bool
nsAString::SetLength(uint32_t aLen)
{
  char_type *data;
  NS_StringGetMutableData(*this, aLen, &data);
  return data != nullptr;
}
nsAString::char_type*
nsAString::BeginWriting(uint32_t aLen)
{
  char_type *data;
  NS_StringGetMutableData(*this, aLen, &data);
  return data;
}
nsAString::char_type*
nsAString::EndWriting()
{
  char_type *data;
  uint32_t len = NS_StringGetMutableData(*this, PR_UINT32_MAX, &data);
  return data + len;
}
Ejemplo n.º 4
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PRBool
nsAString::SetLength(PRUint32 aLen)
{
  char_type *data;
  NS_StringGetMutableData(*this, aLen, &data);
  return data != nsnull;
}
uint32_t
nsAString::BeginWriting(char_type **begin, char_type **end, uint32_t newSize)
{
  uint32_t len = NS_StringGetMutableData(*this, newSize, begin);
  if (end)
    *end = *begin + len;

  return len;
}
Ejemplo n.º 6
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uint32_t
nsAString::BeginWriting(char_type** aBegin, char_type** aEnd, uint32_t aNewSize)
{
  uint32_t len = NS_StringGetMutableData(*this, aNewSize, aBegin);
  if (aEnd) {
    *aEnd = *aBegin + len;
  }

  return len;
}
Ejemplo n.º 7
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void
ToUpperCase(const nsAString& aSource,
            nsAString& aDest)
{
  const char16_t *in;
  char16_t *out;
  uint32_t len = NS_StringGetData(aSource, &in);
  NS_StringGetMutableData(aDest, len, &out);
  NS_ASSERTION(out, "Uh...");
  ToUpperCase(in, out, len);
}
Ejemplo n.º 8
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void
ToUpperCase(const nsAString& aSource,
            nsAString& aDest)
{
  const PRUnichar *in;
  PRUnichar *out;
  PRUint32 len = NS_StringGetData(aSource, &in);
  NS_StringGetMutableData(aDest, len, &out);
  NS_ASSERTION(out, "Uh...");
  ToUpperCase(in, out, len);
}
Ejemplo n.º 9
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void
CompressWhitespace(nsAString& aString)
{
  char16_t* start;
  uint32_t len = NS_StringGetMutableData(aString, UINT32_MAX, &start);
  char16_t* end = start + len;
  char16_t* from = start;
  char16_t* to = start;

  // Skip any leading whitespace
  while (from < end && NS_IsAsciiWhitespace(*from)) {
    from++;
  }

  while (from < end) {
    char16_t theChar = *from++;

    if (NS_IsAsciiWhitespace(theChar)) {
      // We found a whitespace char, so skip over any more
      while (from < end && NS_IsAsciiWhitespace(*from)) {
        from++;
      }

      // Turn all whitespace into spaces
      theChar = ' ';
    }

    *to++ = theChar;
  }

  // Drop any trailing space
  if (to > start && to[-1] == ' ') {
    to--;
  }

  // Re-terminate the string
  *to = '\0';

  // Set the new length
  aString.SetLength(to - start);
}
Ejemplo n.º 10
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void
CompressWhitespace(nsAString& aString)
{
  aString.Trim(" \n\t\r");

  PRUnichar *start;
  PRUint32 len = NS_StringGetMutableData(aString, PR_UINT32_MAX, &start);
  PRUnichar *end = start + len;

  for (PRUnichar *cur = start; cur < end; ++cur) {
    if (!NS_IsAsciiWhitespace(*cur))
      continue;

    *cur = ' ';

    PRUnichar *wend;
    for (wend = cur + 1; wend < end && NS_IsAsciiWhitespace(*wend); ++wend) {
      // nothing to do but loop
    }

    if (wend == cur + 1)
      continue;

    PRUint32 wlen = wend - cur - 1;

    // fix "end"
    end -= wlen;

    // move everything forwards a bit
    for (PRUnichar *m = cur + 1; m < end; ++m) {
      *m = *(m + wlen);
    }
  }

  // re-terminate
  *end = '\0';

  // Set the new length.
  aString.SetLength(end - start);
}