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      1 /*
      2  *
      3  * (C) Copyright IBM Corp.  and others 2013-2014 - All Rights Reserved
      4  *
      5  */
      6 
      7 #ifndef __CONTEXTUALGLYPHINSERTIONPROCESSOR2_H
      8 #define __CONTEXTUALGLYPHINSERTIONPROCESSOR2_H
      9 
     10 /**
     11  * \file
     12  * \internal
     13  */
     14 
     15 #include "LETypes.h"
     16 #include "MorphTables.h"
     17 #include "SubtableProcessor2.h"
     18 #include "StateTableProcessor2.h"
     19 #include "ContextualGlyphInsertionProc2.h"
     20 #include "ContextualGlyphInsertion.h"
     21 
     22 U_NAMESPACE_BEGIN
     23 
     24 class LEGlyphStorage;
     25 
     26 class ContextualGlyphInsertionProcessor2 : public StateTableProcessor2
     27 {
     28 public:
     29     virtual void beginStateTable();
     30 
     31     virtual le_uint16 processStateEntry(LEGlyphStorage &glyphStorage,
     32                                         le_int32 &currGlyph, EntryTableIndex2 index, LEErrorCode &success);
     33 
     34     virtual void endStateTable();
     35 
     36     ContextualGlyphInsertionProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success);
     37     virtual ~ContextualGlyphInsertionProcessor2();
     38 
     39     /**
     40      * ICU "poor man's RTTI", returns a UClassID for the actual class.
     41      *
     42      * @deprecated ICU 54. See {@link icu::LayoutEngine}
     43      */
     44     virtual UClassID getDynamicClassID() const;
     45 
     46     /**
     47      * ICU "poor man's RTTI", returns a UClassID for this class.
     48      *
     49      * @deprecated ICU 54. See {@link icu::LayoutEngine}
     50      */
     51     static UClassID getStaticClassID();
     52 
     53 private:
     54     ContextualGlyphInsertionProcessor2();
     55 
     56     /**
     57      * Perform the actual insertion
     58      * @param atGlyph index of glyph to insert at
     59      * @param index index into the insertionTable (in/out)
     60      * @param count number of insertions
     61      * @param isKashidaLike Kashida like (vs Split Vowel like). No effect currently.
     62      * @param isBefore if true, insert extra glyphs before the marked glyph
     63      */
     64     void doInsertion(LEGlyphStorage &glyphStorage,
     65                               le_int16 atGlyph,
     66                               le_int16 &index,
     67                               le_int16 count,
     68                               le_bool isKashidaLike,
     69                               le_bool isBefore,
     70                               LEErrorCode &success);
     71 
     72 
     73 protected:
     74     le_int32 markGlyph;
     75     LEReferenceToArrayOf<le_uint16> insertionTable;
     76     LEReferenceToArrayOf<ContextualGlyphInsertionStateEntry2> entryTable;
     77     LEReferenceTo<ContextualGlyphInsertionHeader2> contextualGlyphHeader;
     78 };
     79 
     80 U_NAMESPACE_END
     81 #endif
     82