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|
#ifndef MSGPACK_OBJECT_HPP__
#define MSGPACK_OBJECT_HPP__
#include <iostream>
#include <cstddef>
#include <stdexcept>
#include <typeinfo>
#include <ostream>
#include <vector>
#include <map>
#include <string>
namespace msgpack {
class type_error : public std::bad_cast { };
class cast_error : public type_error { };
class overflow_error : public type_error { };
class underflow_error : public type_error { };
class positive_overflow_error : public overflow_error { };
class negative_overflow_error : public overflow_error { };
struct raw {
explicit raw() : ptr(NULL), len(0) {}
explicit raw(void* p, size_t l) : ptr(p), len(l) {}
public:
void* ptr;
size_t len;
public:
std::string str() { return std::string((const char*)ptr, len); }
};
struct const_raw {
const_raw() : ptr(NULL), len(0) {}
const_raw(const void* p, size_t l) : ptr(p), len(l) {}
public:
const void* ptr;
size_t len;
public:
std::string str() { return std::string((const char*)ptr, len); }
};
struct object;
typedef std::map<object, object> map;
typedef std::vector<object> array;
template <typename T, typename X, bool TSigned, bool XSigned>
struct numeric_overflow_signed_impl;
template <typename T, typename X>
struct numeric_overflow_signed_impl<T, X, true, true> {
static int test(X x) {
if( ( std::numeric_limits<T>::is_integer && std::numeric_limits<X>::is_integer) ||
(!std::numeric_limits<T>::is_integer && !std::numeric_limits<X>::is_integer) ) {
if( sizeof(T) < sizeof(X) ) {
if( static_cast<X>( std::numeric_limits<T>::max()) < x ) { return 1; }
if( static_cast<X>(-std::numeric_limits<T>::max()) > x ) { return -1; }
}
} else if(std::numeric_limits<T>::is_integer) {
if( static_cast<X>( std::numeric_limits<T>::max()) < x) { return 1; }
if( static_cast<X>(-std::numeric_limits<T>::max()) > x) { return -1; }
}
return 0;
}
};
template <typename T, typename X>
struct numeric_overflow_signed_impl<T, X, true, false> {
static int test(X x) {
if( ( std::numeric_limits<T>::is_integer && std::numeric_limits<X>::is_integer) ||
(!std::numeric_limits<T>::is_integer && !std::numeric_limits<X>::is_integer) ) {
if( sizeof(T) <= sizeof(X) ) {
if( static_cast<X>(std::numeric_limits<T>::max()) < x ) { return 1; }
}
} else if(std::numeric_limits<T>::is_integer) {
if( static_cast<X>( std::numeric_limits<T>::max()) < x) { return 1; }
}
return 0;
}
};
template <typename T, typename X>
struct numeric_overflow_signed_impl<T, X, false, true> {
static int test(X x) {
if( static_cast<X>(0) > x ) { return -1; }
if( ( std::numeric_limits<T>::is_integer && std::numeric_limits<X>::is_integer) ||
(!std::numeric_limits<T>::is_integer && !std::numeric_limits<X>::is_integer) ) {
if( sizeof(T) < sizeof(X) ) {
if( static_cast<X>(std::numeric_limits<T>::max()) < x ) { return 1; }
}
} else if(std::numeric_limits<T>::is_integer) {
if( static_cast<X>( std::numeric_limits<T>::max()) < x) { return 1; }
}
return 0;
}
};
template <typename T, typename X>
struct numeric_overflow_signed_impl<T, X, false, false> {
static int test(X x) {
if( ( std::numeric_limits<T>::is_integer && std::numeric_limits<X>::is_integer) ||
(!std::numeric_limits<T>::is_integer && !std::numeric_limits<X>::is_integer) ) {
if( sizeof(T) < sizeof(X) ) {
if( static_cast<X>(std::numeric_limits<T>::max()) < x ) { return 1; }
}
} else if(std::numeric_limits<T>::is_integer) {
if( static_cast<X>(std::numeric_limits<T>::max()) < x ) { return 1; }
}
return 0;
}
};
template <typename T, typename X>
struct numeric_overflow {
static int test(X x) {
return numeric_overflow_signed_impl<T, X, std::numeric_limits<T>::is_signed, std::numeric_limits<X>::is_signed>::test(x);
}
static void check(X x) {
int r = test(x);
if(r == 1) { throw positive_overflow_error(); }
if(r == -1) { throw negative_overflow_error(); }
}
};
template <typename T, typename X>
struct numeric_underflow {
static bool test(X x) {
return static_cast<X>(static_cast<T>(x)) != x;
}
static void check(X x) {
if(test(x)) { throw underflow_error(); }
}
};
struct object_class {
