C++ nsCString::Right方法代码示例

void nsEudoraWin32::ConvertPath( nsCString& str)
{
  nsCString  temp;
  nsCString  path;
  PRInt32    idx = 0;
  PRInt32    start = 0;
  nsCString  search;

  idx = str.FindChar( '\\', idx);
  if ((idx == 2) && (str.CharAt( 1) == ':'))
  {
    str.Left( path, 3);
    idx++;
    idx = str.FindChar( '\\', idx);
    start = 3;
    if ((idx == -1) && (str.Length() > 3))
    {
      str.Right( temp, str.Length() - start);
      path.Append( temp);
    }
  }

  WIN32_FIND_DATA findFileData;
  while (idx != -1)
  {
    str.Mid( temp, start, idx - start);
    search = path;
    search.Append( temp);
    HANDLE h = FindFirstFile( search.get(), &findFileData);
    if (h == INVALID_HANDLE_VALUE)
      return;
    path.Append( findFileData.cFileName);
    idx++;
    start = idx;
    idx = str.FindChar( '\\', idx);
    FindClose( h);
    if (idx != -1)
      path.Append( '\\');
    else
    {
      str.Right( temp, str.Length() - start);
      path.Append( '\\');
      path.Append( temp);
    }
  }

  str = path;
}

void nsEudoraAddress::ExtractNoteField( nsCString& note, nsCString& value, const char *pFieldName)
{
  value.Truncate();
  nsCString field("<");
  field.Append( pFieldName);
  field.Append( ':');

/*
    this is a bit of a cheat, but there's no reason it won't work
    fine for us, even better than Eudora in some cases!
*/

  PRInt32 idx = note.Find( field);
  if (idx != -1) {
    idx += field.Length();
    PRInt32 endIdx = note.FindChar( '>', idx);
    if (endIdx == -1)
      endIdx = note.Length() - 1;
    note.Mid( value, idx, endIdx - idx);
    idx -= field.Length();
    nsCString tempL;
    if (idx)
      note.Left( tempL, idx);
    nsCString tempR;
    note.Right( tempR, note.Length() - endIdx - 1);
    note = tempL;
    note.Append( tempR);
  }
}

void ReplaceEolChars( nsCString& s)
{
  int        idx;
  nsCString    t;
  nsCString    rt;

  while ((idx = s.Find( "\x0D")) != -1) {
    s.Left( t, idx);
    t += "\\n";
    s.Right( rt, s.Length() - idx - 1);
    t += rt;
    s = t;
  }
  while ((idx = s.Find( "\x0A")) != -1) {
    s.Left( t, idx);
    t += "\\r";
    s.Right( rt, s.Length() - idx - 1);
    t += rt;
    s = t;
  }
}

void nsEudoraWin32::GetServerAndUserName( const char *pSection, const char *pIni, nsCString& serverName, nsCString& userName, char *pBuff)
{
  DWORD    valSize;
  int      idx;
  nsCString  tStr;

  serverName.Truncate();
  userName.Truncate();

  valSize = ::GetPrivateProfileString( pSection, "PopServer", "", pBuff, kIniValueSize, pIni);
  if (valSize)
    serverName = pBuff;
  else
  {
    valSize = ::GetPrivateProfileString( pSection, "POPAccount", "", pBuff, kIniValueSize, pIni);
    if (valSize)
    {
      serverName = pBuff;
      idx = serverName.FindChar( '@');
      if (idx != -1)
      {
        serverName.Right( tStr, serverName.Length() - idx - 1);
        serverName = tStr;
      }
    }
  }
  valSize = ::GetPrivateProfileString( pSection, "LoginName", "", pBuff, kIniValueSize, pIni);
  if (valSize)
    userName = pBuff;
  else
  {
    valSize = ::GetPrivateProfileString( pSection, "POPAccount", "", pBuff, kIniValueSize, pIni);
    if (valSize)
    {
      userName = pBuff;
      idx = userName.FindChar( '@');
      if (idx != -1)
      {
        userName.Left( tStr, idx);
        userName = tStr;
      }
    }
  }
}

void nsEudoraAddress::SplitString( nsCString& val1, nsCString& val2)
{
  nsCString  temp;

