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generator/parser/simplecursor.h  view on Meta::CPAN

   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 SIMPLECURSOR_H
#define SIMPLECURSOR_H

#include "cppparser_export.h"

struct CPPPARSER_EXPORT SimpleCursor {

 int line, column;

 SimpleCursor() : line(0), column(0) {
 }

 SimpleCursor(int _line, int _column) : line(_line), column(_column) {
 }

 static SimpleCursor invalid() {
     return SimpleCursor(-1, -1);
 }

 bool isValid() const {
     return line != -1 || column != -1;
 }

 bool operator<(const SimpleCursor& rhs) const {
     return line < rhs.line || (line == rhs.line && column < rhs.column);
 }
 
 bool operator<=(const SimpleCursor& rhs) const {
     return line < rhs.line || (line == rhs.line && column <= rhs.column);
 }

 bool operator>(const SimpleCursor& rhs) const {
     return line > rhs.line || (line == rhs.line && column > rhs.column);
 }
 
 bool operator>=(const SimpleCursor& rhs) const {
     return line > rhs.line || (line == rhs.line && column >= rhs.column);
 }

 bool operator ==(const SimpleCursor& rhs) const {
     return line == rhs.line && column == rhs.column;
 }
 
 bool operator !=(const SimpleCursor& rhs) const {
     return !(*this == rhs);
 }

 SimpleCursor operator +(const SimpleCursor& rhs) const {
     return SimpleCursor(line + rhs.line, column + rhs.column);
 }
};

inline uint qHash(const SimpleCursor& cursor) {
    return cursor.line * 53 + cursor.column * 47;
}

#endif