csshelper.cpp

00001 /*
00002  * This file is part of the CSS implementation for KDE.
00003  *
00004  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public License
00017  * along with this library; see the file COPYING.LIB.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 #include "csshelper.h"
00023 
00024 #include <qfontmetrics.h>
00025 #include <qfontinfo.h>
00026 #include <qpaintdevice.h>
00027 #include <qpaintdevicemetrics.h>
00028 #include <qfontdatabase.h>
00029 
00030 #include <kcharsets.h>
00031 #include <kglobal.h>
00032 #include <kdebug.h>
00033 
00034 #include "rendering/render_style.h"
00035 #include "css_valueimpl.h"
00036 #include "dom/css_value.h"
00037 #include "misc/helper.h"
00038 #include "xml/dom_stringimpl.h"
00039 #include "khtml_settings.h"
00040 
00041 using namespace DOM;
00042 using namespace khtml;
00043 
00044 
00045 DOMString khtml::parseURL(const DOMString &url)
00046 {
00047     DOMStringImpl* i = url.implementation();
00048     if(!i) return DOMString();
00049 
00050     int o = 0;
00051     int l = i->l;
00052     while(o < l && (i->s[o] <= ' ')) { o++; l--; }
00053     while(l > 0 && (i->s[o+l-1] <= ' ')) l--;
00054 
00055     if(l >= 5 &&
00056        (i->s[o].lower() == 'u') &&
00057        (i->s[o+1].lower() == 'r') &&
00058        (i->s[o+2].lower() == 'l') &&
00059        i->s[o+3].latin1() == '(' &&
00060        i->s[o+l-1].latin1() == ')') {
00061         o += 4;
00062         l -= 5;
00063     }
00064 
00065     while(o < l && (i->s[o] <= ' ')) { o++; l--; }
00066     while(l > 0 && (i->s[o+l-1] <= ' ')) l--;
00067 
00068     if(l >= 2 && i->s[o] == i->s[o+l-1] &&
00069        (i->s[o].latin1() == '\'' || i->s[o].latin1() == '\"')) {
00070         o++;
00071         l -= 2;
00072     }
00073 
00074     while(o < l && (i->s[o] <= ' ')) { o++; l--; }
00075     while(l > 0 && (i->s[o+l-1] <= ' ')) l--;
00076 
00077     DOMStringImpl* j = new DOMStringImpl(i->s+o,l);
00078 
00079     int nl = 0;
00080     for(int k = o; k < o+l; k++)
00081         if(i->s[k].unicode() > '\r')
00082             j->s[nl++] = i->s[k];
00083 
00084     j->l = nl;
00085 
00086     return j;
00087 }
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