icuSources/layout/SingleTableProcessor.cpp

   1 /*
   2  *
   3  * (C) Copyright IBM Corp. 1998-2015 - 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 LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success)
  25   : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader, success)
  26 {
  27   LEReferenceTo<NonContextualGlyphSubstitutionHeader> header(morphSubtableHeader, success);
  28   singleTableLookupTable = LEReferenceTo<SingleTableLookupTable>(morphSubtableHeader, success, (const SingleTableLookupTable*)&header->table);
  29 }
  30
  31 SingleTableProcessor::~SingleTableProcessor()
  32 {
  33 }
  34
  35 void SingleTableProcessor::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
  36 {
  37     const LookupSingle *entries = singleTableLookupTable->entries;
  38     le_int32 glyph;
  39     le_int32 glyphCount = glyphStorage.getGlyphCount();
  40
  41     if (LE_FAILURE(success)) return;
  42
  43     for (glyph = 0; glyph < glyphCount; glyph += 1) {
  44       const LookupSingle *lookupSingle = singleTableLookupTable->lookupSingle(singleTableLookupTable, entries, glyphStorage[glyph], success);
  45
  46         if (lookupSingle != NULL) {
  47             glyphStorage[glyph] = SWAPW(lookupSingle->value);
  48         }
  49     }
  50 }
  51
  52 U_NAMESPACE_END