X-Git-Url: https://git.saurik.com/apple/icu.git/blobdiff_plain/249c4c5ea9376c24572daf9c2effa7484a282f14..3d1f044b704633e2e541231cd17ae9ecf9ad5c7a:/icuSources/layout/StateTableProcessor2.cpp diff --git a/icuSources/layout/StateTableProcessor2.cpp b/icuSources/layout/StateTableProcessor2.cpp deleted file mode 100644 index df94aedb..00000000 --- a/icuSources/layout/StateTableProcessor2.cpp +++ /dev/null @@ -1,218 +0,0 @@ -/* - * - * (C) Copyright IBM Corp. and others 1998-2016 - All Rights Reserved - * - */ - -#include "LETypes.h" -#include "MorphTables.h" -#include "StateTables.h" -#include "MorphStateTables.h" -#include "SubtableProcessor2.h" -#include "StateTableProcessor2.h" -#include "LEGlyphStorage.h" -#include "LESwaps.h" -#include "LookupTables.h" - -U_NAMESPACE_BEGIN - -StateTableProcessor2::StateTableProcessor2() -{ -} - -StateTableProcessor2::StateTableProcessor2(const LEReferenceTo &morphSubtableHeader, LEErrorCode &success) - : SubtableProcessor2(morphSubtableHeader, success), - dir(1), - format(0), - nClasses(0), - classTableOffset(0), - stateArrayOffset(0), - entryTableOffset(0), - classTable(), - stateArray(), - stateTableHeader(morphSubtableHeader, success), - stHeader(stateTableHeader, success, (const StateTableHeader2*)&stateTableHeader->stHeader) -{ - if (LE_FAILURE(success)) { - return; - } - nClasses = SWAPL(stHeader->nClasses); - classTableOffset = SWAPL(stHeader->classTableOffset); - stateArrayOffset = SWAPL(stHeader->stateArrayOffset); - entryTableOffset = SWAPL(stHeader->entryTableOffset); - - classTable = LEReferenceTo(stHeader, success, classTableOffset); - format = SWAPW(classTable->format); - - stateArray = LEReferenceToArrayOf(stHeader, success, stateArrayOffset, LE_UNBOUNDED_ARRAY); -} - -StateTableProcessor2::~StateTableProcessor2() -{ -} - -void StateTableProcessor2::process(LEGlyphStorage &glyphStorage, LEErrorCode &success) -{ - if (LE_FAILURE(success)) return; - // Start at state 0 - // XXX: How do we know when to start at state 1? - le_uint16 currentState = 0; - le_int32 glyphCount = glyphStorage.getGlyphCount(); - - LE_STATE_PATIENCE_INIT(); - - le_int32 currGlyph = 0; - if ((coverage & scfReverse2) != 0) { // process glyphs in descending order - currGlyph = glyphCount - 1; - dir = -1; - } else { - dir = 1; - } - - beginStateTable(); - switch (format) { - case ltfSimpleArray: { -#ifdef TEST_FORMAT - LEReferenceTo lookupTable0(classTable, success); - if(LE_FAILURE(success)) break; - while ((dir == 1 && currGlyph <= glyphCount) || (dir == -1 && currGlyph >= -1)) { - if (LE_FAILURE(success)) break; - if (LE_STATE_PATIENCE_DECR()) { - LE_DEBUG_BAD_FONT("patience exceeded - state table not moving") - break; // patience exceeded. - } - LookupValue classCode = classCodeOOB; - if (currGlyph == glyphCount || currGlyph == -1) { - // XXX: How do we handle EOT vs. EOL? - classCode = classCodeEOT; - } else { - LEGlyphID gid = glyphStorage[currGlyph]; - TTGlyphID glyphCode = (TTGlyphID) LE_GET_GLYPH(gid); - - if (glyphCode == 0xFFFF) { - classCode = classCodeDEL; - } else { - classCode = SWAPW(lookupTable0->valueArray[gid]); - } - } - EntryTableIndex2 entryTableIndex = SWAPW(stateArray(classCode + currentState * nClasses, success)); - LE_STATE_PATIENCE_CURR(le_int32, currGlyph); - currentState = processStateEntry(glyphStorage, currGlyph, entryTableIndex); // return a zero-based index instead of a byte offset - LE_STATE_PATIENCE_INCR(currGlyph); - } -#endif - break; - } - case ltfSegmentSingle: { - LEReferenceTo lookupTable2(classTable, success); - if(LE_FAILURE(success)) break; - while ((dir == 1 && currGlyph <= glyphCount) || (dir == -1 && currGlyph >= -1)) { - if (LE_FAILURE(success)) break; - if (LE_STATE_PATIENCE_DECR()) { - LE_DEBUG_BAD_FONT("patience exceeded - state table not moving") - break; // patience exceeded. - } - LookupValue classCode = classCodeOOB; - if (currGlyph == glyphCount || currGlyph == -1) { - // XXX: How do we handle EOT vs. EOL? - classCode = classCodeEOT; - } else { - LEGlyphID gid = glyphStorage[currGlyph]; - TTGlyphID glyphCode = (TTGlyphID) LE_GET_GLYPH(gid); - - if (glyphCode == 0xFFFF) { - classCode = classCodeDEL; - } else { - const LookupSegment *segment = - lookupTable2->lookupSegment(lookupTable2, lookupTable2->segments, gid, success); - if (segment != NULL && LE_SUCCESS(success)) { - classCode = SWAPW(segment->value); - } - } - } - EntryTableIndex2 entryTableIndex = SWAPW(stateArray(classCode + currentState * nClasses,success)); - LE_STATE_PATIENCE_CURR(le_int32, currGlyph); - currentState = processStateEntry(glyphStorage, currGlyph, entryTableIndex, success); - LE_STATE_PATIENCE_INCR(currGlyph); - } - break; - } - case ltfSegmentArray: { - //printf("Lookup Table Format4: specific interpretation needed!\n"); - break; - } - case ltfSingleTable: { - LEReferenceTo lookupTable6(classTable, success); - while ((dir == 1 && currGlyph <= glyphCount) || (dir == -1 && currGlyph >= -1)) { - if (LE_FAILURE(success)) break; - if (LE_STATE_PATIENCE_DECR()) { - LE_DEBUG_BAD_FONT("patience exceeded - state table not moving") - break; // patience exceeded. - } - LookupValue classCode = classCodeOOB; - if (currGlyph == glyphCount || currGlyph == -1) { - // XXX: How do we handle EOT vs. EOL? - classCode = classCodeEOT; - } else if(currGlyph > glyphCount) { - // note if > glyphCount, we've run off the end (bad font) - currGlyph = glyphCount; - classCode = classCodeEOT; - } else { - LEGlyphID gid = glyphStorage[currGlyph]; - TTGlyphID glyphCode = (TTGlyphID) LE_GET_GLYPH(gid); - - if (glyphCode == 0xFFFF) { - classCode = classCodeDEL; - } else { - const LookupSingle *segment = lookupTable6->lookupSingle(lookupTable6, lookupTable6->entries, gid, success); - if (segment != NULL) { - classCode = SWAPW(segment->value); - } - } - } - EntryTableIndex2 entryTableIndex = SWAPW(stateArray(classCode + currentState * nClasses, success)); - LE_STATE_PATIENCE_CURR(le_int32, currGlyph); - currentState = processStateEntry(glyphStorage, currGlyph, entryTableIndex, success); - LE_STATE_PATIENCE_INCR(currGlyph); - } - break; - } - case ltfTrimmedArray: { - LEReferenceTo lookupTable8(classTable, success); - if (LE_FAILURE(success)) break; - TTGlyphID firstGlyph = SWAPW(lookupTable8->firstGlyph); - TTGlyphID lastGlyph = firstGlyph + SWAPW(lookupTable8->glyphCount); - - while ((dir == 1 && currGlyph <= glyphCount) || (dir == -1 && currGlyph >= -1)) { - if(LE_STATE_PATIENCE_DECR()) { - LE_DEBUG_BAD_FONT("patience exceeded - state table not moving") - break; // patience exceeded. - } - - LookupValue classCode = classCodeOOB; - if (currGlyph == glyphCount || currGlyph == -1) { - // XXX: How do we handle EOT vs. EOL? - classCode = classCodeEOT; - } else { - TTGlyphID glyphCode = (TTGlyphID) LE_GET_GLYPH(glyphStorage[currGlyph]); - if (glyphCode == 0xFFFF) { - classCode = classCodeDEL; - } else if ((glyphCode >= firstGlyph) && (glyphCode < lastGlyph)) { - classCode = SWAPW(lookupTable8->valueArray[glyphCode - firstGlyph]); - } - } - EntryTableIndex2 entryTableIndex = SWAPW(stateArray(classCode + currentState * nClasses, success)); - LE_STATE_PATIENCE_CURR(le_int32, currGlyph); - currentState = processStateEntry(glyphStorage, currGlyph, entryTableIndex, success); - LE_STATE_PATIENCE_INCR(currGlyph); - } - break; - } - default: - break; - } - - endStateTable(); -} - -U_NAMESPACE_END