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