changed spaces to tabs

This commit is contained in:
Bob Polis 2020-02-19 18:51:39 +01:00
parent 77ea0fb08e
commit 15f402e5ff
2 changed files with 151 additions and 151 deletions

View File

@ -16,92 +16,92 @@ using namespace sc::io;
// data_streamer ---------------------------------------------------------------
byte_order data_streamer::cur_byte_order() {
uint8_t ch[2] = {0x12, 0x34};
uint16_t* p = reinterpret_cast<uint16_t*>(ch);
return *p == 0x1234 ? byte_order::big_endian : byte_order::little_endian;
uint8_t ch[2] = {0x12, 0x34};
uint16_t* p = reinterpret_cast<uint16_t*>(ch);
return *p == 0x1234 ? byte_order::big_endian : byte_order::little_endian;
}
std::string data_streamer::get4chars(std::istream& file) const {
char buf[4];
file.read(buf, 4);
return std::string(buf, 4);
char buf[4];
file.read(buf, 4);
return std::string(buf, 4);
}
uint32_t data_streamer::getui24(std::istream& file) const {
char buf[4] = {0};
file.read(&buf[1], 3);
if (cur_byte_order() != _target_byte_order) {
char tmp = buf[1];
buf[1] = buf[3];
buf[3] = tmp;
}
return *reinterpret_cast<uint32_t*>(buf);
char buf[4] = {0};
file.read(&buf[1], 3);
if (cur_byte_order() != _target_byte_order) {
char tmp = buf[1];
buf[1] = buf[3];
buf[3] = tmp;
}
return *reinterpret_cast<uint32_t*>(buf);
}
int32_t data_streamer::getsi24(std::istream& file) const {
return static_cast<int32_t>(getui24(file));
return static_cast<int32_t>(getui24(file));
}
double data_streamer::getf80(std::istream& file) const {
float_80 val;
file.read(reinterpret_cast<char*>(val._val), sizeof(val._val));
if (_target_byte_order != byte_order::big_endian) {
byte_swap(val._val, sizeof(val._val));
}
return val;
float_80 val;
file.read(reinterpret_cast<char*>(val._val), sizeof(val._val));
if (_target_byte_order != byte_order::big_endian) {
byte_swap(val._val, sizeof(val._val));
}
return val;
}
void data_streamer::put4chars(const std::string& s, std::ostream& file) const {
if (s.size() < 4) {
throw std::runtime_error("data_streamer::put4chars: string too short");
}
file.write(s.c_str(), 4);
if (s.size() < 4) {
throw std::runtime_error("data_streamer::put4chars: string too short");
}
file.write(s.c_str(), 4);
}
void data_streamer::putui24(uint32_t val, std::ostream& file) const {
char* buf = reinterpret_cast<char*>(&val);
if (cur_byte_order() != _target_byte_order) {
char tmp = buf[1];
buf[1] = buf[3];
buf[3] = tmp;
}
file.write(&buf[1], 3);
char* buf = reinterpret_cast<char*>(&val);
if (cur_byte_order() != _target_byte_order) {
char tmp = buf[1];
buf[1] = buf[3];
buf[3] = tmp;
}
file.write(&buf[1], 3);
}
void data_streamer::putsi24(int32_t val, std::ostream& file) const {
putui24(static_cast<uint32_t>(val), file);
putui24(static_cast<uint32_t>(val), file);
}
// byte_order_changer ----------------------------------------------------------
byte_order_changer::byte_order_changer(data_streamer* ds, byte_order order) : _data_streamer {ds} {
if (ds == nullptr) {
std::cerr << "byte_order_changer: no data streamer given\n";
return;
}
_saved_byte_order = _data_streamer->target_byte_order();
_data_streamer->target_byte_order(order);
if (ds == nullptr) {
std::cerr << "byte_order_changer: no data streamer given\n";
return;
}
_saved_byte_order = _data_streamer->target_byte_order();
_data_streamer->target_byte_order(order);
}
byte_order_changer::~byte_order_changer() {
if (_data_streamer) {
_data_streamer->target_byte_order(_saved_byte_order);
}
if (_data_streamer) {
_data_streamer->target_byte_order(_saved_byte_order);
}
}
byte_order_changer::byte_order_changer(byte_order_changer&& other) {
_data_streamer = other._data_streamer;
_saved_byte_order = other._saved_byte_order;
other._data_streamer = nullptr;
_data_streamer = other._data_streamer;
_saved_byte_order = other._saved_byte_order;
other._data_streamer = nullptr;
}
byte_order_changer& byte_order_changer::operator=(byte_order_changer&& other) {
if (&other != this) {
_data_streamer = other._data_streamer;
_saved_byte_order = other._saved_byte_order;
other._data_streamer = nullptr;
}
return *this;
if (&other != this) {
_data_streamer = other._data_streamer;
_saved_byte_order = other._saved_byte_order;
other._data_streamer = nullptr;
}
return *this;
}
// float_80 --------------------------------------------------------------------

