Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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
/* An implementaion of nsIException. */
#include "xpcprivate.h"
#include "nsError.h"
#include <iterator>
/***************************************************************************/
/* 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 (std::size(map) - 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; }