/* * * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved * */ #include "LETypes.h" #include "MorphTables.h" #include "StateTables.h" #include "MorphStateTables.h" #include "SubtableProcessor.h" #include "StateTableProcessor.h" #include "IndicRearrangementProcessor.h" #include "LEGlyphStorage.h" #include "LESwaps.h" U_NAMESPACE_BEGIN UOBJECT_DEFINE_RTTI_IMPLEMENTATION(IndicRearrangementProcessor) IndicRearrangementProcessor::IndicRearrangementProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success) : StateTableProcessor(morphSubtableHeader, success), indicRearrangementSubtableHeader(morphSubtableHeader, success), entryTable(stateTableHeader, success, (const IndicRearrangementStateEntry*)(&stateTableHeader->stHeader), entryTableOffset, LE_UNBOUNDED_ARRAY), int16Table(stateTableHeader, success, (const le_int16*)entryTable.getAlias(), 0, LE_UNBOUNDED_ARRAY) { } IndicRearrangementProcessor::~IndicRearrangementProcessor() { } void IndicRearrangementProcessor::beginStateTable() { firstGlyph = 0; lastGlyph = 0; } ByteOffset IndicRearrangementProcessor::processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex index) { LEErrorCode success = LE_NO_ERROR; // todo- make a param? const IndicRearrangementStateEntry *entry = entryTable.getAlias(index,success); ByteOffset newState = SWAPW(entry->newStateOffset); IndicRearrangementFlags flags = (IndicRearrangementFlags) SWAPW(entry->flags); if (flags & irfMarkFirst) { firstGlyph = currGlyph; } if (flags & irfMarkLast) { lastGlyph = currGlyph; } doRearrangementAction(glyphStorage, (IndicRearrangementVerb) (flags & irfVerbMask)); if (!(flags & irfDontAdvance)) { // XXX: Should handle reverse too... currGlyph += 1; } return newState; } void IndicRearrangementProcessor::endStateTable() { } void IndicRearrangementProcessor::doRearrangementAction(LEGlyphStorage &glyphStorage, IndicRearrangementVerb verb) const { LEGlyphID a, b, c, d; le_int32 ia, ib, ic, id, ix, x; LEErrorCode success = LE_NO_ERROR; switch(verb) { case irvNoAction: break; case irvxA: a = glyphStorage[firstGlyph]; ia = glyphStorage.getCharIndex(firstGlyph, success); x = firstGlyph + 1; while (x <= lastGlyph) { glyphStorage[x - 1] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x - 1, ix, success); x += 1; } glyphStorage[lastGlyph] = a; glyphStorage.setCharIndex(lastGlyph, ia, success); break; case irvDx: d = glyphStorage[lastGlyph]; id = glyphStorage.getCharIndex(lastGlyph, success); x = lastGlyph - 1; while (x >= firstGlyph) { glyphStorage[x + 1] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x + 1, ix, success); x -= 1; } glyphStorage[firstGlyph] = d; glyphStorage.setCharIndex(firstGlyph, id, success); break; case irvDxA: a = glyphStorage[firstGlyph]; ia = glyphStorage.getCharIndex(firstGlyph, success); id = glyphStorage.getCharIndex(lastGlyph, success); glyphStorage[firstGlyph] = glyphStorage[lastGlyph]; glyphStorage[lastGlyph] = a; glyphStorage.setCharIndex(firstGlyph, id, success); glyphStorage.setCharIndex(lastGlyph, ia, success); break; case irvxAB: a = glyphStorage[firstGlyph]; b = glyphStorage[firstGlyph + 1]; ia = glyphStorage.getCharIndex(firstGlyph, success); ib = glyphStorage.getCharIndex(firstGlyph + 1, success); x = firstGlyph + 2; while (x <= lastGlyph) { glyphStorage[x - 2] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x - 2, ix, success); x += 1; } glyphStorage[lastGlyph - 1] = a; glyphStorage[lastGlyph] = b; glyphStorage.setCharIndex(lastGlyph - 1, ia, success); glyphStorage.setCharIndex(lastGlyph, ib, success); break; case