icuSources/layout/SingleTableProcessor.cpp

   1 /*
   2  *
   3  * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
   4  *
   5  */
   6
   7 #include "LETypes.h"
   8 #include "MorphTables.h"
   9 #include "SubtableProcessor.h"
  10 #include "NonContextualGlyphSubst.h"
  11 #include "NonContextualGlyphSubstProc.h"
  12 #include "SingleTableProcessor.h"
  13 #include "LEGlyphStorage.h"
  14 #include "LESwaps.h"
  15
  16 U_NAMESPACE_BEGIN
  17
  18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SingleTableProcessor)
  19
  20 SingleTableProcessor::SingleTableProcessor()
  21 {
  22 }
  23
  24 SingleTableProcessor::SingleTableProcessor(const MorphSubtableHeader *moprhSubtableHeader)
  25   : NonContextualGlyphSubstitutionProcessor(moprhSubtableHeader)
  26 {
  27     const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) moprhSubtableHeader;
  28
  29     singleTableLookupTable = (const SingleTableLookupTable *) &header->table;
  30 }
  31
  32 SingleTableProcessor::~SingleTableProcessor()
  33 {
  34 }
  35
  36 void SingleTableProcessor::process(LEGlyphStorage &glyphStorage)
  37 {
  38     const LookupSingle *entries = singleTableLookupTable->entries;
  39     le_int32 glyph;
  40     le_int32 glyphCount = glyphStorage.getGlyphCount();
  41
  42     for (glyph = 0; glyph < glyphCount; glyph += 1) {
  43         const LookupSingle *lookupSingle = singleTableLookupTable->lookupSingle(entries, glyphStorage[glyph]);
  44
  45         if (lookupSingle != NULL) {
  46             glyphStorage[glyph] = SWAPW(lookupSingle->value);
  47         }
  48     }
  49 }
  50
  51 U_NAMESPACE_END