Wednesday, 13 November 2013

Antaris RazorEngine and Mono-3.2.3

After some machinations, I managed to get Antaris RazorEngine working with Mono-3.2.3.

After making and installing mono from a tarball (http://download.mono-project.com/sources/mono/), I took the latest version of RazorEngine down from github (https://github.com/Antaris/RazorEngine), compiled using mono's xbuild tool, and then took the version of RazorEngine.dll and System.Web.Razor.dll from the RazorEngine.Core folder and used that within my applications. I removed all instances of System.Web.Helpers, System.Web.Mvc, System.Web.WebPages, WebMatrix, etc as those would have conflicted references.

And RazorEngine is now really horribly strict :( It throws compile exceptions on warnings which is wholly irritating. I'll have to revisit and police every single template and make sure they are compatible.

I also noticed that the new version of xsp4 required me to be in the root folder of the website even though I was setting the root on the command line.

Anyway, glad to see it working again, even if it will be a chore to get it fully compatible. I guess it is balanced out by now being on .Net 4.5 compatible mono.

Update: I've made an adjustment to the RazorEngine code which stops it treating warnings as errors during template compilation.

Modify RazorEngine.Core/Compilation/DirectCompilerServiceBase.cs, Compile method thusly:

            var @params = new CompilerParameters
            {
                GenerateInMemory = true,
                GenerateExecutable = false,
                IncludeDebugInformation = false,
                CompilerOptions = "/target:library /optimize",
                TreatWarningsAsErrors = false,
                WarningLevel = 0
            };

Although the default for TreatWarningsAsErrors is false in Mono, I think the default for WarningLevel is -1, which doesn't really mean anything. So this might actually be a Mono porting issue.

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