irvxBA: a = glyphStorage[firstGlyph]; b = glyphStorage[firstGlyph + 1]; ia = glyphStorage.getCharIndex(firstGlyph, success); ib = glyphStorage.getCharIndex(firstGlyph + 1, success); x = firstGlyph + 2; while (x <= lastGlyph) { glyphStorage[x - 2] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x - 2, ix, success); x += 1; } glyphStorage[lastGlyph - 1] = b; glyphStorage[lastGlyph] = a; glyphStorage.setCharIndex(lastGlyph - 1, ib, success); glyphStorage.setCharIndex(lastGlyph, ia, success); break; case irvCDx: c = glyphStorage[lastGlyph - 1]; d = glyphStorage[lastGlyph]; ic = glyphStorage.getCharIndex(lastGlyph - 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); x = lastGlyph - 2; while (x >= firstGlyph) { glyphStorage[x + 2] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x + 2, ix, success); x -= 1; } glyphStorage[firstGlyph] = c; glyphStorage[firstGlyph + 1] = d; glyphStorage.setCharIndex(firstGlyph, ic, success); glyphStorage.setCharIndex(firstGlyph + 1, id, success); break; case irvDCx: c = glyphStorage[lastGlyph - 1]; d = glyphStorage[lastGlyph]; ic = glyphStorage.getCharIndex(lastGlyph - 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); x = lastGlyph - 2; while (x >= firstGlyph) { glyphStorage[x + 2] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x + 2, ix, success); x -= 1; } glyphStorage[firstGlyph] = d; glyphStorage[firstGlyph + 1] = c; glyphStorage.setCharIndex(firstGlyph, id, success); glyphStorage.setCharIndex(firstGlyph + 1, ic, success); break; case irvCDxA: a = glyphStorage[firstGlyph]; c = glyphStorage[lastGlyph - 1]; d = glyphStorage[lastGlyph]; ia = glyphStorage.getCharIndex(firstGlyph, success); ic = glyphStorage.getCharIndex(lastGlyph - 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); x = lastGlyph - 2; while (x > firstGlyph) { glyphStorage[x + 1] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x + 1, ix, success); x -= 1; } glyphStorage[firstGlyph] = c; glyphStorage[firstGlyph + 1] = d; glyphStorage[lastGlyph] = a; glyphStorage.setCharIndex(firstGlyph, ic, success); glyphStorage.setCharIndex(firstGlyph + 1, id, success); glyphStorage.setCharIndex(lastGlyph, ia, success); break; case irvDCxA: a = glyphStorage[firstGlyph]; c = glyphStorage[lastGlyph - 1]; d = glyphStorage[lastGlyph]; ia = glyphStorage.getCharIndex(firstGlyph, success); ic = glyphStorage.getCharIndex(lastGlyph - 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); x = lastGlyph - 2; while (x > firstGlyph) { glyphStorage[x + 1] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x + 1, ix, success); x -= 1; } glyphStorage[firstGlyph] = d; glyphStorage[firstGlyph + 1] = c; glyphStorage[lastGlyph] = a; glyphStorage.setCharIndex(firstGlyph, id, success); glyphStorage.setCharIndex(firstGlyph + 1, ic, success); glyphStorage.setCharIndex(lastGlyph, ia, success); break; case irvDxAB: a = glyphStorage[firstGlyph]; b = glyphStorage[firstGlyph + 1]; d = glyphStorage[lastGlyph]; ia = glyphStorage.getCharIndex(firstGlyph, success); ib = glyphStorage.getCharIndex(firstGlyph + 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); x = firstGlyph + 2; while (x < lastGlyph) { glyphStorage[x - 2] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x - 2, ix, success); x += 1; } glyphStorage[firstGlyph] = d; glyphStorage[lastGlyph - 1] = a; glyphStorage[lastGlyph] = b; glyphStorage.setCharIndex(firstGlyph, id, success); glyphStorage.setCharIndex(lastGlyph - 1, ia, success); glyphStorage.setCharIndex(lastGlyph, ib, success); break; case