Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "mozilla/ArrayUtils.h"
       8             : 
       9             : #include "SVGNumberList.h"
      10             : #include "nsCharSeparatedTokenizer.h"
      11             : #include "nsString.h"
      12             : #include "nsTextFormatter.h"
      13             : #include "SVGContentUtils.h"
      14             : 
      15             : namespace mozilla {
      16             : 
      17             : nsresult
      18           0 : SVGNumberList::CopyFrom(const SVGNumberList& rhs)
      19             : {
      20           0 :   if (!mNumbers.Assign(rhs.mNumbers, fallible)) {
      21           0 :     return NS_ERROR_OUT_OF_MEMORY;
      22             :   }
      23           0 :   return NS_OK;
      24             : }
      25             : 
      26             : void
      27           0 : SVGNumberList::GetValueAsString(nsAString& aValue) const
      28             : {
      29           0 :   aValue.Truncate();
      30             :   char16_t buf[24];
      31           0 :   uint32_t last = mNumbers.Length() - 1;
      32           0 :   for (uint32_t i = 0; i < mNumbers.Length(); ++i) {
      33             :     // Would like to use aValue.AppendPrintf("%f", mNumbers[i]), but it's not
      34             :     // possible to always avoid trailing zeros.
      35           0 :     nsTextFormatter::snprintf(buf, ArrayLength(buf),
      36             :                               u"%g",
      37           0 :                               double(mNumbers[i]));
      38             :     // We ignore OOM, since it's not useful for us to return an error.
      39           0 :     aValue.Append(buf);
      40           0 :     if (i != last) {
      41           0 :       aValue.Append(' ');
      42             :     }
      43             :   }
      44           0 : }
      45             : 
      46             : nsresult
      47           0 : SVGNumberList::SetValueFromString(const nsAString& aValue)
      48             : {
      49           0 :   SVGNumberList temp;
      50             : 
      51             :   nsCharSeparatedTokenizerTemplate<IsSVGWhitespace>
      52           0 :     tokenizer(aValue, ',', nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
      53             : 
      54           0 :   while (tokenizer.hasMoreTokens()) {
      55             :     float num;
      56           0 :     if (!SVGContentUtils::ParseNumber(tokenizer.nextToken(), num)) {
      57           0 :       return NS_ERROR_DOM_SYNTAX_ERR;
      58             :     }
      59           0 :     if (!temp.AppendItem(num)) {
      60           0 :       return NS_ERROR_OUT_OF_MEMORY;
      61             :     }
      62             :   }
      63           0 :   if (tokenizer.separatorAfterCurrentToken()) {
      64           0 :     return NS_ERROR_DOM_SYNTAX_ERR; // trailing comma
      65             :   }
      66           0 :   return CopyFrom(temp);
      67             : }
      68             : 
      69             : } // namespace mozilla