// This version is not reliant on sitting in a web site, so can be unit tested.
// generateClosure - if false, no function closure is generated around the generated JS code. Only set to false when unit testing.
// Doing this assumes that jsnlog.js has loaded before the code generated by the method is executed.
//
// You want to set this to false during unit testing, because then you need direct access outside the closure of variables
// that are private to the closure, specifically dummyappenders that store the log messages you receive, so you can unit test them.
public void ProcessRootExec(XmlElement xe, StringBuilder sb, Func <string, string> virtualToAbsoluteFunc, string userIp, string requestId, bool generateClosure)
{
string loggerProductionLibraryVirtualPath = XmlHelpers.OptionalAttribute(xe, "productionLibraryPath", "");
bool loggerEnabled = bool.Parse(XmlHelpers.OptionalAttribute(xe, "enabled", "true", Constants.RegexBool));
string loggerProductionLibraryPath = null;
if (!string.IsNullOrEmpty(loggerProductionLibraryVirtualPath))
{
// Every hard coded path must be resolved. See the declaration of DefaultDefaultAjaxUrl
loggerProductionLibraryPath = virtualToAbsoluteFunc(loggerProductionLibraryVirtualPath);
}
if (!loggerEnabled)
{
if (!string.IsNullOrWhiteSpace(loggerProductionLibraryPath))
{
JavaScriptHelpers.WriteScriptTag(loggerProductionLibraryPath, sb);
}
JavaScriptHelpers.WriteJavaScriptBeginTag(sb);
Utils.ProcessOptionAttributes(Constants.JsLogObjectName, xe, Constants.JSNLogAttributes, null, sb);
JavaScriptHelpers.WriteJavaScriptEndTag(sb);
return;
}
JavaScriptHelpers.WriteJavaScriptBeginTag(sb);
if (generateClosure)
{
JavaScriptHelpers.WriteLine(string.Format("var {0} = function ({1}) {{", Constants.GlobalMethodCalledAfterJsnlogJsLoaded, Constants.JsLogObjectName), sb);
}
// Generate setOptions for JSNLog object itself
AttributeValueCollection attributeValues = new AttributeValueCollection();
attributeValues[Constants.JsLogObjectClientIpOption] = new Value(userIp, new StringValue());
attributeValues[Constants.JsLogObjectRequestIdOption] = new Value(requestId, new StringValue());
// Set default value for defaultAjaxUrl attribute
attributeValues[Constants.JsLogObjectDefaultAjaxUrlOption] =
new Value(virtualToAbsoluteFunc(Constants.DefaultDefaultAjaxUrl), new StringValue());
Utils.ProcessOptionAttributes(Constants.JsLogObjectName, xe, Constants.JSNLogAttributes,
attributeValues, sb);
// Process all loggers and appenders
Dictionary <string, string> appenderNames = new Dictionary <string, string>();
Sequence sequence = new Sequence();
// -----------------
// First process all assembly tags
topLeveltagInfos =
new List <XmlHelpers.TagInfo>(
new[] {
new XmlHelpers.TagInfo(Constants.TagAssembly, ProcessAssembly, Constants.AssemblyAttributes, (int)Constants.OrderNbr.Assembly)
});
XmlHelpers.ProcessNodeList(
xe.ChildNodes,
topLeveltagInfos.Where(t => t.Tag == Constants.TagAssembly).ToList(),
null, appenderNames, sequence, sb,
string.Format("^{0}*", Constants.TagAssembly));
// -----------------
// The elements (if any) from external assemblies have now been loaded (with the assembly elements).
// Now add the elements from the executing assembly after the external ones.
// This way, logger elements are processed last - after any new appenders.
AddAssemblyTagInfos(Assembly.GetExecutingAssembly());
// Now process the external and internal elements, but not the assembly elements.
XmlHelpers.ProcessNodeList(
xe.ChildNodes,
topLeveltagInfos,
null, appenderNames, sequence, sb,
string.Format("^((?!{0}).)*$", Constants.TagAssembly));
// -------------
if (generateClosure)
{
// Generate code to execute the function, in case jsnlog.js has already been loaded.
// Wrap in try catch, so if jsnlog.js hasn't been loaded, the resulting exception will be swallowed.
JavaScriptHelpers.WriteLine(string.Format("}}; try {{ {0}({1}); }} catch(e) {{}};", Constants.GlobalMethodCalledAfterJsnlogJsLoaded, Constants.JsLogObjectName), sb);
}
JavaScriptHelpers.WriteJavaScriptEndTag(sb);
// Write the script tag that loads jsnlog.js after the code generated from the web.config.
// When using jsnlog.js as an AMD module or in a bundle, jsnlog.js will be loaded after that code as well,
// and creating a similar situation in the default out of the box loading option makes it more likely
// you pick up bugs during testing.
if (!string.IsNullOrWhiteSpace(loggerProductionLibraryPath))
{
JavaScriptHelpers.WriteScriptTag(loggerProductionLibraryPath, sb);
}
}
