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Internal_Compile required or not?

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emt
Smarty Regular

Joined: 10 Dec 2009
Posts: 41

Posted: Wed May 02, 2012 12:04 pm Post subject: Internal_Compile required or not?

I need to implement functionality that COMPILES into the template, with tags like this:

Code:

{useraccess module="admin"}
This is Content user has access to!
{useraccesselse}
User sees this when he does NOT have access.
{/useraccess}

I have this working perfectly as I have created a class like this:

Code:

class Smarty_Internal_Compile_Useraccess extends Smarty_Internal_CompileBase { ... }

Reading the documentation I could not see how to create this with a compiler plugin as I needed the {useraccesselse} part.

So the problem is how I load the class when it's needed for the compilation of the template.

I do NOT want to store it in the sysplugins directory. First of all, it's messy when my code gets mixed in with an external library. Secondly, the Smarty directory is an external SVN in my repository so I cannot add the file into my own SVN.

My inefficient way of doing it is to use an autoloader which checkes whether the class 'Smarty_Internal_TemplateCompilerBase' is being loaded. If so, I load my class as well so it's available if the tag exists in the template. Very inefficient.

My questions are:

1) Am I implementing my functionality in the correct way by extending the Smarty_Internal_CompileBase?

2) If not, what is the recommended way of extending the compiler?

3) From your knowledge of Smarty internals, is there a better way to load my class for template compilation?

Thaks for any help.

rodneyrehm
Administrator

Joined: 30 Mar 2007
Posts: 698
Location: Germany, border to Switzerland

Posted: Wed May 02, 2012 12:19 pm Post subject: Re: Internal_Compile required or not?

emt wrote:

3) From your knowledge of Smarty internals, is there a better way to load my class for template compilation?

you can add several plugin directories with $smarty->addPluginsDir('/path/to/your/plugins'). This allows smarty to do auto-loading and enables you to separate your plugins from smarty's core-plugins. (This is the preferred way, anyaways…)
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emt
Smarty Regular

Joined: 10 Dec 2009
Posts: 41

Posted: Wed May 02, 2012 12:44 pm Post subject: Re: Internal_Compile required or not?

rodneyrehm wrote:

you can add several plugin directories with $smarty->addPluginsDir('/path/to/your/plugins').

Problem is, this only works for plugins during template execution. It does not work at compile time.

At least, when my class is stored in the plugins directory it doesn't get loaded at compile time.

U.Tews
Administrator

Joined: 22 Nov 2006
Posts: 4200
Location: Hamburg / Germany

Posted: Wed May 02, 2012 2:53 pm Post subject:

1. Remove the _Internal_ from your class name

Code:

class Smarty_Compile_Useraccess extends Smarty_Internal_CompileBase { ... }

2. Store it as file compiler.useraccess.php in your plugins folder.

emt
Smarty Regular

Joined: 10 Dec 2009
Posts: 41

Posted: Wed May 02, 2012 3:08 pm Post subject:

Tried that - the message I got was:

Code:

Fatal error: Uncaught exception 'SmartyException' with message 'Plugin "useraccess" not callable' in J:\wamp\www\internal\myframework\protected\class\smarty31\sysplugins\smarty_internal_templatecompilerbase.php on line 330

HOWEVER, I just tried to change my class name to use "compiler" instead of "compile", and it worked!

Code:

class Smarty_Compiler_Useraccess extends Smarty_Internal_CompileBase { ... }

So thanks for putting me on the right track, Uwe!

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