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Commit bc492623 authored by Yuichiro Hanada's avatar Yuichiro Hanada
Browse files

Add skipPtNode to DictDecoders.

Change-Id: I042ff041b68572182c87dc87db6a6aa2bbbefc6c
parent 74730a46
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+2 −0
Original line number Diff line number Diff line
@@ -288,6 +288,8 @@ public final class BinaryDictIOUtils {
        return BinaryDictEncoderUtils.getByteSize(value);
    }

    // TODO: Remove this method.
    @Deprecated
    static void skipPtNode(final DictBuffer dictBuffer, final FormatOptions formatOptions) {
        final int flags = dictBuffer.readUnsignedByte();
        BinaryDictDecoderUtils.readParentAddress(dictBuffer, formatOptions);
+2 −0
Original line number Diff line number Diff line
@@ -391,4 +391,6 @@ public abstract class DictDecoder {
            return readLength;
        }
    }

    public abstract void skipPtNode(final FormatOptions formatOptions);
}
+36 −0
Original line number Diff line number Diff line
@@ -231,4 +231,40 @@ public class Ver3DictDecoder extends DictDecoder {
    public boolean hasNextPtNodeArray() {
        return mDictBuffer.position() != FormatSpec.NO_FORWARD_LINK_ADDRESS;
    }

    @Override
    public void skipPtNode(final FormatOptions formatOptions) {
        final int flags = PtNodeReader.readPtNodeOptionFlags(mDictBuffer);
        PtNodeReader.readParentAddress(mDictBuffer, formatOptions);
        BinaryDictIOUtils.skipString(mDictBuffer,
                (flags & FormatSpec.FLAG_HAS_MULTIPLE_CHARS) != 0);
        PtNodeReader.readChildrenAddress(mDictBuffer, flags, formatOptions);
        if ((flags & FormatSpec.FLAG_IS_TERMINAL) != 0) PtNodeReader.readFrequency(mDictBuffer);
        if ((flags & FormatSpec.FLAG_HAS_SHORTCUT_TARGETS) != 0) {
            final int shortcutsSize = mDictBuffer.readUnsignedShort();
            mDictBuffer.position(mDictBuffer.position() + shortcutsSize
                    - FormatSpec.PTNODE_SHORTCUT_LIST_SIZE_SIZE);
        }
        if ((flags & FormatSpec.FLAG_HAS_BIGRAMS) != 0) {
            int bigramCount = 0;
            while (bigramCount++ < FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
                final int bigramFlags = mDictBuffer.readUnsignedByte();
                switch (bigramFlags & FormatSpec.MASK_BIGRAM_ATTR_ADDRESS_TYPE) {
                    case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_ONEBYTE:
                        mDictBuffer.readUnsignedByte();
                        break;
                    case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_TWOBYTES:
                        mDictBuffer.readUnsignedShort();
                        break;
                    case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_THREEBYTES:
                        mDictBuffer.readUnsignedInt24();
                        break;
                }
                if ((bigramFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_HAS_NEXT) == 0) break;
            }
            if (bigramCount >= FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
                throw new RuntimeException("Too many bigrams in a PtNode.");
            }
        }
    }
}
+10 −0
Original line number Diff line number Diff line
@@ -293,4 +293,14 @@ public class Ver4DictDecoder extends DictDecoder {
    public boolean hasNextPtNodeArray() {
        return mDictBuffer.position() != FormatSpec.NO_FORWARD_LINK_ADDRESS;
    }

    @Override
    public void skipPtNode(final FormatOptions formatOptions) {
        final int flags = PtNodeReader.readPtNodeOptionFlags(mDictBuffer);
        PtNodeReader.readParentAddress(mDictBuffer, formatOptions);
        BinaryDictIOUtils.skipString(mDictBuffer,
                (flags & FormatSpec.FLAG_HAS_MULTIPLE_CHARS) != 0);
        if ((flags & FormatSpec.FLAG_IS_TERMINAL) != 0) PtNodeReader.readTerminalId(mDictBuffer);
        PtNodeReader.readChildrenAddress(mDictBuffer, flags, formatOptions);
    }
}