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MemoryDataStore: Support InputStream mark/reset

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Lanchon 2017-09-24 22:01:34 -03:00 committed by Ben Gruver
parent b9a725e726
commit c41c24a0c2
1 changed files with 13 additions and 0 deletions
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13
dexlib2/src/main/java/org/jf/dexlib2/writer/io/MemoryDataStore.java
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@ -70,6 +70,7 @@ public class MemoryDataStore implements DexDataStore {
@Nonnull @Override public InputStream readAt(final int offset) { @Nonnull @Override public InputStream readAt(final int offset) {
return new InputStream() { return new InputStream() {
private int position = offset; private int position = offset;
private int mark = offset;
@Override public int read() throws IOException { @Override public int read() throws IOException {
if (position >= size) { if (position >= size) {
@ -113,6 +114,18 @@ public class MemoryDataStore implements DexDataStore {
@Override public int available() throws IOException { @Override public int available() throws IOException {
return Math.max(0, size - position); return Math.max(0, size - position);
} }
@Override public void mark(int i) {
mark = position;
}
@Override public void reset() throws IOException {
position = mark;
}
@Override public boolean markSupported() {
return true;
}
}; };
} }