressed utf16 from stdin, decompress it and writes output to stdout
*/
void decompress_stdin(void)
{
std::ostringstream output;
output<<buffer;
int i, out_len;
char *buffer, *output_buffer;
i = output.str().size();
/* allocate input and output buffers */
buffer = new char[MAX_COMPRESSED_LENGTH];
output_buffer = new char[MAX_DECOMPRESSED_LENGTH];
/* read input from stdin */
if (i == MAX_DECOMPRESSED_LENGTH)
{
std::cerr<<"ERROR: Input is too long!"<<std::endl;
return;
}
buffer = const_cast<char*> (output.str().c_str());
output.str("");
/* make decompression */
out_len = utf16_decompress((u8 *)buffer, i, (u16 *)output_buffer);
//delete[] buffer;
this->buffer.rdbuf()->pubsetbuf(output_buffer, out_len);
//delete[] output_buffer;
}
//Fundamentals.
/**
* \fn void operator(T& data, D...)
* \brief read a fundamental type from the archive.
* \param T& the data to read.
* \param D... used for SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<std::is_fundamental<T>::value>::type>
void operator() (T& data, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = *reinterpret_cast<T*> (conversionStringULong(parts[1]));
} else {
std::ostringstream oss;
oss<<typeid(data).name()<<"*"<<reinterpret_cast<unsigned long long int>(&data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
buffer>>data;
char space;
buffer.get(space);
}
}
/**
* \fn void operator(T& data, D...)
* \brief read a char from the archive. (we need to read unformatted input here to also read special chars like \n, spaces, etc...)
* \param T& the data to read.
* \param D... used for SFINAE.
*/
void operator() (char& data) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = *reinterpret_cast<char*> (conversionStringULong(parts[1]));
} else {
std::ostringstream oss;
oss<<typeid(data).name()<<"*"<<reinterpret_cast<unsigned long long int>(&data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
buffer.get(data);
char space;
buffer.get(space);
}
}
/**
* \fn void operator(T& data, D...)
* \brief read an unsigned char from the archive. (we need to read unformatted input here to also read special chars like \n, spaces, etc...)
* \param T& the data to read.
* \param D... used for SFINAE.
*/
void operator() (unsigned char& data) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = *reinterpret_cast<unsigned char*> (conversionStringULong(parts[1]));
} else {
std::ostringstream oss;
oss<<typeid(data).name()<<"*"<<reinterpret_cast<unsigned long long int>(&data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
buffer.get((char&) data);
char space;
buffer.get(space);
}
}
/**
* \fn void operator(T& data, D...)
* \brief read a pointer to a fundamental type from the archive.
* \param T& the data to read.
* \param D... used for SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<std::is_fundamental<T>::value>::type>
void operator() (T*& data, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
if (id != -1) {
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = reinterpret_cast<T*> (conversionStringULong(parts[1]));
} else {
data = new T();
std::ostringstream oss;
oss<<typeid(*data).name()<<"*"<<reinterpret_cast<unsigned long long int>(data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
buffer>>(*data);
char space;
buffer.get(space);
}
} else {
data = nullptr;
}
}
/**
* \fn void operator(T& data, D...)
* \brief read a pointer to a fundamental type from the archive.
* \param T& the data to read.
* \param D... used for SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<std::is_fundamental<T>::value>::type>
void operator() (char*& data, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
if (id != -1) {
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = reinterpret_cast<T*> (conversionStringULong(parts[1]));
} else {
data = new char();
std::ostringstream oss;
oss<<typeid(*data).name()<<"*"<<reinterpret_cast<unsigned long long int>(data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
buffer>>(*data);
char space;
buffer.get(space);
}
} else {
data = nullptr;
}
}
/**
* \fn void operator(T& data, D...)
* \brief read a pointer to a fundamental type from the archive.
* \param T& the data to read.
