1 files changed, 72 insertions, 0 deletions
diff --git a/kregexpeditor/regexp.h b/kregexpeditor/regexp.h
new file mode 100644
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+++ b/kregexpeditor/regexp.h
@@ -0,0 +1,72 @@
+/*
+ *  Copyright (c) 2002-2003 Jesper K. Pedersen <[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 REGEXP_H
+#define REGEXP_H
+
+#include <qdom.h>
+#include <qptrlist.h>
+
+class CompoundRegExp;
+class ErrorMap;
+
+/**
+   Abstract syntax tree for regular expressions.
+   @internal
+*/
+class RegExp
+{
+public:
+    RegExp( bool selected );
+	virtual ~RegExp();
+
+    virtual int precedence() const = 0;
+    virtual QDomNode toXml( QDomDocument* doc ) const = 0;
+    virtual bool load( QDomElement, const QString& version ) = 0;
+    QString toXmlString() const;
+
+    void check( ErrorMap& );
+    virtual bool check( ErrorMap&, bool first, bool last ) = 0;
+
+    void addChild( RegExp* child );
+    void removeChild( RegExp* child );
+    void setParent( RegExp* parent );
+    RegExp* clone() const;
+    virtual bool operator==( const RegExp& other ) const { return ( type() == other.type() ); }
+
+    enum RegExpType { CONC, TEXT, DOT, POSITION, REPEAT, ALTN, COMPOUND, LOOKAHEAD, TEXTRANGE };
+    virtual RegExpType type() const = 0;
+    virtual void replacePart( CompoundRegExp* /* replacement */ ) {}
+    bool isSelected() const { return _selected; }
+    void setSelected( bool b ) { _selected = b; }
+
+protected:
+    RegExp* readRegExp( QDomElement top, const QString& version );
+
+private:
+    RegExp() {} // disable
+    QPtrList<RegExp> _children;
+    RegExp* _parent;
+    bool _destructing;
+    bool _selected;
+};
+
+typedef QPtrList<RegExp> RegExpList;
+typedef QPtrListIterator<RegExp> RegExpListIt;
+
+#endif // REGEXP_H
+