1 /*
2  * This file is part of the CSS implementation for KDE.
3  *
4  * Copyright 1999 Lars Knoll (knoll@kde.org)
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public License
17  * along with this library; see the file COPYING.LIB.  If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  */
22 #include "csshelper.h"
23 
24 #include "misc/helper.h"
25 #include "xml/dom_stringimpl.h"
26 
27 using namespace DOM;
28 using namespace khtml;
29 
parseURL(const DOMString & url)30 DOMString khtml::parseURL(const DOMString &url)
31 {
32     DOMStringImpl *i = url.implementation();
33     if (!i) {
34         return DOMString();
35     }
36 
37     int o = 0;
38     int l = i->l;
39     while (o < l && (i->s[o] <= ' ')) {
40         o++;
41         l--;
42     }
43     while (l > 0 && (i->s[o + l - 1] <= ' ')) {
44         l--;
45     }
46 
47     if (l >= 5 &&
48             (i->s[o].toLower() == 'u') &&
49             (i->s[o + 1].toLower() == 'r') &&
50             (i->s[o + 2].toLower() == 'l') &&
51             i->s[o + 3].toLatin1() == '(' &&
52             i->s[o + l - 1].toLatin1() == ')') {
53         o += 4;
54         l -= 5;
55     }
56 
57     while (o < l && (i->s[o] <= ' ')) {
58         o++;
59         l--;
60     }
61     while (l > 0 && (i->s[o + l - 1] <= ' ')) {
62         l--;
63     }
64 
65     if (l >= 2 && i->s[o] == i->s[o + l - 1] &&
66             (i->s[o].toLatin1() == '\'' || i->s[o].toLatin1() == '\"')) {
67         o++;
68         l -= 2;
69     }
70 
71     while (o < l && (i->s[o] <= ' ')) {
72         o++;
73         l--;
74     }
75     while (l > 0 && (i->s[o + l - 1] <= ' ')) {
76         l--;
77     }
78 
79     DOMStringImpl *j = new DOMStringImpl(i->s + o, l);
80 
81     int nl = 0;
82     for (int k = o; k < o + l; k++)
83         if (i->s[k].unicode() > '\r') {
84             j->s[nl++] = i->s[k];
85         }
86 
87     j->l = nl;
88 
89     return j;
90 }
91