virtual ~object_class() {}
virtual bool isnil() const { return false; }
virtual bool xbool() const { throw cast_error(); }
virtual uint8_t xu8() const { throw cast_error(); }
virtual uint16_t xu16() const { throw cast_error(); }
virtual uint32_t xu32() const { throw cast_error(); }
virtual uint64_t xu64() const { throw cast_error(); }
virtual int8_t xi8() const { throw cast_error(); }
virtual int16_t xi16() const { throw cast_error(); }
virtual int32_t xi32() const { throw cast_error(); }
virtual int64_t xi64() const { throw cast_error(); }
virtual float xfloat() const { throw cast_error(); }
virtual double xdouble() const { throw cast_error(); }
virtual raw xraw() { throw cast_error(); }
virtual array& xarray() { throw cast_error(); }
virtual map& xmap() { throw cast_error(); }
virtual const_raw xraw() const { throw cast_error(); }
virtual const array& xarray() const { throw cast_error(); }
virtual const map& xmap() const { throw cast_error(); }
virtual bool operator== (const object_class* x) const { return false; }
bool operator!= (const object_class* x) const { return !(this->operator==(x)); }
virtual bool operator< (const object_class* x) const { throw cast_error(); }
virtual bool operator> (const object_class* x) const { throw cast_error(); }
operator bool() const { return xbool(); } // FIXME !isnil();
operator uint8_t() const { return xu8(); }
operator uint16_t() const { return xu16(); }
operator uint32_t() const { return xu32(); }
operator uint64_t() const { return xu64(); }
operator int8_t() const { return xi8(); }
operator int16_t() const { return xi16(); }
operator int32_t() const { return xi32(); }
operator int64_t() const { return xi64(); }
operator float() const { return xfloat(); }
operator double() const { return xdouble(); }
operator raw() { return xraw(); }
operator array&() { return xarray(); }
operator map&() { return xmap(); }
operator const_raw() const { return xraw(); }
operator const array&() const { return xarray(); }
operator const map&() const { return xmap(); }
virtual const object_class* inspect(std::ostream& s) const
{ s << '<' << typeid(*this).name() << '>'; return this; }
protected:
template <typename T, typename X>
static void check_overflow(X x) { numeric_overflow<T, X>::check(x); }
template <typename T, typename X>
static void check_underflow(X x) { numeric_underflow<T, X>::check(x); }
};
inline std::ostream& operator<< (std::ostream& s, const object_class* o)
{ o->inspect(s); return s; }
struct object_container_mixin {};
struct object_constructor_mixin {};
struct object {
explicit object() : val(NULL) {}
object(object_class* v) : val(v) {}
//object(object_class& v) : val(&v) {}
~object() {}
bool isnil() const { return val->isnil(); }
bool xbool() const { return val->xbool(); }
uint8_t xu8() const { return val->xu8(); }
uint16_t xu16() const { return val->xu16(); }
uint32_t xu32() const { return val->xu32(); }
uint64_t xu64() const { return val->xu64(); }
int8_t xi8() const { return val->xi8(); }
int16_t xi16() const { return val->xi16(); }
int32_t xi32() const { return val->xi32(); }
int64_t xi64() const { return val->xi64(); }
float xfloat() const { return val->xfloat(); }
double xdouble() const { return val->xdouble(); }
raw xraw() { return val->xraw(); }
array& xarray() { return val->xarray(); }
map& xmap() { return val->xmap(); }
const_raw xraw() const { return const_cast<const object_class*>(val)->xraw(); }
const array& xarray() const { return const_cast<const object_class*>(val)->xarray(); }
const map& xmap() const { return const_cast<const object_class*>(val)->xmap(); }
bool operator== (object x) const { return val->operator== (x.val); }
bool operator!= (object x) const { return val->operator!= (x.val); }
bool operator< (object x) const { return val->operator< (x.val); }
bool operator> (object x) const { return val->operator> (x.val); }
operator bool() const { return val->operator bool(); }
operator uint8_t() const { return val->operator uint8_t(); }
operator uint16_t() const { return val->operator uint16_t(); }
