working on semantic grammar integration

android/Pictogram/app/.gitignore

 /build
+/libs

android/Pictogram/app/src/fernandoFlavor/java/com/yottacode/pictogrammar/Translate.java

@@ -18,7 +18,7 @@ package com.yottacode.pictogrammar;
     import java.util.LinkedList;
     import java.util.Vector;
 
-    //import org.grammaticalframework.PGF;
+    import org.grammaticalframework.PGF;
     import org.json.JSONException;
     import org.json.JSONObject;
 
@@ -38,7 +38,7 @@ package com.yottacode.pictogrammar;
 public class Translate extends Activity implements iVocabularyListener, iImgDownloaderListener
     {
         private ArrayAdapter mArrayAdapter;
-        //private PGF mPGF;
+        private PGF mPGF;
         private TTSHelper tts;
         LinkedList<Picto> pictos;
 
@@ -215,7 +215,7 @@ public class Translate extends Activity implements iVocabularyListener, iImgDown
         /**
          * This class is used to load the PGF file asychronously.
          * It display a blocking progress dialog while doing so.
-         *//*
+         */
         private class LoadPGFTask extends AsyncTask<Void, Void, PGF> {
 
             private ProgressDialog progress;
@@ -238,12 +238,12 @@ public class Translate extends Activity implements iVocabularyListener, iImgDown
             }
 
             protected void onPostExecute(PGF result) {
-                //mPGF = result;
+                mPGF = result;
                 if (this.progress != null)
                     this.progress.dismiss(); // Remove loading popup
             }
         }
-*/
+
         /**
          * This class is used to parse a sentence asychronously.
          * It display a blocking progress dialog while doing so.
@@ -262,13 +262,13 @@ public class Translate extends Activity implements iVocabularyListener, iImgDown
                 try {
                     // Creating a Parser object for the FoodEng concrete grammar
                     tts.speakText(s[0]);
-                 //   Parser mParser = new Parser(mPGF, "SUpO_ES");
+                    Parser mParser = new Parser(mPGF, "SUpO_ES");
                     // Spliting the input (basic tokenization)
-                  //  String[] tokens = s[0].split(" ");
-                    // parsing the tokens
-                 //   ParseState mParseState = mParser.parse(tokens);
-                    //Tree[] trees = (Tree[])mParseState.getTrees();
-                  //  tokens=mParseState.predict();
+                    String[] tokens = s[0].split(" ");
+                    //parsing the tokens
+                    ParseState mParseState = mParser.parse(tokens);
+                    Tree[] trees = (Tree[])mParseState.getTrees();
+                    tokens=mParseState.predict();
                   /*  String[] translations = new String[trees.length];
                     // Creating a Linearizer object for the FoodCat concrete grammar
                     Linearizer mLinearizer = new Linearizer(mPGF, "SUpO_EN");

android/Pictogram/app/src/main/java/com/yottacode/pictogram/grammar/SemanticGrammar.java

