LCOV - code coverage report
Current view: directory - content/svg/content/src - SVGNumberList.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 32 0 0.0 %
Date: 2012-06-02 Functions: 3 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla SVG Project code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is the Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *
      23                 :  * Alternatively, the contents of this file may be used under the terms of
      24                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      25                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      26                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      27                 :  * of those above. If you wish to allow use of your version of this file only
      28                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      29                 :  * use your version of this file under the terms of the MPL, indicate your
      30                 :  * decision by deleting the provisions above and replace them with the notice
      31                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      32                 :  * the provisions above, a recipient may use your version of this file under
      33                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      34                 :  *
      35                 :  * ***** END LICENSE BLOCK ***** */
      36                 : 
      37                 : #include "mozilla/Util.h"
      38                 : 
      39                 : #include "SVGNumberList.h"
      40                 : #include "SVGAnimatedNumberList.h"
      41                 : #include "nsSVGElement.h"
      42                 : #include "nsDOMError.h"
      43                 : #include "nsString.h"
      44                 : #include "nsSVGUtils.h"
      45                 : #include "string.h"
      46                 : #include "prdtoa.h"
      47                 : #include "nsTextFormatter.h"
      48                 : #include "nsCharSeparatedTokenizer.h"
      49                 : #include "nsMathUtils.h"
      50                 : 
      51                 : namespace mozilla {
      52                 : 
      53                 : nsresult
      54               0 : SVGNumberList::CopyFrom(const SVGNumberList& rhs)
      55                 : {
      56               0 :   if (!mNumbers.SetCapacity(rhs.Length())) {
      57                 :     // Yes, we do want fallible alloc here
      58               0 :     return NS_ERROR_OUT_OF_MEMORY;
      59                 :   }
      60               0 :   mNumbers = rhs.mNumbers;
      61               0 :   return NS_OK;
      62                 : }
      63                 : 
      64                 : void
      65               0 : SVGNumberList::GetValueAsString(nsAString& aValue) const
      66                 : {
      67               0 :   aValue.Truncate();
      68                 :   PRUnichar buf[24];
      69               0 :   PRUint32 last = mNumbers.Length() - 1;
      70               0 :   for (PRUint32 i = 0; i < mNumbers.Length(); ++i) {
      71                 :     // Would like to use aValue.AppendPrintf("%f", mNumbers[i]), but it's not
      72                 :     // possible to always avoid trailing zeros.
      73                 :     nsTextFormatter::snprintf(buf, ArrayLength(buf),
      74               0 :                               NS_LITERAL_STRING("%g").get(),
      75               0 :                               double(mNumbers[i]));
      76                 :     // We ignore OOM, since it's not useful for us to return an error.
      77               0 :     aValue.Append(buf);
      78               0 :     if (i != last) {
      79               0 :       aValue.Append(' ');
      80                 :     }
      81                 :   }
      82               0 : }
      83                 : 
      84                 : nsresult
      85               0 : SVGNumberList::SetValueFromString(const nsAString& aValue)
      86                 : {
      87               0 :   SVGNumberList temp;
      88                 : 
      89                 :   nsCharSeparatedTokenizerTemplate<IsSVGWhitespace>
      90               0 :     tokenizer(aValue, ',', nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
      91                 : 
      92               0 :   nsCAutoString str;  // outside loop to minimize memory churn
      93                 : 
      94               0 :   while (tokenizer.hasMoreTokens()) {
      95               0 :     CopyUTF16toUTF8(tokenizer.nextToken(), str); // NS_ConvertUTF16toUTF8
      96               0 :     const char *token = str.get();
      97               0 :     if (token == '\0') {
      98               0 :       return NS_ERROR_DOM_SYNTAX_ERR; // nothing between commas
      99                 :     }
     100                 :     char *end;
     101               0 :     float num = float(PR_strtod(token, &end));
     102               0 :     if (*end != '\0' || !NS_finite(num)) {
     103               0 :       return NS_ERROR_DOM_SYNTAX_ERR;
     104                 :     }
     105               0 :     if (!temp.AppendItem(num)) {
     106               0 :       return NS_ERROR_OUT_OF_MEMORY;
     107                 :     }
     108                 :   }
     109               0 :   if (tokenizer.lastTokenEndedWithSeparator()) {
     110               0 :     return NS_ERROR_DOM_SYNTAX_ERR; // trailing comma
     111                 :   }
     112               0 :   return CopyFrom(temp);
     113                 : }
     114                 : 
     115                 : } // namespace mozilla

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