/* -*- 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/. */

#include "mozilla/ArrayUtils.h"

#include "SVGNumberList.h"

#include "nsCharSeparatedTokenizer.h"

#include "nsString.h"

#include "nsTextFormatter.h"

#include "SVGContentUtils.h"

namespace mozilla {

nsresult

SVGNumberList::CopyFrom(const SVGNumberList& rhs)

{

  if (!mNumbers.Assign(rhs.mNumbers, fallible)) {

    return NS_ERROR_OUT_OF_MEMORY;

  }

  return NS_OK;

}

void

SVGNumberList::GetValueAsString(nsAString& aValue) const

{

  aValue.Truncate();

  char16_t buf[24];

  uint32_t last = mNumbers.Length() - 1;

  for (uint32_t i = 0; i < mNumbers.Length(); ++i) {

    // Would like to use aValue.AppendPrintf("%f", mNumbers[i]), but it's not

    // possible to always avoid trailing zeros.

    nsTextFormatter::snprintf(buf, ArrayLength(buf),

                              u"%g",

                              double(mNumbers[i]));

    // We ignore OOM, since it's not useful for us to return an error.

    aValue.Append(buf);

    if (i != last) {

      aValue.Append(' ');

    }

  }

}

nsresult

SVGNumberList::SetValueFromString(const nsAString& aValue)

{

  SVGNumberList temp;

  nsCharSeparatedTokenizerTemplate<nsContentUtils::IsHTMLWhitespace>

    tokenizer(aValue, ',', nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);

  while (tokenizer.hasMoreTokens()) {

    float num;

    if (!SVGContentUtils::ParseNumber(tokenizer.nextToken(), num)) {

      return NS_ERROR_DOM_SYNTAX_ERR;

    }

    if (!temp.AppendItem(num)) {

      return NS_ERROR_OUT_OF_MEMORY;

    }

  }

  if (tokenizer.separatorAfterCurrentToken()) {

    return NS_ERROR_DOM_SYNTAX_ERR; // trailing comma

  }

  return CopyFrom(temp);

}

} // namespace mozilla