remove multiple base_url computation

gadget_erp5_page_slap_load_schema.js

@@ -12,6 +12,16 @@
    }
   }
 
+  function getBaseUrl(schema_url) {
+    var base_url,
+      url_uri = URI(schema_url);
+
+    base_url = url_uri.path().split("/");
+    base_url.pop();
+    base_url = schema_url.split(url_uri.path())[0] + base_url.join("/");
+    return base_url;
+  }
+
   function getJSON(url) {
     var protocol = URI(url).protocol();
     if (protocol === "http" || protocol === "https") {
@@ -203,13 +213,7 @@
     .declareMethod("loadJSONSchema", function (url) {
       return getJSON(url)
         .push(function (json) {
-          var base_url, url_uri;
-
-          url_uri = URI(url);
-          base_url = url_uri.path().split("/");
-          base_url.pop();
-          base_url = url.split(url_uri.path())[0] + base_url.join("/");
-          
+          var base_url = getBaseUrl(url);
           return validateJSONSchema(json, base_url);
         });
     })
@@ -223,8 +227,7 @@
         .push(function (json_object) {
           var parameter_schema_url,
             st,
-            base_url,
-            url_uri = URI(schema_url);
+            base_url;
 
           for (st in json_object["software-type"]) {
             if (json_object["software-type"].hasOwnProperty(st)) {
@@ -235,9 +238,7 @@
           }
 
           if (URI(parameter_schema_url).protocol() === "") {
-            base_url = url_uri.path().split("/");
-            base_url.pop();
-            base_url = schema_url.split(url_uri.path())[0] + base_url.join("/");
+            base_url = getBaseUrl(schema_url);
             if (base_url !== undefined) {
               parameter_schema_url = base_url + "/" + parameter_schema_url;
             }
@@ -256,13 +257,7 @@
     .declareMethod("validateJSON", function (schema_url, generated_json) {
       return getJSON(schema_url)
         .push(function (schema) {
-          var base_url,
-            url_uri = URI(schema_url);
-
-          base_url = url_uri.path().split("/");
-          base_url.pop();
-          base_url = schema_url.split(url_uri.path())[0] + base_url.join("/");
-
+          var base_url = getBaseUrl(schema_url);
           return expandSchema(schema, schema, base_url)
             .push(function (loaded_schema) {
               return tv4.validateMultiple(generated_json, loaded_schema);