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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /xpcom/io/nsNativeCharsetUtils.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/io/nsNativeCharsetUtils.cpp')
-rw-r--r-- | xpcom/io/nsNativeCharsetUtils.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/xpcom/io/nsNativeCharsetUtils.cpp b/xpcom/io/nsNativeCharsetUtils.cpp new file mode 100644 index 0000000000..847ae3666c --- /dev/null +++ b/xpcom/io/nsNativeCharsetUtils.cpp @@ -0,0 +1,98 @@ +/* -*- 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/. */ + +//----------------------------------------------------------------------------- +// Non-Windows +//----------------------------------------------------------------------------- +#ifndef XP_WIN + +# include "nsAString.h" +# include "nsReadableUtils.h" +# include "nsString.h" + +nsresult NS_CopyNativeToUnicode(const nsACString& aInput, nsAString& aOutput) { + CopyUTF8toUTF16(aInput, aOutput); + return NS_OK; +} + +nsresult NS_CopyUnicodeToNative(const nsAString& aInput, nsACString& aOutput) { + CopyUTF16toUTF8(aInput, aOutput); + return NS_OK; +} + +//----------------------------------------------------------------------------- +// XP_WIN +//----------------------------------------------------------------------------- +#else + +# include <windows.h> +# include "nsString.h" +# include "nsAString.h" +# include "nsReadableUtils.h" + +using namespace mozilla; + +nsresult NS_CopyNativeToUnicode(const nsACString& aInput, nsAString& aOutput) { + uint32_t inputLen = aInput.Length(); + + nsACString::const_iterator iter; + aInput.BeginReading(iter); + + const char* buf = iter.get(); + + // determine length of result + uint32_t resultLen = 0; + int n = ::MultiByteToWideChar(CP_ACP, 0, buf, inputLen, nullptr, 0); + if (n > 0) { + resultLen += n; + } + + // allocate sufficient space + if (!aOutput.SetLength(resultLen, fallible)) { + return NS_ERROR_OUT_OF_MEMORY; + } + if (resultLen > 0) { + char16ptr_t result = aOutput.BeginWriting(); + ::MultiByteToWideChar(CP_ACP, 0, buf, inputLen, result, resultLen); + } + return NS_OK; +} + +nsresult NS_CopyUnicodeToNative(const nsAString& aInput, nsACString& aOutput) { + uint32_t inputLen = aInput.Length(); + + nsAString::const_iterator iter; + aInput.BeginReading(iter); + + char16ptr_t buf = iter.get(); + + // determine length of result + uint32_t resultLen = 0; + + int n = ::WideCharToMultiByte(CP_ACP, 0, buf, inputLen, nullptr, 0, nullptr, + nullptr); + if (n > 0) { + resultLen += n; + } + + // allocate sufficient space + if (!aOutput.SetLength(resultLen, fallible)) { + return NS_ERROR_OUT_OF_MEMORY; + } + if (resultLen > 0) { + char* result = aOutput.BeginWriting(); + + // default "defaultChar" is '?', which is an illegal character on windows + // file system. That will cause file uncreatable. Change it to '_' + const char defaultChar = '_'; + + ::WideCharToMultiByte(CP_ACP, 0, buf, inputLen, result, resultLen, + &defaultChar, nullptr); + } + return NS_OK; +} + +#endif |