1 files changed, 159 insertions, 0 deletions

diff --git a/static/development-bundle/external/jsdiff/jsdiff.js b/static/development-bundle/external/jsdiff/jsdiff.js
new file mode 100644
index 0000000..31c3a27
--- /dev/null
+++ b/static/development-bundle/external/jsdiff/jsdiff.js
@@ -0,0 +1,159 @@
+/*
+ * Javascript Diff Algorithm
+ *  By John Resig (http://ejohn.org/)
+ *  Modified by Chu Alan "sprite"
+ *
+ * More Info:
+ *  http://ejohn.org/projects/javascript-diff-algorithm/
+ */
+
+function escape(s) {
+    var n = s;
+    n = n.replace(/&/g, "&");
+    n = n.replace(/</g, "&lt;");
+    n = n.replace(/>/g, "&gt;");
+    n = n.replace(/"/g, "&quot;");
+
+    return n;
+}
+
+function diffString( o, n ) {
+  o = o.replace(/\s+$/, '');
+  n = n.replace(/\s+$/, '');
+
+  var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/) );
+  var str = "";
+
+  var oSpace = o.match(/\s+/g);
+  if (oSpace == null) {
+    oSpace = ["\n"];
+  } else {
+    oSpace.push("\n");
+  }
+  var nSpace = n.match(/\s+/g);
+  if (nSpace == null) {
+    nSpace = ["\n"];
+  } else {
+    nSpace.push("\n");
+  }
+
+  if (out.n.length == 0) {
+      for (var i = 0; i < out.o.length; i++) {
+        str += '<del>' + escape(out.o[i]) + oSpace[i] + "</del>";
+      }
+  } else {
+    if (out.n[0].text == null) {
+      for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
+        str += '<del>' + escape(out.o[n]) + oSpace[n] + "</del>";
+      }
+    }
+
+    for ( var i = 0; i < out.n.length; i++ ) {
+      if (out.n[i].text == null) {
+        str += '<ins>' + escape(out.n[i]) + nSpace[i] + "</ins>";
+      } else {
+        var pre = "";
+
+        for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++ ) {
+          pre += '<del>' + escape(out.o[n]) + oSpace[n] + "</del>";
+        }
+        str += " " + out.n[i].text + nSpace[i] + pre;
+      }
+    }
+  }
+  
+  return str;
+}
+
+function randomColor() {
+    return "rgb(" + (Math.random() * 100) + "%, " + 
+                    (Math.random() * 100) + "%, " + 
+                    (Math.random() * 100) + "%)";
+}
+function diffString2( o, n ) {
+  o = o.replace(/\s+$/, '');
+  n = n.replace(/\s+$/, '');
+
+  var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/) );
+
+  var oSpace = o.match(/\s+/g);
+  if (oSpace == null) {
+    oSpace = ["\n"];
+  } else {
+    oSpace.push("\n");
+  }
+  var nSpace = n.match(/\s+/g);
+  if (nSpace == null) {
+    nSpace = ["\n"];
+  } else {
+    nSpace.push("\n");
+  }
+
+  var os = "";
+  var colors = new Array();
+  for (var i = 0; i < out.o.length; i++) {
+      colors[i] = randomColor();
+
+      if (out.o[i].text != null) {
+          os += '<span style="background-color: ' +colors[i]+ '">' + 
+                escape(out.o[i].text) + oSpace[i] + "</span>";
+      } else {
+          os += "<del>" + escape(out.o[i]) + oSpace[i] + "</del>";
+      }
+  }
+
+  var ns = "";
+  for (var i = 0; i < out.n.length; i++) {
+      if (out.n[i].text != null) {
+          ns += '<span style="background-color: ' +colors[out.n[i].row]+ '">' + 
+                escape(out.n[i].text) + nSpace[i] + "</span>";
+      } else {
+          ns += "<ins>" + escape(out.n[i]) + nSpace[i] + "</ins>";
+      }
+  }
+
+  return { o : os , n : ns };
+}
+
+function diff( o, n ) {
+  var ns = new Object();
+  var os = new Object();
+  
+  for ( var i = 0; i < n.length; i++ ) {
+    if ( ns[ n[i] ] == null )
+      ns[ n[i] ] = { rows: new Array(), o: null };
+    ns[ n[i] ].rows.push( i );
+  }
+  
+  for ( var i = 0; i < o.length; i++ ) {
+    if ( os[ o[i] ] == null )
+      os[ o[i] ] = { rows: new Array(), n: null };
+    os[ o[i] ].rows.push( i );
+  }
+  
+  for ( var i in ns ) {
+    if ( ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1 ) {
+      n[ ns[i].rows[0] ] = { text: n[ ns[i].rows[0] ], row: os[i].rows[0] };
+      o[ os[i].rows[0] ] = { text: o[ os[i].rows[0] ], row: ns[i].rows[0] };
+    }
+  }
+  
+  for ( var i = 0; i < n.length - 1; i++ ) {
+    if ( n[i].text != null && n[i+1].text == null && n[i].row + 1 < o.length && o[ n[i].row + 1 ].text == null && 
+         n[i+1] == o[ n[i].row + 1 ] ) {
+      n[i+1] = { text: n[i+1], row: n[i].row + 1 };
+      o[n[i].row+1] = { text: o[n[i].row+1], row: i + 1 };
+    }
+  }
+  
+  for ( var i = n.length - 1; i > 0; i-- ) {
+    if ( n[i].text != null && n[i-1].text == null && n[i].row > 0 && o[ n[i].row - 1 ].text == null && 
+         n[i-1] == o[ n[i].row - 1 ] ) {
+      n[i-1] = { text: n[i-1], row: n[i].row - 1 };
+      o[n[i].row-1] = { text: o[n[i].row-1], row: i - 1 };
+    }
+  }
+  
+  return { o: o, n: n };
+}
+