forked from Lephenixnoir/fxos
43 lines
992 B
C++
43 lines
992 B
C++
//---
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// fxos-shell.errors: Exceptions with particular handling
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//---
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#ifndef FXOS_ERRORS_H
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#define FXOS_ERRORS_H
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#include <fxos/errors.h>
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#include <fmt/core.h>
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#include <string>
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/* Generic command error, either parsing or execution, which prevents a command
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from accomplishing its intended task. */
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class CommandError: public std::exception
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{
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public:
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CommandError(std::string what): m_what(what) {}
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/* Build directly from format arguments */
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template <typename... Args>
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CommandError(std::string const &format_str, Args&&... args):
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m_what(fmt::format(format_str, args...)) {}
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char const *what() const noexcept override {
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return m_what.c_str();
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}
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private:
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std::string m_what;
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};
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/* Command error when no virtual space is selected */
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class NoVirtualSpaceError: public CommandError
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{
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public:
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NoVirtualSpaceError():
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CommandError("no virtual space") {}
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NoVirtualSpaceError(std::string name):
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CommandError("no virtual space '{}'", name) {}
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};
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#endif /* FXOS_ERRORS_H */
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