View File

@ -38,140 +38,140 @@ namespace sc {
fdoutbuf _buf;
};
class fdinbuf : public std::streambuf {
class fdinbuf : public std::streambuf {
};
};
class fdistream : public std::istream {
class fdistream : public std::istream {
};
};
class fdstream : public fdostream, public fdistream {
class fdstream : public fdostream, public fdistream {
};
};
class socketstream : public fdstream {
class socketstream : public fdstream {
};
};
class meminbuf : public std::streambuf {
class meminbuf : public std::streambuf {
};
};
class memistream : public std::istream {
class memistream : public std::istream {
};
};
class memoutbuf : public std::streambuf {
class memoutbuf : public std::streambuf {
};
};
class memostream : public std::ostream {
class memostream : public std::ostream {
};
};
class memstream : public memostream, public memistream {
class memstream : public memostream, public memistream {
};
};
struct float_80 {
unsigned char _val[10]; // big endian
struct float_80 {
unsigned char _val[10]; // big endian
float_80();
float_80(double val);
operator double() const;
};
float_80();
float_80(double val);
operator double() const;
};
enum class byte_order {
undefined,
little_endian,
big_endian
};
enum class byte_order {
undefined,
little_endian,
big_endian
};
class data_streamer {
public:
static byte_order cur_byte_order();
static inline void byte_swap(void* val, size_t n) {
char* p = reinterpret_cast<char*>(val);
for (size_t i = 0; i < n / 2; ++i) {
std::swap(p[i], p[n - 1 - i]);
}
}
template<class T>
inline T get(std::istream& file) const {
char buf[sizeof(T)];
file.read(buf, sizeof(T));
if (cur_byte_order() != _target_byte_order) {
byte_swap(buf, sizeof(T));
}
return *reinterpret_cast<T*>(buf);
}
template<class T>
inline void put(T val, std::ostream& file) const {
if (cur_byte_order() != _target_byte_order) {
byte_swap(&val, sizeof(T));
}
file.write(reinterpret_cast<char*>(&val), sizeof(T));
}
class data_streamer {
public:
static byte_order cur_byte_order();
static inline void byte_swap(void* val, size_t n) {
char* p = reinterpret_cast<char*>(val);
for (size_t i = 0; i < n / 2; ++i) {
std::swap(p[i], p[n - 1 - i]);
}
}
template<class T>
inline T get(std::istream& file) const {
char buf[sizeof(T)];
file.read(buf, sizeof(T));
if (cur_byte_order() != _target_byte_order) {
byte_swap(buf, sizeof(T));
}
return *reinterpret_cast<T*>(buf);
}
template<class T>
inline void put(T val, std::ostream& file) const {
if (cur_byte_order() != _target_byte_order) {
byte_swap(&val, sizeof(T));
}
file.write(reinterpret_cast<char*>(&val), sizeof(T));
}
data_streamer() = default;
data_streamer() = default;
byte_order target_byte_order() const { return _target_byte_order; }
void target_byte_order(byte_order new_byte_order) { _target_byte_order = new_byte_order; }
byte_order target_byte_order() const { return _target_byte_order; }
void target_byte_order(byte_order new_byte_order) { _target_byte_order = new_byte_order; }
std::string get4chars(std::istream& file) const;
std::string get4chars(std::istream& file) const;
uint8_t getui8(std::istream& file) const { return static_cast<uint8_t>(file.get()); }
int8_t getsi8(std::istream& file) const { return file.get(); }
uint16_t getui16(std::istream& file) const { return get<uint16_t>(file); }
int16_t getsi16(std::istream& file) const { return get<int16_t>(file); }
uint32_t getui24(std::istream& file) const;
int32_t getsi24(std::istream& file) const;
uint32_t getui32(std::istream& file) const { return get<uint32_t>(file); }
int32_t getsi32(std::istream& file) const { return get<int32_t>(file); }
uint64_t getui64(std::istream& file) const { return get<uint64_t>(file); }
int64_t getsi64(std::istream& file) const { return get<int64_t>(file); }
uint8_t getui8(std::istream& file) const { return static_cast<uint8_t>(file.get()); }
int8_t getsi8(std::istream& file) const { return file.get(); }