operator uint32_t() const { return val->operator uint32_t(); }
operator uint64_t() const { return val->operator uint64_t(); }
operator int8_t() const { return val->operator int8_t(); }
operator int16_t() const { return val->operator int16_t(); }
operator int32_t() const { return val->operator int32_t(); }
operator int64_t() const { return val->operator int64_t(); }
operator float() const { return val->operator float(); }
operator double() const { return val->operator double(); }
operator raw() { return val->operator raw(); }
operator array&() { return val->operator array&(); }
operator map&() { return val->operator map&(); }
operator raw() const { return val->operator raw(); }
operator array&() const { return val->operator array&(); }
operator map&() const { return val->operator map&(); }
const object& inspect(std::ostream& s) const
{ val->inspect(s); return *this; }
private:
friend class object_container_mixin;
friend class object_constructor_mixin;
object_class* val;
};
inline std::ostream& operator<< (std::ostream& s, const object& o)
{ o.inspect(s); return s; }
struct object_nil : object_class {
bool isnil() const { return true; }
bool operator== (const object_class* x) const { return typeid(*this) == typeid(*x); }
const object_class* inspect(std::ostream& s) const
{ s << "nil"; return this; }
};
struct object_true : object_class {
bool xbool() const { return true; }
bool operator== (const object_class* x) const { return typeid(*this) == typeid(*x); }
const object_class* inspect(std::ostream& s) const
{ s << "true"; return this; }
};
struct object_false : object_class {
bool xbool() const { return false; }
bool operator== (const object_class* x) const { return typeid(*this) == typeid(*x); }
const object_class* inspect(std::ostream& s) const
{ s << "false"; return this; }
};
struct object_u8 : object_class {
explicit object_u8(uint8_t v) : val(v) {}
uint8_t xu8() const { return val; }
uint16_t xu16() const { return static_cast<uint16_t>(val); }
uint32_t xu32() const { return static_cast<uint32_t>(val); }
uint64_t xu64() const { return static_cast<uint64_t>(val); }
int8_t xi8() const { check_overflow<int8_t>(val);
return static_cast<int8_t>(val); }
int16_t xi16() const { return static_cast<int16_t>(val); }
int32_t xi32() const { return static_cast<int32_t>(val); }
int64_t xi64() const { return static_cast<int64_t>(val); }
float xfloat() const { return static_cast<float>(val); }
double xdouble() const { return static_cast<double>(val); }
bool operator== (const object_class* x) const { try { return val == x->xu8(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return val < x->xu8(); }
catch (positive_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
bool operator> (const object_class* x) const { try { return val > x->xu8(); }
catch (negative_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
const object_class* inspect(std::ostream& s) const
{ s << (uint16_t)val; return this; }
private:
uint8_t val;
};
struct object_u16 : object_class {
explicit object_u16(uint16_t v) : val(v) {}
uint8_t xu8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint16_t xu16() const { return val; }
uint32_t xu32() const { return static_cast<uint32_t>(val); }
uint64_t xu64() const { return static_cast<uint64_t>(val); }
int8_t xi8() const { check_overflow<int8_t>(val);
return static_cast<int8_t>(val); }
int16_t xi16() const { check_overflow<int16_t>(val);
return static_cast<int16_t>(val); }
int32_t xi32() const { return static_cast<int32_t>(val); }
int64_t xi64() const { return static_cast<int64_t>(val); }
float xfloat() const { return static_cast<float>(val); }
double xdouble() const { return static_cast<double>(val); }
bool operator== (const object_class* x) const { try { return val == x->xu16(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return val < x->xu16(); }
catch (positive_overflow_error&) { return true; }
catch (type_error&) { return false; } }
bool operator> (const object_class* x) const { try { return val > x->xu16(); }
catch (negative_overflow_error&) { return true; }
