mirror of
https://github.com/msgpack/msgpack-c.git
synced 2025-03-19 04:52:59 +01:00
529a50633d
git-svn-id: file:///Users/frsyuki/project/msgpack-git/svn/x@50 5a5092ae-2292-43ba-b2d5-dcab9c1a2731
761 lines
31 KiB
C++
761 lines
31 KiB
C++
#ifndef MSGPACK_OBJECT_HPP__
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#define MSGPACK_OBJECT_HPP__
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#include <iostream>
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#include <cstddef>
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#include <stdexcept>
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#include <typeinfo>
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#include <ostream>
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#include <vector>
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#include <map>
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#include <string>
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namespace msgpack {
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class type_error : public std::bad_cast { };
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class cast_error : public type_error { };
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class overflow_error : public type_error { };
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class underflow_error : public type_error { };
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class positive_overflow_error : public overflow_error { };
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class negative_overflow_error : public overflow_error { };
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struct raw {
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explicit raw() : ptr(NULL), len(0) {}
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explicit raw(void* p, size_t l) : ptr(p), len(l) {}
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public:
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void* ptr;
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size_t len;
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public:
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std::string str() { return std::string((const char*)ptr, len); }
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};
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struct const_raw {
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const_raw() : ptr(NULL), len(0) {}
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const_raw(const void* p, size_t l) : ptr(p), len(l) {}
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public:
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const void* ptr;
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size_t len;
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public:
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std::string str() { return std::string((const char*)ptr, len); }
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};
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struct object;
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typedef std::map<object, object> map;
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typedef std::vector<object> array;
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template <typename T, typename X, bool TSigned, bool XSigned>
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struct numeric_overflow_signed_impl;
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template <typename T, typename X>
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struct numeric_overflow_signed_impl<T, X, true, true> {
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static int test(X x) {
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if( ( std::numeric_limits<T>::is_integer && std::numeric_limits<X>::is_integer) ||
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(!std::numeric_limits<T>::is_integer && !std::numeric_limits<X>::is_integer) ) {
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if( sizeof(T) < sizeof(X) ) {
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if( static_cast<X>( std::numeric_limits<T>::max()) < x ) { return 1; }
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if( static_cast<X>(-std::numeric_limits<T>::max()) > x ) { return -1; }
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}
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} else if(std::numeric_limits<T>::is_integer) {
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if( static_cast<X>( std::numeric_limits<T>::max()) < x) { return 1; }
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if( static_cast<X>(-std::numeric_limits<T>::max()) > x) { return -1; }
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}
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return 0;
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}
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};
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template <typename T, typename X>
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struct numeric_overflow_signed_impl<T, X, true, false> {
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static int test(X x) {
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if( ( std::numeric_limits<T>::is_integer && std::numeric_limits<X>::is_integer) ||
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(!std::numeric_limits<T>::is_integer && !std::numeric_limits<X>::is_integer) ) {
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if( sizeof(T) <= sizeof(X) ) {
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if( static_cast<X>(std::numeric_limits<T>::max()) < x ) { return 1; }
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}
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} else if(std::numeric_limits<T>::is_integer) {
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if( static_cast<X>( std::numeric_limits<T>::max()) < x) { return 1; }
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}
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return 0;
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}
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};
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template <typename T, typename X>
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struct numeric_overflow_signed_impl<T, X, false, true> {
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static int test(X x) {
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if( static_cast<X>(0) > x ) { return -1; }
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if( ( std::numeric_limits<T>::is_integer && std::numeric_limits<X>::is_integer) ||
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(!std::numeric_limits<T>::is_integer && !std::numeric_limits<X>::is_integer) ) {
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if( sizeof(T) < sizeof(X) ) {
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if( static_cast<X>(std::numeric_limits<T>::max()) < x ) { return 1; }
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}
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} else if(std::numeric_limits<T>::is_integer) {
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if( static_cast<X>( std::numeric_limits<T>::max()) < x) { return 1; }
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}
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return 0;
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}
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};
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template <typename T, typename X>
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struct numeric_overflow_signed_impl<T, X, false, false> {
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static int test(X x) {
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if( ( std::numeric_limits<T>::is_integer && std::numeric_limits<X>::is_integer) ||
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(!std::numeric_limits<T>::is_integer && !std::numeric_limits<X>::is_integer) ) {
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if( sizeof(T) < sizeof(X) ) {
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if( static_cast<X>(std::numeric_limits<T>::max()) < x ) { return 1; }
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}
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} else if(std::numeric_limits<T>::is_integer) {
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if( static_cast<X>(std::numeric_limits<T>::max()) < x ) { return 1; }
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}
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return 0;
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}
