buffer.h

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/*
 | Author: Michael Schmidt;
 |         Gunnar Jehl 
 |
 | ************************* SOFTWARE LICENSE AGREEMENT ***********************
 | This source code is published under the BSD License.
 |
 | See file 'LICENSE.txt' that comes with this distribution or
 | http://dbis.informatik.uni-freiburg.de/index.php?project=GCX/license.php
 | for the full license agreement.
 |
 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 | POSSIBILITY OF SUCH DAMAGE.
 | ****************************************************************************
*/

#ifndef BUFFER_H
#define BUFFER_H

#include "buffernode.h"
#include "projectiondfa.h"

class Buffer {

  public:
    Buffer(ProjectionDFA * _pdfa);

    virtual ~ Buffer();

    void appendTag(TAG tag);

    void appendTag(TAG tag, vector < unsigned >*_cumulative_roles,
                   vector < unsigned >*_non_cumulative_roles);

    void appendPCData(const char *data);

    void appendPCData(const char *data, vector < unsigned >*_cumulative_roles,
                      vector < unsigned >*_non_cumulative_roles);

    void appendRoles(vector < unsigned >*_cumulative_roles,
                     vector < unsigned >*_non_cumulative_roles);

    void print(OutputStream & dos);

    void printCurrent(OutputStream & dos);

    void debugPrint(OutputStream & dos);

    inline BufferNode *getRoot() {
        return root;
    } inline BufferNode *getCurrent() {
        return cur;
    }

    void closeTag();

  private:
    BufferNode * root;

    BufferNode *cur;
};

#endif // BUFFER_H

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