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Merge "Use TextDirectionHeuristics to detect text direction in Html"

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This commit is contained in:
Roozbeh Pournader
2016-12-15 22:00:35 +00:00
committed by Android (Google) Code Review
parent 2beaa2e45e aa0af8e862
commit ff53f923e9
1 changed files with 4 additions and 15 deletions
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19
core/java/android/text/Html.java
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@@ -40,8 +40,6 @@ import android.text.style.TypefaceSpan;
import android.text.style.URLSpan;
import android.text.style.UnderlineSpan;
import com.android.internal.util.ArrayUtils;
import org.ccil.cowan.tagsoup.HTMLSchema;
import org.ccil.cowan.tagsoup.Parser;
import org.xml.sax.Attributes;
@@ -342,19 +340,10 @@ public class Html {
}
private static String getTextDirection(Spanned text, int start, int end) {
final int len = end - start;
final byte[] levels = ArrayUtils.newUnpaddedByteArray(len);
final char[] buffer = TextUtils.obtain(len);
TextUtils.getChars(text, start, end, buffer, 0);
int paraDir = AndroidBidi.bidi(Layout.DIR_REQUEST_DEFAULT_LTR, buffer, levels, len,
false /* no info */);
switch(paraDir) {
case Layout.DIR_RIGHT_TO_LEFT:
return " dir=\"rtl\"";
case Layout.DIR_LEFT_TO_RIGHT:
default:
return " dir=\"ltr\"";
if (TextDirectionHeuristics.FIRSTSTRONG_LTR.isRtl(text, start, end - start)) {
return " dir=\"rtl\"";
} else {
return " dir=\"ltr\"";
}
}