uint16_t getui16(std::istream& file) const { return get<uint16_t>(file); }
int16_t getsi16(std::istream& file) const { return get<int16_t>(file); }
uint32_t getui24(std::istream& file) const;
int32_t getsi24(std::istream& file) const;
uint32_t getui32(std::istream& file) const { return get<uint32_t>(file); }
int32_t getsi32(std::istream& file) const { return get<int32_t>(file); }
uint64_t getui64(std::istream& file) const { return get<uint64_t>(file); }
int64_t getsi64(std::istream& file) const { return get<int64_t>(file); }
float getf32(std::istream& file) const { return get<float>(file); }
double getf64(std::istream& file) const { return get<double>(file); }
double getf80(std::istream& file) const;
float getf32(std::istream& file) const { return get<float>(file); }
double getf64(std::istream& file) const { return get<double>(file); }
double getf80(std::istream& file) const;
void put4chars(const std::string& s, std::ostream& file) const;
void put4chars(const std::string& s, std::ostream& file) const;
void putui8(uint8_t val, std::ostream& file) const { file.put(val); }
void putsi8(int8_t val, std::ostream& file) const { file.put(val); }
void putui16(uint16_t val, std::ostream& file) const { put<uint16_t>(val, file); }
void putsi16(int16_t val, std::ostream& file) const { put<int16_t>(val, file); }
void putui24(uint32_t val, std::ostream& file) const;
void putsi24(int32_t val, std::ostream& file) const;
void putui32(uint32_t val, std::ostream& file) const { put<uint32_t>(val, file); }
void putsi32(int32_t val, std::ostream& file) const { put<int32_t>(val, file); }
void putui64(uint64_t val, std::ostream& file) const { put<uint64_t>(val, file); }
void putsi64(int64_t val, std::ostream& file) const { put<int64_t>(val, file); }
void putui8(uint8_t val, std::ostream& file) const { file.put(val); }
void putsi8(int8_t val, std::ostream& file) const { file.put(val); }
void putui16(uint16_t val, std::ostream& file) const { put<uint16_t>(val, file); }
void putsi16(int16_t val, std::ostream& file) const { put<int16_t>(val, file); }
void putui24(uint32_t val, std::ostream& file) const;
void putsi24(int32_t val, std::ostream& file) const;
void putui32(uint32_t val, std::ostream& file) const { put<uint32_t>(val, file); }
void putsi32(int32_t val, std::ostream& file) const { put<int32_t>(val, file); }
void putui64(uint64_t val, std::ostream& file) const { put<uint64_t>(val, file); }
void putsi64(int64_t val, std::ostream& file) const { put<int64_t>(val, file); }
void putf32(float val, std::ostream& file) const { put<float>(val, file); }
void putf64(double val, std::ostream& file) const { put<double>(val, file); }
void putf80(double val, std::ostream& file) const;
void putf32(float val, std::ostream& file) const { put<float>(val, file); }
void putf64(double val, std::ostream& file) const { put<double>(val, file); }
void putf80(double val, std::ostream& file) const;
private:
byte_order _target_byte_order {cur_byte_order()};
};
private:
byte_order _target_byte_order {cur_byte_order()};
};
class byte_order_changer {
public:
byte_order_changer(data_streamer* ds, byte_order order);
~byte_order_changer();
class byte_order_changer {
public:
byte_order_changer(data_streamer* ds, byte_order order);
~byte_order_changer();
byte_order_changer(byte_order_changer&& other);
byte_order_changer& operator=(byte_order_changer&& other);
byte_order_changer(byte_order_changer&& other);
byte_order_changer& operator=(byte_order_changer&& other);
byte_order_changer(const byte_order_changer&) = delete;
byte_order_changer& operator=(const byte_order_changer&) = delete;
byte_order_changer(const byte_order_changer&) = delete;
byte_order_changer& operator=(const byte_order_changer&) = delete;
private:
data_streamer* _data_streamer {nullptr};
byte_order _saved_byte_order {byte_order::undefined};
};
private:
data_streamer* _data_streamer {nullptr};
byte_order _saved_byte_order {byte_order::undefined};
};
}