Merged LesionTracker and OHIF Viewer, refactored out common components

Packages/viewerbase/lib/findIndexOfString.js

@@ -0,0 +1,39 @@
+function checkToken(token, data, dataOffset) {
+
+  if(dataOffset + token.length > data.length) {
+    //console.log('dataOffset >> ', dataOffset);
+    return false;
+  }
+
+  var endIndex = dataOffset;
+
+  for(var i = 0; i < token.length; i++) {
+    if(token[i] !== data[endIndex++]) {
+      if(endIndex > 520000) {
+        console.log('token=',uint8ArrayToString(token));
+        console.log('data=', uint8ArrayToString(data, dataOffset, endIndex-dataOffset));
+        console.log('miss at %d %s dataOffset=%d', i, String.fromCharCode(data[endIndex]), endIndex);
+        console.log('miss at %d %s dataOffset=%d', i, String.fromCharCode(token[endIndex]), endIndex);
+      }
+      return false;
+    }
+  }
+  return true;
+}
+
+findIndexOfString = function(data, str, offset) {
+
+  offset = offset || 0;
+
+  var token = stringToUint8Array(str);
+
+  for(var i=offset; i < data.length; i++) {
+    if(token[0] === data[i]) {
+      //console.log('match @', i);
+      if(checkToken(token, data, i)) {
+        return i;
+      }
+    }
+  }
+  return -1;
+}