vcl/source/edit/textdoc.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _TEXTDOC_HXX
  21 #define _TEXTDOC_HXX
  22
  23 #include <vcl/textdata.hxx>
  24 #include <vcl/txtattr.hxx>
  25
  26 #include <tools/string.hxx>
  27 #include <vector>
  28
  29 class TextCharAttribs : public std::vector<TextCharAttrib*> {
  30 public:
  31     ~TextCharAttribs()
  32     {
  33         for( iterator it = begin(); it != end(); ++it )
  34             delete *it;
  35     }
  36 };
  37
  38 class TextCharAttribList : private TextCharAttribs
  39 {
  40 private:
  41     sal_Bool            mbHasEmptyAttribs;
  42
  43                     TextCharAttribList( const TextCharAttribList& ) : TextCharAttribs() {}
  44
  45 public:
  46                     TextCharAttribList();
  47                     ~TextCharAttribList();
  48
  49     void            Clear( sal_Bool bDestroyAttribs );
  50     sal_uInt16          Count() const               { return TextCharAttribs::size(); }
  51
  52     TextCharAttrib* GetAttrib( sal_uInt16 n ) const { return TextCharAttribs::operator[]( n ); }
  53     void            RemoveAttrib( sal_uInt16 n )    { TextCharAttribs::erase( begin() + n ); }
  54
  55     void            InsertAttrib( TextCharAttrib* pAttrib );
  56
  57     void            DeleteEmptyAttribs();
  58     void            ResortAttribs();
  59
  60     sal_Bool            HasEmptyAttribs() const { return mbHasEmptyAttribs; }
  61     sal_Bool&           HasEmptyAttribs()       { return mbHasEmptyAttribs; }
  62
  63     TextCharAttrib* FindAttrib( sal_uInt16 nWhich, sal_uInt16 nPos );
  64     TextCharAttrib* FindNextAttrib( sal_uInt16 nWhich, sal_uInt16 nFromPos, sal_uInt16 nMaxPos = 0xFFFF ) const;
  65     TextCharAttrib* FindEmptyAttrib( sal_uInt16 nWhich, sal_uInt16 nPos );
  66     sal_Bool            HasAttrib( sal_uInt16 nWhich ) const;
  67     sal_Bool            HasBoundingAttrib( sal_uInt16 nBound );
  68 };
  69
  70
  71 class TextNode
  72 {
  73 private:
  74     String              maText;
  75     TextCharAttribList  maCharAttribs;
  76
  77                         TextNode( const TextNode& ) {;}
  78 protected:
  79     void                ExpandAttribs( sal_uInt16 nIndex, sal_uInt16 nNewChars );
  80     void                CollapsAttribs( sal_uInt16 nIndex, sal_uInt16 nDelChars );
  81
  82 public:
  83                         TextNode( const String& rText );
  84
  85
  86     const String&               GetText() const         { return maText; }
  87
  88     const TextCharAttribList&   GetCharAttribs() const  { return maCharAttribs; }
  89     TextCharAttribList&         GetCharAttribs()        { return maCharAttribs; }
  90
  91     void                InsertText( sal_uInt16 nPos, const String& rText );
  92     void                InsertText( sal_uInt16 nPos, sal_Unicode c );
  93     void                RemoveText( sal_uInt16 nPos, sal_uInt16 nChars );
  94
  95     TextNode*           Split( sal_uInt16 nPos, sal_Bool bKeepEndigAttribs );
  96     void                Append( const TextNode& rNode );
  97 };
  98
  99 class TextDoc
 100 {
 101 private:
 102     ToolsList<TextNode*> maTextNodes;
 103     sal_uInt16              mnLeftMargin;
 104
 105 protected:
 106     void                DestroyTextNodes();
 107
 108 public:
 109                         TextDoc();
 110                         ~TextDoc();
 111
 112     void                Clear();
 113
 114     ToolsList<TextNode*>&       GetNodes()              { return maTextNodes; }
 115     const ToolsList<TextNode*>& GetNodes() const        { return maTextNodes; }
 116
 117     TextPaM             RemoveChars( const TextPaM& rPaM, sal_uInt16 nChars );
 118     TextPaM             InsertText( const TextPaM& rPaM, sal_Unicode c );
 119     TextPaM             InsertText( const TextPaM& rPaM, const String& rStr );
 120
 121     TextPaM             InsertParaBreak( const TextPaM& rPaM, sal_Bool bKeepEndingAttribs );
 122     TextPaM             ConnectParagraphs( TextNode* pLeft, TextNode* pRight );
 123
 124     sal_uLong               GetTextLen( const sal_Unicode* pSep, const TextSelection* pSel = NULL ) const;
 125     String              GetText( const sal_Unicode* pSep ) const;
 126     String              GetText( sal_uLong nPara ) const;
 127
 128     void                SetLeftMargin( sal_uInt16 n )   { mnLeftMargin = n; }
 129     sal_uInt16              GetLeftMargin() const       { return mnLeftMargin; }
 130
 131     sal_Bool                IsValidPaM( const TextPaM& rPaM );
 132 };
 133
 134 #endif // _TEXTDOC_HXX
 135
 136 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */