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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/src/XPCException.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/xpconnect/src/XPCException.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/js/xpconnect/src/XPCException.cpp b/js/xpconnect/src/XPCException.cpp new file mode 100644 index 0000000000..64a83e3b31 --- /dev/null +++ b/js/xpconnect/src/XPCException.cpp @@ -0,0 +1,77 @@ +/* -*- 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. + */ + +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; } |