irvDxBA: a = glyphStorage[firstGlyph]; b = glyphStorage[firstGlyph + 1]; d = glyphStorage[lastGlyph]; ia = glyphStorage.getCharIndex(firstGlyph, success); ib = glyphStorage.getCharIndex(firstGlyph + 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); x = firstGlyph + 2; while (x < lastGlyph) { glyphStorage[x - 2] = glyphStorage[x]; ix = glyphStorage.getCharIndex(x, success); glyphStorage.setCharIndex(x - 2, ix, success); x += 1; } glyphStorage[firstGlyph] = d; glyphStorage[lastGlyph - 1] = b; glyphStorage[lastGlyph] = a; glyphStorage.setCharIndex(firstGlyph, id, success); glyphStorage.setCharIndex(lastGlyph - 1, ib, success); glyphStorage.setCharIndex(lastGlyph, ia, success); break; case irvCDxAB: a = glyphStorage[firstGlyph]; b = glyphStorage[firstGlyph + 1]; glyphStorage[firstGlyph] = glyphStorage[lastGlyph - 1]; glyphStorage[firstGlyph + 1] = glyphStorage[lastGlyph]; glyphStorage[lastGlyph - 1] = a; glyphStorage[lastGlyph] = b; ia = glyphStorage.getCharIndex(firstGlyph, success); ib = glyphStorage.getCharIndex(firstGlyph + 1, success); ic = glyphStorage.getCharIndex(lastGlyph - 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); glyphStorage.setCharIndex(firstGlyph, ic, success); glyphStorage.setCharIndex(firstGlyph + 1, id, success); glyphStorage.setCharIndex(lastGlyph - 1, ia, success); glyphStorage.setCharIndex(lastGlyph, ib, success); break; case irvCDxBA: a = glyphStorage[firstGlyph]; b = glyphStorage[firstGlyph + 1]; glyphStorage[firstGlyph] = glyphStorage[lastGlyph - 1]; glyphStorage[firstGlyph + 1] = glyphStorage[lastGlyph]; glyphStorage[lastGlyph - 1] = b; glyphStorage[lastGlyph] = a; ia = glyphStorage.getCharIndex(firstGlyph, success); ib = glyphStorage.getCharIndex(firstGlyph + 1, success); ic = glyphStorage.getCharIndex(lastGlyph - 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); glyphStorage.setCharIndex(firstGlyph, ic, success); glyphStorage.setCharIndex(firstGlyph + 1, id, success); glyphStorage.setCharIndex(lastGlyph - 1, ib, success); glyphStorage.setCharIndex(lastGlyph, ia, success); break; case irvDCxAB: a = glyphStorage[firstGlyph]; b = glyphStorage[firstGlyph + 1]; glyphStorage[firstGlyph] = glyphStorage[lastGlyph]; glyphStorage[firstGlyph + 1] = glyphStorage[lastGlyph - 1]; glyphStorage[lastGlyph - 1] = a; glyphStorage[lastGlyph] = b; ia = glyphStorage.getCharIndex(firstGlyph, success); ib = glyphStorage.getCharIndex(firstGlyph + 1, success); ic = glyphStorage.getCharIndex(lastGlyph - 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); glyphStorage.setCharIndex(firstGlyph, id, success); glyphStorage.setCharIndex(firstGlyph + 1, ic, success); glyphStorage.setCharIndex(lastGlyph - 1, ia, success); glyphStorage.setCharIndex(lastGlyph, ib, success); break; case irvDCxBA: a = glyphStorage[firstGlyph]; b = glyphStorage[firstGlyph + 1]; glyphStorage[firstGlyph] = glyphStorage[lastGlyph]; glyphStorage[firstGlyph + 1] = glyphStorage[lastGlyph - 1]; glyphStorage[lastGlyph - 1] = b; glyphStorage[lastGlyph] = a; ia = glyphStorage.getCharIndex(firstGlyph, success); ib = glyphStorage.getCharIndex(firstGlyph + 1, success); ic = glyphStorage.getCharIndex(lastGlyph - 1, success); id = glyphStorage.getCharIndex(lastGlyph, success); glyphStorage.setCharIndex(firstGlyph, id, success); glyphStorage.setCharIndex(firstGlyph + 1, ic, success); glyphStorage.setCharIndex(lastGlyph - 1, ib, success); glyphStorage.setCharIndex(lastGlyph, ia, success); break; default: break; } } U_NAMESPACE_END