Dump CASM -- in progress

jazz-soft · Jun 3, 2023 · 019bc77 · 019bc77
1 parent 69b2e1d
commit 019bc77
Show file tree

Hide file tree

Showing 3 changed files with 25 additions and 3 deletions.
diff --git a/README.md b/README.md
@@ -79,7 +79,8 @@ require(['JZZ', 'JZZ.midi.SMF', 'JZZ.midi.STY'], function(JZZ, dummy1, dummy2) {
 ```js
 var fs = require('fs');
 var data = fs.readFileSync('my-style.sty', 'binary');
-// data can be String, Buffer, ArrayBuffer, Uint8Array, Int8Array, or a JZZ.MIDI.SMF object
+// data can be String, Buffer, ArrayBuffer, Uint8Array, Int8Array,
+// or a JZZ.MIDI.SMF object
 var sty = new JZZ.MIDI.STY(data);
 ```
 
@@ -91,6 +92,7 @@ console.log('All style tracks:', sty.tracks());
 // '', 'SFF1', 'SFF2', 'OTSc1', 'OTSc2', 'OTSc3', 'OTSc4' (if present)
 var smf = sty.export('Intro A'); // see JZZ.MIDI.SMF
 fs.writeFileSync('intro-a.mid', smf.dump(), 'binary');
+fs.writeFileSync('otsc1.mid', sty.export('OTSc1').dump(), 'binary');
 ```
 
 ## Some useful Style links

diff --git a/javascript/JZZ.midi.STY.js b/javascript/JZZ.midi.STY.js
@@ -133,7 +133,7 @@
       }
       t = tt;
     }
-    //if (this.casm) smf.push(new JZZ.MIDI.SMF.Chunk('CASM', _dumpCASM(this.casm)));
+    if (this.casm) smf.push(new JZZ.MIDI.SMF.Chunk('CASM', _dumpCASM(this.casm)));
     if (this.otsc) smf.push(new JZZ.MIDI.SMF.Chunk('OTSc', _dumpOTSc(this.otsc)));
     if (this.fnrc) smf.push(new JZZ.MIDI.SMF.Chunk('FNRc', _dumpFNRc(this.fnrc)));
     if (this.mhhd) smf.push(new JZZ.MIDI.SMF.Chunk('MHhd', this.mhhd));
@@ -177,7 +177,15 @@
     return casm;
   }
   function _dumpCASM(casm) {
+    var i, j, s, x;
     var dump = '';
+    for (i = 0; i < casm.length; i++) {
+      x = casm[i];
+      s = _pack('Sdec', x.sdec);
+      if (x.ctab) for (j = 0; j < x.ctab.length; j++) s += _pack('Ctab', _dumpCtab(x.ctab[j]));
+      if (x.ctb2) for (j = 0; j < x.ctb2.length; j++) s += _pack('Ctb2', _dumpCtab(x.ctb2[j]));
+      dump += _pack('CSEG', s);
+    }
     return dump;
   }
   function _splitCSEG(s) {
@@ -221,6 +229,10 @@
     ctb.chord = [s.charCodeAt(18), s.charCodeAt(19)];
     return ctb;
   }
+  function _dumpCtb(ctb) {
+    var dump = '';
+    return dump;
+  }
   function _splitCtab(s) {
     var ctb = _splitCtb(s);
     ctb.ctab = true;
@@ -236,6 +248,10 @@
     }
     return ctb;
   }
+  function _dumpCtab(ctab) {
+    var dump = _dumpCtb(ctab);
+    return dump;
+  }
   function _splitCtb2(s) {
     var ctb = _splitCtb(s);
     ctb.ctb2 = true;
@@ -263,6 +279,10 @@
     for (var i = 40; i < s.length; i++) ctb.extra.push(s.charCodeAt(i));
     return ctb;
   }
+  function _dumpCtb2(ctb2) {
+    var dump = _dumpCtb(ctb2);
+    return dump;
+  }
   function _splitCntt(s) {
     var cntt = {};
     cntt.src = s.charCodeAt(0);

diff --git a/package.json b/package.json
@@ -19,7 +19,7 @@
     "jzz-midi-smf": "^1.7.6"
   },
   "devDependencies": {
-    "eslint": "^8.41.0",
+    "eslint": "^8.42.0",
     "grunt": "^1.6.1",
     "grunt-contrib-jshint": "^3.2.0",
     "grunt-contrib-uglify": "^5.2.2",