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Cross Reference: shuangpin_seg.h
xref: /nv-g11n/inputmethod/sunpinyin2/src/pinyin/shuangpin_seg.h
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      1 /*
      2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
      3  *
      4  * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
      5  *
      6  * The contents of this file are subject to the terms of either the GNU Lesser
      7  * General Public License Version 2.1 only ("LGPL") or the Common Development and
      8  * Distribution License ("CDDL")(collectively, the "License"). You may not use this
      9  * file except in compliance with the License. You can obtain a copy of the CDDL at
     10  * http://www.opensource.org/licenses/cddl1.php and a copy of the LGPLv2.1 at
     11  * http://www.opensource.org/licenses/lgpl-license.php. See the License for the
     12  * specific language governing permissions and limitations under the License. When
     13  * distributing the software, include this License Header Notice in each file and
     14  * include the full text of the License in the License file as well as the
     15  * following notice:
     16  *
     17  * NOTICE PURSUANT TO SECTION 9 OF THE COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
     18  * (CDDL)
     19  * For Covered Software in this distribution, this License shall be governed by the
     20  * laws of the State of California (excluding conflict-of-law provisions).
     21  * Any litigation relating to this License shall be subject to the jurisdiction of
     22  * the Federal Courts of the Northern District of California and the state courts
     23  * of the State of California, with venue lying in Santa Clara County, California.
     24  *
     25  * Contributor(s):
     26  *
     27  * If you wish your version of this file to be governed by only the CDDL or only
     28  * the LGPL Version 2.1, indicate your decision by adding "[Contributor]" elects to
     29  * include this software in this distribution under the [CDDL or LGPL Version 2.1]
     30  * license." If you don't indicate a single choice of license, a recipient has the
     31  * option to distribute your version of this file under either the CDDL or the LGPL
     32  * Version 2.1, or to extend the choice of license to its licensees as provided
     33  * above. However, if you add LGPL Version 2.1 code and therefore, elected the LGPL
     34  * Version 2 license, then the option applies only if the new code is made subject
     35  * to such option by the copyright holder.
     36  */
     37 
     38 #ifndef SUNPY_SHUANGPIN_SEG_H
     39 #define SUNPY_SHUANGPIN_SEG_H
     40 
     41 #include "portability.h"
     42 #include "shuangpin_data.h"
     43 #include "pinyin_seg.h"
     44 #include <vector>
     45 
     46 
     47 class CShuangpinSegmentor : public IPySegmentor
     48 {
     49 public:
     50     CShuangpinSegmentor (EShuangpinType  shpType);
     51 
     52     virtual TSegmentVec& getSegments () {return m_segs;}
     53     virtual const wstring& getInputBuffer () const {return m_inputBuf;}
     54     virtual const char* getSylSeps () {return "'";}
     55 
     56     virtual unsigned push (unsigned ch);
     57     virtual unsigned pop ();
     58     virtual unsigned insertAt (unsigned idx, unsigned ch);
     59     virtual unsigned deleteAt (unsigned idx, bool backward=true);
     60     virtual unsigned clear (unsigned from=0);
     61 
     62     virtual unsigned updatedFrom () {return m_updatedFrom;}
     63     virtual void locateSegment (unsigned idx, unsigned &strIdx, unsigned &segIdx);
     64 
     65 
     66 private:
     67     unsigned _segmentor  (unsigned ch);
     68     unsigned _clear (unsigned from);
     69     int _getNumberOfNonAlpha() const;
     70     int _encode(const char* buf, char ch, bool isComplete);
     71 
     72     static CShuangpinData   s_shpData;
     73     std::string             m_pystr;
     74     wstring                 m_inputBuf;
     75     TSegmentVec             m_segs;
     76     unsigned                m_updatedFrom;
     77     int                     m_nAlpha;     /* number of non-py chars in m_pystr*/
     78     bool                    m_hasInvalid; /* true if there is invalid py in m_pystr */
     79     unsigned                m_nLastValidPos;
     80 };
     81 
     82 #endif /* SUNPY_SHUANGPIN_SEG_H */
     83