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Viewing changes to xpcom_support.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Ben Hutchings
  • Date: 2006-10-15 02:05:46 UTC
  • Revision ID: james.westby@ubuntu.com-20061015020546-0t2uoscwlmwyrp5q
Tags: upstream-1.0
Import upstream version 1.0

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xpcom_support.cpp
 
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// Copyright 2005 Ben Hutchings <ben@decadent.org.uk>.
 
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// See the file "COPYING" for licence details.
 
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#include <cassert>
 
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#include <memory>
 
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#include <stdexcept>
 
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#include "xpcom_support.hpp"
 
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namespace xpcom_support
 
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{
 
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    void throw_exception(nsresult error)
 
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    {
 
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        assert(NS_ERROR_GET_SEVERITY(error) == NS_ERROR_SEVERITY_ERROR);
 
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        // TODO: look up error message
 
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        char message[30];
 
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        std::sprintf(message, "XPCOM error %08x", error);
 
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        switch (error)
 
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        {
 
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        case NS_ERROR_OUT_OF_MEMORY:
 
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            throw std::bad_alloc();
 
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        case NS_ERROR_NOT_INITIALIZED:
 
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        case NS_ERROR_ALREADY_INITIALIZED:
 
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        case NS_ERROR_INVALID_POINTER:
 
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        case NS_ERROR_ILLEGAL_VALUE:
 
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        case NS_BASE_STREAM_CLOSED:
 
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        case NS_BASE_STREAM_ILLEGAL_ARGS:
 
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            assert(!"internal error detected by XPCOM function");
 
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            throw std::logic_error(message);
 
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        default:
 
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            throw std::runtime_error(message);
 
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        }
 
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    }
 
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}