added stuff

1 files changed, 112 insertions, 0 deletions

diff --git a/roombacomm-client/src/com/hackingroomba/roombacomm/RTTTLParser.java b/roombacomm-client/src/com/hackingroomba/roombacomm/RTTTLParser.java
new file mode 100644
index 0000000..9759b93
--- /dev/null
+++ b/roombacomm-client/src/com/hackingroomba/roombacomm/RTTTLParser.java
@@ -0,0 +1,112 @@
+
+
+
+package com.hackingroomba.roombacomm;
+
+import java.util.*;
+import java.util.regex.*;
+
+/**
+ *
+ */
+public class RTTTLParser {
+
+    public static HashMap noteToNum;
+    static {
+        noteToNum = new HashMap();
+        noteToNum.put("c",  new Integer(0) );
+        noteToNum.put("c#", new Integer(1) );
+        noteToNum.put("d",  new Integer(2) );
+        noteToNum.put("d#", new Integer(3) );
+        noteToNum.put("e",  new Integer(4) );
+        noteToNum.put("f",  new Integer(5) );
+        noteToNum.put("f#", new Integer(6) );
+        noteToNum.put("g",  new Integer(7) );
+        noteToNum.put("g#", new Integer(8) );
+        noteToNum.put("a",  new Integer(9) );
+        noteToNum.put("a#", new Integer(10) );
+        noteToNum.put("b",  new Integer(11) );
+        noteToNum.put("h",  new Integer(7) );
+    }
+
+    public static void main(String[] args) {
+        if( args.length == 0 ) {
+            System.out.println( "usage: roombacomm.RTTTLParser <rttlstring>");
+            System.exit(0);
+        }
+        String rtttl = args[0];
+        ArrayList notelist = parse( rtttl );
+        for( int i=0; i< notelist.size(); i++ ) {
+            System.out.println("notelist["+i+"]="+notelist.get(i));
+        }
+    }
+
+    public static ArrayList parse(String rtttl) {
+        System.out.println("parsing: "+rtttl);
+        String rtttl_working = rtttl.toLowerCase();
+        String parts[]    = rtttl_working.split(":");
+        String name       = parts[0];
+        String defaults[] = parts[1].split("[,=]");
+        String notes[]    = parts[2].split(",");
+        
+        // global defaults
+        int bpm      = 63;
+        int octave   = 6;
+        int duration = 4;
+
+        ArrayList notelist = new ArrayList();
+
+        for( int i=0; i < defaults.length; i++ ) {
+            //System.out.println("defaults["+i+"]="+defaults[i]);
+            if( defaults[i].equals("b") )
+                try { bpm = Integer.parseInt(defaults[i+1]); }
+                catch(Exception e) {}
+            else if( defaults[i].equals("o") )
+                try { octave = Integer.parseInt(defaults[i+1]); }
+                catch(Exception e) {}
+            else if( defaults[i].equals("d") )
+                try { duration = Integer.parseInt(defaults[i+1]); }
+                catch(Exception e) {}            
+        }
+        System.out.println("bpm:"+bpm+",octave:"+octave+",duration:"+duration);
+
+        for( int i=0; i < notes.length; i++ ) {
+            Matcher m =Pattern.compile("(\\d+)*(.+?)(\\d)*(\\.)*").matcher(notes[i]);
+            m.find();
+            // group(1) == duration (optional)
+            // group(2) == note (required)
+            // group(3) == scale (optional)
+            // group(4) == triplet (optional)
+            int dur = duration;
+            int oct = octave;
+            if( m.group(1) != null ) 
+                try {  dur = Integer.parseInt( m.group(1) ); }
+                catch(Exception e) {}
+            if( m.group(4) != null && m.group(4).equals(".") ) 
+                dur += dur/2;
+            if( m.group(3) != null )
+                try {  oct = Integer.parseInt( m.group(3) ); }
+                catch(Exception e) {}
+            if( m.group(2) != null ) {
+                int notenum;
+                if( m.group(2).equals("p") ) {
+                    notenum = 0;
+                }
+                else {
+                    Integer nn = (Integer) noteToNum.get( m.group(2) );
+                    notenum = nn.intValue();
+                    notenum = notenum + 12*oct;
+                }
+                dur = bpmToMillis(bpm) / dur;
+                notelist.add( new Note( notenum, dur ) );
+            }
+        }
+        return notelist;
+    }
+    
+    public static int bpmToMillis( int bpm ) {
+        return (60 * 1000 ) / bpm;
+    }
+}
+
+