kate Library API Documentation

katetextline.h

00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2001-2003 Christoph Cullmann <cullmann@kde.org>
00003    Copyright (C) 2002 Joseph Wenninger <jowenn@kde.org>
00004 
00005    Based on:
00006      KateTextLine : Copyright (C) 1999 Jochen Wilhelmy <digisnap@cs.tu-berlin.de>
00007 
00008    This library is free software; you can redistribute it and/or
00009    modify it under the terms of the GNU Library General Public
00010    License version 2 as published by the Free Software Foundation.
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 
00023 #ifndef __KATE_TEXTLINE_H__
00024 #define __KATE_TEXTLINE_H__
00025 
00026 #include <ksharedptr.h>
00027 
00028 #include <qmemarray.h>
00029 #include <qstring.h>
00030 
00038 class KateTextLine : public KShared
00039 {
00040   public:
00044     typedef KSharedPtr<KateTextLine> Ptr;
00045     
00046   public:
00050     enum Flags
00051     {
00052       flagNoOtherData = 0x1, // ONLY INTERNAL USE, NEVER EVER SET THAT !!!!
00053       flagHlContinue = 0x2,
00054       flagVisible = 0x4,
00055       flagAutoWrapped = 0x8
00056     };
00057 
00058   public:
00064     KateTextLine ();
00065     
00069     ~KateTextLine ();
00070 
00074   public:
00079     inline uint length() const { return m_text.length(); }
00080 
00085     inline bool hlLineContinue () const { return m_flags & KateTextLine::flagHlContinue; }
00086 
00091     inline bool isVisible () const { return m_flags & KateTextLine::flagVisible; }
00092 
00097     inline bool isAutoWrapped () const { return m_flags & KateTextLine::flagAutoWrapped; }
00098 
00103     int firstChar() const;
00104 
00109     int lastChar() const;
00110 
00117     int nextNonSpaceChar(uint pos) const;
00118 
00125     int previousNonSpaceChar(uint pos) const;
00126 
00133     inline QChar getChar (uint pos) const { return m_text[pos]; }
00134 
00139     inline const QChar *text() const { return m_text.unicode(); }
00140 
00145     inline uchar *attributes () const { return m_attributes.data(); }
00146 
00151     inline const QString& string() const { return m_text; }
00152 
00159     inline QString string(uint startCol, uint length) const
00160     { return m_text.mid(startCol, length); }
00161     
00168     inline QConstString constString(uint startCol, uint length) const
00169     { return QConstString(m_text.unicode() + startCol, length); }
00170 
00175     const QChar *firstNonSpace() const;
00176 
00182     uint indentDepth (uint tabwidth) const;
00183 
00191     int cursorX(uint pos, uint tabChars) const;
00192 
00199     bool stringAtPos(uint pos, const QString& match) const;
00200 
00206     bool startingWith(const QString& match) const;
00207 
00213     bool endingWith(const QString& match) const;
00214 
00225     bool searchText (uint startCol, const QString &text,
00226                      uint *foundAtCol, uint *matchLen,
00227                      bool casesensitive = true,
00228                      bool backwards = false);
00229     
00239     bool searchText (uint startCol, const QRegExp &regexp,
00240                      uint *foundAtCol, uint *matchLen,
00241                      bool backwards = false);
00242 
00248     inline uchar attribute (uint pos) const
00249     {
00250       if (pos < m_attributes.size()) return m_attributes[pos];
00251       return 0;
00252     }
00253 
00258     inline const QMemArray<short> &ctxArray () const { return m_ctx; };
00259     
00264     inline const QMemArray<signed char> &foldingListArray () const { return m_foldingList; };
00265     
00270     inline const QMemArray<unsigned short> &indentationDepthArray () const { return m_indentationDepth; };
00271 
00279     void insertText (uint pos, uint insLen, const QChar *insText, uchar *insAttribs = 0);
00280     
00286     void removeText (uint pos, uint delLen);
00287 
00292     void truncate(uint newLen);
00293 
00298     inline void setHlLineContinue (bool cont)
00299     {
00300       if (cont) m_flags = m_flags | KateTextLine::flagHlContinue;
00301       else m_flags = m_flags & ~ KateTextLine::flagHlContinue;
00302     }
00303 
00308     inline void setVisible(bool val)
00309     {
00310       if (val) m_flags = m_flags | KateTextLine::flagVisible;
00311       else m_flags = m_flags & ~ KateTextLine::flagVisible;
00312     }
00313 
00318     inline void setAutoWrapped (bool wrapped)
00319     {
00320       if (wrapped) m_flags = m_flags | KateTextLine::flagAutoWrapped;
00321       else m_flags = m_flags & ~ KateTextLine::flagAutoWrapped;
00322     }
00323 
00330     void setAttribs(uchar attribute, uint start, uint end);
00331 
00336     inline void setContext (QMemArray<short> &val) { m_ctx.assign (val); }
00337 
00342     inline void setFoldingList (QMemArray<signed char> &val) { m_foldingList.assign (val); m_foldingList.detach(); }
00343 
00348     inline void setIndentationDepth (QMemArray<unsigned short> &val) { m_indentationDepth.assign (val); }
00349 
00353   public:
00359     inline uint dumpSize (bool withHighlighting) const
00360     {
00361       return ( 1
00362                + sizeof(uint)
00363                + (m_text.length() * sizeof(QChar))
00364                + ( withHighlighting ?
00365                      ( (3 * sizeof(uint))
00366                        + (m_text.length() * sizeof(uchar))
00367                        + (m_ctx.size() * sizeof(short))
00368                        + (m_foldingList.size() * sizeof(signed char))
00369                        + (m_indentationDepth.size() * sizeof(unsigned short))
00370                      ) : 0
00371                  )
00372              );
00373     }
00374 
00382     char *dump (char *buf, bool withHighlighting) const;
00383 
00390     char *restore (char *buf);
00391 
00395   private:
00399     QString m_text;
00400     
00404     QMemArray<uchar> m_attributes;
00405 
00409     QMemArray<short> m_ctx;
00410     
00414     QMemArray<signed char> m_foldingList;
00415     
00419     QMemArray<unsigned short> m_indentationDepth;
00420 
00424     uchar m_flags;
00425 };
00426 
00427 #endif
00428 
00429 // kate: space-indent on; indent-width 2; replace-tabs on;
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This file is part of the documentation for kate Library Version 3.3.0.
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