  // Find the last line if there is more than one!
  PRInt32 idx = val1.RFind( "\x0D\x0A");
  PRInt32  cnt = 2;
  if (idx == -1) {
    cnt = 1;
    idx = val1.RFindChar( 13);
  }
  if (idx == -1)
    idx= val1.RFindChar( 10);
  if (idx != -1) {
    val1.Right( val2, val1.Length() - idx - cnt);
    val1.Left( temp, idx);
    val1 = temp;
    SanitizeValue( val1);
  }
}

static nsresult
SplitURL(nsIURI *aChromeURI, nsCString& aPackage, nsCString& aProvider, nsCString& aFile,
         PRBool *aModified = nsnull)
{
  // Splits a "chrome:" URL into its package, provider, and file parts.
  // Here are the current portions of a
  // chrome: url that make up the chrome-
  //
  //     chrome://global/skin/foo?bar
  //     \------/ \----/\---/ \-----/
  //         |       |     |     |
  //         |       |     |     `-- RemainingPortion
  //         |       |     |
  //         |       |     `-- Provider
  //         |       |
  //         |       `-- Package
  //         |
  //         `-- Always "chrome://"
  //
  //

  nsresult rv;

  nsCAutoString str;
  rv = aChromeURI->GetSpec(str);
  if (NS_FAILED(rv)) return rv;

  // We only want to deal with "chrome:" URLs here. We could return
  // an error code if the URL isn't properly prefixed here...
  if (PL_strncmp(str.get(), kChromePrefix, sizeof(kChromePrefix) - 1) != 0)
    return NS_ERROR_INVALID_ARG;

  // Cull out the "package" string; e.g., "navigator"
  aPackage = str.get() + sizeof(kChromePrefix) - 1;

  PRInt32 idx;
  idx = aPackage.FindChar('/');
  if (idx < 0)
    return NS_OK;

  // Cull out the "provider" string; e.g., "content"
  aPackage.Right(aProvider, aPackage.Length() - (idx + 1));
  aPackage.Truncate(idx);

  idx = aProvider.FindChar('/');
  if (idx < 0) {
    // Force the provider to end with a '/'
    idx = aProvider.Length();
    aProvider.Append('/');
  }

  // Cull out the "file"; e.g., "navigator.xul"
  aProvider.Right(aFile, aProvider.Length() - (idx + 1));
  aProvider.Truncate(idx);

  PRBool nofile = aFile.IsEmpty();
  if (nofile) {
    // If there is no file, then construct the default file
    aFile = aPackage;

    if (aProvider.Equals("content")) {
      aFile += ".xul";
    }
    else if (aProvider.Equals("skin")) {
      aFile += ".css";
    }
    else if (aProvider.Equals("locale")) {
      aFile += ".dtd";
    }
    else {
      NS_ERROR("unknown provider");
      return NS_ERROR_FAILURE;
    }
  } else {
    // Protect against URIs containing .. that reach up out of the
    // chrome directory to grant chrome privileges to non-chrome files.
    int depth = 0;
    PRBool sawSlash = PR_TRUE;  // .. at the beginning is suspect as well as /..
    for (const char* p=aFile.get(); *p; p++) {
      if (sawSlash) {
        if (p[0] == '.' && p[1] == '.'){
          depth--;    // we have /.., decrement depth.
        } else {
          static const char escape[] = "%2E%2E";
          if (PL_strncasecmp(p, escape, sizeof(escape)-1) == 0)
            depth--;   // we have the HTML-escaped form of /.., decrement depth.
        }
      } else if (p[0] != '/') {
        depth++;        // we have /x for some x that is not /
      }
      sawSlash = (p[0] == '/');

      if (depth < 0) {
        return NS_ERROR_FAILURE;
      }
    }
  }
  if (aModified)
    *aModified = nofile;
  return NS_OK;
//.........这里部分代码省略.........