diff options
Diffstat (limited to 'java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java')
| -rw-r--r-- | java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java | 60 |
1 files changed, 25 insertions, 35 deletions
diff --git a/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java b/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java index ceb8fa81f..5b319ad90 100644 --- a/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java +++ b/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java @@ -342,13 +342,11 @@ public final class BinaryDictDecoderUtils { * @param formatOptions file format options. * @return the word with its frequency, as a weighted string. */ - /* package for tests */ static WeightedString getWordAtPosition( - final Ver3DictDecoder dictDecoder, final int headerSize, final int pos, - final FormatOptions formatOptions) { - final DictBuffer dictBuffer = dictDecoder.getDictBuffer(); + /* package for tests */ static WeightedString getWordAtPosition(final DictDecoder dictDecoder, + final int headerSize, final int pos, final FormatOptions formatOptions) { final WeightedString result; - final int originalPos = dictBuffer.position(); - dictBuffer.position(pos); + final int originalPos = dictDecoder.getPosition(); + dictDecoder.setPosition(pos); if (BinaryDictIOUtils.supportsDynamicUpdate(formatOptions)) { result = getWordAtPositionWithParentAddress(dictDecoder, pos, formatOptions); @@ -357,14 +355,13 @@ public final class BinaryDictDecoderUtils { formatOptions); } - dictBuffer.position(originalPos); + dictDecoder.setPosition(originalPos); return result; } @SuppressWarnings("unused") - private static WeightedString getWordAtPositionWithParentAddress( - final Ver3DictDecoder dictDecoder, final int pos, final FormatOptions options) { - final DictBuffer dictBuffer = dictDecoder.getDictBuffer(); + private static WeightedString getWordAtPositionWithParentAddress(final DictDecoder dictDecoder, + final int pos, final FormatOptions options) { int currentPos = pos; int frequency = Integer.MIN_VALUE; final StringBuilder builder = new StringBuilder(); @@ -373,7 +370,7 @@ public final class BinaryDictDecoderUtils { PtNodeInfo currentInfo; int loopCounter = 0; do { - dictBuffer.position(currentPos); + dictDecoder.setPosition(currentPos); currentInfo = dictDecoder.readPtNode(currentPos, options); if (BinaryDictIOUtils.isMovedPtNode(currentInfo.mFlags, options)) { currentPos = currentInfo.mParentAddress + currentInfo.mOriginalAddress; @@ -392,11 +389,10 @@ public final class BinaryDictDecoderUtils { } private static WeightedString getWordAtPositionWithoutParentAddress( - final Ver3DictDecoder dictDecoder, final int headerSize, final int pos, + final DictDecoder dictDecoder, final int headerSize, final int pos, final FormatOptions options) { - final DictBuffer dictBuffer = dictDecoder.getDictBuffer(); - dictBuffer.position(headerSize); - final int count = readPtNodeCount(dictBuffer); + dictDecoder.setPosition(headerSize); + final int count = dictDecoder.readPtNodeCount(); int groupPos = headerSize + BinaryDictIOUtils.getPtNodeCountSize(count); final StringBuilder builder = new StringBuilder(); WeightedString result = null; @@ -414,8 +410,8 @@ public final class BinaryDictDecoderUtils { if (info.mChildrenAddress > pos) { if (null == last) continue; builder.append(new String(last.mCharacters, 0, last.mCharacters.length)); - dictBuffer.position(last.mChildrenAddress); - i = readPtNodeCount(dictBuffer); + dictDecoder.setPosition(last.mChildrenAddress); + i = dictDecoder.readPtNodeCount(); groupPos = last.mChildrenAddress + BinaryDictIOUtils.getPtNodeCountSize(i); last = null; continue; @@ -424,8 +420,8 @@ public final class BinaryDictDecoderUtils { } if (0 == i && BinaryDictIOUtils.hasChildrenAddress(last.mChildrenAddress)) { builder.append(new String(last.mCharacters, 0, last.mCharacters.length)); - dictBuffer.position(last.mChildrenAddress); - i = readPtNodeCount(dictBuffer); + dictDecoder.setPosition(last.mChildrenAddress); + i = dictDecoder.readPtNodeCount(); groupPos = last.mChildrenAddress + BinaryDictIOUtils.getPtNodeCountSize(i); last = null; continue; @@ -449,17 +445,16 @@ public final class BinaryDictDecoderUtils { * @param options file format options. * @return the read node array with all his children already read. */ - private static PtNodeArray readNodeArray(final Ver3DictDecoder dictDecoder, + private static PtNodeArray readNodeArray(final DictDecoder dictDecoder, final int headerSize, final Map<Integer, PtNodeArray> reverseNodeArrayMap, final Map<Integer, PtNode> reversePtNodeMap, final FormatOptions options) throws IOException { - final DictBuffer dictBuffer = dictDecoder.getDictBuffer(); final ArrayList<PtNode> nodeArrayContents = new ArrayList<PtNode>(); - final int nodeArrayOriginPos = dictBuffer.position(); + final int nodeArrayOriginPos = dictDecoder.getPosition(); do { // Scan the linked-list node. - final int nodeArrayHeadPos = dictBuffer.position(); - final int count = readPtNodeCount(dictBuffer); + final int nodeArrayHeadPos = dictDecoder.getPosition(); + final int count = dictDecoder.readPtNodeCount(); int groupOffsetPos = nodeArrayHeadPos + BinaryDictIOUtils.getPtNodeCountSize(count); for (int i = count; i > 0; --i) { // Scan the array of PtNode. PtNodeInfo info = dictDecoder.readPtNode(groupOffsetPos, options); @@ -480,11 +475,11 @@ public final class BinaryDictDecoderUtils { if (BinaryDictIOUtils.hasChildrenAddress(info.mChildrenAddress)) { PtNodeArray children = reverseNodeArrayMap.get(info.mChildrenAddress); if (null == children) { - final int currentPosition = dictBuffer.position(); - dictBuffer.position(info.mChildrenAddress); + final int currentPosition = dictDecoder.getPosition(); + dictDecoder.setPosition(info.mChildrenAddress); children = readNodeArray(dictDecoder, headerSize, reverseNodeArrayMap, reversePtNodeMap, options); - dictBuffer.position(currentPosition); + dictDecoder.setPosition(currentPosition); } nodeArrayContents.add( new PtNode(info.mCharacters, shortcutTargets, bigrams, @@ -503,15 +498,10 @@ public final class BinaryDictDecoderUtils { // reach the end of the array. if (options.mSupportsDynamicUpdate) { - final int nextAddress = dictBuffer.readUnsignedInt24(); - if (nextAddress >= 0 && nextAddress < dictBuffer.limit()) { - dictBuffer.position(nextAddress); - } else { - break; - } + final boolean hasValidForwardLink = dictDecoder.readForwardLinkAndAdvancePosition(); + if (!hasValidForwardLink) break; } - } while (options.mSupportsDynamicUpdate && - dictBuffer.position() != FormatSpec.NO_FORWARD_LINK_ADDRESS); + } while (options.mSupportsDynamicUpdate && dictDecoder.hasNextPtNodeArray()); final PtNodeArray nodeArray = new PtNodeArray(nodeArrayContents); nodeArray.mCachedAddressBeforeUpdate = nodeArrayOriginPos; |