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};
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template <typename T, typename X>
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struct numeric_overflow {
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static int test(X x) {
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return numeric_overflow_signed_impl<T, X, std::numeric_limits<T>::is_signed, std::numeric_limits<X>::is_signed>::test(x);
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}
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static void check(X x) {
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int r = test(x);
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if(r == 1) { throw positive_overflow_error(); }
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if(r == -1) { throw negative_overflow_error(); }
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}
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};
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template <typename T, typename X>
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struct numeric_underflow {
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static bool test(X x) {
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return static_cast<X>(static_cast<T>(x)) != x;
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}
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static void check(X x) {
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if(test(x)) { throw underflow_error(); }
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}
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};
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struct object_class {
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virtual ~object_class() {}
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virtual bool isnil() const { return false; }
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virtual bool xbool() const { throw cast_error(); }
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virtual uint8_t xu8() const { throw cast_error(); }
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virtual uint16_t xu16() const { throw cast_error(); }
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virtual uint32_t xu32() const { throw cast_error(); }
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virtual uint64_t xu64() const { throw cast_error(); }
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virtual int8_t xi8() const { throw cast_error(); }
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virtual int16_t xi16() const { throw cast_error(); }
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virtual int32_t xi32() const { throw cast_error(); }
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virtual int64_t xi64() const { throw cast_error(); }
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virtual float xfloat() const { throw cast_error(); }
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virtual double xdouble() const { throw cast_error(); }
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virtual raw xraw() { throw cast_error(); }
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virtual array& xarray() { throw cast_error(); }
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virtual map& xmap() { throw cast_error(); }
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virtual const_raw xraw() const { throw cast_error(); }
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virtual const array& xarray() const { throw cast_error(); }
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virtual const map& xmap() const { throw cast_error(); }
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virtual bool operator== (const object_class* x) const { return false; }
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bool operator!= (const object_class* x) const { return !(this->operator==(x)); }
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virtual bool operator< (const object_class* x) const { throw cast_error(); }
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virtual bool operator> (const object_class* x) const { throw cast_error(); }
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operator bool() const { return xbool(); } // FIXME !isnil();
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operator uint8_t() const { return xu8(); }
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operator uint16_t() const { return xu16(); }
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operator uint32_t() const { return xu32(); }
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operator uint64_t() const { return xu64(); }
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operator int8_t() const { return xi8(); }
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operator int16_t() const { return xi16(); }
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operator int32_t() const { return xi32(); }
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operator int64_t() const { return xi64(); }
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operator float() const { return xfloat(); }
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operator double() const { return xdouble(); }
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operator raw() { return xraw(); }
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operator array&() { return xarray(); }
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operator map&() { return xmap(); }
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operator const_raw() const { return xraw(); }
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operator const array&() const { return xarray(); }
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operator const map&() const { return xmap(); }
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virtual const object_class* inspect(std::ostream& s) const
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{ s << '<' << typeid(*this).name() << '>'; return this; }
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protected:
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template <typename T, typename X>
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static void check_overflow(X x) { numeric_overflow<T, X>::check(x); }
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template <typename T, typename X>
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static void check_underflow(X x) { numeric_underflow<T, X>::check(x); }
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};
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inline std::ostream& operator<< (std::ostream& s, const object_class* o)
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{ o->inspect(s); return s; }
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struct object_container_mixin {};
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struct object_constructor_mixin {};
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struct object {
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explicit object() : val(NULL) {}
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object(object_class* v) : val(v) {}
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//object(object_class& v) : val(&v) {}
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~object() {}
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bool isnil() const { return val->isnil(); }
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bool xbool() const { return val->xbool(); }
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uint8_t xu8() const { return val->xu8(); }
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uint16_t xu16() const { return val->xu16(); }
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uint32_t xu32() const { return val->xu32(); }
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uint64_t xu64() const { return val->xu64(); }
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int8_t xi8() const { return val->xi8(); }
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int16_t xi16() const { return val->xi16(); }
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int32_t xi32() const { return val->xi32(); }
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int64_t xi64() const { return val->xi64(); }
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float xfloat() const { return val->xfloat(); }
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double xdouble() const { return val->xdouble(); }
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raw xraw() { return val->xraw(); }
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array& xarray() { return val->xarray(); }
