icuSources/layout/ContextualGlyphInsertionProc2.h

   1 /*
   2  *
   3  * (C) Copyright IBM Corp.  and others 2013 - 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      * @stable ICU 2.8
  43      */
  44     virtual UClassID getDynamicClassID() const;
  45
  46     /**
  47      * ICU "poor man's RTTI", returns a UClassID for this class.
  48      *
  49      * @stable ICU 2.8
  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