Quelle nsNativeCharsetUtils.cpp Sprache: C

/* -*- 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

quality100%

¤ Dauer der Verarbeitung: 0.15 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.