X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fexcept.h;fp=source%2Fcore%2Fexcept.h;h=d030c41c12937e1a3846ce819c445cd2b953e308;hb=c13c5d2e330e4cee177c1fd8e0b6153c7e2503e4;hp=0000000000000000000000000000000000000000;hpb=55a79fbe96a87183fa4e11049eb161943636b1dd;p=libs%2Fcore.git

diff --git a/source/core/except.h b/source/core/except.h
new file mode 100644
index 0000000..d030c41
--- /dev/null
+++ b/source/core/except.h
@@ -0,0 +1,88 @@
+/* $Id$
+
+This file is part of libmspcore
+Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+#ifndef MSP_CORE_ERROR_H_
+#define MSP_CORE_ERROR_H_
+
+#include <exception>
+#include <string>
+#include "../debug/backtrace.h"
+
+namespace Msp {
+
+/**
+Base class for all Msp exceptions.
+*/
+class Exception: public std::exception
+{
+public:
+	Exception(const std::string &);
+	~Exception() throw() { }
+
+	const char *what() const throw() { return w.c_str(); }
+	const Debug::Backtrace &get_backtrace() const throw() { return bt; }
+private:
+	std::string w;
+	Debug::Backtrace bt;
+
+};
+
+/**
+Thrown when a function parameter has an invalid value.
+*/
+class InvalidParameterValue: public Exception
+{
+public:
+	InvalidParameterValue(const std::string &w_): Exception(w_) { }
+};
+
+/**
+Thrown when a lookup from a map fails.
+*/
+class KeyError: public Exception
+{
+public:
+	KeyError(const std::string &w_): Exception(w_) { }
+};
+
+/**
+Thrown when the current object state doesn't allow the requested action.
+*/
+class InvalidState: public Exception
+{
+public:
+	InvalidState(const std::string &w_): Exception(w_) { }
+};
+
+/**
+Thrown when the application is invoked with wrong parameters.
+*/
+class UsageError: public Exception
+{
+public:
+	UsageError(const std::string &r, bool b=true): Exception(r), brief(b) { }
+	bool get_brief() const { return brief; }
+private:
+	bool brief;
+};
+
+/**
+Thrown when a system call fails.
+*/
+class SystemError: public Exception
+{
+public:
+	SystemError(const std::string &, int);
+	int get_error_code() const { return err; }
+private:
+	int err;
+
+	static std::string build_what(const std::string &, int);
+};
+
+} // namespace Msp
+
+#endif