+++ /dev/null
-/*
- *
- * (C) Copyright IBM Corp. 1998-2015 - 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 = (le_uint32)currGlyph;
- }
-
- if (flags & irfMarkLast) {
- lastGlyph = (le_uint32)currGlyph;
- }
-
- doRearrangementAction(glyphStorage, (IndicRearrangementVerb) (flags & irfVerbMask), success);
-
- if (!(flags & irfDontAdvance)) {
- // XXX: Should handle reverse too...
- currGlyph += 1;
- }
-
- return newState;
-}
-
-void IndicRearrangementProcessor::endStateTable()
-{
-}
-
-void IndicRearrangementProcessor::doRearrangementAction(LEGlyphStorage &glyphStorage, IndicRearrangementVerb verb, LEErrorCode &success) const
-{
- LEGlyphID a, b, c, d;
- le_int32 ia, ib, ic, id, ix, x;
-
- if (LE_FAILURE(success)) return;
-
- if (verb == irvNoAction) {
- return;
- }
- if (firstGlyph > lastGlyph) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- return;
- }
-
- switch(verb)
- {
- case irvxA:
- if (firstGlyph == lastGlyph) break;
- if (firstGlyph + 1 < firstGlyph) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if (firstGlyph == lastGlyph) break;
- if (lastGlyph - 1 > lastGlyph) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if ((firstGlyph + 2 < firstGlyph) ||
- (lastGlyph - firstGlyph < 1)) { // difference == 1 is a no-op, < 1 is an error.
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if ((firstGlyph + 2 < firstGlyph) ||
- (lastGlyph - firstGlyph < 1)) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if ((lastGlyph - 2 > lastGlyph) ||
- (lastGlyph - firstGlyph < 1)) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if ((lastGlyph - 2 > lastGlyph) ||
- (lastGlyph - firstGlyph < 1)) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if ((lastGlyph - 2 > lastGlyph) ||
- (lastGlyph - firstGlyph < 2)) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if ((lastGlyph - 2 > lastGlyph) ||
- (lastGlyph - firstGlyph < 2)) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if ((firstGlyph + 2 < firstGlyph) ||
- (lastGlyph - firstGlyph < 2)) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if ((firstGlyph + 2 < firstGlyph) ||
- (lastGlyph - firstGlyph < 2)) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if (lastGlyph - firstGlyph < 3) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if (lastGlyph - firstGlyph < 3) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if (lastGlyph - firstGlyph < 3) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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:
- if (lastGlyph - firstGlyph < 3) {
- success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
- break;
- }
- 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
projects / apple / icu.git / blobdiff