* \param D... used for SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<std::is_fundamental<T>::value>::type>
void operator() (unsigned char*& data, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
if (id != -1) {
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = reinterpret_cast<T*> (conversionStringULong(parts[1]));
} else {
data = new unsigned char();
std::ostringstream oss;
oss<<typeid(*data).name()<<"*"<<reinterpret_cast<unsigned long long int>(data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
buffer>>((char&) *data);
char space;
buffer.get(space);
}
} else {
data = nullptr;
}
}
template <typename E,
class... D,
class = typename std::enable_if<!std::is_fundamental<E>::value>::type,
class = typename std::enable_if<std::is_enum<E>::value>::type>
void operator()(E& data, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = *reinterpret_cast<E*> (conversionStringULong(parts[1]));
} else {
int eVal;
buffer>>eVal;
data = static_cast<E>(eVal);
char space;
buffer.get(space);
std::ostringstream oss;
oss<<typeid(data).name()<<"*"<<reinterpret_cast<unsigned long long int>(&data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
}
}
template <typename E,
class... D,
class = typename std::enable_if<!std::is_fundamental<E>::value>::type,
class = typename std::enable_if<std::is_enum<E>::value>::type>
void operator() (E*& data, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
if (id != -1) {
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = reinterpret_cast<E*> (conversionStringULong(parts[1]));
} else {
data = new E();
int eVal;
buffer>>eVal;
*data = static_cast<E>(eVal);
char space;
buffer.get(space);
std::ostringstream oss;
oss<<typeid(*data).name()<<"*"<<reinterpret_cast<unsigned long long int>(data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
}
} else {
data = nullptr;
}
}
//std::string.
/**
* \fn void operator(T& data, D...)
* \brief read an std::string from the archive.
* \param T& the data to read.
* \param D... used for SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<!std::is_fundamental<T>::value>::type,
class = typename std::enable_if<std::is_same<T, std::string>::value>::type,
class = typename std::enable_if<!std::is_enum<T>::value>::type>
void operator() (T& data, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = *reinterpret_cast<T*> (conversionStringULong(parts[1]));
} else {
std::size_t str_size;
buffer>>str_size;
char space;
buffer.get(space);
char* datas = new char[str_size];
for (unsigned int i = 0; i < str_size; i++) {
(*this)(datas[i]);
}
data = std::string(datas, str_size);
std::ostringstream oss;
oss<<typeid(data).name()<<"*"<<reinterpret_cast<unsigned long long int>(&data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
}
}
/**
* \fn void operator(T& data, D...)
* \brief read a pointer to an std::string from the archive.
* \param T* the data to read.
* \param D... used for SFINAE.
*/
template <typename T,
class... D,
class = typename std::enable_if<!std::is_fundamental<T>::value>::type,
class = typename std::enable_if<std::is_same<T, std::string>::value>::type,
class = typename std::enable_if<!std::is_enum<T>::value>::type>
void operator() (T*& data, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
if (id != -1) {
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
data = reinterpret_cast<T*> (conversionStringULong(parts[1]));
} else {
std::size_t str_size;
buffer>>str_size;
char space;
buffer.get(space);
char* datas = new char [str_size];
for (unsigned int i = 0; i < str_size; i++)
(*this)(datas[i]);
data = new std::string(datas, str_size);
std::ostringstream oss;
oss<<typeid(*data).name()<<"*"<<reinterpret_cast<unsigned long long int>(data);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
}
} else {
data = nullptr;
}
}
//Static objects.
/**
* \fn void operator(O& data, D...)
* \brief read a static object from the archive.
* \param O& the data to read.
* \param D... used for SFINAE.
*/
template <class O,
class... D,
class = typename std::enable_if<!std::is_fundamental<O>::value>::type,
class = typename std::enable_if<!std::is_same<O, std::string>::value && !std::is_pointer<O>::value>::type,
class = typename std::enable_if<!has_typedef_key<O>::value>::type,
class = typename std::enable_if<!std::is_enum<O>::value>::type>
void operator() (O& object, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
object = *reinterpret_cast<O*> (conversionStringULong(parts[1]));
} else {
std::ostringstream oss;
oss<<typeid(object).name()<<"*"<<reinterpret_cast<unsigned long long int>(&object);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
object.serialize(*this);
}
}
/**
* \fn void operator(O& data, D...)
* \brief read a pointer to a static object from the archive.
* \param O* the data to read.
* \param D... used for SFINAE.
