Fix relatwed to issue number #54 - % in text

src/diagrams/flowchart/flowRenderer.js

@@ -188,7 +188,11 @@ exports.getClasses = function (text, isDot) {
     parser.yy = graph;
 
     // Parse the graph definition
-    parser.parse(text);
+    try{
+        parser.parse(text);
+    }
+    catch(err){
+    }
 
     var classDefStylesObj = {};
     var classDefStyleStr = '';
@@ -222,7 +226,13 @@ exports.draw = function (text, id,isDot) {
     parser.yy = graph;
 
     // Parse the graph definition
-    parser.parse(text);
+    try{
+
+        parser.parse(text);
+    }
+    catch(err){
+
+    }
 
     // Fetch the default direction, use TD if none was found
     var dir;
@@ -417,4 +427,5 @@ exports.draw = function (text, id,isDot) {
             i = i + 1;
         });
     },200);
-};
+};
+

src/diagrams/flowchart/graphDb.js

@@ -235,3 +235,7 @@ exports.addSubGraph = function (list, title) {
 exports.getSubGraphs = function (list) {
     return subGraphs;
 };
+
+exports.parseError = function(err,hash){
+    mermaid.parseError(err,hash);
+};

src/diagrams/flowchart/parser/flow.jison

@@ -389,7 +389,7 @@ styleComponent: ALPHA | COLON | MINUS | NUM | UNIT | SPACE | HEX | BRKT | DOT |
 
 commentToken   : textToken | graphCodeTokens ;
 
-textToken      : textNoTagsToken | TAGSTART | TAGEND | '=='  | '--' ;
+textToken      : textNoTagsToken | TAGSTART | TAGEND | '=='  | '--' | PCT ;
 
 textNoTagsToken: alphaNumToken | SPACE | MINUS | keywords ;