The Tor Browser / file comparison
comparison: js/xpconnect/src/XPCException.cpp
js/xpconnect/src/XPCException.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:a3fa46a3752c |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* vim: set ts=8 sts=4 et sw=4 tw=99: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 /* An implementaion of nsIException. */ | |
| 8 | |
| 9 #include "xpcprivate.h" | |
| 10 #include "nsError.h" | |
| 11 | |
| 12 /***************************************************************************/ | |
| 13 /* Quick and dirty mapping of well known result codes to strings. We only | |
| 14 * call this when building an exception object, so iterating the short array | |
| 15 * is not too bad. | |
| 16 * | |
| 17 * It sure would be nice to have exceptions declared in idl and available | |
| 18 * in some more global way at runtime. | |
| 19 */ | |
| 20 | |
| 21 static const struct ResultMap | |
| 22 {nsresult rv; const char* name; const char* format;} map[] = { | |
| 23 #define XPC_MSG_DEF(val, format) \ | |
| 24 {(val), #val, format}, | |
| 25 #include "xpc.msg" | |
| 26 #undef XPC_MSG_DEF | |
| 27 {NS_OK,0,0} // sentinel to mark end of array | |
| 28 }; | |
| 29 | |
| 30 #define RESULT_COUNT ((sizeof(map) / sizeof(map[0]))-1) | |
| 31 | |
| 32 // static | |
| 33 bool | |
| 34 nsXPCException::NameAndFormatForNSResult(nsresult rv, | |
| 35 const char** name, | |
| 36 const char** format) | |
| 37 { | |
| 38 | |
| 39 for (const ResultMap* p = map; p->name; p++) { | |
| 40 if (rv == p->rv) { | |
| 41 if (name) *name = p->name; | |
| 42 if (format) *format = p->format; | |
| 43 return true; | |
| 44 } | |
| 45 } | |
| 46 return false; | |
| 47 } | |
| 48 | |
| 49 // static | |
| 50 const void* | |
| 51 nsXPCException::IterateNSResults(nsresult* rv, | |
| 52 const char** name, | |
| 53 const char** format, | |
| 54 const void** iterp) | |
| 55 { | |
| 56 const ResultMap* p = (const ResultMap*) *iterp; | |
| 57 if (!p) | |
| 58 p = map; | |
| 59 else | |
| 60 p++; | |
| 61 if (!p->name) | |
| 62 p = nullptr; | |
| 63 else { | |
| 64 if (rv) | |
| 65 *rv = p->rv; | |
| 66 if (name) | |
| 67 *name = p->name; | |
| 68 if (format) | |
| 69 *format = p->format; | |
| 70 } | |
| 71 *iterp = p; | |
| 72 return p; | |
| 73 } | |
| 74 | |
| 75 // static | |
| 76 uint32_t | |
| 77 nsXPCException::GetNSResultCount() | |
| 78 { | |
| 79 return RESULT_COUNT; | |
| 80 } |
