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/platform/external/webkit/WebCore/css/CSSHelper.cpp

https://github.com/aharish/totoro-gb-opensource-update2
C++ | 87 lines | 53 code | 14 blank | 20 comment | 39 complexity | 839a76b80eddd318871c517cf39bc608 MD5 | raw file
 1/*
 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 3 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
 4 *
 5 * This library is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU Library General Public
 7 * License as published by the Free Software Foundation; either
 8 * version 2 of the License, or (at your option) any later version.
 9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22#include "config.h"
23#include "CSSHelper.h"
24
25#include "PlatformString.h"
26#include <wtf/Vector.h>
27
28namespace WebCore {
29
30String deprecatedParseURL(const String& url)
31{
32    StringImpl* i = url.impl();
33    if (!i)
34        return String();
35
36    int o = 0;
37    int l = i->length();
38
39    while (o < l && (*i)[o] <= ' ') {
40        ++o;
41        --l;
42    }
43    while (l > 0 && (*i)[o + l - 1] <= ' ')
44        --l;
45
46    if (l >= 5
47            && ((*i)[o] == 'u' || (*i)[o] == 'U')
48            && ((*i)[o + 1] == 'r' || (*i)[o + 1] == 'R')
49            && ((*i)[o + 2] == 'l' || (*i)[o + 2] == 'L')
50            && (*i)[o + 3] == '('
51            && (*i)[o + l - 1] == ')') {
52        o += 4;
53        l -= 5;
54    }
55
56    while (o < l && (*i)[o] <= ' ') {
57        ++o;
58        --l;
59    }
60    while (l > 0 && (*i)[o + l - 1] <= ' ')
61        --l;
62
63    if (l >= 2 && (*i)[o] == (*i)[o + l - 1] && ((*i)[o] == '\'' || (*i)[o] == '\"')) {
64        o++;
65        l -= 2;
66    }
67
68    while (o < l && (*i)[o] <= ' ') {
69        ++o;
70        --l;
71    }
72    while (l > 0 && (*i)[o + l - 1] <= ' ')
73        --l;
74
75    Vector<UChar, 2048> buffer(l);
76
77    int nl = 0;
78    for (int k = o; k < o + l; k++) {
79        UChar c = (*i)[k];
80        if (c > '\r')
81            buffer[nl++] = c;
82    }
83
84    return String(buffer.data(), nl);
85}
86
87} // namespace WebCore