khtml Library API Documentation

dom_stringimpl.h

00001 /*
00002  * This file is part of the DOM implementation for KDE.
00003  *
00004  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
00005  * Copyright (C) 2003 Dirk Mueller (mueller@kde.org)
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Library General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2 of the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Library General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Library General Public License
00018  * along with this library; see the file COPYING.LIB.  If not, write to
00019  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00020  * Boston, MA 02111-1307, USA.
00021  *
00022  * $Id: dom_stringimpl.h,v 1.26.2.2 2003/05/18 12:34:41 mueller Exp $
00023  */
00024 #ifndef _DOM_DOMStringImpl_h_
00025 #define _DOM_DOMStringImpl_h_
00026 
00027 #include <qstring.h>
00028 
00029 #include "dom/dom_misc.h"
00030 #include "misc/khtmllayout.h"
00031 #include "misc/shared.h"
00032 
00033 #define QT_ALLOC_QCHAR_VEC( N ) (QChar*) new char[ sizeof(QChar)*( N ) ]
00034 #define QT_DELETE_QCHAR_VEC( P ) delete[] ((char*)( P ))
00035 
00036 namespace DOM {
00037 
00038 class DOMStringImpl : public khtml::Shared<DOMStringImpl>
00039 {
00040 protected:
00041     DOMStringImpl() { s = 0, l = 0; }
00042 public:
00043     DOMStringImpl(const QChar *str, unsigned int len) {
00044     bool havestr = str && len;
00045     s = QT_ALLOC_QCHAR_VEC( havestr ? len : 1 );
00046     if(str && len) {
00047         memcpy( s, str, len * sizeof(QChar) );
00048         l = len;
00049     } else {
00050         // crash protection
00051         s[0] = 0x0;
00052         l = 0;
00053     }
00054     }
00055 
00056     DOMStringImpl(const char *str);
00057     DOMStringImpl(const QChar &ch) {
00058     s = QT_ALLOC_QCHAR_VEC( 1 );
00059     s[0] = ch;
00060     l = 1;
00061     }
00062     ~DOMStringImpl() {
00063     if(s) QT_DELETE_QCHAR_VEC(s);
00064     }
00065 
00066     void append(DOMStringImpl *str);
00067     void insert(DOMStringImpl *str, unsigned int pos);
00068     void truncate(int len);
00069     void remove(unsigned int pos, int len=1);
00070     DOMStringImpl *split(unsigned int pos);
00071     DOMStringImpl *copy() const {
00072         return new DOMStringImpl(s,l);
00073     };
00074 
00075     DOMStringImpl *substring(unsigned int pos, unsigned int len);
00076 
00077     const QChar &operator [] (int pos)
00078     { return *(s+pos); }
00079 
00080     khtml::Length toLength() const;
00081 
00082     // ignores trailing garbage, unlike QString
00083     int toInt(bool* ok = 0) const;
00084 
00085     khtml::Length* toLengthArray(int& len) const;
00086     bool isLower() const;
00087     DOMStringImpl *lower() const;
00088     DOMStringImpl *upper() const;
00089     DOMStringImpl *capitalize();
00090 
00091     unsigned int l;
00092     QChar *s;
00093 };
00094 
00095 }
00096 #endif
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This file is part of the documentation for kdelibs Version 3.1.4.
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