C++ (Cpp) nsAString::SetCapacity Examples

Example #1

File: nsFileView.cpp Project: krellian/mozilla-central

NS_IMETHODIMP
nsFileView::GetCellText(PRInt32 aRow, nsITreeColumn* aCol,
                        nsAString& aCellText)
{
  PRUint32 dirCount, fileCount;
  mDirList->Count(&dirCount);
  mFilteredFiles->Count(&fileCount);

  bool isDirectory;
  nsCOMPtr<nsIFile> curFile;

  if (aRow < (PRInt32) dirCount) {
    isDirectory = true;
    curFile = do_QueryElementAt(mDirList, aRow);
  } else if (aRow < mTotalRows) {
    isDirectory = false;
    curFile = do_QueryElementAt(mFilteredFiles, aRow - dirCount);
  } else {
    // invalid row
    aCellText.SetCapacity(0);
    return NS_OK;
  }

  const PRUnichar* colID;
  aCol->GetIdConst(&colID);
  if (NS_LITERAL_STRING("FilenameColumn").Equals(colID)) {
    curFile->GetLeafName(aCellText);
  } else if (NS_LITERAL_STRING("LastModifiedColumn").Equals(colID)) {
    PRInt64 lastModTime;
    curFile->GetLastModifiedTime(&lastModTime);
    // XXX FormatPRTime could take an nsAString&
    nsAutoString temp;
    mDateFormatter->FormatPRTime(nsnull, kDateFormatShort, kTimeFormatSeconds,
                                 lastModTime * 1000, temp);
    aCellText = temp;
  } else {
    // file size
    if (isDirectory)
      aCellText.SetCapacity(0);
    else {
      PRInt64 fileSize;
      curFile->GetFileSize(&fileSize);
      CopyUTF8toUTF16(nsPrintfCString("%lld", fileSize), aCellText);
    }
  }

  return NS_OK;
}

Example #2

File: nsFileView.cpp Project: MekliCZ/positron

NS_IMETHODIMP
nsFileView::GetCellText(int32_t aRow, nsITreeColumn* aCol,
                        nsAString& aCellText)
{
  uint32_t dirCount = mDirList.Length();
  bool isDirectory;
  nsIFile* curFile = nullptr;

  if (aRow < (int32_t) dirCount) {
    isDirectory = true;
    curFile = mDirList[aRow];
  } else if (aRow < mTotalRows) {
    isDirectory = false;
    curFile = mFilteredFiles[aRow - dirCount];
  } else {
    // invalid row
    aCellText.SetCapacity(0);
    return NS_OK;
  }

  const char16_t* colID;
  aCol->GetIdConst(&colID);
  if (NS_LITERAL_STRING("FilenameColumn").Equals(colID)) {
    curFile->GetLeafName(aCellText);
  } else if (NS_LITERAL_STRING("LastModifiedColumn").Equals(colID)) {
    PRTime lastModTime;
    curFile->GetLastModifiedTime(&lastModTime);
    // XXX FormatPRTime could take an nsAString&
    nsAutoString temp;
    mDateFormatter->FormatPRTime(nullptr, kDateFormatShort, kTimeFormatSeconds,
                                 lastModTime * 1000, temp);
    aCellText = temp;
  } else {
    // file size
    if (isDirectory)
      aCellText.SetCapacity(0);
    else {
      int64_t fileSize;
      curFile->GetFileSize(&fileSize);
      CopyUTF8toUTF16(nsPrintfCString("%lld", fileSize), aCellText);
    }
  }

  return NS_OK;
}