/* -*- 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* 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.
*/
staticconststruct ResultMap {
nsresult rv; constchar* name; constchar* 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, constchar** name, constchar** format) { for (const ResultMap* p = map; p->name; p++) { if (rv == p->rv) { if (name) *name = p->name; if (format) *format = p->format; returntrue;
}
} returnfalse;
}
// static constvoid* nsXPCException::IterateNSResults(nsresult* rv, constchar** name, constchar** format, constvoid** 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;
}
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