ICU-64232.0.1.tar.gz

[apple/icu.git] / icuSources / layout / MultipleSubstSubtables.cpp

diff --git a/icuSources/layout/MultipleSubstSubtables.cpp b/icuSources/layout/MultipleSubstSubtables.cpp
deleted file mode 100644 (file)
index 4fdc0a4..0000000
--- a/icuSources/layout/MultipleSubstSubtables.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- *
- * (C) Copyright IBM Corp. 1998-2015 - All Rights Reserved
- *
- */
-
-#include "LETypes.h"
-#include "LEGlyphFilter.h"
-#include "OpenTypeTables.h"
-#include "GlyphSubstitutionTables.h"
-#include "MultipleSubstSubtables.h"
-#include "GlyphIterator.h"
-#include "LESwaps.h"
-
-U_NAMESPACE_BEGIN
-
-le_uint32 MultipleSubstitutionSubtable::process(const LETableReference &base, GlyphIterator *glyphIterator, LEErrorCode& success, const LEGlyphFilter *filter) const
-{
-    if (LE_FAILURE(success)) {
-        return 0;
-    }
-
-    LEGlyphID glyph = glyphIterator->getCurrGlyphID();
-
-    // If there's a filter, we only want to do the
-    // substitution if the *input* glyphs doesn't
-    // exist.
-    //
-    // FIXME: is this always the right thing to do?
-    // FIXME: should this only be done for a non-zero
-    //        glyphCount?
-    if (filter != NULL && filter->accept(glyph)) {
-        return 0;
-    }
-
-    le_int32 coverageIndex = getGlyphCoverage(base, glyph, success);
-    le_uint16 seqCount = SWAPW(sequenceCount);
-    LEReferenceToArrayOf<Offset>
-        sequenceTableOffsetArrayRef(base, success, sequenceTableOffsetArray, seqCount);
-
-    if (LE_FAILURE(success)) {
-        return 0;
-    }
-    if (coverageIndex >= 0 && coverageIndex < seqCount) {
-        Offset sequenceTableOffset = SWAPW(sequenceTableOffsetArray[coverageIndex]);
-        const SequenceTable *sequenceTable = (const SequenceTable *) ((char *) this + sequenceTableOffset);
-        le_uint16 glyphCount = SWAPW(sequenceTable->glyphCount);
-
-        if (glyphCount == 0) {
-            glyphIterator->setCurrGlyphID(0xFFFF);
-            return 1;
-        } else if (glyphCount == 1) {
-            TTGlyphID substitute = SWAPW(sequenceTable->substituteArray[0]);
-
-            if (filter != NULL && ! filter->accept(LE_SET_GLYPH(glyph, substitute))) {
-                return 0;
-            }
-
-            glyphIterator->setCurrGlyphID(substitute);
-            return 1;
-        } else {
-            // If there's a filter, make sure all of the output glyphs
-            // exist.
-            if (filter != NULL) {
-                for (le_int32 i = 0; i < glyphCount; i += 1) {
-                    TTGlyphID substitute = SWAPW(sequenceTable->substituteArray[i]);
-
-                    if (! filter->accept(substitute)) {
-                        return 0;
-                    }
-                }
-            }
-
-            LEGlyphID *newGlyphs = glyphIterator->insertGlyphs(glyphCount, success);
-            if (LE_FAILURE(success)) { 
-                return 0;
-            }
-
-            le_int32 insert = 0, direction = 1;
-
-            if (glyphIterator->isRightToLeft()) {
-                insert = glyphCount - 1;
-                direction = -1;
-            }
-
-            for (le_int32 i = 0; i < glyphCount; i += 1) {
-                TTGlyphID substitute = SWAPW(sequenceTable->substituteArray[i]);
-
-                newGlyphs[insert] = LE_SET_GLYPH(glyph, substitute);
-                insert += direction;
-            }
-
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-U_NAMESPACE_END