81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=8 sts=4 et sw=4 tw=99: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* An implementaion of nsIException. */
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#include "xpcprivate.h"
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#include "nsError.h"
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/***************************************************************************/
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/* Quick and dirty mapping of well known result codes to strings. We only
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* call this when building an exception object, so iterating the short array
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* is not too bad.
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*
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* It sure would be nice to have exceptions declared in idl and available
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* in some more global way at runtime.
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*/
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static const struct ResultMap
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{nsresult rv; const char* name; const char* format;} map[] = {
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#define XPC_MSG_DEF(val, format) \
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{(val), #val, format},
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#include "xpc.msg"
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#undef XPC_MSG_DEF
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{NS_OK,0,0} // sentinel to mark end of array
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};
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#define RESULT_COUNT ((sizeof(map) / sizeof(map[0]))-1)
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// static
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bool
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nsXPCException::NameAndFormatForNSResult(nsresult rv,
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const char** name,
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const char** format)
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{
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for (const ResultMap* p = map; p->name; p++) {
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if (rv == p->rv) {
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if (name) *name = p->name;
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if (format) *format = p->format;
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return true;
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}
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}
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return false;
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}
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// static
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const void*
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nsXPCException::IterateNSResults(nsresult* rv,
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const char** name,
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const char** format,
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const void** iterp)
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{
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const ResultMap* p = (const ResultMap*) *iterp;
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if (!p)
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p = map;
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else
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p++;
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if (!p->name)
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p = nullptr;
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else {
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if (rv)
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*rv = p->rv;
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if (name)
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*name = p->name;
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if (format)
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*format = p->format;
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}
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*iterp = p;
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return p;
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}
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// static
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uint32_t
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nsXPCException::GetNSResultCount()
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{
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return RESULT_COUNT;
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}
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