mirror of
https://gitlab.futo.org/keyboard/latinime.git
synced 2024-09-28 14:54:30 +01:00
* commit 'af3142bd65773d1a7b3e639bec1b490625eec5b1': Add updateParentAddress.
This commit is contained in:
commit
5a75ad66be
@ -246,4 +246,34 @@ public class BinaryDictIOUtils {
|
||||
buffer.position(wordPosition);
|
||||
buffer.put((byte)newFlags);
|
||||
}
|
||||
|
||||
private static void putSInt24(final FusionDictionaryBufferInterface buffer,
|
||||
final int value) {
|
||||
final int absValue = Math.abs(value);
|
||||
buffer.put((byte)(((value < 0 ? 0x80 : 0) | (absValue >> 16)) & 0xFF));
|
||||
buffer.put((byte)((absValue >> 8) & 0xFF));
|
||||
buffer.put((byte)(absValue & 0xFF));
|
||||
}
|
||||
|
||||
/**
|
||||
* Update a parent address in a CharGroup that is addressed by groupOriginAddress.
|
||||
*
|
||||
* @param buffer the buffer to write.
|
||||
* @param groupOriginAddress the address of the group.
|
||||
* @param newParentAddress the absolute address of the parent.
|
||||
* @param formatOptions file format options.
|
||||
*/
|
||||
public static void updateParentAddress(final FusionDictionaryBufferInterface buffer,
|
||||
final int groupOriginAddress, final int newParentAddress,
|
||||
final FormatOptions formatOptions) {
|
||||
final int originalPosition = buffer.position();
|
||||
buffer.position(groupOriginAddress);
|
||||
if (!formatOptions.mSupportsDynamicUpdate) {
|
||||
throw new RuntimeException("this file format does not support parent addresses");
|
||||
}
|
||||
final int flags = buffer.readUnsignedByte();
|
||||
final int parentOffset = newParentAddress - groupOriginAddress;
|
||||
putSInt24(buffer, parentOffset);
|
||||
buffer.position(originalPosition);
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user