78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
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/*
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* SystemException.hh
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*
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* Created on: 8 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>. 2020 <EFBFBD>.
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* Author: LeonidTitov
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*/
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#ifndef UMLIBRARY_SYSTEMIC_SYSTEMEXCEPTION_HH_
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#define UMLIBRARY_SYSTEMIC_SYSTEMEXCEPTION_HH_
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#include <exception>
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#include <utility>
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#include <cstddef>
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namespace systemic {
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struct SystemException : public std::exception {
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virtual std::size_t id() const noexcept = 0;
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virtual std::pair<const char *, std::size_t> binary() const noexcept = 0;
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};
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struct ExceptionInfo {
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virtual bool raised() const = 0;
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virtual std::size_t id() const = 0;
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virtual std::pair<const char *, std::size_t> binary() const = 0;
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virtual const char * description() const = 0;
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};
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class ExceptionHandler : public ExceptionInfo {
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public:
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//!<21><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
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void insert( std::size_t id, const char * data, std::size_t size, const char * description );
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//!<21><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
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void handle( const std::exception & exception ) noexcept;
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void notify() noexcept;
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struct NotificationInterface {
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virtual void notify( std::size_t id, const char * data, std::size_t size, const char * description ) = 0;
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virtual ~NotificationInterface() = default;
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};
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static NotificationInterface & getDefault() {
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struct DefaultHerald : public NotificationInterface {
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void notify( std::size_t id, const char * data, std::size_t size, const char * description ) {}
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};
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static DefaultHerald herald;
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return herald;
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}
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ExceptionHandler( char * buffer, std::size_t size, NotificationInterface & herald = getDefault() );
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bool raised() const;
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std::size_t id() const;
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std::pair<const char *, std::size_t> binary() const;
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const char * description() const;
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private:
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NotificationInterface & herald;
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std::size_t exception_id;
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std::size_t exception_size;
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const std::pair<char *, std::size_t> buffer;
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const char * what_happens = nullptr;
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bool is_handled = false;
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};
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}
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#endif /* UMLIBRARY_SYSTEMIC_SYSTEMEXCEPTION_HH_ */
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