catch (type_error&) { return false; } }
const object_class* inspect(std::ostream& s) const
{ s << val; return this; }
private:
uint16_t val;
};
struct object_u32 : object_class {
explicit object_u32(uint32_t v) : val(v) {}
uint8_t xu8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint16_t xu16() const { check_overflow<uint16_t>(val);
return static_cast<uint16_t>(val); }
uint32_t xu32() const { return val; }
uint64_t xu64() const { return static_cast<uint64_t>(val); }
int8_t xi8() const { check_overflow<int8_t>(val);
return static_cast<int8_t>(val); }
int16_t xi16() const { check_overflow<int16_t>(val);
return static_cast<int16_t>(val); }
int32_t xi32() const { check_overflow<int32_t>(val);
return static_cast<int32_t>(val); }
int64_t xi64() const { return static_cast<int64_t>(val); }
float xfloat() const { check_underflow<float>(val);
return static_cast<float>(val); }
double xdouble() const { return static_cast<double>(val); }
bool operator== (const object_class* x) const { try { return val == x->xu32(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return val < x->xu32(); }
catch (positive_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
bool operator> (const object_class* x) const { try { return val > x->xu32(); }
catch (negative_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
const object_class* inspect(std::ostream& s) const
{ s << val; return this; }
private:
uint32_t val;
};
struct object_u64 : object_class {
explicit object_u64(uint64_t v) : val(v) {}
uint8_t xu8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint16_t xu16() const { check_overflow<uint16_t>(val);
return static_cast<uint16_t>(val); }
uint32_t xu32() const { check_overflow<uint32_t>(val);
return static_cast<uint32_t>(val); }
uint64_t xu64() const { return val; }
int8_t xi8() const { check_overflow<int8_t>(val);
return static_cast<int8_t>(val); }
int16_t xi16() const { check_overflow<int16_t>(val);
return static_cast<int16_t>(val); }
int32_t xi32() const { check_overflow<int32_t>(val);
return static_cast<int32_t>(val); }
int64_t xi64() const { check_overflow<int64_t>(val);
return static_cast<int64_t>(val); }
float xfloat() const { check_underflow<float>(val);
return static_cast<float>(val); }
double xdouble() const { check_underflow<double>(val);
return static_cast<double>(val); }
bool operator== (const object_class* x) const { try { return val == x->xu64(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return val < x->xu64(); }
catch (positive_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
bool operator> (const object_class* x) const { try { return val > x->xu64(); }
catch (negative_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
const object_class* inspect(std::ostream& s) const
{ s << val; return this; }
private:
uint64_t val;
};
struct object_i8 : object_class {
explicit object_i8(int8_t v) : val(v) {}
uint8_t xu8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint16_t xu16() const { check_overflow<uint16_t>(val);
return static_cast<uint16_t>(val); }
uint32_t xu32() const { check_overflow<uint32_t>(val);
return static_cast<uint32_t>(val); }
uint64_t xu64() const { check_overflow<uint64_t>(val);
return static_cast<uint64_t>(val); }
int8_t xi8() const { return val; }
int16_t xi16() const { return static_cast<int16_t>(val); }
int32_t xi32() const { return static_cast<int32_t>(val); }
int64_t xi64() const { return static_cast<int64_t>(val); }
float xfloat() const { return static_cast<float>(val); }
double xdouble() const { return static_cast<double>(val); }
bool operator== (const object_class* x) const { try { return val == x->xi8(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return val < x->xi8(); }
catch (positive_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
bool operator> (const object_class* x) const { try { return val > x->xi8(); }
catch (negative_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
const object_class* inspect(std::ostream& s) const
{ s << (int16_t)val; return this; }
private:
