C++ (Cpp) ConvertFromUnicodeWithLength Examples

Example #1

File: nsScriptableUConv.cpp Project: mmmulani/v8monkey

/* void convertToByteArray(in AString aString,
                          [optional] out unsigned long aLen,
                          [array, size_is(aLen),retval] out octet aData);
 */
NS_IMETHODIMP
nsScriptableUnicodeConverter::ConvertToByteArray(const nsAString& aString,
                                                 PRUint32* aLen,
                                                 PRUint8** _aData)
{
  char* data;
  PRInt32 len;
  nsresult rv = ConvertFromUnicodeWithLength(aString, &len, &data);
  if (NS_FAILED(rv))
    return rv;
  nsXPIDLCString str;
  str.Adopt(data, len); // NOTE: This uses the XPIDLCString as a byte array

  rv = FinishWithLength(&data, &len);
  if (NS_FAILED(rv))
    return rv;

  str.Append(data, len);
  nsMemory::Free(data);
  // NOTE: this being a byte array, it needs no null termination
  *_aData = reinterpret_cast<PRUint8*>
                            (nsMemory::Clone(str.get(), str.Length()));
  if (!*_aData)
    return NS_ERROR_OUT_OF_MEMORY;
  *aLen = str.Length();
  return NS_OK;
}

Example #2

File: nsScriptableUConv.cpp Project: Jaxo/releases-mozilla-central

/* void convertToByteArray(in AString aString,
                          [optional] out unsigned long aLen,
                          [array, size_is(aLen),retval] out octet aData);
 */
NS_IMETHODIMP
nsScriptableUnicodeConverter::ConvertToByteArray(const nsAString& aString,
                                                 uint32_t* aLen,
                                                 uint8_t** _aData)
{
  char* data;
  int32_t len;
  nsresult rv = ConvertFromUnicodeWithLength(aString, &len, &data);
  if (NS_FAILED(rv))
    return rv;
  nsXPIDLCString str;
  str.Adopt(data, len); // NOTE: This uses the XPIDLCString as a byte array

  rv = FinishWithLength(&data, &len);
  if (NS_FAILED(rv))
    return rv;

  str.Append(data, len);
  moz_free(data);
  // NOTE: this being a byte array, it needs no null termination
  *_aData = reinterpret_cast<uint8_t*>(moz_malloc(str.Length()));
  if (!*_aData)
    return NS_ERROR_OUT_OF_MEMORY;
  memcpy(*_aData, str.get(), str.Length());
  *aLen = str.Length();
  return NS_OK;
}

Example #3

File: nsScriptableUConv.cpp Project: Jaxo/releases-mozilla-central

/* ACString ConvertFromUnicode (in AString src); */
NS_IMETHODIMP
nsScriptableUnicodeConverter::ConvertFromUnicode(const nsAString& aSrc,
                                                 nsACString& _retval)
{
  int32_t len;
  char* str;
  nsresult rv = ConvertFromUnicodeWithLength(aSrc, &len, &str);
  if (NS_SUCCEEDED(rv)) {
    // No Adopt on nsACString :(
    _retval.Assign(str, len);
    moz_free(str);
  }
  return rv;
}

Example #4

File: nsScriptableUConv.cpp Project: micadeyeye/gecko-dev

/* ACString ConvertFromUnicode (in AString src); */
NS_IMETHODIMP
nsScriptableUnicodeConverter::ConvertFromUnicode(const nsAString& aSrc,
                                                 nsACString& _retval)
{
  int32_t len;
  char* str;
  nsresult rv = ConvertFromUnicodeWithLength(aSrc, &len, &str);
  if (NS_SUCCEEDED(rv)) {
    // No Adopt on nsACString :(
    if (!_retval.Assign(str, len, mozilla::fallible_t())) {
      rv = NS_ERROR_OUT_OF_MEMORY;
    }
    moz_free(str);
  }
  return rv;
}