1 files changed, 250 insertions, 0 deletions
diff --git a/kate/part/katecursor.h b/kate/part/katecursor.h
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+++ b/kate/part/katecursor.h
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+/* This file is part of the KDE libraries
+   Copyright (C) 2002 Christian Couder <[email protected]>
+   Copyright (C) 2001, 2003 Christoph Cullmann <[email protected]>
+   Copyright (C) 2001 Joseph Wenninger <[email protected]>
+   Copyright (C) 1999 Jochen Wilhelmy <[email protected]>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License version 2 as published by the Free Software Foundation.
+
+   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.
+*/
+
+#ifndef kate_cursor_h
+#define kate_cursor_h
+
+#include "../interfaces/document.h"
+#include <kdebug.h>
+
+class KateDocument;
+
+/**
+  Simple cursor class with no document pointer.
+*/
+class KateTextCursor
+{
+  public:
+    KateTextCursor() : m_line(0), m_col(0) {};
+    KateTextCursor(int line, int col) : m_line(line), m_col(col) {};
+    virtual ~KateTextCursor () {};
+
+    friend bool operator==(const KateTextCursor& c1, const KateTextCursor& c2)
+      { return c1.m_line == c2.m_line && c1.m_col == c2.m_col; }
+
+    friend bool operator!=(const KateTextCursor& c1, const KateTextCursor& c2)
+      { return !(c1 == c2); }
+
+    friend bool operator>(const KateTextCursor& c1, const KateTextCursor& c2)
+      { return c1.m_line > c2.m_line || (c1.m_line == c2.m_line && c1.m_col > c2.m_col); }
+
+    friend bool operator>=(const KateTextCursor& c1, const KateTextCursor& c2)
+      { return c1.m_line > c2.m_line || (c1.m_line == c2.m_line && c1.m_col >= c2.m_col); }
+
+    friend bool operator<(const KateTextCursor& c1, const KateTextCursor& c2)
+      { return !(c1 >= c2); }
+
+    friend bool operator<=(const KateTextCursor& c1, const KateTextCursor& c2)
+      { return !(c1 > c2); }
+
+    friend kdbgstream& operator<<(kdbgstream& stream, const KateTextCursor& c) {
+      stream << c.m_line << "," << c.m_col;
+      return stream;
+    }
+
+#ifndef Q_WS_WIN //not needed
+    friend void qSwap(KateTextCursor & c1, KateTextCursor & c2) {
+      KateTextCursor tmp = c1;
+      c1 = c2;
+      c2 = tmp;
+    }
+#endif
+
+    inline void pos(int *pline, int *pcol) const {
+      if(pline) *pline = m_line;
+      if(pcol) *pcol = m_col;
+    }
+
+    inline int line() const { return m_line; };
+    inline int col() const { return m_col; };
+
+    virtual void setLine(int line) { m_line = line; };
+    virtual void setCol(int col) { m_col = col; };
+    virtual void setPos(const KateTextCursor& pos) { m_line = pos.line(); m_col = pos.col(); };
+    virtual void setPos(int line, int col) { m_line = line; m_col = col; };
+
+  protected:
+    int m_line;
+    int m_col;
+};
+
+/**
+  Cursor class with a pointer to its document.
+*/
+class KateDocCursor : public KateTextCursor
+{
+  public:
+    KateDocCursor(KateDocument *doc);
+    KateDocCursor(int line, int col, KateDocument *doc);
+    virtual ~KateDocCursor() {};
+
+    bool validPosition(uint line, uint col);
+    bool validPosition();
+
+    bool gotoNextLine();
+    bool gotoPreviousLine();
+    bool gotoEndOfNextLine();
+    bool gotoEndOfPreviousLine();
+
+    int nbCharsOnLineAfter();
+    bool moveForward(uint nbChar);
+    bool moveBackward(uint nbChar);
+
+    // KTextEditor::Cursor interface
+    void position(uint *line, uint *col) const;
+    bool setPosition(uint line, uint col);
+    bool insertText(const QString& text);
+    bool removeText(uint numberOfCharacters);
+    QChar currentChar() const;
+
+    uchar currentAttrib() const;
+
+    /**
+      Find the position (line and col) of the next char
+      that is not a space. If found KateDocCursor points to the
+      found character. Otherwise to a invalid Position such that
+      validPosition() returns false.
+      @return True if the specified or a following character is not a space
+               Otherwise false.
+    */
+    bool nextNonSpaceChar();
+
+    /**
+      Find the position (line and col) of the previous char
+      that is not a space. If found KateDocCursor points to the
+      found character. Otherwise to a invalid Position such that
+      validPosition() returns false.
+      @return True if the specified or a preceding character is not a space
+               Otherwise false.
+    */
+    bool previousNonSpaceChar();
+
+  protected:
+    KateDocument *m_doc;
+};
+
+class KateRange
+{
+  public:
+    KateRange () {};
+    virtual ~KateRange () {};
+
+    virtual bool isValid() const = 0;
+    virtual KateTextCursor& start() = 0;
+    virtual KateTextCursor& end() = 0;
+    virtual const KateTextCursor& start() const = 0;
+    virtual const KateTextCursor& end() const = 0;
+};
+
+class KateTextRange : public KateRange
+{
+  public:
+    KateTextRange()
+      : m_valid(false)
+    {
+    };
+
+    KateTextRange(int startline, int startcol, int endline, int endcol)
+      : m_start(startline, startcol)
+      , m_end(endline, endcol)
+      , m_valid(true)
+    {
+      normalize();
+    };
+
+    KateTextRange(const KateTextCursor& start, const KateTextCursor& end)
+      : m_start(start)
+      , m_end(end)
+      , m_valid(true)
+    {
+      normalize();
+    };
+
+    virtual ~KateTextRange () {};
+
+    virtual bool isValid() const { return m_valid; };
+    void setValid(bool valid) { 
+      m_valid = valid; 
+      if( valid )
+        normalize(); 
+    };
+
+    virtual KateTextCursor& start() { return m_start; };
+    virtual KateTextCursor& end() { return m_end; };
+    virtual const KateTextCursor& start() const { return m_start; };
+    virtual const KateTextCursor& end() const { return m_end; };
+    
+    /* if range is not valid, the result is undefined
+      if cursor is before start -1 is returned, if cursor is within range 0 is returned if cursor is after end 1 is returned*/
+    inline int cursorInRange(const KateTextCursor &cursor) const {
+      return ((cursor<m_start)?(-1):((cursor>m_end)?1:0));
+    }
+    
+    inline void normalize() {
+      if( m_start > m_end )
+        qSwap(m_start, m_end);
+    }
+    
+  protected:
+    KateTextCursor m_start, m_end;
+    bool m_valid;
+};
+
+
+class KateBracketRange : public KateTextRange
+{
+  public:
+    KateBracketRange()
+      : KateTextRange()
+      , m_minIndent(0)
+    {
+    };
+    
+    KateBracketRange(int startline, int startcol, int endline, int endcol, int minIndent)
+      : KateTextRange(startline, startcol, endline, endcol)
+      , m_minIndent(minIndent)
+    {
+    };
+    
+    KateBracketRange(const KateTextCursor& start, const KateTextCursor& end, int minIndent)
+      : KateTextRange(start, end)
+      , m_minIndent(minIndent)
+    {
+    };
+    
+    int getMinIndent() const
+    {
+      return m_minIndent;
+    }
+    
+    void setIndentMin(int m)
+    {
+      m_minIndent = m;
+    }
+    
+  protected:
+    int m_minIndent;
+};
+
+
+#endif
+
+// kate: space-indent on; indent-width 2; replace-tabs on;