+package com.yottacode.pictogram.grammar;
+
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.ProgressDialog;
+import android.content.DialogInterface;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.Toast;
+
+import com.yottacode.pictogram.R;
+
+import org.grammaticalframework.PGF;
+import org.grammaticalframework.Linearizer;
+import org.grammaticalframework.PGFBuilder;
+import org.grammaticalframework.Parser;
+import org.grammaticalframework.UnknownLanguageException;
+import org.grammaticalframework.parser.ParseState;
+import org.grammaticalframework.Trees.Absyn.Tree;
+
+import java.io.InputStream;
+
+public class SemanticGrammar
+{
+        protected Activity activity;
+        private PGF mPGF;
+        Parser mParser;
+        Linearizer mLinearizer;
+        // String constant for logs
+        private final String LOG_TAG = this.getClass().getSimpleName(); // Or .getCanonicalName()
+
+        public void SemanticGrammar(Activity activity)   {
+            this.activity=activity;
+            new LoadPGFTask().execute();
+        }
+
+        /**
+         * This class is used to load the PGF file asychronously.
+         * It display a blocking progress dialog while doing so.
+         */
+        private class LoadPGFTask extends AsyncTask<Void, Void, PGF> {
+
+            private ProgressDialog progress;
+
+            protected void onPreExecute() {
+                // Display loading popup
+                this.progress =
+                        ProgressDialog.show(activity, activity.getResources().getString(R.string.app_name)
+                                ,activity.getResources().getString(R.string.loadingGrammar),true);
+            }
+
+            protected PGF doInBackground(Void... a) {
+                int pgf_res = R.raw.supo;
+                InputStream is = activity.getResources().openRawResource(pgf_res);
+                try {
+                    PGF pgf = PGFBuilder.fromInputStream(is, new String[] {activity.getString(R.string.pictogrammar),activity.getString(R.string.naturalgrammar)});
+                    return pgf;
+                } catch (Exception e) {
+                    throw new RuntimeException(e);
+                }
+            }
+
+            protected void onPostExecute(PGF result) {
+                mPGF = result;
+                if (this.progress != null) {
+                    this.progress.dismiss(); // Remove loading popup
+                    try {
+                        mParser=new Parser(mPGF, activity.getString(R.string.pictogrammar));
+                        mLinearizer = new Linearizer(mPGF, activity.getString(R.string.naturalgrammar));
+                    } catch (Exception e) {
+                        Log.e(this.getClass().getSimpleName(), e.getMessage());
+                        Toast.makeText(activity.getApplicationContext(), activity.getResources().getString(R.string.nogrammar), Toast.LENGTH_SHORT).show();
+                    }
+            }
+        }
+
+
+
+            protected String[] translate(String[] tokens) {
+                try {
+
+                    //parsing the tokens
+                    ParseState mParseState = mParser.parse(tokens);
+                    Tree[] trees = (Tree[])mParseState.getTrees();
+                    String[] translations = new String[trees.length];
+
+                    // Linearizing all the trees
+                    for (int i = 0 ; i < trees.length ; i++) {
+                        try {
+                            String t = mLinearizer.linearizeString(trees[i]);
+                            translations[i] = t;
+                        } catch (java.lang.Exception e) {
+                            translations[i] = "/!\\ Linearization error";
+                        }
+                    }
+                    return translations;
+                } catch (Exception e) {
+                    throw new RuntimeException(e);
+                }
+            }
+
+            protected String[] predict(String[] tokens) {
+                try {
+                    //parsing the tokens
+                    ParseState mParseState = mParser.parse(tokens);
+                    return mParseState.predict();
+                } catch (Exception e) {
+                    throw new RuntimeException(e);
+                }
+            }
+        }
+    }
\ No newline at end of file

android/Pictogram/app/src/main/res/values-en/strings.xml

@@ -41,4 +41,9 @@
     <string name="exitingApp">Exiting the app</string>
     <string name="serverError">There is a server error. Try again later</string>
 
+    <!--Semantic grammar -->
+    <string name="loadingGrammar">Please wait, loading semmantic grammar</string>
+    <string name="naturalgrammar">SUpO_EN</string>
+    <string name="pictogrammar">SUpO_PICTOEN</string>
+    <string name="nogrammar">Warning: unknown language</string>
 </resources>

android/Pictogram/app/src/main/res/values-es/strings.xml

@@ -44,6 +44,13 @@
     <string name="exitingApp">Saliendo de la aplicación</string>
     <string name="serverError">Error en el servidor de datos. Inténtelo más tarde</string>
 
+    <!--Semantic grammar -->
+    <string name="loadingGrammar">Por favor espere, cargando gramática semántica</string>
+    <string name="naturalgrammar">SUpO_ES</string>
+    <string name="pictogrammar">SUpO_PICTOES</string>
+
+    <string name="nogrammar">Advertencia: Lenguaje no soportado</string>
+
     <item type="integer" name="maxInTape">8</item>
 
 </resources>

android/Pictogram/app/src/main/res/values/strings.xml

@@ -44,6 +44,10 @@
     <string name="exitingApp">Saliendo de la aplicación</string>
     <string name="serverError">Error en el servidor de datos. Inténtelo más tarde</string>
 
-    <item type="integer" name="maxInTape">8</item>
+    <!--Semantic grammar -->
+    <string name="loadingGrammar">Please wait, loading semmantic grammar</string>
+    <string name="grammar">SUpO_EN</string>
+    <string name="nogrammar">Warning: unknown language</string>
 
+    <item type="integer" name="maxInTape">8</item>
 </resources>
\ No newline at end of file