Thu, 15 Jan 2015 15:55:04 +0100
Back out 97036ab72558 which inappropriately compared turds to third parties.
michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
michael@0 | 2 | /* vim: set ts=8 sts=4 et sw=4 tw=99: */ |
michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 6 | |
michael@0 | 7 | /* An implementaion of nsIException. */ |
michael@0 | 8 | |
michael@0 | 9 | #include "xpcprivate.h" |
michael@0 | 10 | #include "nsError.h" |
michael@0 | 11 | |
michael@0 | 12 | /***************************************************************************/ |
michael@0 | 13 | /* Quick and dirty mapping of well known result codes to strings. We only |
michael@0 | 14 | * call this when building an exception object, so iterating the short array |
michael@0 | 15 | * is not too bad. |
michael@0 | 16 | * |
michael@0 | 17 | * It sure would be nice to have exceptions declared in idl and available |
michael@0 | 18 | * in some more global way at runtime. |
michael@0 | 19 | */ |
michael@0 | 20 | |
michael@0 | 21 | static const struct ResultMap |
michael@0 | 22 | {nsresult rv; const char* name; const char* format;} map[] = { |
michael@0 | 23 | #define XPC_MSG_DEF(val, format) \ |
michael@0 | 24 | {(val), #val, format}, |
michael@0 | 25 | #include "xpc.msg" |
michael@0 | 26 | #undef XPC_MSG_DEF |
michael@0 | 27 | {NS_OK,0,0} // sentinel to mark end of array |
michael@0 | 28 | }; |
michael@0 | 29 | |
michael@0 | 30 | #define RESULT_COUNT ((sizeof(map) / sizeof(map[0]))-1) |
michael@0 | 31 | |
michael@0 | 32 | // static |
michael@0 | 33 | bool |
michael@0 | 34 | nsXPCException::NameAndFormatForNSResult(nsresult rv, |
michael@0 | 35 | const char** name, |
michael@0 | 36 | const char** format) |
michael@0 | 37 | { |
michael@0 | 38 | |
michael@0 | 39 | for (const ResultMap* p = map; p->name; p++) { |
michael@0 | 40 | if (rv == p->rv) { |
michael@0 | 41 | if (name) *name = p->name; |
michael@0 | 42 | if (format) *format = p->format; |
michael@0 | 43 | return true; |
michael@0 | 44 | } |
michael@0 | 45 | } |
michael@0 | 46 | return false; |
michael@0 | 47 | } |
michael@0 | 48 | |
michael@0 | 49 | // static |
michael@0 | 50 | const void* |
michael@0 | 51 | nsXPCException::IterateNSResults(nsresult* rv, |
michael@0 | 52 | const char** name, |
michael@0 | 53 | const char** format, |
michael@0 | 54 | const void** iterp) |
michael@0 | 55 | { |
michael@0 | 56 | const ResultMap* p = (const ResultMap*) *iterp; |
michael@0 | 57 | if (!p) |
michael@0 | 58 | p = map; |
michael@0 | 59 | else |
michael@0 | 60 | p++; |
michael@0 | 61 | if (!p->name) |
michael@0 | 62 | p = nullptr; |
michael@0 | 63 | else { |
michael@0 | 64 | if (rv) |
michael@0 | 65 | *rv = p->rv; |
michael@0 | 66 | if (name) |
michael@0 | 67 | *name = p->name; |
michael@0 | 68 | if (format) |
michael@0 | 69 | *format = p->format; |
michael@0 | 70 | } |
michael@0 | 71 | *iterp = p; |
michael@0 | 72 | return p; |
michael@0 | 73 | } |
michael@0 | 74 | |
michael@0 | 75 | // static |
michael@0 | 76 | uint32_t |
michael@0 | 77 | nsXPCException::GetNSResultCount() |
michael@0 | 78 | { |
michael@0 | 79 | return RESULT_COUNT; |
michael@0 | 80 | } |