From 9f2158f094c8ab1c8911398d07bcdc68f00eebbf Mon Sep 17 00:00:00 2001
From: Andy2 <andy2@trand>
Date: Tue, 1 Nov 2011 18:43:36 -0700
Subject: [PATCH] add dict_getStartsWith to jni

---
 xwords4/android/XWords4/jni/xwjni.c           | 22 +++++++++++++++++++
 .../org/eehouse/android/xw4/jni/XwJNI.java    |  2 ++
 2 files changed, 24 insertions(+)

diff --git a/xwords4/android/XWords4/jni/xwjni.c b/xwords4/android/XWords4/jni/xwjni.c
index ccc1097f2..df71a3ace 100644
--- a/xwords4/android/XWords4/jni/xwjni.c
+++ b/xwords4/android/XWords4/jni/xwjni.c
@@ -1455,4 +1455,26 @@ Java_org_eehouse_android_xw4_jni_XwJNI_dict_1iter_1nthWord
     }
     return result;
 }
+
+JNIEXPORT jint JNICALL
+Java_org_eehouse_android_xw4_jni_XwJNI_dict_1iter_1getStartsWith
+( JNIEnv* env, jclass C, jint closure, jstring jprefix )
+{
+    jint result = -1;
+    DictIterData* data = (DictIterData*)closure;
+    if ( NULL != data ) {
+        Tile tiles[MAX_COLS];
+        XP_U16 nTiles = VSIZE(tiles);
+        const char* prefix = (*env)->GetStringUTFChars( env, jprefix, NULL );
+        if ( dict_tilesForString( data->dict, prefix, tiles, &nTiles ) ) {
+            IndexData* idata = NULL;
+            DictPosition pos = dict_getStartsWith( data->dict, idata, tiles, 
+                                                   nTiles );
+            result = pos;
+        }
+        (*env)->ReleaseStringUTFChars( env, jprefix, prefix );
+    }
+    return result;
+}
+
 #endif  /* XWFEATURE_BOARDWORDS */
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/XwJNI.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/XwJNI.java
index 613300669..ad3299826 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/XwJNI.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/XwJNI.java
@@ -244,4 +244,6 @@ public class XwJNI {
     public static native void dict_iter_makeIndex( int closure );
     public static native String[] dict_iter_getPrefixes( int closure );
     public static native int[] dict_iter_getIndices( int closure );
+    public static native int dict_iter_getStartsWith( int closure, 
+                                                      String prefix );
 }