G(arbage) C(ollected) X(Query) Engine: streamtracker.h Source File

00001 
00002 /*
00003  | Author: Michael Schmidt;
00004  |         Gunnar Jehl 
00005  |
00006  | ************************* SOFTWARE LICENSE AGREEMENT ***********************
00007  | This source code is published under the BSD License.
00008  |
00009  | See file 'LICENSE.txt' that comes with this distribution or
00010  | http://dbis.informatik.uni-freiburg.de/index.php?project=GCX/license.php
00011  | for the full license agreement.
00012  |
00013  | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00014  | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00015  | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00016  | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00017  | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00018  | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00019  | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00020  | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00021  | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00022  | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00023  | POSSIBILITY OF SUCH DAMAGE.
00024  | ****************************************************************************
00025 */
00026 
00035 #ifndef STREAMTRACKER_H
00036 #define STREAMTRACKER_H
00037 
00038 #include "buffer.h"
00039 
00040 #ifdef VALIDATION
00041 #include "parseexception.h"
00042 #endif // #ifdef VALIDATION
00043 
00056 class StreamTracker {
00057 
00058   public:
00064     StreamTracker(ProjectionDFA * _pdfa, Buffer * _buffer);
00065 
00069     virtual ~ StreamTracker();
00070 
00079     void processOpeningTag(const char *tag);
00080 
00089     void processBachelorTag(const char *tag);
00090 
00091 #ifdef VALIDATION
00092 
00101     void processClosingTag(TAG tag);
00102 #endif                          // #ifdef VALIDATION
00103 
00104 
00105 #ifdef VALIDATION
00106 
00115     void processClosingTag(const char *_tag);
00116 #else
00117 
00125     void processClosingTag();
00126 #endif                          // #ifdef VALIDATION
00127 
00135     void processPCData(const char *data);
00136 
00137   private:
00145      ProjectionDFAState * cur;
00146 
00152     Buffer *buffer;
00153 
00158     TagMap *tagmap;
00159 
00166     unsigned skip_subtree_depth;
00167 
00174     unsigned keep_subtree_depth;
00175 };
00176 
00177 #endif // STREAMTRACKER_H