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 "SVGLengthList.h"
38 : #include "SVGAnimatedLengthList.h"
39 : #include "SVGLength.h"
40 : #include "nsSVGElement.h"
41 : #include "nsDOMError.h"
42 : #include "nsContentUtils.h"
43 : #include "nsString.h"
44 : #include "nsSVGUtils.h"
45 : #include "nsCharSeparatedTokenizer.h"
46 : #include "string.h"
47 :
48 : namespace mozilla {
49 :
50 : nsresult
51 0 : SVGLengthList::CopyFrom(const SVGLengthList& rhs)
52 : {
53 0 : if (!mLengths.SetCapacity(rhs.Length())) {
54 : // Yes, we do want fallible alloc here
55 0 : return NS_ERROR_OUT_OF_MEMORY;
56 : }
57 0 : mLengths = rhs.mLengths;
58 0 : return NS_OK;
59 : }
60 :
61 : void
62 0 : SVGLengthList::GetValueAsString(nsAString& aValue) const
63 : {
64 0 : aValue.Truncate();
65 0 : PRUint32 last = mLengths.Length() - 1;
66 0 : for (PRUint32 i = 0; i < mLengths.Length(); ++i) {
67 0 : nsAutoString length;
68 0 : mLengths[i].GetValueAsString(length);
69 : // We ignore OOM, since it's not useful for us to return an error.
70 0 : aValue.Append(length);
71 0 : if (i != last) {
72 0 : aValue.Append(' ');
73 : }
74 : }
75 0 : }
76 :
77 : static inline char* SkipWhitespace(char* str)
78 : {
79 : while (IsSVGWhitespace(*str))
80 : ++str;
81 : return str;
82 : }
83 :
84 : nsresult
85 0 : SVGLengthList::SetValueFromString(const nsAString& aValue)
86 : {
87 0 : SVGLengthList 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 : SVGLength length;
96 0 : if (!length.SetValueFromString(tokenizer.nextToken())) {
97 0 : return NS_ERROR_DOM_SYNTAX_ERR;
98 : }
99 0 : if (!temp.AppendItem(length)) {
100 0 : return NS_ERROR_OUT_OF_MEMORY;
101 : }
102 : }
103 0 : if (tokenizer.lastTokenEndedWithSeparator()) {
104 0 : return NS_ERROR_DOM_SYNTAX_ERR; // trailing comma
105 : }
106 0 : return CopyFrom(temp);
107 : }
108 :
109 : bool
110 0 : SVGLengthList::operator==(const SVGLengthList& rhs) const
111 : {
112 0 : if (Length() != rhs.Length()) {
113 0 : return false;
114 : }
115 0 : for (PRUint32 i = 0; i < Length(); ++i) {
116 0 : if (!(mLengths[i] == rhs.mLengths[i])) {
117 0 : return false;
118 : }
119 : }
120 0 : return true;
121 : }
122 :
123 : } // namespace mozilla
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