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Diffstat (limited to 'lib/asio/error_code.hpp')
-rw-r--r-- | lib/asio/error_code.hpp | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/lib/asio/error_code.hpp b/lib/asio/error_code.hpp deleted file mode 100644 index 7c239e2..0000000 --- a/lib/asio/error_code.hpp +++ /dev/null @@ -1,202 +0,0 @@ -// -// error_code.hpp -// ~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com) -// -// Distributed under the Boost Software License, Version 1.0. (See accompanying -// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -// - -#ifndef ASIO_ERROR_CODE_HPP -#define ASIO_ERROR_CODE_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include "asio/detail/config.hpp" - -#if defined(ASIO_HAS_STD_SYSTEM_ERROR) -# include <system_error> -#else // defined(ASIO_HAS_STD_SYSTEM_ERROR) -# include <string> -# include "asio/detail/noncopyable.hpp" -# if !defined(ASIO_NO_IOSTREAM) -# include <iosfwd> -# endif // !defined(ASIO_NO_IOSTREAM) -#endif // defined(ASIO_HAS_STD_SYSTEM_ERROR) - -#include "asio/detail/push_options.hpp" - -namespace asio { - -#if defined(ASIO_HAS_STD_SYSTEM_ERROR) - -typedef std::error_category error_category; - -#else // defined(ASIO_HAS_STD_SYSTEM_ERROR) - -/// Base class for all error categories. -class error_category : private noncopyable -{ -public: - /// Destructor. - virtual ~error_category() - { - } - - /// Returns a string naming the error gategory. - virtual const char* name() const = 0; - - /// Returns a string describing the error denoted by @c value. - virtual std::string message(int value) const = 0; - - /// Equality operator to compare two error categories. - bool operator==(const error_category& rhs) const - { - return this == &rhs; - } - - /// Inequality operator to compare two error categories. - bool operator!=(const error_category& rhs) const - { - return !(*this == rhs); - } -}; - -#endif // defined(ASIO_HAS_STD_SYSTEM_ERROR) - -/// Returns the error category used for the system errors produced by asio. -extern ASIO_DECL const error_category& system_category(); - -#if defined(ASIO_HAS_STD_SYSTEM_ERROR) - -typedef std::error_code error_code; - -#else // defined(ASIO_HAS_STD_SYSTEM_ERROR) - -/// Class to represent an error code value. -class error_code -{ -public: - /// Default constructor. - error_code() - : value_(0), - category_(&system_category()) - { - } - - /// Construct with specific error code and category. - error_code(int v, const error_category& c) - : value_(v), - category_(&c) - { - } - - /// Construct from an error code enum. - template <typename ErrorEnum> - error_code(ErrorEnum e) - { - *this = make_error_code(e); - } - - /// Clear the error value to the default. - void clear() - { - value_ = 0; - category_ = &system_category(); - } - - /// Assign a new error value. - void assign(int v, const error_category& c) - { - value_ = v; - category_ = &c; - } - - /// Get the error value. - int value() const - { - return value_; - } - - /// Get the error category. - const error_category& category() const - { - return *category_; - } - - /// Get the message associated with the error. - std::string message() const - { - return category_->message(value_); - } - - struct unspecified_bool_type_t - { - }; - - typedef void (*unspecified_bool_type)(unspecified_bool_type_t); - - static void unspecified_bool_true(unspecified_bool_type_t) {} - - /// Operator returns non-null if there is a non-success error code. - operator unspecified_bool_type() const - { - if (value_ == 0) - return 0; - else - return &error_code::unspecified_bool_true; - } - - /// Operator to test if the error represents success. - bool operator!() const - { - return value_ == 0; - } - - /// Equality operator to compare two error objects. - friend bool operator==(const error_code& e1, const error_code& e2) - { - return e1.value_ == e2.value_ && e1.category_ == e2.category_; - } - - /// Inequality operator to compare two error objects. - friend bool operator!=(const error_code& e1, const error_code& e2) - { - return e1.value_ != e2.value_ || e1.category_ != e2.category_; - } - -private: - // The value associated with the error code. - int value_; - - // The category associated with the error code. - const error_category* category_; -}; - -# if !defined(ASIO_NO_IOSTREAM) - -/// Output an error code. -template <typename Elem, typename Traits> -std::basic_ostream<Elem, Traits>& operator<<( - std::basic_ostream<Elem, Traits>& os, const error_code& ec) -{ - os << ec.category().name() << ':' << ec.value(); - return os; -} - -# endif // !defined(ASIO_NO_IOSTREAM) - -#endif // defined(ASIO_HAS_STD_SYSTEM_ERROR) - -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#if defined(ASIO_HEADER_ONLY) -# include "asio/impl/error_code.ipp" -#endif // defined(ASIO_HEADER_ONLY) - -#endif // ASIO_ERROR_CODE_HPP |