int8_t val;
};
struct object_i16 : object_class {
explicit object_i16(int16_t v) : val(v) {}
uint8_t xu8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint16_t xu16() const { check_overflow<uint16_t>(val);
return static_cast<uint16_t>(val); }
uint32_t xu32() const { check_overflow<uint32_t>(val);
return static_cast<uint32_t>(val); }
uint64_t xu64() const { check_overflow<uint64_t>(val);
return static_cast<uint64_t>(val); }
int8_t xi8() const { check_overflow<int8_t>(val);
return static_cast<int8_t>(val); }
int16_t xi16() const { return val; }
int32_t xi32() const { return static_cast<int32_t>(val); }
int64_t xi64() const { return static_cast<int64_t>(val); }
float xfloat() const { return static_cast<float>(val); }
double xdouble() const { return static_cast<double>(val); }
bool operator== (const object_class* x) const { try { return val == x->xi16(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return val < x->xi16(); }
catch (positive_overflow_error&) { return true; }
catch (type_error&) { return false; } }
bool operator> (const object_class* x) const { try { return val > x->xi16(); }
catch (negative_overflow_error&) { return true; }
catch (type_error&) { return false; } }
const object_class* inspect(std::ostream& s) const
{ s << val; return this; }
private:
int16_t val;
};
struct object_i32 : object_class {
explicit object_i32(int32_t v) : val(v) {}
uint8_t xu8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint16_t xu16() const { check_overflow<uint16_t>(val);
return static_cast<uint16_t>(val); }
uint32_t xu32() const { check_overflow<uint32_t>(val);
return static_cast<uint32_t>(val); }
uint64_t xu64() const { check_overflow<uint64_t>(val);
return static_cast<uint64_t>(val); }
int8_t xi8() const { check_overflow<int8_t>(val);
return static_cast<int8_t>(val); }
int16_t xi16() const { check_overflow<int16_t>(val);
return static_cast<int16_t>(val); }
int32_t xi32() const { return val; }
int64_t xi64() const { return static_cast<int64_t>(val); }
float xfloat() const { check_underflow<float>(val);
return static_cast<float>(val); }
double xdouble() const { return static_cast<double>(val); }
bool operator== (const object_class* x) const { try { return val == x->xi32(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return val < x->xi32(); }
catch (positive_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
bool operator> (const object_class* x) const { try { return val > x->xi32(); }
catch (negative_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
const object_class* inspect(std::ostream& s) const
{ s << val; return this; }
private:
int32_t val;
};
struct object_i64 : object_class {
explicit object_i64(int64_t v) : val(v) {}
uint8_t xu8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint16_t xu16() const { check_overflow<uint16_t>(val);
return static_cast<uint16_t>(val); }
uint32_t xu32() const { check_overflow<uint32_t>(val);
return static_cast<uint32_t>(val); }
uint64_t xu64() const { check_overflow<uint64_t>(val);
return static_cast<uint64_t>(val); }
int8_t xi8() const { check_overflow<int8_t>(val);
return static_cast<int8_t>(val); }
int16_t xi16() const { check_overflow<int16_t>(val);
return static_cast<int16_t>(val); }
int32_t xi32() const { check_overflow<int32_t>(val);
return static_cast<int32_t>(val); }
int64_t xi64() const { return val; }
float xfloat() const { check_underflow<float>(val);
return static_cast<float>(val); }
double xdouble() const { check_underflow<double>(val);
return static_cast<double>(val); }
bool operator== (const object_class* x) const { try { return val == x->xi64(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return val < x->xi64(); }
catch (positive_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
bool operator> (const object_class* x) const { try { return val > x->xi64(); }
catch (negative_overflow_error&) { return true; }
catch (overflow_error&) { return false; } }
const object_class* inspect(std::ostream& s) const
{ s << val; return this; }
private:
int64_t val;
};
struct object_float : object_class {
