Add shortcut only to xml output.

Change-Id: I23b53826ce30b0ac81962d2f916514cb60bea6ff

tools/makedict/src/com/android/inputmethod/latin/FusionDictionary.java

@@ -619,7 +619,8 @@ public class FusionDictionary implements Iterable<Word> {
                     }
                     if (currentGroup.mFrequency >= 0)
                         return new Word(mCurrentString.toString(), currentGroup.mFrequency,
-                                currentGroup.mShortcutTargets, currentGroup.mBigrams);
+                                currentGroup.mShortcutTargets, currentGroup.mBigrams,
+                                currentGroup.mIsShortcutOnly);
                 } else {
                     mPositions.removeLast();
                     currentPos = mPositions.getLast();

tools/makedict/src/com/android/inputmethod/latin/Word.java

@@ -28,16 +28,18 @@ import java.util.ArrayList;
 public class Word implements Comparable<Word> {
     final String mWord;
     final int mFrequency;
+    final boolean mIsShortcutOnly;
     final ArrayList<WeightedString> mShortcutTargets;
     final ArrayList<WeightedString> mBigrams;
 
     public Word(final String word, final int frequency,
             final ArrayList<WeightedString> shortcutTargets,
-            final ArrayList<WeightedString> bigrams) {
+            final ArrayList<WeightedString> bigrams, final boolean isShortcutOnly) {
         mWord = word;
         mFrequency = frequency;
         mShortcutTargets = shortcutTargets;
         mBigrams = bigrams;
+        mIsShortcutOnly = isShortcutOnly;
     }
 
     /**

tools/makedict/src/com/android/inputmethod/latin/XmlDictInputOutput.java

@@ -45,6 +45,7 @@ public class XmlDictInputOutput {
     private static final String SHORTCUT_TAG = "shortcut";
     private static final String FREQUENCY_ATTR = "f";
     private static final String WORD_ATTR = "word";
+    private static final String SHORTCUT_ONLY_ATTR = "shortcutOnly";
 
     /**
      * SAX handler for a unigram XML file.
@@ -264,9 +265,11 @@ public class XmlDictInputOutput {
         }
         // TODO: use an XMLSerializer if this gets big
         destination.write("<wordlist format=\"2\">\n");
+        destination.write("<!-- Warning: there is no code to read this format yet. -->\n");
         for (Word word : set) {
             destination.write("  <" + WORD_TAG + " " + WORD_ATTR + "=\"" + word.mWord + "\" "
-                    + FREQUENCY_ATTR + "=\"" + word.mFrequency + "\">");
+                    + FREQUENCY_ATTR + "=\"" + word.mFrequency + "\" " + SHORTCUT_ONLY_ATTR
+                    + "=\"" + word.mIsShortcutOnly + "\">");
             if (null != word.mShortcutTargets) {
                 destination.write("\n");
                 for (WeightedString target : word.mShortcutTargets) {