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map& xmap() { return val->xmap(); }
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const_raw xraw() const { return const_cast<const object_class*>(val)->xraw(); }
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const array& xarray() const { return const_cast<const object_class*>(val)->xarray(); }
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const map& xmap() const { return const_cast<const object_class*>(val)->xmap(); }
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bool operator== (object x) const { return val->operator== (x.val); }
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bool operator!= (object x) const { return val->operator!= (x.val); }
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bool operator< (object x) const { return val->operator< (x.val); }
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bool operator> (object x) const { return val->operator> (x.val); }
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operator bool() const { return val->operator bool(); }
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operator uint8_t() const { return val->operator uint8_t(); }
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operator uint16_t() const { return val->operator uint16_t(); }
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operator uint32_t() const { return val->operator uint32_t(); }
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operator uint64_t() const { return val->operator uint64_t(); }
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operator int8_t() const { return val->operator int8_t(); }
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operator int16_t() const { return val->operator int16_t(); }
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operator int32_t() const { return val->operator int32_t(); }
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operator int64_t() const { return val->operator int64_t(); }
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operator float() const { return val->operator float(); }
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operator double() const { return val->operator double(); }
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operator raw() { return val->operator raw(); }
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operator array&() { return val->operator array&(); }
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operator map&() { return val->operator map&(); }
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operator raw() const { return val->operator raw(); }
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operator array&() const { return val->operator array&(); }
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operator map&() const { return val->operator map&(); }
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const object& inspect(std::ostream& s) const
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{ val->inspect(s); return *this; }
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private:
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friend class object_container_mixin;
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friend class object_constructor_mixin;
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object_class* val;
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};
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inline std::ostream& operator<< (std::ostream& s, const object& o)
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{ o.inspect(s); return s; }
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struct object_nil : object_class {
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bool isnil() const { return true; }
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bool operator== (const object_class* x) const { return typeid(*this) == typeid(*x); }
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const object_class* inspect(std::ostream& s) const
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{ s << "nil"; return this; }
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};
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struct object_true : object_class {
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bool xbool() const { return true; }
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bool operator== (const object_class* x) const { return typeid(*this) == typeid(*x); }
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const object_class* inspect(std::ostream& s) const
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{ s << "true"; return this; }
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};
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struct object_false : object_class {
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bool xbool() const { return false; }
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bool operator== (const object_class* x) const { return typeid(*this) == typeid(*x); }
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const object_class* inspect(std::ostream& s) const
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{ s << "false"; return this; }
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};
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struct object_u8 : object_class {
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explicit object_u8(uint8_t v) : val(v) {}
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uint8_t xu8() const { return val; }
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uint16_t xu16() const { return static_cast<uint16_t>(val); }
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uint32_t xu32() const { return static_cast<uint32_t>(val); }
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uint64_t xu64() const { return static_cast<uint64_t>(val); }
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int8_t xi8() const { check_overflow<int8_t>(val);
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return static_cast<int8_t>(val); }
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int16_t xi16() const { return static_cast<int16_t>(val); }
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int32_t xi32() const { return static_cast<int32_t>(val); }
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int64_t xi64() const { return static_cast<int64_t>(val); }
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float xfloat() const { return static_cast<float>(val); }
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double xdouble() const { return static_cast<double>(val); }
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bool operator== (const object_class* x) const { try { return val == x->xu8(); }
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catch (type_error&) { return false; } }
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bool operator< (const object_class* x) const { try { return val < x->xu8(); }
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catch (positive_overflow_error&) { return true; }
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catch (overflow_error&) { return false; } }
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bool operator> (const object_class* x) const { try { return val > x->xu8(); }
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catch (negative_overflow_error&) { return true; }
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catch (overflow_error&) { return false; } }
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const object_class* inspect(std::ostream& s) const
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{ s << (uint16_t)val; return this; }
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private:
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uint8_t val;
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};
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struct object_u16 : object_class {
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explicit object_u16(uint16_t v) : val(v) {}
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uint8_t xu8() const { check_overflow<uint8_t>(val);
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return static_cast<uint8_t>(val); }
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uint16_t xu16() const { return val; }
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uint32_t xu32() const { return static_cast<uint32_t>(val); }
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uint64_t xu64() const { return static_cast<uint64_t>(val); }
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int8_t xi8() const { check_overflow<int8_t>(val);