*/
template <class O,
class... D,
class = typename std::enable_if<!std::is_fundamental<O>::value>::type,
class = typename std::enable_if<!std::is_same<O, std::string>::value>::type,
class = typename std::enable_if<!has_typedef_key<O>::value>::type,
class = typename std::enable_if<!std::is_enum<O>::value>::type>
void operator() (O*& object, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
if (id != -1) {
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
object = reinterpret_cast<O*> (conversionStringULong(parts[1]));
} else {
object = new O();
std::ostringstream oss;
oss<<typeid(*object).name()<<"*"<<reinterpret_cast<unsigned long long int>(object);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
object->serialize(*this);
}
} else {
object = nullptr;
}
}
//Dynamic objects.
/**
* \fn void operator(O* data, D...)
* \brief read a dynamic object from the archive.
* \param O& the data to read.
* \param D... used for SFINAE.
*/
template <class O,
class... D,
class = typename std::enable_if<!std::is_fundamental<O>::value>::type,
class = typename std::enable_if<!std::is_same<O, std::string>::value>::type,
class = typename std::enable_if<has_typedef_key<O>::value>::type,
class = typename std::enable_if<!std::is_enum<O>::value>::type,
class = typename std::enable_if<!sizeof...(D)>::type>
void operator() (O& object, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
object = *reinterpret_cast<O*> (conversionStringULong(parts[1]));
} else {
std::ostringstream oss;
oss<<typeid(object).name()<<"*"<<reinterpret_cast<unsigned long long int>(&object);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
if (typeid(decltype(object)) == typeid(object)) {
object.vtserialize(*this);
} else {
object.key.register_object(&object);
object.key.serialize_object("serialize", "ITextArchive", *this);
}
}
}
/**
* \fn void operator(O* data, D...)
* \brief read a pointer to a non abstract dynamic object from the archive.
* \param O* the data to read.
* \param D... used for SFINAE.
*/
template <class O,
class... D,
class = typename std::enable_if<!std::is_fundamental<O>::value>::type,
class = typename std::enable_if<!std::is_same<O, std::string>::value>::type,
class = typename std::enable_if<!std::is_enum<O>::value>::type,
class = typename std::enable_if<has_typedef_key<O>::value && !std::is_abstract<O>::value>::type,
class = typename std::enable_if<!sizeof...(D)>::type>
void operator() (O*& object, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
if (id != -1) {
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
object = reinterpret_cast<O*> (conversionStringULong(parts[1]));
} else {
std::string typeName;
getline(buffer, typeName);
if (typeName == "BaseType") {
object = new O();
std::ostringstream oss;
oss<<typeid(*object).name()<<"*"<<reinterpret_cast<unsigned long long int>(object);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
object->vtserialize(*this);
} else {
object = dynamic_cast<O*>(O::allocate(typeName));
std::ostringstream oss;
oss<<typeid(*object).name()<<"*"<<reinterpret_cast<unsigned long long int>(object);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
object->key.register_object(object);
object->key.serialize_object("serialize", "ITextArchive", *this);
}
}
} else {
object = nullptr;
}
}
/**
* \fn void operator(O* data, D...)
* \brief read a pointer to an abstract dynamic object from the archive.
* \param O* the data to read.
* \param D... used for SFINAE.
*/
template <class O,
class... D,
class = typename std::enable_if<!std::is_fundamental<O>::value>::type,
class = typename std::enable_if<!std::is_same<O, std::string>::value>::type,
class = typename std::enable_if<!std::is_enum<O>::value>::type,
class = typename std::enable_if<has_typedef_key<O>::value>::type,
class = typename std::enable_if<std::is_abstract<O>::value>::type,
class = typename std::enable_if<!sizeof...(D)>::type>
void operator() (O*& object, D...) {
long long int id;
buffer>>id;
char space;
buffer.get(space);
if (id != -1) {
std::map<long long int, std::string>::iterator it = adresses.find(id);
if (it != adresses.end()) {
std::istringstream iss(it->second);
std::vector<std::string> parts = split(iss.str(), "*");
object = reinterpret_cast<O*> (conversionStringULong(parts[1]));
} else {
std::string typeName;
getline(buffer, typeName);
object = dynamic_cast<O*>(O::allocate(typeName));
std::ostringstream oss;
oss<<typeid(*object).name()<<"*"<<reinterpret_cast<unsigned long long int>(object);
std::pair<long long int, std::string> newAddress (id, oss.str());
adresses.insert(newAddress);
nbDeserialized++;
object->key.register_object(object);
object->key.serialize_object("serialize", "ITextArchive", *this);
}
} else {
object = nullptr;
}
}
/**
* \fn void operator(O* data, D...)
