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Make writeCharGroup return a size of a new group. 

bug: 6669677

Change-Id: I56f6a07b04b08443f2c052927404318c2018fc9d
main
Yuichiro Hanada 2012-10-01 17:29:30 +09:00
parent 00e1d421c2
commit 7f438aa12f
1 changed files with 43 additions and 9 deletions
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52
java/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtils.java
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@ -255,23 +255,34 @@ public final class BinaryDictIOUtils {
buffer.put((byte)newFlags);
}
private static void writeSInt24ToBuffer(final FusionDictionaryBufferInterface buffer,
/**
* @return the size written, in bytes. Always 3 bytes.
*/
private static int writeSInt24ToBuffer(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));
return 3;
}
private static void writeSInt24ToStream(final OutputStream destination, final int value)
/**
* @return the size written, in bytes. Always 3 bytes.
*/
private static int writeSInt24ToStream(final OutputStream destination, final int value)
throws IOException {
final int absValue = Math.abs(value);
destination.write((byte)(((value < 0 ? 0x80 : 0) | (absValue >> 16)) & 0xFF));
destination.write((byte)((absValue >> 8) & 0xFF));
destination.write((byte)(absValue & 0xFF));
return 3;
}
private static void writeVariableAddress(final OutputStream destination, final int value)
/**
* @return the size written, in bytes. 1, 2, or 3 bytes.
*/
private static int writeVariableAddress(final OutputStream destination, final int value)
throws IOException {
switch (BinaryDictInputOutput.getByteSize(value)) {
case 1:
@ -287,6 +298,7 @@ public final class BinaryDictIOUtils {
destination.write((byte)(0xFF & value));
break;
}
return BinaryDictInputOutput.getByteSize(value);
}
/**
@ -323,20 +335,33 @@ public final class BinaryDictIOUtils {
}
}
private static void writeString(final OutputStream destination, final String word)
/**
* Write a string to a stream.
*
* @param destination the stream to write.
* @param word the string to be written.
* @return the size written, in bytes.
* @throws IOException
*/
private static int writeString(final OutputStream destination, final String word)
throws IOException {
int size = 0;
final int length = word.length();
for (int i = 0; i < length; i = word.offsetByCodePoints(i, 1)) {
final int codePoint = word.codePointAt(i);
if (CharEncoding.getCharSize(codePoint) == 1) {
destination.write((byte)codePoint);
size++;
} else {
destination.write((byte)(0xFF & (codePoint >> 16)));
destination.write((byte)(0xFF & (codePoint >> 8)));
destination.write((byte)(0xFF & codePoint));
size += 3;
}
}
destination.write((byte)FormatSpec.GROUP_CHARACTERS_TERMINATOR);
size++;
return size;
}
/**
@ -369,27 +394,32 @@ public final class BinaryDictIOUtils {
*
* @param destination the stream to write.
* @param info the char group info to be written.
* @return the size written, in bytes.
*/
public static void writeCharGroup(final OutputStream destination, final CharGroupInfo info)
public static int writeCharGroup(final OutputStream destination, final CharGroupInfo info)
throws IOException {
int size = 1;
destination.write((byte)info.mFlags);
final int parentOffset = info.mParentAddress == FormatSpec.NO_PARENT_ADDRESS ?
FormatSpec.NO_PARENT_ADDRESS : info.mParentAddress - info.mOriginalAddress;
writeSInt24ToStream(destination, parentOffset);
size += writeSInt24ToStream(destination, parentOffset);
for (int i = 0; i < info.mCharacters.length; ++i) {
if (CharEncoding.getCharSize(info.mCharacters[i]) == 1) {
destination.write((byte)info.mCharacters[i]);
size++;
} else {
writeSInt24ToStream(destination, info.mCharacters[i]);
size += writeSInt24ToStream(destination, info.mCharacters[i]);
}
}
if (info.mCharacters.length > 1) {
destination.write((byte)FormatSpec.GROUP_CHARACTERS_TERMINATOR);
size++;
}
if ((info.mFlags & FormatSpec.FLAG_IS_TERMINAL) != 0) {
destination.write((byte)info.mFrequency);
size++;
}
final int childrenOffset = info.mChildrenAddress == FormatSpec.NO_CHILDREN_ADDRESS ?
@ -401,12 +431,14 @@ public final class BinaryDictIOUtils {
BinaryDictInputOutput.getShortcutListSize(info.mShortcutTargets);
destination.write((byte)(shortcutListSize >> 8));
destination.write((byte)(shortcutListSize & 0xFF));
size += 2;
final Iterator<WeightedString> shortcutIterator = info.mShortcutTargets.iterator();
while (shortcutIterator.hasNext()) {
final WeightedString target = shortcutIterator.next();
destination.write((byte)BinaryDictInputOutput.makeShortcutFlags(
shortcutIterator.hasNext(), target.mFrequency));
writeString(destination, target.mWord);
size++;
size += writeString(destination, target.mWord);
}
}
@ -432,8 +464,10 @@ public final class BinaryDictIOUtils {
}
bigramFlags |= bigramFrequency & FormatSpec.FLAG_ATTRIBUTE_FREQUENCY;
destination.write((byte)bigramFlags);
writeVariableAddress(destination, Math.abs(bigramOffset));
size++;
size += writeVariableAddress(destination, Math.abs(bigramOffset));
}
}
return size;
}
}