object_float(float v) : val(v) {}
uint8_t xu8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint16_t xu16() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint32_t xu32() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint64_t xu64() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
int8_t xi8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
int16_t xi16() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
int32_t xi32() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
int64_t xi64() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
float xfloat() const { return val; }
double xdouble() const { return static_cast<double>(val); }
bool operator== (const object_class* x) const { try { return val == x->xfloat(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return static_cast<double>(val) < x->xdouble(); }
catch (positive_overflow_error&) { return true; }
catch (overflow_error&) { return false; }
catch (underflow_error&) {
if(val < 0.0) {
if(numeric_overflow<int64_t, float>::test(val) == -1) { return true; }
try { return static_cast<int64_t>(val) < x->xi64(); }
catch (type_error&) { return true; }
} else {
if(numeric_overflow<uint64_t, float>::test(val) == 1) { return false; }
try { return static_cast<uint64_t>(val) < x->xu64(); }
catch (type_error&) { return false; }
}
} }
bool operator> (const object_class* x) const { try { return static_cast<double>(val) > x->xdouble(); }
catch (negative_overflow_error&) { return true; }
catch (overflow_error&) { return false; }
catch (underflow_error&) {
if(val < 0.0) {
if(numeric_overflow<int64_t, float>::test(val) == -1) { return false; }
try { return static_cast<int64_t>(val) > x->xi64(); }
catch (type_error&) { return false; }
} else {
if(numeric_overflow<uint64_t, float>::test(val) == 1) { return true; }
try { return static_cast<uint64_t>(val) > x->xu64(); }
catch (type_error&) { return true; }
}
} }
const object_class* inspect(std::ostream& s) const
{ s << val; return this; }
private:
float val;
};
struct object_double : object_class {
object_double(double v) : val(v) {}
uint8_t xu8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint16_t xu16() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint32_t xu32() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
uint64_t xu64() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
int8_t xi8() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
int16_t xi16() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
int32_t xi32() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
int64_t xi64() const { check_overflow<uint8_t>(val);
return static_cast<uint8_t>(val); }
float xfloat() const { check_overflow<float>(val);
check_underflow<float>(val);
return static_cast<float>(val); }
double xdouble() const { return val; }
bool operator== (const object_class* x) const { try { return val == x->xdouble(); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { try { return val < x->xdouble(); }
catch (positive_overflow_error&) { return true; }
catch (overflow_error&) { return false; }
catch (underflow_error&) {
if(val < 0.0) {
if(numeric_overflow<int64_t, double>::test(val) == -1) { return true; }
try { return static_cast<int64_t>(val) < x->xi64(); }
catch (type_error&) { return true; }
} else {
if(numeric_overflow<uint64_t, double>::test(val) == 1) { return false; }
try { return static_cast<uint64_t>(val) < x->xu64(); }
catch (type_error&) { return false; }
}
} }
bool operator> (const object_class* x) const { try { return val > x->xdouble(); }
catch (negative_overflow_error&) { return true; }
catch (overflow_error&) { return false; }
catch (underflow_error&) {
if(val < 0.0) {
if(numeric_overflow<int64_t, double>::test(val) == -1) { return false; }
try { return static_cast<int64_t>(val) > x->xi64(); }
catch (type_error&) { return false; }
} else {
if(numeric_overflow<uint64_t, double>::test(val) == 1) { return true; }
try { return static_cast<uint64_t>(val) > x->xu64(); }
catch (type_error&) { return true; }
}
} }
