blob: e0ce7c35c0f845f456c1420fd41c0cd8cf955603 [file] [log] [blame]
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "CSSHelper.h"
#include "PlatformString.h"
#include <wtf/Vector.h>
namespace WebCore {
String deprecatedParseURL(const String& url)
{
StringImpl* i = url.impl();
if (!i)
return url;
int length = i->length();
int o = 0;
int l = length;
while (0 < l && (*i)[o] <= ' ') {
++o;
--l;
}
while (l > 0 && (*i)[o + l - 1] <= ' ')
--l;
if (l >= 5
&& ((*i)[o] == 'u' || (*i)[o] == 'U')
&& ((*i)[o + 1] == 'r' || (*i)[o + 1] == 'R')
&& ((*i)[o + 2] == 'l' || (*i)[o + 2] == 'L')
&& (*i)[o + 3] == '('
&& (*i)[o + l - 1] == ')') {
o += 4;
l -= 5;
}
while (0 < l && (*i)[o] <= ' ') {
++o;
--l;
}
while (l > 0 && (*i)[o + l - 1] <= ' ')
--l;
if (l >= 2 && (*i)[o] == (*i)[o + l - 1] && ((*i)[o] == '\'' || (*i)[o] == '\"')) {
o++;
l -= 2;
}
while (0 < l && (*i)[o] <= ' ') {
++o;
--l;
}
while (l > 0 && (*i)[o + l - 1] <= ' ')
--l;
const UChar* characters = i->characters();
// Optimize for the likely case there there is nothing to strip.
if (l == length) {
int k;
// If the URL has any control characters in it, we have to strip them.
// '\r' (ascii value 13) is the largest control character.
for (k = 0; k < length; k++) {
if (characters[k] <= '\r')
break;
}
if (k == length)
return url;
}
Vector<UChar, 2048> buffer(l);
int nl = 0;
for (int k = o; k < o + l; k++) {
UChar c = characters[k];
if (c > '\r')
buffer[nl++] = c;
}
return String(buffer.data(), nl);
}
} // namespace WebCore