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return static_cast<int8_t>(val); }
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int16_t xi16() const { check_overflow<int16_t>(val);
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return static_cast<int16_t>(val); }
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int32_t xi32() const { return static_cast<int32_t>(val); }
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int64_t xi64() const { return static_cast<int64_t>(val); }
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float xfloat() const { return static_cast<float>(val); }
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double xdouble() const { return static_cast<double>(val); }
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bool operator== (const object_class* x) const { try { return val == x->xu16(); }
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catch (type_error&) { return false; } }
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bool operator< (const object_class* x) const { try { return val < x->xu16(); }
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catch (positive_overflow_error&) { return true; }
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catch (type_error&) { return false; } }
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bool operator> (const object_class* x) const { try { return val > x->xu16(); }
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catch (negative_overflow_error&) { return true; }
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catch (type_error&) { return false; } }
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const object_class* inspect(std::ostream& s) const
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{ s << val; return this; }
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private:
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uint16_t val;
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};
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struct object_u32 : object_class {
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explicit object_u32(uint32_t v) : val(v) {}
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uint8_t xu8() const { check_overflow<uint8_t>(val);
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return static_cast<uint8_t>(val); }
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uint16_t xu16() const { check_overflow<uint16_t>(val);
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return static_cast<uint16_t>(val); }
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uint32_t xu32() const { return val; }
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uint64_t xu64() const { return static_cast<uint64_t>(val); }
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int8_t xi8() const { check_overflow<int8_t>(val);
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return static_cast<int8_t>(val); }
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int16_t xi16() const { check_overflow<int16_t>(val);
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return static_cast<int16_t>(val); }
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int32_t xi32() const { check_overflow<int32_t>(val);
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return static_cast<int32_t>(val); }
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int64_t xi64() const { return static_cast<int64_t>(val); }
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float xfloat() const { check_underflow<float>(val);
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return static_cast<float>(val); }
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double xdouble() const { return static_cast<double>(val); }
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bool operator== (const object_class* x) const { try { return val == x->xu32(); }
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catch (type_error&) { return false; } }
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bool operator< (const object_class* x) const { try { return val < x->xu32(); }
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catch (positive_overflow_error&) { return true; }
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catch (overflow_error&) { return false; } }
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bool operator> (const object_class* x) const { try { return val > x->xu32(); }
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catch (negative_overflow_error&) { return true; }
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catch (overflow_error&) { return false; } }
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const object_class* inspect(std::ostream& s) const
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{ s << val; return this; }
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private:
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uint32_t val;
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};
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struct object_u64 : object_class {
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explicit object_u64(uint64_t v) : val(v) {}
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uint8_t xu8() const { check_overflow<uint8_t>(val);
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return static_cast<uint8_t>(val); }
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uint16_t xu16() const { check_overflow<uint16_t>(val);
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return static_cast<uint16_t>(val); }
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uint32_t xu32() const { check_overflow<uint32_t>(val);
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return static_cast<uint32_t>(val); }
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uint64_t xu64() const { return val; }
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int8_t xi8() const { check_overflow<int8_t>(val);
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return static_cast<int8_t>(val); }
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int16_t xi16() const { check_overflow<int16_t>(val);
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return static_cast<int16_t>(val); }
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int32_t xi32() const { check_overflow<int32_t>(val);
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return static_cast<int32_t>(val); }
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int64_t xi64() const { check_overflow<int64_t>(val);
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return static_cast<int64_t>(val); }
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float xfloat() const { check_underflow<float>(val);
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return static_cast<float>(val); }
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double xdouble() const { check_underflow<double>(val);
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return static_cast<double>(val); }
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bool operator== (const object_class* x) const { try { return val == x->xu64(); }
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catch (type_error&) { return false; } }
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bool operator< (const object_class* x) const { try { return val < x->xu64(); }
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catch (positive_overflow_error&) { return true; }
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catch (overflow_error&) { return false; } }
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bool operator> (const object_class* x) const { try { return val > x->xu64(); }
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catch (negative_overflow_error&) { return true; }
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catch (overflow_error&) { return false; } }
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const object_class* inspect(std::ostream& s) const
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{ s << val; return this; }
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private:
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uint64_t val;
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};
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struct object_i8 : object_class {
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explicit object_i8(int8_t v) : val(v) {}
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uint8_t xu8() const { check_overflow<uint8_t>(val);
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return static_cast<uint8_t>(val); }
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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 */
|
|
|