* \brief read a list of objects from the archive.
* \param O* the data to read.
* \param D... used for SFINAE.
*/
template <class O>
void operator() (std::vector<O>& objects) {
std::size_t size;
buffer>>size;
char space;
buffer.get(space);
for (unsigned int i = 0; i < size; i++) {
O object;
(*this)(object);
objects.push_back(std::move(object));
}
}
template <class T>
void operator() (std::unique_ptr<T>& ptr) {
T* tmp;
(*this)(tmp);
if (tmp != nullptr)
ptr.reset(tmp);
}
template <class T1, class T2>
void operator()(std::pair<T1, T2>& pair) {
T1 type1;
T2 type2;
(*this)(type1);
(*this)(type2);
pair = std::make_pair(type1, type2);
}
template <class T1, class T2>
void operator()(std::map<T1, T2>& map) {
std::size_t size;
buffer>>size;
char space;
buffer.get(space);
for (unsigned int i = 0; i < size; i++) {
std::pair<T1, T2> pair;
(*this)(pair);
map.insert(pair);
}
}
/**
* Decode length value. The offset is decoded the same way.
*
* @param input - pointer to array of bytes which encodes the length.
* @return the encoded length/offset value. *input pointer is shifted by the read length.
*/
int DecodeLength(u8 **input)
{
int ret = 0;
int shift = 6;
u8 *b = *input;
(*input)++;
ret += *b & 0x3f;
if ((*b & 0x40) == 0)
return ret;
do
{
b = *input;
(*input)++;
ret |= ((int)(*b & 0x7f)) << shift;
shift+=7;
} while ((*b & 0x80) != 0);
return ret;
}
/**
* Writes one output byte.
*
* @param out - output byte
* @param output - pointer to output array.
*/
void OutputByte(u8 out, u8 **output)
{
**output = out;
*output += 1;
}
/**
* utf16 Decompress function. This function implements described decompression algorithm.
*
* @param input - input compressed data
* @param len - length of input
* @param output - output buffer
* @return number of extracted utf16 characters
*/
int utf16_decompress(u8 *input, int len, u16 *output)
{
u8 *o = (u8 *)output;
int offset, length;
u8 *end = input + len;
int c;
while (input < end) {
/* decite what to decode. Match or set of literals?*/
if (*input & 0x80)
{ /* match */
length = DecodeLength(&input);
offset = DecodeOffset(&input); // same algorithm as DecodeLength
while (length-- > 0)
{
*output = *(output - offset);
++output;
}
}
else
{
/* literal */
length = DecodeLength(&input);
*output = *input++;
*output++ |= ((unsigned int)(*input++)) << 8;
--length;
while (length-- > 0) {
c = *input & 0x7F;
if (*input++ & 0x80) { /* two bytes */
c |= ((unsigned int)*input & 0x7F) << 7;
if (*input++ & 0x80) { /* three bytes */
c |= *input++ << 14;
if (c & 0x10000) /* negative number */
c |= 0xFFFF0000;
}
else if (c & 0x2000) /* negative number */
c |= 0xFFFFC000;
}
else if (c & 0x40) /* negative number */
c |= 0xFFFFFF80;
*output = *(output - 1) - c;
++output;
}
}
}
return (u8 *) output - o;
}
/** \fn istream& operator<<(std::istream& in)
* \brief decompress the archive's data and put it into an input stream.
* \param std::istream& in : the input stream where to decompress the data.
* \return the input stream where the datas are decompressed.
*/
friend std::istream& operator>>(std::istream& in, ITextArchive& ia) {
std::streambuf * pbuf = in.rdbuf();
long size = pbuf->pubseekoff(0,in.end);
char* contents = new char [size];
pbuf->sgetn (contents,size);
ia.buffer.rdbuf()->pubsetbuf(contents, size);
ia.decompress_stdin();
return in;
}
private :
std::istream& buffer; /**< the buffer where to read the data.*/
std::map<long long int, std::string> adresses; /**< an std::map used to store ids and adresses of readed pointers.*/
unsigned long long int nbDeserialized; /** the nb object which have been deserailized.*/
};
}
}
#endif // ODFAEG_ARCHIVE |
Problème d'adressage avec les objets.
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