const object_class* inspect(std::ostream& s) const
{ s << val; return this; }
private:
double val;
};
struct object_raw : object_class {
explicit object_raw(void* p, uint32_t l) : ptr(p), len(l) {}
raw xraw() { return raw(ptr, len); }
const_raw xraw() const { return const_raw(ptr, len); }
bool operator== (const object_class* x) const { try { const_raw xr(x->xraw());
return len == xr.len && (ptr == xr.ptr || memcmp(ptr, xr.ptr, len) == 0); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { const_raw xr(x->xraw());
if(len == xr.len) { return ptr != xr.ptr && memcmp(ptr, xr.ptr, len) < 0; }
else { return len < xr.len; } }
bool operator> (const object_class* x) const { const_raw xr(x->xraw());
if(len == xr.len) { return ptr != xr.ptr && memcmp(ptr, xr.ptr, len) > 0; }
else { return len > xr.len; } }
const object_class* inspect(std::ostream& s) const
{ (s << '"').write((const char*)ptr, len) << '"'; return this; } // FIXME escape
private:
void* ptr;
uint32_t len;
};
struct object_const_raw : object_class {
explicit object_const_raw(const void* p, uint32_t l) : ptr(p), len(l) {}
const_raw xraw() const { return const_raw(ptr, len); }
bool operator== (const object_class* x) const { try { const_raw xr(x->xraw());
return len == xr.len && (ptr == xr.ptr || memcmp(ptr, xr.ptr, len) == 0); }
catch (type_error&) { return false; } }
bool operator< (const object_class* x) const { const_raw xr(x->xraw());
if(len == xr.len) { return ptr != xr.ptr && memcmp(ptr, xr.ptr, len) < 0; }
else { return len < xr.len; } }
bool operator> (const object_class* x) const { const_raw xr(x->xraw());
if(len == xr.len) { return ptr != xr.ptr && memcmp(ptr, xr.ptr, len) > 0; }
else { return len > xr.len; } }
const object_class* inspect(std::ostream& s) const
{ (s << '"').write((const char*)ptr, len) << '"'; return this; } // FIXME escape
private:
const void* ptr;
uint32_t len;
};
struct object_array : object_class, object_container_mixin {
explicit object_array() {}
explicit object_array(uint32_t n) { val.reserve(n); }
array& xarray() { return val; }
const array& xarray() const { return val; }
bool operator== (const object_class* x) const { try {
const std::vector<object>& xa(x->xarray());
if(val.size() != xa.size()) { return false; }
for(std::vector<object>::const_iterator iv(val.begin()), iv_end(val.end()), ix(xa.begin());
iv != iv_end;
++iv, ++ix) {
if(*iv != *ix) { return false; }
}
return true;
} catch (type_error&) { return false; } }
// FIXME operator< operator>
const object_class* inspect(std::ostream& s) const {
s << '[';
if(!val.empty()) {
std::vector<object>::const_iterator it(val.begin());
s << *it;
++it;
for(std::vector<object>::const_iterator it_end(val.end());
it != it_end;
++it) {
s << ", " << *it;
}
}
s << ']';
return this; }
public:
void push_back(object o) { val.push_back(o); }
private:
std::vector<object> val;
};
// FIXME hash, operator==: nil, true, false, containerを入れられない
struct object_map : object_class, object_container_mixin {
explicit object_map() {}
map& xmap() { return val; }
const map& xmap() const { return val; }
bool operator== (const object_class* x) const { try {
const std::map<object, object>& xm(x->xmap());
if(val.size() != xm.size()) { return false; }
for(std::map<object, object>::const_iterator iv(val.begin()), iv_end(val.end()), ix(xm.begin());
iv != iv_end;
++iv, ++ix) {
if(iv->first != ix->first || iv->second != ix->first) { return false; }
}
return true;
} catch (type_error&) { return false; } }
// FIXME operator< operator>
const object_class* inspect(std::ostream& s) const {
s << '{';
if(!val.empty()) {
std::map<object, object>::const_iterator it(val.begin());
s << it->first << "=>" << it->second;
++it;
for(std::map<object, object>::const_iterator it_end(val.end());
it != it_end;
++it) {
s << ", " << it->first << "=>" << it->second;
}
}
s << '}';
return this; }
public:
void store(object k, object v) { val[k] = v; }
private:
std::map<object, object> val;
};
} // namespace msgpack
#endif /* msgpack/object.hpp */
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